diff --git a/latest/404.html b/latest/404.html index 53250584..40abd7a8 100644 --- a/latest/404.html +++ b/latest/404.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../v1.16.0/404.html... + Redirecting to ../v1.16.1/404.html... \ No newline at end of file diff --git a/latest/addons/argo-events/index.html b/latest/addons/argo-events/index.html index 9266a2a6..1bc787bf 100644 --- a/latest/addons/argo-events/index.html +++ b/latest/addons/argo-events/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../../v1.16.0/addons/argo-events/... + Redirecting to ../../../v1.16.1/addons/argo-events/... \ No newline at end of file diff --git a/latest/addons/argo-rollouts/index.html b/latest/addons/argo-rollouts/index.html index de65f84b..78f86054 100644 --- a/latest/addons/argo-rollouts/index.html +++ b/latest/addons/argo-rollouts/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../../v1.16.0/addons/argo-rollouts/... + Redirecting to ../../../v1.16.1/addons/argo-rollouts/... \ No newline at end of file diff --git a/latest/addons/argo-workflows/index.html b/latest/addons/argo-workflows/index.html index 051164e1..05e4e3ac 100644 --- a/latest/addons/argo-workflows/index.html +++ b/latest/addons/argo-workflows/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../../v1.16.0/addons/argo-workflows/... + Redirecting to ../../../v1.16.1/addons/argo-workflows/... \ No newline at end of file diff --git a/latest/addons/argocd/index.html b/latest/addons/argocd/index.html index bc5d9ab9..d4194aa9 100644 --- a/latest/addons/argocd/index.html +++ b/latest/addons/argocd/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../../v1.16.0/addons/argocd/... + Redirecting to ../../../v1.16.1/addons/argocd/... \ No newline at end of file diff --git a/latest/addons/aws-cloudwatch-metrics/index.html b/latest/addons/aws-cloudwatch-metrics/index.html index 8a6938ff..25d2815b 100644 --- a/latest/addons/aws-cloudwatch-metrics/index.html +++ b/latest/addons/aws-cloudwatch-metrics/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../../v1.16.0/addons/aws-cloudwatch-metrics/... + Redirecting to ../../../v1.16.1/addons/aws-cloudwatch-metrics/... \ No newline at end of file diff --git a/latest/addons/aws-efs-csi-driver/index.html b/latest/addons/aws-efs-csi-driver/index.html index f8f844b8..04a38142 100644 --- a/latest/addons/aws-efs-csi-driver/index.html +++ b/latest/addons/aws-efs-csi-driver/index.html @@ -4,13 +4,13 @@ Redirecting - 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Redirecting to ../../v1.16.0/aws-partner-addons/... + Redirecting to ../../v1.16.1/aws-partner-addons/... \ No newline at end of file diff --git a/latest/helm-release/index.html b/latest/helm-release/index.html index 923495a9..6c50ad0b 100644 --- a/latest/helm-release/index.html +++ b/latest/helm-release/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../../v1.16.0/helm-release/... + Redirecting to ../../v1.16.1/helm-release/... \ No newline at end of file diff --git a/latest/index.html b/latest/index.html index 1fbbfacf..01ce0821 100644 --- a/latest/index.html +++ b/latest/index.html @@ -4,13 +4,13 @@ Redirecting - Redirecting to ../v1.16.0/... + Redirecting to ../v1.16.1/... \ No newline at end of file diff --git a/v1.16.1/404.html b/v1.16.1/404.html new file mode 100644 index 00000000..a67e9232 --- /dev/null +++ b/v1.16.1/404.html @@ -0,0 +1,1006 @@ + + + + + + + + + + + + + + + + + + + + + Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Argo Events

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Argo Events is an open source container-native event-driven workflow automation framework for Kubernetes which helps you trigger K8s objects, Argo Workflows, Serverless workloads, etc. on events from a variety of sources. Argo Events is implemented as a Kubernetes CRD (Custom Resource Definition).

+

Usage

+

Argo Events can be deployed by enabling the add-on via the following.

+
enable_argo_events = true
+
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You can optionally customize the Helm chart that deploys Argo Events via the following configuration.

+
  enable_argo_events = true
+
+  argo_events = {
+    name          = "argo-events"
+    chart_version = "2.4.0"
+    repository    = "https://argoproj.github.io/argo-helm"
+    namespace     = "argo-events"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify argo-events pods are running.

+
$ kubectl get pods -n argo-events
+NAME                                                  READY   STATUS    RESTARTS   AGE
+argo-events-controller-manager-bfb894cdb-k8hzn        1/1     Running   0          11m
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Argo Rollouts

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Argo Rollouts is a Kubernetes controller and set of CRDs which provide advanced deployment capabilities such as blue-green, canary, canary analysis, experimentation, and progressive delivery features to Kubernetes.

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Usage

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Argo Rollouts can be deployed by enabling the add-on via the following.

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enable_argo_rollouts = true
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You can optionally customize the Helm chart that deploys Argo Rollouts via the following configuration.

+
  enable_argo_rollouts = true
+
+  argo_rollouts = {
+    name          = "argo-rollouts"
+    chart_version = "2.22.3"
+    repository    = "https://argoproj.github.io/argo-helm"
+    namespace     = "argo-rollouts"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify argo-rollouts pods are running.

+
$ kubectl get pods -n argo-rollouts
+NAME                             READY   STATUS    RESTARTS   AGE
+argo-rollouts-5db5688849-x89zb   0/1     Running   0          11s
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Argo Workflows

+

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Argo Workflows is implemented as a Kubernetes CRD (Custom Resource Definition).

+

Usage

+

Argo Workflows can be deployed by enabling the add-on via the following.

+
enable_argo_workflows = true
+
+

You can optionally customize the Helm chart that deploys Argo Workflows via the following configuration.

+
  enable_argo_workflows = true
+
+  argo_workflows = {
+    name          = "argo-workflows"
+    chart_version = "0.28.2"
+    repository    = "https://argoproj.github.io/argo-helm"
+    namespace     = "argo-workflows"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify argo-workflows pods are running.

+
$ kubectl get pods -n argo-workflows
+NAME                                                  READY   STATUS    RESTARTS   AGE
+argo-workflows-server-68988cd864-22zhr                1/1     Running   0          6m32s
+argo-workflows-workflow-controller-7ff7b5658d-9q44f   1/1     Running   0          6m32s
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Argo CD

+

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes.

+

Usage

+

Argo CD can be deployed by enabling the add-on via the following.

+
enable_argocd = true
+
+

You can optionally customize the Helm chart that deploys Argo CD via the following configuration.

+
  enable_argocd = true
+
+  argocd = {
+    name          = "argocd"
+    chart_version = "5.29.1"
+    repository    = "https://argoproj.github.io/argo-helm"
+    namespace     = "argocd"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify argocd pods are running.

+
$ kubectl get pods -n argocd
+NAME                                                        READY   STATUS    RESTARTS   AGE
+argo-cd-argocd-application-controller-0                     1/1     Running   0          146m
+argo-cd-argocd-applicationset-controller-678d85f77b-rmpcb   1/1     Running   0          146m
+argo-cd-argocd-dex-server-7b6c9b5969-zpqnl                  1/1     Running   0          146m
+argo-cd-argocd-notifications-controller-6d489b99c9-j6fdw    1/1     Running   0          146m
+argo-cd-argocd-redis-59dd95f5b5-8fx74                       1/1     Running   0          146m
+argo-cd-argocd-repo-server-7b9bd88c95-mh2fz                 1/1     Running   0          146m
+argo-cd-argocd-server-6f9cfdd4d5-8mfpc                      1/1     Running   0          146m
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AWS CloudWatch Metrics

+

Use CloudWatch Container Insights to collect, aggregate, and summarize metrics and logs from your containerized applications and microservices. CloudWatch automatically collects metrics for many resources, such as CPU, memory, disk, and network. Container Insights also provides diagnostic information, such as container restart failures, to help you isolate issues and resolve them quickly. You can also set CloudWatch alarms on metrics that Container Insights collects.

+

Container Insights collects data as performance log events using embedded metric format. These performance log events are entries that use a structured JSON schema that enables high-cardinality data to be ingested and stored at scale. From this data, CloudWatch creates aggregated metrics at the cluster, node, pod, task, and service level as CloudWatch metrics. The metrics that Container Insights collects are available in CloudWatch automatic dashboards, and also viewable in the Metrics section of the CloudWatch console.

+

Usage

+

aws-cloudwatch-metrics can be deployed by enabling the add-on via the following.

+
enable_aws_cloudwatch_metrics = true
+
+

You can also customize the Helm chart that deploys aws-cloudwatch-metrics via the following configuration:

+
  enable_aws_cloudwatch_metrics        = true
+
+  aws_cloudwatch_metrics_irsa_policies = ["IAM Policies"]
+  aws_cloudwatch_metrics   = {
+    role_policies = ["IAM Policies"]  # extra policies in addition of CloudWatchAgentServerPolicy
+    name          = "aws-cloudwatch-metrics"
+    repository    = "https://aws.github.io/eks-charts"
+    chart_version = "0.0.9"
+    namespace     = "amazon-cloudwatch"
+    values        = [templatefile("${path.module}/values.yaml", {})] # The value `clusterName` is already set to the EKS cluster name, no need to specify here
+  }
+
+

Verify aws-cloudwatch-metrics pods are running

+
$ kubectl get pods -n amazon-cloudwatch
+
+NAME                           READY   STATUS    RESTARTS   AGE
+aws-cloudwatch-metrics-2dt5h   1/1     Running   0          149m
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AWS EFS CSI Driver

+

This add-on deploys the AWS EFS CSI driver into an EKS cluster.

+

Usage

+

The AWS EFS CSI driver can be deployed by enabling the add-on via the following. Check out the full example to deploy an EKS Cluster with EFS backing the dynamic provisioning of persistent volumes.

+
  enable_aws_efs_csi_driver = true
+
+

You can optionally customize the Helm chart that deploys the driver via the following configuration.

+
  enable_aws_efs_csi_driver = true
+
+  # Optional aws_efs_csi_driver_helm_config
+  aws_efs_csi_driver = {
+    repository     = "https://kubernetes-sigs.github.io/aws-efs-csi-driver/"
+    chart_version  = "2.4.1"
+  }
+  aws_efs_csi_driver {
+    role_policies = ["<ADDITIONAL_IAM_POLICY_ARN>"]
+  }
+
+

Once deployed, you will be able to see a number of supporting resources in the kube-system namespace.

+
$ kubectl get deployment efs-csi-controller -n kube-system
+
+NAME                 READY   UP-TO-DATE   AVAILABLE   AGE
+efs-csi-controller   2/2     2            2           4m29s
+
+
$ kubectl get daemonset efs-csi-node -n kube-system
+
+NAME           DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR                 AGE
+efs-csi-node   3         3         3       3            3           beta.kubernetes.io/os=linux   4m32s
+
+

Validate EFS CSI Driver

+

Follow the static provisioning example described here to validate the CSI driver is working as expected.

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AWS for Fluent Bit

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AWS provides a Fluent Bit image with plugins for both CloudWatch Logs and Kinesis Data Firehose. We recommend using Fluent Bit as your log router because it has a lower resource utilization rate than Fluentd.

+

Usage

+

AWS for Fluent Bit can be deployed by enabling the add-on via the following.

+
enable_aws_for_fluentbit = true
+
+

You can optionally customize the Helm chart that deploys AWS for Fluent Bit via the following configuration.

+
  enable_aws_for_fluentbit = true
+  aws_for_fluentbit_cw_log_group = {
+    create          = true
+    use_name_prefix = true # Set this to true to enable name prefix
+    name_prefix     = "eks-cluster-logs-"
+    retention       = 7
+  }
+  aws_for_fluentbit = {
+    name          = "aws-for-fluent-bit"
+    chart_version = "0.1.28"
+    repository    = "https://aws.github.io/eks-charts"
+    namespace     = "kube-system"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

If you want to enable Container Insights on Amazon EKS through Fluent Bit, you need to add the following parameter in your configuration:

+
  enable_aws_for_fluentbit = true
+  aws_for_fluentbit = {
+    enable_containerinsights = true
+  }
+
+

By default, ClusterInsights will not enable the kubelet monitoring feature, with AWS for FluentBit integration, since this is an optional feature that is suggested to be enabled only on large clusters. To enable the ClusterInsights Use_Kubelet feature you'll need to provide a few more parametees:

+
  enable_aws_for_fluentbit = true
+  aws_for_fluentbit = {
+    enable_containerinsights = true
+    kubelet_monitoring       = true
+    set = [{
+        name  = "cloudWatchLogs.autoCreateGroup"
+        value = true
+      },
+      {
+        name  = "hostNetwork"
+        value = true
+      },
+      {
+        name  = "dnsPolicy"
+        value = "ClusterFirstWithHostNet"
+      }
+    ]
+  }
+
+

Verify the Fluent Bit setup

+

Verify aws-for-fluentbit pods are running.

+
$ kubectl -n kube-system get pods -l app.kubernetes.io/name=aws-for-fluent-bit
+NAME                       READY   STATUS    RESTARTS   AGE
+aws-for-fluent-bit-6lhkj   1/1     Running   0          15m
+aws-for-fluent-bit-sbn9b   1/1     Running   0          15m
+aws-for-fluent-bit-svhwq   1/1     Running   0          15m
+
+

Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/

+

In the navigation pane, choose Log groups.

+

Make sure that you're in the Region where you deployed Fluent Bit.

+

Check the list of log groups in the Region. You should see the following:

+
/aws/eks/complete/aws-fluentbit-logs
+
+

If you enabled Container Insights, you should also see the following Log Groups in your CloudWatch Console.

+
/aws/containerinsights/Cluster_Name/application
+
+/aws/containerinsights/Cluster_Name/host
+
+/aws/containerinsights/Cluster_Name/dataplane
+
+

Navigate to one of these log groups and check the Last Event Time for the log streams. If it is recent relative to when you deployed Fluent Bit, the setup is verified.

+

There might be a slight delay in creating the /dataplane log group. This is normal as these log groups only get created when Fluent Bit starts sending logs for that log group.

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AWS FSx CSI Driver

+

This add-on deploys the Amazon FSx CSI Driver in to an Amazon EKS Cluster.

+

Usage

+

The Amazon FSx CSI Driver can be deployed by enabling the add-on via the following.

+
  enable_aws_fsx_csi_driver = true
+
+

Helm Chart customization

+

You can optionally customize the Helm chart deployment using a configuration like the following.

+
  enable_aws_fsx_csi_driver = true
+  aws_fsx_csi_driver = {
+    namespace     = "aws-fsx-csi-driver"
+    chart_version = "1.6.0"
+    role_policies = <ADDITIONAL_IAM_POLICY_ARN>
+  }
+
+

You can find all available Helm Chart parameter values here

+

Validation

+

Once deployed, you will be able to see a number of supporting resources in the kube-system namespace.

+
$ kubectl -n kube-system get deployment fsx-csi-controller
+
+NAME                 READY   UP-TO-DATE   AVAILABLE   AGE
+fsx-csi-controller   2/2     2            2           4m29s
+
+$ kubectl -n kube-system get pods -l app=fsx-csi-controller
+NAME                                  READY   STATUS    RESTARTS   AGE
+fsx-csi-controller-56c6d9bbb8-89cpc   4/4     Running   0          3m30s
+fsx-csi-controller-56c6d9bbb8-9wnlh   4/4     Running   0          3m30s
+
+
$ kubectl -n kube-system get daemonset fsx-csi-node
+NAME           DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR            AGE
+fsx-csi-node   3         3         3       3            3           kubernetes.io/os=linux   5m27s
+
+$ kubectl -n kube-system get pods -l  app=fsx-csi-node
+NAME                 READY   STATUS    RESTARTS   AGE
+fsx-csi-node-7c5z6   3/3     Running   0          5m29s
+fsx-csi-node-d5q28   3/3     Running   0          5m29s
+fsx-csi-node-hlg8q   3/3     Running   0          5m29s
+
+

Create a StorageClass. Replace the SubnetID and the SecurityGroupID with your own values. More details here.

+
$ cat <<EOF | kubectl apply -f -
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: fsx-sc
+provisioner: fsx.csi.aws.com
+parameters:
+  subnetId: <YOUR_SUBNET_IDs>
+  securityGroupIds: <YOUR_SG_ID>
+  perUnitStorageThroughput: "200"
+  deploymentType: PERSISTENT_1
+mountOptions:
+  - flock
+EOF
+
+
$ kubect describe storageclass fsx-sc
+Name:            fsx-sc
+IsDefaultClass:  No
+Annotations:     kubectl.kubernetes.io/last-applied-configuration={"apiVersion":"storage.k8s.io/v1","kind":"StorageClass","metadata":{"annotations":{},"name":"fsx-sc"},"mountOptions":null,"parameters":{"deploymentType":"PERSISTENT_1","perUnitStorageThroughput":"200","securityGroupIds":"sg-q1w2e3r4t5y6u7i8o","subnetId":"subnet-q1w2e3r4t5y6u7i8o"},"provisioner":"fsx.csi.aws.com"}
+
+Provisioner:           fsx.csi.aws.com
+Parameters:            deploymentType=PERSISTENT_1,perUnitStorageThroughput=200,securityGroupIds=sg-q1w2e3r4t5y6u7i8o,subnetId=subnet-q1w2e3r4t5y6u7i8o
+AllowVolumeExpansion:  <unset>
+MountOptions:          <none>
+ReclaimPolicy:         Delete
+VolumeBindingMode:     Immediate
+Events:                <none>
+
+

Create a PVC.

+
$ cat <<EOF | kubectl apply -f -
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: fsx-claim
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: fsx-sc
+  resources:
+    requests:
+      storage: 1200Gi
+EOF
+
+

Wait for the PV to be created and bound to your PVC.

+
$ kubectl get pvc
+NAME        STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
+fsx-claim   Bound    pvc-df385730-72d6-4b0c-8275-cc055a438760   1200Gi     RWX            fsx-sc         7m47s
+$ kubectl get pv
+NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM               STORAGECLASS   REASON   AGE
+pvc-df385730-72d6-4b0c-8275-cc055a438760   1200Gi     RWX            Delete           Bound    default/fsx-claim   fsx-sc                  2m13s
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/aws-gateway-api-controller/index.html b/v1.16.1/addons/aws-gateway-api-controller/index.html new file mode 100644 index 00000000..cba48d53 --- /dev/null +++ b/v1.16.1/addons/aws-gateway-api-controller/index.html @@ -0,0 +1,1158 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + AWS Gateway API Controller - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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AWS Gateway API Controller

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AWS Gateway API Controller lets you connect services across multiple Kubernetes clusters through the Kubernetes Gateway API interface. It is also designed to connect services running on EC2 instances, containers, and as serverless functions. It does this by leveraging Amazon VPC Lattice, which works with Kubernetes Gateway API calls to manage Kubernetes objects.

+

Usage

+

AWS Gateway API Controller can be deployed by enabling the add-on via the following.

+
  enable_aws_gateway_api_controller = true
+  aws_gateway_api_controller = {
+    repository_username = data.aws_ecrpublic_authorization_token.token.user_name
+    repository_password = data.aws_ecrpublic_authorization_token.token.password
+    set = [{
+      name  = "clusterVpcId"
+      value = "vpc-12345abcd"
+    }]
+}
+
+

You can optionally customize the Helm chart that deploys AWS Gateway API Controller via the following configuration.

+
  enable_aws_gateway_api_controller = true
+  aws_gateway_api_controller = {
+    name                = "aws-gateway-api-controller"
+    chart_version       = "v0.0.12"
+    repository          = "oci://public.ecr.aws/aws-application-networking-k8s"
+    repository_username = data.aws_ecrpublic_authorization_token.token.user_name
+    repository_password = data.aws_ecrpublic_authorization_token.token.password
+    namespace           = "aws-application-networking-system"
+    values              = [templatefile("${path.module}/values.yaml", {})]
+    set = [{
+      name  = "clusterVpcId"
+      value = "vpc-12345abcd"
+    }]
+  }
+
+

Verify aws-gateway-api-controller pods are running.

+
$ kubectl get pods -n aws-application-networking-system
+NAME                                                               READY   STATUS    RESTARTS   AGE
+aws-gateway-api-controller-aws-gateway-controller-chart-8f42q426   1/1     Running   0          40s
+aws-gateway-api-controller-aws-gateway-controller-chart-8f4tbl9g   1/1     Running   0          71s
+
+

Deploy example GatewayClass

+
$ kubectl apply -f https://raw.githubusercontent.com/aws/aws-application-networking-k8s/main/examples/gatewayclass.yaml
+gatewayclass.gateway.networking.k8s.io/amazon-vpc-lattice created
+
+

Describe GatewayClass

+
$ kubectl describe gatewayclass
+Name:         amazon-vpc-lattice
+Namespace:
+Labels:       <none>
+Annotations:  <none>
+API Version:  gateway.networking.k8s.io/v1beta1
+Kind:         GatewayClass
+Metadata:
+  Creation Timestamp:  2023-06-22T22:33:32Z
+  Generation:          1
+  Resource Version:    819021
+  UID:                 aac59195-8f37-4c23-a2a5-b0f363deda77
+Spec:
+  Controller Name:  application-networking.k8s.aws/gateway-api-controller
+Status:
+  Conditions:
+    Last Transition Time:  2023-06-22T22:33:32Z
+    Message:               Accepted
+    Observed Generation:   1
+    Reason:                Accepted
+    Status:                True
+    Type:                  Accepted
+Events:                    <none>
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AWS Load Balancer Controller.

+

AWS Load Balancer Controller is a controller to help manage Elastic Load Balancers for a Kubernetes cluster. This Add-on deploys this controller in an Amazon EKS Cluster.

+

Usage

+

In order to deploy the AWS Load Balancer Controller Addon via EKS Blueprints Addons, reference the following parameters under the module.eks_blueprints_addons.

+
+

NOTE: In versions 2.5 and newer, the AWS Load Balancer Controller becomes the default controller for Kubernetes service resources with the type: LoadBalancer and makes an AWS Network Load Balancer (NLB) for each service. It does this by making a mutating webhook for services, which sets the spec.loadBalancerClass field to service.k8s.aws/nlb for new services of type: LoadBalancer. You can turn off this feature and revert to using the legacy Cloud Provider as the default controller, by setting the helm chart value enableServiceMutatorWebhook to false. The cluster won't provision new Classic Load Balancers for your services unless you turn off this feature. Existing Classic Load Balancers will continue to work.

+
+
module "eks_blueprints_addons" {
+
+  enable_aws_load_balancer_controller = true
+  aws_load_balancer_controller = {
+    set = [
+      {
+        name  = "vpcId"
+        value = module.vpc.vpc_id
+      },
+      {
+        name  = "podDisruptionBudget.maxUnavailable"
+        value = 1
+      },
+      {
+        name  = "enableServiceMutatorWebhook"
+        value = "false"
+      }
+    ]
+  }
+
+

Helm Chart customization

+

It's possible to customize your deployment using the Helm Chart parameters inside the aws_load_balancer_controller configuration block:

+
  aws_load_balancer_controller = {
+    set = [
+      {
+        name  = "vpcId"
+        value = module.vpc.vpc_id
+      },
+      {
+        name  = "podDisruptionBudget.maxUnavailable"
+        value = 1
+      },
+      {
+        name  = "resources.requests.cpu"
+        value = 100m
+      },
+      {
+        name  = "resources.requests.memory"
+        value = 128Mi
+      },
+    ]
+  }
+}
+
+

You can find all available Helm Chart parameter values here.

+

Validate

+
    +
  1. To validate the deployment, check if the aws-load-balancer-controller Pods were created in the kube-system Namespace, as the following example.
    2. +
+
kubectl -n kube-system get pods | grep aws-load-balancer-controller
+NAMESPACE       NAME                                            READY   STATUS    RESTARTS   AGE
+kube-system     aws-load-balancer-controller-6cbdb58654-fvskt   1/1     Running   0          26m
+kube-system     aws-load-balancer-controller-6cbdb58654-sc7dk   1/1     Running   0          26m
+
+
    +
  1. Create a Kubernetes Ingress, using the alb IngressClass, pointing to an existing Service. In this example we'll use a Service called example-svc.
    2. +
+
kubectl create ingress example-ingress --class alb --rule="/*=example-svc:80" \
+--annotation alb.ingress.kubernetes.io/scheme=internet-facing \
+--annotation alb.ingress.kubernetes.io/target-type=ip
+
+
kubectl get ingress
+NAME                CLASS   HOSTS   ADDRESS                                                                 PORTS   AGE
+example-ingress     alb     *       k8s-example-ingress-7e0d6f03e7-1234567890.us-west-2.elb.amazonaws.com   80      4m9s
+
+

Resources

+

GitHub Repo +Helm Chart +AWS Docs

+ + + + + + +
+
+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/aws-node-termination-handler/index.html b/v1.16.1/addons/aws-node-termination-handler/index.html new file mode 100644 index 00000000..75dffa31 --- /dev/null +++ b/v1.16.1/addons/aws-node-termination-handler/index.html @@ -0,0 +1,1206 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + AWS Node Termination Handler - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ +
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AWS Node Termination Handler

+

This project ensures that the Kubernetes control plane responds appropriately to events that can cause your EC2 instance to become unavailable, such as EC2 maintenance events, EC2 Spot interruptions, ASG Scale-In, ASG AZ Rebalance, and EC2 Instance Termination via the API or Console. If not handled, your application code may not stop gracefully, take longer to recover full availability, or accidentally schedule work to nodes that are going down.

+

Usage

+

AWS Node Termination Handler can be deployed by enabling the add-on via the following.

+
enable_aws_node_termination_handler = true
+
+

You can optionally customize the Helm chart that deploys AWS Node Termination Handler via the following configuration.

+
  enable_aws_node_termination_handler = true
+
+  aws_node_termination_handler = {
+    name          = "aws-node-termination-handler"
+    chart_version = "0.21.0"
+    repository    = "https://aws.github.io/eks-charts"
+    namespace     = "aws-node-termination-handler"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify aws-node-termination-handler pods are running.

+
$ kubectl get pods -n aws-node-termination-handler
+NAME                                            READY   STATUS    RESTARTS      AGE
+aws-node-termination-handler-6f598b6b89-6mqgk   1/1     Running   1 (22h ago)   26h
+
+

Verify SQS Queue is created.

+
$ aws sqs list-queues
+
+{
+    "QueueUrls": [
+        "https://sqs.us-east-1.amazonaws.com/XXXXXXXXXXXXXX/aws_node_termination_handler20221123072051157700000004"
+    ]
+}
+
+

Verify Event Rules are created.

+
$ aws event list-rules
+{
+    [
+        {
+            "Name": "NTH-ASGTerminiate-20230602191740664900000025",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTH-ASGTerminiate-20230602191740664900000025",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance-terminate Lifecycle Action\"],\"source\":[\"aws.autoscaling\"]}",
+            "State": "ENABLED",
+            "Description": "Auto scaling instance terminate event",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTH-HealthEvent-20230602191740079300000022",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTH-HealthEvent-20230602191740079300000022",
+            "EventPattern": "{\"detail-type\":[\"AWS Health Event\"],\"source\":[\"aws.health\"]}",
+            "State": "ENABLED",
+            "Description": "AWS health event",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTH-InstanceRebalance-20230602191740077100000021",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTH-InstanceRebalance-20230602191740077100000021",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance Rebalance Recommendation\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "Description": "EC2 instance rebalance recommendation",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTH-InstanceStateChange-20230602191740165000000024",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTH-InstanceStateChange-20230602191740165000000024",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance State-change Notification\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "Description": "EC2 instance state-change notification",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTH-SpotInterrupt-20230602191740077100000020",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTH-SpotInterrupt-20230602191740077100000020",
+            "EventPattern": "{\"detail-type\":[\"EC2 Spot Instance Interruption Warning\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "Description": "EC2 spot instance interruption warning",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTHASGTermRule",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTHASGTermRule",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance-terminate Lifecycle Action\"],\"source\":[\"aws.autoscaling\"]}",
+            "State": "ENABLED",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTHInstanceStateChangeRule",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTHInstanceStateChangeRule",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance State-change Notification\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTHRebalanceRule",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTHRebalanceRule",
+            "EventPattern": "{\"detail-type\":[\"EC2 Instance Rebalance Recommendation\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTHScheduledChangeRule",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTHScheduledChangeRule",
+            "EventPattern": "{\"detail-type\":[\"AWS Health Event\"],\"source\":[\"aws.health\"]}",
+            "State": "ENABLED",
+            "EventBusName": "default"
+        },
+        {
+            "Name": "NTHSpotTermRule",
+            "Arn": "arn:aws:events:us-west-2:XXXXXXXXXXXXXX:rule/NTHSpotTermRule",
+            "EventPattern": "{\"detail-type\":[\"EC2 Spot Instance Interruption Warning\"],\"source\":[\"aws.ec2\"]}",
+            "State": "ENABLED",
+            "EventBusName": "default"
+        }
+    ]
+}
+
+ + + + + + +
+
+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/aws-private-ca-issuer/index.html b/v1.16.1/addons/aws-private-ca-issuer/index.html new file mode 100644 index 00000000..053a084b --- /dev/null +++ b/v1.16.1/addons/aws-private-ca-issuer/index.html @@ -0,0 +1,1222 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + AWS Private CA Issuer - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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+ + + +
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+ + + + + + + +

AWS Private CA Issuer

+

AWS Private CA is an AWS service that can setup and manage private CAs, as well as issue private certificates. This add-on deploys the AWS Private CA Issuer as an external issuer to cert-manager that signs off certificate requests using AWS Private CA in an Amazon EKS Cluster.

+

Usage

+

Pre-requisites

+

To deploy the AWS PCA, you need to install cert-manager first, refer to this documentation to do it through EKS Blueprints Addons.

+

Deployment

+

With cert-manager deployed in place, you can deploy the AWS Private CA Issuer Add-on via EKS Blueprints Addons, reference the following parameters under the module.eks_blueprints_addons.

+
module "eks_blueprints_addons" {
+
+  enable_cert_manager         = true
+  enable_aws_privateca_issuer = true
+  aws_privateca_issuer = {
+    acmca_arn        = aws_acmpca_certificate_authority.this.arn
+  }
+}
+
+

Helm Chart customization

+

It's possible to customize your deployment using the Helm Chart parameters inside the aws_load_balancer_controller configuration block:

+
  aws_privateca_issuer = {
+    acmca_arn        = aws_acmpca_certificate_authority.this.arn
+    namespace        = "aws-privateca-issuer"
+    create_namespace = true
+  }
+
+

You can find all available Helm Chart parameter values here.

+

Validation

+
    +
  1. List all the pods running in aws-privateca-issuer and cert-manager Namespace.
    2. +
+
kubectl get pods -n aws-privateca-issuer
+kubectl get pods -n cert-manager
+
+
    +
  1. Check the certificate status in it should be in Ready state, and be pointing to a secret created in the same Namespace.
    2. +
+
kubectl get certificate -o wide
+NAME      READY   SECRET                  ISSUER                    STATUS                                          AGE
+example   True    example-clusterissuer   tls-with-aws-pca-issuer   Certificate is up to date and has not expired   41m
+
+kubectl get secret example-clusterissuer
+NAME                    TYPE                DATA   AGE
+example-clusterissuer   kubernetes.io/tls   3      43m
+
+

Resources

+

GitHub Repo +Helm Chart +AWS Docs

+ + + + + + +
+
+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/bottlerocket/index.html b/v1.16.1/addons/bottlerocket/index.html new file mode 100644 index 00000000..5ae873b4 --- /dev/null +++ b/v1.16.1/addons/bottlerocket/index.html @@ -0,0 +1,1339 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Bottlerocket and Bottlerocket Update Operator - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
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+ + + +
+
+ + + + + + + +

Bottlerocket and Bottlerocket Update Operator

+

Bottlerocket is a Linux-based open-source operating system that focuses on security and maintainability, providing a reliable, consistent, and safe platform for container-based workloads.

+

The Bottlerocket Update Operator (BRUPOP) is a Kubernetes operator that coordinates Bottlerocket updates on hosts in a cluster. It relies on a controller deployment on one node to orchestrate updates across the cluster, an agent daemon set on every Bottlerocket node, which is responsible for periodically querying and performing updates rolled out in waves to reduce the impact of issues, and an API Server that performs additional authorization.

+

Cert-manager is required for the API server to use a CA certificate when communicating over SSL with the agents.

+ +

Requirements

+

BRUPOP perform updates on Nodes running with Bottlerocket OS only. Here are some code snippets of how to setup up Bottlerocket OS Nodes using Managed Node Groups with Terraform Amazon EKS module and Karpenter Node Classes.

+

Notice the label bottlerocket.aws/updater-interface-version=2.0.0 set in the [settings.kubernetes.node-labels] section. This label is required for the BRUPOP Agent to query and perform updates. Nodes not labeled will not be checked by the agent.

+

Managed Node Groups

+
module "eks" {
+  source  = "terraform-aws-modules/eks/aws"
+  version = "~> 19.21"
+...
+  eks_managed_node_groups = {
+    bottlerocket = {
+      platform = "bottlerocket"
+      ami_type       = "BOTTLEROCKET_x86_64"
+      instance_types = ["m5.large", "m5a.large"]
+
+      iam_role_attach_cni_policy = true
+
+      min_size     = 1
+      max_size     = 5
+      desired_size = 3
+
+      enable_bootstrap_user_data = true
+      bootstrap_extra_args = <<-EOT
+            [settings.host-containers.admin]
+            enabled = false
+            [settings.host-containers.control]
+            enabled = true
+            [settings.kernel]
+            lockdown = "integrity"
+            [settings.kubernetes.node-labels]
+            "bottlerocket.aws/updater-interface-version" = "2.0.0"
+            [settings.kubernetes.node-taints]
+            "CriticalAddonsOnly" = "true:NoSchedule"
+          EOT
+    }
+  }
+}
+
+

Karpenter

+
apiVersion: karpenter.k8s.aws/v1beta1
+kind: EC2NodeClass
+metadata:
+  name: bottlerocket-example
+spec:
+...
+  amiFamily: Bottlerocket
+  userData:  |
+    [settings.kubernetes]
+    "kube-api-qps" = 30
+    "shutdown-grace-period" = "30s"
+    "shutdown-grace-period-for-critical-pods" = "30s"
+    [settings.kubernetes.eviction-hard]
+    "memory.available" = "20%"
+    [settings.kubernetes.node-labels]
+     "bottlerocket.aws/updater-interface-version" = "2.0.0"
+
+

Usage

+

BRUPOP can be deployed with the default configuration by enabling the add-on via the following. Notice the parameter wait = true set for Cert-Manager, this is needed since BRUPOP requires that Cert-Manager CRDs are already present in the cluster to be deployed.

+
module "eks_blueprints_addons" {
+  source  = "aws-ia/eks-blueprints-addons/aws"
+  version = "~> 1.13"
+
+  cluster_name      = module.eks.cluster_name
+  cluster_endpoint  = module.eks.cluster_endpoint
+  cluster_version   = module.eks.cluster_version
+  oidc_provider_arn = module.eks.oidc_provider_arn
+
+  enable_cert_manager = true
+  cert_manager = {
+    wait = true
+  }
+  enable_bottlerocket_update_operator = true
+}
+
+

You can also customize the Helm charts that deploys bottlerocket_update_operator and the bottlerocket_shadow via the following configuration:

+
enable_bottlerocket_update_operator           = true
+
+bottlerocket_update_operator = {
+  name          = "brupop-operator"
+  description   = "A Helm chart for BRUPOP"
+  chart_version = "1.3.0"
+  namespace     = "brupop"
+  set           = [{
+    name  = "scheduler_cron_expression"
+    value = "0 * * * * * *" # Default Unix Cron syntax, set to check every hour. Example "0 0 23 * * Sat *" Perform update checks every Saturday at 23H / 11PM
+    }]
+}
+
+bottlerocket_shadow = {
+  name          = "brupop-crds"
+  description   = "A Helm chart for BRUPOP CRDs"
+  chart_version = "1.0.0"
+}
+
+

To see a complete working example, see the bottlerocket Blueprints Pattern.

+

Validate

+
    +
  1. Run update-kubeconfig command:
    2. +
+
aws eks --region <REGION> update-kubeconfig --name <CLUSTER_NAME>
+
+
    +
  1. Test by listing velero resources provisioned:
    2. +
+
$ kubectl -n brupop-bottlerocket-aws get all
+
+NAME                                                READY   STATUS    RESTARTS      AGE
+pod/brupop-agent-5nv6m                              1/1     Running   1 (33h ago)   33h
+pod/brupop-agent-h4vw9                              1/1     Running   1 (33h ago)   33h
+pod/brupop-agent-sr9ms                              1/1     Running   2 (33h ago)   33h
+pod/brupop-apiserver-6ccb74f599-4c9lv               1/1     Running   0             33h
+pod/brupop-apiserver-6ccb74f599-h6hg8               1/1     Running   0             33h
+pod/brupop-apiserver-6ccb74f599-svw8n               1/1     Running   0             33h
+pod/brupop-controller-deployment-58d46595cc-7vxnt   1/1     Running   0             33h
+
+NAME                               TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)   AGE
+service/brupop-apiserver           ClusterIP   172.20.153.72   <none>        443/TCP   33h
+service/brupop-controller-server   ClusterIP   172.20.7.127    <none>        80/TCP    33h
+
+NAME                          DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE
+daemonset.apps/brupop-agent   3         3         3       3            3           <none>          33h
+
+NAME                                           READY   UP-TO-DATE   AVAILABLE   AGE
+deployment.apps/brupop-apiserver               3/3     3            3           33h
+deployment.apps/brupop-controller-deployment   1/1     1            1           33h
+
+NAME                                                      DESIRED   CURRENT   READY   AGE
+replicaset.apps/brupop-apiserver-6ccb74f599               3         3         3       33h
+replicaset.apps/brupop-controller-deployment-58d46595cc   1         1         1       33h
+
+$ kubectl describe apiservices.apiregistration.k8s.io v2.brupop.bottlerocket.aws
+Name:         v2.brupop.bottlerocket.aws
+Namespace:
+Labels:       kube-aggregator.kubernetes.io/automanaged=true
+Annotations:  <none>
+API Version:  apiregistration.k8s.io/v1
+Kind:         APIService
+Metadata:
+  Creation Timestamp:  2024-01-30T16:27:15Z
+  Resource Version:    8798
+  UID:                 034abe22-7e5f-4040-9b64-8ca9d55a4af6
+Spec:
+  Group:                   brupop.bottlerocket.aws
+  Group Priority Minimum:  1000
+  Version:                 v2
+  Version Priority:        100
+Status:
+  Conditions:
+    Last Transition Time:  2024-01-30T16:27:15Z
+    Message:               Local APIServices are always available
+    Reason:                Local
+    Status:                True
+    Type:                  Available
+Events:                    <none>
+
+
    +
  1. If not set during the deployment, add the required label bottlerocket.aws/updater-interface-version=2.0.0 as shown below to all the Nodes that you want to have updates handled by BRUPOP.
    2. +
+
$ kubectl label node ip-10-0-34-87.us-west-2.compute.internal bottlerocket.aws/updater-interface-version=2.0.0
+node/ip-10-0-34-87.us-west-2.compute.internal labeled
+
+$ kubectl get nodes -L bottlerocket.aws/updater-interface-version
+NAME                                        STATUS                     ROLES    AGE   VERSION               UPDATER-INTERFACE-VERSION
+ip-10-0-34-87.us-west-2.compute.internal    Ready                      <none>   34h   v1.28.1-eks-d91a302   2.0.0
+
+
    +
  1. Because the default cron schedule for BRUPOP is set to check for updates every minute, you'll be able to see in a few minutes that the Node had it's version updated automatically with no downtime.
    2. +
+
kubectl get nodes
+NAME                                        STATUS                     ROLES    AGE   VERSION
+ip-10-0-34-87.us-west-2.compute.internal    Ready                      <none>   34h   v1.28.4-eks-d91a302
+
+ + + + + + +
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+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/cert-manager/index.html b/v1.16.1/addons/cert-manager/index.html new file mode 100644 index 00000000..9a787ccd --- /dev/null +++ b/v1.16.1/addons/cert-manager/index.html @@ -0,0 +1,1223 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Cert-Manager - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Cert-Manager

+

Cert-manager is a X.509 certificate controller for Kubernetes-like workloads. It will obtain certificates from a variety of Issuers, both popular public Issuers as well as private Issuers, and ensure the certificates are valid and up-to-date, and will attempt to renew certificates at a configured time before expiry. This Add-on deploys this controller in an Amazon EKS Cluster.

+

Usage

+

To deploy cert-manager Add-on via EKS Blueprints Addons, reference the following parameters under the module.eks_blueprints_addons.

+
module "eks_blueprints_addons" {
+
+  enable_cert_manager         = true
+}
+
+

Helm Chart customization

+

It's possible to customize your deployment using the Helm Chart parameters inside the cert-manager configuration block:

+
  cert-manager = {
+    chart_version    = "v1.11.1"
+    namespace        = "cert-manager"
+    create_namespace = true
+  }
+
+

You can find all available Helm Chart parameter values here

+

Validation

+
    +
  1. Validate if the Cert-Manger Pods are Running.
    2. +
+
kubectl -n cert-manager get pods
+NAME                                      READY   STATUS    RESTARTS   AGE
+cert-manager-5989bcc87-96qvf              1/1     Running   0          2m49s
+cert-manager-cainjector-9b44ddb68-8c7b9   1/1     Running   0          2m49s
+cert-manager-webhook-776b65456-k6br4      1/1     Running   0          2m49s
+
+
    +
  1. Create a SelfSigned ClusterIssuer resource in the cluster.
    2. +
+
apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: selfsigned-cluster-issuer
+spec:
+  selfSigned: {}
+
+
kubectl get clusterissuers -o wide selfsigned-cluster-issuer
+NAME                        READY   STATUS   AGE
+selfsigned-cluster-issuer   True             3m
+
+
    +
  1. Create a Certificate in a given Namespace.
    2. +
+
apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: example
+  namespace: default
+spec:
+  isCA: true
+  commonName: example
+  secretName: example-secret
+  privateKey:
+    algorithm: ECDSA
+    size: 256
+  issuerRef:
+    name: selfsigned-cluster-issuer
+    kind: ClusterIssuer
+    group: cert-manager.io
+
+
    +
  1. Check the certificate status in it should be in Ready state, and be pointing to a secret created in the same Namespace.
    2. +
+
kubectl get certificate -o wide
+NAME      READY   SECRET           ISSUER                      STATUS                                          AGE
+example   True    example-secret   selfsigned-cluster-issuer   Certificate is up to date and has not expired   44s
+
+kubectl get secret example-secret
+NAME             TYPE                DATA   AGE
+example-secret   kubernetes.io/tls   3      70s
+
+

Resources

+

GitHub Repo +Helm Chart

+ + + + + + +
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+ + +
+ +
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+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/cluster-autoscaler/index.html b/v1.16.1/addons/cluster-autoscaler/index.html new file mode 100644 index 00000000..a1260883 --- /dev/null +++ b/v1.16.1/addons/cluster-autoscaler/index.html @@ -0,0 +1,1115 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Cluster Autoscaler - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Cluster Autoscaler

+

The Kubernetes Cluster Autoscaler automatically adjusts the number of nodes in your cluster when pods fail or are rescheduled onto other nodes. The Cluster Autoscaler uses Auto Scaling groups. For more information, see Cluster Autoscaler on AWS.

+

Usage

+

Cluster Autoscaler can be deployed by enabling the add-on via the following.

+
enable_cluster_autoscaler = true
+
+

You can optionally customize the Helm chart that deploys Cluster Autoscaler via the following configuration.

+
  enable_cluster_autoscaler = true
+
+  cluster_autoscaler = {
+    name          = "cluster-autoscaler"
+    chart_version = "9.29.0"
+    repository    = "https://kubernetes.github.io/autoscaler"
+    namespace     = "kube-system"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify cluster-autoscaler pods are running.

+
$ kubectl get pods -n kube-system
+NAME                                                         READY   STATUS    RESTARTS     AGE
+cluster-autoscaler-aws-cluster-autoscaler-7ff79bc484-pm8g9   1/1     Running   1 (2d ago)   2d5h
+
+ + + + + + +
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+ + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/cluster-proportional-autoscaler/index.html b/v1.16.1/addons/cluster-proportional-autoscaler/index.html new file mode 100644 index 00000000..79984790 --- /dev/null +++ b/v1.16.1/addons/cluster-proportional-autoscaler/index.html @@ -0,0 +1,1238 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Cluster Proportional Autoscaler - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Cluster Proportional Autoscaler

+

Horizontal cluster-proportional-autoscaler watches over the number of schedulable nodes and cores of the cluster and resizes the number of replicas for the required resource. This functionality may be desirable for applications that need to be autoscaled with the size of the cluster, such as CoreDNS and other services that scale with the number of nodes/pods in the cluster.

+

The cluster-proportional-autoscaler helps to scale the applications using deployment or replicationcontroller or replicaset. This is an alternative solution to Horizontal Pod Autoscaling. +It is typically installed as a Deployment in your cluster.

+

Refer to the eks-best-practices-guides for addional configuration guidanance.

+

Usage

+

This add-on requires both enable_cluster_proportional_autoscaler and cluster_proportional_autoscaler as mandatory fields.

+

The example shows how to enable cluster-proportional-autoscaler for CoreDNS Deployment. CoreDNS deployment is not configured with HPA. So, this add-on helps to scale CoreDNS Add-on according to the size of the nodes and cores.

+

This Add-on can be used to scale any application with Deployment objects.

+
enable_cluster_proportional_autoscaler  = true
+cluster_proportional_autoscaler  = {
+    values = [
+      <<-EOT
+        nameOverride: kube-dns-autoscaler
+
+        # Formula for controlling the replicas. Adjust according to your needs
+        # replicas = max( ceil( cores * 1/coresPerReplica ) , ceil( nodes * 1/nodesPerReplica ) )
+        config:
+          linear:
+            coresPerReplica: 256
+            nodesPerReplica: 16
+            min: 1
+            max: 100
+            preventSinglePointFailure: true
+            includeUnschedulableNodes: true
+
+        # Target to scale. In format: deployment/*, replicationcontroller/* or replicaset/* (not case sensitive).
+        options:
+          target: deployment/coredns # Notice the target as `deployment/coredns`
+
+        serviceAccount:
+          create: true
+          name: kube-dns-autoscaler
+
+        podSecurityContext:
+          seccompProfile:
+            type: RuntimeDefault
+            supplementalGroups: [65534]
+            fsGroup: 65534
+
+        resources:
+          limits:
+            cpu: 100m
+            memory: 128Mi
+          requests:
+            cpu: 100m
+            memory: 128Mi
+
+        tolerations:
+          - key: "CriticalAddonsOnly"
+            operator: "Exists"
+            description: "Cluster Proportional Autoscaler for CoreDNS Service"
+      EOT
+    ]
+}
+
+

Expected result

+

The cluster-proportional-autoscaler pod running in the kube-system namespace. +

kubectl -n kube-system get po -l app.kubernetes.io/instance=cluster-proportional-autoscaler
+NAME                                                              READY   STATUS    RESTARTS   AGE
+cluster-proportional-autoscaler-kube-dns-autoscaler-d8dc8477xx7   1/1     Running   0          21h
+
+The cluster-proportional-autoscaler-kube-dns-autoscaler config map exists. +
kubectl -n kube-system get cm cluster-proportional-autoscaler-kube-dns-autoscaler
+NAME                                                  DATA   AGE
+cluster-proportional-autoscaler-kube-dns-autoscaler   1      21h
+

+

Testing

+

To test that coredns pods scale, first take a baseline of how many nodes the cluster has and how many coredns pods are running. +

kubectl get nodes
+NAME                          STATUS   ROLES    AGE   VERSION
+ip-10-0-19-243.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-25-182.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-40-138.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-8-136.ec2.internal    Ready    <none>   21h   v1.26.4-eks-0a21954
+
+kubectl get po -n kube-system -l k8s-app=kube-dns
+NAME                       READY   STATUS    RESTARTS   AGE
+coredns-7975d6fb9b-dlkdd   1/1     Running   0          21h
+coredns-7975d6fb9b-xqqwp   1/1     Running   0          21h
+

+

Change the following parameters in the hcl code above so a scaling event can be easily triggered: +

        config:
+          linear:
+            coresPerReplica: 4
+            nodesPerReplica: 2
+            min: 1
+            max: 4
+
+and execute terraform apply.

+

Increase the managed node group desired size, in this example from 4 to 5. This can be done via the AWS Console.

+

Check that the new node came up and coredns scaled up. +

NAME                          STATUS   ROLES    AGE   VERSION
+ip-10-0-14-120.ec2.internal   Ready    <none>   10m   v1.26.4-eks-0a21954
+ip-10-0-19-243.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-25-182.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-40-138.ec2.internal   Ready    <none>   21h   v1.26.4-eks-0a21954
+ip-10-0-8-136.ec2.internal    Ready    <none>   21h   v1.26.4-eks-0a21954
+
+kubectl get po -n kube-system -l k8s-app=kube-dns
+NAME                       READY   STATUS    RESTARTS   AGE
+coredns-7975d6fb9b-dlkdd   1/1     Running   0          21h
+coredns-7975d6fb9b-ww64t   1/1     Running   0          10m
+coredns-7975d6fb9b-xqqwp   1/1     Running   0          21h
+

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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/external-dns/index.html b/v1.16.1/addons/external-dns/index.html new file mode 100644 index 00000000..9ca6a2bf --- /dev/null +++ b/v1.16.1/addons/external-dns/index.html @@ -0,0 +1,1126 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + External DNS - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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External DNS

+

ExternalDNS makes Kubernetes resources discoverable via public DNS servers. Like KubeDNS, it retrieves a list of resources (Services, Ingresses, etc.) from the Kubernetes API to determine a desired list of DNS records. Unlike KubeDNS, however, it's not a DNS server itself, but merely configures other DNS providers accordingly—e.g. AWS Route 53.

+

Usage

+

External DNS can be deployed by enabling the add-on via the following.

+
enable_external_dns = true
+
+

You can optionally customize the Helm chart that deploys External DNS via the following configuration.

+
  enable_external_dns = true
+
+  external_dns = {
+    name          = "external-dns"
+    chart_version = "1.12.2"
+    repository    = "https://kubernetes-sigs.github.io/external-dns/"
+    namespace     = "external-dns"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+  external_dns_route53_zone_arns = ["XXXXXXXXXXXXXXXXXXXXXXX"]
+
+

Verify external-dns pods are running.

+
$ kubectl get pods -n external-dns
+NAME                            READY   STATUS    RESTARTS     AGE
+external-dns-849b89c675-ffnf6   1/1     Running   1 (2d ago)   2d5h
+
+

To further configure external-dns, refer to the examples:

+ + + + + + + +
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+ + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/external-secrets/index.html b/v1.16.1/addons/external-secrets/index.html new file mode 100644 index 00000000..69a781b8 --- /dev/null +++ b/v1.16.1/addons/external-secrets/index.html @@ -0,0 +1,1137 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + External Secrets - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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External Secrets

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External Secrets Operator is a Kubernetes operator that integrates external secret management systems like AWS Secrets Manager, HashiCorp Vault, Google Secrets Manager, Azure Key Vault, IBM Cloud Secrets Manager, and many more. The operator reads information from external APIs and automatically injects the values into a Kubernetes Secret.

+

Usage

+

External Secrets can be deployed by enabling the add-on via the following.

+
enable_external_secrets = true
+
+

You can optionally customize the Helm chart that deploys External Secrets via the following configuration.

+
  enable_external_secrets = true
+
+  external_secrets = {
+    name          = "external-secrets"
+    chart_version = "0.9.13"
+    repository    = "https://charts.external-secrets.io"
+    namespace     = "external-secrets"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify external-secrets pods are running.

+
$ kubectl get pods -n external-secrets
+NAME                                               READY   STATUS    RESTARTS       AGE
+external-secrets-67bfd5b47c-xc5xf                  1/1     Running   1 (2d1h ago)   2d6h
+external-secrets-cert-controller-8f75c6f79-qcfx4   1/1     Running   1 (2d1h ago)   2d6h
+external-secrets-webhook-78f6bd456-76wmm           1/1     Running   1 (2d1h ago)   2d6h
+
+

EKS Fargate

+

By default, external-secrets creates a webhook pod that listens on port 10250 [Reference]:

+
+

yes, by default we use port 10250 for the webhook pod because it's generally allowed throughout most default firewall implementations (GKE, EKS), but it conflicts with Fargate. Any port number should do the trick, as long as there is no sg rules or NACLs blocking it :).

+
+

This module adds a value enable_eks_fargate which will change the webhook port from 10250 to 9443 which matches the prior default value for external-secrets and is typically an acceptable port value within most clusters firewalls today.

+ + + + + + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/fargate-fluentbit/index.html b/v1.16.1/addons/fargate-fluentbit/index.html new file mode 100644 index 00000000..a95540bd --- /dev/null +++ b/v1.16.1/addons/fargate-fluentbit/index.html @@ -0,0 +1,1213 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Fargate FluentBit - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Fargate FluentBit

+

Amazon EKS on Fargate offers a built-in log router based on Fluent Bit. This means that you don't explicitly run a Fluent Bit container as a sidecar, but Amazon runs it for you. All that you have to do is configure the log router. The configuration happens through a dedicated ConfigMap, that is deployed via this Add-on.

+

Usage

+

To configure the Fargate Fluentbit ConfigMap via the EKS Blueprints Addons, just reference the following parameters under the module.eks_blueprints_addons.

+
module "eks_blueprints_addons" {
+
+  enable_fargate_fluentbit = true
+  fargate_fluentbit = {
+    flb_log_cw = true
+  }
+}
+
+

It's possible to customize the CloudWatch Log Group parameters in the fargate_fluentbit_cw_log_group configuration block:

+
  fargate_fluentbit_cw_log_group = {
+
+  name              = "existing-log-group"
+  name_prefix       = "dev-environment-logs"
+  retention_in_days = 7
+  kms_key_id        = "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
+  skip_destroy      = true
+
+

Validation

+
    +
  1. Check if the aws-logging configMap for Fargate Fluentbit was created.
    2. +
+
kubectl -n aws-observability get configmap aws-logging -o yaml
+apiVersion: v1
+data:
+  filters.conf: |
+    [FILTER]
+      Name parser
+      Match *
+      Key_Name log
+      Parser regex
+      Preserve_Key True
+      Reserve_Data True
+  flb_log_cw: "true"
+  output.conf: |
+    [OUTPUT]
+      Name cloudwatch_logs
+      Match *
+      region us-west-2
+      log_group_name /fargate-serverless/fargate-fluentbit-logs20230509014113352200000006
+      log_stream_prefix fargate-logs-
+      auto_create_group true
+  parsers.conf: |
+    [PARSER]
+      Name regex
+      Format regex
+      Regex ^(?<time>[^ ]+) (?<stream>[^ ]+) (?<logtag>[^ ]+) (?<message>.+)$
+      Time_Key time
+      Time_Format %Y-%m-%dT%H:%M:%S.%L%z
+      Time_Keep On
+      Decode_Field_As json message
+immutable: false
+kind: ConfigMap
+metadata:
+  creationTimestamp: "2023-05-08T21:14:52Z"
+  name: aws-logging
+  namespace: aws-observability
+  resourceVersion: "1795"
+  uid: d822bcf5-a441-4996-857e-7fb1357bc07e
+
+
    +
  1. Validate if the CloudWatch LogGroup was created accordingly, and LogStreams were populated.
    2. +
+
aws logs describe-log-groups --log-group-name-prefix "/fargate-serverless/fargate-fluentbit"
+{
+    "logGroups": [
+        {
+            "logGroupName": "/fargate-serverless/fargate-fluentbit-logs20230509014113352200000006",
+            "creationTime": 1683580491652,
+            "retentionInDays": 90,
+            "metricFilterCount": 0,
+            "arn": "arn:aws:logs:us-west-2:111122223333:log-group:/fargate-serverless/fargate-fluentbit-logs20230509014113352200000006:*",
+            "storedBytes": 0
+        }
+    ]
+}
+
+
aws logs describe-log-streams --log-group-name "/fargate-serverless/fargate-fluentbit-logs20230509014113352200000006" --log-stream-name-prefix fargate-logs --query 'logStreams[].logStreamName'
+[
+    "fargate-logs-flblogs.var.log.fluent-bit.log",
+    "fargate-logs-kube.var.log.containers.aws-load-balancer-controller-7f989fc6c-grjsq_kube-system_aws-load-balancer-controller-feaa22b4cdaa71ecfc8355feb81d4b61ea85598a7bb57aef07667c767c6b98e4.log",
+    "fargate-logs-kube.var.log.containers.aws-load-balancer-controller-7f989fc6c-wzr46_kube-system_aws-load-balancer-controller-69075ea9ab3c7474eac2a1696d3a84a848a151420cd783d79aeef960b181567f.log",
+    "fargate-logs-kube.var.log.containers.coredns-7b7bddbc85-8cxvq_kube-system_coredns-9e4f3ab435269a566bcbaa606c02c146ad58508e67cef09fa87d5c09e4ac0088.log",
+    "fargate-logs-kube.var.log.containers.coredns-7b7bddbc85-gcjwp_kube-system_coredns-11016818361cd68c32bf8f0b1328f3d92a6d7b8cf5879bfe8b301f393cb011cc.log"
+]
+
+

Resources

+

AWS Docs +Fluent Bit for Amazon EKS on AWS Fargate Blog Post

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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/ingress-nginx/index.html b/v1.16.1/addons/ingress-nginx/index.html new file mode 100644 index 00000000..f95bc22b --- /dev/null +++ b/v1.16.1/addons/ingress-nginx/index.html @@ -0,0 +1,1116 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Ingress Nginx - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Ingress Nginx

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This add-on installs Ingress Nginx Controller on Amazon EKS. The Ingress Nginx controller uses Nginx as a reverse proxy and load balancer.

+

Other than handling Kubernetes ingress objects, this ingress controller can facilitate multi-tenancy and segregation of workload ingresses based on host name (host-based routing) and/or URL Path (path based routing).

+

Usage

+

Ingress Nginx Controller can be deployed by enabling the add-on via the following.

+
enable_ingress_nginx = true
+
+

You can optionally customize the Helm chart that deploys ingress-nginx via the following configuration.

+
  enable_ingress_nginx = true
+
+  ingress_nginx = {
+    name          = "ingress-nginx"
+    chart_version = "4.6.1"
+    repository    = "https://kubernetes.github.io/ingress-nginx"
+    namespace     = "ingress-nginx"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify ingress-nginx pods are running.

+
$ kubectl get pods -n ingress-nginx
+NAME                                       READY   STATUS    RESTARTS   AGE
+ingress-nginx-controller-f6c55fdc8-8bt2z   1/1     Running   0          44m
+
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Karpenter

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Prerequisites

+

If deploying a node template that uses spot, please ensure you have the Spot service linked role available in your account. You can run the following command to ensure this role is available:

+
aws iam create-service-linked-role --aws-service-name spot.amazonaws.com || true
+
+

Validate

+

The following command will update the kubeconfig on your local machine and allow you to interact with your EKS Cluster using kubectl to validate the CoreDNS deployment for Fargate.

+
    +
  1. Run update-kubeconfig command:
    2. +
+
aws eks --region <REGION> update-kubeconfig --name <CLUSTER_NAME>
+
+
    +
  1. Test by listing all the pods running currently
    2. +
+
kubectl get pods -n karpenter
+
+# Output should look similar to below
+NAME                         READY   STATUS    RESTARTS   AGE
+karpenter-6f97df4f77-5nqsk   1/1     Running   0          3m28s
+karpenter-6f97df4f77-n7fkf   1/1     Running   0          3m28s
+
+
    +
  1. View the current nodes - this example utilizes EKS Fargate for hosting the Karpenter controller so only Fargate nodes are present currently:
    2. +
+
kubectl get nodes
+
+# Output should look similar to below
+NAME                                                STATUS   ROLES    AGE     VERSION
+fargate-ip-10-0-29-25.us-west-2.compute.internal    Ready    <none>   2m56s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-36-148.us-west-2.compute.internal   Ready    <none>   2m57s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-42-30.us-west-2.compute.internal    Ready    <none>   2m34s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-45-112.us-west-2.compute.internal   Ready    <none>   2m33s   v1.26.3-eks-f4dc2c0
+
+
    +
  1. Create a sample pause deployment to demonstrate scaling:
    2. +
+
kubectl apply -f - <<EOF
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: inflate
+spec:
+  replicas: 0
+  selector:
+    matchLabels:
+      app: inflate
+  template:
+    metadata:
+      labels:
+        app: inflate
+    spec:
+      terminationGracePeriodSeconds: 0
+      containers:
+        - name: inflate
+          image: public.ecr.aws/eks-distro/kubernetes/pause:3.7
+          resources:
+            requests:
+              cpu: 1
+EOF
+
+
    +
  1. Scale up the sample pause deployment to see Karpenter respond by provisioning nodes to support the workload:
    2. +
+
kubectl scale deployment inflate --replicas 5
+# To view logs
+# kubectl logs -f -n karpenter -l app.kubernetes.io/name=karpenter -c controller
+
+
    +
  1. Re-check the nodes, you will now see a new EC2 node provisioned to support the scaled workload:
    2. +
+
kubectl get nodes
+
+# Output should look similar to below
+NAME                                                STATUS   ROLES    AGE     VERSION
+fargate-ip-10-0-29-25.us-west-2.compute.internal    Ready    <none>   5m15s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-36-148.us-west-2.compute.internal   Ready    <none>   5m16s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-42-30.us-west-2.compute.internal    Ready    <none>   4m53s   v1.26.3-eks-f4dc2c0
+fargate-ip-10-0-45-112.us-west-2.compute.internal   Ready    <none>   4m52s   v1.26.3-eks-f4dc2c0
+ip-10-0-1-184.us-west-2.compute.internal            Ready    <none>   26s     v1.26.2-eks-a59e1f0 # <= new EC2 node launched
+
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  1. Remove the sample pause deployment:
    2. +
+
kubectl delete deployment inflate
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/kube-prometheus-stack/index.html b/v1.16.1/addons/kube-prometheus-stack/index.html new file mode 100644 index 00000000..44a10461 --- /dev/null +++ b/v1.16.1/addons/kube-prometheus-stack/index.html @@ -0,0 +1,1120 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Kube Prometheus Stack - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Kube Prometheus Stack

+

Kube Prometheus Stack is a collection of Kubernetes manifests, Grafana dashboards, and Prometheus rules combined with documentation and scripts to provide easy to operate end-to-end Kubernetes cluster monitoring with Prometheus using the Prometheus Operator.

+

Usage

+

Kube Prometheus Stack can be deployed by enabling the add-on via the following.

+
enable_kube_prometheus_stack = true
+
+

You can optionally customize the Helm chart that deploys Kube Prometheus Stack via the following configuration.

+
  enable_kube_prometheus_stack = true
+
+  kube_prometheus_stack = {
+    name          = "kube-prometheus-stack"
+    chart_version = "51.2.0"
+    repository    = "https://prometheus-community.github.io/helm-charts"
+    namespace     = "kube-prometheus-stack"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify kube-prometheus-stack pods are running.

+
$ kubectl get pods -n external-secrets
+NAME                                                        READY   STATUS    RESTARTS       AGE
+alertmanager-kube-prometheus-stack-alertmanager-0           2/2     Running   3 (2d2h ago)   2d7h
+kube-prometheus-stack-grafana-5c6cf88fd9-8wc9k              3/3     Running   3 (2d2h ago)   2d7h
+kube-prometheus-stack-kube-state-metrics-584d8b5d5f-s6p8d   1/1     Running   1 (2d2h ago)   2d7h
+kube-prometheus-stack-operator-c74ddccb5-8cprr              1/1     Running   1 (2d2h ago)   2d7h
+kube-prometheus-stack-prometheus-node-exporter-vd8lw        1/1     Running   1 (2d2h ago)   2d7h
+prometheus-kube-prometheus-stack-prometheus-0               2/2     Running   2 (2d2h ago)   2d7h
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/metrics-server/index.html b/v1.16.1/addons/metrics-server/index.html new file mode 100644 index 00000000..9d4b17f9 --- /dev/null +++ b/v1.16.1/addons/metrics-server/index.html @@ -0,0 +1,1116 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Metrics Server - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Metrics Server

+

Metrics Server is a scalable, efficient source of container resource metrics for Kubernetes built-in autoscaling pipelines.

+

Metrics Server collects resource metrics from Kubelets and exposes them in Kubernetes apiserver through Metrics API for use by Horizontal Pod Autoscaler and Vertical Pod Autoscaler. Metrics API can also be accessed by kubectl top, making it easier to debug autoscaling pipelines.

+

Usage

+

Metrics Server can be deployed by enabling the add-on via the following.

+
enable_metrics_server = true
+
+

You can optionally customize the Helm chart that deploys External DNS via the following configuration.

+
  enable_metrics_server = true
+
+  metrics_server = {
+    name          = "metrics-server"
+    chart_version = "3.10.0"
+    repository    = "https://kubernetes-sigs.github.io/metrics-server/"
+    namespace     = "kube-system"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify metrics-server pods are running.

+
$ kubectl get pods -n kube-system
+NAME                                   READY   STATUS    RESTARTS       AGE
+metrics-server-6f9cdd486c-njh8b        1/1     Running   1 (2d2h ago)   2d7h
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OPA Gatekeeper

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Gatekeeper is an admission controller that validates requests to create and update Pods on Kubernetes clusters, using the Open Policy Agent (OPA). Using Gatekeeper allows administrators to define policies with a constraint, which is a set of conditions that permit or deny deployment behaviors in Kubernetes.

+

For complete project documentation, please visit the Gatekeeper. +For reference templates refer Templates

+

Usage

+

Gatekeeper can be deployed by enabling the add-on via the following.

+
enable_gatekeeper = true
+
+

You can also customize the Helm chart that deploys gatekeeper via the following configuration:

+
  enable_gatekeeper = true
+
+  gatekeeper = {
+    name          = "gatekeeper"
+    chart_version = "3.12.0"
+    repository    = "https://open-policy-agent.github.io/gatekeeper/charts"
+    namespace     = "gatekeeper-system"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+ + + + + + +
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+ + +
+ +
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/secrets-store-csi-driver-provider-aws/index.html b/v1.16.1/addons/secrets-store-csi-driver-provider-aws/index.html new file mode 100644 index 00000000..dea5aaf4 --- /dev/null +++ b/v1.16.1/addons/secrets-store-csi-driver-provider-aws/index.html @@ -0,0 +1,1118 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + AWS Secrets Manager and Config Provider for Secret Store CSI Driver - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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AWS Secrets Manager and Config Provider for Secret Store CSI Driver

+

AWS offers two services to manage secrets and parameters conveniently in your code. AWS Secrets Manager allows you to easily rotate, manage, and retrieve database credentials, API keys, certificates, and other secrets throughout their lifecycle. AWS Systems Manager Parameter Store provides hierarchical storage for configuration data. The AWS provider for the Secrets Store CSI Driver allows you to make secrets stored in Secrets Manager and parameters stored in Parameter Store appear as files mounted in Kubernetes pods.

+

Usage

+

AWS Secrets Store CSI Driver can be deployed by enabling the add-on via the following.

+
enable_secrets_store_csi_driver              = true
+enable_secrets_store_csi_driver_provider_aws = true
+
+

You can optionally customize the Helm chart via the following configuration.

+
  enable_secrets_store_csi_driver              = true
+  enable_secrets_store_csi_driver_provider_aws = true
+
+  secrets_store_csi_driver_provider_aws = {
+    name          = "secrets-store-csi-driver"
+    chart_version = "0.3.2"
+    repository    = "https://aws.github.io/secrets-store-csi-driver-provider-aws"
+    namespace     = "kube-system"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
+
+

Verify metrics-server pods are running.

+
$ kubectl get pods -n kube-system
+NAME                                         READY   STATUS    RESTARTS       AGE
+secrets-store-csi-driver-9l2z8               3/3     Running   1 (2d5h ago)   2d9h
+secrets-store-csi-driver-provider-aws-2qqkk  1/1     Running   1 (2d5h ago)   2d9h
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Velero

+

Velero is an open source tool to safely backup and restore, perform disaster recovery, and migrate Kubernetes cluster resources and persistent volumes.

+ +

Usage

+

Velero can be deployed by enabling the add-on via the following.

+
enable_velero           = true
+velero_backup_s3_bucket = "<YOUR_BUCKET_NAME>"
+velero = {
+    s3_backup_location = "<YOUR_S3_BUCKET_ARN>[/prefix]"
+  }
+
+

You can also customize the Helm chart that deploys velero via the following configuration:

+
enable_velero           = true
+
+velero = {
+  name          = "velero"
+  description   = "A Helm chart for velero"
+  chart_version = "3.1.6"
+  repository    = "https://vmware-tanzu.github.io/helm-charts/"
+  namespace     = "velero"
+  values        = [templatefile("${path.module}/values.yaml", {})]
+}
+
+

To see a working example, see the stateful example blueprint.

+

Validate

+
    +
  1. Run update-kubeconfig command:
    2. +
+
aws eks --region <REGION> update-kubeconfig --name <CLUSTER_NAME>
+
+
    +
  1. Test by listing velero resources provisioned:
    2. +
+
kubectl get all -n velero
+
+# Output should look similar to below
+NAME                         READY   STATUS    RESTARTS   AGE
+pod/velero-7b8994d56-z89sl   1/1     Running   0          25h
+
+NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
+service/velero   ClusterIP   172.20.20.118   <none>        8085/TCP   25h
+
+NAME                     READY   UP-TO-DATE   AVAILABLE   AGE
+deployment.apps/velero   1/1     1            1           25h
+
+NAME                               DESIRED   CURRENT   READY   AGE
+replicaset.apps/velero-7b8994d56   1         1         1       25h
+
+
    +
  1. Get backup location using velero CLI
    2. +
+
velero backup-location get
+
+# Output should look similar to below
+NAME      PROVIDER   BUCKET/PREFIX                                 PHASE       LAST VALIDATED                  ACCESS MODE   DEFAULT
+default   aws        stateful-20230503175301619800000005/backups   Available   2023-05-04 15:15:00 -0400 EDT   ReadWrite     true
+
+
    +
  1. To demonstrate creating a backup and restoring, create a new namespace and run nginx using below commands:
    2. +
+
kubectl create namespace backupdemo
+kubectl run nginx --image=nginx -n backupdemo
+
+
    +
  1. Create backup of this namespace using velero
    2. +
+
velero backup create backup1 --include-namespaces backupdemo
+
+# Output should look similar to below
+Backup request "backup1" submitted successfully.
+Run `velero backup describe backup1` or `velero backup logs backup1` for more details.
+
+
    +
  1. Describe the backup to check the backup status
    2. +
+
velero backup describe backup1
+
+# Output should look similar to below
+Name:         backup1
+Namespace:    velero
+Labels:       velero.io/storage-location=default
+Annotations:  velero.io/source-cluster-k8s-gitversion=v1.26.2-eks-a59e1f0
+              velero.io/source-cluster-k8s-major-version=1
+              velero.io/source-cluster-k8s-minor-version=26+
+
+Phase:  Completed
+
+
+Namespaces:
+  Included:  backupdemo
+  Excluded:  <none>
+
+Resources:
+  Included:        *
+  Excluded:        <none>
+  Cluster-scoped:  auto
+
+Label selector:  <none>
+
+Storage Location:  default
+
+Velero-Native Snapshot PVs:  auto
+
+TTL:  720h0m0s
+
+CSISnapshotTimeout:    10m0s
+ItemOperationTimeout:  0s
+
+Hooks:  <none>
+
+Backup Format Version:  1.1.0
+
+Started:    2023-05-04 15:16:31 -0400 EDT
+Completed:  2023-05-04 15:16:33 -0400 EDT
+
+Expiration:  2023-06-03 15:16:31 -0400 EDT
+
+Total items to be backed up:  9
+Items backed up:              9
+
+Velero-Native Snapshots: <none included>
+
+
    +
  1. Delete the namespace - this will be restored using the backup created
    2. +
+
kubectl delete namespace backupdemo
+
+
    +
  1. Restore the namespace from your backup
    2. +
+
velero restore create --from-backup backup1
+
+
    +
  1. Verify that the namespace is restored
    2. +
+
kubectl get all -n backupdemo
+
+# Output should look similar to below
+NAME        READY   STATUS    RESTARTS   AGE
+pod/nginx   1/1     Running   0          21s
+
+ + + + + + +
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+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/addons/vertical-pod-autoscaler/index.html b/v1.16.1/addons/vertical-pod-autoscaler/index.html new file mode 100644 index 00000000..dbf19301 --- /dev/null +++ b/v1.16.1/addons/vertical-pod-autoscaler/index.html @@ -0,0 +1,1111 @@ + + + + + + + + + + + + + + + + + + + + + + + + + Vertical Pod Autoscaler - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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Vertical Pod Autoscaler

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VPA Vertical Pod Autoscaler (VPA) automatically adjusts the CPU and memory reservations for your pods to help "right size" your applications. When configured, it will automatically request the necessary reservations based on usage and thus allow proper scheduling onto nodes so that the appropriate resource amount is available for each pod. It will also maintain ratios between limits and requests that were specified in initial container configuration.

+

NOTE: Metrics Server add-on is a dependency for this addon

+

Usage

+

This step deploys the Vertical Pod Autoscaler with default Helm Chart config

+
  enable_vpa            = true
+  enable_metrics_server = true
+
+

You can also customize the Helm chart that deploys vpa via the following configuration:

+
  enable_vpa = true
+  enable_metrics_server = true
+
+  vpa = {
+    name          = "vpa"
+    chart_version = "1.7.5"
+    repository    = "https://charts.fairwinds.com/stable"
+    namespace     = "vpa"
+    values        = [templatefile("${path.module}/values.yaml", {})]
+  }
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Amazon EKS Add-ons

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The Amazon EKS add-on implementation is generic and can be used to deploy any add-on supported by the EKS API; either native EKS addons or third party add-ons supplied via the AWS Marketplace.

+

See the EKS documentation for more details on EKS addon-ons, including the list of Amazon EKS add-ons from Amazon EKS, as well as Additional Amazon EKS add-ons from independent software vendors.

+

Architecture Support

+

The Amazon EKS provided add-ons listed below support both x86_64/amd64 and arm64 architectures. Third party add-ons that are available via the AWS Marketplace will vary based on the support provided by the add-on vendor. No additional changes are required to add-on configurations when switching between x86_64/amd64 and arm64 architectures; Amazon EKS add-ons utilize multi-architecture container images to support this functionality.

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Add-onx86_64/amd64arm64
vpc-cni✅✅
aws-ebs-csi-driver✅✅
coredns✅✅
kube-proxy✅✅
adot✅✅
aws-guardduty-agent✅✅
+

Usage

+

The Amazon EKS add-ons are provisioned via a generic interface behind the eks_addons argument which accepts a map of add-on configurations. The generic interface for an add-on is defined below for reference:

+
module "eks_blueprints_addons" {
+  source = "aws-ia/eks-blueprints-addons/aws"
+
+  # ... truncated for brevity
+
+  eks_addons = {
+    <key> = {
+      name = string # Optional - <key> is used if `name` is not set
+
+      most_recent          = bool
+      addon_version        = string # overrides `most_recent` if set
+      configuration_values = string # JSON string
+
+      preserve                    = bool # defaults to `true`
+      resolve_conflicts_on_create = string # defaults to `OVERWRITE`
+      resolve_conflicts_on_update = string # defaults to `OVERWRITE`
+
+      timeouts = {
+        create = string # optional
+        update = string # optional
+        delete = string # optional
+      }
+
+      tags = map(string)
+    }
+  }
+}
+
+

Example

+
module "eks_blueprints_addons" {
+  source = "aws-ia/eks-blueprints-addons/aws"
+
+  # ... truncated for brevity
+
+  eks_addons = {
+    # Amazon EKS add-ons
+    aws-ebs-csi-driver = {
+      most_recent              = true
+      service_account_role_arn = module.ebs_csi_driver_irsa.iam_role_arn
+    }
+
+    coredns = {
+      most_recent = true
+
+      timeouts = {
+        create = "25m"
+        delete = "10m"
+      }
+    }
+
+    vpc-cni = {
+      most_recent              = true
+      service_account_role_arn = module.vpc_cni_irsa.iam_role_arn
+    }
+
+    kube-proxy = {}
+
+    # Third party add-ons via AWS Marketplace
+    kubecost_kubecost = {
+      most_recent = true
+    }
+
+    teleport_teleport = {
+      most_recent = true
+    }
+  }
+}
+
+

Configuration Values

+

You can supply custom configuration values to each addon via the configuration_values argument of the add-on definition. The value provided must be a JSON encoded string and adhere to the JSON scheme provided by the version of the add-on. You can view this schema using the awscli by supplying the add-on name and version to the describe-addon-configuration command:

+
aws eks describe-addon-configuration \
+--addon-name coredns \
+--addon-version v1.10.1-eksbuild.2 \
+--query 'configurationSchema' \
+--output text | jq
+
+

Which returns the formatted JSON schema like below:

+
{
+  "$ref": "#/definitions/Coredns",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "definitions": {
+    "Coredns": {
+      "additionalProperties": false,
+      "properties": {
+        "affinity": {
+          "default": {
+            "affinity": {
+              "nodeAffinity": {
+                "requiredDuringSchedulingIgnoredDuringExecution": {
+                  "nodeSelectorTerms": [
+                    {
+                      "matchExpressions": [
+                        {
+                          "key": "kubernetes.io/os",
+                          "operator": "In",
+                          "values": [
+                            "linux"
+                          ]
+                        },
+                        {
+                          "key": "kubernetes.io/arch",
+                          "operator": "In",
+                          "values": [
+                            "amd64",
+                            "arm64"
+                          ]
+                        }
+                      ]
+                    }
+                  ]
+                }
+              },
+              "podAntiAffinity": {
+                "preferredDuringSchedulingIgnoredDuringExecution": [
+                  {
+                    "podAffinityTerm": {
+                      "labelSelector": {
+                        "matchExpressions": [
+                          {
+                            "key": "k8s-app",
+                            "operator": "In",
+                            "values": [
+                              "kube-dns"
+                            ]
+                          }
+                        ]
+                      },
+                      "topologyKey": "kubernetes.io/hostname"
+                    },
+                    "weight": 100
+                  }
+                ]
+              }
+            }
+          },
+          "description": "Affinity of the coredns pods",
+          "type": [
+            "object",
+            "null"
+          ]
+        },
+        "computeType": {
+          "type": "string"
+        },
+        "corefile": {
+          "description": "Entire corefile contents to use with installation",
+          "type": "string"
+        },
+        "nodeSelector": {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        "replicaCount": {
+          "type": "integer"
+        },
+        "resources": {
+          "$ref": "#/definitions/Resources"
+        },
+        "tolerations": {
+          "default": [
+            {
+              "key": "CriticalAddonsOnly",
+              "operator": "Exists"
+            },
+            {
+              "key": "node-role.kubernetes.io/master",
+              "operator": "NoSchedule"
+            }
+          ],
+          "description": "Tolerations of the coredns pod",
+          "items": {
+            "type": "object"
+          },
+          "type": "array"
+        },
+        "topologySpreadConstraints": {
+          "description": "The coredns pod topology spread constraints",
+          "type": "array"
+        }
+      },
+      "title": "Coredns",
+      "type": "object"
+    },
+    "Limits": {
+      "additionalProperties": false,
+      "properties": {
+        "cpu": {
+          "type": "string"
+        },
+        "memory": {
+          "type": "string"
+        }
+      },
+      "title": "Limits",
+      "type": "object"
+    },
+    "Resources": {
+      "additionalProperties": false,
+      "properties": {
+        "limits": {
+          "$ref": "#/definitions/Limits"
+        },
+        "requests": {
+          "$ref": "#/definitions/Limits"
+        }
+      },
+      "title": "Resources",
+      "type": "object"
+    }
+  }
+}
+
+

You can supply the configuration values to the add-on by passing a map of the values wrapped in the jsonencode() function as shown below:

+
module "eks_blueprints_addons" {
+  source = "aws-ia/eks-blueprints-addons/aws"
+
+  # ... truncated for brevity
+
+  eks_addons = {
+     coredns = {
+      most_recent = true
+      configuration_values = jsonencode({
+        replicaCount = 4
+        tolerations = [
+        {
+          key      = "dedicated",
+          operator = "Equal",
+          effect   = "NoSchedule",
+          value    = "orchestration-seb"
+        }
+        ]
+
+        topologySpreadConstraints = [
+          {
+            maxSkew = 1
+            topologyKey = "topology.kubernetes.io/zone"
+            whenUnsatisfiable = "ScheduleAnyway"
+            labelSelector = {
+              matchLabels = {
+                k8s-app: "kube-dns"
+              }
+            }
+          }
+        ]
+
+        affinity = {
+          nodeAffinity = {
+            requiredDuringSchedulingIgnoredDuringExecution = {
+              nodeSelectorTerms = [
+              {
+                matchExpressions = [
+                  {
+                    key = "kubernetes.io/os"
+                    operator = "In"
+                    values = ["linux"]
+                  },
+                  {
+                    key = "kubernetes.io/arch"
+                    operator = "In"
+                    values = ["amd64"]
+                  }
+                ]
+              }]
+            }
+          }
+
+          podAffinity = {
+            requiredDuringSchedulingIgnoredDuringExecution = [{
+                labelSelector = {
+                  matchExpressions = [
+                    {
+                      key = "k8s-app"
+                      operator = "NotIn"
+                      values = ["kube-dns"]
+                    }
+                  ]
+                }
+                topologyKey = "kubernetes.io/hostname"
+            }
+            ]
+          }
+
+          podAntiAffinity = {
+            preferredDuringSchedulingIgnoredDuringExecution = [{
+              podAffinityTerm = {
+                labelSelector = {
+                  matchExpressions = [
+                    {
+                      key = "k8s-app"
+                      operator = "In"
+                      values = ["kube-dns"]
+                    }
+                  ]
+                }
+                topologyKey = "kubernetes.io/hostname"
+              }
+              weight = 100
+              }
+            ]
+
+            requiredDuringSchedulingIgnoredDuringExecution = [{
+                labelSelector = {
+                  matchExpressions = [
+                    {
+                      key = "k8s-app"
+                      operator = "In"
+                      values = ["kube-dns"]
+                    }
+                  ]
+                }
+                topologyKey = "kubernetes.io/hostname"
+              }
+            ]
+          }
+
+        }
+
+        resources = {
+          limits = {
+            cpu    = "100m"
+            memory = "150Mi"
+          }
+          requests = {
+            cpu    = "100m"
+            memory = "150Mi"
+        }
+      })
+    }
+
+ + + + + + +
+
+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/architectures/index.html b/v1.16.1/architectures/index.html new file mode 100644 index 00000000..ed07889b --- /dev/null +++ b/v1.16.1/architectures/index.html @@ -0,0 +1,1276 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + Architectures - Amazon EKS Blueprints Addons + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + + + +
+ + + + +
+ +
+ + + + +
+
+ + + +
+
+
+ + + + + +
+
+
+ + + +
+
+
+ + + +
+
+
+ + + +
+
+ + + + + + + +

Architectures

+ +

Addons

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Addonx86_64/amd64arm64
Argo Rollouts✅✅
Argo Workflows✅✅
Argo CD✅✅
AWS CloudWatch Metrics✅✅
AWS EFS CSI Driver✅✅
AWS for FluentBit✅✅
AWS FSx CSI Driver✅✅
AWS Load Balancer Controller✅✅
AWS Node Termination Handler✅✅
AWS Private CA Issuer✅✅
Cert Manager✅✅
Cluster Autoscaler✅✅
Cluster Proportional Autoscaler✅✅
External DNS✅✅
External Secrets✅✅
OPA Gatekeeper✅✅
Ingress Nginx✅✅
Karpenter✅✅
Kube-Prometheus Stack✅✅
Metrics Server✅✅
Secrets Store CSI Driver✅✅
Secrets Store CSI Driver Provider AWS✅✅
Velero✅✅
Vertical Pod Autoscaler✅✅
+

Amazon EKS Addons

+

The Amazon EKS provided add-ons listed below support both x86_64/amd64 and arm64 architectures. Third party add-ons that are available via the AWS Marketplace will vary based on the support provided by the add-on vendor. No additional changes are required to add-on configurations when switching between x86_64/amd64 and arm64 architectures; Amazon EKS add-ons utilize multi-architecture container images to support this functionality. These addons are specified via the eks_addons input variable.

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Addonx86_64/amd64arm64
AWS VPC CNI✅✅
AWS EBS CSI Driver✅✅
CoreDNS✅✅
Kube-proxy✅✅
ADOT Collector✅✅
AWS GuardDuty Agent✅✅
+ + + + + + +
+
+ + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/v1.16.1/assets/images/favicon.png b/v1.16.1/assets/images/favicon.png new file mode 100644 index 00000000..1cf13b9f Binary files /dev/null and b/v1.16.1/assets/images/favicon.png differ diff --git a/v1.16.1/assets/javascripts/bundle.aecac24b.min.js b/v1.16.1/assets/javascripts/bundle.aecac24b.min.js new file mode 100644 index 00000000..464603d8 --- /dev/null +++ b/v1.16.1/assets/javascripts/bundle.aecac24b.min.js @@ -0,0 +1,29 @@ +"use strict";(()=>{var wi=Object.create;var ur=Object.defineProperty;var Si=Object.getOwnPropertyDescriptor;var Ti=Object.getOwnPropertyNames,kt=Object.getOwnPropertySymbols,Oi=Object.getPrototypeOf,dr=Object.prototype.hasOwnProperty,Zr=Object.prototype.propertyIsEnumerable;var Xr=(e,t,r)=>t in e?ur(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r,R=(e,t)=>{for(var r in t||(t={}))dr.call(t,r)&&Xr(e,r,t[r]);if(kt)for(var r of kt(t))Zr.call(t,r)&&Xr(e,r,t[r]);return e};var eo=(e,t)=>{var r={};for(var o in e)dr.call(e,o)&&t.indexOf(o)<0&&(r[o]=e[o]);if(e!=null&&kt)for(var o of kt(e))t.indexOf(o)<0&&Zr.call(e,o)&&(r[o]=e[o]);return r};var hr=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports);var Mi=(e,t,r,o)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of Ti(t))!dr.call(e,n)&&n!==r&&ur(e,n,{get:()=>t[n],enumerable:!(o=Si(t,n))||o.enumerable});return e};var Ht=(e,t,r)=>(r=e!=null?wi(Oi(e)):{},Mi(t||!e||!e.__esModule?ur(r,"default",{value:e,enumerable:!0}):r,e));var ro=hr((br,to)=>{(function(e,t){typeof br=="object"&&typeof to!="undefined"?t():typeof define=="function"&&define.amd?define(t):t()})(br,function(){"use strict";function e(r){var o=!0,n=!1,i=null,s={text:!0,search:!0,url:!0,tel:!0,email:!0,password:!0,number:!0,date:!0,month:!0,week:!0,time:!0,datetime:!0,"datetime-local":!0};function a(C){return!!(C&&C!==document&&C.nodeName!=="HTML"&&C.nodeName!=="BODY"&&"classList"in C&&"contains"in C.classList)}function c(C){var it=C.type,Ne=C.tagName;return!!(Ne==="INPUT"&&s[it]&&!C.readOnly||Ne==="TEXTAREA"&&!C.readOnly||C.isContentEditable)}function p(C){C.classList.contains("focus-visible")||(C.classList.add("focus-visible"),C.setAttribute("data-focus-visible-added",""))}function l(C){C.hasAttribute("data-focus-visible-added")&&(C.classList.remove("focus-visible"),C.removeAttribute("data-focus-visible-added"))}function f(C){C.metaKey||C.altKey||C.ctrlKey||(a(r.activeElement)&&p(r.activeElement),o=!0)}function u(C){o=!1}function d(C){a(C.target)&&(o||c(C.target))&&p(C.target)}function v(C){a(C.target)&&(C.target.classList.contains("focus-visible")||C.target.hasAttribute("data-focus-visible-added"))&&(n=!0,window.clearTimeout(i),i=window.setTimeout(function(){n=!1},100),l(C.target))}function b(C){document.visibilityState==="hidden"&&(n&&(o=!0),z())}function z(){document.addEventListener("mousemove",G),document.addEventListener("mousedown",G),document.addEventListener("mouseup",G),document.addEventListener("pointermove",G),document.addEventListener("pointerdown",G),document.addEventListener("pointerup",G),document.addEventListener("touchmove",G),document.addEventListener("touchstart",G),document.addEventListener("touchend",G)}function K(){document.removeEventListener("mousemove",G),document.removeEventListener("mousedown",G),document.removeEventListener("mouseup",G),document.removeEventListener("pointermove",G),document.removeEventListener("pointerdown",G),document.removeEventListener("pointerup",G),document.removeEventListener("touchmove",G),document.removeEventListener("touchstart",G),document.removeEventListener("touchend",G)}function G(C){C.target.nodeName&&C.target.nodeName.toLowerCase()==="html"||(o=!1,K())}document.addEventListener("keydown",f,!0),document.addEventListener("mousedown",u,!0),document.addEventListener("pointerdown",u,!0),document.addEventListener("touchstart",u,!0),document.addEventListener("visibilitychange",b,!0),z(),r.addEventListener("focus",d,!0),r.addEventListener("blur",v,!0),r.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&r.host?r.host.setAttribute("data-js-focus-visible",""):r.nodeType===Node.DOCUMENT_NODE&&(document.documentElement.classList.add("js-focus-visible"),document.documentElement.setAttribute("data-js-focus-visible",""))}if(typeof window!="undefined"&&typeof document!="undefined"){window.applyFocusVisiblePolyfill=e;var t;try{t=new CustomEvent("focus-visible-polyfill-ready")}catch(r){t=document.createEvent("CustomEvent"),t.initCustomEvent("focus-visible-polyfill-ready",!1,!1,{})}window.dispatchEvent(t)}typeof document!="undefined"&&e(document)})});var Vr=hr((Ot,Dr)=>{/*! 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"src/templates/assets/javascripts/components/source/facts/gitlab/index.ts", "src/templates/assets/javascripts/components/source/facts/_/index.ts", "src/templates/assets/javascripts/components/source/_/index.ts", "src/templates/assets/javascripts/components/tabs/index.ts", "src/templates/assets/javascripts/components/toc/index.ts", "src/templates/assets/javascripts/components/top/index.ts", "src/templates/assets/javascripts/patches/indeterminate/index.ts", "src/templates/assets/javascripts/patches/scrollfix/index.ts", "src/templates/assets/javascripts/patches/scrolllock/index.ts", "src/templates/assets/javascripts/polyfills/index.ts"], + "sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n try {\n return document.execCommand(type);\n } catch (err) {\n return false;\n }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n var selectedText = select_default()(target);\n command('cut');\n return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n fakeElement.style.fontSize = '12pt'; // Reset box model\n\n fakeElement.style.border = '0';\n fakeElement.style.padding = '0';\n fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n fakeElement.style.position = 'absolute';\n fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2023 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getActiveElement,\n getOptionalElement,\n requestJSON,\n setLocation,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchScript,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountProgress,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantNavigation,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable {\n if (location.protocol === \"file:\") {\n return watchScript(\n `${new URL(\"search/search_index.js\", config.base)}`\n )\n .pipe(\n // @ts-ignore - @todo fix typings\n map(() => __index),\n shareReplay(1)\n )\n } else {\n return requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? fetchSearchIndex()\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantNavigation({ location$, viewport$, progress$ })\n .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"link[rel=prev]\")\n if (typeof prev !== \"undefined\")\n setLocation(prev)\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"link[rel=next]\")\n if (typeof next !== \"undefined\")\n setLocation(next)\n break\n\n /* Expand navigation, see https://bit.ly/3ZjG5io */\n case \"Enter\":\n const active = getActiveElement()\n if (active instanceof HTMLLabelElement)\n active.click()\n }\n })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Progress bar */\n ...getComponentElements(\"progress\")\n .map(el => mountProgress(el, { progress$ })),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, {\n viewport$, header$, main$, target$\n })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.progress$ = progress$ /* Progress indicator subject */\nwindow.component$ = component$ /* Component observable */\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from, pack) {\r\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\r\n if (ar || !(i in from)) {\r\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\r\n ar[i] = from[i];\r\n }\r\n }\r\n return to.concat(ar || Array.prototype.slice.call(from));\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass(createImpl: (_super: any) => any): T {\n const _super = (instance: any) => {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n\n const ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n (_super) =>\n function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n _super(this);\n this.message = errors\n ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n ')}`\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove(arr: T[] | undefined | null, item: T) {\n if (arr) {\n const index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n *\n * @class Subscription\n */\nexport class Subscription implements SubscriptionLike {\n /** @nocollapse */\n public static EMPTY = (() => {\n const empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n\n /**\n * A flag to indicate whether this Subscription has already been unsubscribed.\n */\n public closed = false;\n\n private _parentage: Subscription[] | Subscription | null = null;\n\n /**\n * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n * list occurs in the {@link #add} and {@link #remove} methods.\n */\n private _finalizers: Exclude[] | null = null;\n\n /**\n * @param initialTeardown A function executed first as part of the finalization\n * process that is kicked off when {@link #unsubscribe} is called.\n */\n constructor(private initialTeardown?: () => void) {}\n\n /**\n * Disposes the resources held by the subscription. May, for instance, cancel\n * an ongoing Observable execution or cancel any other type of work that\n * started when the Subscription was created.\n * @return {void}\n */\n unsubscribe(): void {\n let errors: any[] | undefined;\n\n if (!this.closed) {\n this.closed = true;\n\n // Remove this from it's parents.\n const { _parentage } = this;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n for (const parent of _parentage) {\n parent.remove(this);\n }\n } else {\n _parentage.remove(this);\n }\n }\n\n const { initialTeardown: initialFinalizer } = this;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n } catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n\n const { _finalizers } = this;\n if (_finalizers) {\n this._finalizers = null;\n for (const finalizer of _finalizers) {\n try {\n execFinalizer(finalizer);\n } catch (err) {\n errors = errors ?? [];\n if (err instanceof UnsubscriptionError) {\n errors = [...errors, ...err.errors];\n } else {\n errors.push(err);\n }\n }\n }\n }\n\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n }\n\n /**\n * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n * because it has already been unsubscribed, then whatever finalizer is passed to it\n * will automatically be executed (unless the finalizer itself is also a closed subscription).\n *\n * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n * subscription to a any subscription will result in no operation. (A noop).\n *\n * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n * operation at all. (A noop).\n *\n * `Subscription` instances that are added to this instance will automatically remove themselves\n * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n * will need to be removed manually with {@link #remove}\n *\n * @param teardown The finalization logic to add to this subscription.\n */\n add(teardown: TeardownLogic): void {\n // Only add the finalizer if it's not undefined\n // and don't add a subscription to itself.\n if (teardown && teardown !== this) {\n if (this.closed) {\n // If this subscription is already closed,\n // execute whatever finalizer is handed to it automatically.\n execFinalizer(teardown);\n } else {\n if (teardown instanceof Subscription) {\n // We don't add closed subscriptions, and we don't add the same subscription\n // twice. Subscription unsubscribe is idempotent.\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = this._finalizers ?? []).push(teardown);\n }\n }\n }\n\n /**\n * Checks to see if a this subscription already has a particular parent.\n * This will signal that this subscription has already been added to the parent in question.\n * @param parent the parent to check for\n */\n private _hasParent(parent: Subscription) {\n const { _parentage } = this;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n }\n\n /**\n * Adds a parent to this subscription so it can be removed from the parent if it\n * unsubscribes on it's own.\n *\n * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n * @param parent The parent subscription to add\n */\n private _addParent(parent: Subscription) {\n const { _parentage } = this;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n }\n\n /**\n * Called on a child when it is removed via {@link #remove}.\n * @param parent The parent to remove\n */\n private _removeParent(parent: Subscription) {\n const { _parentage } = this;\n if (_parentage === parent) {\n this._parentage = null;\n } else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n }\n\n /**\n * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n *\n * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n * from every other `Subscription` they have been added to. This means that using the `remove` method\n * is not a common thing and should be used thoughtfully.\n *\n * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n * more than once, you will need to call `remove` the same number of times to remove all instances.\n *\n * All finalizer instances are removed to free up memory upon unsubscription.\n *\n * @param teardown The finalizer to remove from this subscription\n */\n remove(teardown: Exclude): void {\n const { _finalizers } = this;\n _finalizers && arrRemove(_finalizers, teardown);\n\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n return (\n value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n if (isFunction(finalizer)) {\n finalizer();\n } else {\n finalizer.unsubscribe();\n }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n /**\n * A registration point for unhandled errors from RxJS. These are errors that\n * cannot were not handled by consuming code in the usual subscription path. For\n * example, if you have this configured, and you subscribe to an observable without\n * providing an error handler, errors from that subscription will end up here. This\n * will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onUnhandledError: ((err: any) => void) | null;\n\n /**\n * A registration point for notifications that cannot be sent to subscribers because they\n * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n * might want a different behavior. For example, with sources that attempt to report errors\n * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n * This will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onStoppedNotification: ((notification: ObservableNotification, subscriber: Subscriber) => void) | null;\n\n /**\n * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n * methods.\n *\n * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n * Promise constructor. If you need a Promise implementation other than native promises,\n * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n */\n Promise?: PromiseConstructorLike;\n\n /**\n * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n * call in a try/catch block. It also enables producer interference, a nasty bug\n * where a multicast can be broken for all observers by a downstream consumer with\n * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n * FOR MIGRATION REASONS.\n *\n * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n * behaviors described above. Will be removed in v8.\n */\n useDeprecatedSynchronousErrorHandling: boolean;\n\n /**\n * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n * `unsubscribe()` via `this` context in `next` functions created in observers passed\n * to `subscribe`.\n *\n * This is being removed because the performance was severely problematic, and it could also cause\n * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n * their `this` context overwritten.\n *\n * @deprecated As of version 8, RxJS will no longer support altering the\n * context of next functions provided as part of an observer to Subscribe. Instead,\n * you will have access to a subscription or a signal or token that will allow you to do things like\n * unsubscribe and test closed status. Will be removed in v8.\n */\n useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n delegate:\n | {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n }\n | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setTimeout(handler: () => void, timeout?: number, ...args) {\n const { delegate } = timeoutProvider;\n if (delegate?.setTimeout) {\n return delegate.setTimeout(handler, timeout, ...args);\n }\n return setTimeout(handler, timeout, ...args);\n },\n clearTimeout(handle) {\n const { delegate } = timeoutProvider;\n return (delegate?.clearTimeout || clearTimeout)(handle as any);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n timeoutProvider.setTimeout(() => {\n const { onUnhandledError } = config;\n if (onUnhandledError) {\n // Execute the user-configured error handler.\n onUnhandledError(err);\n } else {\n // Throw so it is picked up by the runtime's uncaught error mechanism.\n throw err;\n }\n });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification(value: T) {\n return createNotification('N', value, undefined) as NextNotification;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n return {\n kind,\n value,\n error,\n };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n const isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n const { errorThrown, error } = context!;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n } else {\n // This is the general non-deprecated path for everyone that\n // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n cb();\n }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber\n */\nexport class Subscriber extends Subscription implements Observer {\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param next The `next` callback of an Observer.\n * @param error The `error` callback of an\n * Observer.\n * @param complete The `complete` callback of an\n * Observer.\n * @return A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n * @nocollapse\n * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n * method, and there is no reason to be creating instances of `Subscriber` directly.\n * If you have a specific use case, please file an issue.\n */\n static create(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber {\n return new SafeSubscriber(next, error, complete);\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected isStopped: boolean = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected destination: Subscriber | Observer; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n */\n constructor(destination?: Subscriber | Observer) {\n super();\n if (destination) {\n this.destination = destination;\n // Automatically chain subscriptions together here.\n // if destination is a Subscription, then it is a Subscriber.\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. The Observable may call this method 0 or more\n * times.\n * @param {T} [value] The `next` value.\n * @return {void}\n */\n next(value?: T): void {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value!);\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `error` from\n * the Observable, with an attached `Error`. Notifies the Observer that\n * the Observable has experienced an error condition.\n * @param {any} [err] The `error` exception.\n * @return {void}\n */\n error(err?: any): void {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n this._error(err);\n }\n }\n\n /**\n * The {@link Observer} callback to receive a valueless notification of type\n * `complete` from the Observable. Notifies the Observer that the Observable\n * has finished sending push-based notifications.\n * @return {void}\n */\n complete(): void {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n this._complete();\n }\n }\n\n unsubscribe(): void {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null!;\n }\n }\n\n protected _next(value: T): void {\n this.destination.next(value);\n }\n\n protected _error(err: any): void {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n protected _complete(): void {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind any>(fn: Fn, thisArg: any): Fn {\n return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver implements Observer {\n constructor(private partialObserver: Partial>) {}\n\n next(value: T): void {\n const { partialObserver } = this;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n\n error(err: any): void {\n const { partialObserver } = this;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n } catch (error) {\n handleUnhandledError(error);\n }\n } else {\n handleUnhandledError(err);\n }\n }\n\n complete(): void {\n const { partialObserver } = this;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n}\n\nexport class SafeSubscriber extends Subscriber {\n constructor(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((e?: any) => void) | null,\n complete?: (() => void) | null\n ) {\n super();\n\n let partialObserver: Partial>;\n if (isFunction(observerOrNext) || !observerOrNext) {\n // The first argument is a function, not an observer. The next\n // two arguments *could* be observers, or they could be empty.\n partialObserver = {\n next: (observerOrNext ?? undefined) as (((value: T) => void) | undefined),\n error: error ?? undefined,\n complete: complete ?? undefined,\n };\n } else {\n // The first argument is a partial observer.\n let context: any;\n if (this && config.useDeprecatedNextContext) {\n // This is a deprecated path that made `this.unsubscribe()` available in\n // next handler functions passed to subscribe. This only exists behind a flag\n // now, as it is *very* slow.\n context = Object.create(observerOrNext);\n context.unsubscribe = () => this.unsubscribe();\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context),\n error: observerOrNext.error && bind(observerOrNext.error, context),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n };\n } else {\n // The \"normal\" path. Just use the partial observer directly.\n partialObserver = observerOrNext;\n }\n }\n\n // Wrap the partial observer to ensure it's a full observer, and\n // make sure proper error handling is accounted for.\n this.destination = new ConsumerObserver(partialObserver);\n }\n}\n\nfunction handleUnhandledError(error: any) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n } else {\n // Ideal path, we report this as an unhandled error,\n // which is thrown on a new call stack.\n reportUnhandledError(error);\n }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent\n * @param subscriber The stopped subscriber\n */\nfunction handleStoppedNotification(notification: ObservableNotification, subscriber: Subscriber) {\n const { onStoppedNotification } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly> & { closed: true } = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n * map(i => range(i)),\n * mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity(x: T): T {\n return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe(fn1: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction, fn3: UnaryFunction): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction,\n ...fns: UnaryFunction[]\n): UnaryFunction;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on. \n */\nexport function pipe(...fns: Array>): UnaryFunction {\n return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray(fns: Array>): UnaryFunction {\n if (fns.length === 0) {\n return identity as UnaryFunction;\n }\n\n if (fns.length === 1) {\n return fns[0];\n }\n\n return function piped(input: T): R {\n return fns.reduce((prev: any, fn: UnaryFunction) => fn(prev), input as any);\n };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n *\n * @class Observable\n */\nexport class Observable implements Subscribable {\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n source: Observable | undefined;\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n operator: Operator | undefined;\n\n /**\n * @constructor\n * @param {Function} subscribe the function that is called when the Observable is\n * initially subscribed to. This function is given a Subscriber, to which new values\n * can be `next`ed, or an `error` method can be called to raise an error, or\n * `complete` can be called to notify of a successful completion.\n */\n constructor(subscribe?: (this: Observable, subscriber: Subscriber) => TeardownLogic) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n\n // HACK: Since TypeScript inherits static properties too, we have to\n // fight against TypeScript here so Subject can have a different static create signature\n /**\n * Creates a new Observable by calling the Observable constructor\n * @owner Observable\n * @method create\n * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor\n * @return {Observable} a new observable\n * @nocollapse\n * @deprecated Use `new Observable()` instead. Will be removed in v8.\n */\n static create: (...args: any[]) => any = (subscribe?: (subscriber: Subscriber) => TeardownLogic) => {\n return new Observable(subscribe);\n };\n\n /**\n * Creates a new Observable, with this Observable instance as the source, and the passed\n * operator defined as the new observable's operator.\n * @method lift\n * @param operator the operator defining the operation to take on the observable\n * @return a new observable with the Operator applied\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * If you have implemented an operator using `lift`, it is recommended that you create an\n * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n * scratch\" section here: https://rxjs.dev/guide/operators\n */\n lift(operator?: Operator): Observable {\n const observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n }\n\n subscribe(observerOrNext?: Partial> | ((value: T) => void)): Subscription;\n /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n /**\n * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n *\n * Use it when you have all these Observables, but still nothing is happening.\n *\n * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n * might be for example a function that you passed to Observable's constructor, but most of the time it is\n * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n * the thought.\n *\n * Apart from starting the execution of an Observable, this method allows you to listen for values\n * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n * of the following ways.\n *\n * The first way is creating an object that implements {@link Observer} interface. It should have methods\n * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n * an `error` method to avoid missing thrown errors.\n *\n * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n *\n * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n * and you also handled emissions internally by using operators (e.g. using `tap`).\n *\n * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n *\n * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n * It is an Observable itself that decides when these functions will be called. For example {@link of}\n * by default emits all its values synchronously. Always check documentation for how given Observable\n * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n *\n * #### Examples\n *\n * Subscribe with an {@link guide/observer Observer}\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * const sumObserver = {\n * sum: 0,\n * next(value) {\n * console.log('Adding: ' + value);\n * this.sum = this.sum + value;\n * },\n * error() {\n * // We actually could just remove this method,\n * // since we do not really care about errors right now.\n * },\n * complete() {\n * console.log('Sum equals: ' + this.sum);\n * }\n * };\n *\n * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n * .subscribe(sumObserver);\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n *\n * ```ts\n * import { of } from 'rxjs'\n *\n * let sum = 0;\n *\n * of(1, 2, 3).subscribe(\n * value => {\n * console.log('Adding: ' + value);\n * sum = sum + value;\n * },\n * undefined,\n * () => console.log('Sum equals: ' + sum)\n * );\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Cancel a subscription\n *\n * ```ts\n * import { interval } from 'rxjs';\n *\n * const subscription = interval(1000).subscribe({\n * next(num) {\n * console.log(num)\n * },\n * complete() {\n * // Will not be called, even when cancelling subscription.\n * console.log('completed!');\n * }\n * });\n *\n * setTimeout(() => {\n * subscription.unsubscribe();\n * console.log('unsubscribed!');\n * }, 2500);\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 'unsubscribed!' after 2.5s\n * ```\n *\n * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called,\n * or the first of three possible handlers, which is the handler for each value emitted from the subscribed\n * Observable.\n * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided,\n * the error will be thrown asynchronously as unhandled.\n * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion.\n * @return {Subscription} a subscription reference to the registered handlers\n * @method subscribe\n */\n subscribe(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((error: any) => void) | null,\n complete?: (() => void) | null\n ): Subscription {\n const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n errorContext(() => {\n const { operator, source } = this;\n subscriber.add(\n operator\n ? // We're dealing with a subscription in the\n // operator chain to one of our lifted operators.\n operator.call(subscriber, source)\n : source\n ? // If `source` has a value, but `operator` does not, something that\n // had intimate knowledge of our API, like our `Subject`, must have\n // set it. We're going to just call `_subscribe` directly.\n this._subscribe(subscriber)\n : // In all other cases, we're likely wrapping a user-provided initializer\n // function, so we need to catch errors and handle them appropriately.\n this._trySubscribe(subscriber)\n );\n });\n\n return subscriber;\n }\n\n /** @internal */\n protected _trySubscribe(sink: Subscriber): TeardownLogic {\n try {\n return this._subscribe(sink);\n } catch (err) {\n // We don't need to return anything in this case,\n // because it's just going to try to `add()` to a subscription\n // above.\n sink.error(err);\n }\n }\n\n /**\n * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * #### Example\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(4));\n *\n * async function getTotal() {\n * let total = 0;\n *\n * await source$.forEach(value => {\n * total += value;\n * console.log('observable -> ' + value);\n * });\n *\n * return total;\n * }\n *\n * getTotal().then(\n * total => console.log('Total: ' + total)\n * );\n *\n * // Expected:\n * // 'observable -> 0'\n * // 'observable -> 1'\n * // 'observable -> 2'\n * // 'observable -> 3'\n * // 'Total: 6'\n * ```\n *\n * @param next a handler for each value emitted by the observable\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n */\n forEach(next: (value: T) => void): Promise;\n\n /**\n * @param next a handler for each value emitted by the observable\n * @param promiseCtor a constructor function used to instantiate the Promise\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n * @deprecated Passing a Promise constructor will no longer be available\n * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n * little benefit. If you need this functionality, it is recommended that you either\n * polyfill Promise, or you create an adapter to convert the returned native promise\n * to whatever promise implementation you wanted. Will be removed in v8.\n */\n forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise;\n\n forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n const subscriber = new SafeSubscriber({\n next: (value) => {\n try {\n next(value);\n } catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n this.subscribe(subscriber);\n }) as Promise;\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): TeardownLogic {\n return this.source?.subscribe(subscriber);\n }\n\n /**\n * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n * @method Symbol.observable\n * @return {Observable} this instance of the observable\n */\n [Symbol_observable]() {\n return this;\n }\n\n /* tslint:disable:max-line-length */\n pipe(): Observable;\n pipe(op1: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction, op3: OperatorFunction): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction,\n ...operations: OperatorFunction[]\n ): Observable;\n /* tslint:enable:max-line-length */\n\n /**\n * Used to stitch together functional operators into a chain.\n * @method pipe\n * @return {Observable} the Observable result of all of the operators having\n * been called in the order they were passed in.\n *\n * ## Example\n *\n * ```ts\n * import { interval, filter, map, scan } from 'rxjs';\n *\n * interval(1000)\n * .pipe(\n * filter(x => x % 2 === 0),\n * map(x => x + x),\n * scan((acc, x) => acc + x)\n * )\n * .subscribe(x => console.log(x));\n * ```\n */\n pipe(...operations: OperatorFunction[]): Observable {\n return pipeFromArray(operations)(this);\n }\n\n /* tslint:disable:max-line-length */\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: typeof Promise): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: PromiseConstructorLike): Promise;\n /* tslint:enable:max-line-length */\n\n /**\n * Subscribe to this Observable and get a Promise resolving on\n * `complete` with the last emission (if any).\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * @method toPromise\n * @param [promiseCtor] a constructor function used to instantiate\n * the Promise\n * @return A Promise that resolves with the last value emit, or\n * rejects on an error. If there were no emissions, Promise\n * resolves with undefined.\n * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n */\n toPromise(promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n let value: T | undefined;\n this.subscribe(\n (x: T) => (value = x),\n (err: any) => reject(err),\n () => resolve(value)\n );\n }) as Promise;\n }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver(value: any): value is Observer {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber(value: any): value is Subscriber {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType['lift'] } {\n return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate(\n init: (liftedSource: Observable, subscriber: Subscriber) => (() => void) | void\n): OperatorFunction {\n return (source: Observable) => {\n if (hasLift(source)) {\n return source.lift(function (this: Subscriber, liftedSource: Observable) {\n try {\n return init(liftedSource, this);\n } catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n onFinalize?: () => void\n): Subscriber {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber extends Subscriber {\n /**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n */\n constructor(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n private onFinalize?: () => void,\n private shouldUnsubscribe?: () => boolean\n ) {\n // It's important - for performance reasons - that all of this class's\n // members are initialized and that they are always initialized in the same\n // order. This will ensure that all OperatorSubscriber instances have the\n // same hidden class in V8. This, in turn, will help keep the number of\n // hidden classes involved in property accesses within the base class as\n // low as possible. If the number of hidden classes involved exceeds four,\n // the property accesses will become megamorphic and performance penalties\n // will be incurred - i.e. inline caches won't be used.\n //\n // The reasons for ensuring all instances have the same hidden class are\n // further discussed in this blog post from Benedikt Meurer:\n // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n super(destination);\n this._next = onNext\n ? function (this: OperatorSubscriber, value: T) {\n try {\n onNext(value);\n } catch (err) {\n destination.error(err);\n }\n }\n : super._next;\n this._error = onError\n ? function (this: OperatorSubscriber, err: any) {\n try {\n onError(err);\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._error;\n this._complete = onComplete\n ? function (this: OperatorSubscriber) {\n try {\n onComplete();\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._complete;\n }\n\n unsubscribe() {\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n const { closed } = this;\n super.unsubscribe();\n // Execute additional teardown if we have any and we didn't already do so.\n !closed && this.onFinalize?.();\n }\n }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n schedule(callback: FrameRequestCallback): Subscription;\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n delegate:\n | {\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n }\n | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n schedule(callback) {\n let request = requestAnimationFrame;\n let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n const { delegate } = animationFrameProvider;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n const handle = request((timestamp) => {\n // Clear the cancel function. The request has been fulfilled, so\n // attempting to cancel the request upon unsubscription would be\n // pointless.\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(() => cancel?.(handle));\n },\n requestAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n },\n cancelAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n },\n delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n (_super) =>\n function ObjectUnsubscribedErrorImpl(this: any) {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject extends Observable implements SubscriptionLike {\n closed = false;\n\n private currentObservers: Observer[] | null = null;\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n observers: Observer[] = [];\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n isStopped = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n hasError = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n thrownError: any = null;\n\n /**\n * Creates a \"subject\" by basically gluing an observer to an observable.\n *\n * @nocollapse\n * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n */\n static create: (...args: any[]) => any = (destination: Observer, source: Observable): AnonymousSubject => {\n return new AnonymousSubject(destination, source);\n };\n\n constructor() {\n // NOTE: This must be here to obscure Observable's constructor.\n super();\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n lift(operator: Operator): Observable {\n const subject = new AnonymousSubject(this, this);\n subject.operator = operator as any;\n return subject as any;\n }\n\n /** @internal */\n protected _throwIfClosed() {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n }\n\n next(value: T) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n if (!this.currentObservers) {\n this.currentObservers = Array.from(this.observers);\n }\n for (const observer of this.currentObservers) {\n observer.next(value);\n }\n }\n });\n }\n\n error(err: any) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.hasError = this.isStopped = true;\n this.thrownError = err;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.error(err);\n }\n }\n });\n }\n\n complete() {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.isStopped = true;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.complete();\n }\n }\n });\n }\n\n unsubscribe() {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null!;\n }\n\n get observed() {\n return this.observers?.length > 0;\n }\n\n /** @internal */\n protected _trySubscribe(subscriber: Subscriber): TeardownLogic {\n this._throwIfClosed();\n return super._trySubscribe(subscriber);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n }\n\n /** @internal */\n protected _innerSubscribe(subscriber: Subscriber) {\n const { hasError, isStopped, observers } = this;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(() => {\n this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n }\n\n /** @internal */\n protected _checkFinalizedStatuses(subscriber: Subscriber) {\n const { hasError, thrownError, isStopped } = this;\n if (hasError) {\n subscriber.error(thrownError);\n } else if (isStopped) {\n subscriber.complete();\n }\n }\n\n /**\n * Creates a new Observable with this Subject as the source. You can do this\n * to create custom Observer-side logic of the Subject and conceal it from\n * code that uses the Observable.\n * @return {Observable} Observable that the Subject casts to\n */\n asObservable(): Observable {\n const observable: any = new Observable();\n observable.source = this;\n return observable;\n }\n}\n\n/**\n * @class AnonymousSubject\n */\nexport class AnonymousSubject extends Subject {\n constructor(\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n public destination?: Observer,\n source?: Observable\n ) {\n super();\n this.source = source;\n }\n\n next(value: T) {\n this.destination?.next?.(value);\n }\n\n error(err: any) {\n this.destination?.error?.(err);\n }\n\n complete() {\n this.destination?.complete?.();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n now() {\n // Use the variable rather than `this` so that the function can be called\n // without being bound to the provider.\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject extends Subject {\n private _buffer: (T | number)[] = [];\n private _infiniteTimeWindow = true;\n\n /**\n * @param bufferSize The size of the buffer to replay on subscription\n * @param windowTime The amount of time the buffered items will stay buffered\n * @param timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n * calculate the amount of time something has been buffered.\n */\n constructor(\n private _bufferSize = Infinity,\n private _windowTime = Infinity,\n private _timestampProvider: TimestampProvider = dateTimestampProvider\n ) {\n super();\n this._infiniteTimeWindow = _windowTime === Infinity;\n this._bufferSize = Math.max(1, _bufferSize);\n this._windowTime = Math.max(1, _windowTime);\n }\n\n next(value: T): void {\n const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n super.next(value);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._trimBuffer();\n\n const subscription = this._innerSubscribe(subscriber);\n\n const { _infiniteTimeWindow, _buffer } = this;\n // We use a copy here, so reentrant code does not mutate our array while we're\n // emitting it to a new subscriber.\n const copy = _buffer.slice();\n for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i] as T);\n }\n\n this._checkFinalizedStatuses(subscriber);\n\n return subscription;\n }\n\n private _trimBuffer() {\n const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n // If we don't have an infinite buffer size, and we're over the length,\n // use splice to truncate the old buffer values off. Note that we have to\n // double the size for instances where we're not using an infinite time window\n // because we're storing the values and the timestamps in the same array.\n const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n // Now, if we're not in an infinite time window, remove all values where the time is\n // older than what is allowed.\n if (!_infiniteTimeWindow) {\n const now = _timestampProvider.now();\n let last = 0;\n // Search the array for the first timestamp that isn't expired and\n // truncate the buffer up to that point.\n for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action extends Subscription {\n * new (scheduler: Scheduler, work: (state?: T) => void);\n * schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n *\n * @class Action\n */\nexport class Action extends Subscription {\n constructor(scheduler: Scheduler, work: (this: SchedulerAction, state?: T) => void) {\n super();\n }\n /**\n * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n * some context object, `state`. May happen at some point in the future,\n * according to the `delay` parameter, if specified.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler.\n * @return {void}\n */\n public schedule(state?: T, delay: number = 0): Subscription {\n return this;\n }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n delegate:\n | {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n }\n | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setInterval(handler: () => void, timeout?: number, ...args) {\n const { delegate } = intervalProvider;\n if (delegate?.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return (delegate?.clearInterval || clearInterval)(handle as any);\n },\n delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction extends Action {\n public id: TimerHandle | undefined;\n public state?: T;\n // @ts-ignore: Property has no initializer and is not definitely assigned\n public delay: number;\n protected pending: boolean = false;\n\n constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (this.closed) {\n return this;\n }\n\n // Always replace the current state with the new state.\n this.state = state;\n\n const id = this.id;\n const scheduler = this.scheduler;\n\n //\n // Important implementation note:\n //\n // Actions only execute once by default, unless rescheduled from within the\n // scheduled callback. This allows us to implement single and repeat\n // actions via the same code path, without adding API surface area, as well\n // as mimic traditional recursion but across asynchronous boundaries.\n //\n // However, JS runtimes and timers distinguish between intervals achieved by\n // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n // serial `setTimeout` calls can be individually delayed, which delays\n // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n // guarantee the interval callback will be invoked more precisely to the\n // interval period, regardless of load.\n //\n // Therefore, we use `setInterval` to schedule single and repeat actions.\n // If the action reschedules itself with the same delay, the interval is not\n // canceled. If the action doesn't reschedule, or reschedules with a\n // different delay, the interval will be canceled after scheduled callback\n // execution.\n //\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n\n // Set the pending flag indicating that this action has been scheduled, or\n // has recursively rescheduled itself.\n this.pending = true;\n\n this.delay = delay;\n // If this action has already an async Id, don't request a new one.\n this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n return this;\n }\n\n protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n\n protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n // If this action is rescheduled with the same delay time, don't clear the interval id.\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n // Otherwise, if the action's delay time is different from the current delay,\n // or the action has been rescheduled before it's executed, clear the interval id\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n\n return undefined;\n }\n\n /**\n * Immediately executes this action and the `work` it contains.\n * @return {any}\n */\n public execute(state: T, delay: number): any {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n // Dequeue if the action didn't reschedule itself. Don't call\n // unsubscribe(), because the action could reschedule later.\n // For example:\n // ```\n // scheduler.schedule(function doWork(counter) {\n // /* ... I'm a busy worker bee ... */\n // var originalAction = this;\n // /* wait 100ms before rescheduling the action */\n // setTimeout(function () {\n // originalAction.schedule(counter + 1);\n // }, 100);\n // }, 1000);\n // ```\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n\n protected _execute(state: T, _delay: number): any {\n let errored: boolean = false;\n let errorValue: any;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n // return here, we can't have it return \"\" or 0 or false.\n // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n\n this.work = this.state = this.scheduler = null!;\n this.pending = false;\n\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n\n this.delay = null!;\n super.unsubscribe();\n }\n }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n * now(): number;\n * schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @class Scheduler\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n public static now: () => number = dateTimestampProvider.now;\n\n constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n this.now = now;\n }\n\n /**\n * A getter method that returns a number representing the current time\n * (at the time this function was called) according to the scheduler's own\n * internal clock.\n * @return {number} A number that represents the current time. May or may not\n * have a relation to wall-clock time. May or may not refer to a time unit\n * (e.g. milliseconds).\n */\n public now: () => number;\n\n /**\n * Schedules a function, `work`, for execution. May happen at some point in\n * the future, according to the `delay` parameter, if specified. May be passed\n * some context object, `state`, which will be passed to the `work` function.\n *\n * The given arguments will be processed an stored as an Action object in a\n * queue of actions.\n *\n * @param {function(state: ?T): ?Subscription} work A function representing a\n * task, or some unit of work to be executed by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler itself.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @return {Subscription} A subscription in order to be able to unsubscribe\n * the scheduled work.\n */\n public schedule(work: (this: SchedulerAction, state?: T) => void, delay: number = 0, state?: T): Subscription {\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n public actions: Array> = [];\n /**\n * A flag to indicate whether the Scheduler is currently executing a batch of\n * queued actions.\n * @type {boolean}\n * @internal\n */\n public _active: boolean = false;\n /**\n * An internal ID used to track the latest asynchronous task such as those\n * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n * others.\n * @type {any}\n * @internal\n */\n public _scheduled: TimerHandle | undefined;\n\n constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n super(SchedulerAction, now);\n }\n\n public flush(action: AsyncAction): void {\n const { actions } = this;\n\n if (this._active) {\n actions.push(action);\n return;\n }\n\n let error: any;\n this._active = true;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n this._active = false;\n\n if (error) {\n while ((action = actions.shift()!)) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * Schedule task as if you used setTimeout(task, duration)\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n * console.log(state);\n * this.schedule(state + 1, 1000); // `this` references currently executing Action,\n * // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction extends AsyncAction {\n constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay is greater than 0, request as an async action.\n if (delay !== null && delay > 0) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n // Push the action to the end of the scheduler queue.\n scheduler.actions.push(this);\n // If an animation frame has already been requested, don't request another\n // one. If an animation frame hasn't been requested yet, request one. Return\n // the current animation frame request id.\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n }\n\n protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n if (delay != null ? delay > 0 : this.delay > 0) {\n return super.recycleAsyncId(scheduler, id, delay);\n }\n // If the scheduler queue has no remaining actions with the same async id,\n // cancel the requested animation frame and set the scheduled flag to\n // undefined so the next AnimationFrameAction will request its own.\n const { actions } = scheduler;\n if (id != null && actions[actions.length - 1]?.id !== id) {\n animationFrameProvider.cancelAnimationFrame(id as number);\n scheduler._scheduled = undefined;\n }\n // Return undefined so the action knows to request a new async id if it's rescheduled.\n return undefined;\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n public flush(action?: AsyncAction): void {\n this._active = true;\n // The async id that effects a call to flush is stored in _scheduled.\n // Before executing an action, it's necessary to check the action's async\n // id to determine whether it's supposed to be executed in the current\n // flush.\n // Previous implementations of this method used a count to determine this,\n // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n // are removed from the actions array and that can shift actions that are\n // scheduled to be executed in a subsequent flush into positions at which\n // they are executed within the current flush.\n const flushId = this._scheduled;\n this._scheduled = undefined;\n\n const { actions } = this;\n let error: any;\n action = action || actions.shift()!;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n this._active = false;\n\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * Perform task when `window.requestAnimationFrame` would fire\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html:
\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n * div.style.height = height + \"px\";\n *\n * this.schedule(height + 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * Just emits 'complete', and nothing else.\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n * next: () => console.log('Next'),\n * complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n return new Observable((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last(arr: T[]): T | undefined {\n return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = ((x: any): x is ArrayLike => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike {\n return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable(obj: any): obj is AsyncIterable {\n return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n // TODO: We should create error codes that can be looked up, so this can be less verbose.\n return new TypeError(\n `You provided ${\n input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n );\n}\n", "export function getSymbolIterator(): symbol {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator' as any;\n }\n\n return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable {\n return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator(readableStream: ReadableStreamLike): AsyncGenerator {\n const reader = readableStream.getReader();\n try {\n while (true) {\n const { value, done } = await reader.read();\n if (done) {\n return;\n }\n yield value!;\n }\n } finally {\n reader.releaseLock();\n }\n}\n\nexport function isReadableStreamLike(obj: any): obj is ReadableStreamLike {\n // We don't want to use instanceof checks because they would return\n // false for instances from another Realm, like an