Project report

Project's reporter: Artyom Borisevich

Group number: md-sa2-22-22

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Description of application for deployment

• Application: Drupal
• Programimg language: PHP
• DB: MariaDB

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Getting Started. To use this ci-cd you should have or install:

• Kubernetes cluster (You can try k3s)
• Database (it could be done via Ansible (MariaDB as example))
• Sealed-secrets controller (to store your secrets in repo in a safe way)
• ArgoCD
• Argo Rollouts
• NFS

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Pipeline. High Level Design

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Technologies which were used in project

• Orchestration: Kubernetes
• Automation tools: Github actions, ArgoCD, Argo Rollouts, Ansible
• SCM: GitHub
• Notification: Slack
• Other tools: Docker, Helm , MariaDB, NFS

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CI/CD description:

GitHub actions workflow starting after pushing tag to the repo. You can use following commands(with your tag version):

git tag -a v1.0.0 -m "v1.0.0"
git push origin v1.0.0 

CI has following steps:

Action	Description
Push tag	Developer pushes tag with the new version of app which triggers github actions.
Testing	Verification of Helm manifests and Dockerfile.
Build and push	Build docker image app with the tag from developer and push it to the Github Packages.
Helm Package	This action generates a helm package and updates files values.yaml and index.yaml . Also appVersion and version are updated in the Chart.yaml.
Push helm package to git	Push changes to the gh-pages branch (main).
Slack Notification	Send notification to the Slack.

CD following steps:

• GitHub pages is used as helm artifactory
• ArgoCD WebUI or console is used for deployment
• Argo Rollouts are used for Blue-Green update strategy

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Links:

Project repository: https://github.com/artsiomborisevich/devops-project

Argo rollouts: https://argo-rollouts.readthedocs.io/en/stable/