K8S INSTALLATION GUIDE

These are the steps to create a high-availability K8S Cluster with 3 Master nodes, including Monitoring tools like Rancher and Grafana.

ENVIRONMENT PREPARATION

Virtual Machines:

1. Master Nodes:

• Description: To install k8s Control-plane
• amount: 3/5/7
• OS: Ubuntu
• CPU: 4
• RAM: 8 GB
• Disk: 100GB

2. Worker Nodes:

• Description: To install applications
• amount: > 1
• OS: Ubuntu
• CPU: 4 (Based on the application requirement)
• RAM: 8 GB (Based on the application requirement)
• Disk: 40GB (Based on the application requirement)

3. HA Proxy Load balancer:

• Description: Load balancer for 3 master nodes
• amount: 1
• OS: Ubuntu
• CPU: 2
• RAM: 4 GB
• Disk: 40 GB

4. Rancher Server:

• Description: Install Rancher to monitor clusters
• amount: 1
• OS: Ubuntu
• CPU: 1
• RAM: 4 GB
• Disk: 40 GB

Steps

1. Initialize Cluster
2. Install Ingress
3. Install Rancher
4. Install Grafana