Discover Kubernetes Cluster Versions

Introduction

In this challenge, you will need to verify the Kubernetes environment's version details as a junior DevOps engineer. This is to ensure system compatibility and prepare for a critical infrastructure upgrade. You will be required to retrieve the Kubernetes cluster version information, display the version details in JSON format, and verify the compatibility between client and server versions using the kubectl version command.

Skills Graph

%%%%{init: {'theme':'neutral'}}%%%% flowchart RL kubernetes(("Kubernetes")) -.-> kubernetes/TroubleshootingandDebuggingCommandsGroup(["Troubleshooting and Debugging Commands"]) kubernetes(("Kubernetes")) -.-> kubernetes/ConfigurationandVersioningGroup(["Configuration and Versioning"]) kubernetes(("Kubernetes")) -.-> kubernetes/BasicCommandsGroup(["Basic Commands"]) kubernetes/BasicCommandsGroup -.-> kubernetes/get("Get") kubernetes/TroubleshootingandDebuggingCommandsGroup -.-> kubernetes/describe("Describe") kubernetes/ConfigurationandVersioningGroup -.-> kubernetes/version("Version") subgraph Lab Skills kubernetes/get -.-> lab-434105{{"Discover Kubernetes Cluster Versions"}} kubernetes/describe -.-> lab-434105{{"Discover Kubernetes Cluster Versions"}} kubernetes/version -.-> lab-434105{{"Discover Kubernetes Cluster Versions"}} end

Discover Kubernetes Cluster Versions

As a junior DevOps engineer, you need to verify the Kubernetes environment's version details to ensure system compatibility and prepare for a critical infrastructure upgrade.

Tasks

Retrieve the Kubernetes cluster version information
Display the version details in JSON format
Verify the compatibility between client and server versions

Requirements

Use the kubectl version command
Output the version information in JSON format
Ensure you are working in the ~/project directory
Use Minikube as the local Kubernetes cluster

Examples

Example JSON output:

{
  "clientVersion": {
    "major": "1",
    "minor": "26",
    "gitVersion": "v1.26.0"
  },
  "serverVersion": {
    "major": "1",
    "minor": "26",
    "gitVersion": "v1.26.0"
  }
}

Hints

Remember the --output=json flag for JSON formatting
Check the Kubernetes documentation for version command options
Verify the cluster is running before executing version commands

✨ Check Solution and Practice

Summary

In summary, this challenge requires you to verify the Kubernetes cluster version details, including both the client and server versions, and ensure compatibility between them. You will need to use the kubectl version command with the --output=json flag to retrieve the version information in JSON format. The goal is to prepare for a critical infrastructure upgrade by confirming the Kubernetes environment's version compatibility.