Kubernetes cluster

In order to practice, we need at least a Kubernetes cluster to work on, with admin permissions.

💡 Before using a real environment, that may come with a price and a professional procedure, it is easier to start small with a sandbox environment.

Documentation

• k3d
• kind

Exercise

Success criteria

• Have the command kubectl get nodes display at least one element
• Find the correct context name to execute kubectl cluster-info --context <context_name>
• Display Kubernetes cluster version
• Find and display kubectl configuration file

Tips

• Docker should be installed first (except for remote environment like the one provided by KataKoda)

Help

• Ubuntu based configuration
• Use to avoid issues with WSL or restart WSL if a service can't be reached from Windows

kind-cluster-config.yml

# https://kind.sigs.k8s.io/docs/user/configuration/
---
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
  - role: control-plane
    extraPortMappings:
      - containerPort: 30000
        hostPort: 30000
        protocol: TCP

Next

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