Kubernetes Cheat Sheet

Note: This is an internal cheat sheet specific to WATcloud's Kubernetes set up.

When using the provisioner

To run vanilla kubectl, run.sh will populate the KUBECONFIG env var so that the command knows which server to connect to and with what credentials

./kubernetes/run.sh kubectl

To access the azure kubernetes, simply use ./azure_kubernetes/run.sh

Some useful commands

List all pods in all namespaces (you can use -A or --all-namespaces)

./kubernetes/run.sh kubectl get pods -A

List all nodes in all namespaces

./kubernetes/run.sh kubectl get nodes -A

k9s

If you want to use a nice graphical interface you can use k9s. This is useful for learning Kubernetes because it lists all the common commands.

./kubernetes/run.sh k9s -A

Sample output of k9s:

You can type : to open the command prompt and type help to see all the commands.

Provisioning a project

To provision a project, you can use the provision.sh script. Where folder_name is in infra-config/kubernetes/* and contains the terraform config.

./kubernetes/provision.sh folder_name