This action can be used to set cluster context before other actions like azure/k8s-deploy, azure/k8s-create-secret or any kubectl commands (in script) can be run subsequently in the workflow.

There are two approaches for specifying the deployment target:

• Kubeconfig file provided as input to the action
• Service account approach where the secret associated with the service account is provided as input to the action

If inputs related to both these approaches are provided, kubeconfig approach related inputs are given precedence.

In both these approaches it is recommended to store these contents (kubeconfig file content or secret content) in a secret which could be referenced later in the action.

- uses: azure/k8s-set-context@v1
  with:
    method: kubeconfig
    kubeconfig: <your kubeconfig> # Use secret (https://developer.github.com/actions/managing-workflows/storing-secrets/)
    context: <context name>  #If left unspecified, current-context from kubeconfig is used as default
  id: setcontext

Following are the ways to fetch kubeconfig file onto your local development machine so that the same can be used in the action input shown above:

az aks get-credentials --name
                       --resource-group
                       [--admin]
                       [--file]
                       [--overwrite-existing]
                       [--subscription]

Further details can be found in az aks get-credentials documentation.

Please refer to documentation on fetching kubeconfig for any generic K8s cluster

- uses: azure/k8s-set-context@v1
  with:
    method: service-account
    k8s-url: <URL of the clsuter's API server>
    k8s-secret: <secret associated with the service account>
  id: setcontext

For fetching Server URL, execute the following command on your shell:

kubectl config view --minify -o 'jsonpath={.clusters[0].cluster.server}'

For fetching Secret object required to connect and authenticate with the cluster, the following sequence of commands need to be run:

kubectl get serviceAccounts <service-account-name> -n <namespace> -o 'jsonpath={.secrets[*].name}'

kubectl get secret <service-account-secret-name> -n <namespace> -o yaml

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