====== Contexts in kubernetes ======

===== View configuration =====

  $ kubectl config view
  apiVersion: v1
  clusters:
  - cluster:
      certificate-authority-data: DATA+OMITTED
      server: https://kubernetes.docker.internal:6443
    name: docker-desktop
  - cluster:
      certificate-authority-data: DATA+OMITTED
      server: https://192.168.100.10:6443
    name: kubernetes
  contexts:
  - context:
      cluster: docker-desktop
      user: docker-desktop
    name: docker-desktop
  - context:
      cluster: docker-desktop
      user: docker-desktop
    name: docker-for-desktop
  - context:
      cluster: kubernetes
      user: kubernetes-admin
    name: kubernetes-admin@kubernetes
  current-context: docker-desktop
  kind: Config
  preferences: {}
  users:
  - name: docker-desktop
    user:
      client-certificate-data: REDACTED
      client-key-data: REDACTED
  - name: kubernetes-admin
    user:
      client-certificate-data: REDACTED
      client-key-data: REDACTED

===== List contexts =====

  $ kubectl config get-contexts
  CURRENT   NAME                          CLUSTER          AUTHINFO           NAMESPACE
            docker-desktop                docker-desktop   docker-desktop
            docker-for-desktop            docker-desktop   docker-desktop
  *         kubernetes-admin@kubernetes   kubernetes       kubernetes-admin

  $ kubectl config current-context
  docker-desktop

===== Use/Active context =====

  $ kubectl config get-contexts
  CURRENT   NAME                CLUSTER          AUTHINFO           NAMESPACE
  *         docker-desktop      docker-desktop   docker-desktop
            erase-una-vez-k8s   kubernetes       kubernetes-admin

  $ kubectl config use-context erase-una-vez-k8s
  Switched to context "erase-una-vez-k8s".

  $ kubectl config get-contexts
  CURRENT   NAME                CLUSTER          AUTHINFO           NAMESPACE
            docker-desktop      docker-desktop   docker-desktop
  *         erase-una-vez-k8s   kubernetes       kubernetes-admin

===== Delete context =====

  $ kubectl config delete-context docker-for-desktop
  deleted context docker-for-desktop from /Users/rodolfo/.kube/config

==== Delete individual value ====

  $ kubectl config unset contexts.[CONTEXT NAME]

===== Rename a context ====

  $ kubectl config rename-context kubernetes-admin@kubernetes erase-una-vez-k8s
  Context "kubernetes-admin@kubernetes" renamed to "erase-una-vez-k8s".