k9s/plugins/pvc-debug-container.yaml

plugins:
  pvc-shell:
      shortCut: s
      description: "Shell on PVC"
      scopes:
        - pvc
      command: sh
      background: false
      confirm: false
      inputs:
        - name: podname
          label: POD name
          type: string
          required: true
          default: "pvc-shell"
        - name: image
          label: Image
          type: dropdown
          required: true
          default: nicolaka/netshoot:v0.15
          options:
            - nicolaka/netshoot:v0.15
            - ubuntu:26.04
        - name: mountpath
          label: Mount path
          type: string
          required: true
          default: "/mnt/data"
      args:
        - -c
        - |
          NODE=$(kubectl --context $CONTEXT -n $NAMESPACE get pods \
            -o jsonpath='{range .items[?(@.spec.volumes[*].persistentVolumeClaim.claimName=="'"$NAME"'")]}{.spec.nodeName}{"\n"}{end}' | head -n1)

          if [ -n "$NODE" ]; then
            NODE_LINE="nodeName: $NODE"
          else
            NODE_LINE=""
          fi

          echo "Starting a shell pod with PVC - $NAME mounted at $INPUT_MOUNTPATH"

          {
          cat <<EOF
          apiVersion: v1
          kind: Pod
          metadata:
            name: $INPUT_PODNAME
            namespace: $NAMESPACE
          spec:
            $NODE_LINE
            restartPolicy: Never
            tolerations:
              - operator: Exists
            containers:
              - name: shell
                image: $INPUT_IMAGE
                command: ["sh"]
                stdin: true
                tty: true
                volumeMounts:
                  - name: vol
                    mountPath: $INPUT_MOUNTPATH
            volumes:
              - name: vol
                persistentVolumeClaim:
                  claimName: $NAME
          EOF
          } | kubectl --context $CONTEXT apply -f - >/dev/null 2>&1

          echo "Waiting for pod to be ready."
          if ! kubectl --context $CONTEXT -n $NAMESPACE wait --for=condition=Ready pod/$INPUT_PODNAME --timeout=60s; then
            echo "Pod did not become Ready. Likely a ReadWriteOnce conflict."
            echo "Press Enter to return to k9s."
            read dummy
            kubectl --context $CONTEXT -n $NAMESPACE delete pod $INPUT_PODNAME --ignore-not-found --grace-period=0 --force >/dev/null 2>&1
            exit 0
          fi

          kubectl --context $CONTEXT -n $NAMESPACE exec -it $INPUT_PODNAME -- bash || echo "Could not exec into pod."

          echo "Cleaning up pod."
          kubectl --context $CONTEXT -n $NAMESPACE delete pod $INPUT_PODNAME --ignore-not-found --grace-period=0 --force >/dev/null 2>&1