apiVersion: litmuschaos.io/v1alpha1
description:
  message: |
    gcp-vm-instance stop by label experiment causes gcp vm instances specified by a label to be stopped for a given time duration
kind: ChaosExperiment
metadata:
  name: gcp-vm-instance-stop-by-label
  labels:
    name: gcp-vm-instance-stop-by-label
    app.kubernetes.io/part-of: litmus
    app.kubernetes.io/component: chaosexperiment
    app.kubernetes.io/version: latest
spec:
  definition:
    scope: Cluster
    permissions:
      # Create and monitor the experiment & helper pods
      - apiGroups: [""]
        resources: ["pods"]
        verbs: ["create","delete","get","list","patch","update", "deletecollection"]
      # Performs CRUD operations on the events inside chaosengine and chaosresult
      - apiGroups: [""]
        resources: ["events"]
        verbs: ["create","get","list","patch","update"]
      # Fetch configmaps & secrets details and mount it to the experiment pod (if specified)
      - apiGroups: [""]
        resources: ["secrets","configmaps"]
        verbs: ["get","list",]
      # Track and get the runner, experiment, and helper pods log 
      - apiGroups: [""]
        resources: ["pods/log"]
        verbs: ["get","list","watch"]
      # for configuring and monitor the experiment job by the chaos-runner pod
      - apiGroups: ["batch"]
        resources: ["jobs"]
        verbs: ["create","list","get","delete","deletecollection"]
      # for creation, status polling and deletion of litmus chaos resources used within a chaos workflow
      - apiGroups: ["litmuschaos.io"]
        resources: ["chaosengines","chaosexperiments","chaosresults"]
        verbs: ["create","list","get","patch","update","delete"]
      # for experiment to perform node status checks
      - apiGroups: [""]
        resources: ["nodes"]
        verbs: ["get","list"]
    image: "litmuschaos/go-runner:latest"
    imagePullPolicy: Always
    args:
    - -c
    - ./experiments -name gcp-vm-instance-stop-by-label
    command:
    - /bin/bash
    env:

    # set chaos duration (in sec) as desired
    - name: TOTAL_CHAOS_DURATION
      value: '30'

    # set chaos interval (in sec) as desired
    - name: CHAOS_INTERVAL
      value: '30'
    
    - name: SEQUENCE
      value: 'parallel'
    
    # GCP project ID to which the vm instances belong
    - name: GCP_PROJECT_ID
      value: ''
    
    # Label of the target vm instance(s)  
    - name: INSTANCE_LABEL
      value: ''
    
    # Zone in which the target vm instance(s) filtered by the label exist
    # all the instances should lie in a single zone
    - name: INSTANCE_ZONES
      value: ''
    
    # enable it if the target instance is a part of a managed instance group
    - name: MANAGED_INSTANCE_GROUP
      value: 'disable'
      
    labels:
      name: gcp-vm-instance-stop-by-label
      app.kubernetes.io/part-of: litmus
      app.kubernetes.io/component: experiment-job
      app.kubernetes.io/version: latest 

    secrets:
    - name: cloud-secret
      mountPath: /tmp/