apiVersion: litmuschaos.io/v1alpha1
description:
  message: |
    Stops GCP VM instances and GKE nodes for a specified duration of time and later restarts them
kind: ChaosExperiment
metadata:
  name: gcp-vm-instance-stop
  labels:
    name: gcp-vm-instance-stop
    app.kubernetes.io/part-of: litmus
    app.kubernetes.io/component: chaosexperiment
    app.kubernetes.io/version: latest
spec:
  definition:
    scope: Cluster
    permissions:
      - apiGroups: 
          - "" 
          - "batch"
          - "litmuschaos.io"
        resources: 
          - "jobs" 
          - "pods" 
          - "pods/log" 
          - "events" 
          - "secrets" 
          - "pods/exec" 
          - "chaosengines" 
          - "chaosexperiments" 
          - "chaosresults"
          - "nodes"
        verbs: 
          - "create" 
          - "list" 
          - "get" 
          - "patch" 
          - "update" 
          - "delete" 
          - "deletecollection"
    image: "litmuschaos/go-runner:ci"
    imagePullPolicy: Always
    args:
    - -c
    - ./experiments -name gcp-vm-instance-stop
    command:
    - /bin/bash
    env:

    - name: TOTAL_CHAOS_DURATION
      value: '30' 

    - name: CHAOS_INTERVAL
      value: '30'

    # parallel or serial; determines how the VM instances are terminated, all at once or one at a time  
    - name: SEQUENCE
      value: 'parallel'

    # provide the LIB
    # only litmus supported
    - name: LIB
      value: 'litmus'

    # period to wait before and after injection of chaos in sec
    - name: RAMP_TIME
      value: '0'

    # enable or disable; shall be enabled if the target instance is a part of an auto scaling group.
    - name: AUTO_SCALING_GROUP
      value: 'disable'
    
    # Instance name of the target vm instance(s)
    # Multiple instance names can be provided as comma separated values ex: instance1,instance2
    - name: VM_INSTANCE_NAMES
      value: ''
    
    # GCP project ID to which the vm instances belong
    - name: GCP_PROJECT_ID
      value: ''

    # Instance zone(s) of the target vm instance(s)
    # If more than one instance is targetted, provide zone for each in the order of their 
    # respective instance name in VM_INSTANCE_NAME as comma separated values ex: zone1,zone2
    - name: INSTANCE_ZONES
      value: ''
      
    labels:
      name: gcp-vm-instance-stop
      app.kubernetes.io/part-of: litmus
      app.kubernetes.io/component: experiment-job
      app.kubernetes.io/version: latest 
    secrets:
    - name: cloud-secret
      mountPath: /tmp/