apiVersion: litmuschaos.io/v1alpha1
description:
  message: |
    injects dns failure in target pod container
kind: ChaosExperiment
metadata:
  name: pod-dns-chaos
  labels:
    name: pod-dns-chaos
    app.kubernetes.io/part-of: litmus
    app.kubernetes.io/component: chaosexperiment
    app.kubernetes.io/version: latest
spec:
  definition:
    scope: Namespaced
    permissions:
      - apiGroups:
          - ""
          - "batch"
          - "apps"
          - "apps.openshift.io"
          - "argoproj.io"
          - "litmuschaos.io"
        resources:
          - "jobs"
          - "pods"
          - "pods/log"
          - "replicationcontrollers"
          - "deployments"
          - "statefulsets"
          - "daemonsets"
          - "replicasets"
          - "deploymentconfigs"
          - "rollouts"
          - "pods/exec"
          - "events"
          - "chaosengines"
          - "chaosexperiments"
          - "chaosresults"
        verbs:
          - "create"
          - "list"
          - "get"
          - "patch"
          - "update"
          - "delete"
          - "deletecollection"
    image: "litmuschaos/go-runner:latest"
    args:
    - -c
    - ./experiments -name pod-dns-chaos
    command:
    - /bin/bash
    env:

      - name: TARGET_CONTAINER
        value: ''

      # provide lib image
      - name: LIB_IMAGE
        value: 'litmuschaos/go-runner:latest'

      - name: TOTAL_CHAOS_DURATION
        value: '60' # in seconds

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

      ## percentage of total pods to target
      - name: PODS_AFFECTED_PERC
        value: ''

      - name: TARGET_PODS
        value: ''

      # provide the name of container runtime, it supports docker, containerd, crio
      - name: CONTAINER_RUNTIME
        value: 'docker'

      # provide the socket file path
      - name: SOCKET_PATH
        value: '/var/run/docker.sock'

      ## it defines the sequence of chaos execution for multiple target pods
      ## supported values: serial, parallel
      - name: SEQUENCE
        value: 'parallel'

      # list of the target hostnames or kewywords eg. '["litmuschaos","chaosnative.io"]' . If empty all hostnames are targets
      - name: TARGET_HOSTNAMES
        value: ''

      # can be either exact or substring, determines whether the dns query has to match exactly with one of the targets or can have any of the targets as substring
      - name: MATCH_SCHEME
        value: 'exact'

      # currently only error chaos is supported
      - name: CHAOS_TYPE
        value: 'error'

    labels:
      experiment: pod-dns-chaos
      app.kubernetes.io/part-of: litmus
      app.kubernetes.io/component: experiment-job
      app.kubernetes.io/version: latest