Files
litmus-hub/faults/kubernetes/pod-io-stress/fault.yaml
2023-08-31 14:35:52 +05:30

136 lines
4.5 KiB
YAML

---
apiVersion: litmuschaos.io/v1alpha1
description:
message: |
IO stress on a app pods belonging to an app deployment
kind: ChaosExperiment
metadata:
name: pod-io-stress
labels:
name: pod-io-stress
app.kubernetes.io/part-of: litmus
app.kubernetes.io/component: chaosexperiment
app.kubernetes.io/version: ci
spec:
definition:
scope: Namespaced
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 details and mount it to the experiment pod (if specified)
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get", "list"]
# Track and get the runner, experiment, and helper pods log
- apiGroups: [""]
resources: ["pods/log"]
verbs: ["get", "list", "watch"]
# for creating and managing to execute commands inside target container
- apiGroups: [""]
resources: ["pods/exec"]
verbs: ["get", "list", "create"]
# deriving the parent/owner details of the pod(if parent is anyof {deployment, statefulset, daemonsets})
- apiGroups: ["apps"]
resources: ["deployments", "statefulsets", "replicasets", "daemonsets"]
verbs: ["list", "get"]
# deriving the parent/owner details of the pod(if parent is deploymentConfig)
- apiGroups: ["apps.openshift.io"]
resources: ["deploymentconfigs"]
verbs: ["list", "get"]
# deriving the parent/owner details of the pod(if parent is deploymentConfig)
- apiGroups: [""]
resources: ["replicationcontrollers"]
verbs: ["get", "list"]
# deriving the parent/owner details of the pod(if parent is argo-rollouts)
- apiGroups: ["argoproj.io"]
resources: ["rollouts"]
verbs: ["list", "get"]
# 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"]
image: "litmuschaos/go-runner:3.0.0-beta10"
imagePullPolicy: Always
args:
- -c
- ./experiments -name pod-io-stress
command:
- /bin/bash
env:
- name: TOTAL_CHAOS_DURATION
value: '120'
## specify the size as percentage of free space on the file system
## default value 90 (in percentage)
- name: FILESYSTEM_UTILIZATION_PERCENTAGE
value: '10'
## we can specify the size in Gigabyte (Gb) also in place of percentage of free space
## NOTE: for selecting this option FILESYSTEM_UTILIZATION_PERCENTAGE should be empty
- name: FILESYSTEM_UTILIZATION_BYTES
value: ''
## Total number of workers default value is 4
- name: NUMBER_OF_WORKERS
value: '4'
## Percentage of total pods to target
- name: PODS_AFFECTED_PERC
value: ''
# provide volume mount path
- name: VOLUME_MOUNT_PATH
value: ''
- name: TARGET_CONTAINER
value: ''
## specify the comma separated target pods
- name: TARGET_PODS
value: ''
# To select pods on specific node(s)
- name: NODE_LABEL
value: ''
# Period to wait before and after injection of chaos in sec
- name: RAMP_TIME
value: ''
# provide lib image
- name: LIB_IMAGE
value: 'chaosnative/go-runner:ci'
- name: DEFAULT_HEALTH_CHECK
value: 'false'
## provide the cluster runtime
- name: CONTAINER_RUNTIME
value: 'containerd'
# provide the socket file path
- name: SOCKET_PATH
value: '/run/containerd/containerd.sock'
## it defines the sequence of chaos execution for multiple target pods
## supported values: serial, parallel
- name: SEQUENCE
value: 'parallel'
labels:
name: pod-io-stress
app.kubernetes.io/part-of: litmus
app.kubernetes.io/component: experiment-job
app.kubernetes.io/runtime-api-usage: "true"
app.kubernetes.io/version: ci