Files
litmus-hub/faults/kubernetes/node-cpu-hog/fault.yaml
2023-07-20 12:25:20 +05:30

103 lines
3.3 KiB
YAML

---
apiVersion: litmuschaos.io/v1alpha1
description:
message: |
Give a CPU spike on a node belonging to a deployment
kind: ChaosExperiment
metadata:
name: node-cpu-hog
labels:
name: node-cpu-hog
app.kubernetes.io/part-of: litmus
app.kubernetes.io/component: chaosexperiment
app.kubernetes.io/version: ci
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 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"]
# 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:3.0.0-beta3"
imagePullPolicy: Always
args:
- -c
- ./experiments -name node-cpu-hog
command:
- /bin/bash
env:
- name: TOTAL_CHAOS_DURATION
value: '60'
# Period to wait before and after injection of chaos in sec
- name: RAMP_TIME
value: ''
## ENTER THE NUMBER OF CORES OF CPU FOR CPU HOGGING
## OPTIONAL VALUE IN CASE OF EMPTY VALUE IT WILL TAKE NODE CPU CAPACITY
- name: NODE_CPU_CORE
value: ''
## LOAD CPU WITH GIVEN PERCENT LOADING FOR THE CPU STRESS WORKERS.
## 0 IS EFFECTIVELY A SLEEP (NO LOAD) AND 100 IS FULL LOADING
- name: CPU_LOAD
value: '100'
# ENTER THE COMMA SEPARATED TARGET NODES NAME
- name: TARGET_NODES
value: ''
- name: NODE_LABEL
value: ''
# provide lib image
- name: LIB_IMAGE
value: 'chaosnative/go-runner:ci'
## percentage of total nodes to target
- name: NODES_AFFECTED_PERC
value: ''
- name: DEFAULT_HEALTH_CHECK
value: 'false'
## it defines the sequence of chaos execution for multiple target nodes
## supported values: serial, parallel
- name: SEQUENCE
value: 'parallel'
labels:
name: node-cpu-hog
app.kubernetes.io/part-of: litmus
app.kubernetes.io/component: experiment-job
app.kubernetes.io/version: ci