160 lines
5.4 KiB
YAML
160 lines
5.4 KiB
YAML
apiVersion: argoproj.io/v1alpha1
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kind: CronWorkflow
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metadata:
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name: argo-chaos-pod-cpu-cron-wf
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namespace: litmus
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labels:
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subject: "{{workflow.parameters.appNamespace}}_kube-proxy"
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spec:
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schedule: "0 * * * *"
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concurrencyPolicy: "Forbid"
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startingDeadlineSeconds: 0
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workflowSpec:
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entrypoint: argowf-chaos
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serviceAccountName: argo-chaos
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securityContext:
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runAsUser: 1000
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runAsNonRoot: true
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arguments:
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parameters:
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- name: adminModeNamespace
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value: "litmus"
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- name: appNamespace
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value: "kube-system"
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templates:
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- name: argowf-chaos
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steps:
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- - name: install-chaos-faults
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template: install-chaos-faults
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- - name: run-chaos
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template: run-chaos
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- - name: cleanup-chaos-resources
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template: cleanup-chaos-resources
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- name: install-chaos-faults
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inputs:
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artifacts:
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- name: install-chaos-faults
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path: /tmp/pod-cpu-hog.yaml
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raw:
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data: |
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apiVersion: litmuschaos.io/v1alpha1
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description:
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message: |
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Injects cpu consumption on pods belonging to an app deployment
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kind: ChaosExperiment
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metadata:
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name: pod-cpu-hog
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spec:
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definition:
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scope: Namespaced
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permissions:
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- apiGroups:
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- ""
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- "batch"
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- "litmuschaos.io"
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resources:
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- "jobs"
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- "pods"
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- "pods/log"
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- "events"
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- "chaosengines"
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- "chaosexperiments"
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- "chaosresults"
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verbs:
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- "create"
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- "list"
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- "get"
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- "patch"
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- "update"
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- "delete"
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image: "litmuschaos/go-runner:latest"
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imagePullPolicy: Always
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args:
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- -c
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- ./experiments -name pod-cpu-hog
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command:
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- /bin/bash
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env:
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- name: TOTAL_CHAOS_DURATION
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value: '30'
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- name: CHAOS_INTERVAL
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value: '10'
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## Number of CPU cores to stress
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- name: CPU_CORES
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value: '1'
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## Percentage of total pods to target
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- name: PODS_AFFECTED_PERC
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value: ''
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## Period to wait before and after injection of chaos in sec
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- name: RAMP_TIME
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value: ''
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- name: TARGET_POD
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value: ''
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labels:
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name: pod-cpu-hog
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container:
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image: litmuschaos/k8s:latest
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command: [sh, -c]
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args:
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[
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"kubectl apply -f /tmp/pod-cpu-hog.yaml -n {{workflow.parameters.adminModeNamespace}}",
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]
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- name: run-chaos
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inputs:
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artifacts:
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- name: run-chaos
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path: /tmp/chaosengine.yaml
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raw:
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data: |
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apiVersion: litmuschaos.io/v1alpha1
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kind: ChaosEngine
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metadata:
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name: kube-proxy-pod-cpu-hog-chaos
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namespace: {{workflow.parameters.adminModeNamespace}}
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labels:
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context: "{{workflow.parameters.appNamespace}}_kube-proxy"
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spec:
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appinfo:
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appns: kube-system
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applabel: "k8s-app=kube-proxy"
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appkind: daemonset
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jobCleanUpPolicy: retain
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engineState: 'active'
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chaosServiceAccount: litmus-admin
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experiments:
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- name: pod-cpu-hog
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spec:
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components:
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env:
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- name: TARGET_CONTAINER
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value: 'kube-proxy'
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- name: CPU_CORES
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value: '1'
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- name: TOTAL_CHAOS_DURATION
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value: '60' # in seconds
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- name: CHAOS_KILL_COMMAND
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value: "kill -9 $(ps afx | grep \"[md5sum] /dev/zero\" | awk '{print$1}' | tr '\n' ' ')"
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container:
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image: litmuschaos/litmus-checker:latest
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args: ["-file=/tmp/chaosengine.yaml", "-saveName=/tmp/engine-name"]
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- name: cleanup-chaos-resources
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container:
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image: litmuschaos/k8s:latest
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command: [sh, -c]
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args:
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[
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"kubectl delete chaosengine kube-proxy-pod-cpu-hog-chaos -n {{workflow.parameters.adminModeNamespace}}",
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]
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