refactors directory and file structure
Signed-off-by: neelanjan00 <neelanjan.manna@harness.io>
This commit is contained in:
neelanjan00
149
experiments/node-memory-hog/experiment.yaml
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149
experiments/node-memory-hog/experiment.yaml
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apiVersion: argoproj.io/v1alpha1
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kind: Workflow
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metadata:
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generateName: argowf-chaos-node-memory-hog-
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namespace: litmus
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labels:
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subject: "{{workflow.parameters.context}}"
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spec:
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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: context
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value: "node-memory-hog_infra"
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templates:
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- name: argowf-chaos
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steps:
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- - name: install-experiment
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template: install-experiment
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- - name: run-chaos
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template: run-chaos
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- - name: revert-chaos
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template: revert-chaos
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- name: install-experiment
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inputs:
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artifacts:
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- name: install-experiment
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path: /tmp/node-memory-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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Give a memory hog on a node belonging to a deployment
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kind: ChaosExperiment
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metadata:
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name: node-memory-hog
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spec:
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definition:
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scope: Cluster
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permissions:
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- apiGroups:
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- ""
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- "batch"
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- "apps"
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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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- apiGroups:
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- ""
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resources:
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- "nodes"
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verbs:
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- "get"
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- "list"
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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 node-memory-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: '120'
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## specify the size as percent of total available memory (in percentage)
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## Default value "90"
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- name: MEMORY_PERCENTAGE
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value: '90'
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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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# provide lib image
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- name: LIB_IMAGE
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value: 'litmuschaos/go-runner:latest'
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labels:
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name: node-memory-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/node-memory-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-node-memory-hog-chaos
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namespace: {{workflow.parameters.adminModeNamespace}}
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labels:
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context: "{{workflow.parameters.context}}"
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spec:
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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: node-memory-hog
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spec:
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components:
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env:
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- name: MEMORY_PERCENTAGE
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value: '50'
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- name: TOTAL_CHAOS_DURATION
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value: '60' # in seconds
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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: revert-chaos
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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-node-memory-hog-chaos -n {{workflow.parameters.adminModeNamespace}}",
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]
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144
experiments/node-memory-hog/experiment_cron.yaml
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144
experiments/node-memory-hog/experiment_cron.yaml
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@@ -0,0 +1,144 @@
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apiVersion: argoproj.io/v1alpha1
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kind: CronWorkflow
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metadata:
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name: argo-chaos-node-memory-cron-wf
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namespace: litmus
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labels:
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subject: "{{workflow.parameters.context}}"
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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: context
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value: "node-memory-hog_infra"
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templates:
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- name: argowf-chaos
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steps:
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- - name: install-experiment
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template: install-experiment
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- - name: run-chaos
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template: run-chaos
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- - name: revert-chaos
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template: revert-chaos
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- name: install-experiment
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inputs:
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artifacts:
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- name: install-experiment
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path: /tmp/node-memory-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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Give a memory hog on a node belonging to a deployment
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kind: ChaosExperiment
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metadata:
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name: node-memory-hog
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spec:
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definition:
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scope: Cluster
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permissions:
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- apiGroups:
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- ""
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- "batch"
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- "apps"
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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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- apiGroups:
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- ""
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resources:
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- "nodes"
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verbs:
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- "get"
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- "list"
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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 node-memory-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: '120'
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## specify the size as percent of total available memory (in percentage)
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## Default value "90"
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- name: MEMORY_PERCENTAGE
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value: '90'
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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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# provide lib image
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- name: LIB_IMAGE
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value: 'litmuschaos/go-runner:latest'
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labels:
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name: node-memory-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/node-memory-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-node-memory-hog-chaos
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namespace: {{workflow.parameters.adminModeNamespace}}
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labels:
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context: "{{workflow.parameters.context}}"
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spec:
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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: node-memory-hog
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spec:
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components:
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env:
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- name: MEMORY_PERCENTAGE
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value: '50'
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- name: TOTAL_CHAOS_DURATION
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value: '60' # in seconds
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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: revert-chaos
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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-node-memory-hog-chaos -n {{workflow.parameters.adminModeNamespace}}",
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]
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@@ -0,0 +1,30 @@
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---
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apiVersion: litmuschaos.io/v1alpha1
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kind: ChartServiceVersion
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metadata:
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name: node-memory-hog
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version: 0.1.0
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annotations:
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categories: node-memory-hog
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chartDescription: Node memory hog injects a memory spike on a node where the application pod is scheduled.
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spec:
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displayName: Node Memory Hog
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categoryDescription: >
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Node memory hog fault disrupts the state of Kubernetes resources. This fault injects a memory spike on a node where the application pod is scheduled.
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- Memory hog on a particular node where the application deployment is available.
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- After the test, the recovery should be manual for the application pod and node in case they are not in an appropriate state.
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faults:
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- name: node-memory-hog
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description: Node memory hog injects a memory spike on a node where the application pod is scheduled.
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keywords:
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- Kubernetes
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platforms:
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- GKE
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- EKS
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- AKS
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- Kind
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- Rancher
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- OpenShift(OKD)
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icon:
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- url:
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mediatype: ""
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