feat: Add a k6-loadgen chaos fault (#622)
* feat: add load dir Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * fix: chore Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * feat: add secret Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * fix: hostpath to secret Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * fix: fixed scope Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * fix: implement feedbacks Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * fix: chore Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * Update faults/load/k6-loadgen/engine.yaml Co-authored-by: Neelanjan Manna <neelanjanmanna@gmail.com> Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * Update faults/load/k6-loadgen/fault.yaml Co-authored-by: Neelanjan Manna <neelanjanmanna@gmail.com> Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> * Update faults/load/k6-loadgen/engine.yaml Co-authored-by: Neelanjan Manna <neelanjanmanna@gmail.com> Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> --------- Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr> Co-authored-by: Neelanjan Manna <neelanjanmanna@gmail.com>
This commit is contained in:
Namkyu Park
GitHub
96
faults/load/experiments.yaml
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96
faults/load/experiments.yaml
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---
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apiVersion: litmuschaos.io/v1alpha1
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description:
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message: |
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Execute the k6 engine using the JS script
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kind: ChaosExperiment
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metadata:
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name: k6-loadgen
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labels:
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name: k6-loadgen
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app.kubernetes.io/part-of: litmus
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app.kubernetes.io/component: chaosexperiment
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app.kubernetes.io/version: ci
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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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# Create and monitor the experiment & helper pods
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- apiGroups: [""]
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resources: ["pods"]
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verbs:
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[
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"create",
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"delete",
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"get",
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"list",
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"patch",
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"update",
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"deletecollection",
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]
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# Performs CRUD operations on the events inside chaosengine and chaosresult
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- apiGroups: [""]
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resources: ["events"]
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verbs: ["create", "get", "list", "patch", "update"]
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# Fetch configmaps & secrets details and mount it to the experiment pod (if specified)
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- apiGroups: [""]
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resources: ["secrets", "configmaps"]
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verbs: ["get", "list"]
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# Track and get the runner, experiment, and helper pods log
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- apiGroups: [""]
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resources: ["pods/log"]
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verbs: ["get", "list", "watch"]
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# for creating and managing to execute commands inside target container
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- apiGroups: [""]
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resources: ["pods/exec"]
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verbs: ["get", "list", "create"]
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# for configuring and monitor the experiment job by the chaos-runner pod
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- apiGroups: ["batch"]
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resources: ["jobs"]
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verbs: ["create", "list", "get", "delete", "deletecollection"]
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# for creation, status polling and deletion of litmus chaos resources used within a chaos workflow
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- apiGroups: ["litmuschaos.io"]
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resources: ["chaosengines", "chaosexperiments", "chaosresults"]
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verbs: ["create", "list", "get", "patch", "update", "delete"]
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image: "litmuschaos.docker.scarf.sh/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 k6-loadgen
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command:
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- /bin/bash
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env:
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# set chaos duration (in sec) as desired
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- name: TOTAL_CHAOS_DURATION
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value: "30"
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# Interval between chaos injection in sec
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- name: CHAOS_INTERVAL
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value: "30"
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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: "0"
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# Provide the secret name of the JS script
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- name: SCRIPT_SECRET_NAME
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value: "k6-script"
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# Provide the secret key of the JS script
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- name: SCRIPT_SECRET_KEY
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value: "script.js"
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# Provide the image name of the helper pod
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- name: LIB_IMAGE
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value: "ghcr.io/grafana/k6-operator:latest-runner"
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# Provide the image pull policy of the helper pod
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- name: LIBImagePullPolicy
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value: "Always"
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labels:
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name: k6-loadgen
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app.kubernetes.io/part-of: litmus
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app.kubernetes.io/component: experiment-job
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app.kubernetes.io/version: ci
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---
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BIN
faults/load/icons/k6-loadgen.png
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BIN
faults/load/icons/k6-loadgen.png
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BIN
faults/load/icons/load.png
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faults/load/icons/load.png
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After Width: | Height: | Size: 3.1 KiB |
45
faults/load/k6-loadgen/engine.yaml
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45
faults/load/k6-loadgen/engine.yaml
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---
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apiVersion: litmuschaos.io/v1alpha1
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kind: ChaosEngine
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metadata:
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name: nginx-chaos
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namespace: default
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spec:
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engineState: 'active'
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appinfo:
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appns: ''
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applabel: ''
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appkind: ''
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chaosServiceAccount: litmus-admin
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experiments:
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- name: k6-loadgen
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spec:
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components:
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env:
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# set chaos duration (in sec) as desired
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- name: TOTAL_CHAOS_DURATION
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value: "30"
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# Interval between chaos injection in sec
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- name: CHAOS_INTERVAL
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value: "30"
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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: "0"
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# Provide the secret name of the JS script
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- name: SCRIPT_SECRET_NAME
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value: "k6-script"
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# Provide the secret key of the JS script
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- name: SCRIPT_SECRET_KEY
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value: "script.js"
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# Provide the image name of the helper pod
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- name: LIB_IMAGE
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value: "ghcr.io/grafana/k6-operator:latest-runner"
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# Provide the image pull policy of the helper pod
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- name: LIB_IMAGE_PULL_POLICY
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value: "Always"
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95
faults/load/k6-loadgen/fault.yaml
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95
faults/load/k6-loadgen/fault.yaml
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@@ -0,0 +1,95 @@
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---
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apiVersion: litmuschaos.io/v1alpha1
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description:
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message: |
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Execute the k6 engine using the JS script
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kind: ChaosExperiment
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metadata:
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name: k6-loadgen
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labels:
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name: k6-loadgen
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app.kubernetes.io/part-of: litmus
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app.kubernetes.io/component: chaosexperiment
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app.kubernetes.io/version: ci
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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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# Create and monitor the experiment & helper pods
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- apiGroups: [""]
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resources: ["pods"]
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verbs:
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[
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"create",
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"delete",
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"get",
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"list",
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"patch",
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"update",
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"deletecollection",
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]
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# Performs CRUD operations on the events inside chaosengine and chaosresult
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- apiGroups: [""]
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resources: ["events"]
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verbs: ["create", "get", "list", "patch", "update"]
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# Fetch configmaps & secrets details and mount it to the experiment pod (if specified)
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- apiGroups: [""]
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resources: ["secrets", "configmaps"]
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verbs: ["get", "list"]
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# Track and get the runner, experiment, and helper pods log
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- apiGroups: [""]
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resources: ["pods/log"]
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verbs: ["get", "list", "watch"]
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# for creating and managing to execute commands inside target container
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- apiGroups: [""]
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resources: ["pods/exec"]
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verbs: ["get", "list", "create"]
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# for configuring and monitor the experiment job by the chaos-runner pod
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- apiGroups: ["batch"]
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resources: ["jobs"]
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verbs: ["create", "list", "get", "delete", "deletecollection"]
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# for creation, status polling and deletion of litmus chaos resources used within a chaos workflow
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- apiGroups: ["litmuschaos.io"]
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resources: ["chaosengines", "chaosexperiments", "chaosresults"]
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verbs: ["create", "list", "get", "patch", "update", "delete"]
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image: "litmuschaos.docker.scarf.sh/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 k6-loadgen
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command:
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- /bin/bash
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env:
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# set chaos duration (in sec) as desired
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- name: TOTAL_CHAOS_DURATION
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value: "30"
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# Interval between chaos injection in sec
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- name: CHAOS_INTERVAL
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value: "30"
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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: "0"
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# Provide the secret name of the JS script
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- name: SCRIPT_SECRET_NAME
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value: "k6-script"
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# Provide the secret key of the JS script
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- name: SCRIPT_SECRET_KEY
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value: "script.js"
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# Provide the image name of the helper pod
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- name: LIB_IMAGE
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value: "ghcr.io/grafana/k6-operator:latest-runner"
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# Provide the image pull policy of the helper pod
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- name: LIB_IMAGE_PULL_POLICY
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value: "Always"
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labels:
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name: k6-loadgen
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app.kubernetes.io/part-of: litmus
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app.kubernetes.io/component: experiment-job
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app.kubernetes.io/version: ci
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29
faults/load/k6-loadgen/k6-loadgen.chartserviceversion.yaml
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29
faults/load/k6-loadgen/k6-loadgen.chartserviceversion.yaml
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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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createdAt: 2024-02-10T01:00:00Z
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name: k6-loadgen
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version: 0.1.0
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annotations:
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categories: Load
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vendor: LitmusChaos
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spec:
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displayName: k6 Load Generator
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categoryDescription: |
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k6 is an open-source load testing tool that makes performance testing easy and productive for engineering teams. You can easily run load testing through a single JS script. It's a modern alternative to LoadRunner, Grinder, and JMeter.
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keywords:
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- k6
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- Load
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platforms:
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- kubernetes
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maintainers:
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- name: Namkyu Park
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email: lak9348@gmail.com
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minKubeVersion: 1.32.0
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links:
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- name: Documentation
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url: https://litmuschaos.github.io/litmus/experiments/categories/contents
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icon:
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- url:
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mediatype: ""
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32
faults/load/load.chartserviceversion.yaml
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32
faults/load/load.chartserviceversion.yaml
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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: load
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version: 0.1.0
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annotations:
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categories: Load
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chartDescription: Injects load on the application
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executionPlane: "kubernetes"
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spec:
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displayName: Load
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categoryDescription: >
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Load chaos contains different chaos experiments to test the app/platform service availability. It will install all the experiments which can be used to inject load into the services like VMs, Pods and so on.
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faults:
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- name: k6-loadgen
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description: It injects the load on the application using k6 load generator
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displayName: "k6 Load Generator"
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keywords:
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- Load
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maintainers:
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- name: Namkyu Park
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email: lak9348@gmail.com
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minKubeVersion: 1.32.0
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links:
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- name: Kubernetes Website
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url: https://kubernetes.io
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- name: k6 Website
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url: https://k6.io/
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icon:
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- url: https://github.com/litmuschaos/chaos-charts/blob/master/faults/load/icons/k6-loadgen.png
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mediatype: image/png
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6
faults/load/load.package.yaml
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6
faults/load/load.package.yaml
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---
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packageName: load
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experiments:
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- name: k6-loadgen
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CSV: k6-loadgen.chartserviceversion.yaml
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desc: "k6-loadgen"
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