feat: Add a k6-loadgen chaos fault (litmuschaos#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>
ispeakc0de · Apr 29, 2024 · 1311908 · 1311908
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diff --git a/faults/load/experiments.yaml b/faults/load/experiments.yaml
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+---
+apiVersion: litmuschaos.io/v1alpha1
+description:
+  message: |
+    Execute the k6 engine using the JS script
+kind: ChaosExperiment
+metadata:
+  name: k6-loadgen
+  labels:
+    name: k6-loadgen
+    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 & secrets details and mount it to the experiment pod (if specified)
+      - apiGroups: [""]
+        resources: ["secrets", "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"]
+    image: "litmuschaos.docker.scarf.sh/litmuschaos/go-runner:latest"
+    imagePullPolicy: Always
+    args:
+      - -c
+      - ./experiments -name k6-loadgen
+    command:
+      - /bin/bash
+    env:
+      # set chaos duration (in sec) as desired
+      - name: TOTAL_CHAOS_DURATION
+        value: "30"
+
+      # Interval between chaos injection in sec
+      - name: CHAOS_INTERVAL
+        value: "30"
+
+      # Period to wait before and after injection of chaos in sec
+      - name: RAMP_TIME
+        value: "0"
+
+      # Provide the secret name of the JS script
+      - name: SCRIPT_SECRET_NAME
+        value: "k6-script"
+
+      # Provide the secret key of the JS script
+      - name: SCRIPT_SECRET_KEY
+        value: "script.js"
+
+      # Provide the image name of the helper pod
+      - name: LIB_IMAGE
+        value: "ghcr.io/grafana/k6-operator:latest-runner"
+
+      # Provide the image pull policy of the helper pod
+      - name: LIBImagePullPolicy
+        value: "Always"
+
+    labels:
+      name: k6-loadgen
+      app.kubernetes.io/part-of: litmus
+      app.kubernetes.io/component: experiment-job
+      app.kubernetes.io/version: ci
+---
diff --git a/faults/load/icons/k6-loadgen.png b/faults/load/icons/k6-loadgen.png
diff --git a/faults/load/icons/load.png b/faults/load/icons/load.png
diff --git a/faults/load/k6-loadgen/engine.yaml b/faults/load/k6-loadgen/engine.yaml
@@ -0,0 +1,45 @@
+---
+apiVersion: litmuschaos.io/v1alpha1
+kind: ChaosEngine
+metadata:
+  name: nginx-chaos
+  namespace: default
+spec:
+  engineState: 'active'
+  appinfo:
+    appns: ''
+    applabel: ''
+    appkind: ''
+  chaosServiceAccount: litmus-admin
+  experiments:
+    - name: k6-loadgen
+      spec:
+        components:
+          env:
+            # set chaos duration (in sec) as desired
+            - name: TOTAL_CHAOS_DURATION
+              value: "30"
+
+            # Interval between chaos injection in sec
+            - name: CHAOS_INTERVAL
+              value: "30"
+
+            # Period to wait before and after injection of chaos in sec
+            - name: RAMP_TIME
+              value: "0"
+
+            # Provide the secret name of the JS script
+            - name: SCRIPT_SECRET_NAME
+              value: "k6-script"
+
+            # Provide the secret key of the JS script
+            - name: SCRIPT_SECRET_KEY
+              value: "script.js"
+
+            # Provide the image name of the helper pod
+            - name: LIB_IMAGE
+              value: "ghcr.io/grafana/k6-operator:latest-runner"
+
+            # Provide the image pull policy of the helper pod
+            - name: LIB_IMAGE_PULL_POLICY
+              value: "Always"