feat: Add option to disable pre-install hook job via enablePreInstallJob flag (#456)

chore: bump the chart version to 3.21.1




feat(litmus-agent): add enablePreInstallJob flag to disable pre-install hook job and update docs

Signed-off-by: arunkumar-1992 <[email protected]>
Co-authored-by: Arunkumar Chithaluri <[email protected]>

Author: arunkumar-1992

charts/litmus-agent/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "3.21.0"
 description: A Helm chart to install litmus agent
 name: litmus-agent
-version: 3.21.0
+version: 3.21.1
 kubeVersion: ">=1.16.0-0"
 home: https://litmuschaos.io
 sources:

charts/litmus-agent/README.md

@@ -1,6 +1,6 @@
 # litmus-agent
 
-![Version: 3.21.0](https://img.shields.io/badge/Version-3.21.0-informational?style=flat-square) ![AppVersion: 3.21.0](https://img.shields.io/badge/AppVersion-3.21.0-informational?style=flat-square)
+![Version: 3.21.1](https://img.shields.io/badge/Version-3.21.1-informational?style=flat-square) ![AppVersion: 3.21.0](https://img.shields.io/badge/AppVersion-3.21.0-informational?style=flat-square)
 
 A Helm chart to install litmus agent
 
@@ -71,6 +71,7 @@ $ helm install litmus-agent litmuschaos/litmus-agent \
 | chaos-exporter.enabled | bool | `true` |  |
 | chaos-operator.enabled | bool | `true` |  |
 | crds.create | bool | `true` |  |
+| enablePreInstallJob | bool | `true` | Enable the pre-install hook job that registers this agent with ChaosCenter. Set to false for standallone litmus-agent installation (no ChaosCenter) however other ChaosCenter resources (e.g., hook Secrets/ConfigMaps) may still be rendered; manage them via their own flags (e.g., useExistingHookSecret). |
 | event-tracker.enabled | bool | `true` |  |
 | global.INFRA_MODE | string | `"cluster"` |  |
 | global.customLabels | object | `{}` |  |

charts/litmus-agent/templates/hook-pre-install-job.yaml

@@ -1,3 +1,4 @@
+{{- if .Values.enablePreInstallJob }}
 apiVersion: batch/v1
 kind: Job
 metadata:
@@ -83,3 +84,4 @@ spec:
 
         resources:
           {{- toYaml .Values.resources | nindent 10 }}
+{{end}}

charts/litmus-agent/values.yaml

@@ -50,6 +50,11 @@ resources:
     cpu: 100m
     memory: 128Mi
 
+# -- Enable the pre-install hook job that registers this agent with ChaosCenter.
+# Set to false for standallone litmus-agent installation (no ChaosCenter) however other ChaosCenter resources (e.g., hook Secrets/ConfigMaps) may still be rendered;
+# manage them via their own flags (e.g., useExistingHookSecret).
+enablePreInstallJob: true
+
 # Existing Secret name should be:
 # `{{ include "subscriber.fullname" . }}-hook`
 # I.E. `name: litmus-agent-hook`