feat: allow controller replicas to be set (#496)

Signed-off-by: mr-sour <mr-sour@users.noreply.github.com>

Co-authored-by: mr-sour <mr-sour@users.noreply.github.com>

charts/argo-cd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 1.7.6
 description: A Helm chart for ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 2.9.5
+version: 2.10.0
 home: https://github.com/argoproj/argo-helm
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 keywords:

charts/argo-cd/README.md

@@ -119,6 +119,7 @@ Helm v3 has removed the `install-crds` hook so CRDs are now populated by files i
 | controller.readinessProbe.periodSeconds | [Kubernetes probe configuration](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes) | `10` |
 | controller.readinessProbe.successThreshold | [Kubernetes probe configuration](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes) | `1` |
 | controller.readinessProbe.timeoutSeconds | [Kubernetes probe configuration](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes) | `1` |
+| controller.replicas | The number of controller pods to run | `1` |\
 | controller.resources | Resource limits and requests for the controller pods. | `{}` |
 | controller.service.annotations | Controller service annotations. | `{}` |
 | controller.service.labels | Controller service labels. | `{}` |

charts/argo-cd/templates/argocd-application-controller/deployment.yaml

@@ -17,7 +17,7 @@ spec:
       app.kubernetes.io/name: {{ include "argo-cd.name" . }}-application-controller
       app.kubernetes.io/instance: {{ .Release.Name }}
   revisionHistoryLimit: 5
-  replicas: 1
+  replicas: {{ .Values.controller.replicas }}
   template:
     metadata:
       {{- if .Values.controller.podAnnotations }}

charts/argo-cd/values.yaml

@@ -31,6 +31,10 @@ controller:
     tag: # v1.7.6
     imagePullPolicy: # IfNotPresent
 
+  # If changing the number of replicas you must pass the number as ARGOCD_CONTROLLER_REPLICAS as an environment variable
+  replicas: 1
+
+
   ## Argo controller commandline flags
   args:
     statusProcessors: "20"
@@ -49,6 +53,9 @@ controller:
   ## Environment variables to pass to argocd-controller
   ##
   env: []
+   # - name: "ARGOCD_CONTROLLER_REPLICAS"
+   #   value: ""
+
 
   ## Annotations to be added to controller pods
   ##