feat(argo-cd): Add support for application controller dynamic cluster distribution. (#2539)

* Add support for application controller dynamic cluster distribution.

Signed-off-by: Oscar Wieman <oscar@oscarr.nl>

* Added env variables to handle the non-standard names generated by the helm chart.
https://argo-cd.readthedocs.io/en/release-2.9/user-guide/environment-variables/
99723143b9/common/common.go (L252)

Signed-off-by: Oscar Wieman <oscar@oscarr.nl>

---------

Signed-off-by: Oscar Wieman <oscar@oscarr.nl>

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

@@ -1,3 +1,4 @@
+{{- if not .Values.controller.dynamicClusterDistribution | default false }}
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
@@ -77,6 +78,8 @@ spec:
           {{- end }}
           - name: ARGOCD_CONTROLLER_REPLICAS
             value: {{ .Values.controller.replicas | quote }}
+          - name: ARGOCD_APPLICATION_CONTROLLER_NAME
+            value: {{ template "argo-cd.controller.fullname" . }}
           - name: ARGOCD_RECONCILIATION_TIMEOUT
             valueFrom:
               configMapKeyRef:
@@ -350,3 +353,4 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
       dnsPolicy: {{ .Values.controller.dnsPolicy }}
+{{- end }}