Add ability to specify additional labels for controller and extension…

… pods (#4057)

* Add helm values for adding labels to controller and extensions pods

* Update site documentation for helm installation of agones operator to include label values for controller and extensions

* Hide changes of controller and extensions helm values documnetation under feature shortcode

install/helm/agones/templates/controller.yaml

@@ -59,6 +59,9 @@ spec:
         app: {{ template "agones.name" . }}
         release: {{ .Release.Name }}
         heritage: {{ .Release.Service }}
+{{- if .Values.agones.controller.labels }}
+{{- toYaml .Values.agones.controller.labels | nindent 8 }}
+{{- end }}
     spec:
       {{- if .Values.agones.controller.topologySpreadConstraints }}
       topologySpreadConstraints:

install/helm/agones/templates/extensions-deployment.yaml

@@ -52,6 +52,9 @@ spec:
         app: {{ template "agones.name" . }}
         release: {{ .Release.Name }}
         heritage: {{ .Release.Service }}
+{{- if .Values.agones.extensions.labels }}
+{{- toYaml .Values.agones.extensions.labels | nindent 8 }}
+{{- end }}
     spec:
       {{- if .Values.agones.extensions.topologySpreadConstraints }}
       topologySpreadConstraints:

install/helm/agones/values.yaml

@@ -54,6 +54,7 @@ agones:
       #   cpu: 1
       #   memory: 256Mi
     nodeSelector: {}
+    labels: {}
     annotations: {}
     tolerations:
     - key: "agones.dev/agones-system"
@@ -105,6 +106,7 @@ agones:
       #   memory: 256Mi
     nodeSelector: {}
     annotations: {}
+    labels: {}
   # Determines if the Agones extensions should operate in hostNetwork mode.
   #
   # This setting is necessary for certain managed Kubernetes clusters (e.g., AWS EKS) that use custom