Add the ability to define imagePullSecrets for service account

Author: cognifloyd

templates/service-account.yaml

@@ -13,4 +13,8 @@ metadata:
     app: "{{ template "stackstorm-ha.name" . }}"
     heritage: "{{ .Release.Service }}"
     release: "{{ .Release.Name }}"
+  {{- if .Values.serviceAccount.pullSecret }}
+  imagePullSecrets:
+  - name: "{{ .Values.serviceAccount.pullSecret }}"
+  {{- end }}
 {{- end }}

values.yaml

@@ -29,6 +29,10 @@ serviceAccount:
   serviceAccountAnnotations: {}
   # Used to override service account name
   serviceAccountName:
+  # Fallback image pull secret.
+  # If a pod does not have pull secrets, k8s will use the service account's pull secrets.
+  # See: https://kubernetes.io/docs/reference/access-authn-authz/service-accounts-admin/#serviceaccount-admission-controller
+  #pullSecret: "your-pull-secret"
 
 ##
 ## StackStorm shared variables