feat: set service account name in helm (#5913)

Signed-off-by: Spike Curtis <spike@coder.com>

helm/templates/coder.yaml

@@ -3,7 +3,7 @@
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: coder
+  name: {{ .Values.coder.serviceAccount.name | quote }}
   annotations: {{ toYaml .Values.coder.serviceAccount.annotations | nindent 4 }}
   labels:
     {{- include "coder.labels" . | nindent 4 }}
@@ -26,7 +26,7 @@ spec:
       labels:
         {{- include "coder.labels" . | nindent 8 }}
     spec:
-      serviceAccountName: coder
+      serviceAccountName: {{ .Values.coder.serviceAccount.name | quote }}
       restartPolicy: Always
       {{- with .Values.coder.image.pullSecrets }}
       imagePullSecrets:

helm/templates/rbac.yaml

@@ -16,10 +16,10 @@ rules:
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
-  name: coder
+  name: {{ .Values.coder.serviceAccount.name | quote }}
 subjects:
   - kind: ServiceAccount
-    name: coder
+    name: {{ .Values.coder.serviceAccount.name | quote }}
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role

helm/values.yaml

@@ -47,6 +47,8 @@ coder:
     workspacePerms: true
     # coder.serviceAccount.annotations -- The Coder service account annotations.
     annotations: {}
+    # coder.serviceAccount.name -- The service account name
+    name: coder
 
   # coder.env -- The environment variables to set for Coder. These can be used
   # to configure all aspects of `coder server`. Please see `coder server --help`