feat(helm): add setting to disable service account creation (#14817)

Add a setting to disable service account creation

helm/coder/templates/coder.yaml

@@ -1,5 +1,7 @@
 ---
+{{- if not .Values.coder.serviceAccount.disableCreate }}
 {{ include "libcoder.serviceaccount" (list . "coder.serviceaccount") }}
+{{- end }}
 
 ---
 {{ include "libcoder.deployment" (list . "coder.deployment") }}

helm/coder/values.yaml

@@ -113,6 +113,8 @@ coder:
     annotations: {}
     # coder.serviceAccount.name -- The service account name
     name: coder
+    # coder.serviceAccount.name -- Whether to create the service account or use existing service account
+    disableCreate: true
 
   # coder.securityContext -- Fields related to the container's security
   # context (as opposed to the pod). Some fields are also present in the pod