chore: refactor role

Author: aagumin

charts/spark-connect/templates/role.yaml

@@ -1,4 +1,8 @@
-{{- if .Values.serviceAccount.create -}}
+{{- $shouldCreateServiceAccount := .Values.serviceAccount.create -}}
+{{- $resourceList := list "pods" "services" "configmaps" -}}
+{{- $verbList := list "*" -}}
+
+{{- if $shouldCreateServiceAccount }}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
@@ -7,6 +11,6 @@ metadata:
     {{- include "spark.labels" . | nindent 4 }}
 rules:
 - apiGroups: [""]
-  resources: ["pods", "services", "configmaps"]
-  verbs: ["*"]
+  resources: {{ toJson $resourceList }}
+  verbs: {{ toJson $verbList }}
 {{- end }}