fix(argo-applicationset): Fix leader election rbac (#674)

* fix(argo-applicationset): Fix leader election rbac
* fix(argo-applicationset): Add tests
* Use defaults volume mount flags

Signed-off-by: Matteo Ruina <matteo.ruina@gmail.com>

charts/argo-applicationset/templates/rbac.yaml

@@ -44,11 +44,22 @@ rules:
     - ""
     resources:
     - secrets
-    - configmaps
     verbs:
     - get
     - list
     - watch
+  - apiGroups:
+    - ""
+    resources:
+    - configmaps
+    verbs:
+    - create
+    - delete
+    - get
+    - list
+    - patch
+    - update
+    - watch
   - apiGroups:
     - apps
     - extensions
@@ -58,6 +69,18 @@ rules:
     - get
     - list
     - watch
+  - apiGroups:
+    - coordination.k8s.io
+    resources:
+    - leases
+    verbs:
+    - create
+    - delete
+    - get
+    - list
+    - patch
+    - update
+    - watch
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding