Rbac resources per release for multiple installation on same cluster (#2302)

* Change RBAC resource names work for multiple Fission release
* Fetch secret configmap and package cluster role based on the release name
* Remove default namespace hardcoding from helm chart

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

charts/fission-all/templates/misc-functions/role.yaml

@@ -1,8 +1,8 @@
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
-  name: fission-fetcher
-  namespace: default
+  name: {{ .Release.Name }}-fission-fetcher
+  namespace: {{ .Values.defaultNamespace }}
 rules:
   - apiGroups:
       - ""
@@ -38,8 +38,8 @@ rules:
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
-  name: fission-builder
-  namespace: default
+  name: {{ .Release.Name }}-fission-builder
+  namespace: {{ .Values.defaultNamespace }}
 rules:
   - apiGroups:
       - fission.io
@@ -60,7 +60,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
   namespace: {{ .Values.functionNamespace }}
-  name: event-fetcher
+  name: {{ .Release.Name }}-event-fetcher
 rules:
   - apiGroups: [""] # "" indicates the core API group
     resources: ["pods"]