Convert ClusterRoles to Roles for all components for multiple namespaces (#2584)

*  Convert ClusterRoles to Roles for all components for multiple namespaces
* Added templates for rules and role generator to dynamically generate roles for each component
*  Fix role-generator component templating
* Enable namespaces variable for preupgradechecks

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
Co-authored-by: shaunak_deshmukh <shaunak@infracloud.io>
Co-authored-by: Sanket Sudake <sanketsudake@gmail.com>

charts/fission-all/templates/pre-upgrade-checks/clusterrole-fission-cr.yaml

@@ -1,38 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  name: {{ .Release.Name }}-fission-cr-preupgrade
-  annotations:
-    helm.sh/hook: pre-upgrade
-    helm.sh/hook-delete-policy: before-hook-creation
-    helm.sh/hook-weight: "-2"
-rules:
-- apiGroups:
-  - fission.io
-  resources:
-  - canaryconfigs
-  - environments
-  - functions
-  - httptriggers
-  - kuberneteswatchtriggers
-  - messagequeuetriggers
-  - packages
-  - timetriggers
-  verbs:
-  - list
----
-kind: ClusterRoleBinding
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: {{ .Release.Name }}-fission-cr-preupgrade
-  annotations:
-    helm.sh/hook: pre-upgrade
-    helm.sh/hook-delete-policy: before-hook-creation
-subjects:
-  - kind: ServiceAccount
-    name: fission-preupgrade
-    namespace: {{ .Release.Namespace }}
-roleRef:
-  kind: ClusterRole
-  name: {{ .Release.Name }}-fission-cr-preupgrade
-  apiGroup: rbac.authorization.k8s.io

charts/fission-all/templates/pre-upgrade-checks/pre-upgrade-job.yaml

@@ -36,6 +36,8 @@ spec:
         imagePullPolicy: {{ .Values.pullPolicy }}
         command: [ "/pre-upgrade-checks" ]
         args: ["--fn-pod-namespace", "{{ .Values.functionNamespace }}", "--envbuilder-namespace", "{{ .Values.builderNamespace }}"]
+        env:
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}
         {{- if .Values.terminationMessagePath }}
         terminationMessagePath: {{ .Values.terminationMessagePath }}
         {{- end }}

charts/fission-all/templates/pre-upgrade-checks/role-fission-cr.yaml

@@ -0,0 +1,7 @@
+{{- include "fission-role-generator" (merge (dict "namespace" .Values.defaultNamespace "component" "preupgrade") .) }}
+
+{{- if not .Values.singleDefaultNamespace }}
+{{- range $namespace := $.Values.additionalFissionNamespaces }}
+{{ include "fission-role-generator" (merge (dict "namespace" $namespace "component" "preupgrade") $) }}
+{{- end }}
+{{- end }}