Fixed: Allow to disable owner references for cross namespace access with builder and function namespace (#3024)

* Add DISABLE_OWNER_REFERENCES env variable to executor and buildermgr deployment.
Use this env var to decide adding ownerReferences to K8s resources created by fission CRD.
* Resolve review comments
* Fix lint failure

---------

Signed-off-by: Md Soharab Ansari <soharab.ansari@infracloud.io>

charts/fission-all/templates/buildermgr/deployment.yaml

@@ -51,6 +51,8 @@ spec:
           value: {{ .Values.fetcher.resource.mem.limits | quote }}
         - name: DEBUG_ENV
           value: {{ .Values.debugEnv | quote }}
+        - name: DISABLE_OWNER_REFERENCES
+          value: {{ .Values.disableOwnerReference | quote }}
         - name: PPROF_ENABLED
           value: {{ .Values.pprof.enabled | quote }}
         - name: HELM_RELEASE_NAME

charts/fission-all/templates/executor/deployment.yaml

@@ -76,6 +76,8 @@ spec:
           value: {{ .Values.executor.serviceAccountCheck.enabled | quote }}  
         - name: SERVICEACCOUNT_CHECK_INTERVAL
           value: {{ .Values.executor.serviceAccountCheck.interval | quote }}
+        - name: DISABLE_OWNER_REFERENCES
+          value: {{ .Values.disableOwnerReference | quote }}
         {{- end}}  
         {{- include "fission-resource-namespace.envs" . | indent 8 }}
         {{- include "kube_client.envs" . | indent 8 }}

charts/fission-all/values.yaml

@@ -88,6 +88,13 @@ additionalFissionNamespaces: []
 ##
 createNamespace: true
 
+## disableOwnerReference decides to set OwnerReference to K8s resources like deployment, services, hpa etc. created by Fission.
+## If set to true, the K8s resources created by Fission will not have OwnerReference set.
+## Set to false if you want to add OwnerReference to K8s resources created by Fission.
+##
+## Set to true if you are using cross namespace meaning `builderNamespace` and `functionNamespace` are set.
+disableOwnerReference: false
+
 ## enableIstio indicates whether to enable istio integration.
 ##
 enableIstio: false