Allow namespace configuration for different CRD resources in Fission (#2539)

* Allow multiple namespaces for builder manager
* Enable multiple namespaces for executor informers
* Added missing context
* helm chart support for multiple namespaces
* Directly consume map type from GetInformerForNamespaces fn
* Optimize function resolver by choosing namespace-specific informer
* helm chart support for multiple namespaces
* consider default namespace and move duplicate code to helm template
* Improve documentation for fission namespace values

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
Co-authored-by: shubham bansal <shubhambansaliimtgn@gmail.com>

charts/fission-all/templates/_helpers.tpl

@@ -71,3 +71,12 @@ This template generates the image name for the deployment depending on the value
 - name: OTEL_PROPAGATORS
   value: "{{ .Values.openTelemetry.propagators }}"
 {{- end }}
+
+{{- define "fission-resource-namespace.envs" }}
+- name: FISSION_RESOURCE_NAMESPACES
+{{- if not .Values.singleDefaultNamespace }}
+  value: "{{ .Values.defaultNamespace }},{{ join "," .Values.additionalFissionNamespaces }}"
+{{- else }}
+  value: {{ .Values.defaultNamespace }}  
+{{- end }}
+{{- end }}

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

@@ -55,6 +55,7 @@ spec:
           value: {{ .Values.pprof.enabled | quote }}
         - name: HELM_RELEASE_NAME
           value: {{ .Release.Name | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}  
         {{- include "opentelemtry.envs" . | indent 8 }}
         ports:
           - containerPort: 8080

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

@@ -38,6 +38,7 @@ spec:
           value: {{ .Values.debugEnv | quote }}
         - name: PPROF_ENABLED
           value: {{ .Values.pprof.enabled | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }} 
         - name: POD_NAMESPACE
           valueFrom:
             fieldRef:

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

@@ -71,6 +71,7 @@ spec:
         - name: CONTAINER_OBJECT_REAPER_INTERVAL
           value: {{ .Values.executor.container.objectReaperInterval | quote }}
         {{- end}}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}
         - name: HELM_RELEASE_NAME
           value: {{ .Release.Name | quote }}
         {{- include "opentelemtry.envs" . | indent 8 }}

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

@@ -29,6 +29,7 @@ spec:
           value: {{ .Values.debugEnv | quote }}
         - name: PPROF_ENABLED
           value: {{ .Values.pprof.enabled | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}  
         {{- include "opentelemtry.envs" . | indent 8 }}
         resources:
           {{- toYaml .Values.kubewatcher.resources | nindent 10 }}

charts/fission-all/templates/mqt-fission-kafka/deployment.yaml

@@ -47,6 +47,7 @@ spec:
           value: {{ .Values.debugEnv | quote }}
         - name: PPROF_ENABLED
           value: {{ .Values.pprof.enabled | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }} 
         {{- include "opentelemtry.envs" . | indent 8 }}
         # TLS authentication is TLS with authentication (2 way)
         # More info: https://docs.confluent.io/current/kafka/authentication_ssl.html#ssl-overview

charts/fission-all/templates/mqt-keda/deployment.yaml

@@ -46,6 +46,7 @@ spec:
           value: "{{ .Values.mqt_keda.connector_images.gcp_pubsub.image }}:{{ .Values.mqt_keda.connector_images.gcp_pubsub.tag }}"
         - name: REDIS_IMAGE
           value: "{{ .Values.mqt_keda.connector_images.redis.image }}:{{ .Values.mqt_keda.connector_images.redis.tag }}"
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
         resources:
           {{- toYaml .Values.mqt_keda.resources | nindent 10 }}

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

@@ -83,6 +83,7 @@ spec:
           value: {{ .Values.pprof.enabled | quote }}
         - name: DISPLAY_ACCESS_LOG
           value: {{ .Values.router.displayAccessLog | default false | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}  
         {{- include "opentelemtry.envs" . | indent 8 }}
         resources:
           {{- toYaml .Values.router.resources | nindent 10 }}

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

@@ -60,6 +60,7 @@ spec:
         - name: STORAGE_S3_REGION
           value: {{ .Values.persistence.s3.region }}
         {{- end }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
         resources:
           {{- toYaml .Values.storagesvc.resources | nindent 10 }}

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

@@ -29,6 +29,7 @@ spec:
           value: {{ .Values.debugEnv | quote }}
         - name: PPROF_ENABLED
           value: {{ .Values.pprof.enabled | quote }}
+        {{- include "fission-resource-namespace.envs" . | indent 8 }}
         {{- include "opentelemtry.envs" . | indent 8 }}
         resources:
           {{- toYaml .Values.timer.resources | nindent 10 }}