Enable specifying helm chart deployment namespace

Fixes #1407

Author: fresende

Makefile

@@ -29,7 +29,7 @@ WHEEL_FILE:=dist/jupyter_enterprise_gateway-$(VERSION)-py3-none-any.whl
 SDIST_FILE:=dist/jupyter_enterprise_gateway-$(VERSION).tar.gz
 DIST_FILES=$(WHEEL_FILE) $(SDIST_FILE)
 
-HELM_DESIRED_VERSION:=v3.8.2  # Pin the version of helm to use (v3.8.2 is latest as of 4/21/22)
+HELM_DESIRED_VERSION:=v3.18.3  # Pin the version of helm to use (v3.18.3 is latest as of 6/21/25)
 HELM_CHART_VERSION:=$(shell grep version: etc/kubernetes/helm/enterprise-gateway/Chart.yaml | sed 's/version: //')
 HELM_CHART_PACKAGE:=dist/enterprise-gateway-$(HELM_CHART_VERSION).tgz
 HELM_CHART:=dist/jupyter_enterprise_gateway_helm-$(VERSION).tar.gz

etc/kubernetes/helm/enterprise-gateway/templates/daemonset.yaml

@@ -3,7 +3,7 @@ apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: kernel-image-puller
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   labels:
     gateway-selector: enterprise-gateway
     app: enterprise-gateway

etc/kubernetes/helm/enterprise-gateway/templates/deployment.yaml

@@ -3,7 +3,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: enterprise-gateway
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   labels:
     gateway-selector: enterprise-gateway
     app: enterprise-gateway

etc/kubernetes/helm/enterprise-gateway/templates/eg-serviceaccount.yaml

@@ -11,7 +11,7 @@ imagePullSecrets:
 {{- end }}
 metadata:
   name: {{ .Values.deployment.serviceAccountName }}
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   labels:
     app: enterprise-gateway
     component: enterprise-gateway

etc/kubernetes/helm/enterprise-gateway/templates/ingress.yaml

@@ -9,7 +9,7 @@ apiVersion: extensions/v1beta1
 {{- end }}
 kind: Ingress
 metadata:
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   name: enterprise-gateway-ingress
 {{- if .Values.ingress.annotations }}
   annotations:

etc/kubernetes/helm/enterprise-gateway/templates/kip-serviceaccount.yaml

@@ -11,7 +11,7 @@ imagePullSecrets:
 {{- end }}
 metadata:
   name: {{ .Values.kip.serviceAccountName }}
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   labels:
     app: enterprise-gateway
     component: enterprise-gateway

etc/kubernetes/helm/enterprise-gateway/templates/service.yaml

@@ -13,7 +13,7 @@ metadata:
   {{- end }}
 
   name: enterprise-gateway
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
 spec:
   ports:
     {{- range $key, $val := .Values.service.ports }}