Replace .Values.namespace with .Release.Namespace

- Update opencloud.namespace helper function to use .Release.Namespace
- Update references in traefik-middleware.yaml and NOTES.txt
- Mark namespace in values.yaml as deprecated

Fixes opencloud-eu#10

Author: michaelstingl

charts/opencloud/templates/NOTES.txt

@@ -57,7 +57,7 @@ The following services have been deployed:
 {{- if .Values.httpRoute.enabled }}
 IMPORTANT: This chart includes HTTPRoute resources that route traffic to the OpenCloud, Keycloak, and MinIO services.
 All HTTPRoutes are configured to use the Gateway named "{{ .Values.httpRoute.gateway.name }}" in the
-{{ if .Values.httpRoute.gateway.namespace }}{{ .Values.httpRoute.gateway.namespace }}{{ else }}{{ .Values.namespace }}{{ end }} namespace.
+{{ if .Values.httpRoute.gateway.namespace }}{{ .Values.httpRoute.gateway.namespace }}{{ else }}{{ include "opencloud.namespace" . }}{{ end }} namespace.
 
 Make sure the Gateway exists and is properly configured to accept traffic for the following domains:
 - OpenCloud: {{ include "opencloud.domain" . }} (Service: {{ include "opencloud.opencloud.fullname" . }}, Port: 9200)

charts/opencloud/templates/_helpers/tpl.yaml

@@ -143,11 +143,7 @@ Create a fully qualified Tika name.
 Return the namespace to use
 */}}
 {{- define "opencloud.namespace" -}}
-{{- if .Values.namespace -}}
-{{- .Values.namespace -}}
-{{- else -}}
 {{- .Release.Namespace -}}
-{{- end -}}
 {{- end }}
 
 {{/*

charts/opencloud/templates/gateway/traefik-middleware.yaml

@@ -3,7 +3,7 @@ apiVersion: traefik.io/v1alpha1
 kind: Middleware
 metadata:
   name: add-x-forwarded-proto-https
-  namespace: {{ .Values.namespace }}
+  namespace: {{ include "opencloud.namespace" . }}
 spec:
   headers:
     customRequestHeaders:

charts/opencloud/values.yaml

@@ -21,8 +21,8 @@
 # GLOBAL SETTINGS
 # =====================================================================
 
-# Namespace to install the chart into
-namespace: ""
+# Deprecated: Namespace is now controlled by Helm (.Release.Namespace)
+# namespace: ""
 # Create the namespace if it doesn't exist
 createNamespace: true