Allow use of numeric namespaces in helm chart

charts/ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml

@@ -16,5 +16,5 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: {{ include "ingress-nginx.fullname" . }}-admission
-    namespace: {{ .Release.Namespace }}
+    namespace: {{ .Release.Namespace | quote }}
 {{- end }}

charts/ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml

@@ -16,5 +16,5 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: {{ include "ingress-nginx.fullname" . }}-admission
-    namespace: {{ .Release.Namespace }}
+    namespace: {{ .Release.Namespace | quote }}
 {{- end }}

charts/ingress-nginx/templates/admission-webhooks/validating-webhook.yaml

@@ -31,7 +31,7 @@ webhooks:
       - v1beta1
     clientConfig:
       service:
-        namespace: {{ .Release.Namespace }}
+        namespace: {{ .Release.Namespace | quote }}
         name: {{ include "ingress-nginx.controller.fullname" . }}-admission
         path: /networking/v1beta1/ingresses
     {{- if .Values.controller.admissionWebhooks.timeoutSeconds }}

charts/ingress-nginx/templates/clusterrolebinding.yaml

@@ -12,5 +12,5 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: {{ template "ingress-nginx.serviceAccountName" . }}
-    namespace: {{ .Release.Namespace }}
+    namespace: {{ .Release.Namespace | quote }}
 {{- end }}

charts/ingress-nginx/templates/controller-prometheusrules.yaml

@@ -4,7 +4,7 @@ kind: PrometheusRule
 metadata:
   name: {{ include "ingress-nginx.controller.fullname" . }}
 {{- if .Values.controller.metrics.prometheusRule.namespace }}
-  namespace: {{ .Values.controller.metrics.prometheusRule.namespace }}
+  namespace: {{ .Values.controller.metrics.prometheusRule.namespace | quote }}
 {{- end }}
   labels:
     {{- include "ingress-nginx.labels" . | nindent 4 }}

charts/ingress-nginx/templates/controller-rolebinding.yaml

@@ -13,5 +13,5 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: {{ template "ingress-nginx.serviceAccountName" . }}
-    namespace: {{ .Release.Namespace }}
+    namespace: {{ .Release.Namespace | quote }}
 {{- end }}

charts/ingress-nginx/templates/controller-servicemonitor.yaml

@@ -4,7 +4,7 @@ kind: ServiceMonitor
 metadata:
   name: {{ include "ingress-nginx.controller.fullname" . }}
 {{- if .Values.controller.metrics.serviceMonitor.namespace }}
-  namespace: {{ .Values.controller.metrics.serviceMonitor.namespace }}
+  namespace: {{ .Values.controller.metrics.serviceMonitor.namespace | quote }}
 {{- end }}
   labels:
     {{- include "ingress-nginx.labels" . | nindent 4 }}

charts/ingress-nginx/templates/default-backend-rolebinding.yaml

@@ -13,5 +13,5 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: {{ template "ingress-nginx.defaultBackend.serviceAccountName" . }}
-    namespace: {{ .Release.Namespace }}
+    namespace: {{ .Release.Namespace | quote }}
 {{- end }}