feat: adding extraObjects to enable extra kubernetes manifest deployment

charts/ingress-nginx/Chart.yaml

@@ -20,4 +20,4 @@ maintainers:
 name: ingress-nginx
 sources:
 - https://github.com/kubernetes/ingress-nginx
-version: 4.13.3
+version: 4.13.4

charts/ingress-nginx/templates/extra-objects.yaml

@@ -0,0 +1,8 @@
+{{- range .Values.extraObjects }}
+---
+{{- if typeIs "string" . }}
+{{- tpl . $ }}
+{{- else }}
+{{- tpl (. | toYaml) $ }}
+{{- end }}
+{{- end }}

charts/ingress-nginx/values.yaml

@@ -1267,3 +1267,21 @@ portNamePrefix: ""
 # This can be generated with: `openssl dhparam 4096 2> /dev/null | base64`
 ## Ref: https://github.com/kubernetes/ingress-nginx/tree/main/docs/examples/customization/ssl-dh-param
 dhParam: ""
+
+# extraObjects allows you to add any extra Kubernetes manifests to this chart
+extraObjects: []
+# Examples:
+# Defining as a Structured YAML Object Example:
+#   extraObjects:
+#   - apiVersion: v1
+#     kind: ConfigMap
+#     metadata:
+#       name: cert-manager-configmap-{{ .Release.Name }}
+#
+# Using a String for Advanced Templating Example:
+#   extraObjects:
+#   - |
+#     apiVersion: v1
+#     kind: ConfigMap
+#     metadata:
+#       name: cert-manager-configmap-{{ include "some-other-template" }}