Helm chart: Allow the creation of extra manifests via values

deploy/charts/cert-manager/README.template.md

@@ -1805,6 +1805,24 @@ Additional volume mounts to add to the cert-manager controller container.
 > ```
 
 enableServiceLinks indicates whether information about services should be injected into pod's environment variables, matching the syntax of Docker links.
+#### **extraObjects** ~ `array`
+> Default value:
+> ```yaml
+> []
+> ```
+
+Create dynamic manifests via values.  
+
+For example:
+
+```yaml
+extraObjects:
+  - |
+    apiVersion: v1
+    kind: ConfigMap
+    metadata:
+      name: '{{ template "cert-manager.name" . }}-extra-configmap'
+```
 
 <!-- /AUTO-GENERATED -->
 ### Default Security Contexts

deploy/charts/cert-manager/templates/extras-objects.yaml

@@ -0,0 +1,4 @@
+{{ range .Values.extraObjects }}
+---
+{{ tpl . $ }}
+{{ end }}

deploy/charts/cert-manager/values.yaml

@@ -1308,3 +1308,14 @@ startupapicheck:
   # injected into pod's environment variables, matching the syntax of Docker
   # links.
   enableServiceLinks: false
+
+# Create dynamic manifests via values.
+#
+# For example:
+# extraObjects:
+#   - |
+#     apiVersion: v1
+#     kind: ConfigMap
+#     metadata:
+#       name: '{{ template "cert-manager.name" . }}-extra-configmap'
+extraObjects: []