fix(helm): Update helm value schema to allow create-only policy type (#5627)

* fix(helm): Update schema for helm to allow `create-only`

* fix(docs): Update changelog to reflect addition of `create-only` policy.

* chore(docs): Update changelog with PR

* fix(helm): Undo improper spacing on comments

* chore(docs): Update README.md with new option

* fix(helm): Add EOF newline since format-on-save removed it

charts/external-dns/CHANGELOG.md

@@ -18,6 +18,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [UNRELEASED]
 
+### Fixed
+
+- Fixed the lack of schema support for `create-only` dns policy in helm values ([#5627](https://github.com/kubernetes-sigs/external-dns/pull/5627)) _@coltonhughes_
+
 ### Changed
 
 - Update RBAC for `Service` source to support `EndpointSlices`. ([#5493](https://github.com/kubernetes-sigs/external-dns/pull/5493)) _@vflaux_

charts/external-dns/README.md

@@ -128,7 +128,7 @@ If `namespaced` is set to `true`, please ensure that `sources` my only contains
 | podAnnotations | object | `{}` | Annotations to add to the `Pod`. |
 | podLabels | object | `{}` | Labels to add to the `Pod`. |
 | podSecurityContext | object | See _values.yaml_ | [Pod security context](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.22/#podsecuritycontext-v1-core), this supports full customisation. |
-| policy | string | `"upsert-only"` | How DNS records are synchronized between sources and providers; available values are `sync` & `upsert-only`. |
+| policy | string | `"upsert-only"` | How DNS records are synchronized between sources and providers; available values are `create-only`, `sync`, & `upsert-only`. |
 | priorityClassName | string | `nil` | Priority class name for the `Pod`. |
 | provider.name | string | `"aws"` | _ExternalDNS_ provider name; for the available providers and how to configure them see [README](https://github.com/kubernetes-sigs/external-dns/blob/master/charts/external-dns/README.md#providers). |
 | provider.webhook.args | list | `[]` | Extra arguments to provide for the `webhook` container. |

charts/external-dns/values.schema.json

@@ -270,12 +270,13 @@
       }
     },
     "policy": {
-      "description": "How DNS records are synchronized between sources and providers; available values are `sync` \u0026 `upsert-only`.",
+      "description": "How DNS records are synchronized between sources and providers; available values are `create-only`, `sync`, \u0026 `upsert-only`.",
       "default": "upsert-only",
       "type": [
         "string"
       ],
       "enum": [
+        "create-only",
         "sync",
         "upsert-only"
       ]

charts/external-dns/values.yaml

@@ -213,8 +213,8 @@ sources:
   - service
   - ingress
 
-# -- How DNS records are synchronized between sources and providers; available values are `sync` & `upsert-only`.
-policy: upsert-only  # @schema enum:[sync, upsert-only]; type:string; default: "upsert-only"
+# -- How DNS records are synchronized between sources and providers; available values are `create-only`, `sync`, & `upsert-only`.
+policy: upsert-only  # @schema enum:[create-only, sync, upsert-only]; type:string; default: "upsert-only"
 
 # -- Specify the registry for storing ownership and labels.
 # Valid values are `txt`, `aws-sd`, `dynamodb` & `noop`.