[stable/external-dns] Add option to set registry (#5138)

* Revert "Allow upgrade with empty clusterIP (#4711)"

This reverts commit 26289ca945.

* [stable/external-dns] Add option to set registry

stable/external-dns/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: Configure external DNS servers (AWS Route53, Google CloudDNS and others)
   for Kubernetes Ingresses and Services
 name: external-dns
-version: 0.5.5
+version: 0.6.0
 appVersion: 0.5.0
 home: https://github.com/kubernetes-incubator/external-dns
 sources:

stable/external-dns/README.md

@@ -48,6 +48,7 @@ The following table lists the configurable parameters of the external-dns chart
 | `publishInternalServices`          | Allow external-dns to publish DNS records for ClusterIP services (optional).                                               | `false`                                            |
 | `rbac.create`                      | If true, create & use RBAC resources                                                                                       | `false`                                            |
 | `rbac.serviceAccountName`          | Existing ServiceAccount to use (ignored if rbac.create=true)                                                               | `default`                                          |
+| `registry`                         | Registry method to use (options: txt, noop)                                                                                | `txt`                                              |
 | `resources`                        | CPU/Memory resource requests/limits.                                                                                       | `{}`                                               |
 | `service.annotations`              | Annotations to add to service                                                                                              | `{}`                                               |
 | `service.clusterIP`                | IP address to assign to service                                                                                            | `""`                                               |

stable/external-dns/templates/deployment.yaml

@@ -35,6 +35,7 @@ spec:
           {{- end }}
             - --policy={{ .Values.policy }}
             - --provider={{ .Values.provider }}
+            - --registry={{ .Values.registry }}
           {{- if .Values.txtOwnerId }}
             - --txt-owner-id={{ .Values.txtOwnerId }}
           {{- end }}

stable/external-dns/templates/service.yaml

@@ -12,7 +12,9 @@ metadata:
     release: {{ .Release.Name }}
   name: {{ template "external-dns.fullname" . }}
 spec:
+{{- if .Values.service.clusterIP }}
   clusterIP: "{{ .Values.service.clusterIP }}"
+{{- end }}
 {{- if .Values.service.externalIPs }}
   externalIPs:
 {{ toYaml .Values.service.externalIPs | indent 4 }}

stable/external-dns/values.yaml

@@ -40,6 +40,9 @@ domainFilters: []
 # Filter sources managed by external-dns via annotation using label selector semantics (default: all sources)
 annotationFilter: ""
 
+# Registry to use for ownership (txt or noop)
+registry: "txt"
+
 # When using the TXT registry, a name that identifies this instance of ExternalDNS
 txtOwnerId: ""