Allow shoot owners to bring their own DNS providers. (#361)

metal-stack · Dec 10, 2024 · 7f1de4c · 7f1de4c
1 parent 640e107
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diff --git a/control-plane/roles/gardener/README.md b/control-plane/roles/gardener/README.md
@@ -126,6 +126,7 @@ This includes the metal-stack extension provider called [gardener-extension-prov
 | gardener_shoot_dns_service_image_vector_overwrite            |           | Allows overriding the image vector for the shoot-dns-service extension                                                                      |
 | gardener_shoot_dns_service_dns_controller_manager_image_name |           | Setting an explicit image name for the dns-controller-manager                                                                               |
 | gardener_shoot_dns_service_dns_controller_manager_image_tag  |           | Setting an explicit image tag for the dns-controller-manager                                                                                |
+| gardener_shoot_dns_service_dns_provider_replication          |           | Enable provider replication feature for the shoot-service-dns extension                                                                     |
 | gardener_extension_backup_s3_image_name                      |           | Setting an explicit image name for the gardener-extension-backup-s3                                                                         |
 | gardener_extension_backup_s3_image_tag                       |           | Setting an explicit image tag for the gardener-extension-backup-s3                                                                          |
 | gardener_extension_dns_powerdns_image_name                   |           | Setting an explicit image name for the gardener-extension-dns-powerdns                                                                      |

diff --git a/control-plane/roles/gardener/defaults/main/extensions.yaml b/control-plane/roles/gardener/defaults/main/extensions.yaml
@@ -90,3 +90,5 @@ gardener_shoot_dns_service_image_vector_overwrite: []
   #   tag: "0.7.1"
 gardener_shoot_dns_service_dns_controller_manager_image_name:
 gardener_shoot_dns_service_dns_controller_manager_image_tag:
+
+gardener_shoot_dns_service_dns_provider_replication: false
diff --git a/control-plane/roles/gardener/templates/shoot-dns-service/controller-deployment.yaml b/control-plane/roles/gardener/templates/shoot-dns-service/controller-deployment.yaml
@@ -16,6 +16,9 @@ helm:
 {% endif %}
     dnsProviderManagement:
       enabled: true
+    dnsProviderReplication:
+      enabled: {{ gardener_shoot_dns_service_dns_provider_replication | lower }}
+
     dnsControllerManager:
       deploy: true
 {% if gardener_shoot_dns_service_dns_controller_manager_image_name or gardener_shoot_dns_service_dns_controller_manager_image_tag %}

diff --git a/control-plane/roles/gardener/test/dns_extension_template_test.py b/control-plane/roles/gardener/test/dns_extension_template_test.py
@@ -40,6 +40,7 @@ def test_shoot_dns_extension_controller_deployment_template(self, mock_urlopen):
                     "tag": "0.7.1",
                 },
             ],
+            "gardener_shoot_dns_service_dns_provider_replication": True,
             "gardener_shoot_dns_service_dns_controller_manager_image_name": "dns-controller-image",
             "gardener_shoot_dns_service_dns_controller_manager_image_tag": "dns-controller-tag",
         })
@@ -65,8 +66,12 @@ def test_shoot_dns_extension_controller_deployment_template(self, mock_urlopen):
           repository: europe-docker.pkg.dev/gardener-project/public/dns-controller-manager
           sourceRepository: github.com/gardener/external-dns-management
           tag: 0.7.1
+
     dnsProviderManagement:
       enabled: true
+    dnsProviderReplication:
+      enabled: true
+
     dnsControllerManager:
       deploy: true
       image: