gardener-controlplane-1.80.0

[gardener/gardener]

⚠️ Breaking Changes

• [DEVELOPER] If the kubeletCSRApprover controller is enabled, it is now mandatory to specify the namespace in the source cluster in which the Machine resources reside via .controllers.kubeletCSRApprover.machineNamespace. by @rfranzke [#8483]
• [DEVELOPER] leader-election-resource-lock flag is dropped and the leader-election resource-lock is hard coded to leases. by @acumino [#8464]
• [DEVELOPER] The .{source,target}ClientConnection.namespace field has been renamed to namespaces and now takes a list of namespaces. The .targetClientConnection.disableCachedClient field has been removed. by @rfranzke [#8483]
• [OPERATOR] It is no longer possible to configure .spec.virtualCluster.kubernetes.kubeAPIServer.authorization in the Garden API. by @rfranzke [#8309]
• [OPERATOR] The deprecated .spec.virtualCluster.dns.domain field has been dropped from the Garden API. Make use of .spec.virtualCluster.dns.domains. by @rfranzke [#8434]

📰 Noteworthy

• [OPERATOR] gardener-resource-manager now disables cache only for Secrets and ConfigMap if DisableCachedClient set to true. by @acumino [#8474]
• [OPERATOR] The following golang dependencies have been upgraded, please consult the upstream release notes and this issue for guidance on upgrading your golang dependencies when vendoring this gardener version:
  • k8s.io/* to v0.28.2
  • sigs.k8s.io/controller-runtime to v0.16.2
  • sigs.k8s.io/controller-tools to v0.13.0 by @acumino [#8464]
• [OPERATOR] The target cache for gardener-resource-manager is now unconditionally enabled, leading to faster reconciliations and less network I/O. by @rfranzke [#8483]
• [USER] Gardener now reports nodes for which the checksum/cloud-config-data hasn't been populated yet. This could point towards an error on the node and that not all Gardener related configuration happened successfully. by @timuthy [#8448]

✨ New Features

• [OPERATOR] gardener-operator now runs a new controller which protects Secrets and ConfigMaps with a finalizer in case they are referenced in Garden resources. by @rfranzke [#8439]
• [OPERATOR] It is now possible to trigger gardenlet kubeconfig renewal for unmanaged Seeds by annotating them with gardener.cloud/operation=renew-kubeconfig. This was already supported for ManagedSeeds only. by @oliver-goetz [#8396]
• [OPERATOR] The ResourcesProgressing condition appearing in the status of ManagedResources now checks for non-terminated Pods before reporting status=False. by @rfranzke [#8515]
• [OPERATOR] gardener-operator is now managing the Gardener control plane components (gardener-{apiserver,admission-controller,controller-manager,scheduler}). by @rfranzke [#8309]
• [OPERATOR] gardener-operator now renews garden access secrets and the gardenlet kubeconfig on all Seeds during CA/service account signing key credentials rotation. by @oliver-goetz [#8396]
• [OPERATOR] gardener-operator now takes over management of gardener-metrics-exporter. by @acumino [#8419]
• [OPERATOR] Gardener can now support clusters with Kubernetes version 1.28. In order to allow creation/update of 1.28 clusters you will have to update the version of your provider extension(s) to a version that supports 1.28 as well. Please consult the respective releases and notes in the provider extension's repository. by @oliver-goetz [#8479]
• [OPERATOR] It is now possible to configure .spec.virtualCluster.gardener.gardenerAPIServer.auditWebhook in the Garden API. by @rfranzke [#8309]
• [OPERATOR] gardener-operator now refuses to start if operators attempt to downgrade or skip minor Gardener versions. Please see this document for more information. by @rfranzke [#8413]
• [DEVELOPER] Gardener can now support clusters with Kubernetes version 1.28. Extension developers have to prepare individual extensions as well to work with 1.28. by @oliver-goetz [#8479]
• [DEVELOPER] The plutono dashboards are now verified as part of make check. by @Sallyan [#8401]

🐛 Bug Fixes

• [OPERATOR] A bug has been fixed that prevented ControllerInstallations from getting deleted when the backing ControllerRegistration with .spec.deployment.policy={Always,AlwaysExceptNoShoots} was deleted. by @rfranzke [#8443]
• [OPERATOR] Several default settings of Kubernetes feature gates have been corrected. by @oliver-goetz [#8427]
• [OPERATOR] An issue causing several tasks from the Shoot reconciliation flow to fail with transient errors of type duplicate filename in registry is now fixed. by @ialidzhikov [#8478]
• [OPERATOR] A bug was fixed which was causing existing Bastion resources on the garden cluster to not be deleted when SSHAccess is disabled on a Shoot cluster. by @AleksandarSavchev [#8421]
• [OPERATOR] The .spec.kubernetes.kubeAPIServer.serviceAccountConfig.acceptedIssuers field of the Shoot spec no longer allows duplicate values. by @dimitar-kostadinov [#8466]
• [USER] A bug has been fixed which was allowing users to specify an extension of the same type in .spec.extensions[].type more than once in the Shoot API. by @acumino [#8457]
• [USER] Applying Gardener resources server-side has caused the the server is currently unable to handle the request error which is now fixed. by @oliver-goetz [#8468]

🏃 Others

• [OPERATOR] The Plutono version has been updated from v7.5.23 to v7.5.24. by @istvanballok [#8475]
• [OPERATOR] The node-local-dns ConfigMap now has a label k8s-app=node-local-dns for identifying it. by @ScheererJ [#8505]
• [OPERATOR] The following image is updated:
  • quay.io/prometheus/prometheus: v2.43.1 -> v2.47.0 by @istvanballok [#8486]
• [OPERATOR] extension library: State update for a Worker object can be now skipped by annotating it with worker.gardener.cloud/skip-state-update=true. by @ialidzhikov [#8482]
• [OPERATOR] The logging components: vali and valitail are now updated to v2.2.8. by @nickytd [#8458]
• [USER] It is possible to delete a Shoot even if shoot.gardener.cloud/ignore annotation is set to true. by @shafeeqes [#8432]

[gardener/ingress-default-backend]

🏃 Others

• [OPERATOR] Update base image of ingress-default-backend to alpine:3.18.3 by @ScheererJ [gardener/ingress-default-backend#27]

Docker Images

admission-controller: eu.gcr.io/gardener-project/gardener/admission-controller:v1.80.0
apiserver: eu.gcr.io/gardener-project/gardener/apiserver:v1.80.0
controller-manager: eu.gcr.io/gardener-project/gardener/controller-manager:v1.80.0
scheduler: eu.gcr.io/gardener-project/gardener/scheduler:v1.80.0
operator: eu.gcr.io/gardener-project/gardener/operator:v1.80.0
gardenlet: eu.gcr.io/gardener-project/gardener/gardenlet:v1.80.0
resource-manager: eu.gcr.io/gardener-project/gardener/resource-manager:v1.80.0