v1.39.0

[gardener/machine-controller-manager]

🐛 Bug Fixes

• [OPERATOR] An issue causing nil pointer panic on scaleup of the machinedeployment along with trigger of rolling update, is fixed by @acumino [gardener/machine-controller-manager#814]
• [OPERATOR] Force drain and delete volume attachments for nodes un-healthy due to ReadOnlyFileSystem and NotReady for too long by @elankath [gardener/machine-controller-manager#839]
• [OPERATOR] Included UnavailableReplicas in determining if a machine deployment status update is needed by @rishabh-11 [gardener/machine-controller-manager#833]
• [USER] An edge case where outdated DesiredReplicas annotation blocked a rolling update is fixed. by @rishabh-11 [gardener/machine-controller-manager#821]

🏃 Others

• [OPERATOR] Added errorCode field in the LastOperation struct. This should be implemented only for the CreateMachine call in the triggerCreationFlow. This field will be utilized by Cluster autoscaler to do early backoff by @rishabh-11 [gardener/machine-controller-manager#851]
• [OPERATOR] Added a new metric that will allow to get the number of stale (due to unhealthiness) machines that are getting terminated by @jguipi [gardener/machine-controller-manager#808]
• [OPERATOR] New metrics introduced:
  • api_request_duration_seconds -> tracks time taken for successful invocation of provider APIs. This metric can be filtered by provider and service.
  • driver_request_duration_seconds -> tracks total time taken to successfully complete driver method invocation. This metric can be filtered by provider and operation.
  • driver_requests_failed_total -> records total number of failed driver API requests. This metric can be filtered by provider, operations and error_code. by @unmarshall [gardener/machine-controller-manager#842]
• [OPERATOR] Makefile targets have changed: Introduced gardener-setup, gardener-restore, gardener-local-mcm-up, non-gardener-setup, non-gardener-restore, non-gardener-local-mcm-up. Users can also directly use the scripts which are used by these makefile targets. by @unmarshall [gardener/machine-controller-manager#852]
• [OPERATOR] Updated to go v1.20.5 by @rishabh-11 [gardener/machine-controller-manager#827]
• [DEVELOPER] Removed dead metrics code and refactored the remaining metrics code by @himanshu-kun [gardener/machine-controller-manager#823]
• [DEVELOPER] status.Status now captures underline cause, allowing consumers to introspect the error returned by the provider. WrapError() function could be used to wrap the provider error by @unmarshall [gardener/machine-controller-manager#842]
• [DEVELOPER] A new make target is introduced to add license headers. by @unmarshall [gardener/machine-controller-manager#845]
• [DEVELOPER] Bump k8s.io/* deps to v0.27.2 by @afritzler [gardener/machine-controller-manager#820]

[gardener/gardener-extension-provider-azure]

⚠️ Breaking Changes

• [OPERATOR] provider-azure no longer supports Shoots or Seeds with Кubernetes version < 1.24. by @shafeeqes [#733]

📰 Noteworthy

• [DEVELOPER] Remove dependency to specific calico and cilium versions. by @axel7born [#735]

✨ New Features

• [USER] provider-azure extension now supports Shoot Force Deletion. by @acumino [#737]
• [USER] The provider-azure extension does now support shoot clusters with Kubernetes version 1.28. You should consider the Kubernetes release notes before upgrading to 1.28. by @oliver-goetz [#734]

🐛 Bug Fixes

• [OPERATOR] Update k8s.io/client-go from v0.26.3 to v0.26.4 to resolve panic on health-checking special shoots. by @MartinWeindel [#727]

🏃 Others

• [OPERATOR] The following golang dependencies have been upgraded :
  • gardener/gardener to v1.80.3
  • k8s.io/* to v0.28.2
  • sigs.k8s.io/controller-runtime to v0.16.2 by @ary1992 [#731]
• [OPERATOR] Updated quota exceeded error labeling by @kon-angelo [#720]
• [OPERATOR] Bastion instances now use the latest ubuntu server 22.04 LTS version by @kon-angelo [#723]
• [OPERATOR] Add readiness check for snapshot validation webhook by @kon-angelo [#742]
• [OPERATOR] Always set the vmType in cloud-provider configuration files. by @kon-angelo [#743]
• [OPERATOR] VM types with azure accelerated networking now work out-of-the-box with calico's ebpf dataplane. by @ScheererJ [#722]

Docker Images

gardener-extension-admission-azure: eu.gcr.io/gardener-project/gardener/extensions/admission-azure:v1.39.0
gardener-extension-provider-azure: eu.gcr.io/gardener-project/gardener/extensions/provider-azure:v1.39.0