v0.23.0

[gardener/machine-controller-manager-provider-aws]

✨ New Features

• [OPERATOR] MCM now supports workload identity authentication. This can be configured if the secret contains roleARN and workloadIdentityTokenFile. by @dimityrmirchev [#177]

🏃 Others

• [OPERATOR] vendored MCM version has been upgraded to v0.56.0 by @aaronfern [#184]
• [OPERATOR] pipeline_integration_test now uses the control plane of a cluster to deploy objects part of its tests by @aaronfern [#184]

Docker Images

• machine-controller-manager-provider-aws: europe-docker.pkg.dev/gardener-project/releases/gardener/machine-controller-manager-provider-aws:v0.23.0

v0.22.0

[gardener/machine-controller-manager-provider-aws]

🐛 Bug Fixes

• [OPERATOR] Fixed a panic that occurs while fetching the status of a VM backing a machine from the provider. by @renormalize [#180]

🏃 Others

• [DEVELOPER] Updated go lang version to 1.23.3 by @thiyyakat [#179]
• [DEVELOPER] The gardener/machine-controller-manager dependency has been updated to v0.55.1. Release Notes by @thiyyakat [#179]
• [OPERATOR] Added gosec for Static Application Security Testing (SAST). by @thiyyakat [#179]

Docker Images

• machine-controller-manager-provider-aws: europe-docker.pkg.dev/gardener-project/releases/gardener/machine-controller-manager-provider-aws:v0.22.0

v0.21.0

[gardener/machine-controller-manager-provider-aws]

🏃 Others

• [OPERATOR] Use ProviderID as a fallback for fetching the VM. by @thiyyakat [#173]
• [OPERATOR] Set PrimaryIpv6 flag for instances with IPv6 addresses. by @axel7born [#174]
• [OPERATOR] InitializeMachine returns Uninitialized error code if VM is not found. by @thiyyakat [#173]
• [OPERATOR] Golangci-lint will now be used as the linter instead of the older golint. by @aaronfern [#168]
• [OPERATOR] Golang version used upgraded to 1.22.5 by @rishabh-11 [#166]

[gardener/machine-controller-manager]

✨ New Features

• [DEVELOPER] MCM replaces the magic string <<MACHINE_NAME>> in user data with the name of the machine when it is bootstrapped. by @oliver-goetz [gardener/machine-controller-manager#919]
• [DEVELOPER] MCM adds the name of the machine to node.gardener.cloud/machine-name label of the corresponding node. by @oliver-goetz [gardener/machine-controller-manager#919]

🐛 Bug Fixes

• [DEVELOPER] Fixed bug that removed the shoot-- prefix from control cluster namespace for integration tests using the gardener local setup case by @thiyyakat [gardener/machine-controller-manager#935]
• [OPERATOR] Fixed a bug where failure of machine initialization caused label updates to not happen. by @thiyyakat [gardener/machine-controller-manager#940]

🏃 Others

• [OPERATOR] getVMStatus always redirects to InitiateDrain. It also populates the node label on the machine object by checking node.gardener.cloud/machine-name label on the nodes. by @thiyyakat [gardener/machine-controller-manager#940]
• [OPERATOR] Drain timeout is now correctly honored for Pod eviction during Machine Drain by @sssash18 [gardener/machine-controller-manager#920]
• [OPERATOR] Golang version used is now upgraded to 1.22.5 by @aaronfern [gardener/machine-controller-manager#929]
• [OPERATOR] golangci-lint will now be used as the linter instead of the older golint by @aaronfern [gardener/machine-controller-manager#929]
• [DEVELOPER] The following dependencies are updated:
  • k8s.io/* : v0.29.3 -> v0.31.0 by @ary1992 [gardener/machine-controller-manager#938]

📖 Documentation

• [OPERATOR] Broken API doc links are now fixed by @rishabh-11 [gardener/machine-controller-manager#927]

Docker Images

• machine-controller-manager-provider-aws: europe-docker.pkg.dev/gardener-project/releases/gardener/machine-controller-manager-provider-aws:v0.21.0

v0.20.1

[gardener/machine-controller-manager]

🐛 Bug Fixes

• [OPERATOR] Fixed a bug where the Unitialised error code was blocking machine deletion by @rishabh-11 [gardener/machine-controller-manager#928]

Docker Images

• machine-controller-manager-provider-aws: europe-docker.pkg.dev/gardener-project/releases/gardener/machine-controller-manager-provider-aws:v0.20.1

v0.20.0

[gardener/machine-controller-manager]

⚠️ Breaking Changes

• [DEVELOPER] New provider method Driver.InitializeMachine added for Post-Creation VM Instance Initialization steps. by @elankath [gardener/machine-controller-manager#898]
• [OPERATOR] Change OCI Image Registry from GCR (eu.gcr.io/gardener-project) to Artifact-Registry (europe-docker.pkg.dev/gardener-project/releases). Users should update their references. by @ccwienk [gardener/machine-controller-manager#878]

🐛 Bug Fixes

• [OPERATOR] Fix for edge case of Node object deletion missed during machine termination. by @elankath [gardener/machine-controller-manager#887]
• [DEVELOPER] MCM restart happens properly in integration tests now. This fix will get activated, once this version is vendored in your mcm-provider by @sssash18 [gardener/machine-controller-manager#879]
• [DEVELOPER] A bug in UpdateNodeToMachine which cause the IT to fail is fixed. by @elankath [gardener/machine-controller-manager#893]

🏃 Others

• [OPERATOR] Updated k8s dependencies to v0.29.3 by @rishabh-11 [gardener/machine-controller-manager#907]
• [OPERATOR] Removed vendor directory by @rishabh-11 [gardener/machine-controller-manager#903]
• [OPERATOR] Architecture field added in the nodetemplate. This will allow CA to pickup architecture from machine class and schedule pods on relevant arch nodes. by @sssash18 [gardener/machine-controller-manager#894]
• [OPERATOR] fixed IT for seed with k8s >= 1.27 as control cluster by @piyuagr [gardener/machine-controller-manager#869]
• [OPERATOR] machine controller won't reconcile machine on non-spec update events by @himanshu-kun [gardener/machine-controller-manager#877]
• [DEVELOPER] Bump k8s.io/* deps to v0.28.2 by @afritzler [gardener/machine-controller-manager#858]
• [DEVELOPER] go-git now removed from dependencies due to CVE's. by @elankath [gardener/machine-controller-manager#896]

📖 Documentation

• [DEVELOPER] Phase transition diagram for a machine object is added to FAQs by @himanshu-kun [gardener/machine-controller-manager#886]

[gardener/machine-controller-manager-provider-aws]

✨ New Features

• [USER] It is now possible to specify CPU options for AWS instances. by @AndreasBurger [#161]
• [USER] Implements the driver metrics added to MCM in version 0.50.0 such that duration of calls to AWS and any failed requests are recorded:
  • driver_request_duration_seconds
  • driver_requests_failed_total by @saley89 [#153]
• [OPERATOR] Add Ipv6AddressCount and Ipv6PrefixCount to enable the assignment of an ipv6 address and an ipv6 prefix to instances. by @gardener-robot-ci-2 [#162]

🏃 Others

• [OPERATOR] Vendor directory removed by @rishabh-11 [#160]

Docker Images

• machine-controller-manager-provider-aws: europe-docker.pkg.dev/gardener-project/releases/gardener/machine-controller-manager-provider-aws:v0.20.0

v0.19.2

[gardener/machine-controller-manager]

🐛 Bug Fixes

• [OPERATOR] Removes node.machine.sapcloud.io/not-managed-by-mcm annotation from nodes managed by the MCM. by @gardener-robot-ci-2 [gardener/machine-controller-manager#866]

🏃 Others

• [OPERATOR] The default machine-safety-orphan-vms-period has been reduced from 30m to 15m. by @gardener-robot-ci-2 [gardener/machine-controller-manager#866]

Docker Images

machine-controller-manager-provider-aws: eu.gcr.io/gardener-project/gardener/machine-controller-manager-provider-aws:v0.19.2

v0.19.1

[gardener/machine-controller-manager-provider-aws]

🐛 Bug Fixes

• [OPERATOR] Logs for confirming eventual consistency are exposed. This helps to know if such check was successful or not. by @himanshu-kun [#134]

Docker Images

machine-controller-manager-provider-aws: eu.gcr.io/gardener-project/gardener/machine-controller-manager-provider-aws:v0.19.1

v0.19.0

[gardener/machine-controller-manager]

🐛 Bug Fixes

• [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] 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] 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] 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] 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] 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] Updated to go v1.20.5 by @rishabh-11 [gardener/machine-controller-manager#827]
• [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]
• [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] Removed dead metrics code and refactored the remaining metrics code by @himanshu-kun [gardener/machine-controller-manager#823]

[gardener/machine-controller-manager-provider-aws]

🏃 Others

• [OPERATOR] MCM status code ResourceExhausted is now utilized in mcm-provider-aws. by @rishabh-11 [#129]

v0.18.0

[machine-controller-manager-provider-aws]

⚠️ Breaking Changes

• [OPERATOR] Support for migration of machineClass is dropped by the mcm-provider (gardener/machine-controller-manager-provider-aws#118, @himanshu-kun)

🐛 Bug Fixes

• [OPERATOR] Fix handling of capacity reservations in MachineClass that prevented correct scale up (gardener/machine-controller-manager-provider-aws#115, @saley89)

🏃 Others

• [OPERATOR] Updated golang version to 1.20.4 (gardener/machine-controller-manager-provider-aws#121, @rishabh-11)
• [DEPENDENCY] upgraded dependency: (gardener/machine-controller-manager-provider-aws#118, @himanshu-kun)
  • github.com/gardener/machine-controller-manager -> v0.49.1

[machine-controller-manager]

🐛 Bug Fixes

• [USER] An edge case where all the machineSets were scaled down to zero has been dealt with. (gardener/machine-controller-manager#804, @himanshu-kun)

v0.17.0

[machine-controller-manager-provider-aws]

⚠️ Breaking Changes

• [DEPENDENCY] KeyName in AWSProviderSpec struct has been changed to a pointer. (gardener/machine-controller-manager-provider-aws#104, @AleksandarSavchev)

✨ New Features

• [OPERATOR] added support to modify instance metadata parameters for a VM through machineClass only during creation. This could be used to enable instance metadatav2 to containerised environment (gardener/machine-controller-manager-provider-aws#105, @kon-angelo)

🏃 Others

• [OPERATOR] Dropped validation for KeyName in AWSProviderSpec. (gardener/machine-controller-manager-provider-aws#104, @AleksandarSavchev)
• [OPERATOR] CVE categorization for mcm-provider-aws has been added. (gardener/machine-controller-manager-provider-aws#108, @dkistner)