[etcd-backup-restore]

🏃 Others

• [OPERATOR] An issue has been fixed that caused the Backup-Restore component to connect to the wrong etcd cluster for initializing and member-add procedures. (gardener/etcd-backup-restore#510, @timuthy)

[etcd-druid]

🏃 Others

• [OPERATOR] Added pod permission in etcd_role that now enable etcd-backup-restore to get/list/watch pods (gardener/etcd-druid#372, @aaronfern)

[etcd-backup-restore]

🐛 Bug Fixes

• [OPERATOR] Temp fix: skip the single member restoration if data-dir found to be invalid. (gardener/etcd-backup-restore#501, @ishan16696)
• [OPERATOR] Fixed a bug in Scaleup feature in func: IsMemberInCluster() which can cause Scaleup feature to get fail. (gardener/etcd-backup-restore#501, @ishan16696)

🏃 Others

• [OPERATOR] Fixed a bug where etcd calls related to multi node operation were used in single node operation (gardener/etcd-backup-restore#504, @aaronfern)
• [OPERATOR] Assigned the correct Peer address to the Etcd after it restores from backup-bucket. (gardener/etcd-backup-restore#505, @ishan16696)
• [OPERATOR] No attempt is made to update member Peer URL when trying to promote a member (gardener/etcd-backup-restore#506, @aaronfern)

[etcd-druid]

🏃 Others

• [OPERATOR] livenessProbe of etcd container has been updated to ETCDCTL_API=3 etcdctl get foo --consistency=s making the consistency serializable. (gardener/etcd-druid#357, @ishan16696)
• [OPERATOR] failureThreshold has been updated to 5 for both livenessProbe and readinessProbe of etcd. (gardener/etcd-druid#357, @ishan16696)
• [OPERATOR] The etcd-druid now uses distroless instead of alpine as a base image. (gardener/etcd-druid#360, @dimityrmirchev)
• [OPERATOR] etcd-druid will now also add statefulset permissions to the etcd role (gardener/etcd-druid#366, @aaronfern)
• [OPERATOR] Published docker images for Etcd-Druid are now multi-arch ready. They support linux/amd64 and linux/arm64. (gardener/etcd-druid#367, @timuthy)
• [OPERATOR] Added a new condition BackupReady to the etcd status (gardener/etcd-druid#271, @aaronfern)

[etcd-backup-restore]

⚠️ Breaking Changes

• [DEVELOPER] Added new package membergarbagecollector to remove superfluous members from the ETCD cluster. Due to this, etcd-backup-restore now needs permissions to list pods and statefulsets. (gardener/etcd-backup-restore#403, @aaronfern)

🏃 Others

• [OPERATOR] Added new package membergarbagecollector to remove superfluous members from the ETCD cluster. (gardener/etcd-backup-restore#403, @aaronfern)

📰 Noteworthy

• [OPERATOR] Published docker images for Etcd-Backup-Restore are now multi-arch ready. They support linux/amd64 and linux/arm64. (gardener/etcd-backup-restore#499, @timuthy)
• [OPERATOR] The Etcd-Backup-Restore image has been updated to Alpine 3.15.4. (gardener/etcd-backup-restore#499, @timuthy)
• [OPERATOR] Etcd can now scale up itself from a single member cluster to a multi member cluster (gardener/etcd-backup-restore#487, @aaronfern)

[etcd-custom-image]

🏃 Others

• [OPERATOR] Published docker images for Etcd-Custom-Image are now multi-arch ready. They support linux/amd64 and linux/arm64. (gardener/etcd-custom-image#19, @timuthy)

[etcd-druid]

🐛 Bug Fixes

• [OPERATOR] A bug has been fixed that deleted member lease objects in all namespaces. With this release member lease renewals are enabled again. (gardener/etcd-druid#353, @timuthy)

📖 Documentation

• [DEPENDENCY] Paths transformations in .docforge/manifest.yaml for simplification (gardener/etcd-druid#302, @Kostov6)

🏃 Others

• [OPERATOR] Fixed a bug where druid did not copy etcd labels to configmap (gardener/etcd-druid#343, @aaronfern)
• [OPERATOR] Do not re-used resource limits from an existing etcd stateful set. This will cause a RESTART(!) of the etcd pod for existing clusters that currently have a resource limit set for the etcd stateful-set, but whose etcd resource does not specify a resource limit. (gardener/etcd-druid#342, @danielfoehrKn)
• [OPERATOR] ETCd backups can now be successfully copied between OCS buckets. (gardener/etcd-druid#330, @Wieneo)

[etcd-backup-restore]

🐛 Bug Fixes

• [OPERATOR] Throw Fatal error to avoid edge case potential deadlocks. (gardener/etcd-backup-restore#471, @ishan16696)

🏃 Others

• [OPERATOR] Introducing a timeout timeoutToOpenBoltDB to open boltDB within a given time, so backup-restore won't have to wait for ever. (gardener/etcd-backup-restore#480, @ishan16696)
• [OPERATOR] When the owner check fails, etcd-backup-restore will restart the etcd process right before attempting to take a final snapshot, if the owner check was previously successful. (gardener/etcd-backup-restore#478, @plkokanov)
• [OPERATOR] Fixed retrieval of credentials during copy operation for backups stored in Swift snapstore. (gardener/etcd-backup-restore#476, @plkokanov)
• [OPERATOR] ETCD won't restart from the PVC if it is wrongly mounted to the pod (gardener/etcd-backup-restore#468, @abdasgupta)
• [OPERATOR] OCS S3 Snapstore now supports supplying access information via a mounted secret. (gardener/etcd-backup-restore#465, @Wieneo)

📰 Noteworthy

• [OPERATOR] An initial-cluster field is now expected in the ETCD config (gardener/etcd-backup-restore#482, @abdasgupta)

[etcd-custom-image]

🏃 Others

• [OPERATOR] The base image of etcd has been set to Alpine 3.15.4. (gardener/etcd-custom-image#18, @timuthy)

[etcd-druid]

🏃 Others

• [OPERATOR] Do not re-used resource limits from an existing etcd stateful set. This will cause a RESTART(!) of the etcd pod for existing clusters that currently have a resource limit set for the etcd stateful-set, but whose etcd resource does not specify a resource limit. (#342, @danielfoehrKn)

[etcd-backup-restore]

🏃 Others

• [OPERATOR] When the owner check fails, etcd-backup-restore will restart the etcd process right before attempting to take a final snapshot, if the owner check was previously successful. (gardener/etcd-backup-restore#478, @plkokanov)

[etcd-backup-restore]

🏃 Others

• [OPERATOR] Fixed retrieval of credentials during copy operation for backups stored in Swift snapstore. (gardener/etcd-backup-restore#476, @plkokanov)

[etcd-backup-restore]

🐛 Bug Fixes

• [OPERATOR] Throw Fatal error to avoid edge case potential deadlocks. (gardener/etcd-backup-restore#467, @ishan16696)

🏃 Others

• [OPERATOR] ETCD won't restart from the PVC if it is wrongly mounted to the pod (gardener/etcd-backup-restore#470, @abdasgupta)

[etcd-druid]

⚠️ Breaking Changes

• [OPERATOR] If Spec.Replicas in ETCD CR is greater than 0 and a even number, then no statefulset for ETCD nodes will be created and so the ETCD cluster won't be setup by Druid (gardener/etcd-druid#314, @abdasgupta)

✨ New Features

• [USER] Add SchedulingConstraints field to Etcd spec. The currently supported constraints are Affinity and TopologySpreadConstraints. (gardener/etcd-druid#329, @shreyas-s-rao)

🐛 Bug Fixes

• [OPERATOR] A bug has been fixed which prevented the ServiceAccount's automountServiceAccountToken field from being reconciled. (gardener/etcd-druid#316, @rfranzke)

🏃 Others

• [OPERATOR] Deployed configmap programmatically as component instead of chart (gardener/etcd-druid#314, @abdasgupta)
  • configmap configures ETCD config based on the number of nodes in cluster. Number of nodes in cluster is derived from spec.Replicas of ETCD CR
  • Introduced separate TLS config for client and peer communication with ETCD cluster

[etcd-backup-restore]

📰 Noteworthy

• [OPERATOR] Multi-node etcd bootstrapping is now supported. This is an alpha feature intended for initial use and evaluation. Please do not enable this feature for your productive workloads (gardener/etcd-backup-restore#419, @abdasgupta)
  • Multi-node etcd restoration from backup buckets is not supported
  • Intended to work only with etcd-druid v0.9.x and beyond
  • Intended to work only with etcd-custom-image v3.4.13-bootstrap-4 and beyond

[etcd-backup-restore]

🐛 Bug Fixes

• [OPERATOR] Fix defragmentation fail issue which occurs due to x509: failed to validate certificate for 0.0.0.0 because it doesn't contain any IP SANs. (gardener/etcd-backup-restore#459, @ishan16696)

[etcd-druid]

🐛 Bug Fixes

• [OPERATOR] A bug has been fixed which prevented the ServiceAccount's automountServiceAccountToken field from being reconciled. (gardener/etcd-druid#317, @rfranzke)