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@xing-yang xing-yang released this 31 Jan 19:50
· 19 commits to release-7.0 since this release
v7.0.0
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Learn about vigilant mode.

Overall Status

Volume snapshotting has been a GA feature since Kubernetes v1.20.

Supported CSI Spec Versions

1.0-1.9

Minimum Kubernetes version

1.20

Recommended Kubernetes version

1.24 (The Volume Populators feature with the new PVC dataSourceRef field moved to Beta in 1.24)

Container

docker pull registry.k8s.io/sig-storage/snapshot-controller:v7.0.0
docker pull registry.k8s.io/sig-storage/csi-snapshotter:v7.0.0
docker pull registry.k8s.io/sig-storage/snapshot-validation-webhook:v7.0.0

Urgent Upgrade Notes

(No, really, you MUST read this before you upgrade)

  • Enable prevent-volume-mode-conversion feature flag by default.

    Volume mode change will be rejected when creating a PVC from a VolumeSnapshot unless the AllowVolumeModeChange annotation has been set to true. Applications relying on volume mode change when creating a PVC from VolumeSnapshot need to be updated accordingly. (#916, @akalenyu)

  • Changed label from "app" to Kubernetes recommended label "app.kubernetes.io/name" when deploying csi-snapshotter, snapshot-controller, and snapshot-validation-webhook.
    ACTION REQUIRED: With this label change, "kubectl apply" will not work when upgrading from previous versions. You need to uninstall the previous deployment and then reinstall the new deployment. Alternatively you can keep the original label while using "kubectl apply". (#844, @mowangdk)

Changes by Kind

API Change

  • Add VolumeGroupSnapshot API definitions. (#814, @RaunakShah)
  • The VolumeGroupSnapshotSource.Selector is now an optional attribute, so that a pre-provisioned VolumeGroupSnapshotContent can be specified which does not require a matching label-selector. (#995, @nixpanic)
  • Update API for pre provisioned group snapshots (#971, @RaunakShah)

Feature

  • Create Volume functionality for volume group snapshots (Note: this feature is partially implemented and therefore it is not ready for use) (#826, @RaunakShah)
  • More detail printed columns output when get vgs/vgsc/vgsclass with kubectl (#865, @winrouter)
  • Webhooks for VolumeGroupSnapshot, VolumeGroupSnapshotContent and VolumeGroupSnapshotClass. (#825, @Rakshith-R)
  • Add finalizer to prevent deletion of individual volume snapshots that are part of a group (#972, @RaunakShah)
  • Delete individual snapshots as part of volume group snapshots delete API (#952, @RaunakShah)
  • Implement GetGroupSnapshotStatus so that pre-provisioned VolumeGroupSnapshots can be imported. (#837, @nixpanic)
  • Introduce logic to delete volume group snapshots (#882, @RaunakShah)

Full Changelog

https://github.com/kubernetes-csi/external-snapshotter/blob/v7.0.0/CHANGELOG/CHANGELOG-7.0.md

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