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cephfs: Add clusterName as metadata on snapshots

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Example:
sh-4.4$ ceph fs subvolume snapshot metadata ls myfs csi-vol-ba248f9e-0e75-11ed-b774-8e97192ff5ec \
			csi-snap-ce24e3bb-0e75-11ed-b774-8e97192ff5ec --group_name csi
{
    "csi.ceph.com/cluster/name": "\"K8s-cluster-1\"",
    "csi.storage.k8s.io/volumesnapshot/name": "cephfs-pvc-snapshot",
    "csi.storage.k8s.io/volumesnapshot/namespace": "rook-ceph",
    "csi.storage.k8s.io/volumesnapshotcontent/name": "snapcontent-2e89e1b2-e6e9-48fe-b365-edb493d7022e"
}

Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever
2022-07-28 14:14:52 +05:30
committed by mergify[bot]
parent 56d7d3cd15
commit de7128b3a2
6 changed files with 46 additions and 16 deletions
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15
internal/cephfs/core/snapshot_metadata.go
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@ -99,6 +99,14 @@ func (s *snapshotClient) SetAllSnapshotMetadata(parameters map[string]string) er
}
}
if s.clusterName != "" {
err := s.setSnapshotMetadata(clusterNameKey, s.clusterName)
if err != nil {
return fmt.Errorf("failed to set metadata key %q, value %q on subvolume snapshot %s %s in fs %s: %w",
clusterNameKey, s.clusterName, s.SnapshotID, s.VolID, s.FsName, err)
}
}
return nil
}
@ -114,5 +122,12 @@ func (s *snapshotClient) UnsetAllSnapshotMetadata(keys []string) error {
}
}
err := s.removeSnapshotMetadata(clusterNameKey)
// TODO: replace string comparison with errno.
if err != nil && !strings.Contains(err.Error(), "No such file or directory") {
return fmt.Errorf("failed to unset metadata key %q on subvolume snapshot %s %s in fs %s: %w",
clusterNameKey, s.SnapshotID, s.VolID, s.FsName, err)
}
return nil
}