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rbd: add set/Get VolumeMetadata() utility function

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Define and use PV and PVC metadata keys used by external provisioner.
The CSI external-provisioner (v1.6.0+) introduces the
--extra-create-metadata flag, which automatically sets map<string, string>
parameters in the CSI CreateVolumeRequest.

Add utility functions to set/Get PV/PVC/PVCNamespace metadata on image

Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever
2022-02-22 17:53:45 +05:30
committed by mergify[bot]
parent 7b2aef0d81
commit 4d750ed0e5
2 changed files with 34 additions and 1 deletions
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13
internal/rbd/rbd_util.go
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@ -28,6 +28,7 @@ import (
"time"
"github.com/ceph/ceph-csi/internal/util"
"github.com/ceph/ceph-csi/internal/util/k8s"
"github.com/ceph/ceph-csi/internal/util/log"
"github.com/ceph/go-ceph/rados"
@ -1920,3 +1921,15 @@ func genVolFromVolIDWithMigration(
return rv, err
}
// setVolumeMetadata set PV/PVC/PVCNamespace metadata on RBD image.
func (rv *rbdVolume) setVolumeMetadata(parameters map[string]string) error {
for k, v := range k8s.GetVolumeMetadata(parameters) {
err := rv.SetMetadata(k, v)
if err != nil {
return fmt.Errorf("failed to set metadata key %q, value %q on image: %w", k, v, err)
}
}
return nil
}