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rbd: enable expand operation for intree volumes

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This commit enable the resize operation[1] for in-tree volumes.
new helper has been introduced here to aid the enablement or to
make it clean with existing code base.

[1] https://github.com/ceph/ceph-csi/blob/devel/docs/design/proposals/intree-migrate.md?plain=1#L66

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal
2021-12-22 11:29:09 +05:30
committed by mergify[bot]
parent f3ed883df9
commit b9a8d37c3d
3 changed files with 42 additions and 18 deletions
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5
internal/rbd/controllerserver.go
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@ -1447,9 +1447,7 @@ func (cs *ControllerServer) ControllerExpandVolume(
return nil, status.Error(codes.InvalidArgument, err.Error())
}
defer cr.DeleteCredentials()
rbdVol, err := GenVolFromVolID(ctx, volID, cr, req.GetSecrets())
defer rbdVol.Destroy()
rbdVol, err := genVolFromVolIDWithMigration(ctx, volID, cr, req.GetSecrets())
if err != nil {
switch {
case errors.Is(err, ErrImageNotFound):
@ -1463,6 +1461,7 @@ func (cs *ControllerServer) ControllerExpandVolume(
return nil, err
}
defer rbdVol.Destroy()
// NodeExpansion is needed for PersistentVolumes with,
// 1. Filesystem VolumeMode with & without Encryption and