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cleanup: add cleanup helper for incorrect thick volume

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added a new helper function called cleanupThickClone
to cleanup the snapshot and clone if the thick
provisioning is not fully completed.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2021-12-15 11:10:50 +05:30 committed by mergify[bot]
parent ca29328554
commit 22365ab77f
1 changed files with 21 additions and 12 deletions
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33
internal/rbd/controllerserver.go
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@ -403,18 +403,7 @@ func (cs *ControllerServer) repairExistingVolume(ctx context.Context, req *csi.C
rbdVol,
err)
} else if !thick {
err = cleanUpSnapshot(ctx, parentVol, rbdSnap, rbdVol, cr)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to remove partially cloned volume %q: %s", rbdVol, err)
}
err = undoVolReservation(ctx, rbdVol, cr)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to remove volume %q from journal: %s", rbdVol, err)
}
return nil, status.Errorf(
codes.Internal,
"cloning thick-provisioned volume %q has been interrupted, please retry", rbdVol)
return nil, cleanupThickClone(ctx, parentVol, rbdVol, rbdSnap, cr)
}
}
}
@ -422,6 +411,26 @@ func (cs *ControllerServer) repairExistingVolume(ctx context.Context, req *csi.C
return buildCreateVolumeResponse(req, rbdVol), nil
}
// cleanupThickClone will delete the snapshot and volume and undo the reservation.
func cleanupThickClone(ctx context.Context,
rbdVol,
parentVol *rbdVolume,
rbdSnap *rbdSnapshot,
cr *util.Credentials) error {
err := cleanUpSnapshot(ctx, parentVol, rbdSnap, rbdVol, cr)
if err != nil {
return status.Errorf(codes.Internal, "failed to remove partially cloned volume %q: %s", rbdVol, err)
}
err = undoVolReservation(ctx, rbdVol, cr)
if err != nil {
return status.Errorf(codes.Internal, "failed to remove volume %q from journal: %s", rbdVol, err)
}
return status.Errorf(
codes.Internal,
"cloning thick-provisioned volume %q has been interrupted, please retry", rbdVol)
}
// check snapshots on the rbd image, as we have limit from krbd that an image
// cannot have more than 510 snapshot at a given point of time. If the
// snapshots are more than the `maxSnapshotsOnImage` Add a task to flatten all