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rbd: resize the volume created from volume
If the requested volume size is greater than the parent volume size, resize the cloned volume after creating a final clone from a parent volume. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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@ -181,6 +181,14 @@ func (rv *rbdVolume) createCloneFromImage(ctx context.Context, parentVol *rbdVol
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return err
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return err
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}
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}
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// expand the image if the requested size is greater than the current size
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err = rv.expand()
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if err != nil {
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log.ErrorLog(ctx, "failed to resize volume %s: %v", rv, err)
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return err
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}
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return nil
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return nil
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}
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}
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@ -408,6 +408,13 @@ func (cs *ControllerServer) repairExistingVolume(ctx context.Context, req *csi.C
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return nil, cleanupThickClone(ctx, parentVol, rbdVol, rbdSnap, cr)
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return nil, cleanupThickClone(ctx, parentVol, rbdVol, rbdSnap, cr)
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}
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}
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}
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}
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// expand the image if the requested size is greater than the current size
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err := rbdVol.expand()
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if err != nil {
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log.ErrorLog(ctx, "failed to resize volume %s: %v", rbdVol, err)
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return nil, err
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}
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}
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}
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return buildCreateVolumeResponse(req, rbdVol), nil
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return buildCreateVolumeResponse(req, rbdVol), nil
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@ -1703,6 +1703,16 @@ func cleanupRBDImageMetadataStash(metaDataPath string) error {
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return nil
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return nil
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}
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}
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// expand checks if the requestedVolume size and the existing image size both
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// are same. If they are same, it returns nil else it resizes the image.
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func (rv *rbdVolume) expand() error {
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if rv.RequestedVolSize == rv.VolSize {
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return nil
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}
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return rv.resize(rv.RequestedVolSize)
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}
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// resize the given volume to new size.
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// resize the given volume to new size.
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// updates Volsize of rbdVolume object to newSize in case of success.
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// updates Volsize of rbdVolume object to newSize in case of success.
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func (rv *rbdVolume) resize(newSize int64) error {
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func (rv *rbdVolume) resize(newSize int64) error {
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