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rbd: check rbd image status only duing DeleteVolume RPC

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currently, various calls to deleteImage does not
need the rbdStatus check. That is only required
when calling from DeleteVolume. This PR optimizes the
rbd image deletion by removing the status check.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2020-07-02 12:15:47 +05:30 committed by mergify[bot]
parent 44d79e3bda
commit 7a87db39e6
2 changed files with 11 additions and 14 deletions
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10
internal/rbd/controllerserver.go
View File

@ -547,6 +547,16 @@ func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
}
defer cs.VolumeLocks.Release(rbdVol.RequestName)
found, _, err := rbdStatus(ctx, rbdVol, cr)
if err != nil {
klog.Errorf(util.Log(ctx, "failed getting information for image (%s): (%s)"), rbdVol, err)
return nil, status.Error(codes.Internal, err.Error())
}
if found {
klog.Errorf(util.Log(ctx, "rbd %s is still being used"), rbdVol)
return nil, status.Errorf(codes.Internal, "rbd %s is still being used", rbdVol.RbdImageName)
}
// Deleting rbd image
klog.V(4).Infof(util.Log(ctx, "deleting image %s"), rbdVol.RbdImageName)
if err = deleteImage(ctx, rbdVol, cr); err != nil {

15
internal/rbd/rbd_util.go
View File

@ -339,21 +339,8 @@ func addRbdManagerTask(ctx context.Context, pOpts *rbdVolume, arg []string) (boo
// deleteImage deletes a ceph image with provision and volume options.
func deleteImage(ctx context.Context, pOpts *rbdVolume, cr *util.Credentials) error {
image := pOpts.RbdImageName
found, _, err := rbdStatus(ctx, pOpts, cr)
if err != nil {
klog.Errorf(util.Log(ctx, "failed getting information for image (%s): (%s)"), pOpts, err)
if strings.Contains(err.Error(), "rbd: error opening image "+image+
": (2) No such file or directory") {
return ErrImageNotFound{image, err}
}
return err
}
if found {
klog.Errorf(util.Log(ctx, "rbd %s is still being used"), image)
return fmt.Errorf("rbd %s is still being used", image)
}
// Support deleting the older rbd images whose imageID is not stored in omap
err = pOpts.getImageID()
err := pOpts.getImageID()
if err != nil {
return err
}