func (r *VolumeReactor) DeleteVolume(name string) {
	r.lock.Lock()
	defer r.lock.Unlock()
	delete(r.volumes, name)
}

// AddClaimBoundToVolume adds a PVC and binds it to corresponding PV.
func (r *VolumeReactor) AddClaimBoundToVolume(claim *v1.PersistentVolumeClaim) {
	r.lock.Lock()
	defer r.lock.Unlock()
	r.claims[claim.Name] = claim
	if volume, ok := r.volumes[claim.Spec.VolumeName]; ok {

				// Bind the volume to resurrected claim (this should never
				// happen)
				claim := newClaim("claim8-7", "uid8-7", "10Gi", "volume8-7", v1.ClaimBound, nil)
				reactor.AddClaimBoundToVolume(claim)
				ctrl.claims.Add(claim)
			}),
		},
		{
			// delete success - volume bound by user is deleted, while a new
			// claim is created with another UID.