Refactor uuid into its own pkg

pkg/volume/host_path/host_path.go

@@ -23,7 +23,7 @@ import (
 
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/types"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/uuid"
 	"k8s.io/kubernetes/pkg/volume"
 )
 
@@ -262,7 +262,7 @@ type hostPathProvisioner struct {
 // Create for hostPath simply creates a local /tmp/hostpath_pv/%s directory as a new PersistentVolume.
 // This Provisioner is meant for development and testing only and WILL NOT WORK in a multi-node cluster.
 func (r *hostPathProvisioner) Provision() (*api.PersistentVolume, error) {
-	fullpath := fmt.Sprintf("/tmp/hostpath_pv/%s", util.NewUUID())
+	fullpath := fmt.Sprintf("/tmp/hostpath_pv/%s", uuid.NewUUID())
 
 	pv := &api.PersistentVolume{
 		ObjectMeta: api.ObjectMeta{