GlusterFS: Set correct permissions for volume file created via clone

This is currently done when creating a new volume from scratch,
but not when cloning a new volume.

Closes-Bug: #1254768
Change-Id: I8506dc0824bacdb6cc42b4cadd41c2cad3a74b5b

cinder/tests/test_glusterfs.py

@@ -1443,6 +1443,7 @@ def test_copy_volume_from_snapshot(self):
         mox.StubOutWithMock(image_utils, 'convert_image')
         mox.StubOutWithMock(drv, '_read_info_file')
         mox.StubOutWithMock(image_utils, 'qemu_img_info')
+        mox.StubOutWithMock(drv, '_set_rw_permissions_for_all')
 
         dest_volume = self._simple_volume(
             'c1073000-0000-0000-0000-0000000c1073')
@@ -1484,6 +1485,8 @@ def test_copy_volume_from_snapshot(self):
 
         image_utils.convert_image(src_vol_path, dest_vol_path, 'raw')
 
+        drv._set_rw_permissions_for_all(dest_vol_path)
+
         mox.ReplayAll()
 
         drv._copy_volume_from_snapshot(snapshot, dest_volume, size)

cinder/volume/drivers/glusterfs.py

@@ -265,6 +265,8 @@ def _copy_volume_from_snapshot(self, snapshot, volume, volume_size):
                                   path_to_new_vol,
                                   out_format)
 
+        self._set_rw_permissions_for_all(path_to_new_vol)
+
     @utils.synchronized('glusterfs', external=False)
     def delete_volume(self, volume):
         """Deletes a logical volume."""