block storage volume resource

- add 'is_multiattach' parameter (when true, disk will be shareble)

Change-Id: Ic35bbb252e6da4084093dbae7dbc9106e4d1f539

openstack/block_storage/v3/volume.py

@@ -62,6 +62,8 @@ class Volume(resource.Resource, metadata.MetadataMixin):
     #: ``True`` if this volume is encrypted, ``False`` if not.
     #: *Type: bool*
     is_encrypted = resource.Body("encrypted", type=format.BoolStr)
+    #: Whether volume will be sharable or not.
+    is_multiattach = resource.Body("multiattach", type=bool)
     #: The volume ID that this volume's name on the back-end is based on.
     migration_id = resource.Body("os-vol-mig-status-attr:name_id")
     #: The status of this volume's migration (None means that a migration

openstack/tests/unit/block_storage/v3/test_volume.py

@@ -42,6 +42,7 @@ VOLUME = {
     "source_volid": None,
     "imageRef": "some_image",
     "metadata": {},
+    "multiattach": False,
     "volume_image_metadata": IMAGE_METADATA,
     "id": FAKE_ID,
     "size": 10,
@@ -101,6 +102,7 @@ class TestVolume(base.TestCase):
         self.assertEqual(VOLUME["snapshot_id"], sot.snapshot_id)
         self.assertEqual(VOLUME["source_volid"], sot.source_volume_id)
         self.assertEqual(VOLUME["metadata"], sot.metadata)
+        self.assertEqual(VOLUME["multiattach"], sot.is_multiattach)
         self.assertEqual(VOLUME["volume_image_metadata"],
                          sot.volume_image_metadata)
         self.assertEqual(VOLUME["size"], sot.size)