[Pure Storage] Add missing DB values when performing create CG from

CG snap

Return the correct metadata from new volumes created after cloning
a consistency group from a snapshot.
Previously nothing was returned which causes issue with PowerVC.

Change-Id: Ia11abfe5f12aedd364fcd5ecd979733178c7dbd1
Closes-Bug: #1945824

cinder/tests/unit/volume/drivers/test_pure.py

@@ -1679,7 +1679,7 @@ class PureBaseVolumeDriverTestCase(PureBaseSharedDriverTestCase):
         mock_cgsnapshot = mock.Mock()
         mock_snapshots = [mock.Mock() for i in range(5)]
         mock_volumes = [mock.Mock() for i in range(5)]
-        result = self.driver.create_consistencygroup_from_src(
+        self.driver.create_consistencygroup_from_src(
             mock_context,
             mock_group,
             mock_volumes,
@@ -1688,7 +1688,6 @@ class PureBaseVolumeDriverTestCase(PureBaseSharedDriverTestCase):
             source_cg=None,
             source_vols=None
         )
-        self.assertEqual((None, None), result)
         mock_create_cg.assert_called_with(mock_context, mock_group)
         expected_calls = [mock.call(vol, snap)
                           for vol, snap in zip(mock_volumes, mock_snapshots)]
@@ -1715,14 +1714,13 @@ class PureBaseVolumeDriverTestCase(PureBaseSharedDriverTestCase):
         mock_source_cg = mock.MagicMock()
         mock_volumes = [mock.MagicMock() for i in range(num_volumes)]
         mock_source_vols = [mock.MagicMock() for i in range(num_volumes)]
-        result = self.driver.create_consistencygroup_from_src(
+        self.driver.create_consistencygroup_from_src(
             mock_context,
             mock_group,
             mock_volumes,
             source_cg=mock_source_cg,
             source_vols=mock_source_vols
         )
-        self.assertEqual((None, None), result)
         mock_create_cg.assert_called_with(mock_context, mock_group)
         self.assertTrue(self.array.create_pgroup_snapshot.called)
         self.assertTrue(self.array.destroy_pgroup.called)

cinder/volume/drivers/pure.py

@@ -550,6 +550,7 @@ class PureBaseVolumeDriver(san.SanDriver):
             repl_status = fields.ReplicationStatus.ENABLED
 
         model_update = {
+            'id': volume.id,
             'provider_id': purity_vol_name,
             'replication_status': repl_status,
         }
@@ -976,8 +977,11 @@ class PureBaseVolumeDriver(san.SanDriver):
 
         The new volumes will be consistent with the snapshot.
         """
+        vol_models = []
         for volume, snapshot in zip(volumes, snapshots):
-            self.create_volume_from_snapshot(volume, snapshot)
+            vol_models.append(self.create_volume_from_snapshot(volume,
+                                                               snapshot))
+        return vol_models
 
     def _create_cg_from_cg(self, group, source_group, volumes, source_vols):
         """Creates a new consistency group from an existing cg.
@@ -985,6 +989,7 @@ class PureBaseVolumeDriver(san.SanDriver):
         The new volumes will be in a consistent state, but this requires
         taking a new temporary group snapshot and cloning from that.
         """
+        vol_models = []
         pgroup_name = self._get_pgroup_name(source_group)
         tmp_suffix = '%s-tmp' % uuid.uuid4()
         tmp_pgsnap_name = '%(pgroup_name)s.%(pgsnap_suffix)s' % {
@@ -1013,19 +1018,21 @@ class PureBaseVolumeDriver(san.SanDriver):
                 )
         finally:
             self._delete_pgsnapshot(tmp_pgsnap_name)
+        return vol_models
 
     @pure_driver_debug_trace
     def create_consistencygroup_from_src(self, context, group, volumes,
                                          cgsnapshot=None, snapshots=None,
                                          source_cg=None, source_vols=None):
-        self.create_consistencygroup(context, group)
+        model_update = self.create_consistencygroup(context, group)
         if cgsnapshot and snapshots:
-            self._create_cg_from_cgsnap(volumes,
-                                        snapshots)
+            vol_models = self._create_cg_from_cgsnap(volumes,
+                                                     snapshots)
         elif source_cg:
-            self._create_cg_from_cg(group, source_cg, volumes, source_vols)
+            vol_models = self._create_cg_from_cg(group, source_cg,
+                                                 volumes, source_vols)
 
-        return None, None
+        return model_update, vol_models
 
     @pure_driver_debug_trace
     def delete_consistencygroup(self, context, group, volumes):

releasenotes/notes/bug_1945824-7f8f238e274ddebd.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Pure Storage driver  `Bug #1945824 <https://bugs.launchpad.net/cinder/+bug/1945824>`_:
+    Fixed missing DB values when creating new consistency group from CG snapshot.