Merge "[Pure Storage] Fix QoS setting for cloned volumes"

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

@@ -1851,6 +1851,49 @@ class PureBaseVolumeDriverTestCase(PureBaseSharedDriverTestCase):
             self.driver.create_cloned_volume, vol, src_vol)
         self.assertFalse(self.array.extend_volume.called)
 
+    # Tests cloning a volume that is not replicated type with QoS
+    @ddt.data(
+        {
+            "qos_name": "qos-iops-bws",
+            "qos_spec": dict(QOS_IOPS_BWS),
+            "qos_data": {"iops_limit": '100', "bandwidth_limit": '1048576'}
+        },
+        {
+            "qos_name": "qos-iops",
+            "qos_spec": dict(QOS_IOPS),
+            "qos_data": {"iops_limit": '100'}
+        },
+        {
+            "qos_name": "qos-bws",
+            "qos_spec": dict(QOS_BWS),
+            "qos_data": {"bandwidth_limit": '1048576'}
+        },
+    )
+    @mock.patch(BASE_DRIVER_OBJ + "._get_qos_settings")
+    @mock.patch(BASE_DRIVER_OBJ + ".set_qos")
+    @mock.patch(DRIVER_PATH + ".flasharray.VolumePost")
+    def test_create_cloned_volume_qos(self, qos_info,
+                                      mock_fa,
+                                      mock_qos,
+                                      mock_qos_specs):
+        ctxt = context.get_admin_context()
+        qos = qos_specs.create(ctxt,
+                               qos_info["qos_name"],
+                               qos_info["qos_spec"])
+        qos_data = self.flasharray.Qos(**qos_info["qos_data"])
+        vol, vol_name = self.new_fake_vol(set_provider_id=False)
+        src_vol, src_name = self.new_fake_vol(spec={"size": 1},
+                                              type_qos_specs_id=qos.id)
+        mock_data = self.array.flasharray.VolumePost(names=[vol_name],
+                                                     source=
+                                                     pure.flasharray.
+                                                     reference(name=src_name),
+                                                     qos=qos_data)
+        mock_fa.return_value = mock_data
+        mock_qos_specs.return_value = qos
+        self.driver.create_cloned_volume(vol, src_vol)
+        self.driver.set_qos.assert_called_with(self.array, vol_name, qos)
+
     @mock.patch(DRIVER_PATH + ".flasharray.VolumePost")
     def test_create_cloned_volume_sync_rep(self, mock_fa):
         repl_extra_specs = {

cinder/volume/drivers/pure.py

@@ -817,6 +817,12 @@ class PureBaseVolumeDriver(san.SanDriver):
                                vol_name,
                                src_vref["size"],
                                volume["size"])
+        # Check if the volume_type has QoS settings and if so
+        # apply them to the newly created volume
+        qos = None
+        qos = self._get_qos_settings(volume.volume_type)
+        if qos:
+            self.set_qos(current_array, vol_name, qos)
 
         return self._setup_volume(current_array, volume, vol_name)
 

releasenotes/notes/pure_fix_clone_qos-be824feb707d8223.yaml

@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Pure Storage driver `bug #2100547
+    <https://bugs.launchpad.net/cinder/+bug/2100547>`_: Fixed issue where
+    volumes created as clones from a source image volume do get
+    the defined QoS settings associated with the volume type used.