Merge "NetApp API failed. Reason - 18177:Relationship is in use by SnapMirror in local cluster"

manila/share/drivers/netapp/dataontap/cluster_mode/lib_multi_svm.py

@@ -558,7 +558,6 @@ class NetAppCmodeMultiSVMFileStorageLibrary(
         node_network_info = zip(nodes, network_info['network_allocations'])
 
         for node_name, network_allocation in node_network_info:
-
             port = self._get_node_data_port(node_name)
             vlan = network_allocation['segmentation_id']
             network_mtu = network_allocation.get('mtu')
@@ -741,12 +740,24 @@ class NetAppCmodeMultiSVMFileStorageLibrary(
         super(NetAppCmodeMultiSVMFileStorageLibrary, self).delete_replica(
             context, replica_list, replica, share_snapshots)
 
+        # Fix for bug 1996907- If snapmirror relationship still exist,
+        # deletes those again.
+        snapmirrors_des_list = self._get_snapmirrors_destinations(
+            vserver, peer_vserver)
+        snapmirrors_des_list_from_peer = self._get_snapmirrors_destinations(
+            peer_vserver, vserver)
+        if snapmirrors_des_list or snapmirrors_des_list_from_peer:
+            super(NetAppCmodeMultiSVMFileStorageLibrary, self).delete_replica(
+                context, replica_list, replica, share_snapshots)
+
         # Check if there are no remaining SnapMirror connections and if a
         # vserver peering exists and delete it.
-        snapmirrors = self._get_snapmirrors(vserver, peer_vserver)
+        snapmirrors_from_local = self._get_snapmirrors(vserver, peer_vserver)
         snapmirrors_from_peer = self._get_snapmirrors(peer_vserver, vserver)
         peers = self._get_vserver_peers(peer_vserver, vserver)
-        if not (snapmirrors or snapmirrors_from_peer) and peers:
+        if (not (snapmirrors_from_local or snapmirrors_from_peer
+                 or snapmirrors_des_list or snapmirrors_des_list_from_peer)
+                and peers):
             self._delete_vserver_peer(peer_vserver, vserver)
 
     def manage_server(self, context, share_server, identifier, driver_options):
@@ -795,6 +806,10 @@ class NetAppCmodeMultiSVMFileStorageLibrary(
         return self._client.get_snapmirrors(
             source_vserver=vserver, dest_vserver=peer_vserver)
 
+    def _get_snapmirrors_destinations(self, vserver, peer_vserver):
+        return self._client.get_snapmirror_destinations(
+            source_vserver=vserver, dest_vserver=peer_vserver)
+
     def _get_vservers_from_replicas(self, context, replica_list, new_replica):
         active_replica = self.find_active_replica(replica_list)
 
@@ -1175,6 +1190,7 @@ class NetAppCmodeMultiSVMFileStorageLibrary(
                 LOG.debug(
                     msg, {'operation_id': operation_id, 'status': status})
                 return
+
         try:
             wait_for_status()
         except exception.NetAppException:

manila/tests/share/drivers/netapp/dataontap/cluster_mode/test_lib_multi_svm.py

@@ -1478,6 +1478,8 @@ class NetAppFileStorageLibraryTestCase(test.TestCase):
                          mock.Mock(return_value=(self.fake_vserver,
                                                  self.fake_new_vserver_name)))
         self.mock_object(base_class, 'delete_replica')
+        self.mock_object(self.library, '_get_snapmirrors_destinations',
+                         mock.Mock(return_value=[]))
         self.mock_object(self.library, '_get_snapmirrors',
                          mock.Mock(return_value=[]))
         self.mock_object(self.library, '_get_vserver_peers',
@@ -1491,6 +1493,10 @@ class NetAppFileStorageLibraryTestCase(test.TestCase):
         self.library._get_vservers_from_replicas.assert_called_once_with(
             None, [self.fake_replica], self.fake_new_replica
         )
+        self.library._get_snapmirrors_destinations.assert_has_calls(
+            [mock.call(self.fake_vserver, self.fake_new_vserver_name),
+             mock.call(self.fake_new_vserver_name, self.fake_vserver)]
+        )
         base_class.delete_replica.assert_called_once_with(
             None, [self.fake_replica], self.fake_new_replica, []
         )
@@ -1602,6 +1608,7 @@ class NetAppFileStorageLibraryTestCase(test.TestCase):
         class FakeDBObj(dict):
             def to_dict(self):
                 return self
+
         fake_parent_share = copy.deepcopy(fake.SHARE)
         fake_parent_share['id'] = fake.SHARE_ID2
         fake_parent_share['host'] = fake.MANILA_HOST_NAME_2
@@ -1826,11 +1833,11 @@ class NetAppFileStorageLibraryTestCase(test.TestCase):
 
     @ddt.data(
         {'expected_server': fake.SHARE_SERVER_NO_NFS_NONE,
-         'share_group': {'share_server_id':
-                         fake.SHARE_SERVER_NO_NFS_NONE['id']}},
+         'share_group': {
+             'share_server_id': fake.SHARE_SERVER_NO_NFS_NONE['id']}},
         {'expected_server': fake.SHARE_SERVER_NO_DETAILS,
-         'share_group': {'share_server_id':
-                         fake.SHARE_SERVER_NO_DETAILS['id']}},
+         'share_group': {
+             'share_server_id': fake.SHARE_SERVER_NO_DETAILS['id']}},
         {'expected_server': fake.SHARE_SERVER_NO_DETAILS,
          'share_group': {
              'share_server_id': fake.SHARE_SERVER_NO_DETAILS['id']},

releasenotes/notes/bug-1982808-fix-netapp-api-failed-relationship-is-in-use-ecc9ede4d7f0f5b9.yaml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    NetApp driver `bug #1982808
+    <https://bugs.launchpad.net/manila/+bug/1982808>`_: Fixed issue
+    to add the retry logic to delete and release the snapmirror relationship.
+    Delete the vserver pairing when there is no snapmirror relationship exist
+    on source and destination cluster.