Add post_live_migration_at_destination() to compute rpcapi.

Part of bug 1006467.

This patch adds the "post_live_migration_at_destination method to the
compute rpcapi.  It is used by the compute manager.

Change-Id: I964d3b149e10c927657d0b239835335eb240b6e4

nova/compute/manager.py

@@ -2105,11 +2105,8 @@ class ComputeManager(manager.SchedulerDependentManager):
 
         # Define domain at destination host, without doing it,
         # pause/suspend/terminate do not work.
-        rpc.call(ctxt,
-                 rpc.queue_get_for(ctxt, FLAGS.compute_topic, dest),
-                     {"method": "post_live_migration_at_destination",
-                      "args": {'instance_id': instance_ref['id'],
-                               'block_migration': block_migration}})
+        self.compute_rpcapi.post_live_migration_at_destination(ctxt,
+                instance_ref, block_migration, dest)
 
         # No instance booting at source host, but instance dir
         # must be deleted for preparing next block migration

nova/compute/rpcapi.py

@@ -161,6 +161,13 @@ class ComputeAPI(nova.rpc.proxy.RpcProxy):
                 instance_uuid=instance['uuid']),
                 topic=self._compute_topic(ctxt, None, instance))
 
+    def post_live_migration_at_destination(self, ctxt, instance,
+            block_migration, host):
+        return self.call(ctxt,
+                self.make_msg('post_live_migration_at_destination',
+                instance_id=instance['id'], block_migration=block_migration),
+                self._compute_topic(ctxt, host, None))
+
     def pause_instance(self, ctxt, instance):
         self.cast(ctxt, self.make_msg('pause_instance',
                 instance_uuid=instance['uuid']),

nova/tests/compute/test_compute.py

@@ -1528,7 +1528,8 @@ class ComputeTestCase(BaseTestCase):
         self.mox.StubOutWithMock(rpc, 'call')
         rpc.call(c, rpc.queue_get_for(c, FLAGS.compute_topic, dest),
             {"method": "post_live_migration_at_destination",
-             "args": {'instance_id': i_ref['id'], 'block_migration': False}})
+             "args": {'instance_id': i_ref['id'], 'block_migration': False},
+             "version": compute_rpcapi.ComputeAPI.RPC_API_VERSION}, None)
         self.mox.StubOutWithMock(self.compute.driver, 'unplug_vifs')
         self.compute.driver.unplug_vifs(i_ref, [])
         rpc.call(c, 'network', {'method': 'setup_networks_on_host',

nova/tests/compute/test_rpcapi.py

@@ -58,7 +58,8 @@ class ComputeRpcAPITestCase(test.TestCase):
             instance = expected_msg['args']['instance']
             del expected_msg['args']['instance']
             if method in ['rollback_live_migration_at_destination',
-                          'pre_live_migration']:
+                          'pre_live_migration',
+                          'post_live_migration_at_destination']:
                 expected_msg['args']['instance_id'] = instance['id']
             else:
                 expected_msg['args']['instance_uuid'] = instance['uuid']
@@ -161,6 +162,11 @@ class ComputeRpcAPITestCase(test.TestCase):
         self._test_compute_api('lock_instance', 'cast',
                 instance=self.fake_instance)
 
+    def test_post_live_migration_at_destination(self):
+        self._test_compute_api('post_live_migration_at_destination', 'call',
+                instance=self.fake_instance, block_migration='block_migration',
+                host='host')
+
     def test_pause_instance(self):
         self._test_compute_api('pause_instance', 'cast',
                 instance=self.fake_instance)