Placement client: move to neutron_lib.placement

Move neutron_lib.clients.placement to neutron_lib.placement.client
with the intent of consolidating all Placement code under
neutron_lib.placement.

Change-Id: I48babd7e8d9fddb4c072f12515676dff1c08ef17
Related-Bug: #1578989

neutron_lib/tests/unit/placement/test_client.py

@@ -17,9 +17,9 @@ from keystoneauth1 import exceptions as ks_exc
 from oslo_utils import uuidutils
 
 from neutron_lib._i18n import _
-from neutron_lib.clients import placement
 from neutron_lib.exceptions import placement as n_exc
 from neutron_lib import fixture
+from neutron_lib.placement import client as place_client
 from neutron_lib.tests import _base as base
 
 
@@ -46,8 +46,8 @@ class TestPlacementAPIClient(base.BaseTestCase):
         config = mock.Mock()
         config.region_name = 'region_name'
         self.openstack_api_version = (
-            placement.PLACEMENT_API_LATEST_SUPPORTED)
+            place_client.PLACEMENT_API_LATEST_SUPPORTED)
-        self.placement_api_client = placement.PlacementAPIClient(
+        self.placement_api_client = place_client.PlacementAPIClient(
             config, self.openstack_api_version)
         self.placement_fixture = self.useFixture(
             fixture.PlacementAPIClientFixture(self.placement_api_client))

neutron_lib/tests/unit/test_fixture.py

@@ -19,9 +19,9 @@ from oslotest import base
 from neutron_lib.api import attributes
 from neutron_lib.api.definitions import port
 from neutron_lib.callbacks import registry
-from neutron_lib.clients import placement
 from neutron_lib.db import model_base
 from neutron_lib import fixture
+from neutron_lib.placement import client as place_client
 from neutron_lib.plugins import directory
 from neutron_lib.tests.unit.api import test_attributes
 
@@ -128,7 +128,7 @@ class APIDefinitionFixtureTestCase(base.BaseTestCase):
 class PlacementAPIClientFixtureTestCase(base.BaseTestCase):
 
     def _create_client_and_fixture(self):
-        placement_client = placement.PlacementAPIClient(mock.Mock())
+        placement_client = place_client.PlacementAPIClient(mock.Mock())
         placement_fixture = self.useFixture(
             fixture.PlacementAPIClientFixture(placement_client))
         return placement_client, placement_fixture

releasenotes/notes/placement-client-move-9f292ae2067c119c.yaml

@@ -0,0 +1,7 @@
+---
+other:
+  - |
+    The ``PlacementAPIClient`` class is moved from
+    ``neutron_lib.clients.placement`` to ``neutron_lib.placement.client``
+    in order to consolidate all Placement related logic under sub-package
+    ``neutron_lib.placement``.