func: Add CinderFixture to _IntegratedTestBase

As with Neutron this fixture is used often enough by users of
_IntegratedTestBase that it's worth being in the class itself.

Change-Id: I2e4c875533d8088c8454adc799539b10dcfc37dc

Author: lyarwood

nova/tests/functional/compute/test_live_migration.py

@@ -54,7 +54,6 @@ def setUp(self):
         self.compute2 = self.start_service('compute', host='host2')
 
     def test_live_migrate_attachment_delete_fails(self):
-        self.useFixture(nova_fixtures.CinderFixture(self))
         server = self.api.post_server({
             'server': {
                 'flavorRef': 1,
@@ -105,10 +104,6 @@ class TestVolAttachmentsDuringLiveMigration(
     ADMIN_API = True
     microversion = 'latest'
 
-    def setUp(self):
-        super().setUp()
-        self.cinder = self.useFixture(nova_fixtures.CinderFixture(self))
-
     def _setup_compute_service(self):
         self._start_compute('src')
         self._start_compute('dest')

nova/tests/functional/integrated_helpers.py

@@ -998,6 +998,7 @@ def setUp(self):
         self.placement_api = placement.api
 
         self.neutron = self.useFixture(nova_fixtures.NeutronFixture(self))
+        self.cinder = self.useFixture(nova_fixtures.CinderFixture(self))
 
         fake_notifier.stub_notifier(self)
         self.addCleanup(fake_notifier.reset)

nova/tests/functional/regressions/test_bug_1404867.py

@@ -57,8 +57,6 @@ def _create_error_server(self, volume_id):
         return self._wait_for_state_change(server, 'ERROR')
 
     def test_delete_with_reserved_volumes_new(self):
-        self.cinder = self.useFixture(
-            nova_fixtures.CinderFixture(self))
 
         # Create a server which should go to ERROR state because we don't
         # have any active computes.

nova/tests/functional/regressions/test_bug_1732947.py

@@ -30,11 +30,6 @@ class RebuildVolumeBackedSameImage(integrated_helpers._IntegratedTestBase):
     api_major_version = 'v2.1'
     microversion = 'latest'
 
-    def setUp(self):
-        super(RebuildVolumeBackedSameImage, self).setUp()
-        # We are creating a volume-backed server so we need the CinderFixture.
-        self.useFixture(nova_fixtures.CinderFixture(self))
-
     def _setup_scheduler_service(self):
         # Add the IsolatedHostsFilter to the list of enabled filters since it
         # is not enabled by default.

nova/tests/functional/regressions/test_bug_1889108.py

@@ -31,10 +31,6 @@ class TestVolAttachmentsDuringPreLiveMigration(
     ADMIN_API = True
     microversion = 'latest'
 
-    def setUp(self):
-        super().setUp()
-        self.cinder = self.useFixture(nova_fixtures.CinderFixture(self))
-
     def _setup_compute_service(self):
         self._start_compute('src')
         self._start_compute('dest')

nova/tests/functional/test_boot_from_volume.py

@@ -53,7 +53,6 @@ def setUp(self):
         self.flags(allow_resize_to_same_host=True)
         super(BootFromVolumeTest, self).setUp()
         self.admin_api = self.api_fixture.admin_api
-        self.useFixture(nova_fixtures.CinderFixture(self))
 
     def test_boot_from_volume_larger_than_local_gb(self):
         # Verify no local disk is being used currently

nova/tests/functional/test_conf_max_attach_disk_devices.py

@@ -20,10 +20,6 @@
 
 
 class ConfigurableMaxDiskDevicesTest(integrated_helpers._IntegratedTestBase):
-    def setUp(self):
-        super(ConfigurableMaxDiskDevicesTest, self).setUp()
-        self.cinder = self.useFixture(
-            nova_fixtures.CinderFixture(self))
 
     def _wait_for_volume_attach(self, server_id, volume_id):
         for i in range(0, 100):

nova/tests/functional/test_multiattach.py

@@ -31,7 +31,6 @@ def setUp(self):
         # multiattach.
         self.useFixture(nova_fixtures.AllServicesCurrent())
         super(TestMultiattachVolumes, self).setUp()
-        self.useFixture(nova_fixtures.CinderFixture(self))
 
     def test_boot_from_volume_and_attach_to_second_server(self):
         """This scenario creates a server from the multiattach volume, waits

nova/tests/functional/test_servers.py

@@ -767,8 +767,6 @@ def test_resize_server_overquota(self):
         self.assertEqual(403, ex.response.status_code)
 
     def test_attach_vol_maximum_disk_devices_exceeded(self):
-        self.useFixture(nova_fixtures.CinderFixture(self))
-
         server = self._build_server()
         created_server = self.api.post_server({"server": server})
         server_id = created_server['id']
@@ -1493,7 +1491,6 @@ def test_volume_backed_rebuild_different_image(self):
         different image than what is in the root disk of the root volume
         will result in a 400 BadRequest error.
         """
-        self.useFixture(nova_fixtures.CinderFixture(self))
         # First create our server as normal.
         server_req_body = {
             # There is no imageRef because this is boot from volume.