How to use get_host_for_server method in tempest

Best Python code snippet using tempest_python

test_live_migration.py

Source:test_live_migration.py Github

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...62 for live_migration in migration_list:63 if (live_migration['instance_uuid'] == server_id):64 msg += "\n%s" % live_migration65 msg += "]"66 self.assertEqual(target_host, self.get_host_for_server(server_id),67 msg)68 def _test_live_migration(self, state='ACTIVE', volume_backed=False):69 """Tests live migration between two hosts.70 Requires CONF.compute_feature_enabled.live_migration to be True.71 :param state: The vm_state the migrated server should be in before and72 after the live migration. Supported values are 'ACTIVE'73 and 'PAUSED'.74 :param volume_backed: If the instance is volume backed or not. If75 volume_backed, *block* migration is not used.76 """77 # Live migrate an instance to another host78 server_id = self.create_test_server(wait_until="ACTIVE",79 volume_backed=volume_backed)['id']80 source_host = self.get_host_for_server(server_id)81 destination_host = self.get_host_other_than(server_id)82 if state == 'PAUSED':83 self.admin_servers_client.pause_server(server_id)84 waiters.wait_for_server_status(self.admin_servers_client,85 server_id, state)86 LOG.info("Live migrate from source %s to destination %s",87 source_host, destination_host)88 self._live_migrate(server_id, destination_host, state, volume_backed)89 if CONF.compute_feature_enabled.live_migrate_back_and_forth:90 # If live_migrate_back_and_forth is enabled it is a grenade job.91 # Therefore test should validate whether LM is compatible in both92 # ways, so live migrate VM back to the source host93 LOG.info("Live migrate back to source %s", source_host)94 self._live_migrate(server_id, source_host, state, volume_backed)95 @decorators.idempotent_id('1dce86b8-eb04-4c03-a9d8-9c1dc3ee0c7b')96 def test_live_block_migration(self):97 self._test_live_migration()98 @decorators.idempotent_id('1e107f21-61b2-4988-8f22-b196e938ab88')99 @testtools.skipUnless(CONF.compute_feature_enabled.pause,100 'Pause is not available.')101 def test_live_block_migration_paused(self):102 self._test_live_migration(state='PAUSED')103 @decorators.skip_because(bug="1524898")104 @decorators.idempotent_id('5071cf17-3004-4257-ae61-73a84e28badd')105 @utils.services('volume')106 def test_volume_backed_live_migration(self):107 self._test_live_migration(volume_backed=True)108 @decorators.idempotent_id('e19c0cc6-6720-4ed8-be83-b6603ed5c812')109 @testtools.skipIf(not CONF.compute_feature_enabled.110 block_migration_for_live_migration,111 'Block Live migration not available')112 @testtools.skipIf(not CONF.compute_feature_enabled.113 block_migrate_cinder_iscsi,114 'Block Live migration not configured for iSCSI')115 def test_iscsi_volume(self):116 server = self.create_test_server(wait_until="ACTIVE")117 server_id = server['id']118 target_host = self.get_host_other_than(server_id)119 volume = self.create_volume()120 # Attach the volume to the server121 self.attach_volume(server, volume, device='/dev/xvdb')122 server = self.admin_servers_client.show_server(server_id)['server']123 volume_id1 = server["os-extended-volumes:volumes_attached"][0]["id"]124 self._migrate_server_to(server_id, target_host)125 waiters.wait_for_server_status(self.servers_client,126 server_id, 'ACTIVE')127 server = self.admin_servers_client.show_server(server_id)['server']128 volume_id2 = server["os-extended-volumes:volumes_attached"][0]["id"]129 self.assertEqual(target_host, self.get_host_for_server(server_id))130 self.assertEqual(volume_id1, volume_id2)131class LiveMigrationRemoteConsolesV26Test(LiveMigrationTest):132 min_microversion = '2.6'133 max_microversion = 'latest'134 @decorators.idempotent_id('6190af80-513e-4f0f-90f2-9714e84955d7')135 @testtools.skipUnless(CONF.compute_feature_enabled.serial_console,136 'Serial console not supported.')137 @testtools.skipUnless(138 compute.is_scheduler_filter_enabled("DifferentHostFilter"),139 'DifferentHostFilter is not available.')140 def test_live_migration_serial_console(self):141 """Test the live-migration of an instance which has a serial console142 The serial console feature of an instance uses ports on the host.143 These ports need to be updated when they are already in use by144 another instance on the target host. This test checks if this145 update behavior is correctly done, by connecting to the serial146 consoles of the instances before and after the live migration.147 """148 server01_id = self.create_test_server(wait_until='ACTIVE')['id']149 hints = {'different_host': server01_id}150 server02_id = self.create_test_server(scheduler_hints=hints,151 wait_until='ACTIVE')['id']152 host01_id = self.get_host_for_server(server01_id)153 host02_id = self.get_host_for_server(server02_id)154 self.assertNotEqual(host01_id, host02_id)155 # At this step we have 2 instances on different hosts, both with156 # serial consoles, both with port 10000 (the default value).157 # https://bugs.launchpad.net/nova/+bug/1455252 describes the issue158 # when live-migrating in such a scenario.159 self._verify_console_interaction(server01_id)160 self._verify_console_interaction(server02_id)161 self._migrate_server_to(server01_id, host02_id)162 waiters.wait_for_server_status(self.servers_client,163 server01_id, 'ACTIVE')164 self.assertEqual(host02_id, self.get_host_for_server(server01_id))165 self._verify_console_interaction(server01_id)166 # At this point, both instances have a valid serial console167 # connection, which means the ports got updated.168 def _verify_console_interaction(self, server_id):169 body = self.servers_client.get_remote_console(server_id,170 console_type='serial',171 protocol='serial')172 console_url = body['remote_console']['url']173 data = "test_live_migration_serial_console"174 console_output = ''175 t = 0.0176 interval = 0.1177 ws = compute.create_websocket(console_url)178 try:...

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test_servers_on_multinodes.py

Source:test_servers_on_multinodes.py Github

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...21 @classmethod22 def resource_setup(cls):23 super(ServersOnMultiNodesTest, cls).resource_setup()24 cls.server01 = cls.create_test_server(wait_until='ACTIVE')['id']25 cls.host01 = cls.get_host_for_server(cls.server01)26 @classmethod27 def skip_checks(cls):28 super(ServersOnMultiNodesTest, cls).skip_checks()29 if CONF.compute.min_compute_nodes < 2:30 raise cls.skipException(31 "Less than 2 compute nodes, skipping multi-nodes test.")32 def _create_servers_with_group(self, policy):33 group_id = self.create_test_server_group(policy=[policy])['id']34 hints = {'group': group_id}35 reservation_id = self.create_test_server(36 scheduler_hints=hints, wait_until='ACTIVE', min_count=2,37 return_reservation_id=True)['reservation_id']38 # Get the servers using the reservation_id.39 servers = self.servers_client.list_servers(40 detail=True, reservation_id=reservation_id)['servers']41 self.assertEqual(2, len(servers))42 # Assert the servers are in the group.43 server_group = self.server_groups_client.show_server_group(44 group_id)['server_group']45 hosts = {}46 for server in servers:47 self.assertIn(server['id'], server_group['members'])48 hosts[server['id']] = self.get_host_for_server(server['id'])49 return hosts50 @decorators.idempotent_id('26a9d5df-6890-45f2-abc4-a659290cb130')51 @testtools.skipUnless(52 compute.is_scheduler_filter_enabled("SameHostFilter"),53 'SameHostFilter is not available.')54 def test_create_servers_on_same_host(self):55 hints = {'same_host': self.server01}56 server02 = self.create_test_server(scheduler_hints=hints,57 wait_until='ACTIVE')['id']58 host02 = self.get_host_for_server(server02)59 self.assertEqual(self.host01, host02)60 @decorators.idempotent_id('cc7ca884-6e3e-42a3-a92f-c522fcf25e8e')61 @testtools.skipUnless(62 compute.is_scheduler_filter_enabled("DifferentHostFilter"),63 'DifferentHostFilter is not available.')64 def test_create_servers_on_different_hosts(self):65 hints = {'different_host': self.server01}66 server02 = self.create_test_server(scheduler_hints=hints,67 wait_until='ACTIVE')['id']68 host02 = self.get_host_for_server(server02)69 self.assertNotEqual(self.host01, host02)70 @decorators.idempotent_id('7869cc84-d661-4e14-9f00-c18cdc89cf57')71 @testtools.skipUnless(72 compute.is_scheduler_filter_enabled("DifferentHostFilter"),73 'DifferentHostFilter is not available.')74 def test_create_servers_on_different_hosts_with_list_of_servers(self):75 # This scheduler-hint supports list of servers also.76 hints = {'different_host': [self.server01]}77 server02 = self.create_test_server(scheduler_hints=hints,78 wait_until='ACTIVE')['id']79 host02 = self.get_host_for_server(server02)80 self.assertNotEqual(self.host01, host02)81 @decorators.idempotent_id('f8bd0867-e459-45f5-ba53-59134552fe04')82 @testtools.skipUnless(83 compute.is_scheduler_filter_enabled("ServerGroupAntiAffinityFilter"),84 'ServerGroupAntiAffinityFilter is not available.')85 def test_create_server_with_scheduler_hint_group_anti_affinity(self):86 """Tests the ServerGroupAntiAffinityFilter87 Creates two servers in an anti-affinity server group and88 asserts the servers are in the group and on different hosts.89 """90 hosts = self._create_servers_with_group('anti-affinity')91 hostnames = list(hosts.values())92 self.assertNotEqual(hostnames[0], hostnames[1],93 'Servers are on the same host: %s' % hosts)...

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