services/nodemanager/tests/test_computenode_dispatch.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import absolute_import, print_function
   4
   5 import time
   6 import unittest
   7
   8 import arvados.errors as arverror
   9 import httplib2
  10 import mock
  11 import pykka
  12 import threading
  13
  14 from libcloud.common.exceptions import BaseHTTPError
  15
  16 import arvnodeman.computenode.dispatch as dispatch
  17 from arvnodeman.computenode.driver import BaseComputeNodeDriver
  18 from . import testutil
  19
  20 class ComputeNodeSetupActorTestCase(testutil.ActorTestMixin, unittest.TestCase):
  21     def make_mocks(self, arvados_effect=None):
  22         if arvados_effect is None:
  23             arvados_effect = [testutil.arvados_node_mock()]
  24         self.arvados_effect = arvados_effect
  25         self.timer = testutil.MockTimer()
  26         self.api_client = mock.MagicMock(name='api_client')
  27         self.api_client.nodes().create().execute.side_effect = arvados_effect
  28         self.api_client.nodes().update().execute.side_effect = arvados_effect
  29         self.cloud_client = mock.MagicMock(name='cloud_client')
  30         self.cloud_client.create_node.return_value = testutil.cloud_node_mock(1)
  31         self.cloud_client.is_cloud_exception = BaseComputeNodeDriver.is_cloud_exception
  32
  33     def make_actor(self, arv_node=None):
  34         if not hasattr(self, 'timer'):
  35             self.make_mocks(arvados_effect=[arv_node] if arv_node else None)
  36         self.setup_actor = dispatch.ComputeNodeSetupActor.start(
  37             self.timer, self.api_client, self.cloud_client,
  38             testutil.MockSize(1), arv_node).proxy()
  39
  40     def assert_node_properties_updated(self, uuid=None,
  41                                        size=testutil.MockSize(1)):
  42         self.api_client.nodes().update.assert_any_call(
  43             uuid=(uuid or self.arvados_effect[-1]['uuid']),
  44             body={
  45                 'properties': {
  46                     'cloud_node': {
  47                         'size': size.id,
  48                         'price': size.price}}})
  49
  50     def test_creation_without_arvados_node(self):
  51         self.make_actor()
  52         finished = threading.Event()
  53         self.setup_actor.subscribe(lambda _: finished.set())
  54         self.assertEqual(self.arvados_effect[-1],
  55                          self.setup_actor.arvados_node.get(self.TIMEOUT))
  56         assert(finished.wait(self.TIMEOUT))
  57         self.assertEqual(1, self.api_client.nodes().create().execute.call_count)
  58         self.assertEqual(1, self.api_client.nodes().update().execute.call_count)
  59         self.assert_node_properties_updated()
  60         self.assertEqual(self.cloud_client.create_node(),
  61                          self.setup_actor.cloud_node.get(self.TIMEOUT))
  62
  63     def test_creation_with_arvados_node(self):
  64         self.make_mocks(arvados_effect=[testutil.arvados_node_mock()]*2)
  65         self.make_actor(testutil.arvados_node_mock())
  66         finished = threading.Event()
  67         self.setup_actor.subscribe(lambda _: finished.set())
  68         self.assertEqual(self.arvados_effect[-1],
  69                          self.setup_actor.arvados_node.get(self.TIMEOUT))
  70         assert(finished.wait(self.TIMEOUT))
  71         self.assert_node_properties_updated()
  72         self.assertEqual(2, self.api_client.nodes().update().execute.call_count)
  73         self.assertEqual(self.cloud_client.create_node(),
  74                          self.setup_actor.cloud_node.get(self.TIMEOUT))
  75
  76     def test_failed_arvados_calls_retried(self):
  77         self.make_mocks([
  78                 arverror.ApiError(httplib2.Response({'status': '500'}), ""),
  79                 testutil.arvados_node_mock(),
  80                 ])
  81         self.make_actor()
  82         self.wait_for_assignment(self.setup_actor, 'arvados_node')
  83
  84     def test_failed_cloud_calls_retried(self):
  85         self.make_mocks()
  86         self.cloud_client.create_node.side_effect = [
  87             Exception("test cloud creation error"),
  88             self.cloud_client.create_node.return_value,
  89             ]
  90         self.make_actor()
  91         self.wait_for_assignment(self.setup_actor, 'cloud_node')
  92
  93     def test_unknown_basehttperror_not_retried(self):
  94         self.make_mocks()
  95         self.cloud_client.create_node.side_effect = [
  96             BaseHTTPError(400, "Unknown"),
  97             self.cloud_client.create_node.return_value,
  98             ]
  99         self.make_actor()
 100         finished = threading.Event()
 101         self.setup_actor.subscribe(lambda _: finished.set())
 102         assert(finished.wait(self.TIMEOUT))
 103         self.assertEqual(0, self.cloud_client.post_create_node.call_count)
 104
 105     def test_known_basehttperror_retried(self):
 106         self.make_mocks()
 107         self.cloud_client.create_node.side_effect = [
 108             BaseHTTPError(400, "InstanceLimitExceeded"),
 109             self.cloud_client.create_node.return_value,
 110             ]
 111         self.make_actor()
 112         self.wait_for_assignment(self.setup_actor, 'cloud_node')
 113         self.assertEqual(1, self.cloud_client.post_create_node.call_count)
 114
 115     def test_failed_post_create_retried(self):
 116         self.make_mocks()
 117         self.cloud_client.post_create_node.side_effect = [
 118             Exception("test cloud post-create error"), None]
 119         self.make_actor()
 120         done = self.FUTURE_CLASS()
 121         self.setup_actor.subscribe(done.set)
 122         done.get(self.TIMEOUT)
 123         self.assertEqual(2, self.cloud_client.post_create_node.call_count)
 124
 125     def test_stop_when_no_cloud_node(self):
 126         self.make_mocks(
 127             arverror.ApiError(httplib2.Response({'status': '500'}), ""))
 128         self.make_actor()
 129         self.assertTrue(
 130             self.setup_actor.stop_if_no_cloud_node().get(self.TIMEOUT))
 131         self.assertTrue(
 132             self.setup_actor.actor_ref.actor_stopped.wait(self.TIMEOUT))
 133
 134     def test_no_stop_when_cloud_node(self):
 135         self.make_actor()
 136         self.wait_for_assignment(self.setup_actor, 'cloud_node')
 137         self.assertFalse(
 138             self.setup_actor.stop_if_no_cloud_node().get(self.TIMEOUT))
 139         self.assertTrue(self.stop_proxy(self.setup_actor),
 140                         "actor was stopped by stop_if_no_cloud_node")
 141
 142     def test_subscribe(self):
 143         self.make_mocks(
 144             arverror.ApiError(httplib2.Response({'status': '500'}), ""))
 145         self.make_actor()
 146         subscriber = mock.Mock(name='subscriber_mock')
 147         self.setup_actor.subscribe(subscriber)
 148         retry_resp = [testutil.arvados_node_mock()]
 149         self.api_client.nodes().create().execute.side_effect = retry_resp
 150         self.api_client.nodes().update().execute.side_effect = retry_resp
 151         self.wait_for_assignment(self.setup_actor, 'cloud_node')
 152         self.assertEqual(self.setup_actor.actor_ref.actor_urn,
 153                          subscriber.call_args[0][0].actor_ref.actor_urn)
 154
 155     def test_late_subscribe(self):
 156         self.make_actor()
 157         subscriber = mock.Mock(name='subscriber_mock')
 158         self.wait_for_assignment(self.setup_actor, 'cloud_node')
 159         self.setup_actor.subscribe(subscriber).get(self.TIMEOUT)
 160         self.stop_proxy(self.setup_actor)
 161         self.assertEqual(self.setup_actor.actor_ref.actor_urn,
 162                          subscriber.call_args[0][0].actor_ref.actor_urn)
 163
 164
 165 class ComputeNodeShutdownActorMixin(testutil.ActorTestMixin):
 166     def make_mocks(self, cloud_node=None, arvados_node=None,
 167                    shutdown_open=True, node_broken=False):
 168         self.timer = testutil.MockTimer()
 169         self.shutdowns = testutil.MockShutdownTimer()
 170         self.shutdowns._set_state(shutdown_open, 300)
 171         self.cloud_client = mock.MagicMock(name='cloud_client')
 172         self.cloud_client.broken.return_value = node_broken
 173         self.arvados_client = mock.MagicMock(name='arvados_client')
 174         self.updates = mock.MagicMock(name='update_mock')
 175         if cloud_node is None:
 176             cloud_node = testutil.cloud_node_mock()
 177         self.cloud_node = cloud_node
 178         self.arvados_node = arvados_node
 179
 180     def make_actor(self, cancellable=True, start_time=None):
 181         if not hasattr(self, 'timer'):
 182             self.make_mocks()
 183         if start_time is None:
 184             start_time = time.time()
 185         monitor_actor = dispatch.ComputeNodeMonitorActor.start(
 186             self.cloud_node, start_time, self.shutdowns,
 187             testutil.cloud_node_fqdn, self.timer, self.updates, self.cloud_client,
 188             self.arvados_node)
 189         self.shutdown_actor = self.ACTOR_CLASS.start(
 190             self.timer, self.cloud_client, self.arvados_client, monitor_actor,
 191             cancellable).proxy()
 192         self.monitor_actor = monitor_actor.proxy()
 193
 194     def check_success_flag(self, expected, allow_msg_count=1):
 195         # allow_msg_count is the number of internal messages that may
 196         # need to be handled for shutdown to finish.
 197         for try_num in range(1 + allow_msg_count):
 198             last_flag = self.shutdown_actor.success.get(self.TIMEOUT)
 199             if last_flag is expected:
 200                 break
 201         else:
 202             self.fail("success flag {} is not {}".format(last_flag, expected))
 203
 204     def test_uncancellable_shutdown(self, *mocks):
 205         self.make_mocks(shutdown_open=False)
 206         self.cloud_client.destroy_node.return_value = False
 207         self.make_actor(cancellable=False)
 208         self.check_success_flag(None, 0)
 209         self.shutdowns._set_state(True, 600)
 210         self.cloud_client.destroy_node.return_value = True
 211         self.check_success_flag(True)
 212
 213     def test_arvados_node_cleaned_after_shutdown(self, *mocks):
 214         cloud_node = testutil.cloud_node_mock(62)
 215         arv_node = testutil.arvados_node_mock(62)
 216         self.make_mocks(cloud_node, arv_node)
 217         self.make_actor()
 218         self.check_success_flag(True, 3)
 219         update_mock = self.arvados_client.nodes().update
 220         self.assertTrue(update_mock.called)
 221         update_kwargs = update_mock.call_args_list[0][1]
 222         self.assertEqual(arv_node['uuid'], update_kwargs.get('uuid'))
 223         self.assertIn('body', update_kwargs)
 224         for clear_key in ['slot_number', 'hostname', 'ip_address',
 225                           'first_ping_at', 'last_ping_at']:
 226             self.assertIn(clear_key, update_kwargs['body'])
 227             self.assertIsNone(update_kwargs['body'][clear_key])
 228         self.assertTrue(update_mock().execute.called)
 229
 230     def test_arvados_node_not_cleaned_after_shutdown_cancelled(self, *mocks):
 231         cloud_node = testutil.cloud_node_mock(61)
 232         arv_node = testutil.arvados_node_mock(61)
 233         self.make_mocks(cloud_node, arv_node, shutdown_open=False)
 234         self.cloud_client.destroy_node.return_value = False
 235         self.make_actor(cancellable=True)
 236         self.shutdown_actor.cancel_shutdown("test")
 237         self.check_success_flag(False, 2)
 238         self.assertFalse(self.arvados_client.nodes().update.called)
 239
 240
 241 class ComputeNodeShutdownActorTestCase(ComputeNodeShutdownActorMixin,
 242                                        unittest.TestCase):
 243     ACTOR_CLASS = dispatch.ComputeNodeShutdownActor
 244
 245     def test_easy_shutdown(self):
 246         self.make_actor(start_time=0)
 247         self.check_success_flag(True)
 248         self.assertTrue(self.cloud_client.destroy_node.called)
 249
 250     def test_shutdown_retries_when_cloud_fails(self):
 251         self.make_mocks()
 252         self.cloud_client.destroy_node.return_value = False
 253         self.make_actor(start_time=0)
 254         self.assertIsNone(self.shutdown_actor.success.get(self.TIMEOUT))
 255         self.cloud_client.destroy_node.return_value = True
 256         self.check_success_flag(True)
 257
 258     def test_shutdown_cancelled_when_cloud_fails_on_broken_node(self):
 259         self.make_mocks(node_broken=True)
 260         self.cloud_client.destroy_node.return_value = False
 261         self.make_actor(start_time=0)
 262         self.check_success_flag(False, 2)
 263         self.assertEqual(1, self.cloud_client.destroy_node.call_count)
 264         self.assertEqual(self.ACTOR_CLASS.NODE_BROKEN,
 265                          self.shutdown_actor.cancel_reason.get(self.TIMEOUT))
 266
 267     def test_late_subscribe(self):
 268         self.make_actor()
 269         subscriber = mock.Mock(name='subscriber_mock')
 270         self.shutdown_actor.subscribe(subscriber).get(self.TIMEOUT)
 271         self.stop_proxy(self.shutdown_actor)
 272         self.assertTrue(subscriber.called)
 273         self.assertEqual(self.shutdown_actor.actor_ref.actor_urn,
 274                          subscriber.call_args[0][0].actor_ref.actor_urn)
 275
 276
 277 class ComputeNodeUpdateActorTestCase(testutil.ActorTestMixin,
 278                                      unittest.TestCase):
 279     def make_actor(self):
 280         self.driver = mock.MagicMock(name='driver_mock')
 281         self.updater = dispatch.ComputeNodeUpdateActor.start(self.driver).proxy()
 282
 283     def test_node_sync(self):
 284         self.make_actor()
 285         cloud_node = testutil.cloud_node_mock()
 286         arv_node = testutil.arvados_node_mock()
 287         self.updater.sync_node(cloud_node, arv_node).get(self.TIMEOUT)
 288         self.driver().sync_node.assert_called_with(cloud_node, arv_node)
 289
 290     @testutil.no_sleep
 291     def test_node_sync_error(self):
 292         self.make_actor()
 293         cloud_node = testutil.cloud_node_mock()
 294         arv_node = testutil.arvados_node_mock()
 295         self.driver().sync_node.side_effect = (IOError, Exception, True)
 296         self.updater.sync_node(cloud_node, arv_node).get(self.TIMEOUT)
 297         self.updater.sync_node(cloud_node, arv_node).get(self.TIMEOUT)
 298         self.updater.sync_node(cloud_node, arv_node).get(self.TIMEOUT)
 299         self.driver().sync_node.assert_called_with(cloud_node, arv_node)
 300
 301 class ComputeNodeMonitorActorTestCase(testutil.ActorTestMixin,
 302                                       unittest.TestCase):
 303     def make_mocks(self, node_num):
 304         self.shutdowns = testutil.MockShutdownTimer()
 305         self.shutdowns._set_state(False, 300)
 306         self.timer = mock.MagicMock(name='timer_mock')
 307         self.updates = mock.MagicMock(name='update_mock')
 308         self.cloud_mock = testutil.cloud_node_mock(node_num)
 309         self.subscriber = mock.Mock(name='subscriber_mock')
 310         self.cloud_client = mock.MagicMock(name='cloud_client')
 311         self.cloud_client.broken.return_value = False
 312
 313     def make_actor(self, node_num=1, arv_node=None, start_time=None):
 314         if not hasattr(self, 'cloud_mock'):
 315             self.make_mocks(node_num)
 316         if start_time is None:
 317             start_time = time.time()
 318         self.node_actor = dispatch.ComputeNodeMonitorActor.start(
 319             self.cloud_mock, start_time, self.shutdowns,
 320             testutil.cloud_node_fqdn, self.timer, self.updates, self.cloud_client,
 321             arv_node, boot_fail_after=300).proxy()
 322         self.node_actor.subscribe(self.subscriber).get(self.TIMEOUT)
 323
 324     def node_state(self, *states):
 325         return self.node_actor.in_state(*states).get(self.TIMEOUT)
 326
 327     def test_in_state_when_unpaired(self):
 328         self.make_actor()
 329         self.assertTrue(self.node_state('unpaired'))
 330
 331     def test_in_state_when_pairing_stale(self):
 332         self.make_actor(arv_node=testutil.arvados_node_mock(
 333                 job_uuid=None, age=90000))
 334         self.assertTrue(self.node_state('down'))
 335
 336     def test_in_state_when_no_state_available(self):
 337         self.make_actor(arv_node=testutil.arvados_node_mock(
 338                 crunch_worker_state=None))
 339         print(self.node_actor.get_state().get())
 340         self.assertTrue(self.node_state('idle'))
 341
 342     def test_in_state_when_no_state_available_old(self):
 343         self.make_actor(arv_node=testutil.arvados_node_mock(
 344                 crunch_worker_state=None, age=90000))
 345         print(self.node_actor.get_state().get())
 346         self.assertTrue(self.node_state('down'))
 347
 348     def test_in_idle_state(self):
 349         self.make_actor(2, arv_node=testutil.arvados_node_mock(job_uuid=None))
 350         self.assertTrue(self.node_state('idle'))
 351         self.assertFalse(self.node_state('busy'))
 352         self.assertTrue(self.node_state('idle', 'busy'))
 353
 354     def test_in_busy_state(self):
 355         self.make_actor(3, arv_node=testutil.arvados_node_mock(job_uuid=True))
 356         self.assertFalse(self.node_state('idle'))
 357         self.assertTrue(self.node_state('busy'))
 358         self.assertTrue(self.node_state('idle', 'busy'))
 359
 360     def test_init_shutdown_scheduling(self):
 361         self.make_actor()
 362         self.assertTrue(self.timer.schedule.called)
 363         self.assertEqual(300, self.timer.schedule.call_args[0][0])
 364
 365     def test_shutdown_window_close_scheduling(self):
 366         self.make_actor()
 367         self.shutdowns._set_state(False, 600)
 368         self.timer.schedule.reset_mock()
 369         self.node_actor.consider_shutdown().get(self.TIMEOUT)
 370         self.stop_proxy(self.node_actor)
 371         self.assertTrue(self.timer.schedule.called)
 372         self.assertEqual(600, self.timer.schedule.call_args[0][0])
 373         self.assertFalse(self.subscriber.called)
 374
 375     def test_shutdown_subscription(self):
 376         self.make_actor(start_time=0)
 377         self.shutdowns._set_state(True, 600)
 378         self.node_actor.consider_shutdown().get(self.TIMEOUT)
 379         self.assertTrue(self.subscriber.called)
 380         self.assertEqual(self.node_actor.actor_ref.actor_urn,
 381                          self.subscriber.call_args[0][0].actor_ref.actor_urn)
 382
 383     def test_no_shutdown_booting(self):
 384         self.make_actor()
 385         self.shutdowns._set_state(True, 600)
 386         self.assertEquals(self.node_actor.shutdown_eligible().get(self.TIMEOUT),
 387                           (False, "node state is ('unpaired', 'open', 'boot wait', 'idle exceeded')"))
 388
 389     def test_shutdown_without_arvados_node(self):
 390         self.make_actor(start_time=0)
 391         self.shutdowns._set_state(True, 600)
 392         self.assertEquals((True, "node state is ('unpaired', 'open', 'boot exceeded', 'idle exceeded')"),
 393                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 394
 395     def test_shutdown_missing(self):
 396         arv_node = testutil.arvados_node_mock(10, job_uuid=None,
 397                                               crunch_worker_state="down",
 398                                               last_ping_at='1970-01-01T01:02:03.04050607Z')
 399         self.make_actor(10, arv_node)
 400         self.shutdowns._set_state(True, 600)
 401         self.assertEquals((True, "node state is ('down', 'open', 'boot wait', 'idle exceeded')"),
 402                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 403
 404     def test_shutdown_running_broken(self):
 405         arv_node = testutil.arvados_node_mock(12, job_uuid=None,
 406                                               crunch_worker_state="down")
 407         self.make_actor(12, arv_node)
 408         self.shutdowns._set_state(True, 600)
 409         self.cloud_client.broken.return_value = True
 410         self.assertEquals((True, "node state is ('down', 'open', 'boot wait', 'idle exceeded')"),
 411                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 412
 413     def test_shutdown_missing_broken(self):
 414         arv_node = testutil.arvados_node_mock(11, job_uuid=None,
 415                                               crunch_worker_state="down",
 416                                               last_ping_at='1970-01-01T01:02:03.04050607Z')
 417         self.make_actor(11, arv_node)
 418         self.shutdowns._set_state(True, 600)
 419         self.cloud_client.broken.return_value = True
 420         self.assertEquals(self.node_actor.shutdown_eligible().get(self.TIMEOUT), (True, "node state is ('down', 'open', 'boot wait', 'idle exceeded')"))
 421
 422     def test_no_shutdown_when_window_closed(self):
 423         self.make_actor(3, testutil.arvados_node_mock(3, job_uuid=None))
 424         self.assertEquals((False, "node state is ('idle', 'closed', 'boot wait', 'idle exceeded')"),
 425                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 426
 427     def test_no_shutdown_when_node_running_job(self):
 428         self.make_actor(4, testutil.arvados_node_mock(4, job_uuid=True))
 429         self.shutdowns._set_state(True, 600)
 430         self.assertEquals((False, "node state is ('busy', 'open', 'boot wait', 'idle exceeded')"),
 431                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 432
 433     def test_shutdown_when_node_state_unknown(self):
 434         self.make_actor(5, testutil.arvados_node_mock(
 435             5, crunch_worker_state=None))
 436         self.shutdowns._set_state(True, 600)
 437         self.assertEquals((True, "node state is ('idle', 'open', 'boot wait', 'idle exceeded')"),
 438                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 439
 440     def test_no_shutdown_when_node_state_stale(self):
 441         self.make_actor(6, testutil.arvados_node_mock(6, age=90000))
 442         self.shutdowns._set_state(True, 600)
 443         self.assertEquals((False, "node state is stale"),
 444                           self.node_actor.shutdown_eligible().get(self.TIMEOUT))
 445
 446     def test_arvados_node_match(self):
 447         self.make_actor(2)
 448         arv_node = testutil.arvados_node_mock(
 449             2, hostname='compute-two.zzzzz.arvadosapi.com')
 450         self.cloud_client.node_id.return_value = '2'
 451         pair_id = self.node_actor.offer_arvados_pair(arv_node).get(self.TIMEOUT)
 452         self.assertEqual(self.cloud_mock.id, pair_id)
 453         self.stop_proxy(self.node_actor)
 454         self.updates.sync_node.assert_called_with(self.cloud_mock, arv_node)
 455
 456     def test_arvados_node_mismatch(self):
 457         self.make_actor(3)
 458         arv_node = testutil.arvados_node_mock(1)
 459         self.assertIsNone(
 460             self.node_actor.offer_arvados_pair(arv_node).get(self.TIMEOUT))
 461
 462     def test_arvados_node_mismatch_first_ping_too_early(self):
 463         self.make_actor(4)
 464         arv_node = testutil.arvados_node_mock(
 465             4, first_ping_at='1971-03-02T14:15:16.1717282Z')
 466         self.assertIsNone(
 467             self.node_actor.offer_arvados_pair(arv_node).get(self.TIMEOUT))
 468
 469     def test_update_cloud_node(self):
 470         self.make_actor(1)
 471         self.make_mocks(2)
 472         self.cloud_mock.id = '1'
 473         self.node_actor.update_cloud_node(self.cloud_mock)
 474         current_cloud = self.node_actor.cloud_node.get(self.TIMEOUT)
 475         self.assertEqual([testutil.ip_address_mock(2)],
 476                          current_cloud.private_ips)
 477
 478     def test_missing_cloud_node_update(self):
 479         self.make_actor(1)
 480         self.node_actor.update_cloud_node(None)
 481         current_cloud = self.node_actor.cloud_node.get(self.TIMEOUT)
 482         self.assertEqual([testutil.ip_address_mock(1)],
 483                          current_cloud.private_ips)
 484
 485     def test_update_arvados_node(self):
 486         self.make_actor(3)
 487         job_uuid = 'zzzzz-jjjjj-updatejobnode00'
 488         new_arvados = testutil.arvados_node_mock(3, job_uuid)
 489         self.node_actor.update_arvados_node(new_arvados)
 490         current_arvados = self.node_actor.arvados_node.get(self.TIMEOUT)
 491         self.assertEqual(job_uuid, current_arvados['job_uuid'])
 492
 493     def test_missing_arvados_node_update(self):
 494         self.make_actor(4, testutil.arvados_node_mock(4))
 495         self.node_actor.update_arvados_node(None)
 496         current_arvados = self.node_actor.arvados_node.get(self.TIMEOUT)
 497         self.assertEqual(testutil.ip_address_mock(4),
 498                          current_arvados['ip_address'])
 499
 500     def test_update_arvados_node_syncs_when_fqdn_mismatch(self):
 501         self.make_mocks(5)
 502         self.cloud_mock.extra['testname'] = 'cloudfqdn.zzzzz.arvadosapi.com'
 503         self.make_actor()
 504         arv_node = testutil.arvados_node_mock(5)
 505         self.node_actor.update_arvados_node(arv_node).get(self.TIMEOUT)
 506         self.assertEqual(1, self.updates.sync_node.call_count)
 507
 508     def test_update_arvados_node_skips_sync_when_fqdn_match(self):
 509         self.make_mocks(6)
 510         arv_node = testutil.arvados_node_mock(6)
 511         self.cloud_mock.extra['testname'] ='{n[hostname]}.{n[domain]}'.format(
 512             n=arv_node)
 513         self.make_actor()
 514         self.node_actor.update_arvados_node(arv_node).get(self.TIMEOUT)
 515         self.assertEqual(0, self.updates.sync_node.call_count)