3 from __future__ import absolute_import, print_function
11 import arvnodeman.daemon as nmdaemon
12 from arvnodeman.computenode.dispatch import ComputeNodeMonitorActor
13 from . import testutil
15 class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin,
17 def new_setup_proxy(self):
18 # Make sure that every time the daemon starts a setup actor,
19 # it gets a new mock object back.
20 self.last_setup = mock.MagicMock(name='setup_proxy_mock')
21 return self.last_setup
23 def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[],
24 min_size=testutil.MockSize(1), min_nodes=0, max_nodes=8):
25 for name in ['cloud_nodes', 'arvados_nodes', 'server_wishlist']:
26 setattr(self, name + '_poller', mock.MagicMock(name=name + '_mock'))
27 self.arv_factory = mock.MagicMock(name='arvados_mock')
28 self.cloud_factory = mock.MagicMock(name='cloud_mock')
29 self.cloud_factory().node_start_time.return_value = time.time()
30 self.cloud_updates = mock.MagicMock(name='updates_mock')
31 self.timer = testutil.MockTimer(deliver_immediately=False)
32 self.node_setup = mock.MagicMock(name='setup_mock')
33 self.node_setup.start().proxy.side_effect = self.new_setup_proxy
34 self.node_setup.reset_mock()
35 self.node_shutdown = mock.MagicMock(name='shutdown_mock')
36 self.daemon = nmdaemon.NodeManagerDaemonActor.start(
37 self.server_wishlist_poller, self.arvados_nodes_poller,
38 self.cloud_nodes_poller, self.cloud_updates, self.timer,
39 self.arv_factory, self.cloud_factory,
40 [54, 5, 1], min_size, min_nodes, max_nodes, 600, 1800, 3600,
41 self.node_setup, self.node_shutdown).proxy()
42 if cloud_nodes is not None:
43 self.daemon.update_cloud_nodes(cloud_nodes).get(self.TIMEOUT)
44 if arvados_nodes is not None:
45 self.daemon.update_arvados_nodes(arvados_nodes).get(self.TIMEOUT)
46 if want_sizes is not None:
47 self.daemon.update_server_wishlist(want_sizes).get(self.TIMEOUT)
49 def monitor_list(self):
50 return pykka.ActorRegistry.get_by_class(ComputeNodeMonitorActor)
52 def monitored_arvados_nodes(self):
54 for future in [actor.proxy().arvados_node
55 for actor in self.monitor_list()]:
57 pairings.append(future.get(self.TIMEOUT))
58 except pykka.ActorDeadError:
62 def alive_monitor_count(self):
63 return len(self.monitored_arvados_nodes())
65 def assertShutdownCancellable(self, expected=True):
66 self.assertTrue(self.node_shutdown.start.called)
67 self.assertIs(expected,
68 self.node_shutdown.start.call_args[1]['cancellable'],
69 "ComputeNodeShutdownActor incorrectly cancellable")
71 def test_easy_node_creation(self):
72 size = testutil.MockSize(1)
73 self.make_daemon(want_sizes=[size])
74 self.stop_proxy(self.daemon)
75 self.assertTrue(self.node_setup.start.called)
77 def check_monitors_arvados_nodes(self, *arv_nodes):
78 self.assertItemsEqual(arv_nodes, self.monitored_arvados_nodes())
80 def test_node_pairing(self):
81 cloud_node = testutil.cloud_node_mock(1)
82 arv_node = testutil.arvados_node_mock(1)
83 self.make_daemon([cloud_node], [arv_node])
84 self.stop_proxy(self.daemon)
85 self.check_monitors_arvados_nodes(arv_node)
87 def test_node_pairing_after_arvados_update(self):
88 cloud_node = testutil.cloud_node_mock(2)
89 self.make_daemon([cloud_node],
90 [testutil.arvados_node_mock(2, ip_address=None)])
91 arv_node = testutil.arvados_node_mock(2)
92 self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT)
93 self.stop_proxy(self.daemon)
94 self.check_monitors_arvados_nodes(arv_node)
96 def test_arvados_node_un_and_re_paired(self):
97 # We need to create the Arvados node mock after spinning up the daemon
98 # to make sure it's new enough to pair with the cloud node.
99 self.make_daemon([testutil.cloud_node_mock(3)], arvados_nodes=None)
100 arv_node = testutil.arvados_node_mock(3)
101 self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT)
102 self.check_monitors_arvados_nodes(arv_node)
103 self.daemon.update_cloud_nodes([]).get(self.TIMEOUT)
104 self.assertEqual(0, self.alive_monitor_count())
105 self.daemon.update_cloud_nodes([testutil.cloud_node_mock(3)])
106 self.stop_proxy(self.daemon)
107 self.check_monitors_arvados_nodes(arv_node)
109 def test_old_arvados_node_not_double_assigned(self):
110 arv_node = testutil.arvados_node_mock(3, age=9000)
111 size = testutil.MockSize(3)
112 self.make_daemon(arvados_nodes=[arv_node])
113 self.daemon.update_server_wishlist([size]).get(self.TIMEOUT)
114 self.daemon.update_server_wishlist([size, size]).get(self.TIMEOUT)
115 self.stop_proxy(self.daemon)
116 used_nodes = [call[1].get('arvados_node')
117 for call in self.node_setup.start.call_args_list]
118 self.assertEqual(2, len(used_nodes))
119 self.assertIn(arv_node, used_nodes)
120 self.assertIn(None, used_nodes)
122 def test_node_count_satisfied(self):
123 self.make_daemon([testutil.cloud_node_mock()],
124 want_sizes=[testutil.MockSize(1)])
125 self.stop_proxy(self.daemon)
126 self.assertFalse(self.node_setup.called)
128 def test_booting_nodes_counted(self):
129 cloud_node = testutil.cloud_node_mock(1)
130 arv_node = testutil.arvados_node_mock(1)
131 server_wishlist = [testutil.MockSize(1)] * 2
132 self.make_daemon([cloud_node], [arv_node], server_wishlist)
133 self.daemon.max_nodes.get(self.TIMEOUT)
134 self.assertTrue(self.node_setup.start.called)
135 self.daemon.update_server_wishlist(server_wishlist).get(self.TIMEOUT)
136 self.stop_proxy(self.daemon)
137 self.assertEqual(1, self.node_setup.start.call_count)
139 def test_boot_new_node_when_all_nodes_busy(self):
140 arv_node = testutil.arvados_node_mock(2, job_uuid=True)
141 self.make_daemon([testutil.cloud_node_mock(2)], [arv_node],
142 [testutil.MockSize(2)])
143 self.stop_proxy(self.daemon)
144 self.assertTrue(self.node_setup.start.called)
146 def test_boot_new_node_below_min_nodes(self):
147 min_size = testutil.MockSize(1)
148 wish_size = testutil.MockSize(3)
149 self.make_daemon([], [], None, min_size=min_size, min_nodes=2)
150 self.daemon.update_server_wishlist([wish_size]).get(self.TIMEOUT)
151 self.daemon.update_cloud_nodes([]).get(self.TIMEOUT)
152 self.daemon.update_server_wishlist([wish_size]).get(self.TIMEOUT)
153 self.stop_proxy(self.daemon)
154 self.assertEqual([wish_size, min_size],
155 [call[1].get('cloud_size')
156 for call in self.node_setup.start.call_args_list])
158 def test_no_new_node_when_ge_min_nodes_busy(self):
159 cloud_nodes = [testutil.cloud_node_mock(n) for n in range(1, 4)]
160 arv_nodes = [testutil.arvados_node_mock(n, job_uuid=True)
161 for n in range(1, 4)]
162 self.make_daemon(cloud_nodes, arv_nodes, [], min_nodes=2)
163 self.stop_proxy(self.daemon)
164 self.assertEqual(0, self.node_setup.start.call_count)
166 def test_no_new_node_when_max_nodes_busy(self):
167 self.make_daemon([testutil.cloud_node_mock(3)],
168 [testutil.arvados_node_mock(3, job_uuid=True)],
169 [testutil.MockSize(3)],
171 self.stop_proxy(self.daemon)
172 self.assertFalse(self.node_setup.start.called)
174 def start_node_boot(self, cloud_node=None, arv_node=None, id_num=1):
175 if cloud_node is None:
176 cloud_node = testutil.cloud_node_mock(id_num)
178 arv_node = testutil.arvados_node_mock(id_num)
179 self.make_daemon(want_sizes=[testutil.MockSize(id_num)])
180 self.daemon.max_nodes.get(self.TIMEOUT)
181 self.assertEqual(1, self.node_setup.start.call_count)
182 self.last_setup.cloud_node.get.return_value = cloud_node
183 self.last_setup.arvados_node.get.return_value = arv_node
184 return self.last_setup
186 def test_no_duplication_when_booting_node_listed_fast(self):
187 # Test that we don't start two ComputeNodeMonitorActors when
188 # we learn about a booting node through a listing before we
189 # get the "node up" message from CloudNodeSetupActor.
190 cloud_node = testutil.cloud_node_mock(1)
191 setup = self.start_node_boot(cloud_node)
192 self.daemon.update_cloud_nodes([cloud_node])
193 self.daemon.node_up(setup).get(self.TIMEOUT)
194 self.assertEqual(1, self.alive_monitor_count())
196 def test_no_duplication_when_booted_node_listed(self):
197 cloud_node = testutil.cloud_node_mock(2)
198 setup = self.start_node_boot(cloud_node, id_num=2)
199 self.daemon.node_up(setup)
200 self.daemon.update_cloud_nodes([cloud_node]).get(self.TIMEOUT)
201 self.assertEqual(1, self.alive_monitor_count())
203 def test_node_counted_after_boot_with_slow_listing(self):
204 # Test that, after we boot a compute node, we assume it exists
205 # even it doesn't appear in the listing (e.g., because of delays
207 setup = self.start_node_boot()
208 self.daemon.node_up(setup).get(self.TIMEOUT)
209 self.assertEqual(1, self.alive_monitor_count())
210 self.daemon.update_cloud_nodes([]).get(self.TIMEOUT)
211 self.assertEqual(1, self.alive_monitor_count())
213 def test_booted_unlisted_node_counted(self):
214 setup = self.start_node_boot(id_num=1)
215 self.daemon.node_up(setup)
216 self.daemon.update_server_wishlist(
217 [testutil.MockSize(1)]).get(self.TIMEOUT)
218 self.stop_proxy(self.daemon)
219 self.assertEqual(1, self.node_setup.start.call_count)
221 def test_booted_node_can_shutdown(self):
222 setup = self.start_node_boot()
223 self.daemon.node_up(setup).get(self.TIMEOUT)
224 self.assertEqual(1, self.alive_monitor_count())
225 monitor = self.monitor_list()[0].proxy()
226 self.daemon.update_server_wishlist([])
227 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
228 self.stop_proxy(self.daemon)
229 self.assertTrue(self.node_shutdown.start.called,
230 "daemon did not shut down booted node on offer")
232 def test_booted_node_lifecycle(self):
233 cloud_node = testutil.cloud_node_mock(6)
234 setup = self.start_node_boot(cloud_node, id_num=6)
235 self.daemon.node_up(setup).get(self.TIMEOUT)
236 self.assertEqual(1, self.alive_monitor_count())
237 monitor = self.monitor_list()[0].proxy()
238 self.daemon.update_server_wishlist([])
239 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
240 self.assertShutdownCancellable(True)
241 shutdown = self.node_shutdown.start().proxy()
242 shutdown.cloud_node.get.return_value = cloud_node
243 self.daemon.node_finished_shutdown(shutdown).get(self.TIMEOUT)
244 self.assertTrue(shutdown.stop.called,
245 "shutdown actor not stopped after finishing")
246 self.assertTrue(monitor.actor_ref.actor_stopped.wait(self.TIMEOUT),
247 "monitor for booted node not stopped after shutdown")
248 self.daemon.update_server_wishlist(
249 [testutil.MockSize(2)]).get(self.TIMEOUT)
250 self.stop_proxy(self.daemon)
251 self.assertTrue(self.node_setup.start.called,
252 "second node not started after booted node stopped")
254 def test_booted_node_shut_down_when_never_listed(self):
255 setup = self.start_node_boot()
256 self.daemon.node_up(setup).get(self.TIMEOUT)
257 self.assertEqual(1, self.alive_monitor_count())
258 self.assertFalse(self.node_shutdown.start.called)
260 self.stop_proxy(self.daemon)
261 self.assertShutdownCancellable(False)
263 def test_booted_node_shut_down_when_never_paired(self):
264 cloud_node = testutil.cloud_node_mock(2)
265 setup = self.start_node_boot(cloud_node)
266 self.daemon.node_up(setup).get(self.TIMEOUT)
267 self.assertEqual(1, self.alive_monitor_count())
268 self.daemon.update_cloud_nodes([cloud_node])
270 self.stop_proxy(self.daemon)
271 self.assertShutdownCancellable(False)
273 def test_node_that_pairs_not_considered_failed_boot(self):
274 cloud_node = testutil.cloud_node_mock(3)
275 arv_node = testutil.arvados_node_mock(3)
276 setup = self.start_node_boot(cloud_node, arv_node)
277 self.daemon.node_up(setup).get(self.TIMEOUT)
278 self.assertEqual(1, self.alive_monitor_count())
279 self.daemon.update_cloud_nodes([cloud_node])
280 self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT)
282 self.stop_proxy(self.daemon)
283 self.assertFalse(self.node_shutdown.start.called)
285 def test_booting_nodes_shut_down(self):
286 self.make_daemon(want_sizes=[testutil.MockSize(1)])
287 self.daemon.update_server_wishlist([]).get(self.TIMEOUT)
288 self.stop_proxy(self.daemon)
289 self.assertTrue(self.last_setup.stop_if_no_cloud_node.called)
291 def test_shutdown_declined_at_wishlist_capacity(self):
292 cloud_node = testutil.cloud_node_mock(1)
293 size = testutil.MockSize(1)
294 self.make_daemon(cloud_nodes=[cloud_node], want_sizes=[size])
295 self.assertEqual(1, self.alive_monitor_count())
296 monitor = self.monitor_list()[0].proxy()
297 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
298 self.stop_proxy(self.daemon)
299 self.assertFalse(self.node_shutdown.start.called)
301 def test_shutdown_declined_below_min_nodes(self):
302 cloud_node = testutil.cloud_node_mock(1)
303 self.make_daemon(cloud_nodes=[cloud_node], min_nodes=1)
304 self.assertEqual(1, self.alive_monitor_count())
305 monitor = self.monitor_list()[0].proxy()
306 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
307 self.stop_proxy(self.daemon)
308 self.assertFalse(self.node_shutdown.start.called)
310 def test_shutdown_accepted_below_capacity(self):
311 self.make_daemon(cloud_nodes=[testutil.cloud_node_mock()])
312 self.assertEqual(1, self.alive_monitor_count())
313 monitor = self.monitor_list()[0].proxy()
314 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
315 self.stop_proxy(self.daemon)
316 self.assertTrue(self.node_shutdown.start.called)
318 def test_shutdown_declined_when_idle_and_job_queued(self):
319 cloud_nodes = [testutil.cloud_node_mock(n) for n in [3, 4]]
320 arv_nodes = [testutil.arvados_node_mock(3, job_uuid=True),
321 testutil.arvados_node_mock(4, job_uuid=None)]
322 self.make_daemon(cloud_nodes, arv_nodes, [testutil.MockSize(1)])
323 self.assertEqual(2, self.alive_monitor_count())
324 for mon_ref in self.monitor_list():
325 monitor = mon_ref.proxy()
326 if monitor.cloud_node.get(self.TIMEOUT) is cloud_nodes[-1]:
329 self.fail("monitor for idle node not found")
330 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
331 self.stop_proxy(self.daemon)
332 self.assertFalse(self.node_shutdown.start.called)
334 def test_node_shutdown_after_cancelled_shutdown(self):
335 cloud_node = testutil.cloud_node_mock(5)
336 self.make_daemon([cloud_node], [testutil.arvados_node_mock(5)])
337 self.assertEqual(1, self.alive_monitor_count())
338 monitor = self.monitor_list()[0].proxy()
339 shutdown_proxy = self.node_shutdown.start().proxy
340 shutdown_proxy().cloud_node.get.return_value = cloud_node
341 shutdown_proxy().success.get.return_value = False
342 shutdown_proxy.reset_mock()
343 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
344 self.assertTrue(shutdown_proxy.called)
345 self.daemon.node_finished_shutdown(shutdown_proxy()).get(self.TIMEOUT)
346 shutdown_proxy().success.get.return_value = True
347 shutdown_proxy.reset_mock()
348 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
349 self.assertTrue(shutdown_proxy.called)
351 def test_nodes_shutting_down_replaced_below_max_nodes(self):
352 cloud_node = testutil.cloud_node_mock(6)
353 self.make_daemon([cloud_node], [testutil.arvados_node_mock(6)])
354 self.assertEqual(1, self.alive_monitor_count())
355 monitor = self.monitor_list()[0].proxy()
356 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
357 self.assertTrue(self.node_shutdown.start.called)
358 self.daemon.update_server_wishlist(
359 [testutil.MockSize(6)]).get(self.TIMEOUT)
360 self.stop_proxy(self.daemon)
361 self.assertTrue(self.node_setup.start.called)
363 def test_nodes_shutting_down_not_replaced_at_max_nodes(self):
364 cloud_node = testutil.cloud_node_mock(7)
365 self.make_daemon([cloud_node], [testutil.arvados_node_mock(7)],
367 self.assertEqual(1, self.alive_monitor_count())
368 monitor = self.monitor_list()[0].proxy()
369 self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT)
370 self.assertTrue(self.node_shutdown.start.called)
371 self.daemon.update_server_wishlist(
372 [testutil.MockSize(7)]).get(self.TIMEOUT)
373 self.stop_proxy(self.daemon)
374 self.assertFalse(self.node_setup.start.called)
376 def test_nodes_shutting_down_count_against_excess(self):
377 cloud_nodes = [testutil.cloud_node_mock(n) for n in [8, 9]]
378 arv_nodes = [testutil.arvados_node_mock(n) for n in [8, 9]]
379 self.make_daemon(cloud_nodes, arv_nodes, [testutil.MockSize(8)])
380 self.assertEqual(2, self.alive_monitor_count())
381 for mon_ref in self.monitor_list():
382 self.daemon.node_can_shutdown(mon_ref.proxy()).get(self.TIMEOUT)
383 self.assertEqual(1, self.node_shutdown.start.call_count)
385 def test_clean_shutdown_waits_for_node_setup_finish(self):
386 new_node = self.start_node_boot()
387 self.daemon.shutdown().get(self.TIMEOUT)
388 self.assertTrue(new_node.stop_if_no_cloud_node.called)
389 self.daemon.node_up(new_node).get(self.TIMEOUT)
390 self.assertTrue(new_node.stop.called)
393 self.daemon.actor_ref.actor_stopped.wait(self.TIMEOUT))
395 def test_wishlist_ignored_after_shutdown(self):
396 size = testutil.MockSize(2)
397 self.make_daemon(want_sizes=[size])
398 self.daemon.shutdown().get(self.TIMEOUT)
399 self.daemon.update_server_wishlist([size] * 2).get(self.TIMEOUT)
401 self.stop_proxy(self.daemon)
402 self.assertEqual(1, self.node_setup.start.call_count)