X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b7f67c80916c2efa0c234ab5f4e92c24d47223c5..f69d2824c997c53caa11d30ba816768bad52e12b:/services/nodemanager/tests/test_daemon.py diff --git a/services/nodemanager/tests/test_daemon.py b/services/nodemanager/tests/test_daemon.py index 0a63222afc..228b552115 100644 --- a/services/nodemanager/tests/test_daemon.py +++ b/services/nodemanager/tests/test_daemon.py @@ -6,29 +6,39 @@ import time import unittest import mock +import pykka import arvnodeman.daemon as nmdaemon +from arvnodeman.computenode.dispatch import ComputeNodeMonitorActor from . import testutil class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin, unittest.TestCase): - def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[]): + def new_setup_proxy(self): + # Make sure that every time the daemon starts a setup actor, + # it gets a new mock object back. + self.last_setup = mock.MagicMock(name='setup_proxy_mock') + return self.last_setup + + def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[], + min_size=testutil.MockSize(1), min_nodes=0, max_nodes=8): for name in ['cloud_nodes', 'arvados_nodes', 'server_wishlist']: setattr(self, name + '_poller', mock.MagicMock(name=name + '_mock')) self.arv_factory = mock.MagicMock(name='arvados_mock') self.cloud_factory = mock.MagicMock(name='cloud_mock') self.cloud_factory().node_start_time.return_value = time.time() self.cloud_updates = mock.MagicMock(name='updates_mock') - self.timer = testutil.MockTimer() - self.node_factory = mock.MagicMock(name='factory_mock') + self.timer = testutil.MockTimer(deliver_immediately=False) self.node_setup = mock.MagicMock(name='setup_mock') + self.node_setup.start().proxy.side_effect = self.new_setup_proxy + self.node_setup.reset_mock() self.node_shutdown = mock.MagicMock(name='shutdown_mock') self.daemon = nmdaemon.NodeManagerDaemonActor.start( self.server_wishlist_poller, self.arvados_nodes_poller, self.cloud_nodes_poller, self.cloud_updates, self.timer, self.arv_factory, self.cloud_factory, - [54, 5, 1], 8, 600, 3600, - self.node_setup, self.node_shutdown, self.node_factory).proxy() + [54, 5, 1], min_size, min_nodes, max_nodes, 600, 1800, 3600, + self.node_setup, self.node_shutdown).proxy() if cloud_nodes is not None: self.daemon.update_cloud_nodes(cloud_nodes).get(self.TIMEOUT) if arvados_nodes is not None: @@ -36,45 +46,71 @@ class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin, if want_sizes is not None: self.daemon.update_server_wishlist(want_sizes).get(self.TIMEOUT) + def monitor_list(self): + return pykka.ActorRegistry.get_by_class(ComputeNodeMonitorActor) + + def monitored_arvados_nodes(self): + pairings = [] + for future in [actor.proxy().arvados_node + for actor in self.monitor_list()]: + try: + pairings.append(future.get(self.TIMEOUT)) + except pykka.ActorDeadError: + pass + return pairings + + def alive_monitor_count(self): + return len(self.monitored_arvados_nodes()) + + def assertShutdownCancellable(self, expected=True): + self.assertTrue(self.node_shutdown.start.called) + self.assertIs(expected, + self.node_shutdown.start.call_args[1]['cancellable'], + "ComputeNodeShutdownActor incorrectly cancellable") + def test_easy_node_creation(self): size = testutil.MockSize(1) self.make_daemon(want_sizes=[size]) self.stop_proxy(self.daemon) self.assertTrue(self.node_setup.start.called) + def check_monitors_arvados_nodes(self, *arv_nodes): + self.assertItemsEqual(arv_nodes, self.monitored_arvados_nodes()) + def test_node_pairing(self): cloud_node = testutil.cloud_node_mock(1) arv_node = testutil.arvados_node_mock(1) self.make_daemon([cloud_node], [arv_node]) self.stop_proxy(self.daemon) - self.node_factory.start().proxy().offer_arvados_pair.assert_called_with( - arv_node) + self.check_monitors_arvados_nodes(arv_node) def test_node_pairing_after_arvados_update(self): cloud_node = testutil.cloud_node_mock(2) - arv_node = testutil.arvados_node_mock(2, ip_address=None) - self.make_daemon([cloud_node], None) - pair_func = self.node_factory.start().proxy().offer_arvados_pair - pair_func().get.return_value = None + self.make_daemon([cloud_node], + [testutil.arvados_node_mock(2, ip_address=None)]) + arv_node = testutil.arvados_node_mock(2) self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT) - pair_func.assert_called_with(arv_node) + self.stop_proxy(self.daemon) + self.check_monitors_arvados_nodes(arv_node) - pair_func().get.return_value = cloud_node.id - pair_func.reset_mock() - arv_node = testutil.arvados_node_mock(2) + def test_arvados_node_un_and_re_paired(self): + # We need to create the Arvados node mock after spinning up the daemon + # to make sure it's new enough to pair with the cloud node. + self.make_daemon([testutil.cloud_node_mock(3)], arvados_nodes=None) + arv_node = testutil.arvados_node_mock(3) self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT) - pair_func.assert_called_with(arv_node) + self.check_monitors_arvados_nodes(arv_node) + self.daemon.update_cloud_nodes([]).get(self.TIMEOUT) + self.assertEqual(0, self.alive_monitor_count()) + self.daemon.update_cloud_nodes([testutil.cloud_node_mock(3)]) + self.stop_proxy(self.daemon) + self.check_monitors_arvados_nodes(arv_node) def test_old_arvados_node_not_double_assigned(self): arv_node = testutil.arvados_node_mock(3, age=9000) size = testutil.MockSize(3) self.make_daemon(arvados_nodes=[arv_node]) - setup_ref = self.node_setup.start().proxy().actor_ref - setup_ref.actor_urn = 0 - self.node_setup.start.reset_mock() self.daemon.update_server_wishlist([size]).get(self.TIMEOUT) - self.daemon.max_nodes.get(self.TIMEOUT) - setup_ref.actor_urn += 1 self.daemon.update_server_wishlist([size, size]).get(self.TIMEOUT) self.stop_proxy(self.daemon) used_nodes = [call[1].get('arvados_node') @@ -100,62 +136,289 @@ class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin, self.stop_proxy(self.daemon) self.assertEqual(1, self.node_setup.start.call_count) + def test_boot_new_node_when_all_nodes_busy(self): + arv_node = testutil.arvados_node_mock(2, job_uuid=True) + self.make_daemon([testutil.cloud_node_mock(2)], [arv_node], + [testutil.MockSize(2)]) + self.stop_proxy(self.daemon) + self.assertTrue(self.node_setup.start.called) + + def test_boot_new_node_below_min_nodes(self): + min_size = testutil.MockSize(1) + wish_size = testutil.MockSize(3) + self.make_daemon([], [], None, min_size=min_size, min_nodes=2) + self.daemon.update_server_wishlist([wish_size]).get(self.TIMEOUT) + self.daemon.update_cloud_nodes([]).get(self.TIMEOUT) + self.daemon.update_server_wishlist([wish_size]).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertEqual([wish_size, min_size], + [call[1].get('cloud_size') + for call in self.node_setup.start.call_args_list]) + + def test_no_new_node_when_ge_min_nodes_busy(self): + cloud_nodes = [testutil.cloud_node_mock(n) for n in range(1, 4)] + arv_nodes = [testutil.arvados_node_mock(n, job_uuid=True) + for n in range(1, 4)] + self.make_daemon(cloud_nodes, arv_nodes, [], min_nodes=2) + self.stop_proxy(self.daemon) + self.assertEqual(0, self.node_setup.start.call_count) + + def test_no_new_node_when_max_nodes_busy(self): + self.make_daemon([testutil.cloud_node_mock(3)], + [testutil.arvados_node_mock(3, job_uuid=True)], + [testutil.MockSize(3)], + max_nodes=1) + self.stop_proxy(self.daemon) + self.assertFalse(self.node_setup.start.called) + + def start_node_boot(self, cloud_node=None, arv_node=None, id_num=1): + if cloud_node is None: + cloud_node = testutil.cloud_node_mock(id_num) + if arv_node is None: + arv_node = testutil.arvados_node_mock(id_num) + self.make_daemon(want_sizes=[testutil.MockSize(id_num)]) + self.daemon.max_nodes.get(self.TIMEOUT) + self.assertEqual(1, self.node_setup.start.call_count) + self.last_setup.cloud_node.get.return_value = cloud_node + self.last_setup.arvados_node.get.return_value = arv_node + return self.last_setup + def test_no_duplication_when_booting_node_listed_fast(self): # Test that we don't start two ComputeNodeMonitorActors when # we learn about a booting node through a listing before we # get the "node up" message from CloudNodeSetupActor. cloud_node = testutil.cloud_node_mock(1) - self.make_daemon(want_sizes=[testutil.MockSize(1)]) - self.daemon.max_nodes.get(self.TIMEOUT) - self.assertEqual(1, self.node_setup.start.call_count) - setup = mock.MagicMock(name='setup_node_mock') - setup.actor_ref = self.node_setup.start().proxy().actor_ref - setup.cloud_node.get.return_value = cloud_node - setup.arvados_node.get.return_value = testutil.arvados_node_mock(1) + setup = self.start_node_boot(cloud_node) + self.daemon.update_cloud_nodes([cloud_node]) + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + + def test_no_duplication_when_booted_node_listed(self): + cloud_node = testutil.cloud_node_mock(2) + setup = self.start_node_boot(cloud_node, id_num=2) + self.daemon.node_up(setup) self.daemon.update_cloud_nodes([cloud_node]).get(self.TIMEOUT) - self.assertTrue(self.node_factory.start.called) + self.assertEqual(1, self.alive_monitor_count()) + + def test_node_counted_after_boot_with_slow_listing(self): + # Test that, after we boot a compute node, we assume it exists + # even it doesn't appear in the listing (e.g., because of delays + # propagating tags). + setup = self.start_node_boot() self.daemon.node_up(setup).get(self.TIMEOUT) - self.assertEqual(1, self.node_factory.start.call_count) + self.assertEqual(1, self.alive_monitor_count()) + self.daemon.update_cloud_nodes([]).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + + def test_booted_unlisted_node_counted(self): + setup = self.start_node_boot(id_num=1) + self.daemon.node_up(setup) + self.daemon.update_server_wishlist( + [testutil.MockSize(1)]).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertEqual(1, self.node_setup.start.call_count) + + def test_booted_node_can_shutdown(self): + setup = self.start_node_boot() + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.update_server_wishlist([]) + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertTrue(self.node_shutdown.start.called, + "daemon did not shut down booted node on offer") + + def test_booted_node_lifecycle(self): + cloud_node = testutil.cloud_node_mock(6) + setup = self.start_node_boot(cloud_node, id_num=6) + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.update_server_wishlist([]) + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.assertShutdownCancellable(True) + shutdown = self.node_shutdown.start().proxy() + shutdown.cloud_node.get.return_value = cloud_node + self.daemon.node_finished_shutdown(shutdown).get(self.TIMEOUT) + self.assertTrue(shutdown.stop.called, + "shutdown actor not stopped after finishing") + self.assertTrue(monitor.actor_ref.actor_stopped.wait(self.TIMEOUT), + "monitor for booted node not stopped after shutdown") + self.daemon.update_server_wishlist( + [testutil.MockSize(2)]).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertTrue(self.node_setup.start.called, + "second node not started after booted node stopped") + + def test_booted_node_shut_down_when_never_listed(self): + setup = self.start_node_boot() + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + self.assertFalse(self.node_shutdown.start.called) + self.timer.deliver() + self.stop_proxy(self.daemon) + self.assertShutdownCancellable(False) + + def test_booted_node_shut_down_when_never_paired(self): + cloud_node = testutil.cloud_node_mock(2) + setup = self.start_node_boot(cloud_node) + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + self.daemon.update_cloud_nodes([cloud_node]) + self.timer.deliver() + self.stop_proxy(self.daemon) + self.assertShutdownCancellable(False) + + def test_node_that_pairs_not_considered_failed_boot(self): + cloud_node = testutil.cloud_node_mock(3) + arv_node = testutil.arvados_node_mock(3) + setup = self.start_node_boot(cloud_node, arv_node) + self.daemon.node_up(setup).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + self.daemon.update_cloud_nodes([cloud_node]) + self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT) + self.timer.deliver() + self.stop_proxy(self.daemon) + self.assertFalse(self.node_shutdown.start.called) def test_booting_nodes_shut_down(self): self.make_daemon(want_sizes=[testutil.MockSize(1)]) self.daemon.update_server_wishlist([]).get(self.TIMEOUT) self.stop_proxy(self.daemon) - self.assertTrue( - self.node_setup.start().proxy().stop_if_no_cloud_node.called) + self.assertTrue(self.last_setup.stop_if_no_cloud_node.called) + + def test_all_booting_nodes_tried_to_shut_down(self): + size = testutil.MockSize(2) + self.make_daemon(want_sizes=[size]) + self.daemon.max_nodes.get(self.TIMEOUT) + setup1 = self.last_setup + setup1.stop_if_no_cloud_node().get.return_value = False + setup1.stop_if_no_cloud_node.reset_mock() + self.daemon.update_server_wishlist([size, size]).get(self.TIMEOUT) + self.daemon.max_nodes.get(self.TIMEOUT) + self.assertIsNot(setup1, self.last_setup) + self.last_setup.stop_if_no_cloud_node().get.return_value = True + self.last_setup.stop_if_no_cloud_node.reset_mock() + self.daemon.update_server_wishlist([]).get(self.TIMEOUT) + self.daemon.max_nodes.get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertEqual(1, self.last_setup.stop_if_no_cloud_node.call_count) + self.assertTrue(setup1.stop_if_no_cloud_node.called) def test_shutdown_declined_at_wishlist_capacity(self): cloud_node = testutil.cloud_node_mock(1) size = testutil.MockSize(1) self.make_daemon(cloud_nodes=[cloud_node], want_sizes=[size]) - node_actor = self.node_factory().proxy() - self.daemon.node_can_shutdown(node_actor).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) self.stop_proxy(self.daemon) - self.assertFalse(node_actor.shutdown.called) + self.assertFalse(self.node_shutdown.start.called) + + def test_shutdown_declined_below_min_nodes(self): + cloud_node = testutil.cloud_node_mock(1) + self.make_daemon(cloud_nodes=[cloud_node], min_nodes=1) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertFalse(self.node_shutdown.start.called) def test_shutdown_accepted_below_capacity(self): self.make_daemon(cloud_nodes=[testutil.cloud_node_mock()]) - node_actor = self.node_factory().proxy() - self.daemon.node_can_shutdown(node_actor).get(self.TIMEOUT) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) self.stop_proxy(self.daemon) self.assertTrue(self.node_shutdown.start.called) - def test_clean_shutdown_waits_for_node_setup_finish(self): - self.make_daemon(want_sizes=[testutil.MockSize(1)]) - self.daemon.max_nodes.get(self.TIMEOUT) + def test_shutdown_declined_when_idle_and_job_queued(self): + cloud_nodes = [testutil.cloud_node_mock(n) for n in [3, 4]] + arv_nodes = [testutil.arvados_node_mock(3, job_uuid=True), + testutil.arvados_node_mock(4, job_uuid=None)] + self.make_daemon(cloud_nodes, arv_nodes, [testutil.MockSize(1)]) + self.assertEqual(2, self.alive_monitor_count()) + for mon_ref in self.monitor_list(): + monitor = mon_ref.proxy() + if monitor.cloud_node.get(self.TIMEOUT) is cloud_nodes[-1]: + break + else: + self.fail("monitor for idle node not found") + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertFalse(self.node_shutdown.start.called) + + def test_node_shutdown_after_cancelled_shutdown(self): + cloud_node = testutil.cloud_node_mock(5) + self.make_daemon([cloud_node], [testutil.arvados_node_mock(5)]) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + shutdown_proxy = self.node_shutdown.start().proxy + shutdown_proxy().cloud_node.get.return_value = cloud_node + shutdown_proxy().success.get.return_value = False + shutdown_proxy.reset_mock() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.assertTrue(shutdown_proxy.called) + self.daemon.node_finished_shutdown(shutdown_proxy()).get(self.TIMEOUT) + shutdown_proxy().success.get.return_value = True + shutdown_proxy.reset_mock() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.assertTrue(shutdown_proxy.called) + + def test_nodes_shutting_down_replaced_below_max_nodes(self): + cloud_node = testutil.cloud_node_mock(6) + self.make_daemon([cloud_node], [testutil.arvados_node_mock(6)]) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.assertTrue(self.node_shutdown.start.called) + self.daemon.update_server_wishlist( + [testutil.MockSize(6)]).get(self.TIMEOUT) + self.stop_proxy(self.daemon) self.assertTrue(self.node_setup.start.called) - new_node = self.node_setup.start().proxy() + + def test_nodes_shutting_down_not_replaced_at_max_nodes(self): + cloud_node = testutil.cloud_node_mock(7) + self.make_daemon([cloud_node], [testutil.arvados_node_mock(7)], + max_nodes=1) + self.assertEqual(1, self.alive_monitor_count()) + monitor = self.monitor_list()[0].proxy() + self.daemon.node_can_shutdown(monitor).get(self.TIMEOUT) + self.assertTrue(self.node_shutdown.start.called) + self.daemon.update_server_wishlist( + [testutil.MockSize(7)]).get(self.TIMEOUT) + self.stop_proxy(self.daemon) + self.assertFalse(self.node_setup.start.called) + + def test_nodes_shutting_down_count_against_excess(self): + cloud_nodes = [testutil.cloud_node_mock(n) for n in [8, 9]] + arv_nodes = [testutil.arvados_node_mock(n) for n in [8, 9]] + self.make_daemon(cloud_nodes, arv_nodes, [testutil.MockSize(8)]) + self.assertEqual(2, self.alive_monitor_count()) + for mon_ref in self.monitor_list(): + self.daemon.node_can_shutdown(mon_ref.proxy()).get(self.TIMEOUT) + self.assertEqual(1, self.node_shutdown.start.call_count) + + def test_clean_shutdown_waits_for_node_setup_finish(self): + new_node = self.start_node_boot() + new_node.stop_if_no_cloud_node().get.return_value = False + new_node.stop_if_no_cloud_node.reset_mock() self.daemon.shutdown().get(self.TIMEOUT) self.assertTrue(new_node.stop_if_no_cloud_node.called) self.daemon.node_up(new_node).get(self.TIMEOUT) self.assertTrue(new_node.stop.called) + self.timer.deliver() self.assertTrue( self.daemon.actor_ref.actor_stopped.wait(self.TIMEOUT)) def test_wishlist_ignored_after_shutdown(self): - size = testutil.MockSize(2) - self.make_daemon(want_sizes=[size]) + new_node = self.start_node_boot() + new_node.stop_if_no_cloud_node().get.return_value = False + new_node.stop_if_no_cloud_node.reset_mock() self.daemon.shutdown().get(self.TIMEOUT) + size = testutil.MockSize(2) self.daemon.update_server_wishlist([size] * 2).get(self.TIMEOUT) + self.timer.deliver() self.stop_proxy(self.daemon) self.assertEqual(1, self.node_setup.start.call_count)