import unittest
import mock
+import pykka
+import arvnodeman.computenode as nmcnode
import arvnodeman.daemon as nmdaemon
from . import testutil
class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin,
unittest.TestCase):
- def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[]):
+ def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[],
+ 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().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.node_setup = mock.MagicMock(name='setup_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_nodes, max_nodes, 600, 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:
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(nmcnode.ComputeNodeMonitorActor)
+
+ def alive_monitor_count(self):
+ return sum(1 for actor in self.monitor_list() if actor.is_alive())
+
def test_easy_node_creation(self):
size = testutil.MockSize(1)
self.make_daemon(want_sizes=[size])
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(
+ self.assertEqual(1, self.alive_monitor_count())
+ self.assertIs(
+ self.monitor_list()[0].proxy().arvados_node.get(self.TIMEOUT),
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.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT)
- pair_func.assert_called_with(arv_node)
-
- pair_func().get.return_value = cloud_node.id
- pair_func.reset_mock()
+ 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.assertEqual(1, self.alive_monitor_count())
+ self.assertIs(
+ self.monitor_list()[0].proxy().arvados_node.get(self.TIMEOUT),
+ arv_node)
def test_old_arvados_node_not_double_assigned(self):
arv_node = testutil.arvados_node_mock(3, age=9000)
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_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 mock_setup_actor(self, cloud_node, arv_node):
+ setup = self.node_setup.start().proxy()
+ self.node_setup.reset_mock()
+ setup.actor_urn = cloud_node.id
+ setup.cloud_node.get.return_value = cloud_node
+ setup.arvados_node.get.return_value = arv_node
+ return setup
+
+ 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)
+ return self.mock_setup_actor(cloud_node, arv_node)
+
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.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.assertFalse(self.node_setup.start.called,
+ "daemon did not count booted node toward wishlist")
+
+ 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.node_factory.start.call_count)
+ 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.assertTrue(self.node_shutdown.start.called,
+ "daemon did not shut down booted node on offer")
+ 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_booting_nodes_shut_down(self):
self.make_daemon(want_sizes=[testutil.MockSize(1)])
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(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(node_actor.shutdown.called)
+ 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_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_clean_shutdown_waits_for_node_setup_finish(self):
- self.make_daemon(want_sizes=[testutil.MockSize(1)])
- self.daemon.max_nodes.get(self.TIMEOUT)
- self.assertTrue(self.node_setup.start.called)
- new_node = self.node_setup.start().proxy()
+ new_node = self.start_node_boot()
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)
projects / arvados.git / blobdiff