#!/usr/bin/env python from __future__ import absolute_import, print_function import time import unittest import mock import arvnodeman.daemon as nmdaemon from . import testutil class NodeManagerDaemonActorTestCase(testutil.ActorTestMixin, unittest.TestCase): def make_daemon(self, cloud_nodes=[], arvados_nodes=[], want_sizes=[]): 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.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() if cloud_nodes is not None: self.daemon.update_cloud_nodes(cloud_nodes) if arvados_nodes is not None: self.daemon.update_arvados_nodes(arvados_nodes) if want_sizes is not None: self.daemon.update_server_wishlist(want_sizes) def test_easy_node_creation(self): size = testutil.MockSize(1) self.make_daemon(want_sizes=[size]) self.wait_for_call(self.node_setup.start) 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.wait_for_call(self.node_factory.start) pair_func = self.node_factory.start().proxy().offer_arvados_pair self.wait_for_call(pair_func) pair_func.assert_called_with(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() arv_node = testutil.arvados_node_mock(2) self.daemon.update_arvados_nodes([arv_node]).get(self.TIMEOUT) pair_func.assert_called_with(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], want_sizes=[size, size]) node_starter = self.node_setup.start deadline = time.time() + self.TIMEOUT while (time.time() < deadline) and (node_starter.call_count < 2): time.sleep(.1) self.assertEqual(2, node_starter.call_count) used_nodes = [call[1].get('arvados_node') for call in node_starter.call_args_list] self.assertIn(arv_node, used_nodes) self.assertIn(None, used_nodes) def test_node_count_satisfied(self): self.make_daemon([testutil.cloud_node_mock()]) self.daemon.update_server_wishlist( [testutil.MockSize(1)]).get(self.TIMEOUT) self.assertFalse(self.node_setup.called) def test_booting_nodes_counted(self): cloud_node = testutil.cloud_node_mock(1) arv_node = testutil.arvados_node_mock(1) server_wishlist = [testutil.MockSize(1)] * 2 self.make_daemon([cloud_node], [arv_node], server_wishlist) self.wait_for_call(self.node_setup.start) self.node_setup.reset_mock() self.daemon.update_server_wishlist(server_wishlist).get(self.TIMEOUT) self.assertFalse(self.node_setup.called) 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.wait_for_call(self.node_setup.start) 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) self.daemon.update_cloud_nodes([cloud_node]) self.wait_for_call(self.node_factory.start) self.node_factory.reset_mock() self.daemon.node_up(setup).get(self.TIMEOUT) self.assertFalse(self.node_factory.start.called) def test_booting_nodes_shut_down(self): self.make_daemon(want_sizes=[testutil.MockSize(1)]) self.wait_for_call(self.node_setup.start) self.daemon.update_server_wishlist([]) self.wait_for_call( self.node_setup.start().proxy().stop_if_no_cloud_node) 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.assertFalse(node_actor.shutdown.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) self.wait_for_call(self.node_shutdown.start) def test_clean_shutdown_waits_for_node_setup_finish(self): self.make_daemon(want_sizes=[testutil.MockSize(1)]) self.wait_for_call(self.node_setup.start) new_node = self.node_setup.start().proxy() self.daemon.shutdown() self.wait_for_call(new_node.stop_if_no_cloud_node) self.daemon.node_up(new_node) self.wait_for_call(new_node.stop) 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]) node_starter = self.node_setup.start self.wait_for_call(node_starter) node_starter.reset_mock() self.daemon.shutdown() self.daemon.update_server_wishlist([size] * 2).get(self.TIMEOUT) # Send another message and wait for a response, to make sure all # internal messages generated by the wishlist update are processed. self.daemon.update_server_wishlist([size] * 2).get(self.TIMEOUT) self.assertFalse(node_starter.called)