#!/usr/bin/env python from __future__ import absolute_import, print_function import time import unittest import arvados.errors as arverror import httplib2 import mock import pykka import arvnodeman.computenode as cnode from . import testutil class ComputeNodeSetupActorTestCase(testutil.ActorTestMixin, unittest.TestCase): def make_mocks(self, arvados_effect=None, cloud_effect=None): if arvados_effect is None: arvados_effect = [testutil.arvados_node_mock()] self.arvados_effect = arvados_effect self.timer = testutil.MockTimer() self.api_client = mock.MagicMock(name='api_client') self.api_client.nodes().create().execute.side_effect = arvados_effect self.api_client.nodes().update().execute.side_effect = arvados_effect self.cloud_client = mock.MagicMock(name='cloud_client') self.cloud_client.create_node.return_value = testutil.cloud_node_mock(1) def make_actor(self, arv_node=None): if not hasattr(self, 'timer'): self.make_mocks(arvados_effect=[arv_node]) self.setup_actor = cnode.ComputeNodeSetupActor.start( self.timer, self.api_client, self.cloud_client, testutil.MockSize(1), arv_node).proxy() def test_creation_without_arvados_node(self): self.make_actor() self.assertEqual(self.arvados_effect[-1], self.setup_actor.arvados_node.get(self.TIMEOUT)) self.assertTrue(self.api_client.nodes().create().execute.called) self.assertEqual(self.cloud_client.create_node(), self.setup_actor.cloud_node.get(self.TIMEOUT)) def test_creation_with_arvados_node(self): self.make_actor(testutil.arvados_node_mock()) self.assertEqual(self.arvados_effect[-1], self.setup_actor.arvados_node.get(self.TIMEOUT)) self.assertTrue(self.api_client.nodes().update().execute.called) self.assertEqual(self.cloud_client.create_node(), self.setup_actor.cloud_node.get(self.TIMEOUT)) def test_failed_calls_retried(self): self.make_mocks([ arverror.ApiError(httplib2.Response({'status': '500'}), ""), testutil.arvados_node_mock(), ]) self.make_actor() self.wait_for_assignment(self.setup_actor, 'cloud_node') def test_stop_when_no_cloud_node(self): self.make_mocks( arverror.ApiError(httplib2.Response({'status': '500'}), "")) self.make_actor() self.setup_actor.stop_if_no_cloud_node() self.assertTrue( self.setup_actor.actor_ref.actor_stopped.wait(self.TIMEOUT)) def test_no_stop_when_cloud_node(self): self.make_actor() self.wait_for_assignment(self.setup_actor, 'cloud_node') self.setup_actor.stop_if_no_cloud_node().get(self.TIMEOUT) self.assertTrue(self.stop_proxy(self.setup_actor), "actor was stopped by stop_if_no_cloud_node") def test_subscribe(self): self.make_mocks( arverror.ApiError(httplib2.Response({'status': '500'}), "")) self.make_actor() subscriber = mock.Mock(name='subscriber_mock') self.setup_actor.subscribe(subscriber) self.api_client.nodes().create().execute.side_effect = [ testutil.arvados_node_mock()] self.wait_for_assignment(self.setup_actor, 'cloud_node') self.assertEqual(self.setup_actor.actor_ref.actor_urn, subscriber.call_args[0][0].actor_ref.actor_urn) def test_late_subscribe(self): self.make_actor() subscriber = mock.Mock(name='subscriber_mock') self.wait_for_assignment(self.setup_actor, 'cloud_node') self.setup_actor.subscribe(subscriber).get(self.TIMEOUT) self.stop_proxy(self.setup_actor) self.assertEqual(self.setup_actor.actor_ref.actor_urn, subscriber.call_args[0][0].actor_ref.actor_urn) class ComputeNodeShutdownActorTestCase(testutil.ActorTestMixin, unittest.TestCase): def make_mocks(self, cloud_node=None): self.timer = testutil.MockTimer() self.cloud_client = mock.MagicMock(name='cloud_client') if cloud_node is None: cloud_node = testutil.cloud_node_mock() self.cloud_node = cloud_node def make_actor(self, arv_node=None): if not hasattr(self, 'timer'): self.make_mocks() self.shutdown_actor = cnode.ComputeNodeShutdownActor.start( self.timer, self.cloud_client, self.cloud_node).proxy() def test_easy_shutdown(self): self.make_actor() self.shutdown_actor.cloud_node.get(self.TIMEOUT) self.stop_proxy(self.shutdown_actor) self.assertTrue(self.cloud_client.destroy_node.called) def test_late_subscribe(self): self.make_actor() subscriber = mock.Mock(name='subscriber_mock') self.shutdown_actor.subscribe(subscriber).get(self.TIMEOUT) self.stop_proxy(self.shutdown_actor) self.assertEqual(self.shutdown_actor.actor_ref.actor_urn, subscriber.call_args[0][0].actor_ref.actor_urn) class ComputeNodeUpdateActorTestCase(testutil.ActorTestMixin, unittest.TestCase): def make_actor(self): self.driver = mock.MagicMock(name='driver_mock') self.updater = cnode.ComputeNodeUpdateActor.start(self.driver).proxy() def test_node_sync(self): self.make_actor() cloud_node = testutil.cloud_node_mock() arv_node = testutil.arvados_node_mock() self.updater.sync_node(cloud_node, arv_node).get(self.TIMEOUT) self.driver().sync_node.assert_called_with(cloud_node, arv_node) @mock.patch('time.time', return_value=1) class ShutdownTimerTestCase(unittest.TestCase): def test_two_length_window(self, time_mock): timer = cnode.ShutdownTimer(time_mock.return_value, [8, 2]) self.assertEqual(481, timer.next_opening()) self.assertFalse(timer.window_open()) time_mock.return_value += 500 self.assertEqual(1081, timer.next_opening()) self.assertTrue(timer.window_open()) time_mock.return_value += 200 self.assertEqual(1081, timer.next_opening()) self.assertFalse(timer.window_open()) def test_three_length_window(self, time_mock): timer = cnode.ShutdownTimer(time_mock.return_value, [6, 3, 1]) self.assertEqual(361, timer.next_opening()) self.assertFalse(timer.window_open()) time_mock.return_value += 400 self.assertEqual(961, timer.next_opening()) self.assertTrue(timer.window_open()) time_mock.return_value += 200 self.assertEqual(961, timer.next_opening()) self.assertFalse(timer.window_open()) class ComputeNodeMonitorActorTestCase(testutil.ActorTestMixin, unittest.TestCase): class MockShutdownTimer(object): def _set_state(self, is_open, next_opening): self.window_open = lambda: is_open self.next_opening = lambda: next_opening def make_mocks(self, node_num): self.shutdowns = self.MockShutdownTimer() self.shutdowns._set_state(False, 300) self.timer = mock.MagicMock(name='timer_mock') self.updates = mock.MagicMock(name='update_mock') self.cloud_mock = testutil.cloud_node_mock(node_num) self.subscriber = mock.Mock(name='subscriber_mock') def make_actor(self, node_num=1, arv_node=None, start_time=None): if not hasattr(self, 'cloud_mock'): self.make_mocks(node_num) if start_time is None: start_time = time.time() self.node_actor = cnode.ComputeNodeMonitorActor.start( self.cloud_mock, start_time, self.shutdowns, self.timer, self.updates, arv_node).proxy() self.node_actor.subscribe(self.subscriber).get(self.TIMEOUT) def node_state(self, *states): return self.node_actor.in_state(*states).get(self.TIMEOUT) def test_in_state_when_unpaired(self): self.make_actor() self.assertIsNone(self.node_state('idle', 'alloc')) def test_in_state_when_pairing_stale(self): self.make_actor(arv_node=testutil.arvados_node_mock( job_uuid=None, age=90000)) self.assertIsNone(self.node_state('idle', 'alloc')) def test_in_state_when_no_state_available(self): self.make_actor(arv_node=testutil.arvados_node_mock(info={})) self.assertIsNone(self.node_state('idle', 'alloc')) def test_in_idle_state(self): self.make_actor(2, arv_node=testutil.arvados_node_mock(job_uuid=None)) self.assertTrue(self.node_state('idle')) self.assertFalse(self.node_state('alloc')) self.assertTrue(self.node_state('idle', 'alloc')) def test_in_alloc_state(self): self.make_actor(3, arv_node=testutil.arvados_node_mock(job_uuid=True)) self.assertFalse(self.node_state('idle')) self.assertTrue(self.node_state('alloc')) self.assertTrue(self.node_state('idle', 'alloc')) def test_init_shutdown_scheduling(self): self.make_actor() self.assertTrue(self.timer.schedule.called) self.assertEqual(300, self.timer.schedule.call_args[0][0]) def test_shutdown_subscription(self): self.make_actor() self.shutdowns._set_state(True, 600) self.node_actor.consider_shutdown().get(self.TIMEOUT) self.assertTrue(self.subscriber.called) self.assertEqual(self.node_actor.actor_ref.actor_urn, self.subscriber.call_args[0][0].actor_ref.actor_urn) def test_shutdown_without_arvados_node(self): self.make_actor() self.shutdowns._set_state(True, 600) self.node_actor.consider_shutdown().get(self.TIMEOUT) self.assertTrue(self.subscriber.called) def test_no_shutdown_without_arvados_node_and_old_cloud_node(self): self.make_actor(start_time=0) self.shutdowns._set_state(True, 600) self.node_actor.consider_shutdown().get(self.TIMEOUT) self.assertFalse(self.subscriber.called) def check_shutdown_rescheduled(self, window_open, next_window, schedule_time=None): self.shutdowns._set_state(window_open, next_window) self.timer.schedule.reset_mock() self.node_actor.consider_shutdown().get(self.TIMEOUT) self.stop_proxy(self.node_actor) self.assertTrue(self.timer.schedule.called) if schedule_time is not None: self.assertEqual(schedule_time, self.timer.schedule.call_args[0][0]) self.assertFalse(self.subscriber.called) def test_shutdown_window_close_scheduling(self): self.make_actor() self.check_shutdown_rescheduled(False, 600, 600) def test_no_shutdown_when_node_running_job(self): self.make_actor(4, testutil.arvados_node_mock(4, job_uuid=True)) self.check_shutdown_rescheduled(True, 600) def test_no_shutdown_when_node_state_unknown(self): self.make_actor(5, testutil.arvados_node_mock(5, info={})) self.check_shutdown_rescheduled(True, 600) def test_no_shutdown_when_node_state_stale(self): self.make_actor(6, testutil.arvados_node_mock(6, age=90000)) self.check_shutdown_rescheduled(True, 600) def test_arvados_node_match(self): self.make_actor(2) arv_node = testutil.arvados_node_mock( 2, hostname='compute-two.zzzzz.arvadosapi.com') pair_id = self.node_actor.offer_arvados_pair(arv_node).get(self.TIMEOUT) self.assertEqual(self.cloud_mock.id, pair_id) self.stop_proxy(self.node_actor) self.updates.sync_node.assert_called_with(self.cloud_mock, arv_node) def test_arvados_node_mismatch(self): self.make_actor(3) arv_node = testutil.arvados_node_mock(1) self.assertIsNone( self.node_actor.offer_arvados_pair(arv_node).get(self.TIMEOUT)) def test_update_cloud_node(self): self.make_actor(1) self.make_mocks(2) self.cloud_mock.id = '1' self.node_actor.update_cloud_node(self.cloud_mock) current_cloud = self.node_actor.cloud_node.get(self.TIMEOUT) self.assertEqual([testutil.ip_address_mock(2)], current_cloud.private_ips) def test_missing_cloud_node_update(self): self.make_actor(1) self.node_actor.update_cloud_node(None) current_cloud = self.node_actor.cloud_node.get(self.TIMEOUT) self.assertEqual([testutil.ip_address_mock(1)], current_cloud.private_ips) def test_update_arvados_node(self): self.make_actor(3) job_uuid = 'zzzzz-jjjjj-updatejobnode00' new_arvados = testutil.arvados_node_mock(3, job_uuid) self.node_actor.update_arvados_node(new_arvados) current_arvados = self.node_actor.arvados_node.get(self.TIMEOUT) self.assertEqual(job_uuid, current_arvados['job_uuid']) def test_missing_arvados_node_update(self): self.make_actor(4, testutil.arvados_node_mock(4)) self.node_actor.update_arvados_node(None) current_arvados = self.node_actor.arvados_node.get(self.TIMEOUT) self.assertEqual(testutil.ip_address_mock(4), current_arvados['ip_address'])