#!/usr/bin/env python # -*- coding: utf-8 -*- ''' Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ''' import StringIO import ssl import unittest, threading import sys from mock.mock import patch, MagicMock, call, Mock import logging import platform from threading import Event import json with patch("platform.linux_distribution", return_value = ('Suse','11','Final')): from ambari_agent import Controller, ActionQueue from ambari_agent import hostname from ambari_agent.Controller import AGENT_AUTO_RESTART_EXIT_CODE from ambari_commons import OSCheck @patch.object(platform, "linux_distribution", new = ('Suse','11','Final')) class TestController(unittest.TestCase): logger = logging.getLogger() @patch("threading.Thread") @patch("threading.Lock") @patch.object(Controller, "NetUtil") @patch.object(hostname, "hostname") def setUp(self, hostname_method, NetUtil_mock, lockMock, threadMock): Controller.logger = MagicMock() lockMock.return_value = MagicMock() NetUtil_mock.return_value = MagicMock() hostname_method.return_value = "test_hostname" config = MagicMock() config.get.return_value = "something" self.controller = Controller.Controller(config) self.controller.netutil.MINIMUM_INTERVAL_BETWEEN_HEARTBEATS = 0.1 self.controller.netutil.HEARTBEAT_NOT_IDDLE_INTERVAL_SEC = 0.1 @patch("json.dumps") @patch("time.sleep") @patch("pprint.pformat") @patch.object(Controller, "randint") @patch.object(Controller, "LiveStatus") def test_registerWithServer(self, LiveStatus_mock, randintMock, pformatMock, sleepMock, dumpsMock): out = StringIO.StringIO() sys.stdout = out LiveStatus_mock.SERVICES = ["foo"] LiveStatus_mock.CLIENT_COMPONENTS = ["foo"] LiveStatus_mock.COMPONENTS = ["foo"] register = MagicMock() self.controller.register = register self.controller.sendRequest = MagicMock() dumpsMock.return_value = '{"valid_object": true}' self.controller.sendRequest.return_value = {"log":"Error text", "exitstatus":"1"} self.assertEqual({u'exitstatus': u'1', u'log': u'Error text'}, self.controller.registerWithServer()) self.assertEqual(LiveStatus_mock.SERVICES, []) self.assertEqual(LiveStatus_mock.CLIENT_COMPONENTS, []) self.assertEqual(LiveStatus_mock.COMPONENTS, []) self.controller.sendRequest.return_value = {"responseId":1} self.assertEqual({"responseId":1}, self.controller.registerWithServer()) self.controller.sendRequest.return_value = {"responseId":1, "statusCommands": "commands", "log":"", "exitstatus":"0"} self.controller.addToStatusQueue = MagicMock(name="addToStatusQueue") self.controller.isRegistered = False self.assertEqual({'exitstatus': '0', 'responseId': 1, 'log': '', 'statusCommands': 'commands'}, self.controller.registerWithServer()) self.controller.addToStatusQueue.assert_called_with("commands") calls = [] def side_effect(*args): if len(calls) == 0: calls.append(1) raise Exception("test") return "request" self.controller.sendRequest.return_value = {"responseId":1} dumpsMock.side_effect = side_effect self.controller.isRegistered = False self.assertEqual({"responseId":1}, self.controller.registerWithServer()) self.assertTrue(randintMock.called) self.assertTrue(sleepMock.called) sys.stdout = sys.__stdout__ self.controller.sendRequest = Controller.Controller.sendRequest self.controller.addToStatusQueue = Controller.Controller.addToStatusQueue @patch("pprint.pformat") def test_addToQueue(self, pformatMock): actionQueue = MagicMock() self.controller.actionQueue = actionQueue self.controller.addToQueue(None) self.assertFalse(actionQueue.put.called) self.controller.addToQueue("cmd") self.assertTrue(actionQueue.put.called) @patch("pprint.pformat") @patch.object(Controller, "LiveStatus") def test_addToStatusQueue(self, LiveStatus_mock, pformatMock): LiveStatus_mock.SERVICES = ["foo"] LiveStatus_mock.CLIENT_COMPONENTS = ["foo"] LiveStatus_mock.COMPONENTS = ["foo"] commands = json.loads('[{"clusterName":"dummy_cluster"}]') actionQueue = MagicMock() self.controller.actionQueue = actionQueue updateComponents = Mock() self.controller.updateComponents = updateComponents self.controller.addToStatusQueue(None) self.assertFalse(actionQueue.put_status.called) self.assertFalse(updateComponents.called) self.controller.addToStatusQueue(commands) self.assertTrue(actionQueue.put_status.called) self.assertFalse(updateComponents.called) LiveStatus_mock.SERVICES = [] LiveStatus_mock.CLIENT_COMPONENTS = [] LiveStatus_mock.COMPONENTS = [] self.controller.addToStatusQueue(commands) self.assertTrue(updateComponents.called) self.assertTrue(actionQueue.put_status.called) @patch("urllib2.build_opener") @patch("urllib2.install_opener") @patch.object(Controller, "ActionQueue") @patch.object(OSCheck, "get_os_type") @patch.object(OSCheck, "get_os_version") def test_run(self, get_os_version_mock, get_os_type_mock, ActionQueue_mock, installMock, buildMock): aq = MagicMock() ActionQueue_mock.return_value = aq get_os_type_mock.return_value = "suse" get_os_version_mock.return_value = "11" buildMock.return_value = "opener" registerAndHeartbeat = MagicMock("registerAndHeartbeat") calls = [] def side_effect(): if len(calls) == 0: self.controller.repeatRegistration = True calls.append(1) registerAndHeartbeat.side_effect = side_effect self.controller.registerAndHeartbeat = registerAndHeartbeat # repeat registration self.controller.run() self.assertTrue(buildMock.called) installMock.called_once_with("opener") self.assertEqual(2, registerAndHeartbeat.call_count) # one call, +1 registerAndHeartbeat.side_effect = None self.controller.run() self.assertEqual(3, registerAndHeartbeat.call_count) # Action queue should be started during calls self.assertTrue(ActionQueue_mock.called) self.assertTrue(aq.start.called) @patch("urllib2.build_opener") @patch("urllib2.install_opener") @patch.object(ActionQueue.ActionQueue, "run") @patch.object(OSCheck, "get_os_type") @patch.object(OSCheck, "get_os_version") def test_repeatRegistration(self, get_os_version_mock, get_os_type_mock, run_mock, installMock, buildMock): registerAndHeartbeat = MagicMock(name="registerAndHeartbeat") get_os_type_mock.return_value = "suse" get_os_version_mock.return_value = "11" self.controller.registerAndHeartbeat = registerAndHeartbeat self.controller.run() self.assertTrue(installMock.called) self.assertTrue(buildMock.called) self.controller.registerAndHeartbeat.assert_called_once_with() calls = [] def switchBool(): if len(calls) == 0: self.controller.repeatRegistration = True calls.append(1) self.controller.repeatRegistration = False registerAndHeartbeat.side_effect = switchBool self.controller.run() self.assertEqual(2, registerAndHeartbeat.call_count) self.controller.registerAndHeartbeat = \ Controller.Controller.registerAndHeartbeat @patch("time.sleep") def test_registerAndHeartbeatWithException(self, sleepMock): registerWithServer = MagicMock(name="registerWithServer") registerWithServer.return_value = {"response":"resp"} self.controller.registerWithServer = registerWithServer heartbeatWithServer = MagicMock(name="heartbeatWithServer") self.controller.heartbeatWithServer = heartbeatWithServer Controller.Controller.__sendRequest__ = MagicMock(side_effect=Exception()) self.controller.isRegistered = True self.controller.registerAndHeartbeat() registerWithServer.assert_called_once_with() heartbeatWithServer.assert_called_once_with() self.controller.registerWithServer =\ Controller.Controller.registerWithServer self.controller.heartbeatWithServer =\ Controller.Controller.registerWithServer @patch("time.sleep") def test_registerAndHeartbeat(self, sleepMock): registerWithServer = MagicMock(name="registerWithServer") registerWithServer.return_value = {"response":"resp"} self.controller.registerWithServer = registerWithServer heartbeatWithServer = MagicMock(name="heartbeatWithServer") self.controller.heartbeatWithServer = heartbeatWithServer listener1 = MagicMock() listener2 = MagicMock() self.controller.registration_listeners.append(listener1) self.controller.registration_listeners.append(listener2) self.controller.isRegistered = True self.controller.registerAndHeartbeat() registerWithServer.assert_called_once_with() heartbeatWithServer.assert_called_once_with() self.assertTrue(listener1.called) self.assertTrue(listener2.called) self.controller.registerWithServer = \ Controller.Controller.registerWithServer self.controller.heartbeatWithServer = \ Controller.Controller.registerWithServer @patch("time.sleep") def test_registerAndHeartbeat_check_registration_listener(self, sleepMock): registerWithServer = MagicMock(name="registerWithServer") registerWithServer.return_value = {"response":"resp"} self.controller.registerWithServer = registerWithServer heartbeatWithServer = MagicMock(name="heartbeatWithServer") self.controller.heartbeatWithServer = heartbeatWithServer self.controller.isRegistered = True self.controller.registerAndHeartbeat() registerWithServer.assert_called_once_with() heartbeatWithServer.assert_called_once_with() self.controller.registerWithServer = \ Controller.Controller.registerWithServer self.controller.heartbeatWithServer = \ Controller.Controller.registerWithServer @patch("os._exit") def test_restartAgent(self, os_exit_mock): self.controller.restartAgent() self.assertTrue(os_exit_mock.called) self.assertTrue(os_exit_mock.call_args[0][0] == AGENT_AUTO_RESTART_EXIT_CODE) @patch("urllib2.Request") @patch.object(Controller, "security") def test_sendRequest(self, security_mock, requestMock): conMock = MagicMock() security_mock.CachedHTTPSConnection.return_value = conMock url = "url" data = "data" requestMock.return_value = "request" self.controller.cachedconnect = None conMock.request.return_value = '{"valid_object": true}' actual = self.controller.sendRequest(url, data) expected = json.loads('{"valid_object": true}') self.assertEqual(actual, expected) security_mock.CachedHTTPSConnection.assert_called_once_with( self.controller.config) requestMock.called_once_with(url, data, {'Content-Type': 'application/json'}) conMock.request.return_value = '{invalid_object}' actual = self.controller.sendRequest(url, data) expected = {'exitstatus': 1, 'log': ('Response parsing failed! Request data: ' + data + '; Response: {invalid_object}')} self.assertEqual(actual, expected) conMock.request.side_effect = Exception() actual = self.controller.sendRequest(url, data) expected = {'exitstatus': 1, 'log': 'Request failed! Data: ' + data} self.assertEqual(actual, expected) @patch.object(threading._Event, "wait") @patch("time.sleep") @patch("json.dumps") def test_heartbeatWithServer(self, dumpsMock, sleepMock, event_mock): out = StringIO.StringIO() sys.stdout = out hearbeat = MagicMock() self.controller.heartbeat = hearbeat dumpsMock.return_value = "data" sendRequest = MagicMock(name="sendRequest") self.controller.sendRequest = sendRequest self.controller.responseId = 1 response = {"responseId":"2", "restartAgent":"false"} sendRequest.return_value = response def one_heartbeat(*args, **kwargs): self.controller.DEBUG_STOP_HEARTBEATING = True return response sendRequest.side_effect = one_heartbeat actionQueue = MagicMock() actionQueue.isIdle.return_value = True # one successful request, after stop self.controller.actionQueue = actionQueue self.controller.heartbeatWithServer() self.assertTrue(sendRequest.called) calls = [] def retry(*args, **kwargs): if len(calls) == 0: calls.append(1) response["responseId"] = "3" raise Exception() if len(calls) > 0: self.controller.DEBUG_STOP_HEARTBEATING = True return response # exception, retry, successful and stop sendRequest.side_effect = retry self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() self.assertEqual(1, self.controller.DEBUG_SUCCESSFULL_HEARTBEATS) # retry registration self.controller.responseId = 2 response["registrationCommand"] = "true" sendRequest.side_effect = one_heartbeat self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() self.assertTrue(self.controller.repeatRegistration) # components are not mapped self.controller.responseId = 2 response["registrationCommand"] = "false" response["hasMappedComponents"] = False sendRequest.side_effect = one_heartbeat self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() self.assertFalse(self.controller.hasMappedComponents) # components are mapped self.controller.responseId = 2 response["hasMappedComponents"] = True sendRequest.side_effect = one_heartbeat self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() self.assertTrue(self.controller.hasMappedComponents) # components are mapped self.controller.responseId = 2 del response["hasMappedComponents"] sendRequest.side_effect = one_heartbeat self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() self.assertTrue(self.controller.hasMappedComponents) # wrong responseId => restart self.controller.responseId = 2 response = {"responseId":"2", "restartAgent":"false"} restartAgent = MagicMock(name="restartAgent") self.controller.restartAgent = restartAgent self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() restartAgent.assert_called_once_with() # executionCommands self.controller.responseId = 1 addToQueue = MagicMock(name="addToQueue") self.controller.addToQueue = addToQueue response["executionCommands"] = "executionCommands" self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() addToQueue.assert_has_calls([call("executionCommands")]) # statusCommands self.controller.responseId = 1 addToStatusQueue = MagicMock(name="addToStatusQueue") self.controller.addToStatusQueue = addToStatusQueue response["statusCommands"] = "statusCommands" self.controller.DEBUG_STOP_HEARTBEATING = False self.controller.heartbeatWithServer() addToStatusQueue.assert_has_calls([call("statusCommands")]) # restartAgent command self.controller.responseId = 1 self.controller.DEBUG_STOP_HEARTBEATING = False response["restartAgent"] = "true" restartAgent = MagicMock(name="restartAgent") self.controller.restartAgent = restartAgent self.controller.heartbeatWithServer() restartAgent.assert_called_once_with() # actionQueue not idle self.controller.responseId = 1 self.controller.DEBUG_STOP_HEARTBEATING = False actionQueue.isIdle.return_value = False response["restartAgent"] = "false" self.controller.heartbeatWithServer() sleepMock.assert_called_with( self.controller.netutil.MINIMUM_INTERVAL_BETWEEN_HEARTBEATS) sys.stdout = sys.__stdout__ self.controller.sendRequest = Controller.Controller.sendRequest self.controller.sendRequest = Controller.Controller.addToQueue self.controller.sendRequest = Controller.Controller.addToStatusQueue @patch("pprint.pformat") @patch("time.sleep") @patch("json.loads") @patch("json.dumps") def test_certSigningFailed(self, dumpsMock, loadsMock, sleepMock, pformatMock): register = MagicMock() self.controller.register = register dumpsMock.return_value = "request" response = {"responseId":1,} loadsMock.return_value = response self.controller.sendRequest = Mock(side_effect=ssl.SSLError()) self.controller.repeatRegistration=True self.controller.registerWithServer() #Conroller thread and the agent stop if the repeatRegistration flag is False self.assertFalse(self.controller.repeatRegistration) @patch.object(Controller, "LiveStatus") def test_updateComponents(self, LiveStatus_mock): LiveStatus_mock.SERVICES = [] LiveStatus_mock.CLIENT_COMPONENTS = [] LiveStatus_mock.COMPONENTS = [] self.controller.componentsUrl = "foo_url/" sendRequest = Mock() self.controller.sendRequest = sendRequest self.controller.sendRequest.return_value = {"clusterName":"dummy_cluster_name", "stackName":"dummy_stack_name", "stackVersion":"dummy_stack_version", "components":{"PIG":{"PIG":"CLIENT"}, "MAPREDUCE":{"MAPREDUCE_CLIENT":"CLIENT", "JOBTRACKER":"MASTER","TASKTRACKER":"SLAVE"}}} self.controller.updateComponents("dummy_cluster_name") sendRequest.assert_called_with('foo_url/dummy_cluster_name', None) services_expected = [u'MAPREDUCE', u'PIG'] client_components_expected = [ {'serviceName':u'MAPREDUCE','componentName':u'MAPREDUCE_CLIENT'}, {'serviceName':u'PIG','componentName':u'PIG'} ] components_expected = [ {'serviceName':u'MAPREDUCE','componentName':u'TASKTRACKER'}, {'serviceName':u'MAPREDUCE','componentName':u'JOBTRACKER'} ] self.assertEquals(LiveStatus_mock.SERVICES, services_expected) self.assertEquals(LiveStatus_mock.CLIENT_COMPONENTS, client_components_expected) self.assertEquals(LiveStatus_mock.COMPONENTS, components_expected) if __name__ == "__main__": unittest.main(verbosity=2)