#!/usr/bin/env python ''' 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 tempfile from unittest import TestCase import os import logging from mock.mock import patch from ambari_agent.LiveStatus import LiveStatus with patch("platform.linux_distribution", return_value = ('Suse','11','Final')): from ambari_agent.AmbariConfig import AmbariConfig from ambari_agent.ActualConfigHandler import ActualConfigHandler class TestActualConfigHandler(TestCase): def setUp(self): LiveStatus.SERVICES = [ "HDFS", "MAPREDUCE", "GANGLIA", "HBASE", "NAGIOS", "ZOOKEEPER", "OOZIE", "KERBEROS", "TEMPLETON", "HIVE", "YARN", "MAPREDUCE2", "FLUME", "TEZ", "FALCON", "STORM" ] LiveStatus.CLIENT_COMPONENTS = [ {"serviceName" : "HBASE", "componentName" : "HBASE_CLIENT"}, {"serviceName" : "HDFS", "componentName" : "HDFS_CLIENT"}, {"serviceName" : "MAPREDUCE", "componentName" : "MAPREDUCE_CLIENT"}, {"serviceName" : "ZOOKEEPER", "componentName" : "ZOOKEEPER_CLIENT"}, {"serviceName" : "OOZIE", "componentName" : "OOZIE_CLIENT"}, {"serviceName" : "HCATALOG", "componentName" : "HCAT"}, {"serviceName" : "HIVE", "componentName" : "HIVE_CLIENT"}, {"serviceName" : "YARN", "componentName" : "YARN_CLIENT"}, {"serviceName" : "MAPREDUCE2", "componentName" : "MAPREDUCE2_CLIENT"}, {"serviceName" : "PIG", "componentName" : "PIG"}, {"serviceName" : "SQOOP", "componentName" : "SQOOP"}, {"serviceName" : "TEZ", "componentName" : "TEZ_CLIENT"}, {"serviceName" : "FALCON", "componentName" : "FALCON_CLIENT"} ] LiveStatus.COMPONENTS = [ {"serviceName" : "HDFS", "componentName" : "DATANODE"}, {"serviceName" : "HDFS", "componentName" : "NAMENODE"}, {"serviceName" : "HDFS", "componentName" : "SECONDARY_NAMENODE"}, {"serviceName" : "HDFS", "componentName" : "JOURNALNODE"}, {"serviceName" : "HDFS", "componentName" : "ZKFC"}, {"serviceName" : "MAPREDUCE", "componentName" : "JOBTRACKER"}, {"serviceName" : "MAPREDUCE", "componentName" : "TASKTRACKER"}, {"serviceName" : "GANGLIA", "componentName" : "GANGLIA_SERVER"}, {"serviceName" : "GANGLIA", "componentName" : "GANGLIA_MONITOR"}, {"serviceName" : "HBASE", "componentName" : "HBASE_MASTER"}, {"serviceName" : "HBASE", "componentName" : "HBASE_REGIONSERVER"}, {"serviceName" : "NAGIOS", "componentName" : "NAGIOS_SERVER"}, {"serviceName" : "FLUME", "componentName" : "FLUME_SERVER"}, {"serviceName" : "ZOOKEEPER", "componentName" : "ZOOKEEPER_SERVER"}, {"serviceName" : "OOZIE", "componentName" : "OOZIE_SERVER"}, {"serviceName" : "HCATALOG", "componentName" : "HCATALOG_SERVER"}, {"serviceName" : "KERBEROS", "componentName" : "KERBEROS_SERVER"}, {"serviceName" : "HIVE", "componentName" : "HIVE_SERVER"}, {"serviceName" : "HIVE", "componentName" : "HIVE_METASTORE"}, {"serviceName" : "HIVE", "componentName" : "MYSQL_SERVER"}, {"serviceName" : "HIVE", "componentName" : "WEBHCAT_SERVER"}, {"serviceName" : "YARN", "componentName" : "RESOURCEMANAGER"}, {"serviceName" : "YARN", "componentName" : "NODEMANAGER"}, {"serviceName" : "YARN", "componentName" : "APP_TIMELINE_SERVER"}, {"serviceName" : "MAPREDUCE2", "componentName" : "HISTORYSERVER"}, {"serviceName" : "FALCON", "componentName" : "FALCON_SERVER"}, {"serviceName" : "STORM", "componentName" : "NIMBUS"}, {"serviceName" : "STORM", "componentName" : "STORM_REST_API"}, {"serviceName" : "STORM", "componentName" : "SUPERVISOR"}, {"serviceName" : "STORM", "componentName" : "STORM_UI_SERVER"}, {"serviceName" : "STORM", "componentName" : "DRPC_SERVER"} ] logger = logging.getLogger() def test_read_write(self): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) tags = { "global": "version1", "core-site": "version2" } handler = ActualConfigHandler(config, tags) handler.write_actual(tags) output = handler.read_actual() self.assertEquals(tags, output) os.remove(os.path.join(tmpdir, ActualConfigHandler.CONFIG_NAME)) def test_read_empty(self): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) handler = ActualConfigHandler(config, {}) conf_file = open(os.path.join(tmpdir, ActualConfigHandler.CONFIG_NAME), 'w') conf_file.write("") conf_file.close() output = handler.read_actual() self.assertEquals(None, output) os.remove(os.path.join(tmpdir, ActualConfigHandler.CONFIG_NAME)) def test_read_write_component(self): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) tags1 = { "global": "version1", "core-site": "version2" } handler = ActualConfigHandler(config, {}) handler.write_actual(tags1) handler.write_actual_component('FOO', tags1) output1 = handler.read_actual_component('FOO') output2 = handler.read_actual_component('GOO') self.assertEquals(tags1, output1) self.assertEquals(None, output2) tags2 = { "global": "version1", "core-site": "version2" } handler.write_actual(tags2) output3 = handler.read_actual() output4 = handler.read_actual_component('FOO') self.assertEquals(tags2, output3) self.assertEquals(tags1, output4) os.remove(os.path.join(tmpdir, "FOO_" + ActualConfigHandler.CONFIG_NAME)) os.remove(os.path.join(tmpdir, ActualConfigHandler.CONFIG_NAME)) def test_write_actual_component_and_client_components(self): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) tags1 = { "global": "version1", "core-site": "version2" } tags2 = { "global": "version33", "core-site": "version33" } handler = ActualConfigHandler(config, {}) handler.write_actual_component('HDFS_CLIENT', tags1) handler.write_actual_component('HBASE_CLIENT', tags1) self.assertEquals(tags1, handler.read_actual_component('HDFS_CLIENT')) self.assertEquals(tags1, handler.read_actual_component('HBASE_CLIENT')) handler.write_actual_component('DATANODE', tags2) self.assertEquals(tags2, handler.read_actual_component('DATANODE')) self.assertEquals(tags1, handler.read_actual_component('HDFS_CLIENT')) handler.write_client_components('HDFS', tags2) self.assertEquals(tags2, handler.read_actual_component('HDFS_CLIENT')) self.assertEquals(tags1, handler.read_actual_component('HBASE_CLIENT')) os.remove(os.path.join(tmpdir, "DATANODE_" + ActualConfigHandler.CONFIG_NAME)) os.remove(os.path.join(tmpdir, "HBASE_CLIENT_" + ActualConfigHandler.CONFIG_NAME)) os.remove(os.path.join(tmpdir, "HDFS_CLIENT_" + ActualConfigHandler.CONFIG_NAME)) @patch.object(ActualConfigHandler, "write_file") def test_write_client_components(self, write_file_mock): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) tags0 = {"global": "version0", "core-site": "version0"} tags1 = {"global": "version1", "core-site": "version2"} tags2 = {"global": "version33", "core-site": "version33"} configTags = {'HDFS_CLIENT': tags0, 'HBASE_CLIENT': tags1} handler = ActualConfigHandler(config, configTags) self.assertEquals(tags0, handler.read_actual_component('HDFS_CLIENT')) self.assertEquals(tags1, handler.read_actual_component('HBASE_CLIENT')) handler.write_client_components('HDFS', tags2) self.assertEquals(tags2, handler.read_actual_component('HDFS_CLIENT')) self.assertEquals(tags1, handler.read_actual_component('HBASE_CLIENT')) self.assertTrue(write_file_mock.called) self.assertEqual(1, write_file_mock.call_count) @patch.object(ActualConfigHandler, "write_file") @patch.object(ActualConfigHandler, "read_file") def test_read_actual_component_inmemory(self, read_file_mock, write_file_mock): config = AmbariConfig().getConfig() tmpdir = tempfile.gettempdir() config.set('agent', 'prefix', tmpdir) tags1 = { "global": "version1", "core-site": "version2" } read_file_mock.return_value = tags1 handler = ActualConfigHandler(config, {}) handler.write_actual_component('NAMENODE', tags1) self.assertTrue(write_file_mock.called) self.assertEquals(tags1, handler.read_actual_component('NAMENODE')) self.assertFalse(read_file_mock.called) self.assertEquals(tags1, handler.read_actual_component('DATANODE')) self.assertTrue(read_file_mock.called) self.assertEquals(1, read_file_mock.call_count) self.assertEquals(tags1, handler.read_actual_component('DATANODE')) self.assertEquals(1, read_file_mock.call_count)