/**
* 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.
*/
package org.apache.ambari.server.metadata;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import junit.framework.Assert;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.Role;
import org.apache.ambari.server.RoleCommand;
import org.apache.ambari.server.stageplanner.RoleGraphNode;
import org.junit.After;
import org.junit.Test;
import org.apache.ambari.server.state.Service;
import org.apache.ambari.server.state.ServiceComponent;
import org.apache.ambari.server.state.StackId;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.persist.PersistService;
import org.apache.ambari.server.state.cluster.ClusterImpl;
import org.apache.ambari.server.orm.GuiceJpaInitializer;
import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
import org.junit.Before;
public class RoleGraphTest {
private Injector injector;
@Before
public void setup() throws Exception {
injector = Guice.createInjector(new InMemoryDefaultTestModule());
injector.getInstance(GuiceJpaInitializer.class);
}
@After
public void teardown() {
injector.getInstance(PersistService.class).stop();
}
@Test
public void testValidateOrder() throws AmbariException {
RoleCommandOrder rco = injector.getInstance(RoleCommandOrder.class);
ClusterImpl cluster = mock(ClusterImpl.class);
when(cluster.getCurrentStackVersion()).thenReturn(new StackId("HDP-2.0.6"));
rco.initialize(cluster);
RoleGraphNode datanode_upgrade = new RoleGraphNode(Role.DATANODE, RoleCommand.UPGRADE);
RoleGraphNode hdfs_client_upgrade = new RoleGraphNode(Role.HDFS_CLIENT, RoleCommand.UPGRADE);
Assert.assertEquals(-1, rco.order(datanode_upgrade, hdfs_client_upgrade));
Assert.assertEquals(1, rco.order(hdfs_client_upgrade, datanode_upgrade));
RoleGraphNode namenode_upgrade = new RoleGraphNode(Role.NAMENODE, RoleCommand.UPGRADE);
RoleGraphNode ganglia_server_upgrade = new RoleGraphNode(Role.GANGLIA_SERVER, RoleCommand.UPGRADE);
Assert.assertEquals(1, rco.order(ganglia_server_upgrade, hdfs_client_upgrade));
Assert.assertEquals(1, rco.order(ganglia_server_upgrade, datanode_upgrade));
Assert.assertEquals(-1, rco.order(namenode_upgrade, ganglia_server_upgrade));
RoleGraphNode datanode_start = new RoleGraphNode(Role.DATANODE, RoleCommand.START);
RoleGraphNode datanode_install = new RoleGraphNode(Role.DATANODE, RoleCommand.INSTALL);
RoleGraphNode jobtracker_start = new RoleGraphNode(Role.JOBTRACKER, RoleCommand.START);
RoleGraphNode tasktracker_start = new RoleGraphNode(Role.TASKTRACKER, RoleCommand.START);
Assert.assertEquals(1, rco.order(datanode_start, datanode_install));
Assert.assertEquals(1, rco.order(jobtracker_start, datanode_start));
Assert.assertEquals(0, rco.order(jobtracker_start, jobtracker_start));
RoleGraphNode hive_client_install = new RoleGraphNode(Role.HIVE_CLIENT,
RoleCommand.INSTALL);
RoleGraphNode mapred_client_install = new RoleGraphNode(Role.MAPREDUCE_CLIENT,
RoleCommand.INSTALL);
RoleGraphNode hcat_client_install = new RoleGraphNode(Role.HCAT,
RoleCommand.INSTALL);
RoleGraphNode nagios_server_install = new RoleGraphNode(Role.NAGIOS_SERVER,
RoleCommand.INSTALL);
RoleGraphNode oozie_client_install = new RoleGraphNode(Role.OOZIE_CLIENT,
RoleCommand.INSTALL);
Assert.assertEquals(1, rco.order(nagios_server_install, hive_client_install));
Assert.assertEquals(1, rco.order(nagios_server_install, mapred_client_install));
Assert.assertEquals(1, rco.order(nagios_server_install, hcat_client_install));
Assert.assertEquals(1, rco.order(nagios_server_install, oozie_client_install));
RoleGraphNode pig_service_check = new RoleGraphNode(Role.PIG_SERVICE_CHECK, RoleCommand.SERVICE_CHECK);
RoleGraphNode resourcemanager_start = new RoleGraphNode(Role.RESOURCEMANAGER, RoleCommand.START);
Assert.assertEquals(-1, rco.order(resourcemanager_start, pig_service_check));
RoleGraphNode hdfs_service_check = new RoleGraphNode(Role.HDFS_SERVICE_CHECK, RoleCommand.SERVICE_CHECK);
RoleGraphNode snamenode_start = new RoleGraphNode(Role.SECONDARY_NAMENODE, RoleCommand.START);
Assert.assertEquals(-1, rco.order(snamenode_start, hdfs_service_check));
RoleGraphNode mapred2_service_check = new RoleGraphNode(Role.MAPREDUCE2_SERVICE_CHECK, RoleCommand.SERVICE_CHECK);
RoleGraphNode rm_start = new RoleGraphNode(Role.RESOURCEMANAGER, RoleCommand.START);
RoleGraphNode nm_start = new RoleGraphNode(Role.NODEMANAGER, RoleCommand.START);
RoleGraphNode hs_start = new RoleGraphNode(Role.HISTORYSERVER, RoleCommand.START);
RoleGraphNode nagios_start = new RoleGraphNode(Role.NAGIOS_SERVER, RoleCommand.START);
Assert.assertEquals(-1, rco.order(rm_start, mapred2_service_check));
Assert.assertEquals(-1, rco.order(nm_start, mapred2_service_check));
Assert.assertEquals(-1, rco.order(hs_start, mapred2_service_check));
Assert.assertEquals(-1, rco.order(hs_start, mapred2_service_check));
Assert.assertEquals(1, rco.order(nm_start, rm_start));
//Non-HA mode
RoleGraphNode nn_start = new RoleGraphNode(Role.NAMENODE, RoleCommand.START);
RoleGraphNode jn_start = new RoleGraphNode(Role.JOURNALNODE, RoleCommand.START);
RoleGraphNode zk_server_start = new RoleGraphNode(Role.ZOOKEEPER_SERVER, RoleCommand.START);
RoleGraphNode hbase_master_start = new RoleGraphNode(Role.HBASE_MASTER, RoleCommand.START);
RoleGraphNode hbase_reg_srv_start = new RoleGraphNode(Role.HBASE_REGIONSERVER, RoleCommand.START);
RoleGraphNode ganglia_server_start = new RoleGraphNode(Role.GANGLIA_SERVER, RoleCommand.START);
RoleGraphNode ganglia_monitor_start = new RoleGraphNode(Role.GANGLIA_MONITOR, RoleCommand.START);
RoleGraphNode hcat_start = new RoleGraphNode(Role.HCAT, RoleCommand.START);
RoleGraphNode hive_srv_start = new RoleGraphNode(Role.HIVE_SERVER, RoleCommand.START);
RoleGraphNode hive_ms_start = new RoleGraphNode(Role.HIVE_METASTORE, RoleCommand.START);
RoleGraphNode hue_start = new RoleGraphNode(Role.HUE_SERVER, RoleCommand.START);
RoleGraphNode mysql_start = new RoleGraphNode(Role.MYSQL_SERVER, RoleCommand.START);
RoleGraphNode oozie_srv_start = new RoleGraphNode(Role.OOZIE_SERVER, RoleCommand.START);
RoleGraphNode pig_start = new RoleGraphNode(Role.PIG, RoleCommand.START);
RoleGraphNode sqoop_start = new RoleGraphNode(Role.SQOOP, RoleCommand.START);
RoleGraphNode webhcat_srv_start = new RoleGraphNode(Role.WEBHCAT_SERVER, RoleCommand.START);
RoleGraphNode flume_start = new RoleGraphNode(Role.FLUME_HANDLER, RoleCommand.START);
RoleGraphNode zkfc_start = new RoleGraphNode(Role.ZKFC, RoleCommand.START);
Assert.assertEquals(0, rco.order(nn_start, jn_start));
Assert.assertEquals(0, rco.order(nn_start, zk_server_start));
Assert.assertEquals(0, rco.order(zkfc_start, nn_start));
// Check that Nagios starts after other components
Assert.assertEquals(1, rco.order(nagios_start, nn_start));
Assert.assertEquals(1, rco.order(nagios_start, snamenode_start));
Assert.assertEquals(1, rco.order(nagios_start, datanode_start));
Assert.assertEquals(1, rco.order(nagios_start, resourcemanager_start));
Assert.assertEquals(1, rco.order(nagios_start, nm_start));
Assert.assertEquals(1, rco.order(nagios_start, hbase_master_start));
Assert.assertEquals(1, rco.order(nagios_start, hbase_reg_srv_start));
Assert.assertEquals(1, rco.order(nagios_start, ganglia_server_start));
Assert.assertEquals(1, rco.order(nagios_start, ganglia_monitor_start));
Assert.assertEquals(1, rco.order(nagios_start, hcat_start));
Assert.assertEquals(1, rco.order(nagios_start, hs_start));
Assert.assertEquals(1, rco.order(nagios_start, hive_srv_start));
Assert.assertEquals(1, rco.order(nagios_start, hue_start));
Assert.assertEquals(1, rco.order(nagios_start, jobtracker_start));
Assert.assertEquals(1, rco.order(nagios_start, tasktracker_start));
Assert.assertEquals(1, rco.order(nagios_start, zk_server_start));
Assert.assertEquals(1, rco.order(nagios_start, mysql_start));
Assert.assertEquals(1, rco.order(nagios_start, oozie_srv_start));
Assert.assertEquals(1, rco.order(nagios_start, pig_start));
Assert.assertEquals(1, rco.order(nagios_start, sqoop_start));
Assert.assertEquals(1, rco.order(nagios_start, webhcat_srv_start));
Assert.assertEquals(1, rco.order(nagios_start, flume_start));
//Enable HA for cluster
Service hdfsServiceMock = mock(Service.class);
ServiceComponent jnComponentMock = mock(ServiceComponent.class);
when(cluster.getService("HDFS")).thenReturn(hdfsServiceMock);
when(hdfsServiceMock.getServiceComponent("JOURNALNODE")).thenReturn(jnComponentMock);
rco.initialize(cluster);
Assert.assertEquals(1, rco.order(nn_start, jn_start));
Assert.assertEquals(1, rco.order(nn_start, zk_server_start));
Assert.assertEquals(1, rco.order(zkfc_start, nn_start));
Assert.assertEquals(1, rco.order(nagios_start, zkfc_start));
Assert.assertEquals(1, rco.order(nagios_start, jn_start));
}
}