/**
* 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.stageplanner;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.List;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.Role;
import org.apache.ambari.server.RoleCommand;
import org.apache.ambari.server.actionmanager.Stage;
import org.apache.ambari.server.metadata.RoleCommandOrder;
import org.apache.ambari.server.orm.GuiceJpaInitializer;
import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
import org.apache.ambari.server.state.StackId;
import org.apache.ambari.server.state.cluster.ClusterImpl;
import org.apache.ambari.server.state.svccomphost.ServiceComponentHostStartEvent;
import org.apache.ambari.server.utils.StageUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.persist.PersistService;
public class TestStagePlanner {
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 testSingleStagePlan() 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);
RoleGraph rg = new RoleGraph(rco);
String hostname = "dummy";
Stage stage = StageUtils.getATestStage(1, 1, hostname);
rg.build(stage);
List<Stage> outStages = rg.getStages();
for (Stage s: outStages) {
System.out.println(s.toString());
}
assertEquals(1, outStages.size());
assertEquals(stage.getExecutionCommands(hostname), outStages.get(0)
.getExecutionCommands(hostname));
}
@Test
public void testMultiStagePlan() {
RoleCommandOrder rco = injector.getInstance(RoleCommandOrder.class);
ClusterImpl cluster = mock(ClusterImpl.class);
when(cluster.getCurrentStackVersion()).thenReturn(new StackId("HDP-2.0.6"));
rco.initialize(cluster);
RoleGraph rg = new RoleGraph(rco);
long now = System.currentTimeMillis();
Stage stage = StageUtils.getATestStage(1, 1, "host1");
stage.addHostRoleExecutionCommand("host2", Role.HBASE_MASTER,
RoleCommand.START, new ServiceComponentHostStartEvent("HBASE_MASTER",
"host2", now), "cluster1", "HBASE");
stage.addHostRoleExecutionCommand("host3", Role.ZOOKEEPER_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("ZOOKEEPER_SERVER",
"host3", now), "cluster1", "ZOOKEEPER");
System.out.println(stage.toString());
rg.build(stage);
System.out.println(rg.stringifyGraph());
List<Stage> outStages = rg.getStages();
for (Stage s: outStages) {
System.out.println(s.toString());
}
assertEquals(3, outStages.size());
}
@Test
public void testManyStages() {
RoleCommandOrder rco = injector.getInstance(RoleCommandOrder.class);
ClusterImpl cluster = mock(ClusterImpl.class);
when(cluster.getCurrentStackVersion()).thenReturn(new StackId("HDP-2.0.6"));
rco.initialize(cluster);
RoleGraph rg = new RoleGraph(rco);
long now = System.currentTimeMillis();
Stage stage = StageUtils.getATestStage(1, 1, "host1");
stage.addHostRoleExecutionCommand("host11", Role.SECONDARY_NAMENODE,
RoleCommand.START, new ServiceComponentHostStartEvent("SECONDARY_NAMENODE",
"host11", now), "cluster1", "HDFS");
stage.addHostRoleExecutionCommand("host2", Role.HBASE_MASTER,
RoleCommand.START, new ServiceComponentHostStartEvent("HBASE_MASTER",
"host2", now), "cluster1", "HBASE");
stage.addHostRoleExecutionCommand("host3", Role.ZOOKEEPER_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("ZOOKEEPER_SERVER",
"host3", now), "cluster1", "ZOOKEEPER");
stage.addHostRoleExecutionCommand("host4", Role.DATANODE,
RoleCommand.START, new ServiceComponentHostStartEvent("DATANODE",
"host4", now), "cluster1", "HDFS");
stage.addHostRoleExecutionCommand("host4", Role.HBASE_REGIONSERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("HBASE_REGIONSERVER",
"host4", now), "cluster1", "HBASE");
stage.addHostRoleExecutionCommand("host4", Role.TASKTRACKER,
RoleCommand.START, new ServiceComponentHostStartEvent("TASKTRACKER",
"host4", now), "cluster1", "MAPREDUCE");
stage.addHostRoleExecutionCommand("host5", Role.JOBTRACKER,
RoleCommand.START, new ServiceComponentHostStartEvent("JOBTRACKER",
"host5", now), "cluster1", "MAPREDUCE");
stage.addHostRoleExecutionCommand("host6", Role.OOZIE_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("OOZIE_SERVER",
"host6", now), "cluster1", "OOZIE");
stage.addHostRoleExecutionCommand("host7", Role.WEBHCAT_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("WEBHCAT_SERVER",
"host7", now), "cluster1", "WEBHCAT");
stage.addHostRoleExecutionCommand("host8", Role.NAGIOS_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("NAGIOS_SERVER",
"host8", now), "cluster1", "NAGIOS");
stage.addHostRoleExecutionCommand("host4", Role.GANGLIA_MONITOR,
RoleCommand.START, new ServiceComponentHostStartEvent("GANGLIA_MONITOR",
"host4", now), "cluster1", "GANGLIA");
stage.addHostRoleExecutionCommand("host9", Role.GANGLIA_SERVER,
RoleCommand.START, new ServiceComponentHostStartEvent("GANGLIA_SERVER",
"host9", now), "cluster1", "GANGLIA");
System.out.println(stage.toString());
rg.build(stage);
System.out.println(rg.stringifyGraph());
List<Stage> outStages = rg.getStages();
for (Stage s: outStages) {
System.out.println(s.toString());
}
assertEquals(5, outStages.size());
}
}