/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.indexing.worker;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.introspect.AnnotationIntrospectorPair;
import com.fasterxml.jackson.databind.introspect.GuiceAnnotationIntrospector;
import com.fasterxml.jackson.databind.introspect.GuiceInjectableValues;
import com.fasterxml.jackson.databind.jsontype.NamedType;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.io.Files;
import com.google.inject.Binder;
import com.google.inject.Guice;
import com.google.inject.Injector;
import io.druid.curator.PotentiallyGzippedCompressionProvider;
import io.druid.indexing.common.IndexingServiceCondition;
import io.druid.indexing.common.SegmentLoaderFactory;
import io.druid.indexing.common.TaskStatus;
import io.druid.indexing.common.TaskToolboxFactory;
import io.druid.indexing.common.TestMergeTask;
import io.druid.indexing.common.TestRealtimeTask;
import io.druid.indexing.common.TestUtils;
import io.druid.indexing.common.config.TaskConfig;
import io.druid.indexing.overlord.TestRemoteTaskRunnerConfig;
import io.druid.indexing.overlord.ThreadPoolTaskRunner;
import io.druid.indexing.worker.config.WorkerConfig;
import io.druid.jackson.DefaultObjectMapper;
import io.druid.segment.column.ColumnConfig;
import io.druid.segment.loading.DataSegmentPuller;
import io.druid.segment.loading.LocalDataSegmentPuller;
import io.druid.segment.loading.OmniSegmentLoader;
import io.druid.segment.loading.SegmentLoaderConfig;
import io.druid.segment.loading.StorageLocationConfig;
import io.druid.server.initialization.ZkPathsConfig;
import junit.framework.Assert;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.apache.curator.test.TestingCluster;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.List;
/**
*/
public class WorkerTaskMonitorTest
{
private static final ObjectMapper jsonMapper = new DefaultObjectMapper();
private static final Injector injector = Guice.createInjector(
new com.google.inject.Module()
{
@Override
public void configure(Binder binder)
{
binder.bind(ColumnConfig.class).toInstance(
new ColumnConfig()
{
@Override
public int columnCacheSizeBytes()
{
return 1024 * 1024;
}
}
);
}
}
);
static {
final GuiceAnnotationIntrospector guiceIntrospector = new GuiceAnnotationIntrospector();
jsonMapper.setInjectableValues(new GuiceInjectableValues(injector));
jsonMapper.setAnnotationIntrospectors(
new AnnotationIntrospectorPair(
guiceIntrospector, jsonMapper.getSerializationConfig().getAnnotationIntrospector()
),
new AnnotationIntrospectorPair(
guiceIntrospector, jsonMapper.getDeserializationConfig().getAnnotationIntrospector()
)
);
}
private static final Joiner joiner = Joiner.on("/");
private static final String basePath = "/test/druid";
private static final String tasksPath = String.format("%s/indexer/tasks/worker", basePath);
private static final String statusPath = String.format("%s/indexer/status/worker", basePath);
private TestingCluster testingCluster;
private CuratorFramework cf;
private WorkerCuratorCoordinator workerCuratorCoordinator;
private WorkerTaskMonitor workerTaskMonitor;
private TestMergeTask task;
private Worker worker;
@Before
public void setUp() throws Exception
{
testingCluster = new TestingCluster(1);
testingCluster.start();
cf = CuratorFrameworkFactory.builder()
.connectString(testingCluster.getConnectString())
.retryPolicy(new ExponentialBackoffRetry(1, 10))
.compressionProvider(new PotentiallyGzippedCompressionProvider(false))
.build();
cf.start();
cf.create().creatingParentsIfNeeded().forPath(basePath);
worker = new Worker(
"worker",
"localhost",
3,
"0"
);
workerCuratorCoordinator = new WorkerCuratorCoordinator(
jsonMapper,
new ZkPathsConfig()
{
@Override
public String getZkBasePath()
{
return basePath;
}
},
new TestRemoteTaskRunnerConfig(),
cf,
worker
);
workerCuratorCoordinator.start();
final File tmp = Files.createTempDir();
// Start a task monitor
workerTaskMonitor = new WorkerTaskMonitor(
jsonMapper,
cf,
workerCuratorCoordinator,
new ThreadPoolTaskRunner(
new TaskToolboxFactory(
new TaskConfig(tmp.toString(), null, null, 0, null),
null, null, null, null, null, null, null, null, null, null, null, new SegmentLoaderFactory(
new OmniSegmentLoader(
ImmutableMap.<String, DataSegmentPuller>of(
"local",
new LocalDataSegmentPuller()
),
null,
new SegmentLoaderConfig()
{
@Override
public List<StorageLocationConfig> getLocations()
{
return Lists.newArrayList();
}
}
)
), jsonMapper
)
),
new WorkerConfig().setCapacity(1)
);
jsonMapper.registerSubtypes(new NamedType(TestMergeTask.class, "test"));
jsonMapper.registerSubtypes(new NamedType(TestRealtimeTask.class, "test_realtime"));
workerTaskMonitor.start();
task = TestMergeTask.createDummyTask("test");
}
@After
public void tearDown() throws Exception
{
workerTaskMonitor.stop();
cf.close();
testingCluster.stop();
}
@Test
public void testRunTask() throws Exception
{
cf.create()
.creatingParentsIfNeeded()
.forPath(joiner.join(tasksPath, task.getId()), jsonMapper.writeValueAsBytes(task));
Assert.assertTrue(
TestUtils.conditionValid(
new IndexingServiceCondition()
{
@Override
public boolean isValid()
{
try {
return cf.checkExists().forPath(joiner.join(tasksPath, task.getId())) == null;
}
catch (Exception e) {
return false;
}
}
}
)
);
Assert.assertTrue(
TestUtils.conditionValid(
new IndexingServiceCondition()
{
@Override
public boolean isValid()
{
try {
return cf.checkExists().forPath(joiner.join(statusPath, task.getId())) != null;
}
catch (Exception e) {
return false;
}
}
}
)
);
TaskAnnouncement taskAnnouncement = jsonMapper.readValue(
cf.getData().forPath(joiner.join(statusPath, task.getId())), TaskAnnouncement.class
);
Assert.assertEquals(task.getId(), taskAnnouncement.getTaskStatus().getId());
Assert.assertEquals(TaskStatus.Status.RUNNING, taskAnnouncement.getTaskStatus().getStatusCode());
}
}