/**
* 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.hadoop.yarn.server.applicationhistoryservice;
import java.io.IOException;
import java.net.URI;
import junit.framework.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RawLocalFileSystem;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationAttemptHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ApplicationHistoryData;
import org.apache.hadoop.yarn.server.applicationhistoryservice.records.ContainerHistoryData;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestFileSystemApplicationHistoryStore extends
ApplicationHistoryStoreTestUtils {
private FileSystem fs;
private Path fsWorkingPath;
@Before
public void setup() throws Exception {
fs = new RawLocalFileSystem();
Configuration conf = new Configuration();
fs.initialize(new URI("/"), conf);
fsWorkingPath = new Path("Test");
fs.delete(fsWorkingPath, true);
conf.set(YarnConfiguration.FS_APPLICATION_HISTORY_STORE_URI, fsWorkingPath.toString());
store = new FileSystemApplicationHistoryStore();
store.init(conf);
store.start();
}
@After
public void tearDown() throws Exception {
store.stop();
fs.delete(fsWorkingPath, true);
fs.close();
}
@Test
public void testReadWriteHistoryData() throws IOException {
testWriteHistoryData(5);
testReadHistoryData(5);
}
private void testWriteHistoryData(int num) throws IOException {
testWriteHistoryData(num, false, false);
}
private void testWriteHistoryData(
int num, boolean missingContainer, boolean missingApplicationAttempt)
throws IOException {
// write application history data
for (int i = 1; i <= num; ++i) {
ApplicationId appId = ApplicationId.newInstance(0, i);
writeApplicationStartData(appId);
// write application attempt history data
for (int j = 1; j <= num; ++j) {
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, j);
writeApplicationAttemptStartData(appAttemptId);
if (missingApplicationAttempt && j == num) {
continue;
}
// write container history data
for (int k = 1; k <= num; ++k) {
ContainerId containerId = ContainerId.newInstance(appAttemptId, k);
writeContainerStartData(containerId);
if (missingContainer && k == num) {
continue;
}
writeContainerFinishData(containerId);
}
writeApplicationAttemptFinishData(appAttemptId);
}
writeApplicationFinishData(appId);
}
}
private void testReadHistoryData(int num) throws IOException {
testReadHistoryData(num, false, false);
}
private void testReadHistoryData(
int num, boolean missingContainer, boolean missingApplicationAttempt)
throws IOException {
// read application history data
Assert.assertEquals(num, store.getAllApplications().size());
for (int i = 1; i <= num; ++i) {
ApplicationId appId = ApplicationId.newInstance(0, i);
ApplicationHistoryData appData = store.getApplication(appId);
Assert.assertNotNull(appData);
Assert.assertEquals(appId.toString(), appData.getApplicationName());
Assert.assertEquals(appId.toString(), appData.getDiagnosticsInfo());
// read application attempt history data
Assert.assertEquals(num, store.getApplicationAttempts(appId).size());
for (int j = 1; j <= num; ++j) {
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, j);
ApplicationAttemptHistoryData attemptData =
store.getApplicationAttempt(appAttemptId);
Assert.assertNotNull(attemptData);
Assert.assertEquals(appAttemptId.toString(), attemptData.getHost());
if (missingApplicationAttempt && j == num) {
Assert.assertNull(attemptData.getDiagnosticsInfo());
continue;
} else {
Assert.assertEquals(appAttemptId.toString(),
attemptData.getDiagnosticsInfo());
}
// read container history data
Assert.assertEquals(num, store.getContainers(appAttemptId).size());
for (int k = 1; k <= num; ++k) {
ContainerId containerId = ContainerId.newInstance(appAttemptId, k);
ContainerHistoryData containerData = store.getContainer(containerId);
Assert.assertNotNull(containerData);
Assert.assertEquals(Priority.newInstance(containerId.getId()),
containerData.getPriority());
if (missingContainer && k == num) {
Assert.assertNull(containerData.getDiagnosticsInfo());
} else {
Assert.assertEquals(containerId.toString(),
containerData.getDiagnosticsInfo());
}
}
ContainerHistoryData masterContainer =
store.getAMContainer(appAttemptId);
Assert.assertNotNull(masterContainer);
Assert.assertEquals(ContainerId.newInstance(appAttemptId, 1),
masterContainer.getContainerId());
}
}
}
@Test
public void testWriteAfterApplicationFinish() throws IOException {
ApplicationId appId = ApplicationId.newInstance(0, 1);
writeApplicationStartData(appId);
writeApplicationFinishData(appId);
// write application attempt history data
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
try {
writeApplicationAttemptStartData(appAttemptId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is not opened"));
}
try {
writeApplicationAttemptFinishData(appAttemptId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is not opened"));
}
// write container history data
ContainerId containerId = ContainerId.newInstance(appAttemptId, 1);
try {
writeContainerStartData(containerId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is not opened"));
}
try {
writeContainerFinishData(containerId);
Assert.fail();
} catch (IOException e) {
Assert.assertTrue(e.getMessage().contains("is not opened"));
}
}
@Test
public void testMassiveWriteContainerHistoryData() throws IOException {
long mb = 1024 * 1024;
long usedDiskBefore = fs.getContentSummary(fsWorkingPath).getLength() / mb;
ApplicationId appId = ApplicationId.newInstance(0, 1);
writeApplicationStartData(appId);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
for (int i = 1; i <= 100000; ++i) {
ContainerId containerId = ContainerId.newInstance(appAttemptId, i);
writeContainerStartData(containerId);
writeContainerFinishData(containerId);
}
writeApplicationFinishData(appId);
long usedDiskAfter = fs.getContentSummary(fsWorkingPath).getLength() / mb;
Assert.assertTrue((usedDiskAfter - usedDiskBefore) < 20);
}
@Test
public void testMissingContainerHistoryData() throws IOException {
testWriteHistoryData(3, true, false);
testReadHistoryData(3, true, false);
}
@Test
public void testMissingApplicationAttemptHistoryData() throws IOException {
testWriteHistoryData(3, false, true);
testReadHistoryData(3, false, true);
}
}