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* 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.resourcemanager.recovery;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.security.PrivilegedExceptionAction;
import java.util.LinkedList;
import java.util.Queue;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.security.AccessControlException;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.records.Version;
import org.apache.hadoop.yarn.server.records.impl.pb.VersionPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
public class TestFSRMStateStore extends RMStateStoreTestBase {
public static final Log LOG = LogFactory.getLog(TestFSRMStateStore.class);
private TestFSRMStateStoreTester fsTester;
class TestFSRMStateStoreTester implements RMStateStoreHelper {
Path workingDirPathURI;
TestFileSystemRMStore store;
MiniDFSCluster cluster;
boolean adminCheckEnable;
class TestFileSystemRMStore extends FileSystemRMStateStore {
TestFileSystemRMStore(Configuration conf) throws Exception {
init(conf);
Assert.assertNull(fs);
assertTrue(workingDirPathURI.equals(fsWorkingPath));
start();
Assert.assertNotNull(fs);
}
public Path getVersionNode() {
return new Path(new Path(workingDirPathURI, ROOT_DIR_NAME), VERSION_NODE);
}
public Version getCurrentVersion() {
return CURRENT_VERSION_INFO;
}
public Path getAppDir(String appId) {
Path rootDir = new Path(workingDirPathURI, ROOT_DIR_NAME);
Path appRootDir = new Path(rootDir, RM_APP_ROOT);
Path appDir = new Path(appRootDir, appId);
return appDir;
}
}
public TestFSRMStateStoreTester(MiniDFSCluster cluster, boolean adminCheckEnable) throws Exception {
Path workingDirPath = new Path("/yarn/Test");
this.adminCheckEnable = adminCheckEnable;
this.cluster = cluster;
FileSystem fs = cluster.getFileSystem();
fs.mkdirs(workingDirPath);
Path clusterURI = new Path(cluster.getURI());
workingDirPathURI = new Path(clusterURI, workingDirPath);
fs.close();
}
@Override
public RMStateStore getRMStateStore() throws Exception {
YarnConfiguration conf = new YarnConfiguration();
conf.set(YarnConfiguration.FS_RM_STATE_STORE_URI,
workingDirPathURI.toString());
conf.set(YarnConfiguration.FS_RM_STATE_STORE_RETRY_POLICY_SPEC,
"100,6000");
conf.setInt(YarnConfiguration.FS_RM_STATE_STORE_NUM_RETRIES, 20);
conf.setLong(YarnConfiguration.FS_RM_STATE_STORE_RETRY_INTERVAL_MS,
900L);
if (adminCheckEnable) {
conf.setBoolean(
YarnConfiguration.YARN_INTERMEDIATE_DATA_ENCRYPTION, true);
}
this.store = new TestFileSystemRMStore(conf);
Assert.assertEquals(store.getNumRetries(), 20);
Assert.assertEquals(store.getRetryInterval(), 900L);
return store;
}
@Override
public boolean isFinalStateValid() throws Exception {
FileSystem fs = cluster.getFileSystem();
FileStatus[] files = fs.listStatus(workingDirPathURI);
return files.length == 1;
}
@Override
public void writeVersion(Version version) throws Exception {
store.updateFile(store.getVersionNode(), ((VersionPBImpl)
version)
.getProto().toByteArray(), false);
}
@Override
public Version getCurrentVersion() throws Exception {
return store.getCurrentVersion();
}
public boolean appExists(RMApp app) throws IOException {
FileSystem fs = cluster.getFileSystem();
Path nodePath =
store.getAppDir(app.getApplicationId().toString());
return fs.exists(nodePath);
}
}
@Test(timeout = 60000)
public void testFSRMStateStore() throws Exception {
HdfsConfiguration conf = new HdfsConfiguration();
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
try {
fsTester = new TestFSRMStateStoreTester(cluster, false);
// If the state store is FileSystemRMStateStore then add corrupted entry.
// It should discard the entry and remove it from file system.
FSDataOutputStream fsOut = null;
FileSystemRMStateStore fileSystemRMStateStore =
(FileSystemRMStateStore) fsTester.getRMStateStore();
String appAttemptIdStr3 = "appattempt_1352994193343_0001_000003";
ApplicationAttemptId attemptId3 =
ConverterUtils.toApplicationAttemptId(appAttemptIdStr3);
Path appDir =
fsTester.store.getAppDir(attemptId3.getApplicationId().toString());
Path tempAppAttemptFile =
new Path(appDir, attemptId3.toString() + ".tmp");
fsOut = fileSystemRMStateStore.fs.create(tempAppAttemptFile, false);
fsOut.write("Some random data ".getBytes());
fsOut.close();
testRMAppStateStore(fsTester);
Assert.assertFalse(fsTester.workingDirPathURI
.getFileSystem(conf).exists(tempAppAttemptFile));
testRMDTSecretManagerStateStore(fsTester);
testCheckVersion(fsTester);
testEpoch(fsTester);
testAppDeletion(fsTester);
testDeleteStore(fsTester);
testAMRMTokenSecretManagerStateStore(fsTester);
} finally {
cluster.shutdown();
}
}
@Ignore //probably due to change of behavior in HDFS not implemented in our version
@Test(timeout = 60000)
public void testHDFSRMStateStore() throws Exception {
final HdfsConfiguration conf = new HdfsConfiguration();
UserGroupInformation yarnAdmin =
UserGroupInformation.createUserForTesting("yarn",
new String[]{"admin"});
final MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
cluster.getFileSystem().mkdir(new Path("/yarn"),
FsPermission.valueOf("-rwxrwxrwx"));
cluster.getFileSystem().setOwner(new Path("/yarn"), "yarn", "admin");
final UserGroupInformation hdfsAdmin = UserGroupInformation.getCurrentUser();
final StoreStateVerifier verifier = new StoreStateVerifier() {
@Override
void afterStoreApp(final RMStateStore store, final ApplicationId appId) {
try {
// Wait for things to settle
Thread.sleep(5000);
hdfsAdmin.doAs(
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
verifyFilesUnreadablebyHDFS(cluster,
((FileSystemRMStateStore) store).getAppDir
(appId));
return null;
}
});
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
void afterStoreAppAttempt(final RMStateStore store,
final ApplicationAttemptId appAttId) {
try {
// Wait for things to settle
Thread.sleep(5000);
hdfsAdmin.doAs(
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
verifyFilesUnreadablebyHDFS(cluster,
((FileSystemRMStateStore) store)
.getAppAttemptDir(appAttId));
return null;
}
});
} catch (Exception e) {
throw new RuntimeException(e);
}
}
};
try {
yarnAdmin.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
fsTester = new TestFSRMStateStoreTester(cluster, true);
testRMAppStateStore(fsTester, verifier);
return null;
}
});
} finally {
cluster.shutdown();
}
}
private void verifyFilesUnreadablebyHDFS(MiniDFSCluster cluster,
Path root) throws Exception{
DistributedFileSystem fs = cluster.getFileSystem();
Queue<Path> paths = new LinkedList<>();
paths.add(root);
while (!paths.isEmpty()) {
Path p = paths.poll();
FileStatus stat = fs.getFileStatus(p);
if (!stat.isDirectory()) {
try {
LOG.warn("\n\n ##Testing path [" + p + "]\n\n");
fs.open(p);
Assert.fail("Super user should not be able to read ["+ UserGroupInformation.getCurrentUser() + "] [" + p.getName() + "]");
} catch (AccessControlException e) {
Assert.assertTrue(e.getMessage().contains("superuser is not allowed to perform this operation"));
} catch (Exception e) {
Assert.fail("Should get an AccessControlException here");
}
}
if (stat.isDirectory()) {
FileStatus[] ls = fs.listStatus(p);
for (FileStatus f : ls) {
paths.add(f.getPath());
}
}
}
}
@Test(timeout = 60000)
public void testCheckMajorVersionChange() throws Exception {
HdfsConfiguration conf = new HdfsConfiguration();
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
try {
fsTester = new TestFSRMStateStoreTester(cluster, false) {
Version VERSION_INFO = Version.newInstance(Integer.MAX_VALUE, 0);
@Override
public Version getCurrentVersion() throws Exception {
return VERSION_INFO;
}
@Override
public RMStateStore getRMStateStore() throws Exception {
YarnConfiguration conf = new YarnConfiguration();
conf.set(YarnConfiguration.FS_RM_STATE_STORE_URI,
workingDirPathURI.toString());
conf.set(YarnConfiguration.FS_RM_STATE_STORE_RETRY_POLICY_SPEC,
"100,6000");
this.store = new TestFileSystemRMStore(conf) {
Version storedVersion = null;
@Override
public Version getCurrentVersion() {
return VERSION_INFO;
}
@Override
protected synchronized Version loadVersion() throws Exception {
return storedVersion;
}
@Override
protected synchronized void storeVersion() throws Exception {
storedVersion = VERSION_INFO;
}
};
return store;
}
};
// default version
RMStateStore store = fsTester.getRMStateStore();
Version defaultVersion = fsTester.getCurrentVersion();
store.checkVersion();
Assert.assertEquals(defaultVersion, store.loadVersion());
} finally {
cluster.shutdown();
}
}
@Override
protected void modifyAppState() throws Exception {
// imitate appAttemptFile1 is still .new, but old one is deleted
String appAttemptIdStr1 = "appattempt_1352994193343_0001_000001";
ApplicationAttemptId attemptId1 =
ConverterUtils.toApplicationAttemptId(appAttemptIdStr1);
Path appDir =
fsTester.store.getAppDir(attemptId1.getApplicationId().toString());
Path appAttemptFile1 =
new Path(appDir, attemptId1.toString() + ".new");
FileSystemRMStateStore fileSystemRMStateStore =
(FileSystemRMStateStore) fsTester.getRMStateStore();
fileSystemRMStateStore.renameFile(appAttemptFile1,
new Path(appAttemptFile1.getParent(),
appAttemptFile1.getName() + ".new"));
}
@Override
protected void modifyRMDelegationTokenState() throws Exception {
// imitate dt file is still .new, but old one is deleted
Path nodeCreatePath =
fsTester.store.getNodePath(fsTester.store.rmDTSecretManagerRoot,
FileSystemRMStateStore.DELEGATION_TOKEN_PREFIX + 0);
FileSystemRMStateStore fileSystemRMStateStore =
(FileSystemRMStateStore) fsTester.getRMStateStore();
fileSystemRMStateStore.renameFile(nodeCreatePath,
new Path(nodeCreatePath.getParent(),
nodeCreatePath.getName() + ".new"));
}
@Test (timeout = 30000)
public void testFSRMStateStoreClientRetry() throws Exception {
HdfsConfiguration conf = new HdfsConfiguration();
MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
cluster.waitActive();
try {
TestFSRMStateStoreTester fsTester = new TestFSRMStateStoreTester(cluster, false);
final RMStateStore store = fsTester.getRMStateStore();
store.setRMDispatcher(new TestDispatcher());
final AtomicBoolean assertionFailedInThread = new AtomicBoolean(false);
cluster.shutdownNameNodes();
Thread clientThread = new Thread() {
@Override
public void run() {
try {
store.storeApplicationStateInternal(
ApplicationId.newInstance(100L, 1),
ApplicationStateData.newInstance(111, 111, "user", null,
RMAppState.ACCEPTED, "diagnostics", 333));
} catch (Exception e) {
assertionFailedInThread.set(true);
e.printStackTrace();
}
}
};
Thread.sleep(2000);
clientThread.start();
cluster.restartNameNode();
clientThread.join();
Assert.assertFalse(assertionFailedInThread.get());
} finally {
cluster.shutdown();
}
}
}