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YARN-1239. Modified ResourceManager state-store implementations to start storing version numbers. Contributed by Jian He. 

svn merge --ignore-ancestry -c 1546229 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1546230 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-11-27 23:23:01 +00:00
parent c28ba9bc5d
commit db027316e6
14 changed files with 459 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hadoop-yarn-project/CHANGES.txt
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@ -105,6 +105,9 @@ Release 2.3.0 - UNRELEASED
YARN-1314. Fixed DistributedShell to not fail with multiple arguments for a
shell command separated by spaces. (Xuan Gong via vinodkv)
YARN-1239. Modified ResourceManager state-store implementations to start
storing version numbers. (Jian He via vinodkv)
OPTIMIZATIONS
BUG FIXES

11
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/server/yarn_server_resourcemanager_service_protos.proto
View File

@ -103,9 +103,9 @@ enum RMAppStateProto {
message ApplicationStateDataProto {
optional int64 submit_time = 1;
optional int64 start_time = 2;
optional ApplicationSubmissionContextProto application_submission_context = 3;
optional string user = 4;
optional ApplicationSubmissionContextProto application_submission_context = 2;
optional string user = 3;
optional int64 start_time = 4;
optional RMAppStateProto application_state = 5;
optional string diagnostics = 6 [default = "N/A"];
optional int64 finish_time = 7;
@ -121,3 +121,8 @@ message ApplicationAttemptStateDataProto {
optional int64 start_time = 7;
optional FinalApplicationStatusProto final_application_status = 8;
}
message RMStateVersionProto {
optional int32 major_version = 1;
optional int32 minor_version = 2;
}

1
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
View File

@ -457,6 +457,7 @@ protected void serviceStart() throws Exception {
if(recoveryEnabled) {
try {
rmStore.checkVersion();
RMState state = rmStore.loadState();
recover(state);
} catch (Exception e) {

40
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
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@ -44,9 +44,12 @@
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProto;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import com.google.common.annotations.VisibleForTesting;
@ -63,7 +66,9 @@ public class FileSystemRMStateStore extends RMStateStore {
public static final Log LOG = LogFactory.getLog(FileSystemRMStateStore.class);
private static final String ROOT_DIR_NAME = "FSRMStateRoot";
protected static final String ROOT_DIR_NAME = "FSRMStateRoot";
protected static final RMStateVersion CURRENT_VERSION_INFO = RMStateVersion
.newInstance(1, 0);
protected FileSystem fs;
@ -78,7 +83,6 @@ public class FileSystemRMStateStore extends RMStateStore {
@Override
public synchronized void initInternal(Configuration conf)
throws Exception{
fsWorkingPath = new Path(conf.get(YarnConfiguration.FS_RM_STATE_STORE_URI));
rootDirPath = new Path(fsWorkingPath, ROOT_DIR_NAME);
rmDTSecretManagerRoot = new Path(rootDirPath, RM_DT_SECRET_MANAGER_ROOT);
@ -100,6 +104,36 @@ protected synchronized void closeInternal() throws Exception {
fs.close();
}
@Override
protected RMStateVersion getCurrentVersion() {
return CURRENT_VERSION_INFO;
}
@Override
protected synchronized RMStateVersion loadVersion() throws Exception {
Path versionNodePath = getNodePath(rootDirPath, VERSION_NODE);
if (fs.exists(versionNodePath)) {
FileStatus status = fs.getFileStatus(versionNodePath);
byte[] data = readFile(versionNodePath, status.getLen());
RMStateVersion version =
new RMStateVersionPBImpl(RMStateVersionProto.parseFrom(data));
return version;
}
return null;
}
@Override
protected synchronized void storeVersion() throws Exception {
Path versionNodePath = getNodePath(rootDirPath, VERSION_NODE);
byte[] data =
((RMStateVersionPBImpl) CURRENT_VERSION_INFO).getProto().toByteArray();
if (fs.exists(versionNodePath)) {
updateFile(versionNodePath, data);
} else {
writeFile(versionNodePath, data);
}
}
@Override
public synchronized RMState loadState() throws Exception {
RMState rmState = new RMState();
@ -430,7 +464,7 @@ private void writeFile(Path outputPath, byte[] data) throws Exception {
fs.rename(tempPath, outputPath);
}
private void updateFile(Path outputPath, byte[] data) throws Exception {
protected void updateFile(Path outputPath, byte[] data) throws Exception {
if (fs.exists(outputPath)) {
deleteFile(outputPath);
}

20
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/MemoryRMStateStore.java
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@ -32,6 +32,7 @@
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
@ -43,12 +44,15 @@
public class MemoryRMStateStore extends RMStateStore {
RMState state = new RMState();
@VisibleForTesting
public RMState getState() {
return state;
}
@Override
public void checkVersion() throws Exception {
}
@Override
public synchronized RMState loadState() throws Exception {
// return a copy of the state to allow for modification of the real state
@ -224,4 +228,18 @@ public synchronized void removeRMDTMasterKeyState(DelegationKey delegationKey)
state.rmSecretManagerState.getMasterKeyState();
rmDTMasterKeyState.remove(delegationKey);
}
@Override
protected RMStateVersion loadVersion() throws Exception {
return null;
}
@Override
protected void storeVersion() throws Exception {
}
@Override
protected RMStateVersion getCurrentVersion() {
return null;
}
}

22
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/NullRMStateStore.java
View File

@ -23,6 +23,7 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.token.delegation.DelegationKey;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
@ -99,6 +100,27 @@ protected void updateApplicationStateInternal(String appId,
@Override
protected void updateApplicationAttemptStateInternal(String attemptId,
ApplicationAttemptStateDataPBImpl attemptStateData) throws Exception {
}
@Override
public void checkVersion() throws Exception {
// Do nothing
}
@Override
protected RMStateVersion loadVersion() throws Exception {
// Do nothing
return null;
}
@Override
protected void storeVersion() throws Exception {
// Do nothing
}
@Override
protected RMStateVersion getCurrentVersion() {
// Do nothing
return null;
}
}

52
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java
View File

@ -43,18 +43,18 @@
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationSubmissionContextPBImpl;
import org.apache.hadoop.yarn.event.AsyncDispatcher;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppNewSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppRemovedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppNewSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppUpdateSavedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
@ -78,6 +78,7 @@ public abstract class RMStateStore extends AbstractService {
protected static final String DELEGATION_TOKEN_PREFIX = "RMDelegationToken_";
protected static final String DELEGATION_TOKEN_SEQUENCE_NUMBER_PREFIX =
"RMDTSequenceNumber_";
protected static final String VERSION_NODE = "RMVersionNode";
public static final Log LOG = LogFactory.getLog(RMStateStore.class);
@ -305,6 +306,53 @@ protected void serviceStop() throws Exception {
*/
protected abstract void closeInternal() throws Exception;
/**
* 1) Versioning scheme: major.minor. For e.g. 1.0, 1.1, 1.2...1.25, 2.0 etc.
* 2) Any incompatible change of state-store is a major upgrade, and any
* compatible change of state-store is a minor upgrade.
* 3) If theres's no version, treat it as 1.0.
* 4) Within a minor upgrade, say 1.1 to 1.2:
* overwrite the version info and proceed as normal.
* 5) Within a major upgrade, say 1.2 to 2.0:
* throw exception and indicate user to use a separate upgrade tool to
* upgrade RM state.
*/
public void checkVersion() throws Exception {
RMStateVersion loadedVersion = loadVersion();
LOG.info("Loaded RM state version info " + loadedVersion);
if (loadedVersion != null && loadedVersion.equals(getCurrentVersion())) {
return;
}
// if there is no version info, treat it as 1.0;
if (loadedVersion == null) {
loadedVersion = RMStateVersion.newInstance(1, 0);
}
if (loadedVersion.isCompatibleTo(getCurrentVersion())) {
LOG.info("Storing RM state version info " + getCurrentVersion());
storeVersion();
} else {
throw new RMStateVersionIncompatibleException(
"Expecting RM state version " + getCurrentVersion()
+ ", but loading version " + loadedVersion);
}
}
/**
* Derived class use this method to load the version information from state
* store.
*/
protected abstract RMStateVersion loadVersion() throws Exception;
/**
* Derived class use this method to store the version information.
*/
protected abstract void storeVersion() throws Exception;
/**
* Get the current version of the underlying state store.
*/
protected abstract RMStateVersion getCurrentVersion();
/**
* Blocking API
* The derived class must recover state from the store and return a new

42
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateVersionIncompatibleException.java Normal file
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@ -0,0 +1,42 @@
/**
* 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 org.apache.hadoop.yarn.exceptions.YarnException;
/**
* This exception is thrown by ResourceManager if it's loading an incompatible
* version of state from state store on recovery.
*/
public class RMStateVersionIncompatibleException extends YarnException {
private static final long serialVersionUID = 1364408L;
public RMStateVersionIncompatibleException(Throwable cause) {
super(cause);
}
public RMStateVersionIncompatibleException(String message) {
super(message);
}
public RMStateVersionIncompatibleException(String message, Throwable cause) {
super(message, cause);
}
}

41
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
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@ -33,7 +33,6 @@
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ha.HAServiceProtocol;
import org.apache.hadoop.io.DataInputByteBuffer;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.delegation.DelegationKey;
@ -41,16 +40,18 @@
import org.apache.hadoop.util.ZKUtil;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.client.RMHAServiceTarget;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationAttemptStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.ApplicationStateDataProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProto;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationAttemptStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.ApplicationStateDataPBImpl;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
@ -64,9 +65,9 @@
import org.apache.zookeeper.data.ACL;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.data.Stat;
import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
import com.google.common.annotations.VisibleForTesting;
import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
@Private
@Unstable
@ -74,7 +75,9 @@ public class ZKRMStateStore extends RMStateStore {
public static final Log LOG = LogFactory.getLog(ZKRMStateStore.class);
private static final String ROOT_ZNODE_NAME = "ZKRMStateRoot";
protected static final String ROOT_ZNODE_NAME = "ZKRMStateRoot";
protected static final RMStateVersion CURRENT_VERSION_INFO = RMStateVersion
.newInstance(1, 0);
private int numRetries;
private String zkHostPort = null;
@ -301,6 +304,36 @@ protected synchronized void closeInternal() throws Exception {
closeZkClients();
}
@Override
protected RMStateVersion getCurrentVersion() {
return CURRENT_VERSION_INFO;
}
@Override
protected synchronized void storeVersion() throws Exception {
String versionNodePath = getNodePath(zkRootNodePath, VERSION_NODE);
byte[] data =
((RMStateVersionPBImpl) CURRENT_VERSION_INFO).getProto().toByteArray();
if (zkClient.exists(versionNodePath, true) != null) {
setDataWithRetries(versionNodePath, data, -1);
} else {
createWithRetries(versionNodePath, data, zkAcl, CreateMode.PERSISTENT);
}
}
@Override
protected synchronized RMStateVersion loadVersion() throws Exception {
String versionNodePath = getNodePath(zkRootNodePath, VERSION_NODE);
if (zkClient.exists(versionNodePath, true) != null) {
byte[] data = getDataWithRetries(versionNodePath, true);
RMStateVersion version =
new RMStateVersionPBImpl(RMStateVersionProto.parseFrom(data));
return version;
}
return null;
}
@Override
public synchronized RMState loadState() throws Exception {
RMState rmState = new RMState();

80
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMStateVersion.java Normal file
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@ -0,0 +1,80 @@
/**
* 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.records;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* The version information of RM state.
*/
@Private
@Unstable
public abstract class RMStateVersion {
public static RMStateVersion newInstance(int majorVersion, int minorVersion) {
RMStateVersion version = Records.newRecord(RMStateVersion.class);
version.setMajorVersion(majorVersion);
version.setMinorVersion(minorVersion);
return version;
}
public abstract int getMajorVersion();
public abstract void setMajorVersion(int majorVersion);
public abstract int getMinorVersion();
public abstract void setMinorVersion(int minorVersion);
public String toString() {
return getMajorVersion() + "." + getMinorVersion();
}
public boolean isCompatibleTo(RMStateVersion version) {
return getMajorVersion() == version.getMajorVersion();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + getMajorVersion();
result = prime * result + getMinorVersion();
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
RMStateVersion other = (RMStateVersion) obj;
if (this.getMajorVersion() == other.getMajorVersion()
&& this.getMinorVersion() == other.getMinorVersion()) {
return true;
} else {
return false;
}
}
}

76
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/RMStateVersionPBImpl.java Normal file
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@ -0,0 +1,76 @@
/**
* 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.records.impl.pb;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProto;
import org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos.RMStateVersionProtoOrBuilder;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
public class RMStateVersionPBImpl extends RMStateVersion {
RMStateVersionProto proto = RMStateVersionProto.getDefaultInstance();
RMStateVersionProto.Builder builder = null;
boolean viaProto = false;
public RMStateVersionPBImpl() {
builder = RMStateVersionProto.newBuilder();
}
public RMStateVersionPBImpl(RMStateVersionProto proto) {
this.proto = proto;
viaProto = true;
}
public RMStateVersionProto getProto() {
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = RMStateVersionProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public int getMajorVersion() {
RMStateVersionProtoOrBuilder p = viaProto ? proto : builder;
return p.getMajorVersion();
}
@Override
public void setMajorVersion(int major) {
maybeInitBuilder();
builder.setMajorVersion(major);
}
@Override
public int getMinorVersion() {
RMStateVersionProtoOrBuilder p = viaProto ? proto : builder;
return p.getMinorVersion();
}
@Override
public void setMinorVersion(int minor) {
maybeInitBuilder();
builder.setMinorVersion(minor);
}
}

36
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
View File

@ -58,6 +58,7 @@
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMDTSecretManagerState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
@ -106,6 +107,8 @@ public EventHandler getEventHandler() {
interface RMStateStoreHelper {
RMStateStore getRMStateStore() throws Exception;
boolean isFinalStateValid() throws Exception;
void writeVersion(RMStateVersion version) throws Exception;
RMStateVersion getCurrentVersion() throws Exception;
}
void waitNotify(TestDispatcher dispatcher) {
@ -379,4 +382,37 @@ private Token<AMRMTokenIdentifier> generateAMRMToken(
appToken.setService(new Text("appToken service"));
return appToken;
}
public void testCheckVersion(RMStateStoreHelper stateStoreHelper)
throws Exception {
RMStateStore store = stateStoreHelper.getRMStateStore();
store.setRMDispatcher(new TestDispatcher());
// default version
RMStateVersion defaultVersion = stateStoreHelper.getCurrentVersion();
store.checkVersion();
Assert.assertEquals(defaultVersion, store.loadVersion());
// compatible version
RMStateVersion compatibleVersion =
RMStateVersion.newInstance(defaultVersion.getMajorVersion(),
defaultVersion.getMinorVersion() + 2);
stateStoreHelper.writeVersion(compatibleVersion);
Assert.assertEquals(compatibleVersion, store.loadVersion());
store.checkVersion();
// overwrite the compatible version
Assert.assertEquals(defaultVersion, store.loadVersion());
// incompatible version
RMStateVersion incompatibleVersion =
RMStateVersion.newInstance(defaultVersion.getMajorVersion() + 2,
defaultVersion.getMinorVersion());
stateStoreHelper.writeVersion(incompatibleVersion);
try {
store.checkVersion();
Assert.fail("Invalid version, should fail.");
} catch (Throwable t) {
Assert.assertTrue(t instanceof RMStateVersionIncompatibleException);
}
}
}

24
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
View File

@ -32,6 +32,8 @@
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.junit.Test;
@ -42,7 +44,7 @@ public class TestFSRMStateStore extends RMStateStoreTestBase {
class TestFSRMStateStoreTester implements RMStateStoreHelper {
Path workingDirPathURI;
FileSystemRMStateStore store;
TestFileSystemRMStore store;
MiniDFSCluster cluster;
class TestFileSystemRMStore extends FileSystemRMStateStore {
@ -54,6 +56,14 @@ class TestFileSystemRMStore extends FileSystemRMStateStore {
start();
Assert.assertNotNull(fs);
}
public Path getVersionNode() {
return new Path(new Path(workingDirPathURI, ROOT_DIR_NAME), VERSION_NODE);
}
public RMStateVersion getCurrentVersion() {
return CURRENT_VERSION_INFO;
}
}
public TestFSRMStateStoreTester(MiniDFSCluster cluster) throws Exception {
@ -81,6 +91,17 @@ public boolean isFinalStateValid() throws Exception {
FileStatus[] files = fs.listStatus(workingDirPathURI);
return files.length == 1;
}
@Override
public void writeVersion(RMStateVersion version) throws Exception {
store.updateFile(store.getVersionNode(), ((RMStateVersionPBImpl) version)
.getProto().toByteArray());
}
@Override
public RMStateVersion getCurrentVersion() throws Exception {
return store.getCurrentVersion();
}
}
@Test
@ -113,6 +134,7 @@ public void testFSRMStateStore() throws Exception {
Assert.assertFalse(fileSystemRMStateStore.fsWorkingPath
.getFileSystem(conf).exists(tempAppAttemptFile));
testRMDTSecretManagerStateStore(fsTester);
testCheckVersion(fsTester);
} finally {
cluster.shutdown();
}

24
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
View File

@ -44,6 +44,8 @@
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.ClientRMService;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMStateVersion;
import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.impl.pb.RMStateVersionPBImpl;
import org.apache.zookeeper.ZooKeeper;
import org.junit.Test;
@ -54,7 +56,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
class TestZKRMStateStoreTester implements RMStateStoreHelper {
ZooKeeper client;
ZKRMStateStore store;
TestZKRMStateStoreInternal store;
class TestZKRMStateStoreInternal extends ZKRMStateStore {
@ -69,6 +71,14 @@ public TestZKRMStateStoreInternal(Configuration conf, String workingZnode)
public ZooKeeper getNewZooKeeper() throws IOException {
return client;
}
public String getVersionNode() {
return znodeWorkingPath + "/" + ROOT_ZNODE_NAME + "/" + VERSION_NODE;
}
public RMStateVersion getCurrentVersion() {
return CURRENT_VERSION_INFO;
}
}
public RMStateStore getRMStateStore() throws Exception {
@ -86,6 +96,17 @@ public boolean isFinalStateValid() throws Exception {
List<String> nodes = client.getChildren(store.znodeWorkingPath, false);
return nodes.size() == 1;
}
@Override
public void writeVersion(RMStateVersion version) throws Exception {
client.setData(store.getVersionNode(), ((RMStateVersionPBImpl) version)
.getProto().toByteArray(), -1);
}
@Override
public RMStateVersion getCurrentVersion() throws Exception {
return store.getCurrentVersion();
}
}
@Test
@ -93,6 +114,7 @@ public void testZKRMStateStoreRealZK() throws Exception {
TestZKRMStateStoreTester zkTester = new TestZKRMStateStoreTester();
testRMAppStateStore(zkTester);
testRMDTSecretManagerStateStore(zkTester);
testCheckVersion(zkTester);
}
private Configuration createHARMConf(