/**
* 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.api.impl.pb.client;
import java.io.IOException;
import java.lang.reflect.UndeclaredThrowableException;
import java.net.InetSocketAddress;
import java.io.Closeable;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.ContainerManager;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainerResponse;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetContainerStatusRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetContainerStatusResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerResponsePBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StopContainerRequestPBImpl;
import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StopContainerResponsePBImpl;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
import org.apache.hadoop.yarn.ipc.ProtoOverHadoopRpcEngine;
import org.apache.hadoop.yarn.proto.ContainerManager.ContainerManagerService;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetContainerStatusRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StartContainerRequestProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.StopContainerRequestProto;
import com.google.protobuf.ServiceException;
public class ContainerManagerPBClientImpl implements ContainerManager,
Closeable {
// Not a documented config. Only used for tests
static final String NM_COMMAND_TIMEOUT = YarnConfiguration.YARN_PREFIX
+ "rpc.nm-command-timeout";
/**
* Maximum of 1 minute timeout for a Node to react to the command
*/
static final int DEFAULT_COMMAND_TIMEOUT = 60000;
private ContainerManagerService.BlockingInterface proxy;
public ContainerManagerPBClientImpl(long clientVersion, InetSocketAddress addr, Configuration conf) throws IOException {
RPC.setProtocolEngine(conf, ContainerManagerService.BlockingInterface.class, ProtoOverHadoopRpcEngine.class);
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
int expireIntvl = conf.getInt(NM_COMMAND_TIMEOUT, DEFAULT_COMMAND_TIMEOUT);
proxy = (ContainerManagerService.BlockingInterface)RPC.getProxy(
ContainerManagerService.BlockingInterface.class, clientVersion, addr, ugi, conf,
NetUtils.getDefaultSocketFactory(conf), expireIntvl);
}
public void close() {
if (this.proxy != null) {
RPC.stopProxy(this.proxy);
}
}
@Override
public GetContainerStatusResponse getContainerStatus(
GetContainerStatusRequest request) throws YarnRemoteException {
GetContainerStatusRequestProto requestProto = ((GetContainerStatusRequestPBImpl)request).getProto();
try {
return new GetContainerStatusResponsePBImpl(proxy.getContainerStatus(null, requestProto));
} catch (ServiceException e) {
if (e.getCause() instanceof YarnRemoteException) {
throw (YarnRemoteException)e.getCause();
} else if (e.getCause() instanceof UndeclaredThrowableException) {
throw (UndeclaredThrowableException)e.getCause();
} else {
throw new UndeclaredThrowableException(e);
}
}
}
@Override
public StartContainerResponse startContainer(StartContainerRequest request)
throws YarnRemoteException {
StartContainerRequestProto requestProto = ((StartContainerRequestPBImpl)request).getProto();
try {
return new StartContainerResponsePBImpl(proxy.startContainer(null, requestProto));
} catch (ServiceException e) {
if (e.getCause() instanceof YarnRemoteException) {
throw (YarnRemoteException)e.getCause();
} else if (e.getCause() instanceof UndeclaredThrowableException) {
throw (UndeclaredThrowableException)e.getCause();
} else {
throw new UndeclaredThrowableException(e);
}
}
}
@Override
public StopContainerResponse stopContainer(StopContainerRequest request)
throws YarnRemoteException {
StopContainerRequestProto requestProto = ((StopContainerRequestPBImpl)request).getProto();
try {
return new StopContainerResponsePBImpl(proxy.stopContainer(null, requestProto));
} catch (ServiceException e) {
if (e.getCause() instanceof YarnRemoteException) {
throw (YarnRemoteException)e.getCause();
} else if (e.getCause() instanceof UndeclaredThrowableException) {
throw (UndeclaredThrowableException)e.getCause();
} else {
throw new UndeclaredThrowableException(e);
}
}
}
}