/**
* 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.security;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenRenewer;
import org.apache.hadoop.yarn.api.ClientRMProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
import org.apache.hadoop.yarn.api.records.DelegationToken;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.hadoop.yarn.util.Records;
public class RMDelegationTokenRenewer extends TokenRenewer {
private static final Log LOG = LogFactory
.getLog(RMDelegationTokenRenewer.class);
@Override
public boolean handleKind(Text kind) {
return RMDelegationTokenIdentifier.KIND_NAME.equals(kind);
}
@Override
public boolean isManaged(Token<?> token) throws IOException {
return true;
}
@Override
public long renew(Token<?> token, Configuration conf) throws IOException,
InterruptedException {
ClientRMProtocol rm =
getRMClient(conf, SecurityUtil.getTokenServiceAddr(token));
try {
DelegationToken dToken = BuilderUtils.newDelegationToken(
token.getIdentifier(), token.getKind().toString(),
token.getPassword(), token.getService().toString());
RenewDelegationTokenRequest request =
Records.newRecord(RenewDelegationTokenRequest.class);
request.setDelegationToken(dToken);
return rm.renewDelegationToken(request).getNextExpirationTime();
} finally {
RPC.stopProxy(rm);
}
}
@Override
public void cancel(Token<?> token, Configuration conf) throws IOException,
InterruptedException {
ClientRMProtocol rm =
getRMClient(conf, SecurityUtil.getTokenServiceAddr(token));
try {
DelegationToken dToken = BuilderUtils.newDelegationToken(
token.getIdentifier(), token.getKind().toString(),
token.getPassword(), token.getService().toString());
CancelDelegationTokenRequest request =
Records.newRecord(CancelDelegationTokenRequest.class);
request.setDelegationToken(dToken);
rm.cancelDelegationToken(request);
} finally {
RPC.stopProxy(rm);
}
}
private ClientRMProtocol getRMClient(Configuration conf,
InetSocketAddress rmAddress) {
YarnRPC rpc = YarnRPC.create(conf);
LOG.debug("Connecting to ResourceManager at " + rmAddress);
ClientRMProtocol rm =
(ClientRMProtocol) rpc.getProxy(ClientRMProtocol.class,
rmAddress, conf);
if (LOG.isDebugEnabled()) {
LOG.debug("Connected to ResourceManager at " + rmAddress);
}
return rm;
}
}