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HDFS-10501. DiskBalancer: Use the default datanode port if port is not provided. Contributed by Anu Engineer.

This commit is contained in:
Anu Engineer 2016-06-09 19:47:01 -07:00 committed by Arpit Agarwal
parent 78a1032b71
commit 121142cf95
1 changed files with 16 additions and 2 deletions
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18
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/diskbalancer/command/QueryCommand.java
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@ -22,10 +22,12 @@
import com.google.common.base.Preconditions;
import org.apache.commons.cli.CommandLine;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol;
import org.apache.hadoop.hdfs.server.datanode.DiskBalancerWorkStatus;
import org.apache.hadoop.hdfs.server.diskbalancer.DiskBalancerException;
import org.apache.hadoop.hdfs.tools.DiskBalancer;
import org.apache.hadoop.net.NetUtils;
/**
* Gets the current status of disk balancer command.
@ -55,10 +57,22 @@ public void execute(CommandLine cmd) throws Exception {
verifyCommandOptions(DiskBalancer.QUERY, cmd);
String nodeName = cmd.getOptionValue(DiskBalancer.QUERY);
Preconditions.checkNotNull(nodeName);
ClientDatanodeProtocol dataNode = getDataNodeProxy(nodeName);
nodeName = nodeName.trim();
String nodeAddress = nodeName;
// if the string is not name:port format use the default port.
if(!nodeName.matches("^.*:\\d$")) {
int defaultIPC = NetUtils.createSocketAddr(
getConf().getTrimmed(DFSConfigKeys.DFS_DATANODE_IPC_ADDRESS_KEY,
DFSConfigKeys.DFS_DATANODE_IPC_ADDRESS_DEFAULT)).getPort();
nodeAddress = nodeName + ":" + defaultIPC;
LOG.debug("Using default data node port : {}", nodeAddress);
}
ClientDatanodeProtocol dataNode = getDataNodeProxy(nodeAddress);
try {
DiskBalancerWorkStatus workStatus = dataNode.queryDiskBalancerPlan();
System.out.printf("Plan ID: %s Result: %s%n", workStatus.getPlanID(),
System.out.printf("Plan ID: %s %nResult: %s%n", workStatus.getPlanID(),
workStatus.getResult().toString());
if(cmd.hasOption(DiskBalancer.VERBOSE)) {