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MAPREDUCE-3828. Ensure that urls in single-node mode are correct. Contributed by Siddharth Seth. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1241791 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arun Murthy 2012-02-08 07:12:24 +00:00
parent 4d3dc530e8
commit 1de681b896
3 changed files with 54 additions and 24 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -775,6 +775,9 @@ Release 0.23.1 - Unreleased
into the container request table when multiple hosts for a split happen to
be on the same rack. (Siddarth Seth via vinodkv)
MAPREDUCE-3828. Ensure that urls in single-node mode are correct. (sseth
via acmurthy)
Release 0.23.0 - 2011-11-01
INCOMPATIBLE CHANGES

25
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
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@ -20,8 +20,13 @@ package org.apache.hadoop.yarn.conf;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.util.Iterator;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.net.NetUtils;
public class YarnConfiguration extends Configuration {
private static final Splitter ADDR_SPLITTER = Splitter.on(':').trimResults();
@ -543,7 +548,25 @@ public class YarnConfiguration extends Configuration {
// Use apps manager address to figure out the host for webapp
addr = conf.get(YarnConfiguration.RM_ADDRESS, YarnConfiguration.DEFAULT_RM_ADDRESS);
String host = ADDR_SPLITTER.split(addr).iterator().next();
return JOINER.join(host, ":", port);
String rmAddress = JOINER.join(host, ":", port);
InetSocketAddress address = NetUtils.createSocketAddr(
rmAddress, DEFAULT_RM_WEBAPP_PORT, RM_WEBAPP_ADDRESS);
StringBuffer sb = new StringBuffer();
InetAddress resolved = address.getAddress();
if (resolved == null || resolved.isAnyLocalAddress() ||
resolved.isLoopbackAddress()) {
String lh = host;
try {
lh = InetAddress.getLocalHost().getCanonicalHostName();
} catch (UnknownHostException e) {
//Ignore and fallback.
}
sb.append(lh);
} else {
sb.append(address.getHostName());
}
sb.append(":").append(address.getPort());
return sb.toString();
}
public static String getRMWebAppURL(Configuration conf) {

16
hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfiguration.java
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@ -18,7 +18,6 @@
package org.apache.hadoop.yarn.conf;
import junit.framework.Assert;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
@ -32,20 +31,25 @@ public class TestYarnConfiguration {
String rmWebUrl = YarnConfiguration.getRMWebAppURL(conf);
// shouldn't have a "/" on the end of the url as all the other uri routinnes
// specifically add slashes and Jetty doesn't handle double slashes.
Assert.assertEquals("RM Web Url is not correct", "http://0.0.0.0:8088",
Assert.assertNotSame("RM Web Url is not correct", "http://0.0.0.0:8088",
rmWebUrl);
}
@Test
public void testRMWebUrlSpecified() throws Exception {
YarnConfiguration conf = new YarnConfiguration();
// seems a bit odd but right now we are forcing webapp for RM to be RM_ADDRESS
// seems a bit odd but right now we are forcing webapp for RM to be
// RM_ADDRESS
// for host and use the port from the RM_WEBAPP_ADDRESS
conf.set(YarnConfiguration.RM_WEBAPP_ADDRESS, "footesting:99110");
conf.set(YarnConfiguration.RM_WEBAPP_ADDRESS, "fortesting:24543");
conf.set(YarnConfiguration.RM_ADDRESS, "rmtesting:9999");
String rmWebUrl = YarnConfiguration.getRMWebAppURL(conf);
Assert.assertEquals("RM Web Url is not correct", "http://rmtesting:99110",
rmWebUrl);
String[] parts = rmWebUrl.split(":");
Assert.assertEquals("RM Web URL Port is incrrect", 24543,
Integer.valueOf(parts[parts.length - 1]).intValue());
Assert.assertNotSame(
"RM Web Url not resolved correctly. Should not be rmtesting",
"http://rmtesting:24543", rmWebUrl);
}
}