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YARN-6627. Use deployed webapp folder to launch new YARN UI. Contributed by Sunil G

This commit is contained in:
Jian He 2017-05-19 20:12:06 -07:00
parent 9855225a79
commit e135c0b207
2 changed files with 29 additions and 10 deletions
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5
hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml
View File

@ -180,7 +180,7 @@
</fileSet>
<fileSet>
<directory>hadoop-yarn/hadoop-yarn-ui/target/hadoop-yarn-ui-${project.version}</directory>
<outputDirectory>/share/hadoop/${hadoop.component}/webapps/rm</outputDirectory>
<outputDirectory>/share/hadoop/${hadoop.component}/webapps/ui2</outputDirectory>
<includes>
<include>**/*</include>
</includes>
@ -188,6 +188,9 @@
</fileSets>
<moduleSets>
<moduleSet>
<excludes>
<exclude>org.apache.hadoop:hadoop-yarn-ui</exclude>
</excludes>
<binaries>
<outputDirectory>share/hadoop/${hadoop.component}</outputDirectory>
<includeDependencies>false</includeDependencies>

34
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

@ -113,6 +113,8 @@ import org.apache.zookeeper.server.auth.DigestAuthenticationProvider;
import org.eclipse.jetty.webapp.WebAppContext;
import com.google.common.annotations.VisibleForTesting;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
@ -1068,33 +1070,47 @@ public class ResourceManager extends CompositeService implements Recoverable {
WebAppContext uiWebAppContext = null;
if (getConfig().getBoolean(YarnConfiguration.YARN_WEBAPP_UI2_ENABLE,
YarnConfiguration.DEFAULT_YARN_WEBAPP_UI2_ENABLE)) {
String webPath = UI2_WEBAPP_NAME;
String onDiskPath = getConfig()
.get(YarnConfiguration.YARN_WEBAPP_UI2_WARFILE_PATH);
uiWebAppContext = new WebAppContext();
uiWebAppContext.setContextPath(UI2_WEBAPP_NAME);
if (null == onDiskPath) {
String war = "hadoop-yarn-ui-" + VersionInfo.getVersion() + ".war";
URLClassLoader cl = (URLClassLoader) ClassLoader.getSystemClassLoader();
URL url = cl.findResource(war);
if (null == url) {
onDiskPath = "";
onDiskPath = getWebAppsPath("ui2");
} else {
onDiskPath = url.getFile();
}
LOG.info(
"New web UI war file name:" + war + ", and path:" + onDiskPath);
}
uiWebAppContext = new WebAppContext();
uiWebAppContext.setContextPath(webPath);
uiWebAppContext.setWar(onDiskPath);
if (onDiskPath == null || onDiskPath.isEmpty()) {
LOG.error("No war file or webapps found for ui2 !");
} else {
if (onDiskPath.endsWith(".war")) {
uiWebAppContext.setWar(onDiskPath);
LOG.info("Using war file at: " + onDiskPath);
} else {
uiWebAppContext.setResourceBase(onDiskPath);
LOG.info("Using webapps at: " + onDiskPath);
}
}
}
webApp = builder.start(new RMWebApp(this), uiWebAppContext);
}
private String getWebAppsPath(String appName) {
URL url = getClass().getClassLoader().getResource("webapps/" + appName);
if (url == null) {
return "";
}
return url.toString();
}
/**
* Helper method to create and init {@link #activeServices}. This creates an
* instance of {@link RMActiveServices} and initializes it.