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YARN-7537 [Atsv2] load hbase configuration from filesystem rather than URL. Contributed by Rohith Sharma

This commit is contained in:
Vrushali C 2018-01-19 15:59:47 -08:00
parent a286acd7be
commit 41e10161b6
2 changed files with 29 additions and 13 deletions
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2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
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@ -2426,7 +2426,7 @@
</property>
<property>
<description> Optional URL to an hbase-site.xml configuration file to be
<description> Optional FS path to an hbase-site.xml configuration file to be
used to connect to the timeline-service hbase cluster. If empty or not
specified, then the HBase configuration will be loaded from the classpath.
When specified the values in the specified configuration file will override

38
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/common/HBaseTimelineStorageUtils.java
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@ -18,13 +18,14 @@
package org.apache.hadoop.yarn.server.timelineservice.storage.common;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.HBaseConfiguration;
@ -269,28 +270,43 @@ public final class HBaseTimelineStorageUtils {
* @return a configuration with the HBase configuration from the classpath,
* optionally overwritten by the timeline service configuration URL if
* specified.
* @throws MalformedURLException if a timeline service HBase configuration URL
* is specified but is a malformed URL.
* @throws IOException if a timeline service HBase configuration path
* is specified but unable to read it.
*/
public static Configuration getTimelineServiceHBaseConf(Configuration conf)
throws MalformedURLException {
throws IOException {
if (conf == null) {
throw new NullPointerException();
}
Configuration hbaseConf;
String timelineServiceHBaseConfFileURL =
String timelineServiceHBaseConfFilePath =
conf.get(YarnConfiguration.TIMELINE_SERVICE_HBASE_CONFIGURATION_FILE);
if (timelineServiceHBaseConfFileURL != null
&& timelineServiceHBaseConfFileURL.length() > 0) {
if (timelineServiceHBaseConfFilePath != null
&& timelineServiceHBaseConfFilePath.length() > 0) {
LOG.info("Using hbase configuration at " +
timelineServiceHBaseConfFileURL);
timelineServiceHBaseConfFilePath);
// create a clone so that we don't mess with out input one
hbaseConf = new Configuration(conf);
Configuration plainHBaseConf = new Configuration(false);
URL hbaseSiteXML = new URL(timelineServiceHBaseConfFileURL);
plainHBaseConf.addResource(hbaseSiteXML);
FileSystem fs = null;
FSDataInputStream in = null;
try {
Path hbaseConfigPath = new Path(timelineServiceHBaseConfFilePath);
fs = FileSystem.newInstance(conf);
in = fs.open(hbaseConfigPath);
plainHBaseConf.addResource(in);
HBaseConfiguration.merge(hbaseConf, plainHBaseConf);
} catch (IOException e) {
throw e;
} finally {
if (in != null) {
in.close();
}
if (fs != null) {
fs.close();
}
}
} else {
// default to what is on the classpath
hbaseConf = HBaseConfiguration.create(conf);