/**
* 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.pig.test;
import java.io.File;
import java.io.FileFilter;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Map.Entry;
import org.apache.commons.io.filefilter.RegexFileFilter;
import org.apache.commons.lang.ArrayUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.mapreduce.v2.MiniMRYarnCluster;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.pig.ExecType;
import org.apache.pig.PigConfiguration;
import org.apache.pig.backend.hadoop.executionengine.tez.TezExecType;
import org.apache.pig.backend.hadoop.executionengine.tez.TezSessionManager;
import org.apache.tez.dag.api.TezConfiguration;
import org.apache.tez.mapreduce.hadoop.MRJobConfig;
import org.apache.tez.runtime.library.api.TezRuntimeConfiguration;
public class TezMiniCluster extends MiniGenericCluster {
private static final File CONF_DIR = new File("build/classes");
private static final File TEZ_LIB_DIR = new File("build/ivy/lib/Pig");
private static final File TEZ_CONF_FILE = new File(CONF_DIR, "tez-site.xml");
private static final File CORE_CONF_FILE = new File(CONF_DIR, "core-site.xml");
private static final File HDFS_CONF_FILE = new File(CONF_DIR, "hdfs-site.xml");
private static final File MAPRED_CONF_FILE = new File(CONF_DIR, "mapred-site.xml");
private static final File YARN_CONF_FILE = new File(CONF_DIR, "yarn-site.xml");
private static final ExecType TEZ = new TezExecType();
protected MiniMRYarnCluster m_mr = null;
private Configuration m_dfs_conf = null;
private Configuration m_mr_conf = null;
@Override
public ExecType getExecType() {
return TEZ;
}
@Override
public void setupMiniDfsAndMrClusters() {
try {
deleteConfFiles();
CONF_DIR.mkdirs();
// Build mini DFS cluster
Configuration hdfsConf = new Configuration();
m_dfs = new MiniDFSCluster.Builder(hdfsConf)
.numDataNodes(2)
.format(true)
.racks(null)
.build();
m_fileSys = m_dfs.getFileSystem();
m_dfs_conf = m_dfs.getConfiguration(0);
//Create user home directory
m_fileSys.mkdirs(m_fileSys.getWorkingDirectory());
// Write core-site.xml
Configuration core_site = new Configuration(false);
core_site.set(FileSystem.FS_DEFAULT_NAME_KEY, m_dfs_conf.get(FileSystem.FS_DEFAULT_NAME_KEY));
core_site.writeXml(new FileOutputStream(CORE_CONF_FILE));
Configuration hdfs_site = new Configuration(false);
for (Entry<String, String> conf : m_dfs_conf) {
if (ArrayUtils.contains(m_dfs_conf.getPropertySources(conf.getKey()), "programatically")) {
hdfs_site.set(conf.getKey(), m_dfs_conf.getRaw(conf.getKey()));
}
}
hdfs_site.writeXml(new FileOutputStream(HDFS_CONF_FILE));
// Build mini YARN cluster
m_mr = new MiniMRYarnCluster("PigMiniCluster", 2);
m_mr.init(m_dfs_conf);
m_mr.start();
m_mr_conf = m_mr.getConfig();
m_mr_conf.set(YarnConfiguration.YARN_APPLICATION_CLASSPATH,
System.getProperty("java.class.path"));
m_mr_conf.set(MRJobConfig.MAP_JAVA_OPTS, "-Xmx512m");
m_mr_conf.set(MRJobConfig.REDUCE_JAVA_OPTS, "-Xmx512m");
Configuration mapred_site = new Configuration(false);
Configuration yarn_site = new Configuration(false);
for (Entry<String, String> conf : m_mr_conf) {
if (ArrayUtils.contains(m_mr_conf.getPropertySources(conf.getKey()), "programatically")) {
if (conf.getKey().contains("yarn")) {
yarn_site.set(conf.getKey(), m_mr_conf.getRaw(conf.getKey()));
} else if (!conf.getKey().startsWith("dfs")){
mapred_site.set(conf.getKey(), m_mr_conf.getRaw(conf.getKey()));
}
}
}
mapred_site.writeXml(new FileOutputStream(MAPRED_CONF_FILE));
yarn_site.writeXml(new FileOutputStream(YARN_CONF_FILE));
// Write tez-site.xml
Configuration tez_conf = new Configuration(false);
// TODO PIG-3659 - Remove this once memory management is fixed
tez_conf.set(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_MB, "20");
tez_conf.set("tez.lib.uris", "hdfs:///tez,hdfs:///tez/lib");
// Set to a lower value so that tests don't get stuck for long because of 1 AM running at a time
tez_conf.set(TezConfiguration.TEZ_SESSION_AM_DAG_SUBMIT_TIMEOUT_SECS, "20");
// Lower the max task attempts to 2 so that negative tests fail
// faster. By default, tasks retry 4 times
tez_conf.set(TezConfiguration.TEZ_AM_TASK_MAX_FAILED_ATTEMPTS, "2");
tez_conf.writeXml(new FileOutputStream(TEZ_CONF_FILE));
// Copy tez jars to hdfs
m_fileSys.mkdirs(new Path("/tez/lib"));
FileFilter fileFilter = new RegexFileFilter("tez-.+\\.jar$");
File[] tezJars = TEZ_LIB_DIR.listFiles(fileFilter);
for (int i = 0; i < tezJars.length; i++) {
if (tezJars[i].getName().startsWith("tez-api")) {
m_fileSys.copyFromLocalFile(
new Path(tezJars[i].getAbsoluteFile().toString()),
new Path("/tez"));
} else {
m_fileSys.copyFromLocalFile(
new Path(tezJars[i].getAbsoluteFile().toString()),
new Path("/tez/lib"));
}
}
m_conf = m_mr_conf;
// Turn FetchOptimizer off so that we can actually test Tez
m_conf.set(PigConfiguration.OPT_FETCH, System.getProperty("test.opt.fetch", "false"));
System.setProperty("junit.hadoop.conf", CONF_DIR.getPath());
System.setProperty("hadoop.log.dir", "build/test/logs");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
protected void shutdownMiniDfsAndMrClusters() {
TezSessionManager.shutdown();
super.shutdownMiniDfsAndMrClusters();
}
@Override
protected void shutdownMiniMrClusters() {
deleteConfFiles();
if (m_mr != null) {
m_mr.stop();
m_mr = null;
}
}
private void deleteConfFiles() {
if(TEZ_CONF_FILE.exists()) {
TEZ_CONF_FILE.delete();
}
if(CORE_CONF_FILE.exists()) {
CORE_CONF_FILE.delete();
}
if(HDFS_CONF_FILE.exists()) {
HDFS_CONF_FILE.delete();
}
if(MAPRED_CONF_FILE.exists()) {
MAPRED_CONF_FILE.delete();
}
if(YARN_CONF_FILE.exists()) {
YARN_CONF_FILE.delete();
}
}
}