/**
* 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.tez.common;
import java.io.File;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.tez.client.TestTezClientUtils;
import org.apache.tez.dag.api.TezConfiguration;
import org.apache.tez.dag.api.TezConstants;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestTezCommonUtils {
private static final String STAGE_DIR = "/tmp/mystage";
private static String RESOLVED_STAGE_DIR;
private static Configuration conf = new Configuration();;
private static String TEST_ROOT_DIR = "target" + Path.SEPARATOR
+ TestTezCommonUtils.class.getName() + "-tmpDir";
private static MiniDFSCluster dfsCluster = null;
private static FileSystem remoteFs = null;
private static final Log LOG = LogFactory.getLog(TestTezCommonUtils.class);
@BeforeClass
public static void setup() throws Exception {
conf.set(TezConfiguration.TEZ_AM_STAGING_DIR, STAGE_DIR);
LOG.info("Starting mini clusters");
try {
conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, TEST_ROOT_DIR);
dfsCluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).format(true).racks(null)
.build();
remoteFs = dfsCluster.getFileSystem();
RESOLVED_STAGE_DIR = remoteFs.getUri() + STAGE_DIR;
conf.set("fs.defaultFS", remoteFs.getUri().toString()); // use HDFS
} catch (IOException io) {
throw new RuntimeException("problem starting mini dfs cluster", io);
}
}
@AfterClass
public static void afterClass() throws InterruptedException {
if (dfsCluster != null) {
try {
LOG.info("Stopping DFSCluster");
dfsCluster.shutdown();
} catch (Exception e) {
e.printStackTrace();
}
}
}
// Testing base staging dir
@Test
public void testTezBaseStagingPath() throws Exception {
Configuration localConf = new Configuration();
// Check if default works with localFS
localConf.unset(TezConfiguration.TEZ_AM_STAGING_DIR);
localConf.set("fs.defaultFS", "file:///");
Path stageDir = TezCommonUtils.getTezBaseStagingPath(localConf);
Assert.assertEquals(stageDir.toString(), "file:" + TezConfiguration.TEZ_AM_STAGING_DIR_DEFAULT);
// check if user set something, indeed works
conf.set(TezConfiguration.TEZ_AM_STAGING_DIR, STAGE_DIR);
stageDir = TezCommonUtils.getTezBaseStagingPath(conf);
Assert.assertEquals(stageDir.toString(), RESOLVED_STAGE_DIR);
}
// Testing System staging dir if createed
@Test
public void testCreateTezSysStagingPath() throws Exception {
String strAppId = "testAppId";
String expectedStageDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId;
String unResolvedStageDir = STAGE_DIR + File.separatorChar + TezCommonUtils.TEZ_SYSTEM_SUB_DIR
+ File.separatorChar + strAppId;
Path stagePath = new Path(unResolvedStageDir);
FileSystem fs = stagePath.getFileSystem(conf);
if (fs.exists(stagePath)) {
fs.delete(stagePath, true);
}
Assert.assertFalse(fs.exists(stagePath));
Path stageDir = TezCommonUtils.createTezSystemStagingPath(conf, strAppId);
Assert.assertEquals(stageDir.toString(), expectedStageDir);
Assert.assertTrue(fs.exists(stagePath));
}
// Testing System staging dir
@Test
public void testTezSysStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
String expectedStageDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId;
Assert.assertEquals(stageDir.toString(), expectedStageDir);
}
// Testing conf staging dir
@Test
public void testTezConfStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path confStageDir = TezCommonUtils.getTezConfStagingPath(stageDir);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.TEZ_PB_BINARY_CONF_NAME;
Assert.assertEquals(confStageDir.toString(), expectedDir);
}
// Testing session jars staging dir
@Test
public void testTezSessionJarStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path confStageDir = TezCommonUtils.getTezAMJarStagingPath(stageDir);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.TEZ_AM_LOCAL_RESOURCES_PB_FILE_NAME;
Assert.assertEquals(confStageDir.toString(), expectedDir);
}
// Testing bin plan staging dir
@Test
public void testTezBinPlanStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path confStageDir = TezCommonUtils.getTezBinPlanStagingPath(stageDir);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.TEZ_PB_PLAN_BINARY_NAME;
Assert.assertEquals(confStageDir.toString(), expectedDir);
}
// Testing text plan staging dir
@Test
public void testTezTextPlanStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path confStageDir = TezCommonUtils.getTezTextPlanStagingPath(stageDir);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.TEZ_PB_PLAN_TEXT_NAME;
Assert.assertEquals(confStageDir.toString(), expectedDir);
}
// Testing recovery path staging dir
@Test
public void testTezRecoveryStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path confStageDir = TezCommonUtils.getRecoveryPath(stageDir, conf);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.DAG_RECOVERY_DATA_DIR_NAME;
Assert.assertEquals(confStageDir.toString(), expectedDir);
}
// Testing app attempt specific recovery path staging dir
@Test
public void testTezAttemptRecoveryStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path recoveryPath = TezCommonUtils.getRecoveryPath(stageDir, conf);
Path recoveryStageDir = TezCommonUtils.getAttemptRecoveryPath(recoveryPath, 2);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.DAG_RECOVERY_DATA_DIR_NAME + File.separator + "2";
Assert.assertEquals(recoveryStageDir.toString(), expectedDir);
}
// Testing DAG specific recovery path staging dir
@Test
public void testTezDAGRecoveryStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path recoveryPath = TezCommonUtils.getRecoveryPath(stageDir, conf);
Path recoveryStageDir = TezCommonUtils.getAttemptRecoveryPath(recoveryPath, 2);
Path dagRecoveryPathj = TezCommonUtils.getDAGRecoveryPath(recoveryStageDir, "dag_123");
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.DAG_RECOVERY_DATA_DIR_NAME + File.separator + "2" + File.separator
+ "dag_123" + TezConstants.DAG_RECOVERY_RECOVER_FILE_SUFFIX;
Assert.assertEquals(dagRecoveryPathj.toString(), expectedDir);
}
// Testing Summary recovery path staging dir
@Test
public void testTezSummaryRecoveryStagingPath() throws Exception {
String strAppId = "testAppId";
Path stageDir = TezCommonUtils.getTezSystemStagingPath(conf, strAppId);
Path recoveryPath = TezCommonUtils.getRecoveryPath(stageDir, conf);
Path recoveryStageDir = TezCommonUtils.getAttemptRecoveryPath(recoveryPath, 2);
Path summaryRecoveryPathj = TezCommonUtils.getSummaryRecoveryPath(recoveryStageDir);
String expectedDir = RESOLVED_STAGE_DIR + File.separatorChar
+ TezCommonUtils.TEZ_SYSTEM_SUB_DIR + File.separatorChar + strAppId + File.separator
+ TezConstants.DAG_RECOVERY_DATA_DIR_NAME + File.separator + "2" + File.separator
+ TezConstants.DAG_RECOVERY_SUMMARY_FILE_SUFFIX;
Assert.assertEquals(summaryRecoveryPathj.toString(), expectedDir);
}
// This test is running here to leverage existing mini cluster
@Test
public void testLocalResourceVisibility() throws Exception {
TestTezClientUtils.testLocalResourceVisibility(dfsCluster.getFileSystem(), conf);
}
@Test
public void testStringTokenize() {
String s = "foo:bar:xyz::too";
String[] expectedTokens = { "foo", "bar" , "xyz" , "too"};
String[] tokens = new String[4];
TezCommonUtils.tokenizeString(s, ":").toArray(tokens);
Assert.assertArrayEquals(expectedTokens, tokens);
}
}