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MAPREDUCE-6702. TestMiniMRChildTask.testTaskEnv and TestMiniMRChildTask.testTaskOldEnv are failing (ajisakaa via rkanter)

This commit is contained in:
Robert Kanter 2016-06-07 15:46:06 -07:00
parent 620325e816
commit 733f3f18d5
3 changed files with 41 additions and 210 deletions
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12
hadoop-common-project/hadoop-common/src/site/markdown/SingleCluster.md.vm
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@ -181,13 +181,23 @@ You can run a MapReduce job on YARN in a pseudo-distributed mode by setting a fe
The following instructions assume that 1. ~ 4. steps of [the above instructions](#Execution) are already executed.
1. Configure parameters as follows:`etc/hadoop/mapred-site.xml`:
1. Configure parameters as follows:
`etc/hadoop/mapred-site.xml`:
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.admin.user.env</name>
<value>HADOOP_MAPRED_HOME=$HADOOP_COMMON_HOME</value>
</property>
<property>
<name>yarn.app.mapreduce.am.env</name>
<value>HADOOP_MAPRED_HOME=$HADOOP_COMMON_HOME</value>
</property>
</configuration>
`etc/hadoop/yarn-site.xml`:

6
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobConf.java
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@ -294,8 +294,6 @@ public class JobConf extends Configuration {
* Example:
* <ul>
* <li> A=foo - This will set the env variable A to foo. </li>
* <li> B=$X:c This is inherit tasktracker's X env variable on Linux. </li>
* <li> B=%X%;c This is inherit tasktracker's X env variable on Windows. </li>
* </ul>
*
* @deprecated Use {@link #MAPRED_MAP_TASK_ENV} or
@ -314,8 +312,6 @@ public class JobConf extends Configuration {
* Example:
* <ul>
* <li> A=foo - This will set the env variable A to foo. </li>
* <li> B=$X:c This is inherit tasktracker's X env variable on Linux. </li>
* <li> B=%X%;c This is inherit tasktracker's X env variable on Windows. </li>
* </ul>
*/
public static final String MAPRED_MAP_TASK_ENV = JobContext.MAP_ENV;
@ -330,8 +326,6 @@ public class JobConf extends Configuration {
* Example:
* <ul>
* <li> A=foo - This will set the env variable A to foo. </li>
* <li> B=$X:c This is inherit tasktracker's X env variable on Linux. </li>
* <li> B=%X%;c This is inherit tasktracker's X env variable on Windows. </li>
* </ul>
*/
public static final String MAPRED_REDUCE_TASK_ENV = JobContext.REDUCE_ENV;

221
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestMiniMRChildTask.java
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@ -25,9 +25,7 @@ import static org.junit.Assert.fail;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -41,11 +39,9 @@ import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.mapred.lib.IdentityReducer;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.v2.MiniMRYarnCluster;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.util.Shell;
import org.junit.AfterClass;
import org.junit.BeforeClass;
@ -112,29 +108,6 @@ public class TestMiniMRChildTask {
}
}
/**
* Map class which checks if hadoop lib location
* is in the execution path
*/
public static class ExecutionEnvCheckMapClass extends MapReduceBase
implements Mapper<LongWritable, Text, Text, IntWritable> {
public void map (LongWritable key, Text value,
OutputCollector<Text, IntWritable> output,
Reporter reporter) throws IOException {
}
public void configure(JobConf job) {
String executionEnvPathVariable = System.getenv(Shell.WINDOWS ? "PATH"
: "LD_LIBRARY_PATH");
String hadoopHome = System.getenv("HADOOP_COMMON_HOME");
if (hadoopHome == null) {
hadoopHome = "";
}
String hadoopLibLocation = hadoopHome
+ (Shell.WINDOWS ? "\\bin" : "/lib/native");
assertTrue(executionEnvPathVariable.contains(hadoopLibLocation));
}
}
// configure a job
private void configure(JobConf conf, Path inDir, Path outDir, String input,
Class<? extends Mapper> map,
@ -167,57 +140,31 @@ public class TestMiniMRChildTask {
conf.set("test.build.data", TEST_ROOT_DIR);
}
/**
* Launch tests
* @param conf Configuration of the mapreduce job.
* @param inDir input path
* @param outDir output path
* @param input Input text
* @throws IOException
*/
public void launchTest(JobConf conf,
Path inDir,
Path outDir,
String input)
throws IOException, InterruptedException, ClassNotFoundException {
FileSystem outFs = outDir.getFileSystem(conf);
// Launch job with default option for temp dir.
// i.e. temp dir is ./tmp
Job job = Job.getInstance(conf);
job.addFileToClassPath(APP_JAR);
job.setJarByClass(TestMiniMRChildTask.class);
job.setMaxMapAttempts(1); // speed up failures
job.waitForCompletion(true);
boolean succeeded = job.waitForCompletion(true);
assertTrue(succeeded);
outFs.delete(outDir, true);
}
private static void checkEnv(String envName, String expValue, String mode) {
String envValue = System.getenv(envName).trim();
String envValue = System.getenv(envName);
if ("append".equals(mode)) {
if (envValue == null || !envValue.contains(File.pathSeparator)) {
throw new RuntimeException("Missing env variable");
} else {
String parts[] = envValue.split(File.pathSeparator);
String[] parts = envValue.trim().split(File.pathSeparator);
// check if the value is appended
if (!parts[parts.length - 1].equals(expValue)) {
throw new RuntimeException("Wrong env variable in append mode");
}
}
} else {
if (envValue == null || !envValue.equals(expValue)) {
if (envValue == null || !envValue.trim().equals(expValue)) {
throw new RuntimeException("Wrong env variable in noappend mode");
}
}
}
// Mappers that simply checks if the desired user env are present or not
static class EnvCheckMapper extends MapReduceBase implements
private static class EnvCheckMapper extends MapReduceBase implements
Mapper<WritableComparable, Writable, WritableComparable, Writable> {
@Override
@SuppressWarnings("deprecation")
public void configure(JobConf job) {
boolean oldConfigs = job.getBoolean(OLD_CONFIGS, false);
if (oldConfigs) {
@ -236,38 +183,12 @@ public class TestMiniMRChildTask {
mapJavaOpts, MAP_OPTS_VAL);
}
String path = job.get("path");
// check if the pwd is there in LD_LIBRARY_PATH
String pwd = System.getenv("PWD");
assertTrue("LD doesnt contain pwd",
System.getenv("LD_LIBRARY_PATH").contains(pwd));
// check if X=$X:/abc works for LD_LIBRARY_PATH
checkEnv("LD_LIBRARY_PATH", "/tmp", "append");
// check if X=y works for an already existing parameter
checkEnv("LANG", "en_us_8859_1", "noappend");
// check if X=/tmp for a new env variable
checkEnv("MY_PATH", "/tmp", "noappend");
// check if X=$X:/tmp works for a new env var and results into :/tmp
checkEnv("NEW_PATH", File.pathSeparator + "/tmp", "noappend");
// check if X=$(tt's X var):/tmp for an old env variable inherited from
// the tt
if (Shell.WINDOWS) {
// On Windows, PATH is replaced one more time as part of default config
// of "mapreduce.admin.user.env", i.e. on Windows,
// "mapreduce.admin.user.env" is set to
// "PATH=%PATH%;%HADOOP_COMMON_HOME%\\bin"
String hadoopHome = System.getenv("HADOOP_COMMON_HOME");
if (hadoopHome == null) {
hadoopHome = "";
}
String hadoopLibLocation = hadoopHome + "\\bin";
path += File.pathSeparator + hadoopLibLocation;
path += File.pathSeparator + path;
}
checkEnv("PATH", path + File.pathSeparator + "/tmp", "noappend");
String jobLocalDir = job.get(MRJobConfig.JOB_LOCAL_DIR);
assertNotNull(MRJobConfig.JOB_LOCAL_DIR + " is null",
@ -281,10 +202,12 @@ public class TestMiniMRChildTask {
}
}
static class EnvCheckReducer extends MapReduceBase
implements Reducer<WritableComparable, Writable, WritableComparable, Writable> {
private static class EnvCheckReducer extends MapReduceBase
implements Reducer<WritableComparable, Writable,
WritableComparable, Writable> {
@Override
@SuppressWarnings("deprecation")
public void configure(JobConf job) {
boolean oldConfigs = job.getBoolean(OLD_CONFIGS, false);
if (oldConfigs) {
@ -303,39 +226,12 @@ public class TestMiniMRChildTask {
reduceJavaOpts, REDUCE_OPTS_VAL);
}
String path = job.get("path");
// check if the pwd is there in LD_LIBRARY_PATH
String pwd = System.getenv("PWD");
assertTrue("LD doesnt contain pwd",
System.getenv("LD_LIBRARY_PATH").contains(pwd));
// check if X=$X:/abc works for LD_LIBRARY_PATH
checkEnv("LD_LIBRARY_PATH", "/tmp", "append");
// check if X=y works for an already existing parameter
checkEnv("LANG", "en_us_8859_1", "noappend");
// check if X=/tmp for a new env variable
checkEnv("MY_PATH", "/tmp", "noappend");
// check if X=$X:/tmp works for a new env var and results into :/tmp
checkEnv("NEW_PATH", File.pathSeparator + "/tmp", "noappend");
// check if X=$(tt's X var):/tmp for an old env variable inherited from
// the tt
if (Shell.WINDOWS) {
// On Windows, PATH is replaced one more time as part of default config
// of "mapreduce.admin.user.env", i.e. on Windows,
// "mapreduce.admin.user.env"
// is set to "PATH=%PATH%;%HADOOP_COMMON_HOME%\\bin"
String hadoopHome = System.getenv("HADOOP_COMMON_HOME");
if (hadoopHome == null) {
hadoopHome = "";
}
String hadoopLibLocation = hadoopHome + "\\bin";
path += File.pathSeparator + hadoopLibLocation;
path += File.pathSeparator + path;
}
checkEnv("PATH", path + File.pathSeparator + "/tmp", "noappend");
}
@Override
@ -392,73 +288,10 @@ public class TestMiniMRChildTask {
}
}
/**
* To test OS dependent setting of default execution path for a MapRed task.
* Mainly that we can use MRJobConfig.DEFAULT_MAPRED_ADMIN_USER_ENV to set -
* for WINDOWS: %HADOOP_COMMON_HOME%\bin is expected to be included in PATH -
* for Linux: $HADOOP_COMMON_HOME/lib/native is expected to be included in
* LD_LIBRARY_PATH
*/
@Test
public void testMapRedExecutionEnv() {
// for windows, test if the env variable can be set
// this may be removed as part of MAPREDUCE-6588
if (Shell.WINDOWS) {
try {
// Application environment
Map<String, String> environment = new HashMap<String, String>();
String setupHadoopHomeCommand =
"HADOOP_COMMON_HOME=C:\\fake\\PATH\\to\\hadoop\\common\\home";
MRApps.setEnvFromInputString(environment, setupHadoopHomeCommand, conf);
// Add the env variables passed by the admin
MRApps.setEnvFromInputString(environment, conf.get(
MRJobConfig.MAPRED_ADMIN_USER_ENV,
MRJobConfig.DEFAULT_MAPRED_ADMIN_USER_ENV), conf);
String executionPaths = environment.get("PATH");
String toFind =
"C:\\fake\\PATH\\to\\hadoop\\common\\home\\bin";
// Ensure execution PATH/LD_LIBRARY_PATH set up pointing to hadoop lib
assertTrue("execution path does not include the hadoop lib location "
+ toFind, executionPaths.contains(toFind));
} catch (Exception e) {
e.printStackTrace();
fail("Exception in testing execution environment for MapReduce task");
tearDown();
}
}
// now launch a mapreduce job to ensure that the child
// also gets the configured setting for hadoop lib
try {
JobConf conf = new JobConf(mr.getConfig());
// initialize input, output directories
Path rootDir = new Path(System.getProperty("test.build.data",
"build/test/data"));
Path inDir = new Path(rootDir, "input");
Path outDir = new Path(rootDir, "output");
String input = "The input";
// set config to use the ExecutionEnvCheckMapClass map class
configure(conf, inDir, outDir, input,
ExecutionEnvCheckMapClass.class, IdentityReducer.class);
launchTest(conf, inDir, outDir, input);
} catch(Exception e) {
e.printStackTrace();
fail("Exception in testing propagation of env setting to child task");
tearDown();
}
}
/**
* Test to test if the user set env variables reflect in the child
* processes. Mainly
* - x=y (x can be a already existing env variable or a new variable)
* - x=$x:y (replace $x with the current value of x)
*/
@Test
public void testTaskEnv(){
@ -482,7 +315,6 @@ public class TestMiniMRChildTask {
* Test to test if the user set *old* env variables reflect in the child
* processes. Mainly
* - x=y (x can be a already existing env variable or a new variable)
* - x=$x:y (replace $x with the current value of x)
*/
@Test
public void testTaskOldEnv() {
@ -502,16 +334,16 @@ public class TestMiniMRChildTask {
}
}
void runTestTaskEnv(JobConf conf, Path inDir, Path outDir, boolean oldConfigs)
@SuppressWarnings("deprecation")
private void runTestTaskEnv(JobConf config, Path inDir, Path outDir,
boolean oldConfigs)
throws IOException, InterruptedException, ClassNotFoundException {
String input = "The input";
configure(conf, inDir, outDir, input,
configure(config, inDir, outDir, input,
EnvCheckMapper.class, EnvCheckReducer.class);
// test
// - new SET of new var (MY_PATH)
// - set of old var (LANG)
// - append to an old var from modified env (LD_LIBRARY_PATH)
// - append to an old var from tt's env (PATH)
// - append to a new var (NEW_PATH)
String mapTaskEnvKey = JobConf.MAPRED_MAP_TASK_ENV;
String reduceTaskEnvKey = JobConf.MAPRED_MAP_TASK_ENV;
@ -519,29 +351,24 @@ public class TestMiniMRChildTask {
String reduceTaskJavaOptsKey = JobConf.MAPRED_REDUCE_TASK_JAVA_OPTS;
String mapTaskJavaOpts = MAP_OPTS_VAL;
String reduceTaskJavaOpts = REDUCE_OPTS_VAL;
conf.setBoolean(OLD_CONFIGS, oldConfigs);
config.setBoolean(OLD_CONFIGS, oldConfigs);
if (oldConfigs) {
mapTaskEnvKey = reduceTaskEnvKey = JobConf.MAPRED_TASK_ENV;
mapTaskJavaOptsKey = reduceTaskJavaOptsKey = JobConf.MAPRED_TASK_JAVA_OPTS;
mapTaskJavaOpts = reduceTaskJavaOpts = TASK_OPTS_VAL;
}
conf.set(
config.set(
mapTaskEnvKey,
Shell.WINDOWS ? "MY_PATH=/tmp,LANG=en_us_8859_1,LD_LIBRARY_PATH=%LD_LIBRARY_PATH%;/tmp,"
+ "PATH=%PATH%;/tmp,NEW_PATH=%NEW_PATH%;/tmp"
: "MY_PATH=/tmp,LANG=en_us_8859_1,LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/tmp,"
+ "PATH=$PATH:/tmp,NEW_PATH=$NEW_PATH:/tmp");
conf.set(
Shell.WINDOWS ? "MY_PATH=/tmp,LANG=en_us_8859_1,NEW_PATH=%MY_PATH%;/tmp"
: "MY_PATH=/tmp,LANG=en_us_8859_1,NEW_PATH=$NEW_PATH:/tmp");
config.set(
reduceTaskEnvKey,
Shell.WINDOWS ? "MY_PATH=/tmp,LANG=en_us_8859_1,LD_LIBRARY_PATH=%LD_LIBRARY_PATH%;/tmp,"
+ "PATH=%PATH%;/tmp,NEW_PATH=%NEW_PATH%;/tmp"
: "MY_PATH=/tmp,LANG=en_us_8859_1,LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/tmp,"
+ "PATH=$PATH:/tmp,NEW_PATH=$NEW_PATH:/tmp");
conf.set("path", System.getenv("PATH"));
conf.set(mapTaskJavaOptsKey, mapTaskJavaOpts);
conf.set(reduceTaskJavaOptsKey, reduceTaskJavaOpts);
Shell.WINDOWS ? "MY_PATH=/tmp,LANG=en_us_8859_1,NEW_PATH=%MY_PATH%;/tmp"
: "MY_PATH=/tmp,LANG=en_us_8859_1,NEW_PATH=$NEW_PATH:/tmp");
config.set(mapTaskJavaOptsKey, mapTaskJavaOpts);
config.set(reduceTaskJavaOptsKey, reduceTaskJavaOpts);
Job job = Job.getInstance(conf);
Job job = Job.getInstance(config);
job.addFileToClassPath(APP_JAR);
job.setJarByClass(TestMiniMRChildTask.class);
job.setMaxMapAttempts(1); // speed up failures