public static void setupDefaultEnv(
Map<String, String> env,
Configuration conf,
String userEnvKey,
String userEnvDefault,
String clusterDefaultEnvKey,
String clusterDefaultEnvDefault,
boolean usingArchive) {
// Setup the CLASSPATH in environment
// i.e. add { Hadoop jars, job jar, CWD } to classpath.
String classpath = getFrameworkClasspath(conf, usingArchive);
TezYARNUtils.addToEnvironment(
env, ApplicationConstants.Environment.CLASSPATH.name(), classpath, File.pathSeparator);
// Pre-pend pwd to LD_LIBRARY_PATH
// Done separately here because this is known to work platform
// independent
TezYARNUtils.addToEnvironment(
env, Environment.LD_LIBRARY_PATH.name(), Environment.PWD.$(), File.pathSeparator);
TezYARNUtils.appendToEnvFromInputString(
env, conf.get(userEnvKey, userEnvDefault), File.pathSeparator);
// set any env from config if it is not set already
TezYARNUtils.appendToEnvFromInputString(
env, conf.get(clusterDefaultEnvKey, clusterDefaultEnvDefault), File.pathSeparator);
}
/**
* Build up the classpath for execution -behaves very differently on a mini test cluster vs a
* production production one.
*
* @param hoyaConfDir relative path to the dir containing hoya config options to put on the
* classpath -or null
* @param libdir directory containing the JAR files
* @param config the configuration
* @param usingMiniMRCluster flag to indicate the MiniMR cluster is in use (and hence the current
* classpath should be used, not anything built up)
* @return a classpath
*/
public static String buildClasspath(
String hoyaConfDir, String libdir, Configuration config, boolean usingMiniMRCluster) {
// Add AppMaster.jar location to classpath
// At some point we should not be required to add
// the hadoop specific classpaths to the env.
// It should be provided out of the box.
// For now setting all required classpaths including
// the classpath to "." for the application jar
StringBuilder classPathEnv = new StringBuilder();
// add the runtime classpath needed for tests to work
if (usingMiniMRCluster) {
// for mini cluster we pass down the java CP properties
// and nothing else
classPathEnv.append(System.getProperty("java.class.path"));
} else {
char col = File.pathSeparatorChar;
classPathEnv.append(ApplicationConstants.Environment.CLASSPATH.$());
String[] strs =
config.getStrings(
YarnConfiguration.YARN_APPLICATION_CLASSPATH,
YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH);
if (strs != null) {
for (String c : strs) {
classPathEnv.append(col);
classPathEnv.append(c.trim());
}
}
classPathEnv.append(col).append("./").append(libdir).append("/*");
if (hoyaConfDir != null) {
classPathEnv.append(col).append(hoyaConfDir);
}
}
return classPathEnv.toString();
}