/**
* Checks if the local instance manager reads the default correctly from the configuration file.
*/
@Test
public void testInstanceTypeFromConfiguration() {
try {
Configuration cfg = new Configuration();
cfg.setString(ConfigConstants.JOB_MANAGER_IPC_ADDRESS_KEY, "127.0.0.1");
cfg.setInteger(ConfigConstants.JOB_MANAGER_IPC_PORT_KEY, 6123);
cfg.setInteger(ConfigConstants.TASK_MANAGER_MEMORY_SIZE_KEY, 1);
cfg.setInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS, 1);
GlobalConfiguration.includeConfiguration(cfg);
// start JobManager
ExecutionMode executionMode = ExecutionMode.LOCAL;
JobManager jm = new JobManager(executionMode);
final TestInstanceListener testInstanceListener = new TestInstanceListener();
InstanceManager im = jm.getInstanceManager();
try {
im.setInstanceListener(testInstanceListener);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Instantiation of LocalInstanceManager failed: " + e.getMessage());
} finally {
jm.shutdown();
}
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
Assert.fail("Test caused an error: " + e.getMessage());
}
}
/**
* Entry point for the program.
*
* @param args arguments from the command line
* @throws IOException
*/
@SuppressWarnings("static-access")
public static void main(String[] args) throws IOException {
Option configDirOpt =
OptionBuilder.withArgName("config directory")
.hasArg()
.withDescription("Specify configuration directory.")
.create("configDir");
// tempDir option is used by the YARN client.
Option tempDir =
OptionBuilder.withArgName("temporary directory (overwrites configured option)")
.hasArg()
.withDescription("Specify temporary directory.")
.create(ARG_CONF_DIR);
configDirOpt.setRequired(true);
tempDir.setRequired(false);
Options options = new Options();
options.addOption(configDirOpt);
options.addOption(tempDir);
CommandLineParser parser = new GnuParser();
CommandLine line = null;
try {
line = parser.parse(options, args);
} catch (ParseException e) {
System.err.println("CLI Parsing failed. Reason: " + e.getMessage());
System.exit(FAILURE_RETURN_CODE);
}
String configDir = line.getOptionValue(configDirOpt.getOpt(), null);
String tempDirVal = line.getOptionValue(tempDir.getOpt(), null);
// First, try to load global configuration
GlobalConfiguration.loadConfiguration(configDir);
if (tempDirVal != null // the YARN TM runner has set a value for the temp dir
// the configuration does not contain a temp direcory
&& GlobalConfiguration.getString(ConfigConstants.TASK_MANAGER_TMP_DIR_KEY, null) == null) {
Configuration c = GlobalConfiguration.getConfiguration();
c.setString(ConfigConstants.TASK_MANAGER_TMP_DIR_KEY, tempDirVal);
LOG.info("Setting temporary directory to " + tempDirVal);
GlobalConfiguration.includeConfiguration(c);
}
// print some startup environment info, like user, code revision, etc
EnvironmentInformation.logEnvironmentInfo(LOG, "TaskManager");
// Create a new task manager object
try {
new TaskManager(ExecutionMode.CLUSTER);
} catch (Exception e) {
LOG.fatal("Taskmanager startup failed: " + e.getMessage(), e);
System.exit(FAILURE_RETURN_CODE);
}
// park the main thread to keep the JVM alive (all other threads may be daemon threads)
Object mon = new Object();
synchronized (mon) {
try {
mon.wait();
} catch (InterruptedException ex) {
}
}
}