public void verifyHsTaskCountersXML(NodeList nodes, Task task) {
for (int i = 0; i < nodes.getLength(); i++) {
Element element = (Element) nodes.item(i);
WebServicesTestUtils.checkStringMatch(
"id", MRApps.toString(task.getID()), WebServicesTestUtils.getXmlString(element, "id"));
// just do simple verification of fields - not data is correct
// in the fields
NodeList groups = element.getElementsByTagName("taskCounterGroup");
for (int j = 0; j < groups.getLength(); j++) {
Element counters = (Element) groups.item(j);
assertNotNull("should have counters in the web service info", counters);
String name = WebServicesTestUtils.getXmlString(counters, "counterGroupName");
assertTrue("name not set", (name != null && !name.isEmpty()));
NodeList counterArr = counters.getElementsByTagName("counter");
for (int z = 0; z < counterArr.getLength(); z++) {
Element counter = (Element) counterArr.item(z);
String counterName = WebServicesTestUtils.getXmlString(counter, "name");
assertTrue("counter name not set", (counterName != null && !counterName.isEmpty()));
long value = WebServicesTestUtils.getXmlLong(counter, "value");
assertTrue("value not >= 0", value >= 0);
}
}
}
}
@Test
public void testJobTaskCountersXML() throws Exception {
WebResource r = resource();
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
for (Task task : jobsMap.get(id).getTasks().values()) {
String tid = MRApps.toString(task.getID());
ClientResponse response =
r.path("ws")
.path("v1")
.path("history")
.path("mapreduce")
.path("jobs")
.path(jobId)
.path("tasks")
.path(tid)
.path("counters")
.accept(MediaType.APPLICATION_XML)
.get(ClientResponse.class);
assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType());
String xml = response.getEntity(String.class);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
InputSource is = new InputSource();
is.setCharacterStream(new StringReader(xml));
Document dom = db.parse(is);
NodeList info = dom.getElementsByTagName("jobTaskCounters");
verifyHsTaskCountersXML(info, task);
}
}
}
@Test
public void testTaskIdCountersDefault() throws JSONException, Exception {
WebResource r = resource();
Map<JobId, Job> jobsMap = appContext.getAllJobs();
for (JobId id : jobsMap.keySet()) {
String jobId = MRApps.toString(id);
for (Task task : jobsMap.get(id).getTasks().values()) {
String tid = MRApps.toString(task.getID());
ClientResponse response =
r.path("ws")
.path("v1")
.path("history")
.path("mapreduce")
.path("jobs")
.path(jobId)
.path("tasks")
.path(tid)
.path("counters")
.get(ClientResponse.class);
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject json = response.getEntity(JSONObject.class);
assertEquals("incorrect number of elements", 1, json.length());
JSONObject info = json.getJSONObject("jobTaskCounters");
verifyHsJobTaskCounters(info, task);
}
}
}
public void verifyTaskGeneric(
Task task,
String id,
String state,
String type,
String successfulAttempt,
long startTime,
long finishTime,
long elapsedTime,
float progress) {
TaskId taskid = task.getID();
String tid = MRApps.toString(taskid);
TaskReport report = task.getReport();
WebServicesTestUtils.checkStringMatch("id", tid, id);
WebServicesTestUtils.checkStringMatch("type", task.getType().toString(), type);
WebServicesTestUtils.checkStringMatch("state", report.getTaskState().toString(), state);
// not easily checked without duplicating logic, just make sure its here
assertNotNull("successfulAttempt null", successfulAttempt);
assertEquals("startTime wrong", report.getStartTime(), startTime);
assertEquals("finishTime wrong", report.getFinishTime(), finishTime);
assertEquals("elapsedTime wrong", finishTime - startTime, elapsedTime);
assertEquals("progress wrong", report.getProgress() * 100, progress, 1e-3f);
}
public void verifyHsTask(JSONArray arr, Job job, String type) throws JSONException {
for (Task task : job.getTasks().values()) {
TaskId id = task.getID();
String tid = MRApps.toString(id);
Boolean found = false;
if (type != null && task.getType() == MRApps.taskType(type)) {
for (int i = 0; i < arr.length(); i++) {
JSONObject info = arr.getJSONObject(i);
if (tid.matches(info.getString("id"))) {
found = true;
verifyHsSingleTask(info, task);
}
}
assertTrue("task with id: " + tid + " not in web service output", found);
}
}
}
@Test
public void testJobError() throws Exception {
MRApp app = new MRApp(1, 0, false, this.getClass().getName(), true);
Job job = app.submit(new Configuration());
app.waitForState(job, JobState.RUNNING);
Assert.assertEquals("Num tasks not correct", 1, job.getTasks().size());
Iterator<Task> it = job.getTasks().values().iterator();
Task task = it.next();
app.waitForState(task, TaskState.RUNNING);
// send an invalid event on task at current state
app.getContext()
.getEventHandler()
.handle(new TaskEvent(task.getID(), TaskEventType.T_SCHEDULE));
// this must lead to job error
app.waitForState(job, JobState.ERROR);
}
public void verifyHsTaskXML(NodeList nodes, Job job) {
assertEquals("incorrect number of elements", 2, nodes.getLength());
for (Task task : job.getTasks().values()) {
TaskId id = task.getID();
String tid = MRApps.toString(id);
Boolean found = false;
for (int i = 0; i < nodes.getLength(); i++) {
Element element = (Element) nodes.item(i);
if (tid.matches(WebServicesTestUtils.getXmlString(element, "id"))) {
found = true;
verifyHsSingleTaskXML(element, task);
}
}
assertTrue("task with id: " + tid + " not in web service output", found);
}
}
public void verifyHsJobTaskCounters(JSONObject info, Task task) throws JSONException {
assertEquals("incorrect number of elements", 2, info.length());
WebServicesTestUtils.checkStringMatch(
"id", MRApps.toString(task.getID()), info.getString("id"));
// just do simple verification of fields - not data is correct
// in the fields
JSONArray counterGroups = info.getJSONArray("taskCounterGroup");
for (int i = 0; i < counterGroups.length(); i++) {
JSONObject counterGroup = counterGroups.getJSONObject(i);
String name = counterGroup.getString("counterGroupName");
assertTrue("name not set", (name != null && !name.isEmpty()));
JSONArray counters = counterGroup.getJSONArray("counter");
for (int j = 0; j < counters.length(); j++) {
JSONObject counter = counters.getJSONObject(j);
String counterName = counter.getString("name");
assertTrue("name not set", (counterName != null && !counterName.isEmpty()));
long value = counter.getLong("value");
assertTrue("value >= 0", value >= 0);
}
}
}
@Test
public void testHistoryParsingForFailedAttempts() throws Exception {
LOG.info("STARTING testHistoryParsingForFailedAttempts");
try {
Configuration conf = new Configuration();
conf.setClass(
CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
MyResolver.class,
DNSToSwitchMapping.class);
RackResolver.init(conf);
MRApp app =
new MRAppWithHistoryWithFailedAttempt(2, 1, true, this.getClass().getName(), true);
app.submit(conf);
Job job = app.getContext().getAllJobs().values().iterator().next();
JobId jobId = job.getID();
app.waitForState(job, JobState.SUCCEEDED);
// make sure all events are flushed
app.waitForState(Service.STATE.STOPPED);
String jobhistoryDir = JobHistoryUtils.getHistoryIntermediateDoneDirForUser(conf);
JobHistory jobHistory = new JobHistory();
jobHistory.init(conf);
JobIndexInfo jobIndexInfo = jobHistory.getJobFileInfo(jobId).getJobIndexInfo();
String jobhistoryFileName = FileNameIndexUtils.getDoneFileName(jobIndexInfo);
Path historyFilePath = new Path(jobhistoryDir, jobhistoryFileName);
FSDataInputStream in = null;
FileContext fc = null;
try {
fc = FileContext.getFileContext(conf);
in = fc.open(fc.makeQualified(historyFilePath));
} catch (IOException ioe) {
LOG.info("Can not open history file: " + historyFilePath, ioe);
throw (new Exception("Can not open History File"));
}
JobHistoryParser parser = new JobHistoryParser(in);
JobInfo jobInfo = parser.parse();
Exception parseException = parser.getParseException();
Assert.assertNull("Caught an expected exception " + parseException, parseException);
int noOffailedAttempts = 0;
Map<TaskID, TaskInfo> allTasks = jobInfo.getAllTasks();
for (Task task : job.getTasks().values()) {
TaskInfo taskInfo = allTasks.get(TypeConverter.fromYarn(task.getID()));
for (TaskAttempt taskAttempt : task.getAttempts().values()) {
TaskAttemptInfo taskAttemptInfo =
taskInfo.getAllTaskAttempts().get(TypeConverter.fromYarn((taskAttempt.getID())));
// Verify rack-name for all task attempts
Assert.assertEquals("rack-name is incorrect", taskAttemptInfo.getRackname(), RACK_NAME);
if (taskAttemptInfo.getTaskStatus().equals("FAILED")) {
noOffailedAttempts++;
}
}
}
Assert.assertEquals("No of Failed tasks doesn't match.", 2, noOffailedAttempts);
} finally {
LOG.info("FINISHED testHistoryParsingForFailedAttempts");
}
}
private void checkHistoryParsing(
final int numMaps, final int numReduces, final int numSuccessfulMaps) throws Exception {
Configuration conf = new Configuration();
conf.set(MRJobConfig.USER_NAME, System.getProperty("user.name"));
long amStartTimeEst = System.currentTimeMillis();
conf.setClass(
CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
MyResolver.class,
DNSToSwitchMapping.class);
RackResolver.init(conf);
MRApp app = new MRAppWithHistory(numMaps, numReduces, true, this.getClass().getName(), true);
app.submit(conf);
Job job = app.getContext().getAllJobs().values().iterator().next();
JobId jobId = job.getID();
LOG.info("JOBID is " + TypeConverter.fromYarn(jobId).toString());
app.waitForState(job, JobState.SUCCEEDED);
// make sure all events are flushed
app.waitForState(Service.STATE.STOPPED);
String jobhistoryDir = JobHistoryUtils.getHistoryIntermediateDoneDirForUser(conf);
FileContext fc = null;
try {
fc = FileContext.getFileContext(conf);
} catch (IOException ioe) {
LOG.info("Can not get FileContext", ioe);
throw (new Exception("Can not get File Context"));
}
if (numMaps == numSuccessfulMaps) {
String summaryFileName = JobHistoryUtils.getIntermediateSummaryFileName(jobId);
Path summaryFile = new Path(jobhistoryDir, summaryFileName);
String jobSummaryString = getJobSummary(fc, summaryFile);
Assert.assertNotNull(jobSummaryString);
Assert.assertTrue(jobSummaryString.contains("resourcesPerMap=100"));
Assert.assertTrue(jobSummaryString.contains("resourcesPerReduce=100"));
Map<String, String> jobSummaryElements = new HashMap<String, String>();
StringTokenizer strToken = new StringTokenizer(jobSummaryString, ",");
while (strToken.hasMoreTokens()) {
String keypair = strToken.nextToken();
jobSummaryElements.put(keypair.split("=")[0], keypair.split("=")[1]);
}
Assert.assertEquals(
"JobId does not match", jobId.toString(), jobSummaryElements.get("jobId"));
Assert.assertEquals("JobName does not match", "test", jobSummaryElements.get("jobName"));
Assert.assertTrue(
"submitTime should not be 0", Long.parseLong(jobSummaryElements.get("submitTime")) != 0);
Assert.assertTrue(
"launchTime should not be 0", Long.parseLong(jobSummaryElements.get("launchTime")) != 0);
Assert.assertTrue(
"firstMapTaskLaunchTime should not be 0",
Long.parseLong(jobSummaryElements.get("firstMapTaskLaunchTime")) != 0);
Assert.assertTrue(
"firstReduceTaskLaunchTime should not be 0",
Long.parseLong(jobSummaryElements.get("firstReduceTaskLaunchTime")) != 0);
Assert.assertTrue(
"finishTime should not be 0", Long.parseLong(jobSummaryElements.get("finishTime")) != 0);
Assert.assertEquals(
"Mismatch in num map slots",
numSuccessfulMaps,
Integer.parseInt(jobSummaryElements.get("numMaps")));
Assert.assertEquals(
"Mismatch in num reduce slots",
numReduces,
Integer.parseInt(jobSummaryElements.get("numReduces")));
Assert.assertEquals(
"User does not match", System.getProperty("user.name"), jobSummaryElements.get("user"));
Assert.assertEquals("Queue does not match", "default", jobSummaryElements.get("queue"));
Assert.assertEquals("Status does not match", "SUCCEEDED", jobSummaryElements.get("status"));
}
JobHistory jobHistory = new JobHistory();
jobHistory.init(conf);
HistoryFileInfo fileInfo = jobHistory.getJobFileInfo(jobId);
JobInfo jobInfo;
long numFinishedMaps;
synchronized (fileInfo) {
Path historyFilePath = fileInfo.getHistoryFile();
FSDataInputStream in = null;
LOG.info("JobHistoryFile is: " + historyFilePath);
try {
in = fc.open(fc.makeQualified(historyFilePath));
} catch (IOException ioe) {
LOG.info("Can not open history file: " + historyFilePath, ioe);
throw (new Exception("Can not open History File"));
}
JobHistoryParser parser = new JobHistoryParser(in);
final EventReader realReader = new EventReader(in);
EventReader reader = Mockito.mock(EventReader.class);
if (numMaps == numSuccessfulMaps) {
reader = realReader;
} else {
final AtomicInteger numFinishedEvents = new AtomicInteger(0); // Hack!
Mockito.when(reader.getNextEvent())
.thenAnswer(
new Answer<HistoryEvent>() {
public HistoryEvent answer(InvocationOnMock invocation) throws IOException {
HistoryEvent event = realReader.getNextEvent();
if (event instanceof TaskFinishedEvent) {
numFinishedEvents.incrementAndGet();
}
if (numFinishedEvents.get() <= numSuccessfulMaps) {
return event;
} else {
throw new IOException("test");
}
}
});
}
jobInfo = parser.parse(reader);
numFinishedMaps = computeFinishedMaps(jobInfo, numMaps, numSuccessfulMaps);
if (numFinishedMaps != numMaps) {
Exception parseException = parser.getParseException();
Assert.assertNotNull("Didn't get expected parse exception", parseException);
}
}
Assert.assertEquals(
"Incorrect username ", System.getProperty("user.name"), jobInfo.getUsername());
Assert.assertEquals("Incorrect jobName ", "test", jobInfo.getJobname());
Assert.assertEquals("Incorrect queuename ", "default", jobInfo.getJobQueueName());
Assert.assertEquals("incorrect conf path", "test", jobInfo.getJobConfPath());
Assert.assertEquals("incorrect finishedMap ", numSuccessfulMaps, numFinishedMaps);
Assert.assertEquals("incorrect finishedReduces ", numReduces, jobInfo.getFinishedReduces());
Assert.assertEquals("incorrect uberized ", job.isUber(), jobInfo.getUberized());
Map<TaskID, TaskInfo> allTasks = jobInfo.getAllTasks();
int totalTasks = allTasks.size();
Assert.assertEquals("total number of tasks is incorrect ", (numMaps + numReduces), totalTasks);
// Verify aminfo
Assert.assertEquals(1, jobInfo.getAMInfos().size());
Assert.assertEquals(MRApp.NM_HOST, jobInfo.getAMInfos().get(0).getNodeManagerHost());
AMInfo amInfo = jobInfo.getAMInfos().get(0);
Assert.assertEquals(MRApp.NM_PORT, amInfo.getNodeManagerPort());
Assert.assertEquals(MRApp.NM_HTTP_PORT, amInfo.getNodeManagerHttpPort());
Assert.assertEquals(1, amInfo.getAppAttemptId().getAttemptId());
Assert.assertEquals(
amInfo.getAppAttemptId(), amInfo.getContainerId().getApplicationAttemptId());
Assert.assertTrue(
amInfo.getStartTime() <= System.currentTimeMillis()
&& amInfo.getStartTime() >= amStartTimeEst);
ContainerId fakeCid = BuilderUtils.newContainerId(-1, -1, -1, -1);
// Assert at taskAttempt level
for (TaskInfo taskInfo : allTasks.values()) {
int taskAttemptCount = taskInfo.getAllTaskAttempts().size();
Assert.assertEquals("total number of task attempts ", 1, taskAttemptCount);
TaskAttemptInfo taInfo = taskInfo.getAllTaskAttempts().values().iterator().next();
Assert.assertNotNull(taInfo.getContainerId());
// Verify the wrong ctor is not being used. Remove after mrv1 is removed.
Assert.assertFalse(taInfo.getContainerId().equals(fakeCid));
}
// Deep compare Job and JobInfo
for (Task task : job.getTasks().values()) {
TaskInfo taskInfo = allTasks.get(TypeConverter.fromYarn(task.getID()));
Assert.assertNotNull("TaskInfo not found", taskInfo);
for (TaskAttempt taskAttempt : task.getAttempts().values()) {
TaskAttemptInfo taskAttemptInfo =
taskInfo.getAllTaskAttempts().get(TypeConverter.fromYarn((taskAttempt.getID())));
Assert.assertNotNull("TaskAttemptInfo not found", taskAttemptInfo);
Assert.assertEquals(
"Incorrect shuffle port for task attempt",
taskAttempt.getShufflePort(),
taskAttemptInfo.getShufflePort());
if (numMaps == numSuccessfulMaps) {
Assert.assertEquals(MRApp.NM_HOST, taskAttemptInfo.getHostname());
Assert.assertEquals(MRApp.NM_PORT, taskAttemptInfo.getPort());
// Verify rack-name
Assert.assertEquals("rack-name is incorrect", taskAttemptInfo.getRackname(), RACK_NAME);
}
}
}
}