List of usage examples for org.apache.hadoop.yarn.api.records ApplicationReport getName
@Public @Stable public abstract String getName();
From source file:io.hops.hopsworks.api.zeppelin.rest.InterpreterRestApi.java
License:Apache License
private List<JobAdministration.YarnApplicationReport> fetchJobs(String username) { JobAdministration jobAdmin = new JobAdministration(); List<JobAdministration.YarnApplicationReport> reports = new ArrayList<>(); YarnClient client = YarnClient.createYarnClient(); Configuration conf = settings.getConfiguration(); client.init(conf);//w w w . jav a 2s . c om client.start(); try { //Create our custom YarnApplicationReport Pojo for (ApplicationReport appReport : client.getApplications(PREDICATE)) { if (username.equals(appReport.getUser())) { reports.add(jobAdmin.new YarnApplicationReport(appReport.getApplicationId().toString(), appReport.getName(), appReport.getUser(), appReport.getStartTime(), appReport.getFinishTime(), appReport.getApplicationId().getClusterTimestamp(), appReport.getApplicationId().getId(), appReport.getYarnApplicationState().name())); } } } catch (YarnException | IOException ex) { logger.error("", ex); } return reports; }
From source file:org.apache.ambari.view.slider.SliderAppsViewControllerImpl.java
License:Apache License
private SliderApp createSliderAppObject(ApplicationReport yarnApp, Set<String> properties, SliderClient sliderClient) {//from w w w.j a va 2 s . c o m if (yarnApp == null) { return null; } SliderApp app = new SliderApp(); app.setState(yarnApp.getYarnApplicationState().name()); // Valid Slider App? // We want all Slider apps except the ones which properly finished. if (YarnApplicationState.FINISHED.equals(yarnApp.getYarnApplicationState())) { try { if (sliderClient.actionExists(yarnApp.getName(), false) == LauncherExitCodes.EXIT_SUCCESS) { app.setState(SliderApp.STATE_FROZEN); } } catch (UnknownApplicationInstanceException e) { return null; // Application not in HDFS - means it is not frozen } catch (YarnException e) { logger.warn("Unable to determine frozen state for " + yarnApp.getName(), e); return null; } catch (IOException e) { logger.warn("Unable to determine frozen state for " + yarnApp.getName(), e); return null; } } if (YarnApplicationState.KILLED.equals(yarnApp.getYarnApplicationState()) || YarnApplicationState.FAILED.equals(yarnApp.getYarnApplicationState())) { try { if (sliderClient.actionExists(yarnApp.getName(), false) != LauncherExitCodes.EXIT_SUCCESS) { // YARN application is killed or failed, and no HDFS content - Application has been destroyed. return null; } } catch (UnknownApplicationInstanceException e) { return null; // Application not in HDFS - means it is not frozen } catch (YarnException e) { logger.warn("Unable to determine status of killed app " + yarnApp.getName(), e); return null; } catch (IOException e) { logger.warn("Unable to determine status of killed app " + yarnApp.getName(), e); return null; } } app.setId(getApplicationIdString(yarnApp.getApplicationId())); app.setName(yarnApp.getName()); app.setUser(yarnApp.getUser()); app.setDiagnostics(yarnApp.getDiagnostics()); app.setYarnId(yarnApp.getApplicationId().toString()); app.setStartTime(yarnApp.getStartTime()); app.setEndTime(yarnApp.getFinishTime()); Set<String> applicationTags = yarnApp.getApplicationTags(); if (applicationTags != null && applicationTags.size() > 0) { for (String tag : applicationTags) { int index = tag.indexOf(':'); if (index > 0 && index < tag.length() - 1) { String key = tag.substring(0, index).trim(); String value = tag.substring(index + 1).trim(); if ("name".equals(key)) { app.setType(value); } else if ("version".equals(key)) { app.setAppVersion(value); } else if ("description".equals(key)) { app.setDescription(value); } } } } if (properties != null && !properties.isEmpty()) { SliderAppType matchedAppType = null; List<SliderAppType> matchingAppTypes = getSliderAppTypes(null); if (matchingAppTypes != null && matchingAppTypes.size() > 0) { for (SliderAppType appType : matchingAppTypes) { if ((appType.getTypeName() != null && appType.getTypeName().equalsIgnoreCase(app.getType())) && (appType.getTypeVersion() != null && appType.getTypeVersion().equalsIgnoreCase(app.getAppVersion()))) { matchedAppType = appType; break; } } } SliderAppMasterClient sliderAppClient = yarnApp.getTrackingUrl() == null ? null : new SliderAppMasterClient(yarnApp.getTrackingUrl()); SliderAppMasterData appMasterData = null; Map<String, String> quickLinks = new HashMap<String, String>(); Set<String> metrics = new HashSet<String>(); for (String property : properties) { if ("RUNNING".equals(app.getState())) { if (sliderAppClient != null) { if (appMasterData == null) { appMasterData = sliderAppClient.getAppMasterData(); } if (appMasterData != null && "urls".equals(property.toLowerCase())) { if (quickLinks.isEmpty()) { quickLinks = sliderAppClient.getQuickLinks(appMasterData.publisherUrl); } app.setUrls(quickLinks); } else if (appMasterData != null && "configs".equals(property.toLowerCase())) { Map<String, Map<String, String>> configs = sliderAppClient .getConfigs(appMasterData.publisherUrl); app.setConfigs(configs); } else if (appMasterData != null && "jmx".equals(property.toLowerCase())) { if (quickLinks.isEmpty()) { quickLinks = sliderAppClient.getQuickLinks(appMasterData.publisherUrl); } if (quickLinks != null && quickLinks.containsKey("JMX")) { String jmxUrl = quickLinks.get("JMX"); if (matchedAppType != null) { MetricsHolder metricsHolder = appMetrics.get(matchedAppType.uniqueName()); app.setJmx(sliderAppClient.getJmx(jmxUrl, viewContext, matchedAppType, metricsHolder)); } } Map<String, Map<String, String>> configs = sliderAppClient .getConfigs(appMasterData.publisherUrl); app.setConfigs(configs); } else if ("components".equals(property.toLowerCase())) { try { ClusterDescription description = sliderClient .getClusterDescription(yarnApp.getName()); if (description != null && description.status != null && !description.status.isEmpty()) { Map<String, SliderAppComponent> componentTypeMap = new HashMap<String, SliderAppComponent>(); for (Entry<String, Object> e : description.status.entrySet()) { @SuppressWarnings("unchecked") Map<String, Map<String, Map<String, Object>>> componentsObj = (Map<String, Map<String, Map<String, Object>>>) e .getValue(); boolean isLive = "live".equals(e.getKey()); for (Entry<String, Map<String, Map<String, Object>>> componentEntry : componentsObj .entrySet()) { SliderAppComponent appComponent = componentTypeMap .get(componentEntry.getKey()); if (appComponent == null) { appComponent = new SliderAppComponent(); appComponent.setComponentName(componentEntry.getKey()); appComponent.setActiveContainers( new HashMap<String, Map<String, String>>()); appComponent.setCompletedContainers( new HashMap<String, Map<String, String>>()); componentTypeMap.put(componentEntry.getKey(), appComponent); } for (Entry<String, Map<String, Object>> containerEntry : componentEntry .getValue().entrySet()) { Map<String, String> containerDataMap = new HashMap<String, String>(); String containerId = containerEntry.getKey(); Map<String, Object> containerValues = containerEntry.getValue(); for (String containerProperty : containerValues.keySet()) { Object containerPropertyValue = containerValues .get(containerProperty); containerDataMap.put(containerProperty, containerPropertyValue.toString()); } if (isLive) { appComponent.getActiveContainers().put(containerId, containerDataMap); } else { appComponent.getCompletedContainers().put(containerId, containerDataMap); } } // Set total instances count from statistics appComponent.setInstanceCount(appComponent.getActiveContainers().size() + appComponent.getCompletedContainers().size()); if (description.statistics != null && description.statistics .containsKey(componentEntry.getKey())) { Map<String, Integer> statisticsMap = description.statistics .get(componentEntry.getKey()); if (statisticsMap.containsKey("containers.desired")) { appComponent.setInstanceCount( statisticsMap.get("containers.desired")); } } } } app.setAlerts( sliderAlerts.generateComponentsAlerts(componentTypeMap, app.getType())); app.setComponents(componentTypeMap); } } catch (UnknownApplicationInstanceException e) { logger.warn("Unable to determine app components for " + yarnApp.getName(), e); } catch (YarnException e) { logger.warn("Unable to determine app components for " + yarnApp.getName(), e); throw new RuntimeException(e.getMessage(), e); } catch (IOException e) { logger.warn("Unable to determine app components for " + yarnApp.getName(), e); throw new RuntimeException(e.getMessage(), e); } } else if (property.startsWith(METRICS_PREFIX)) { metrics.add(property.substring(METRICS_PREFIX.length())); } else if ("supportedMetrics".equals(property)) { if (matchedAppType != null) { app.setSupportedMetrics(matchedAppType.getSupportedMetrics()); } } } } } if (metrics.size() > 0) { if (quickLinks.isEmpty()) { quickLinks = sliderAppClient.getQuickLinks(appMasterData.publisherUrl); } if (quickLinks != null && quickLinks.containsKey(METRICS_API_NAME)) { String metricsUrl = quickLinks.get(METRICS_API_NAME); MetricsHolder metricsHolder = appMetrics.get(matchedAppType.uniqueName()); app.setMetrics(sliderAppClient.getMetrics(yarnApp.getName(), metricsUrl, metrics, null, viewContext, matchedAppType, metricsHolder)); } } } return app; }
From source file:org.apache.flink.yarn.YARNSessionCapacitySchedulerITCase.java
License:Apache License
/** * Test TaskManager failure and also if the vcores are set correctly (see issue FLINK-2213). *//*from w w w . jav a 2s. c o m*/ @Test(timeout = 100000) // timeout after 100 seconds public void testTaskManagerFailure() { LOG.info("Starting testTaskManagerFailure()"); Runner runner = startWithArgs( new String[] { "-j", flinkUberjar.getAbsolutePath(), "-t", flinkLibFolder.getAbsolutePath(), "-n", "1", "-jm", "768", "-tm", "1024", "-s", "3", // set the slots 3 to check if the vCores are set properly! "-nm", "customName", "-Dfancy-configuration-value=veryFancy", "-Dyarn.maximum-failed-containers=3", "-D" + ConfigConstants.YARN_VCORES + "=2" }, "Number of connected TaskManagers changed to 1. Slots available: 3", RunTypes.YARN_SESSION); Assert.assertEquals(2, getRunningContainers()); // ------------------------ Test if JobManager web interface is accessible ------- YarnClient yc = null; try { yc = YarnClient.createYarnClient(); yc.init(yarnConfiguration); yc.start(); List<ApplicationReport> apps = yc.getApplications(EnumSet.of(YarnApplicationState.RUNNING)); Assert.assertEquals(1, apps.size()); // Only one running ApplicationReport app = apps.get(0); Assert.assertEquals("customName", app.getName()); String url = app.getTrackingUrl(); if (!url.endsWith("/")) { url += "/"; } if (!url.startsWith("http://")) { url = "http://" + url; } LOG.info("Got application URL from YARN {}", url); String response = TestBaseUtils.getFromHTTP(url + "taskmanagers/"); JsonNode parsedTMs = new ObjectMapper().readTree(response); ArrayNode taskManagers = (ArrayNode) parsedTMs.get("taskmanagers"); Assert.assertNotNull(taskManagers); Assert.assertEquals(1, taskManagers.size()); Assert.assertEquals(3, taskManagers.get(0).get("slotsNumber").asInt()); // get the configuration from webinterface & check if the dynamic properties from YARN show up there. String jsonConfig = TestBaseUtils.getFromHTTP(url + "jobmanager/config"); Map<String, String> parsedConfig = WebMonitorUtils.fromKeyValueJsonArray(jsonConfig); Assert.assertEquals("veryFancy", parsedConfig.get("fancy-configuration-value")); Assert.assertEquals("3", parsedConfig.get("yarn.maximum-failed-containers")); Assert.assertEquals("2", parsedConfig.get(ConfigConstants.YARN_VCORES)); // -------------- FLINK-1902: check if jobmanager hostname/port are shown in web interface // first, get the hostname/port String oC = outContent.toString(); Pattern p = Pattern.compile("Flink JobManager is now running on ([a-zA-Z0-9.-]+):([0-9]+)"); Matcher matches = p.matcher(oC); String hostname = null; String port = null; while (matches.find()) { hostname = matches.group(1).toLowerCase(); port = matches.group(2); } LOG.info("Extracted hostname:port: {} {}", hostname, port); Assert.assertEquals("unable to find hostname in " + jsonConfig, hostname, parsedConfig.get(ConfigConstants.JOB_MANAGER_IPC_ADDRESS_KEY)); Assert.assertEquals("unable to find port in " + jsonConfig, port, parsedConfig.get(ConfigConstants.JOB_MANAGER_IPC_PORT_KEY)); // test logfile access String logs = TestBaseUtils.getFromHTTP(url + "jobmanager/log"); Assert.assertTrue(logs.contains("Starting YARN ApplicationMaster")); Assert.assertTrue(logs.contains("Starting JobManager")); Assert.assertTrue(logs.contains("Starting JobManager Web Frontend")); } catch (Throwable e) { LOG.warn("Error while running test", e); Assert.fail(e.getMessage()); } // ------------------------ Kill container with TaskManager and check if vcores are set correctly ------- // find container id of taskManager: ContainerId taskManagerContainer = null; NodeManager nodeManager = null; UserGroupInformation remoteUgi = null; NMTokenIdentifier nmIdent = null; try { remoteUgi = UserGroupInformation.getCurrentUser(); } catch (IOException e) { LOG.warn("Unable to get curr user", e); Assert.fail(); } for (int nmId = 0; nmId < NUM_NODEMANAGERS; nmId++) { NodeManager nm = yarnCluster.getNodeManager(nmId); ConcurrentMap<ContainerId, Container> containers = nm.getNMContext().getContainers(); for (Map.Entry<ContainerId, Container> entry : containers.entrySet()) { String command = Joiner.on(" ").join(entry.getValue().getLaunchContext().getCommands()); if (command.contains(YarnTaskManager.class.getSimpleName())) { taskManagerContainer = entry.getKey(); nodeManager = nm; nmIdent = new NMTokenIdentifier(taskManagerContainer.getApplicationAttemptId(), null, "", 0); // allow myself to do stuff with the container // remoteUgi.addCredentials(entry.getValue().getCredentials()); remoteUgi.addTokenIdentifier(nmIdent); } } sleep(500); } Assert.assertNotNull("Unable to find container with TaskManager", taskManagerContainer); Assert.assertNotNull("Illegal state", nodeManager); try { List<NodeReport> nodeReports = yc.getNodeReports(NodeState.RUNNING); // we asked for one node with 2 vcores so we expect 2 vcores int userVcores = 0; for (NodeReport rep : nodeReports) { userVcores += rep.getUsed().getVirtualCores(); } Assert.assertEquals(2, userVcores); } catch (Exception e) { Assert.fail("Test failed: " + e.getMessage()); } yc.stop(); List<ContainerId> toStop = new LinkedList<ContainerId>(); toStop.add(taskManagerContainer); StopContainersRequest scr = StopContainersRequest.newInstance(toStop); try { nodeManager.getNMContext().getContainerManager().stopContainers(scr); } catch (Throwable e) { LOG.warn("Error stopping container", e); Assert.fail("Error stopping container: " + e.getMessage()); } // stateful termination check: // wait until we saw a container being killed and AFTERWARDS a new one launched boolean ok = false; do { LOG.debug("Waiting for correct order of events. Output: {}", errContent.toString()); String o = errContent.toString(); int killedOff = o.indexOf("Container killed by the ApplicationMaster"); if (killedOff != -1) { o = o.substring(killedOff); ok = o.indexOf("Launching TaskManager") > 0; } sleep(1000); } while (!ok); // send "stop" command to command line interface runner.sendStop(); // wait for the thread to stop try { runner.join(1000); } catch (InterruptedException e) { LOG.warn("Interrupted while stopping runner", e); } LOG.warn("stopped"); // ----------- Send output to logger System.setOut(originalStdout); System.setErr(originalStderr); String oC = outContent.toString(); String eC = errContent.toString(); LOG.info("Sending stdout content through logger: \n\n{}\n\n", oC); LOG.info("Sending stderr content through logger: \n\n{}\n\n", eC); // ------ Check if everything happened correctly Assert.assertTrue("Expect to see failed container", eC.contains("New messages from the YARN cluster")); Assert.assertTrue("Expect to see failed container", eC.contains("Container killed by the ApplicationMaster")); Assert.assertTrue("Expect to see new container started", eC.contains("Launching TaskManager") && eC.contains("on host")); // cleanup auth for the subsequent tests. remoteUgi.getTokenIdentifiers().remove(nmIdent); LOG.info("Finished testTaskManagerFailure()"); }
From source file:org.apache.flink.yarn.YARNSessionFIFOITCase.java
License:Apache License
/** * Test regular operation, including command line parameter parsing. *//*from w w w. j a v a2s . c om*/ @Test(timeout = 60000) // timeout after a minute. public void testDetachedMode() { LOG.info("Starting testDetachedMode()"); addTestAppender(FlinkYarnSessionCli.class, Level.INFO); Runner runner = startWithArgs(new String[] { "-j", flinkUberjar.getAbsolutePath(), "-t", flinkLibFolder.getAbsolutePath(), "-n", "1", "-jm", "768", "-tm", "1024", "--name", "MyCustomName", // test setting a custom name "--detached" }, "Flink JobManager is now running on", RunTypes.YARN_SESSION); checkForLogString("The Flink YARN client has been started in detached mode"); Assert.assertFalse("The runner should detach.", runner.isAlive()); LOG.info("Waiting until two containers are running"); // wait until two containers are running while (getRunningContainers() < 2) { sleep(500); } LOG.info("Two containers are running. Killing the application"); // kill application "externally". try { YarnClient yc = YarnClient.createYarnClient(); yc.init(yarnConfiguration); yc.start(); List<ApplicationReport> apps = yc.getApplications(EnumSet.of(YarnApplicationState.RUNNING)); Assert.assertEquals(1, apps.size()); // Only one running ApplicationReport app = apps.get(0); Assert.assertEquals("MyCustomName", app.getName()); ApplicationId id = app.getApplicationId(); yc.killApplication(id); while (yc.getApplications(EnumSet.of(YarnApplicationState.KILLED)).size() == 0) { sleep(500); } } catch (Throwable t) { LOG.warn("Killing failed", t); Assert.fail(); } LOG.info("Finished testDetachedMode()"); }
From source file:org.apache.gobblin.yarn.GobblinYarnAppLauncher.java
License:Apache License
/** * Setup and submit the Gobblin Yarn application. * * @throws IOException if there's anything wrong setting up and submitting the Yarn application * @throws YarnException if there's anything wrong setting up and submitting the Yarn application *///from ww w . j a v a 2s .c om @VisibleForTesting ApplicationId setupAndSubmitApplication() throws IOException, YarnException { YarnClientApplication gobblinYarnApp = this.yarnClient.createApplication(); ApplicationSubmissionContext appSubmissionContext = gobblinYarnApp.getApplicationSubmissionContext(); appSubmissionContext.setApplicationType(GOBBLIN_YARN_APPLICATION_TYPE); ApplicationId applicationId = appSubmissionContext.getApplicationId(); GetNewApplicationResponse newApplicationResponse = gobblinYarnApp.getNewApplicationResponse(); // Set up resource type requirements for ApplicationMaster Resource resource = prepareContainerResource(newApplicationResponse); // Add lib jars, and jars and files that the ApplicationMaster need as LocalResources Map<String, LocalResource> appMasterLocalResources = addAppMasterLocalResources(applicationId); ContainerLaunchContext amContainerLaunchContext = Records.newRecord(ContainerLaunchContext.class); amContainerLaunchContext.setLocalResources(appMasterLocalResources); amContainerLaunchContext.setEnvironment(YarnHelixUtils.getEnvironmentVariables(this.yarnConfiguration)); amContainerLaunchContext .setCommands(Lists.newArrayList(buildApplicationMasterCommand(resource.getMemory()))); Map<ApplicationAccessType, String> acls = new HashMap<>(1); acls.put(ApplicationAccessType.VIEW_APP, this.appViewAcl); amContainerLaunchContext.setApplicationACLs(acls); if (UserGroupInformation.isSecurityEnabled()) { setupSecurityTokens(amContainerLaunchContext); } // Setup the application submission context appSubmissionContext.setApplicationName(this.applicationName); appSubmissionContext.setResource(resource); appSubmissionContext.setQueue(this.appQueueName); appSubmissionContext.setPriority(Priority.newInstance(0)); appSubmissionContext.setAMContainerSpec(amContainerLaunchContext); // Also setup container local resources by copying local jars and files the container need to HDFS addContainerLocalResources(applicationId); // Submit the application LOGGER.info("Submitting application " + applicationId); this.yarnClient.submitApplication(appSubmissionContext); LOGGER.info("Application successfully submitted and accepted"); ApplicationReport applicationReport = this.yarnClient.getApplicationReport(applicationId); LOGGER.info("Application Name: " + applicationReport.getName()); LOGGER.info("Application Tracking URL: " + applicationReport.getTrackingUrl()); LOGGER.info("Application User: " + applicationReport.getUser() + " Queue: " + applicationReport.getQueue()); return applicationId; }
From source file:org.apache.hoya.tools.HoyaUtils.java
License:Apache License
public static String appReportToString(ApplicationReport r, String separator) { StringBuilder builder = new StringBuilder(512); builder.append("application ").append(r.getName()).append("/").append(r.getApplicationType()); builder.append(separator).append("state: ").append(r.getYarnApplicationState()); builder.append(separator).append("URL: ").append(r.getTrackingUrl()); builder.append(separator).append("Started ").append(new Date(r.getStartTime()).toGMTString()); long finishTime = r.getFinishTime(); if (finishTime > 0) { builder.append(separator).append("Finished ").append(new Date(finishTime).toGMTString()); }/*from ww w . j av a 2s . com*/ builder.append(separator).append("RPC :").append(r.getHost()).append(':').append(r.getRpcPort()); String diagnostics = r.getDiagnostics(); if (!diagnostics.isEmpty()) { builder.append(separator).append("Diagnostics :").append(diagnostics); } return builder.toString(); }
From source file:org.apache.hoya.tools.HoyaUtils.java
License:Apache License
/** * convert an AM report to a string for diagnostics * @param report the report// w w w. ja va 2 s. c om * @return the string value */ public static String reportToString(ApplicationReport report) { if (report == null) { return "Null application report"; } return "App " + report.getName() + "/" + report.getApplicationType() + "# " + report.getApplicationId() + " user " + report.getUser() + " is in state " + report.getYarnApplicationState() + "RPC: " + report.getHost() + ":" + report.getRpcPort(); }
From source file:org.apache.hoya.yarn.appmaster.rpc.RpcBinder.java
License:Apache License
public static HoyaClusterProtocol getProxy(final Configuration conf, ApplicationReport application, final int rpcTimeout) throws IOException, HoyaException, InterruptedException { String host = application.getHost(); int port = application.getRpcPort(); String address = host + ":" + port; if (host == null || 0 == port) { throw new HoyaException(HoyaExitCodes.EXIT_CONNECTIVITY_PROBLEM, "Hoya YARN instance " + application.getName() + " isn't providing a valid address for the" + " Hoya RPC protocol: " + address); }// w ww.j a v a 2 s. c om UserGroupInformation currentUser = UserGroupInformation.getCurrentUser(); final UserGroupInformation newUgi = UserGroupInformation.createRemoteUser(currentUser.getUserName()); final InetSocketAddress serviceAddr = NetUtils.createSocketAddrForHost(application.getHost(), application.getRpcPort()); HoyaClusterProtocol realProxy; log.debug("Connecting to {}", serviceAddr); if (UserGroupInformation.isSecurityEnabled()) { org.apache.hadoop.yarn.api.records.Token clientToAMToken = application.getClientToAMToken(); Token<ClientToAMTokenIdentifier> token = ConverterUtils.convertFromYarn(clientToAMToken, serviceAddr); newUgi.addToken(token); realProxy = newUgi.doAs(new PrivilegedExceptionAction<HoyaClusterProtocol>() { @Override public HoyaClusterProtocol run() throws IOException { return connectToServer(serviceAddr, newUgi, conf, rpcTimeout); } }); } else { return connectToServer(serviceAddr, newUgi, conf, rpcTimeout); } return realProxy; }
From source file:org.apache.hoya.yarn.client.HoyaYarnClientImpl.java
License:Apache License
/** * find all instances of a specific app -if there is >1 in the cluster, * this returns them all/* w ww . j a v a 2 s .c om*/ * @param user user * @param appname application name * @return the list of all matching application instances */ @VisibleForTesting public List<ApplicationReport> findAllInstances(String user, String appname) throws IOException, YarnException { List<ApplicationReport> instances = listInstances(user); List<ApplicationReport> results = new ArrayList<ApplicationReport>(instances.size()); for (ApplicationReport report : instances) { if (report.getName().equals(appname)) { results.add(report); } } return results; }
From source file:org.apache.hoya.yarn.client.HoyaYarnClientImpl.java
License:Apache License
/** * find all live instances of a specific app -if there is >1 in the cluster, * this returns them all. State should be running or less * @param user user// ww w . ja va 2 s . c o m * @param appname application name * @return the list of all matching application instances */ public List<ApplicationReport> findAllLiveInstances(String user, String appname) throws YarnException, IOException { List<ApplicationReport> instances = listInstances(user); List<ApplicationReport> results = new ArrayList<ApplicationReport>(instances.size()); for (ApplicationReport app : instances) { if (app.getName().equals(appname) && isApplicationLive(app)) { results.add(app); } } return results; }