Package org.apache.hadoop.yarn.server.api

Examples of org.apache.hadoop.yarn.server.api.AuxiliaryService

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              String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, sName), null,
              AuxiliaryService.class);
        if (null == sClass) {
          throw new RuntimeException("No class defined for " + sName);
        }
        AuxiliaryService s = ReflectionUtils.newInstance(sClass, conf);
        // TODO better use s.getName()?
        if(!sName.equals(s.getName())) {
          LOG.warn("The Auxilurary Service named '"+sName+"' in the "
                  +"configuration is for class "+sClass+" which has "
                  +"a name of '"+s.getName()+"'. Because these are "
                  +"not the same tools trying to send ServiceData and read "
                  +"Service Meta Data may have issues unless the refer to "
                  +"the name in the config.");
        }
        addService(sName, s);
        s.init(conf);
      } catch (RuntimeException e) {
        LOG.fatal("Failed to initialize " + sName, e);
        throw e;
      }
    }
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  @Override
  public void serviceStart() throws Exception {
    // TODO fork(?) services running as configured user
    //      monitor for health, shutdown/restart(?) if any should die
    for (Map.Entry<String, AuxiliaryService> entry : serviceMap.entrySet()) {
      AuxiliaryService service = entry.getValue();
      String name = entry.getKey();
      service.start();
      service.registerServiceListener(this);
      ByteBuffer meta = service.getMetaData();
      if(meta != null) {
        serviceMetaData.put(name, meta);
      }
    }
    super.serviceStart();
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    LOG.info("Got event " + event.getType() + " for appId "
        + event.getApplicationID());
    switch (event.getType()) {
    case APPLICATION_INIT:
      LOG.info("Got APPLICATION_INIT for service " + event.getServiceID());
      AuxiliaryService service = serviceMap.get(event.getServiceID());
      if (null == service) {
        LOG.info("service is null");
        // TODO kill all containers waiting on Application
        return;
      }
      service.initializeApplication(new ApplicationInitializationContext(event
        .getUser(), event.getApplicationID(), event.getServiceData()));
      break;
    case APPLICATION_STOP:
      for (AuxiliaryService serv : serviceMap.values()) {
        serv.stopApplication(new ApplicationTerminationContext(event
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              String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, sName), null,
              AuxiliaryService.class);
        if (null == sClass) {
          throw new RuntimeException("No class defined for " + sName);
        }
        AuxiliaryService s = ReflectionUtils.newInstance(sClass, conf);
        // TODO better use s.getName()?
        if(!sName.equals(s.getName())) {
          LOG.warn("The Auxilurary Service named '"+sName+"' in the "
                  +"configuration is for class "+sClass+" which has "
                  +"a name of '"+s.getName()+"'. Because these are "
                  +"not the same tools trying to send ServiceData and read "
                  +"Service Meta Data may have issues unless the refer to "
                  +"the name in the config.");
        }
        addService(sName, s);
        if (recoveryEnabled) {
          Path storePath = new Path(stateStoreRoot, sName);
          stateStoreFs.mkdirs(storePath, storeDirPerms);
          s.setRecoveryPath(storePath);
        }
        s.init(conf);
      } catch (RuntimeException e) {
        LOG.fatal("Failed to initialize " + sName, e);
        throw e;
      }
    }
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  @Override
  public void serviceStart() throws Exception {
    // TODO fork(?) services running as configured user
    //      monitor for health, shutdown/restart(?) if any should die
    for (Map.Entry<String, AuxiliaryService> entry : serviceMap.entrySet()) {
      AuxiliaryService service = entry.getValue();
      String name = entry.getKey();
      service.start();
      service.registerServiceListener(this);
      ByteBuffer meta = service.getMetaData();
      if(meta != null) {
        serviceMetaData.put(name, meta);
      }
    }
    super.serviceStart();
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    LOG.info("Got event " + event.getType() + " for appId "
        + event.getApplicationID());
    switch (event.getType()) {
      case APPLICATION_INIT:
        LOG.info("Got APPLICATION_INIT for service " + event.getServiceID());
        AuxiliaryService service = null;
        try {
          service = serviceMap.get(event.getServiceID());
          service
              .initializeApplication(new ApplicationInitializationContext(event
                  .getUser(), event.getApplicationID(), event.getServiceData()));
        } catch (Throwable th) {
          logWarningWhenAuxServiceThrowExceptions(service,
              AuxServicesEventType.APPLICATION_INIT, th);
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    LOG.info("Got event " + event.getType() + " for appId "
        + event.getApplicationID());
    switch (event.getType()) {
    case APPLICATION_INIT:
      LOG.info("Got APPLICATION_INIT for service " + event.getServiceID());
      AuxiliaryService service = serviceMap.get(event.getServiceID());
      if (null == service) {
        LOG.info("service is null");
        // TODO kill all containers waiting on Application
        return;
      }
      service.initializeApplication(new ApplicationInitializationContext(event
        .getUser(), event.getApplicationID(), event.getServiceData()));
      break;
    case APPLICATION_STOP:
      for (AuxiliaryService serv : serviceMap.values()) {
        serv.stopApplication(new ApplicationTerminationContext(event
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              String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, sName), null,
              AuxiliaryService.class);
        if (null == sClass) {
          throw new RuntimeException("No class defined for " + sName);
        }
        AuxiliaryService s = ReflectionUtils.newInstance(sClass, conf);
        // TODO better use s.getName()?
        if(!sName.equals(s.getName())) {
          LOG.warn("The Auxilurary Service named '"+sName+"' in the "
                  +"configuration is for class "+sClass+" which has "
                  +"a name of '"+s.getName()+"'. Because these are "
                  +"not the same tools trying to send ServiceData and read "
                  +"Service Meta Data may have issues unless the refer to "
                  +"the name in the config.");
        }
        addService(sName, s);
        s.init(conf);
      } catch (RuntimeException e) {
        LOG.fatal("Failed to initialize " + sName, e);
        throw e;
      }
    }
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  @Override
  public void serviceStart() throws Exception {
    // TODO fork(?) services running as configured user
    //      monitor for health, shutdown/restart(?) if any should die
    for (Map.Entry<String, AuxiliaryService> entry : serviceMap.entrySet()) {
      AuxiliaryService service = entry.getValue();
      String name = entry.getKey();
      service.start();
      service.registerServiceListener(this);
      ByteBuffer meta = service.getMetaData();
      if(meta != null) {
        serviceMetaData.put(name, meta);
      }
    }
    super.serviceStart();
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              String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, sName), null,
              AuxiliaryService.class);
        if (null == sClass) {
          throw new RuntimeException("No class defined for " + sName);
        }
        AuxiliaryService s = ReflectionUtils.newInstance(sClass, conf);
        // TODO better use s.getName()?
        if(!sName.equals(s.getName())) {
          LOG.warn("The Auxilurary Service named '"+sName+"' in the "
                  +"configuration is for class "+sClass+" which has "
                  +"a name of '"+s.getName()+"'. Because these are "
                  +"not the same tools trying to send ServiceData and read "
                  +"Service Meta Data may have issues unless the refer to "
                  +"the name in the config.");
        }
        addService(sName, s);
        s.init(conf);
      } catch (RuntimeException e) {
        LOG.fatal("Failed to initialize " + sName, e);
        throw e;
      }
    }
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Related Classes of org.apache.hadoop.yarn.server.api.AuxiliaryService

  • org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices
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