Example usage for org.apache.hadoop.registry.client.types.yarn PersistencePolicies APPLICATION

Introduction

In this page you can find the example usage for org.apache.hadoop.registry.client.types.yarn PersistencePolicies APPLICATION.

Prototype

String APPLICATION

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Document

Remove when the YARN application defined in the id field terminates: .

Usage

From source file:org.apache.slider.providers.hbase.HBaseProviderService.java

License:Apache License

private void registerHBaseServiceEntry() throws IOException {

    String name = amState.getApplicationName();
    ServiceRecord serviceRecord = new ServiceRecord();
    // bond lifespan to the application
    serviceRecord.set(YarnRegistryAttributes.YARN_ID,
            yarnRegistry.getApplicationAttemptId().getApplicationId().toString());
    serviceRecord.set(YarnRegistryAttributes.YARN_PERSISTENCE, PersistencePolicies.APPLICATION);
    try {//from w  ww  .  ja va  2  s .c o m
        URL configURL = new URL(amWebAPI, SLIDER_PATH_PUBLISHER + "/" + HBASE_SERVICE_TYPE);

        serviceRecord.addExternalEndpoint(RegistryTypeUtils
                .restEndpoint(CustomRegistryConstants.PUBLISHER_CONFIGURATIONS_API, configURL.toURI()));
    } catch (URISyntaxException e) {
        log.warn("failed to create config URL: {}", e, e);
    }
    log.info("registering {}/{}", name, HBASE_SERVICE_TYPE);
    yarnRegistry.putService(HBASE_SERVICE_TYPE, name, serviceRecord, true);

    PublishedConfiguration publishedSite = new PublishedConfiguration("HBase site", siteConf);
    PublishedConfigSet configSet = amState.getOrCreatePublishedConfigSet(HBASE_SERVICE_TYPE);

    configSet.put(HBASE_SITE_PUBLISHED_CONFIG, publishedSite);
}

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From source file:org.apache.slider.server.appmaster.SliderAppMaster.java

License:Apache License

/**
 * This registers the service instance and its external values
 * @param instanceName name of this instance
 * @param appid application ID//  w ww.ja  v  a  2  s.  c om
 * @throws IOException
 */
private void registerServiceInstance(String instanceName, ApplicationId appid) throws IOException {

    // the registry is running, so register services
    URL amWebURI = new URL(appMasterTrackingUrl);
    URL agentOpsURI = new URL(agentOpsUrl);
    URL agentStatusURI = new URL(agentStatusUrl);

    //Give the provider restricted access to the state, registry
    setupInitialRegistryPaths();
    yarnRegistryOperations = new YarnRegistryViewForProviders(registryOperations, service_user_name,
            SliderKeys.APP_TYPE, instanceName, appAttemptID);
    providerService.bindToYarnRegistry(yarnRegistryOperations);
    sliderAMProvider.bindToYarnRegistry(yarnRegistryOperations);

    // Yarn registry
    ServiceRecord serviceRecord = new ServiceRecord();
    serviceRecord.set(YarnRegistryAttributes.YARN_ID, appid.toString());
    serviceRecord.set(YarnRegistryAttributes.YARN_PERSISTENCE, PersistencePolicies.APPLICATION);
    serviceRecord.description = "Slider Application Master";

    /* SLIDER-531: disable this addition so things compile against versions of
    the registry with/without the new record format
            
        serviceRecord.addExternalEndpoint(
            RegistryTypeUtils.ipcEndpoint(
    CustomRegistryConstants.AM_IPC_PROTOCOL,
    rpcServiceAddress));
            
        */
    // internal services
    sliderAMProvider.applyInitialRegistryDefinitions(amWebURI, agentOpsURI, agentStatusURI, serviceRecord);

    // provider service dynamic definitions.
    providerService.applyInitialRegistryDefinitions(amWebURI, agentOpsURI, agentStatusURI, serviceRecord);

    // register the service's entry
    log.info("Service Record \n{}", serviceRecord);
    yarnRegistryOperations.registerSelf(serviceRecord, true);
    log.info("Registered service under {}; absolute path {}", yarnRegistryOperations.getSelfRegistrationPath(),
            yarnRegistryOperations.getAbsoluteSelfRegistrationPath());

    boolean isFirstAttempt = 1 == appAttemptID.getAttemptId();
    // delete the children in case there are any and this is an AM startup.
    // just to make sure everything underneath is purged
    if (isFirstAttempt) {
        yarnRegistryOperations.deleteChildren(yarnRegistryOperations.getSelfRegistrationPath(), true);
    }
}

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