Examples with ZKDiscoveryService com.continuuity.weave.discovery.ZKDiscoveryService used on opensource projects

Example 1 with ZKDiscoveryService

use of com.continuuity.weave.discovery.ZKDiscoveryService in project weave by continuuity.

the class WeaveContainerMain method main.

/**
   * Main method for launching a {@link WeaveContainerService} which runs
   * a {@link com.continuuity.weave.api.WeaveRunnable}.
   */
public static void main(final String[] args) throws Exception {
    // Try to load the secure store from localized file, which AM requested RM to localize it for this container.
    loadSecureStore();
    String zkConnectStr = System.getenv(EnvKeys.WEAVE_ZK_CONNECT);
    File weaveSpecFile = new File(Constants.Files.WEAVE_SPEC);
    RunId appRunId = RunIds.fromString(System.getenv(EnvKeys.WEAVE_APP_RUN_ID));
    RunId runId = RunIds.fromString(System.getenv(EnvKeys.WEAVE_RUN_ID));
    String runnableName = System.getenv(EnvKeys.WEAVE_RUNNABLE_NAME);
    int instanceId = Integer.parseInt(System.getenv(EnvKeys.WEAVE_INSTANCE_ID));
    int instanceCount = Integer.parseInt(System.getenv(EnvKeys.WEAVE_INSTANCE_COUNT));
    ZKClientService zkClientService = ZKClientServices.delegate(ZKClients.reWatchOnExpire(ZKClients.retryOnFailure(ZKClientService.Builder.of(zkConnectStr).build(), RetryStrategies.fixDelay(1, TimeUnit.SECONDS))));
    DiscoveryService discoveryService = new ZKDiscoveryService(zkClientService);
    WeaveSpecification weaveSpec = loadWeaveSpec(weaveSpecFile);
    renameLocalFiles(weaveSpec.getRunnables().get(runnableName));
    WeaveRunnableSpecification runnableSpec = weaveSpec.getRunnables().get(runnableName).getRunnableSpecification();
    ContainerInfo containerInfo = new EnvContainerInfo();
    Arguments arguments = decodeArgs();
    BasicWeaveContext context = new BasicWeaveContext(runId, appRunId, containerInfo.getHost(), arguments.getRunnableArguments().get(runnableName).toArray(new String[0]), arguments.getArguments().toArray(new String[0]), runnableSpec, instanceId, discoveryService, instanceCount, containerInfo.getMemoryMB(), containerInfo.getVirtualCores());
    Configuration conf = new YarnConfiguration(new HdfsConfiguration(new Configuration()));
    Service service = new WeaveContainerService(context, containerInfo, getContainerZKClient(zkClientService, appRunId, runnableName), runId, runnableSpec, getClassLoader(), createAppLocation(conf));
    new WeaveContainerMain().doMain(zkClientService, service);
}