Example usage for org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher ContainerLaunch CONTAINER_SCRIPT

Introduction

In this page you can find the example usage for org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher ContainerLaunch CONTAINER_SCRIPT.

Prototype

String CONTAINER_SCRIPT

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Usage

From source file:oz.hadoop.yarn.test.cluster.InJvmContainerExecutor.java

License:Apache License

/**
 * Most of this code is copied from the super class's launchContainer method (unfortunately), since directory
 * and other preparation logic is tightly coupled with the actual container launch.
 * Would be nice if it was broken apart where launch method would be invoked when
 * everything is prepared//from   w w w  .  j av  a  2s .  c o  m
 */
private void prepareContainerDirectories(Container container, Path nmPrivateContainerScriptPath,
        Path nmPrivateTokensPath, String userName, String appId, Path containerWorkDir, List<String> localDirs,
        List<String> logDirs) {

    FsPermission dirPerm = new FsPermission(APPDIR_PERM);
    ContainerId containerId = container.getContainerId();
    String containerIdStr = ConverterUtils.toString(containerId);
    String appIdStr = ConverterUtils.toString(containerId.getApplicationAttemptId().getApplicationId());

    try {
        for (String sLocalDir : localDirs) {
            Path usersdir = new Path(sLocalDir, ContainerLocalizer.USERCACHE);
            Path userdir = new Path(usersdir, userName);
            Path appCacheDir = new Path(userdir, ContainerLocalizer.APPCACHE);
            Path appDir = new Path(appCacheDir, appIdStr);
            Path containerDir = new Path(appDir, containerIdStr);
            createDir(containerDir, dirPerm, true);
        }

        // Create the container log-dirs on all disks
        this.createLogDirs(appIdStr, containerIdStr, logDirs);

        Path tmpDir = new Path(containerWorkDir, YarnConfiguration.DEFAULT_CONTAINER_TEMP_DIR);
        createDir(tmpDir, dirPerm, false);

        // copy launch script to work dir
        Path launchDst = new Path(containerWorkDir, ContainerLaunch.CONTAINER_SCRIPT);
        fc.util().copy(nmPrivateContainerScriptPath, launchDst);

        // copy container tokens to work dir
        Path tokenDst = new Path(containerWorkDir, ContainerLaunch.FINAL_CONTAINER_TOKENS_FILE);
        fc.util().copy(nmPrivateTokensPath, tokenDst);
    } catch (Exception e) {
        throw new IllegalStateException("Failed to prepare container directories for container " + container,
                e);
    }
}

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