Examples with DelegatingLinuxContainerRuntime org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DelegatingLinuxContainerRuntime used on opensource projects

Example 1 with DelegatingLinuxContainerRuntime

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DelegatingLinuxContainerRuntime in project hadoop by apache.

the class LinuxContainerExecutor method init.

@Override
public void init() throws IOException {
    Configuration conf = super.getConf();
    // verify configuration/permissions and exit
    try {
        PrivilegedOperation checkSetupOp = new PrivilegedOperation(PrivilegedOperation.OperationType.CHECK_SETUP);
        PrivilegedOperationExecutor privilegedOperationExecutor = PrivilegedOperationExecutor.getInstance(conf);
        privilegedOperationExecutor.executePrivilegedOperation(checkSetupOp, false);
    } catch (PrivilegedOperationException e) {
        int exitCode = e.getExitCode();
        LOG.warn("Exit code from container executor initialization is : " + exitCode, e);
        throw new IOException("Linux container executor not configured properly" + " (error=" + exitCode + ")", e);
    }
    try {
        resourceHandlerChain = ResourceHandlerModule.getConfiguredResourceHandlerChain(conf);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Resource handler chain enabled = " + (resourceHandlerChain == null));
        }
        if (resourceHandlerChain != null) {
            LOG.debug("Bootstrapping resource handler chain");
            resourceHandlerChain.bootstrap(conf);
        }
    } catch (ResourceHandlerException e) {
        LOG.error("Failed to bootstrap configured resource subsystems! ", e);
        throw new IOException("Failed to bootstrap configured resource subsystems!");
    }
    try {
        if (linuxContainerRuntime == null) {
            LinuxContainerRuntime runtime = new DelegatingLinuxContainerRuntime();
            runtime.initialize(conf);
            this.linuxContainerRuntime = runtime;
        }
    } catch (ContainerExecutionException e) {
        LOG.error("Failed to initialize linux container runtime(s)!", e);
        throw new IOException("Failed to initialize linux container runtime(s)!");
    }
    resourcesHandler.init(this);
}