Examples with DeprovisionTask io.cdap.cdap.internal.provision.task.DeprovisionTask used on opensource projects

Example 1 with DeprovisionTask

use of io.cdap.cdap.internal.provision.task.DeprovisionTask in project cdap by caskdata.

the class ProvisioningService method createDeprovisionTask.

private Runnable createDeprovisionTask(ProvisioningTaskInfo taskInfo, Provisioner provisioner, Consumer<ProgramRunId> taskCleanup) {
    Map<String, String> properties = taskInfo.getProvisionerProperties();
    ProvisionerContext context;
    SSHKeyPair sshKeyPair = null;
    try {
        sshKeyPair = createSSHKeyPair(taskInfo);
    } catch (IOException e) {
        LOG.warn("Failed to load ssh key. No SSH key will be available for the deprovision task", e);
    }
    ProgramRunId programRunId = taskInfo.getProgramRunId();
    Map<String, String> systemArgs = taskInfo.getProgramOptions().getArguments().asMap();
    try {
        SSHContext sshContext = new DefaultSSHContext(Networks.getAddress(cConf, Constants.NETWORK_PROXY_ADDRESS), null, sshKeyPair);
        context = createContext(cConf, taskInfo.getProgramOptions(), programRunId, taskInfo.getUser(), properties, sshContext);
    } catch (InvalidMacroException e) {
        runWithProgramLogging(programRunId, systemArgs, () -> LOG.error("Could not evaluate macros while deprovisoning. " + "The cluster will be marked as orphaned.", e));
        provisionerNotifier.orphaned(programRunId);
        return () -> {
        };
    }
    DeprovisionTask task = new DeprovisionTask(taskInfo, transactionRunner, 300, provisioner, context, provisionerNotifier, locationFactory);
    ProvisioningTaskKey taskKey = new ProvisioningTaskKey(programRunId, ProvisioningOp.Type.DEPROVISION);
    return () -> taskExecutor.submit(taskKey, () -> callWithProgramLogging(programRunId, systemArgs, () -> {
        try {
            long delay = task.executeOnce();
            if (delay < 0) {
                taskCleanup.accept(programRunId);
            }
            return delay;
        } catch (InterruptedException e) {
            // We can get interrupted if the task is cancelled or CDAP is stopped. In either case, just return.
            // If it was cancelled, state cleanup is left to the caller. If it was CDAP master stopping, the task
            // will be resumed on master startup
            LOG.debug("Deprovision task for program run {} interrupted.", programRunId);
            throw e;
        } catch (Exception e) {
            // Otherwise, if there was an error deprovisioning, run the cleanup
            LOG.info("Deprovision task for program run {} failed.", programRunId, e);
            taskCleanup.accept(programRunId);
            throw e;
        }
    }));
}