Example usage for com.amazonaws.services.elasticmapreduce.model JobFlowInstancesDetail getMasterInstanceId

Introduction

In this page you can find the example usage for com.amazonaws.services.elasticmapreduce.model JobFlowInstancesDetail getMasterInstanceId.

Prototype

public String getMasterInstanceId() 

Source Link

Document

The Amazon EC2 instance identifier of the master node.

Usage

From source file:org.huahinframework.emanager.util.JobUtils.java

License:Apache License

public static JSONObject getJobFlow(String jobFlow, AmazonElasticMapReduce emr) {
    DescribeJobFlowsRequest describeJobFlowsRequest = new DescribeJobFlowsRequest().withJobFlowIds(jobFlow);
    DescribeJobFlowsResult describeJobFlowsResult = emr.describeJobFlows(describeJobFlowsRequest);
    if (describeJobFlowsResult.getJobFlows().size() != 1) {
        return new JSONObject();
    }/*w w w  .j a  v  a 2 s .  c  o m*/

    JobFlowDetail jobFlowDetail = describeJobFlowsResult.getJobFlows().get(0);
    JobFlowExecutionStatusDetail executionStatusDetail = jobFlowDetail.getExecutionStatusDetail();
    JobFlowInstancesDetail instancesDetail = jobFlowDetail.getInstances();

    Map<String, Object> m = new HashMap<String, Object>();
    m.put(Response.JOB_FLOW, jobFlowDetail.getJobFlowId());
    m.put(Response.STATE, executionStatusDetail.getState());
    m.put(Response.CREATION_DATE, executionStatusDetail.getCreationDateTime().toString());
    m.put(Response.START_DATE, object2String(executionStatusDetail.getStartDateTime(), true));
    m.put(Response.END_DATE, object2String(executionStatusDetail.getEndDateTime(), true));
    m.put(Response.AMI_VERSION, object2String(jobFlowDetail.getAmiVersion(), false));
    m.put(Response.NAME, jobFlowDetail.getName());
    m.put(Response.LOG_URI, object2String(jobFlowDetail.getLogUri(), false));

    if (!isEmpty(jobFlowDetail.getSupportedProducts())) {
        m.put(Response.SUPPORTED_PRODUCTS, jobFlowDetail.getSupportedProducts());
    }

    m.put(Response.EC2_KEY_NAME, object2String(instancesDetail.getEc2KeyName(), false));
    m.put(Response.EC2_SUBNET_ID, object2String(instancesDetail.getEc2SubnetId(), false));
    m.put(Response.HADOOP_VERSION, object2String(instancesDetail.getHadoopVersion(), false));
    m.put(Response.INSTANCE_COUNT, integer2String(instancesDetail.getInstanceCount()));
    m.put(Response.KEEP_JOB_FLOW_ALIVE_WHEN_NO_STEPS,
            object2String(instancesDetail.getKeepJobFlowAliveWhenNoSteps(), true));
    m.put(Response.MASTER_INSTANCE_ID, object2String(instancesDetail.getMasterInstanceId(), false));
    m.put(Response.MASTER_INSTANCE_TYPE, object2String(instancesDetail.getMasterInstanceType(), false));
    m.put(Response.MASTER_PUBLIC_DNS_NAME, object2String(instancesDetail.getMasterPublicDnsName(), false));
    m.put(Response.AVAILABILITY_ZONE,
            object2String(instancesDetail.getPlacement().getAvailabilityZone(), false));
    m.put(Response.SLAVE_INSTANCE_TYPE, object2String(instancesDetail.getSlaveInstanceType(), false));

    if (!isEmpty(jobFlowDetail.getBootstrapActions())) {
        List<Object> l = new ArrayList<Object>();
        for (BootstrapActionDetail bad : jobFlowDetail.getBootstrapActions()) {
            Map<String, Object> mm = new HashMap<String, Object>();

            BootstrapActionConfig bac = bad.getBootstrapActionConfig();
            ScriptBootstrapActionConfig sbac = bac.getScriptBootstrapAction();

            mm.put(Response.NAME, object2String(bac.getName(), false));
            mm.put(Response.PATH, object2String(sbac.getPath(), false));

            if (!isEmpty(sbac.getArgs())) {
                mm.put(Response.ARGS, sbac.getArgs());
            }
            l.add(mm);
        }
        m.put(Response.BOOTSTRAP_ACTIONS, l);
    }

    if (!isEmpty(jobFlowDetail.getSteps())) {
        List<Object> l = new ArrayList<Object>();
        for (StepDetail sd : jobFlowDetail.getSteps()) {
            Map<String, Object> mm = new HashMap<String, Object>();
            StepConfig sc = sd.getStepConfig();
            StepExecutionStatusDetail sesd = sd.getExecutionStatusDetail();

            mm.put(Response.NAME, sc.getName());
            mm.put(Response.ACTION_ON_FAILURE, sc.getActionOnFailure());
            mm.put(Response.STATE, object2String(sesd.getState(), false));
            mm.put(Response.CREATION_DATE, object2String(sesd.getCreationDateTime(), true));
            mm.put(Response.START_DATE, object2String(sesd.getStartDateTime(), true));
            mm.put(Response.END_DATE, object2String(sesd.getEndDateTime(), true));

            HadoopJarStepConfig hjsc = sc.getHadoopJarStep();
            mm.put(Response.JAR, object2String(hjsc.getJar(), false));
            mm.put(Response.MAIN_CLASS, object2String(hjsc.getMainClass(), false));

            if (!isEmpty(hjsc.getArgs())) {
                mm.put(Response.ARGS, hjsc.getArgs());
            }

            l.add(mm);
        }
        m.put(Response.STEPS, l);
    }

    return new JSONObject(m);
}

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