Example usage for com.amazonaws.services.elasticmapreduce.model InstanceGroupType MASTER

Introduction

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

Prototype

InstanceGroupType MASTER

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Usage

From source file:org.finra.dm.dao.impl.EmrDaoImpl.java

License:Apache License

/**
 * Add Security groups to the master node of EMR cluster.
 *
 * @param clusterName EMR cluster name./*from www .  j a  va2 s . c  om*/
 * @param securityGroups the security groups list.
 * @param awsParams the proxy details.
 *
 * @return the security groups that were added.
 */
@Override
public List<String> addEmrMasterSecurityGroups(String clusterName, List<String> securityGroups,
        AwsParamsDto awsParams) throws Exception {
    // Look up cluster
    String clusterId = getValidEmrClusterIdByName(clusterName, awsParams);

    // Get the master EC2 instance
    ListInstancesRequest listInstancesRequest = new ListInstancesRequest().withClusterId(clusterId)
            .withInstanceGroupTypes(InstanceGroupType.MASTER);

    List<Instance> instances = emrOperations
            .listClusterInstancesRequest(getEmrClient(awsParams), listInstancesRequest).getInstances();

    // Throw error in case there are no master instances found yet
    if (instances.size() == 0) {
        throw new IllegalArgumentException(
                "No master instances found for the cluster \"" + clusterName + "\".");
    }

    for (Instance instance : instances) {
        ec2Dao.addSecurityGroupsToEc2Instance(instance.getEc2InstanceId(), securityGroups, awsParams);
    }

    return securityGroups;
}

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From source file:org.finra.dm.dao.impl.EmrDaoImpl.java

License:Apache License

/**
 * Gets the master instance of the EMR cluster.
 *
 * @param clusterId EMR cluster id.//from w ww . j ava2  s  .com
 * @param awsParams the proxy details.
 *
 * @return the master instance of the cluster.
 */
@Override
public Instance getEmrMasterInstance(String clusterId, AwsParamsDto awsParams) throws Exception {
    // Get the master EC2 instance
    ListInstancesRequest listInstancesRequest = new ListInstancesRequest().withClusterId(clusterId)
            .withInstanceGroupTypes(InstanceGroupType.MASTER);

    List<Instance> instances = emrOperations
            .listClusterInstancesRequest(getEmrClient(awsParams), listInstancesRequest).getInstances();

    // Throw error in case there are no master instances found yet
    if (instances.size() == 0) {
        throw new IllegalArgumentException("No master instances found for the cluster \"" + clusterId + "\".");
    }

    // EMR has only one master node.
    return instances.get(0);
}

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From source file:org.finra.herd.dao.impl.EmrDaoImpl.java

License:Apache License

@Override
public List<String> addEmrMasterSecurityGroups(String clusterId, List<String> securityGroups,
        AwsParamsDto awsParams) throws Exception {
    // Get the master EC2 instance
    ListInstancesRequest listInstancesRequest = new ListInstancesRequest().withClusterId(clusterId)
            .withInstanceGroupTypes(InstanceGroupType.MASTER);

    List<Instance> instances = emrOperations
            .listClusterInstancesRequest(getEmrClient(awsParams), listInstancesRequest).getInstances();

    // Throw error in case there are no master instances found yet
    if (instances.size() == 0) {
        throw new IllegalArgumentException("No master instances found for the cluster \"" + clusterId + "\".");
    }/*from   w  w  w .  j a v a  2  s.  c om*/

    for (Instance instance : instances) {
        ec2Dao.addSecurityGroupsToEc2Instance(instance.getEc2InstanceId(), securityGroups, awsParams);
    }

    return securityGroups;
}

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From source file:org.finra.herd.dao.impl.EmrDaoImpl.java

License:Apache License

@Override
public Instance getEmrMasterInstance(String clusterId, AwsParamsDto awsParams) throws Exception {
    // Get the master EC2 instance
    ListInstancesRequest listInstancesRequest = new ListInstancesRequest().withClusterId(clusterId)
            .withInstanceGroupTypes(InstanceGroupType.MASTER);

    List<Instance> instances = emrOperations
            .listClusterInstancesRequest(getEmrClient(awsParams), listInstancesRequest).getInstances();

    // Throw error in case there are no master instances found yet
    if (instances.size() == 0) {
        throw new IllegalArgumentException("No master instances found for the cluster \"" + clusterId + "\".");
    }/*w w w. j  a v a 2  s. c  om*/

    // EMR has only one master node.
    return instances.get(0);
}

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