Example usage for com.amazonaws.services.ec2.model RunInstancesRequest setBlockDeviceMappings

Introduction

In this page you can find the example usage for com.amazonaws.services.ec2.model RunInstancesRequest setBlockDeviceMappings.

Prototype

public void setBlockDeviceMappings(java.util.Collection<BlockDeviceMapping> blockDeviceMappings) 

Source Link

Document

The block device mapping entries.

Usage

From source file:eu.stratosphere.nephele.instance.ec2.EC2CloudManager.java

License:Apache License

/**
 * Requests (allocates) instances (VMs) from Amazon EC2.
 * //from  w w  w.j  a  v a  2s .  c o  m
 * @param awsAccessId
 *        the access ID into AWS
 * @param awsSecretKey
 *        the secret key used to generate signatures for authentication
 * @param instancesToBeRequested
 *        Map containing desired instances types and count
 * @param sshKeyPair
 *        Optional parameter to insert an EC2 SSH key/value pair
 * @return
 *         List containing the instance IDs of the allocated instances.
 */
private LinkedList<String> allocateCloudInstance(final Configuration conf, final InstanceType type,
        final int mincount, final int maxcount) {

    final String awsAccessId = conf.getString(AWS_ACCESS_ID_KEY, null);
    final String awsSecretKey = conf.getString(AWS_SECRET_KEY_KEY, null);

    final String imageID = conf.getString(AWS_AMI_KEY, null);
    LOG.info("Read Amazon Machine Image from job configuration: " + imageID);

    final String jobManagerIPAddress = GlobalConfiguration.getString("jobmanager.rpc.address", null);
    if (jobManagerIPAddress == null) {
        LOG.error("JobManager IP address is not set (jobmanager.rpc.address)");
        return null;
    }
    final String sshKeyPair = conf.getString("job.ec2.sshkeypair", null);

    final AmazonEC2Client ec2client = EC2ClientFactory.getEC2Client(awsAccessId, awsSecretKey);
    final LinkedList<String> instanceIDs = new LinkedList<String>();

    // Iterate over instance types..

    final RunInstancesRequest request = new RunInstancesRequest(imageID, mincount, maxcount);
    request.setInstanceType(type.getIdentifier());

    // Set availability zone if configured
    String av = null;
    if (this.availabilityZone != null) {
        av = this.availabilityZone;
    }
    final String jobAV = conf.getString("job.ec2.availabilityzone", null);
    if (jobAV != null) {
        LOG.info("Found " + jobAV + " as job-specific preference for availability zone");
        av = jobAV;
    }

    if (av != null) {
        request.setPlacement(new Placement(av));
    }

    // TODO: Make this configurable!
    final BlockDeviceMapping bdm = new BlockDeviceMapping();
    bdm.setVirtualName("ephemeral0");
    bdm.setDeviceName("/dev/sdb1");

    if (sshKeyPair != null) {
        request.setKeyName(sshKeyPair);
    }

    final LinkedList<BlockDeviceMapping> bdmlist = new LinkedList<BlockDeviceMapping>();
    bdmlist.add(bdm);
    request.setBlockDeviceMappings(bdmlist);

    // Setting User-Data parameters
    request.setUserData(EC2Utilities.createTaskManagerUserData(jobManagerIPAddress));

    // Request instances!
    try {
        final RunInstancesResult result = ec2client.runInstances(request);

        for (Instance i : result.getReservation().getInstances()) {
            instanceIDs.add(i.getInstanceId());
        }
    } catch (AmazonClientException e) {
        // Only log the error here
        LOG.error(StringUtils.stringifyException(e));
    }

    return instanceIDs;
}

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From source file:hudson.plugins.ec2.SlaveTemplate.java

License:Open Source License

private void setupCustomDeviceMapping(RunInstancesRequest riRequest) {
    if (StringUtils.isNotBlank(customDeviceMapping)) {
        riRequest.setBlockDeviceMappings(DeviceMappingParser.parse(customDeviceMapping));
    }/*from w  w w.  j a v a 2 s  .  co  m*/
}

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