Example usage for com.amazonaws.services.ec2.model MonitorInstancesRequest setInstanceIds

Introduction

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

Prototype

public void setInstanceIds(java.util.Collection<String> instanceIds) 

Source Link

Document

The IDs of the instances.

Usage

From source file:org.gridgain.grid.util.ec2.GridEc2Helper.java

License:GNU General Public License

/**
 * @param imgId EC2 image ID./*from w ww .ja va2s  .  c o m*/
 * @param keyPair Key pair name.
 * @param secGrps Security groups.
 * @param instType EC2 Instance type.
 * @param userData Instances user data.
 * @param count Instance count.
 * @param enableMon Enable CloudWatch monitoring.
 * @return List of started instances' IDs.
 * @throws GridException Thrown in case of any exception.
 */
private List<String> startInstances(String imgId, String keyPair, Collection<String> secGrps, String instType,
        String userData, int count, boolean enableMon) throws GridException {
    RunInstancesRequest req = new RunInstancesRequest();

    req.setImageId(imgId);
    req.setInstanceType(instType);
    req.setKeyName(keyPair);
    req.setMaxCount(count);
    req.setMinCount(count);
    req.setMonitoring(enableMon);

    if (!F.isEmpty(secGrps))
        req.setSecurityGroups(secGrps);

    if (userData != null)
        req.setUserData(new String(Base64.encodeBase64(userData.getBytes())));

    RunInstancesResult res;

    try {
        res = ec2.runInstances(req);
    } catch (AmazonClientException ex) {
        throw new GridException("Failed to perform EC2 run instances request: " + ex.getMessage(), ex);
    }

    List<Instance> running = res.getReservation().getInstances();

    if (running == null)
        throw new GridException("Received unexpected EC2 response (instances have not been started).");

    List<String> ids = new ArrayList<String>();

    for (Instance inst : running)
        ids.add(inst.getInstanceId());

    if (enableMon) {
        MonitorInstancesRequest mReq = new MonitorInstancesRequest();

        mReq.setInstanceIds(ids);

        try {
            ec2.monitorInstances(mReq);
        } catch (AmazonClientException ex) {
            throw new GridException("Failed to start instances monitoring.", ex);
        }
    }

    return ids;
}

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