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

Introduction

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

Prototype

public void setClientToken(String clientToken) 

Source Link

Document

Unique, case-sensitive identifier you provide to ensure the idempotency of the request.

Usage

From source file:n3phele.factory.ec2.VirtualServerResource.java

License:Open Source License

private int addOnDemandInstance(List<VirtualServer> items) {

    RunInstancesRequest vs = new RunInstancesRequest();

    vs.setMinCount(items.size());//ww w  .jav a2  s.  c  om
    vs.setMaxCount(items.size());
    String token = items.get(0).getIdempotencyKey();

    if (token != null && token.length() > 64) {
        token = token.substring(token.length() - 64);
    }
    vs.setClientToken(token);
    HashMap<String, String> map = items.get(0).getParametersMap();
    Injector.inject(vs, map);
    if (map.containsKey("availabilityZone") || map.containsKey("groupName")) {
        Placement p = new Placement();
        if (map.containsKey("availabilityZone")) {
            String availabilityZone = map.get("availabilityZone");
            if (availabilityZone != null && !availabilityZone.equals("")) {
                p.setAvailabilityZone(map.get("availabilityZone"));
                vs.setPlacement(p);
            }
        }
        if (map.containsKey("groupName")) {
            String groupName = map.get("groupName");
            if (groupName != null && !groupName.equals("")) {
                p.setGroupName(map.get("groupName"));
                vs.setPlacement(p);
            }
        }

    }
    if (items.size() == 1 && createWithZombie(items.get(0))) {
        return 1;
    }
    AmazonEC2Client client = getEC2Client(items.get(0).getAccessKey(), items.get(0).getEncryptedKey(),
            items.get(0).getLocation());
    RunInstancesResult result = null;
    try {
        result = client.runInstances(vs);
    } catch (AmazonServiceException e) {
        log.log(Level.WARNING, "EC2 error " + e.getErrorCode(), e);
        throw new WebApplicationException(e, Status.BAD_REQUEST);
    } catch (AmazonClientException e) {
        log.log(Level.SEVERE, "EC2 AmazonClientException", e);
        log.severe("Check for orphaned VMs");
        try {
            result = client.runInstances(vs);
        } catch (Exception e2) {
            log.log(Level.SEVERE, "EC2 AmazonClientException", e2);
            throw new WebApplicationException(e, Status.BAD_REQUEST);
        }
    }
    int i = 0;
    for (Instance ec2Instance : result.getReservation().getInstances()) {
        log.info("Create VM[" + i + "] has Instance id " + ec2Instance.getInstanceId());
        items.get(i).setInstanceId(ec2Instance.getInstanceId());
        i++;
    }

    return result.getReservation().getInstances().size();
}

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