Examples with AmazonEC2Async com.amazonaws.services.ec2.AmazonEC2Async used on opensource projects

Example 1 with AmazonEC2Async

use of com.amazonaws.services.ec2.AmazonEC2Async in project rhizome by geekbeast.

the class AmazonConfiguration method getNodesWithTagKeyAndValueInRegion.

public static List<InetAddress> getNodesWithTagKeyAndValueInRegion(String region, Optional<String> nodeKey, Optional<String> nodeValue, Logger logger) {
    AmazonEC2Async ec2 = AmazonEC2AsyncClientBuilder.standard().withRegion(region).build();
    Filter tagKey = new Filter().withName("tag-key").withValues(nodeKey.orElse(null));
    Filter tagValue = new Filter().withName("tag-value").withValues(nodeValue.orElse(null));
    DescribeInstancesRequest req = new DescribeInstancesRequest().withFilters(tagKey, tagValue);
    DescribeInstancesResult describeInstances = ec2.describeInstances(req);
    List<Reservation> reservations = describeInstances.getReservations();
    ArrayList<InetAddress> addresses = new ArrayList<>();
    for (Reservation res : reservations) {
        for (Instance instance : res.getInstances()) {
            try {
                if (instance.getState().getCode() < 17) {
                    addresses.add(InetAddress.getByName(instance.getPrivateIpAddress()));
                }
            } catch (UnknownHostException e) {
                logger.error("Couldn't identify host {}", instance.getPrivateIpAddress(), e);
            }
        }
    }
    return addresses;
}