Examples with InstanceStateChange com.amazonaws.services.ec2.model.InstanceStateChange used on opensource projects

Example 6 with InstanceStateChange

use of com.amazonaws.services.ec2.model.InstanceStateChange in project photon-model by vmware.

the class AWSUtils method waitForTransitionCompletion.

public static void waitForTransitionCompletion(ServiceHost host, List<InstanceStateChange> stateChangeList, final String desiredState, AmazonEC2AsyncClient client, BiConsumer<InstanceState, Exception> callback) {
    InstanceStateChange stateChange = stateChangeList.get(0);
    try {
        DescribeInstancesRequest request = new DescribeInstancesRequest();
        request.withInstanceIds(stateChange.getInstanceId());
        DescribeInstancesResult result = client.describeInstances(request);
        Instance instance = result.getReservations().stream().flatMap(r -> r.getInstances().stream()).filter(i -> i.getInstanceId().equalsIgnoreCase(stateChange.getInstanceId())).findFirst().orElseThrow(() -> new IllegalArgumentException(String.format("%s instance not found", stateChange.getInstanceId())));
        String state = instance.getState().getName();
        if (state.equals(desiredState)) {
            callback.accept(instance.getState(), null);
        } else {
            host.schedule(() -> waitForTransitionCompletion(host, stateChangeList, desiredState, client, callback), 5, TimeUnit.SECONDS);
        }
    } catch (AmazonServiceException | IllegalArgumentException ase) {
        callback.accept(null, ase);
    }
}

Example 7 with InstanceStateChange

use of com.amazonaws.services.ec2.model.InstanceStateChange in project onebusaway-application-modules by camsys.

the class BundleServerServiceImpl method stop.

@Override
public String stop(String instanceId) {
    if (!_isAws) {
        return LOCAL_HOST;
    }
    if (LOCAL_HOST.equalsIgnoreCase(instanceId)) {
        return instanceId;
    }
    List<String> instances = new ArrayList<String>();
    instances.add(instanceId);
    StopInstancesRequest stopInstancesRequest = new StopInstancesRequest(instances);
    StopInstancesResult stopInstancesResult = _ec2.stopInstances(stopInstancesRequest);
    InstanceStateChange change = null;
    if (!stopInstancesResult.getStoppingInstances().isEmpty()) {
        change = stopInstancesResult.getStoppingInstances().get(0);
        _log.info("from state=" + change.getPreviousState() + " to state=" + change.getCurrentState());
        return change.getInstanceId();
    }
    return null;
}

Example 8 with InstanceStateChange

use of com.amazonaws.services.ec2.model.InstanceStateChange in project onebusaway-application-modules by camsys.

the class BundleServerServiceImpl method start.

@Override
public String start(String instanceId) {
    if (!_isAws) {
        return LOCAL_HOST;
    }
    if (LOCAL_HOST.equalsIgnoreCase(instanceId)) {
        return instanceId;
    }
    List<String> instances = new ArrayList<String>();
    instances.add(instanceId);
    StartInstancesRequest startInstancesRequest = new StartInstancesRequest(instances);
    StartInstancesResult startInstancesResult = _ec2.startInstances(startInstancesRequest);
    InstanceStateChange change = null;
    if (!startInstancesResult.getStartingInstances().isEmpty()) {
        change = startInstancesResult.getStartingInstances().get(0);
        _log.info("from state=" + change.getPreviousState() + " to state=" + change.getCurrentState());
        return change.getInstanceId();
    }
    return null;
}