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

Example 6 with InstanceState

use of com.amazonaws.services.ec2.model.InstanceState 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);
    }
}