Java tutorial
/* * Copyright 2010-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ package ec2; import com.amazonaws.services.ec2.AmazonEC2; import com.amazonaws.services.ec2.AmazonEC2ClientBuilder; import com.amazonaws.services.ec2.model.DescribeInstancesRequest; import com.amazonaws.services.ec2.model.DescribeInstancesResult; import com.amazonaws.services.ec2.model.Instance; import com.amazonaws.services.ec2.model.Reservation; /** * Describes all EC2 instances associated with an AWS account */ public class DescribeInstances { public static void main(String[] args) { final AmazonEC2 ec2 = AmazonEC2ClientBuilder.defaultClient(); boolean done = false; while (!done) { DescribeInstancesRequest request = new DescribeInstancesRequest(); DescribeInstancesResult response = ec2.describeInstances(request); for (Reservation reservation : response.getReservations()) { for (Instance instance : reservation.getInstances()) { System.out.printf( "Found reservation with id %s, AMI %s, type %s, state %s and monitoring state %s", instance.getInstanceId(), instance.getImageId(), instance.getInstanceType(), instance.getState().getName(), instance.getMonitoring().getState()); } } request.setNextToken(response.getNextToken()); if (response.getNextToken() == null) { done = true; } } } }