EC2 runtime Test

最新推荐文章于 2024-03-25 11:56:37 发布
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最新推荐文章于 2024-03-25 11:56:37 发布
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本文演示了如何使用AWS SDK for .NET进行EC2实例的基本操作，包括启动、停止、终止实例等，并展示了如何获取实例的状态信息。
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using System;
using System.Configuration;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Text;

using Amazon;
using Amazon.EC2;
using Amazon.EC2.Model;
using Amazon.SimpleDB;
using Amazon.SimpleDB.Model;
using Amazon.S3;
using Amazon.S3.Model;
using System.Collections.Generic;

using System.Threading;

namespace ec2TestforAE
{
    class Program
    {

        public static void Main(string[] args)
        {
            //Console.Write(GetServiceOutput());
            ec2test();
            Console.Read();
        }

        public static void ec2test()
        {
            String instanceID = "";
            NameValueCollection appConfig = ConfigurationManager.AppSettings;
            AmazonEC2 ec2 = AWSClientFactory.CreateAmazonEC2Client(appConfig["AWSAccessKey"],appConfig["AWSSecretKey"]);

            // describe existed instance            
            DescribeInstancesRequest ec2DescribeInstancesRequest = new DescribeInstancesRequest();

            try
            {
                DescribeInstancesResponse ec2DescribeInstancesResponse = ec2.DescribeInstances(ec2DescribeInstancesRequest);
                int numOfInstances = ec2DescribeInstancesResponse.DescribeInstancesResult.Reservation.Count;
                Console.WriteLine("Num of instance:" + numOfInstances);

                List reservations = ec2DescribeInstancesResponse.DescribeInstancesResult.Reservation;

                foreach (Reservation reservation in reservations)
                {
                    List runningInstances = reservation.RunningInstance;
                    foreach (RunningInstance runningInstance in runningInstances)
                    {
                        instanceID = runningInstance.InstanceId;
                        Console.WriteLine("Instanceid:" + instanceID);

                        //TerminateInstancesRequest ec2TerminateInstancesRequest = new TerminateInstancesRequest().WithInstanceId(instanceID);
                        //TerminateInstancesResponse ec2TerminateInstancesResponse = ec2.TerminateInstances(ec2TerminateInstancesRequest);
                        //TerminateInstancesResult ec2TerminateInstancesResult = ec2TerminateInstancesResponse.TerminateInstancesResult;

                        //List instanceStateChanges = ec2TerminateInstancesResult.TerminatingInstance;
                        //foreach (InstanceStateChange instanceStateChange in instanceStateChanges)
                        //{
                        //    Console.WriteLine("instanceid:" + instanceStateChange.InstanceId + " Previous State:" + instanceStateChange.PreviousState.Name + " Current State:" + instanceStateChange.CurrentState.Name);
                        //}
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            Console.WriteLine("sleep 2s");
            Thread.Sleep(2000);

            Console.WriteLine("Create an Instance");

            // run instance
            String imageID = "ami-xxxxxxxx"; // here should set up imageid
            RunInstancesRequest ec2RunInstancesRequest = new RunInstancesRequest()
                .WithImageId(imageID).WithMinCount(1).WithMaxCount(1).WithInstanceType("m1.large");

            // we only start one instance once, so we just use string to save the instanceID.
            // otherwise, we should use string[]

            try
            {
                RunInstancesResponse ec2RunInstancesResponse = ec2.RunInstances(ec2RunInstancesRequest);
                RunInstancesResult ec2RunInstancesResult = ec2RunInstancesResponse.RunInstancesResult;
                Reservation reservation = ec2RunInstancesResult.Reservation;
                List runningInstances = reservation.RunningInstance;
                foreach (RunningInstance runningInstance in runningInstances)
                {
                    Console.WriteLine("Started a new instance:" + runningInstance.InstanceId);
                    Console.WriteLine("With an imageID:" + runningInstance.ImageId);
                    Console.WriteLine("Current State:" + runningInstance.InstanceState.Name);
                    instanceID = runningInstance.InstanceId;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            // check status:

            Console.WriteLine("sleep 20s");
            Thread.Sleep(20000);

            Console.WriteLine("Start the Instance:" + instanceID);

            // start an instance
            StartInstancesRequest ec2StartInstancesRequest = new StartInstancesRequest().WithInstanceId(instanceID);

            try
            {
                StartInstancesResponse ec2StartInstancesResponse = ec2.StartInstances(ec2StartInstancesRequest);
                StartInstancesResult ec2StartInstancesResult = ec2StartInstancesResponse.StartInstancesResult;

                if (ec2StartInstancesResult.IsSetStartingInstances())
                {
                    List instances = ec2StartInstancesResult.StartingInstances;

                    foreach (InstanceStateChange instance in instances)
                    {
                        instanceID = instance.InstanceId;
                        Console.WriteLine("InstanceID:" + instanceID);
                        Console.WriteLine("Current State:" + instance.CurrentState.Name);
                    }
                }

                Console.WriteLine("Instance is started with instance ID:" + instanceID);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            Console.WriteLine("sleep 30s");
            Thread.Sleep(30000);

            Console.WriteLine("Check the Instance IPs:" + instanceID);

            // check running instance
            ec2DescribeInstancesRequest = new DescribeInstancesRequest();

            try
            {
                DescribeInstancesResponse ec2DescribeInstancesResponse = ec2.DescribeInstances(ec2DescribeInstancesRequest);
                List reservations = ec2DescribeInstancesResponse.DescribeInstancesResult.Reservation;

                foreach (Reservation reservation in reservations)
                {
                    List runningInstances = reservation.RunningInstance;
                    foreach (RunningInstance runningInstance in runningInstances)
                    {
                        instanceID = runningInstance.InstanceId;
                        Console.WriteLine("Instanceid:" + instanceID);
                        Console.WriteLine("Private Ip Address:" + runningInstance.PrivateIpAddress);
                        Console.WriteLine("Private DNS Address:" + runningInstance.PrivateDnsName);
                        Console.WriteLine("Public DNS Address:" + runningInstance.PublicDnsName);
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            Console.WriteLine("sleep 2s");
            Thread.Sleep(2000);

            Console.WriteLine("Stop the Instance:" + instanceID);

            // shutdown the instance
            StopInstancesRequest ec2StopInstancesRequest = new StopInstancesRequest().WithInstanceId(instanceID);

            try
            {
                StopInstancesResponse ec2StopInstancesResponse = ec2.StopInstances(ec2StopInstancesRequest);
                StopInstancesResult ec2StopInstancesResult = ec2StopInstancesResponse.StopInstancesResult;

                if (ec2StopInstancesResult.IsSetStoppingInstances())
                {
                    List instances = ec2StopInstancesResult.StoppingInstances;

                    foreach (InstanceStateChange instance in instances)
                    {
                        instanceID = instance.InstanceId;
                        Console.WriteLine("Current State:" + instance.CurrentState.Name);
                    }

                    Console.WriteLine("Instance is stopped with instance ID:" + instanceID);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            Console.WriteLine("sleep 30s");
            Thread.Sleep(30000);

            Console.WriteLine("Terminate the Instance:" + instanceID);

            // terminate instance:
            TerminateInstancesRequest ec2TerminateInstancesRequest = new TerminateInstancesRequest().WithInstanceId(instanceID);
            TerminateInstancesResponse ec2TerminateInstancesResponse = ec2.TerminateInstances(ec2TerminateInstancesRequest);
            TerminateInstancesResult ec2TerminateInstancesResult = ec2TerminateInstancesResponse.TerminateInstancesResult;

            List instanceStateChanges = ec2TerminateInstancesResult.TerminatingInstance;
            foreach (InstanceStateChange instanceStateChange in instanceStateChanges)
            {
                Console.WriteLine("instanceid:" + instanceStateChange.InstanceId + " Previous State:" + instanceStateChange.PreviousState.Name + " Current State:" + instanceStateChange.CurrentState.Name);
            }

            Console.WriteLine("sleep 30s");
            Thread.Sleep(30000);

            Console.WriteLine("Check the Instance states again");
            //check number of instance
            ec2DescribeInstancesRequest = new DescribeInstancesRequest();

            try
            {
                DescribeInstancesResponse ec2DescribeInstancesResponse = ec2.DescribeInstances(ec2DescribeInstancesRequest);
                int numOfInstances = ec2DescribeInstancesResponse.DescribeInstancesResult.Reservation.Count;
                Console.WriteLine("Num of instance:" + numOfInstances);

                List reservations = ec2DescribeInstancesResponse.DescribeInstancesResult.Reservation;

                foreach (Reservation reservation in reservations)
                {
                    List runningInstances = reservation.RunningInstance;
                    foreach (RunningInstance runningInstance in runningInstances)
                    {
                        instanceID = runningInstance.InstanceId;
                        Console.WriteLine("Instanceid:" + instanceID);

                        TerminateInstancesRequest ec2TerminateInstancesRequestin = new TerminateInstancesRequest().WithInstanceId(instanceID);
                        TerminateInstancesResponse ec2TerminateInstancesResponsein = ec2.TerminateInstances(ec2TerminateInstancesRequestin);
                        TerminateInstancesResult ec2TerminateInstancesResultin = ec2TerminateInstancesResponsein.TerminateInstancesResult;

                        List instanceStateChangeins = ec2TerminateInstancesResultin.TerminatingInstance;
                        foreach (InstanceStateChange instanceStateChange in instanceStateChangeins)
                        {
                            Console.WriteLine("instanceid:" + instanceStateChange.InstanceId + " Previous State:" + instanceStateChange.PreviousState.Name + " Current State:" + instanceStateChange.CurrentState.Name);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error:" + ex.ToString());
            }

            Console.WriteLine("This is the end of EC2 test.");
        }
    }
}