EC2 instance scheduler [closed]

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I would like to ask, what automatic tools are there to start Amazon EC2 instance at 08:00AM and stop it on 16:00 (And where to run it from?)

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The company I work for had customers regularly asking about this so we've written a freeware EC2 scheduling app available here:

http://blog.simple-help.com/2012/03/free-ec2-scheduler/

It works on Windows and Mac, lets you create multiple daily/weekly/monthly schedules and lets you use matching filters to include large numbers of instances easily or includes ones that you add in the future.

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I run my instances through a service called Scalarium - it has this time-based autoscaling. :)

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Well to shut the servers down, you could just schedule a task on the server(s) itself to tell it to shutdown at 16:00.

However if you use the Amazon EC2 Command Line Tools you can run commands from your workstation to start and stop instances:

• http://docs.amazonwebservices.com/AWSEC2/latest/CommandLineReference/index.html?ApiReference-cmd-RunInstances.html

In order to set up the Command Line Tools on your workstation for Mac/Linux the following guides may be useful:

• http://www.robertsosinski.com/2008/01/26/starting-amazon-ec2-with-mac-os-x/
• http://cloud-computing.learningtree.com/2010/09/28/using-the-amazon-ec2-command-line-tools-and-api/

You could even configure these commands to run when you boot your workstation, or schedule them on your workstation.

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Amazon doesn't offer any functionality to support this.

The preferred solution (at present) is to run a cron task from an existing server.

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I'm not sure that there is, but I believe that a lot of people have interest in such a product. I've actually got a product that does the opposite of what you need -- it stops a machine after a predetermined amount of time ;-). My guess is that you're looking to save EC2 $$$ by running your instances only during daytime hours. If that's the case then I believe my existing product could easily be twisted to meet your needs.

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You can do this by running a job on another instance that is running 24/7 or you can use a 3rd party service such as Ylastic or Rocket Peak.

If you want to set it up yourself, for example, in C# the code to stop a server is quite straightforward:

public void stopInstance(string instance_id, string AWSRegion) { RegionEndpoint myAWSRegion = RegionEndpoint.GetBySystemName(AWSRegion); AmazonEC2 ec2 = AWSClientFactory.CreateAmazonEC2Client(AWSAccessKey, AWSSecretKey, myAWSRegion); ec2.StopInstances(new StopInstancesRequest().WithInstanceId(instance_id)); }