How To Manage AWS EC2 Infrastructure With Python

In this article, we’ll take a look at how system administrators can use Python to manage their Amazon Web Services (AWS) Elastic Compute Cloud (EC2) infrastructure. You’ll learn to query existing EC2 instances, change the state of the virtual machines and their configurations, or terminate any instances that are no longer required.

Before we can proceed, make sure to setup your Python scripting environment for the first use, by referring my previous article here.

List All AWS EC2 Instances

Now that we’ve set up the scripting environment and configured our credentials, let’s begin by importing the boto3 library and using it to create an EC2 resource, which acts like a connection to access to AWS EC2 console. I’ll use this EC2 resource to iterate through all EC2 instances, then access the individual properties of each virtual machine and print the list of all EC2 instances and their respective properties on the console.

import boto3
 ec2 = boto3.resource('ec2')
  
 for instance in ec2.instances.all():
     print(
         "Id: {0}\nPlatform: {1}\nType: {2}\nPublic IPv4: {3}\nAMI: {4}\nState: {5}\n".format(
         instance.id, instance.platform, instance.instance_type, instance.public_ip_address, instance.image.id, instance.state
         )
     )

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