Creating EC2 instance in AWS

Creation of an EC2 instance in AWS

We've covered the fundamentals of virtualization and virtual machines, and now it's time to dive into creating our own virtual machines!

There are two approaches to consider when making a virtual machine:

1. 𝐌𝐚𝐧𝐮𝐚𝐥 𝐑𝐞𝐪𝐮𝐞𝐬𝐭: We can start by exploring the AWS platform (though the process is similar for other platforms). AWS offers a range of services, each with its own terminology. In AWS, a virtual machine is referred to as an EC2 Instance, and storage is called an S3 instance.

2. 𝗦𝗰𝗿𝗶𝗽𝘁 𝗥𝗲𝗾𝘂𝗲𝘀𝘁: If we need to create multiple instances, repeating the manual process can be inefficient. This is where scripting comes in. By writing a script, we can automate the instance request process.

AWS provides APIs for various services, including the AWS EC2 Instance. These APIs handle requests and grant access to virtual machines. To generate a response from the API, the request must meet certain criteria:

1. The request needs to be 𝗩𝗮𝗹𝗶𝗱, following all the API's standard expectations.
2. The request needs to be 𝗔𝘂𝘁𝗵𝗼𝗿𝗶𝘇𝗲𝗱, meaning the user should have access to AWS.
3. The request needs to be 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗲𝗱, ensuring that the user is authorized to create the EC2 instance.

DevOps Engineer writes a script that interacts with the AWS EC2 API. The script here is a request so it has to abide by the specified criteria.

There are several ways to write the script:

- 𝗔𝗪𝗦 𝗖𝗟𝗜: Using the AWS Command Line Interface.
- 𝗔𝗪𝗦 𝗔𝗣𝗜 (Python Boto3 module): Leveraging the Python Boto3 module to interact with AWS.
- 𝗔𝗪𝗦 𝗖𝗙𝗧: Employing AWS CloudFormation Templates.
- 𝗖𝗗𝗞: Utilizing the AWS Cloud Development Kit.
- 𝗧𝗲𝗿𝗿𝗮𝗳𝗼𝗿𝗺: Leveraging the power of Terraform.

By automating the script, we can make the process faster, more efficient, and error-free.

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