How Do I Configure an AWS EBS Volume With Infrastructure as Code?

Introduction

AWS Elastic Block Store (EBS) is a highly scalable and reliable block storage service designed for use with Amazon EC2 instances. Configuring EBS volumes using Infrastructure as Code (IaC) allows for automated and repeatable deployment of your cloud resources. This guide provides a step-by-step approach to setting up an AWS EBS volume, creating an EC2 instance, and attaching the EBS volume to the instance using TypeScript.

Step-by-Step Explanation

1. Provider: Define the AWS provider to specify the cloud environment you are working with.
2. Data Source for AMI: Use the data "aws_ami" block to retrieve the latest Amazon Machine Image (AMI) based on specific criteria like ownership and root device type.
3. EC2 Instance: Create an EC2 instance by defining its configuration, such as the AMI ID and instance type.
4. EBS Volume: Use the aws_ebs_volume resource to create a new EBS volume, specifying details like the availability zone and size.
5. Volume Attachment: Attach the created EBS volume to the EC2 instance using the aws_volume_attachment resource.
6. Outputs: Export important identifiers such as the instance ID and volume ID for future reference.

import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";

// Data source to obtain the latest Amazon Linux 2 AMI
const latestAmazonLinux = aws.ec2.getAmiOutput({
    mostRecent: true,
    owners: ["amazon"],
    filters: [{
        name: "name",
        values: ["amzn2-ami-hvm-*-x86_64-gp2"],
    }],
});
// Create an EC2 instance
const example = new aws.ec2.Instance("example", {
    ami: latestAmazonLinux.apply(latestAmazonLinux => latestAmazonLinux.id),
    instanceType: aws.ec2.InstanceType.T2_Micro,
    tags: {
        Name: "example-instance",
    },
});
// Create an EBS volume
const exampleVolume = new aws.ebs.Volume("example", {
    availabilityZone: example.availabilityZone,
    size: 10,
    tags: {
        Name: "example-volume",
    },
});
// Attach the EBS volume to the EC2 instance
const exampleVolumeAttachment = new aws.ec2.VolumeAttachment("example", {
    deviceName: "/dev/sdh",
    volumeId: exampleVolume.id,
    instanceId: example.id,
});
export const instanceId = example.id;
export const volumeId = exampleVolume.id;
export const volumeAttachmentId = exampleVolumeAttachment.id;

Key Points

• Utilize the AWS provider to establish the environment.
• Retrieve the latest AMI to ensure your instance uses the most up-to-date image.
• Define and launch an EC2 instance tailored to your needs.
• Create and configure an EBS volume with specified attributes.
• Successfully attach the EBS volume to your EC2 instance.
• Export key identifiers for easy access and management.

Conclusion

In this guide, we demonstrated how to configure an AWS EBS volume using Infrastructure as Code. By following the outlined steps, you can automate the deployment of EBS volumes and EC2 instances, ensuring a consistent and efficient cloud infrastructure setup. This method not only saves time but also reduces the potential for manual configuration errors.