Airflow Terraform

Goal

Easily provision resources on AWS for a highly scalable and secure airflow environment.

Overview

• Terraform is used to provision resources in a VPC.
• Airflow's services are deployed on an EC2 instance.
• The Airflow metadata database is deployed on RDS (Postgres).
• The Airflow message broker is deployed on Elastic Cache (Redis).
• AWS Secrets Manager is used to securely feed environment variables such as airflow's fernet key into the EC2 instance.

Requirements

• AWS Account
• Terraform

Setup

• Create an EC2 key pair or use an existing one

Terraform Commands

First enter the Terraform directory cd terraform

• See a plan of resources terraform plan
• Provision resources terraform apply
• Destroy resources terraform destroy