Automating data center expansions with Airflow

This post introduces Cloudflare's Provisioning-as-a-Service (PraaS) platform, built using Apache Airflow, to automate the complex process of data center expansions and server provisioning. It details how manual Standard Operating Procedures (SOPs) were transformed into API-driven tasks within Airflow DAGs, integrating with tools like Salt, Prometheus, and JIRA. The post highlights features like failure handling, logging, notifications, Jinja templating, sensors for preconditions and human intervention, branching, multi-DAGs, and strategies for creating scalable DAGs to manage over 200 data centers, resulting in a 90% reduction in manual operational tasks.