Automate Cloudflare DNS Failover with Ansible During Incidents (opens in new tab)

Originally published on kuryzhev.cloud Your origin goes down at 2am — and your "automated" Cloudflare DNS failover is actually a Slack message asking someone to run a playbook manually. That someone is asleep. Their vault credentials are on a laptop that's also asleep. By the time the record gets swapped, you've lost 20 minutes of traffic and your SLO is in the floor. I've seen this exact scenario play out three times across different teams. The fix isn't complicated, but it requires understa...