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Unplanned outage

December 8, 2021 at 2:43 PM


Resolved after 16m. December 8, 2021 at 2:59 PM

Unfortunately, today we had our first unplanned outage.

We use certbot for TLS certificate generation, and while the date for renewal was approaching the certificate could not refresh property.

The problem was with certbot and Python. certbot could not execute because of some linkage problem with the cryptography Python package. Upgrading certain packages and re-installing certbot seemed to fix the problem.

After solving this though, then there was a second issue in which Caddy could not load the new certificate due to a permissions error.

Eventually all permissions were fixed, all packages updated, and Caddy started successfully, yet the cause of the original error remains unknown and further research is required.