How we eliminated service outages from ‘certificate expired’ by setting up alerts with Grafana and Prometheus



There
’s one thing most of the customers have in common: At one point or another, expired certificates have caused a problem. In theory, they shouldn’t; the exact expiration date is known, and so is the process for updating. But still the problems persist!



In this blog post, we present a simple yet effective solution: Monitor the expiration date of certificates with Prometheus and visualize it with Grafana, using features from the new table visualization in Grafana 7. Читать дальше.