cert-manager too old …

Today cert-manager stopped issuing certificates, and all requests said “insecure website”. Uncool, since this affected our Confluence and our sign-in mechanism. So let’s find out what was happening, right? Turns out cert-manager considered itself “too old” (“your ACME client is too old”, literally) and wanted to be updated. So far, so good. Just perform helm […]

Docker Infrastructure Snippets

Logs with docker and logstash

It would be nice to have all container logs from a docker cluster sent to … let’s say, an ELK stack. Right? Right. So we did: on each host in the cluster, we use the GELF log driver to send all logs to a logstash instance the logstash instance clones each request using type “ELK” […]