Ian Wienand 694241ad77 docker: install rsyslog to capture container output ... This started with me wondering why gerritbot was putting all its output into /var/log/syslog -- it turns out Xenial docker is configured to use journalctl (which forwards to syslog) and Bionic onwards uses json-file. Both are sub-optimial; but particularly the json-file because we lose the logs when the container dies. This proposes moving to a more standard model of having the containers log to syslog and redirecting that to files on disk. Install a rsyslog configuration to capture "docker-*" program names and put them into logfiles in /var/log/containers. Also install rotation for these files. In an initial group of docker-compose files, setup logging to syslog which should then be captured into these files. Add some basic testing. If this works OK, I think we can standardise our docker-compose files like this to caputure the logs the same everywhere. Change-Id: I940a5b05057e832e2efad79d9a2ed5325020ed0c		2020-10-19 16:06:03 +11:00
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main.yaml	docker: install rsyslog to capture container output	2020-10-19 16:06:03 +11:00