Hello guys!
We are migrating our product to kolla-ansible and as far as probably you
know, it uses fluentd to control logs, etc. In non containerized openstack
we use rsyslog to send data to logstash. We get data from syslog events. It
looks like it's impossible to use syslog in kolla-ansible. Unfortunately
external_syslog_server option doesn't work. Is there anyone who was able to
use it ? But, nevermind, we may use fluentd BUT.. we have one problem -
different data format for each service/container.
So, probably the most optimal solution is to use default logging idea in
kolla-ansible. (to be honest, I am not sure... but I've no found better
option). But even with default logging idea in kolla - ansible we have one
serious problem. Fluentd has different data format for each service, for
instance, you may see this link with explanation how its designed in
kolla-ansible
https://github.com/openstack/kolla-ansible/commit/3026cef7cfd1828a27e565d4211692f0ab0ce22e
there are grok patterns which parses log messages, etc
so, we managed to put data to elasticsearch but we need to solve two
problems:
1. unify data format for log events. We may solve it using logstash to
unify it before putting it to elasticsearch (or should we change fluentd
configs in our own version of kolla-ansible repository ? )
For instance, we may do it using this logstash plugin
https://www.elastic.co/guide/en/logstash/2.4/plugins-filters-mutate.html#plugins-filters-mutate-rename
What's your suggestion ?
--
Best, Sergey
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