Request for support Containerized OVN Services

[miladjahandideh]

Request for support Containerized OVN Services

When Openstack is deployed with Kolla-Ansible it uses Containers to deploy OVN and OVS binaries in different containers:

• ovn_northd
• ovn_sb_db
• ovn_nb_db
• ovn_controller (image:https://hub.docker.com/r/kolla/ubuntu-source-ovn-controller)
• openvswitch_vswitchd
• openvswitch_db

The problem with this ovn_exporter is ".pid" and ".sock" files when they are inside of the container. For ".sock" it is easy to bind them to host I think but about ".pid" I don't have a solution because PID of inside Container is different from the host.

[osfrickler]

AFAICT the pid files are only used to track the pid of the running processes, which IMO doesn't need to happen within this exporter and so possibly could be dropped. If you want to bindmount those instead, that should also work, the only information you could gather from this anyway is when a process was restarted. Oras a workaround, you could simply create a dummy file containing "0" and point to that as PID file.

[greenpau]

@miladjahandideh , @osfrickler , it needs an update. Please feel free to submit PR.