How do I enable snmp on CoreOS

问题:

I cannot seem to find any useful info on the topic.

Furthermore, what is the best way to monitor CoreOS (we use observium).

回答1:

If standard Linux SNMP metrics are most you need, you just want to deploy a container that runs SNMP daemon. For that purpose you will probably need to expose it to host's network namespace (--net=host, if you are using Docker) and then you definitely need to bind-mount /proc (with -v /proc:/hostproc passed to docker run). The only unusual thing you would need point the SNMP daemon at is the /hostproc instead of /proc.

You can probably try using the polinux/snmpd image for this purpose.