On 2021-03-29 20:09, Rizwan Khan wrote:
I am have to scrape certain snmp OIDs from appliances, which run
custom Oses based on Linux and FreeBSD. And most of these are vendor
specific OIDs. They are running snmpd processes with access restricted
to local host only.
I think I a workaround could be to use vmagent from Victoria Metrics
with proxy_url .. and i can create an ssh tunnel to those machines
from the machine which is going to scrape. Not an ideal solution but a
workaround. Cant think of anything else...
Ignoring Prometheus completely for a moment, how would SNMP be used
generally for those machines given that only local processes can access
it? I'd normally expect external access, often firewalled (at either the
network and/or machine layers) rather than local only.
If you are able to create permanent SSH tunnels then there's no reason
you couldn't use those for the SNMP exporter directly - you are adding a
failure mode that you probably want to monitor for as well - a tunnel
failing would stop metrics totally, so you'd ideally setup the tunnel in
a way that can detect issues (e.g. keepalives) and fix itself (auto
restarts).
--
Stuart Clark
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