OP said "I'm not able to install any other application due to security reasons."
In that case, they can only talk to existing management interfaces. If the application or OS already exposes snmp or jmx or whatever, then they can talk to it with the relevant exporter. Otherwise, I think talking to the ILO is the only option (and probably the right option for power supply information anyway) -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/4cef2db2-ced8-4bd6-90c7-18cabf9cc640n%40googlegroups.com.

