Aha! I found the problem by looking closer at the generated snmp.yml.
This PDU manufacturer OID is *1418*. I have another MIB installed from a
different manufacturer *1718* which also has an OID called outletName. So
the generator config I shared before actually produces incorrect snmp.yml
as below. The solution I found is to be explicit in the lookup like this:
lookups:
- source_indexes: [outletIndex]
lookup: 1.3.6.1.4.1.1418.6.5.1.2
Is this expected behavior and is there a better way to handle it?
Incorrect snmp.yml:
- name: outletStatus
oid: 1.3.6.1.4.1.1418.6.5.1.6
type: gauge
help: ' - 1.3.6.1.4.1.1418.6.5.1.6'
indexes:
- labelname: outletIndex
type: gauge
lookups:
- labels:
- outletIndex
labelname: outletName
oid: 1.3.6.1.4.1.1718.3.2.3.1.3
type: DisplayString
On Mon, Nov 20, 2023 at 6:41 PM 'Elliott Balsley' via Prometheus Users <
prometheus-users@googlegroups.com> wrote:
> I'm trying to configure snmp-exporter with a PDU, using a lookup to label
> each outlet with its human-readable name (outletName) by referencing its
> outletIndex. But when I try to do this, the outletName label is an empty
> string. Is there something wrong with my generator config? Example:
>
>
>
>
> * walk: - 1.3.6.1.4.1.1418.6.5 lookups: - source_indexes:
> [outletIndex] lookup: outletName*
>
> This is how the metrics look.
> *outletStatus{outletIndex="0",outletName=""} 1*
>
> Without any lookups, the outletName appears correct:
> *outletName{outletIndex="0",outletName="1-MacStudio"} 1*
>
> Below is how the raw SNMP data looks:
>
> % snmptable -v2c -c netflixsnmp -m IBOOTPDU-MIB 10.37.155.163
> 1.3.6.1.4.1.1418.6.5
> SNMP table: IBOOTPDU-MIB::outletTable
>
> outletIndex outletName outletInitialState outletCycleTime
> outletControl outletStatus outletActualStatus
> 1 1-MacStudio last 10
> on on on
> 2 2-Mezzo-1 last 10
> on on on
> 3 3-UltraStudio last 10
> on on on
> 4 4-MP-60 last 10
> on on on
> 5 5-Mezzo-2 last 10
> on on on
> 6 6-Core110f last 10
> on on on
> 7 Outlet-7 last 10
> on on on
> 8 8-Roku last 10
> cycle on on
>
> I'm not sure if this matters but I noticed the outletIndex values start at
> 1, while the OID table indexes start at 0. Could that be the problem here?
> I've attached the MIB. I also opened a Github issue with more details in
> case this is a bug:
> https://github.com/prometheus/snmp_exporter/issues/1039
>
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