Sorry, I don't understand - what sort of comparison do you want to do on a
MAC address?
On Wednesday, 5 March 2025 at 19:23:09 UTC Matthew Koch wrote:
> In Grafana I am trying to use the metric to do a comparison, but I cannot
> do it because it is a label and not a value. SNMP returns a value of 1 with
> the label
>
> On Wednesday, March 5, 2025 at 12:56:42 PM UTC-5 Brian Candler wrote:
>
>> OK. I checked this. regex_extracts is only from when you want to extract
>> a metric *value* (i.e. a floating-point number) from text, for some dodgy
>> MIBs which respond with things like temperature as a string value.
>>
>> Since you already have apSysStatBssid containing the MAC address as a
>> string label, what exactly do you want to do with it?
>>
>> On Wednesday, 5 March 2025 at 16:43:08 UTC Matthew Koch wrote:
>>
>>> I've tried the variety of Regex and still it doesn't return any data.
>>> It's interesting because nothing comes back in the output and it doesn't
>>> error as well.
>>>
>>> On Wednesday, March 5, 2025 at 3:57:22 AM UTC-5 Brian Candler wrote:
>>>
>>>> Start with regex: '(.*)'
>>>>
>>>> If that works, then you know it's just the regex at fault. I'd start by
>>>> trying to double-backslash, i.e.
>>>>
>>>> - regex: '([\\w]{2}:[\\w]{2}:[\\w]{2}:[\\w]{2}:[\\w]{2}:[\\w]{2})'
>>>>
>>>> The spec for Go's regex language (RE2) is here:
>>>> https://github.com/google/re2/wiki/syntax
>>>>
>>>> I'm not sure if a backslash character class is allowed inside a
>>>> square-bracket character class. So you could try:
>>>>
>>>> - regex: '((\\w){2}:(\\w){2}:(\\w){2}:(\\w){2}:(\\w){2}:(\\w){2})'
>>>> - regex:
>>>> '([[:alnum:]]{2}:[[:alnum:]]{2}:[[:alnum:]]{2}:[[:alnum:]]{2}:[[:alnum:]]{2}:[[:alnum:]]{2})'
>>>>
>>>> or something simpler like:
>>>>
>>>> - regex: '([a-fA-F0-9:]{17})'
>>>>
>>>> On Tuesday, 4 March 2025 at 22:11:04 UTC Matthew Koch wrote:
>>>>
>>>>> I'm trying to extract the MAC address out of what is returned by SNMP
>>>>> exporter. The Regex I am using seems to work in general when I used an
>>>>> online Regex tester but for some reason it's not working in SNMP exporter.
>>>>>
>>>>> SNMPExporter config:
>>>>>
>>>>> - name: apSysStatBssid
>>>>> oid: 1.3.6.1.4.1.11.2.14.11.6.4.5.1.1.1.1.31.3
>>>>> type: PhysAddress48
>>>>> help: MAC address of the AP that the HPE501 is Associated to. -
>>>>> 1.3.6.1.4.1.11.2.14.11.6.4.5.1.1.1.1.31.3
>>>>> regex_extracts:
>>>>> Test:
>>>>> - regex: '([\w]{2}:[\w]{2}:[\w]{2}:[\w]{2}:[\w]{2}:[\w]{2})'
>>>>> value: '$1'
>>>>>
>>>>> This is what I typically get data wise without the regex config:
>>>>>
>>>>> # HELP apSysStatBssid BSSID of currently connected accesspoint -
>>>>> 1.3.6.1.4.1.29456.3.2
>>>>> # TYPE apSysStatBssid gauge
>>>>> apSysStatBssid{apSysStatBssid="6A:56:E3:7A:85:47"} 1
>>>>
>>>>
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