After some time I noticed it’s not :D All active and positive alerts disappeared. Had to remove the “notnull” condition.
Mit freundlichem Gruß Stadtwerke Norderstedt
Denis Klimek
Carrier Manager & Professional Network Engineer IP-Systemtechnik
Tel: +49 (0) 40 / 521 04 – 1049
dklimek@stadtwerke-norderstedt.demailto:dklimek@stadtwerke-norderstedt.de www.stadtwerke-norderstedt.dehttp://www.stadtwerke-norderstedt.de/
Von: Mike Stupalov [mailto:mike@stupalov.ru] Im Auftrag von Mike Stupalov Gesendet: Donnerstag, 16. Januar 2020 10:58 An: Observium; Klimek, Denis via observium Cc: Klimek, Denis; 'adama@memetic.org' Betreff: Re: [Observium] Alert : Matching "null" value in condition?
Hi,
really I'm not sure that this should work currently, because this limits fetched from DB returns as "" (empty string).
:D
I will do additional tests with this conditions, but I think for this case also possible use:
sensor_limit ne
(yes, also without last value)
Klimek, Denis via observium wrote on 16.01.2020 11:39:
Hi all,
Thank you for adding this option ☺ We also had some false positives due this missing function. I changed some alerts now and it’s working fine so far.
Example test condition (require all conditions): sensor_value ge @sensor_limit sensor_value ne 0 sensor_limit notnull
Mit freundlichem Gruß Stadtwerke Norderstedt
Denis Klimek
Carrier Manager & Professional Network Engineer IP-Systemtechnik
Tel: +49 (0) 40 / 521 04 – 1049
dklimek@stadtwerke-norderstedt.demailto:dklimek@stadtwerke-norderstedt.de www.stadtwerke-norderstedt.dehttp://www.stadtwerke-norderstedt.de/
Von: observium [mailto:observium-bounces@observium.org] Im Auftrag von Adam Armstrong via observium Gesendet: Mittwoch, 15. Januar 2020 22:08 An: 'Observium' Cc: adama@memetic.orgmailto:adama@memetic.org Betreff: Re: [Observium] Alert : Matching "null" value in condition?
Does “sensor_value notmatch“ work?
That’ll end up being ‘ if $sensor_value != “” ‘ or there abouts
I’ve just added “isnull” and “notnull” operators (last argument isn’t used), but you need to be running r10226 for that.
Adam.
From: observium observium-bounces@observium.orgmailto:observium-bounces@observium.org On Behalf Of Johann Mallet via observium Sent: 15 January 2020 17:38 To: Observium Network Observation System observium@observium.orgmailto:observium@observium.org Cc: Johann Mallet johann.mallet@zayo.commailto:johann.mallet@zayo.com Subject: [Observium] Alert : Matching "null" value in condition?
Hello,
In alerting, do you have the option to match "null" value? For example, to match/not match the sensor with sensor_limit_warm = null value.
My goal it's create alerting with "sensor_value gt @sensor_warn" but excluding when sensor_warm is "null" in database. Because that's create false positives.
Thanks!
Johann
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