I have a server that is activating a critical temp rule when it shouldn’t be. I’m probably missing something obvious and hoping someone could point it out to me. My rule is:
The current temps:
…and the output from an alert capture:
Rule name: Temperature - Critical
Alert rule: sensors.sensor_current >= “sensors.sensor_limit” AND sensors.sensor_class = “temperature”
Alert query: SELECT * FROM devices,sensors WHERE (devices.device_id = ? AND devices.device_id = sensors.device_id) AND sensors.sensor_current >= “sensors.sensor_limit” AND sensors.sensor_class = “temperature”
Rule match: matches
Any ideas what could be causing this? Thanks in advance.
I’m by far not an expert with Librenms but i have a similar rule that seems to be functioning reasonably well
One of my major differences is that i have the below included in my rule as well:
My understanding is that this will read the alert status of the sensor (0=okay, 1=warning, 2=critical, 3=unknown) IAW this doco Device Sensors - LibreNMS Docs
so by adding this into your rule it should only run as true when the state of a sensor enters the warning/critical (depending how you configure it) status on the current temps page
You need to escape out sensors.sensor_limit so the rule engine knows you’re referring to a variable, and not the literal string of “sensors.sensor_limit”.
To escape it out, surround with a single ``.
I would tell you what to put in, but the forum keeps formatting it as pre-formatted text.
This should be a decent example of the escaping described by @electrocret
Problem solved. Thanks guys!
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