[Nut-upsdev] NUT Enhancements

[Arjen de Korte]

Eric Wilde wrote:

> I am enclosing several modules from NUT 2.2.1 that I have enhanced to
> provide additional features.  In a nutshell, here's what's included:

Thanks for your efforts!

>   Error notification for UPS overtemp.  Several of my UPS monitor
>   temperature and I have found that serious overtemp readings are often
>   a precursor to battery failure (sometimes spectacular).

I like the idea behind this patch, but in its present state I think it 
is too limited. We've also seen requests for something similar when for 
instance the battery charge reaches a certain level and don't like it if 
we need to modify 'upsmon' for every variable that might be added. What 
would be really neat, is if one can specify something like the following 
in 'upsmon.conf':

	NOTIFYVAR  OVERTEMP	battery.temperature > 50
	NOTIFYVAR  BATTLE25	battery.charge <= 25

Such an interface would be adaptable (some drivers/devices only report 
ups.temperature for instance) by users to their specific needs. You get 
the idea.

[...]

> I've included, in the attached zip file, the original source that I
> compared against, a diff file of the changes, and the updated source.
> All of my changes are marked with "//EW".  In addition, the upsplot.pl
> module is a new module to graph UPS statistics, using the GD package
> and the notify script sends/logs event notifications.

That shouldn't be a problem. As far as I know we already have a 
dependency on the GD package for the upsimage. One thing that I'm 
slightly worried about is that you would need you access to the system 
log from the user that is running this script. I'm not sure if that is 
desirable.

Best regards, Arjen