I've been working on a meta-driver that tries to address one of the difficulties of using NUT on a Mac OS X system which has built-in drivers for several USB-connected UPSes.

On a stock OS X system, after you plug in a system-supported UPS, a new "UPS" tab shows up in the "Energy Saver" system preferences panel. Basic status information is presented there, and additional information is updated in the dynamic system configuration store. I would like to pass this information along to NUT's upsd so for monitoring purposes, as well as to enable the controlled shutdown of nearby systems (e.g. clients of a file server).

An interesting side effect is that the internal battery on a laptop is monitored in the same way as an UPS. So I am not sure if "nut-macosx- ups" is the best name for the driver. I think that a meta-driver like this probably should have "bridge" in the name, since it is essentially bridging the NUT variable namespace with the system configuration namespace. On the other hand, the new IPMI driver is just called "nut-ipmipsu".

Ideas?

--
Charles Lepple
clepple@gmail

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