Proposed F19 Feature: systemd features

Tomáš Smetana tsmetana at redhat.com
Tue Jan 29 11:56:55 UTC 2013


On Mon, 28 Jan 2013 15:41:57 +0000
"Stephen C. Tweedie" <sct at redhat.com> wrote:
> On Mon, 2013-01-28 at 10:06 -0500, Stephen Gallagher wrote:
> > On Mon 28 Jan 2013 08:49:39 AM EST, Tomáš Smetana wrote:
> > > On Mon, 28 Jan 2013 07:41:38 -0500
> > > Stephen Gallagher <sgallagh at redhat.com> wrote:
> > >
> > >> -----BEGIN PGP SIGNED MESSAGE-----
> > >> Hash: SHA1
> > >>
> > >> On Sun 27 Jan 2013 08:54:49 AM EST, Jaroslav Reznik wrote:

...

> > >>> including meta data about them. With Fedora 19 we want to
> > >>> substantially enhance the metadata that udev keeps for each device,
> > >>> by augmenting it from a userspace database of non- essential
> > >>> information, that is indexed by device identification data such as
> > >>>  PCI/USB vendor/product IDs.
> > >>>
> > >>
> > >> This to me looks like it would be an excellent data source for our
> > >> hardware inventory provider. We should sync up with the systemd folks
> > >> to identify the available D-BUS interfaces to query for this
> > >> information.
> > >
> > > Looks interesting.  I'm not quite sure whether D-Bus is easier than
> > > libpci/libusbx but if there would be also more "inventory" data
> > > available from systemd then probably yes.
> > >
> > 
> > I just had a discussion with Kay Sievers on IRC where he informed me
> > that all of the information gathered in this way is queryable through
> > libudev (accessing either the hardware directly or the database being
> > populated by systemd).
> 
> Sounds good --- the more reuse of code to walk the low-level bus
> information, the better.  Talking to udev rather than libpci or libusb*
> directly sounds far preferable.

My only concern is: would this be portable (to the older RHEL versions)? I'm
not quite sure how important this fact is.

Regards,
-- 
Tomáš Smetana
Base OS Engineering, Red Hat


More information about the openlmi-devel mailing list