On Thu, May 28, 2015 at 1:17 PM, Lennart Poettering <lenn...@poettering.net> wrote: > On Wed, 27.05.15 13:05, Umut Tezduyar Lindskog (u...@tezduyar.com) wrote: > >> On Tue, May 26, 2015 at 4:14 PM, Lennart Poettering >> <lenn...@poettering.net> wrote: >> > On Tue, 26.05.15 11:53, Umut Tezduyar Lindskog (u...@tezduyar.com) wrote: >> > >> >> Hi, >> >> >> >> I was wondering if we have a way to provide vendor default masked >> >> service? >> > >> > Well, so far our thinking was that if the vendor wants to make a unit >> > completely unavailable he should simply not ship it in the first >> > place. >> > >> > What's the usecase for a vendor masking a unit, but installing it? Why >> > not remove it in the first place entirely? >> >> If we ship a product without the service, we don't have a way of >> installing it again once the product is deployed. >> >> Use case would be: We use one software for a video encoder blade with >> multiple CPUs. Every CPU runs the same software. We have a special >> service which should only run on the first CPU. A generator installs >> the .wants link for the service on first CPU. Another service could >> try to talk to the special service over dbus causing it to be dbus >> activated (where special service is only allowed to be up on first >> CPU). We could install the dbus activation files with generator but it >> gets messy to offload this logic to a generator. Also, special service >> can be activated by using systemd's dbus interface. > > My recommendation would be to ship the dbus service file always, but > make it direct to SystemdService=dbus-com.axis.foobar.waldi.service, > and then manage dbus-com.axis.foobar.waldi.service as a symlink alias > to the real bus service. All you do in your generator now is create > the symlink or not create it... > > Wouldn't that work?
For dbus activation it would work but other services can still activate the service through systemd. Umut > > Lennart > > -- > Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
