[systemd-devel] Pairing udev's SYSTEMD_WANTS and systemd's templated units

Lennart Poettering lennart at poettering.net
Thu Aug 14 08:27:26 PDT 2014


On Thu, 14.08.14 17:10, Harald Hoyer (harald.hoyer at gmail.com) wrote:

> 
> On 14.08.2014 13:00, Lennart Poettering wrote:
> > On Thu, 14.08.14 10:02, Ivan Shapovalov (intelfx100 at gmail.com) wrote:
> > 
> >> The only thing: PROGRAM="...", ENV{SYSTEMD_WANTS}+="...%c..." idiom seems a
> >> pretty ugly way to invoke systemd-escape. This looks like a pretty common
> >> thing to do; shouldn't there be a shorthand or something? (just a suggestion)
> > 
> > Yeah, I agree, but I not entirely sure how this could look like in a
> > nice way?
> > 
> > Maybe add:
> > 
> > ENV{SYSTEMD_WANTS_INSTANCE}="bar"
> > ENV{SYSTEMD_WANTS_TEMPLATE}="foo at .service"
> > 
> > or so, would escape "bar" and add it into foo at .service... But that's not
> > particularly generic but focusses only on the instance/template case...
> > 
> > Ideas?
> > 
> > Lennart
> > 
> 
> Why not extend udev with new % specifiers for the systemd escaped name?

What syntax would you propose? Note that there are probably a couple of
different strings people might want to have escaped?

Lennart

-- 
Lennart Poettering, Red Hat


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