On 10/01/2018 05:17, Andrei Borzenkov wrote:
09.01.2018 22:28, Joerg Diederich пишет:
Hello,
I have a little (perhaps strange) requirement:
I want to execute a script about five minutes after system boot, but only on
specific weekdays (e. g. Sundays) using systemd.timer. I tried a combination of
OnBootSec and OnCalendar like
OnBootSec=5m
OnCalendar=Sun
but this doesn't work.
Well, it works but not they way you want it :) As documented, multiple
directives are additive - timer will trigger when any of them elapses.
May be it could be expressed more obviously.
There is a workaround but it's a bit more complicated than it should be
: use multiple timers.
timer1.timer ; OnBootSec=5m
timer1.service ; Wants=timer2
timer2.timer ; Oncalendar=Sun
Note that you need the intermediate unit, you cant user
Unit=timer2.timer in timer1.timer because a timer is not allowed to
start another time (I don't know why)
You can also have a look at https://github.com/systemd/systemd/pull/7023
where II suggested something similar for upstream
Cheers
Jérémy
My script executes always after boot. I'm running systemd-228-38.1.x86_64 on
SuSE LEAP 42.3. Of course, I can modify my script to ask for the current
weekday, but I thought, it would be more elegant to configure it all together
in the timer unit file.
This would likely require new directive or at least new syntax. Timers
define point in time, not period of time.
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