[arch-general] Comment on: Use systemd timers instead of /etc/cron.{hourly, daily, weekly, monthly}?

[Leonid Isaev]

Hi,

On Wed, 7 May 2014 13:34:29 -0500
Maciej Puzio <mx34567 at gmail.com> wrote:

> On Tue, May 6, 2014 at 3:13 PM, Leonid Isaev <lisaev at umail.iu.edu> wrote:
> > On Tue, 6 May 2014 13:23:26 -0500
> > Maciej Puzio <mx34567 at gmail.com> wrote:
> >
> >> As I wrote before, I can edit every timer file and set the elapse
> >> time. What I can't do is to change one setting which says when daily
> >> maintenance tasks are run. This was possible with cron, but is no

You mean, you could change /etc/anacrontab?

> >> longer possible now. What's the problem to edit four files? Well, this
> >> is multiplied by the number of machines that are under my care.

Why can't you put additional configs in /etc/systemd/system/xxx.timer.d/ dir?

> >> Again, here is relevant systemd RFE link:
> >> https://bugs.freedesktop.org/show_bug.cgi?id=77938
> >
> > This is bogus.
> 
> Leonid, please reread the above paragraph and my previous posts, with
> comprehension. With all due respect, your replies are not related to
> the issue discussed.

It is completely unclear what you want to be fixed and the title is
misleading...

If you have machines m_1 ... m_N and want to spread the anacron jobs, you need
to edit N anacrontabs, right? Now you need to do k*N changes, k -- the number
of jobs used to be started by anacron. Are you asking for a centralized
control affecting all "daily" timers like the per-machine anacrontab? If true,
this is unlikely to be implemented (at least I wouldn't do it).

Perhaps a proper approach is to create a special target for your maintainance
jobs which would pull all relevant services and would itself be triggered by an
OnCalendar timer. Although I am not sure whether a timer can directly trigger
a target yet...

Cheers,
-- 
Leonid Isaev
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