[systemd-devel] Cascading oneshot units

[Andrei Borzenkov]

The simplest way is to add Wants=bar.service and After=bar.service to foo.service.

Отправлено с iPhone

> 20 марта 2018 г., в 7:44, Evan Klitzke <evan at eklitzke.org> написал(а):
> 
> I am wondering how to create a cascade of oneshot units that should run
> on a timer. What I'm imagining is something like the following:
> 
> foo.timer
> foo.service
> bar.service
> 
> In this example foo.service and bar.service are both Type=oneshot with
> no [Install] section. foo.timer declares Unit=foo.service, which causes
> foo.service to run whenever the timer triggers. That's simple enough,
> and I have that working.
> 
> I want bar.service to run after foo.service completes, as it operates on
> some data generated by foo.service. I'm not sure what the magic bits are
> to make this work. I could obviously work around the issue by wrapping
> the logic for the two jobs in a shell script that runs the two actions
> sequentially, but I rather like the logging and status utilities
> provided by systemd, so having them as separate units seems preferable.
> 
> --
> Evan Klitzke
> https://eklitzke.org/
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