[systemd-devel] customized shutdown service needed

[Eduardo Tongson]

On Sun, Feb 26, 2012 at 4:24 PM, Burkhard Kayser
<kayser-b-2011 at t-online.de> wrote:
> Hello,
> I do need a customized shutdown service which performs some clean up tasks,
> e.g. stopping virtual machines,  before the shutdown service of systemd
> actually starts.
> The shutdown of the system shall be delayed until my script is terminated.
>
> I could not find a suitable configuration. The "templates" in /lib/systemd
> did not help.
>
> I've an OpenSuSE 12.1 system with latest patches installed.
>
> Here is my configuration:
>
> [Unit]
> Description=my shutdown service
>
> Before=shutdown.service halt.service
> DefaultDependencies=no
>
> [Service]
> ExecStart=/etc/init.d/my_shutdown start
> Type=oneshot
> RemainAfterExit=true
>
> [Install]
> WantedBy=shutdown.target
>
>
> Can please somebody point me to the right configuration?
>
> Thanks for your help.
>
> Regards
> Burkhard
>
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>

This works consistently in my setup:

[Unit]
DefaultDependencies=no
Before=shutdown.target

[Service]
Type=oneshot
ExecStart=script