[systemd-devel] [script] Eject CD before shutdown
Philip Müller
philm at manjaro.org
Thu Sep 13 15:14:03 PDT 2012
So, seems to work. I attached my current scripts and two picutes with
error messages.
Also I added now *read -t 30* and fixed hanging by pressing the
Enter-key. Is there any way
to hide those error messages (seems the system still tries to read from
CD after it got ejected),
so my message gets displayed clean? Maybe there is a way to get it cleaner.
Mixed feelings about this one ...
Phil
Am 13.09.2012 20:01, schrieb Philip Müller:
> Sorry, that was my fault. As suggested it works.
> Thx again for your help.
>
> Phil
>
> Am 13.09.2012 18:19, schrieb Lennart Poettering:
>> On Thu, 13.09.12 18:04, Philip Müller (philm at manjaro.org) wrote:
>>
>> [...]
>>
>>> All operations are timed out in systemd by default. You can turn this
>>> off by pasing TimeoutSec=0.
>>>
>>> However, I'd probably recommend you to define your service a bit
>>> differently. Add this to [Unit]:
>>>
>>> DefaultDependencies=no
>>> After=shutdown.target
>>> Before=final.target
>>>
>>> And just use ExecStart= to spawn your code, drop the ExecStop=.
>>>
>>> And then pull that in from final.target.
>>>
>>> In case you wonder: the charts at the end of this man page might
>>> explain better where a service like that is positioned:
>>>
>>> http://www.freedesktop.org/software/systemd/man/bootup.html
>> [...]
>>
>>> [Unit]
>>> Description=LiveMedia Eject Service
>>> Before=unmount.target
>>> After=shutdown.target
>>> DefaultDependencies=no
>>>
>>> [Service]
>>> Type=oneshot
>>> ExecStart=/etc/manjaro/ejectcd
>>> StandardInput=tty-force
>>> RemainAfterExit=yes
>>>
>>> [Install]
>>> WantedBy=shutdown.target
>> Use "Before=final.target" as I suggested, not "Before=unmount.target"
>> (there is no unmount.target anyway, only umount.target).
>>
>> Lennart
>>
>
>
>
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[Unit]
Description=LiveMedia Eject Service
Before=final.target
After=shutdown.target
DefaultDependencies=no
[Service]
Type=oneshot
ExecStart=/etc/manjaro/ejectcd
StandardInput=tty-force
StandardOutput=inherit
StandardError=inherit
[Install]
WantedBy=shutdown.target
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#!/bin/sh
if [ -n "$(blkid -L %MISO_LABEL% |grep -Eo 'sr|cd')" ]; then
eject -m /dev/disk/by-label/%MISO_LABEL%
echo -e "\033[31m"
echo -en "Remove the boot medium, close the tray (if any), "
echo -en "then press ENTER."
echo -e "\033[0m"
read -t 30
fi
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