[systemd-devel] Is it possible to load unit files from paths other than default paths ?

[Andrei Borzenkov]

On Mon, Sep 26, 2016 at 10:06 AM, Raghavendra. H. R <raghuhr84 at gmail.com> wrote:
> But SYTEMD_UNIT_PATH isn't working. I added my executables path for this env
> variable but whatever I add isn't reflected for this variable. If I do echo

Repeating this 100 times won't make it more clear. I already asked you
to paste exact commands and their output that you used to "add your
path for this env variable".

> of $SYSTEMD_UNIT_PATH. Its all empty. My executables are not able to find
> the path and it is not running.
>
> --
> Regards,
>
> Raghavendra. H. R
> (Raghu)
>
> On Thu, Sep 22, 2016 at 12:26 PM, Andrei Borzenkov <arvidjaar at gmail.com>
> wrote:
>>
>> On Thu, Sep 22, 2016 at 9:18 AM, Raghavendra. H. R <raghuhr84 at gmail.com>
>> wrote:
>> > Thank you for the suggestions.
>> > But with this suggestion i.e., generator file, I again need to
>> > add/modify
>> > some files.
>> >
>>
>> You need to add/modify some files to implement your service anyway. I
>> do not see how one more file is a problem so far.
>>
>> > All I'm looking into is I mount my binaries and unit files under /mnt.
>> > By
>> > setting any environment variable like SYSTEMD_UNIT_PATH, systemd should
>> > pick
>> > the unit files from /mnt and execute my binaries as per the instructions
>> > given in unit file.
>> >
>>
>> Which is exactly what it does. You just need to set variable in
>> environment of systemd.
>>
>> > In normal init.d systems, we have environment variables like PATH &
>> > LD_LIBRARY_PATH.
>> > No matter where I place my new executable or library, adding new path
>> > into
>> > these environment variables is enough to execute or link the library.
>> >
>> > Probably this kind of facility is not available in Systemd init systems.
>> >
>> > --
>> > Regards,
>> >
>> > Raghavendra. H. R
>> > (Raghu)
>> >
>> > On Wed, Sep 21, 2016 at 10:40 PM, Andrei Borzenkov <arvidjaar at gmail.com>
>> > wrote:
>> >>
>> >> 21.09.2016 14:26, Raghavendra. H. R пишет:
>> >> > Hi,
>> >> >
>> >> > I'm newbie with systemd boot system and I need help in resolving one
>> >> > issue.
>> >> >
>> >> > I would like to create a service under a customized path Eg:/mnt and
>> >> > systemd should be able to pick my unit file from this.
>> >> >
>> >> > I tried by setting *Environment=SYSTEMD_UNIT_PATH=/mnt *from the
>> >> > console
>> >>
>> >> This should be set in environment of srarted systemd, which in case of
>> >> systemwide init effectively means either you need to use some wrapper
>> >> to
>> >> set it and exec systemd or hack initrd.
>> >>
>> >> Also SYSTEMD_UNIT_PATH does not really play nicely with priorities of
>> >> unit locations (run-time vs. sysadmin vs. shipped).
>> >>
>> >> May be it is simpler to install generator that copies your unit
>> >> definition in standard location. This guarantees it is available before
>> >> systemd starts.
>> >
>> >
>
>