You need DumpPreUserCmd to run to completion before continuing with the
backup. Using systemd will run the command in the background (I believe
even for oneshot), which is almost certainly not what you want to do.
An easier solution is to write a cover script (pick you favorite scripting
language - bash, python, perl etc) that runs mysqldump, emails whatever you
want etc, and then point DumpPreUserCmd at your script.
Craig
On Thu, May 18, 2017 at 8:30 AM, Richard Shaw <[email protected]> wrote:
> On Thu, May 18, 2017 at 9:49 AM, Vladislav Kurz <
> [email protected]> wrote:
>
>> Hello all,
>>
>> First of all big thanks to all developers of BackupPC, it is really a
>> very nice and useful backup tool.
>>
>> I use DumpPreUserCmd (and similar options) to run mysqldump, or make
>> snapshots of filesystems before backup. I would like to have the output
>> of these mailed to me instead of being just logged.
>
>
> Probably not the direction you were thinking but why not create a systemd
> service file for DumpPreUserCmd to start?
>
> I'm assuming you're using a system which uses systemd...
>
> If you prepend the command in the service file with a hyphen the unit will
> exit cleanly even if the command failed...
>
> ExecStart=-/command/to/run
>
> Then you would set your DumpPreUserCmd to "/usr/bin/systemctl start
> <unit>"
>
> You would want to set the unit type to "oneshot" so it doesn't return
> until the command is finished.
>
> Just a thought.
>
> Thanks,
> Richard
>
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