[systemd-devel] Antw: Re: Antw: [EXT] Re: [EXTERNAL] Re: ExecStop doesn't get called when service crashes

[Ulrich Windl]

>>> Reindl Harald <h.reindl at thelounge.net> schrieb am 10.06.2020 um 12:27 in
Nachricht <2556aec7-0a35-ef09-ff05-e33cba1f1a0f at thelounge.net>:

> 
> Am 10.06.20 um 11:46 schrieb Ulrich Windl:
>>>>> Reindl Harald <h.reindl at thelounge.net> schrieb am 10.06.2020 um 08:57
in
>> Nachricht
>>
<24655_1591772239_5EE0844E_24655_111_1_4d778c1b‑9150‑c64e‑574b‑e5beb1b68d6a at thel
>> unge.net>:
>> 
>>>
>>> Am 10.06.20 um 05:27 schrieb Baskaran, Vinothkumar:
>>>> Hi Reindal,
>>>>
>>>> Thanks for the inputs.
>>>>
>>>> In my case, the service is successfully started. The pre‑script's return

>>> status is also success. Please find the output below. Still, ExecStop 
> doesn't 
>>> get invoked. I tried replacing it with ExecStopPost, it gets invoked 
>>> successfully.  But, ExecStopPost cannot be used, since it gets invoked on

>>> failed cases too. 
>>>
>>> your subject "ExecStop doesn't get called when service crashes" simply
>>> makes no sense at all then  because that's what a failed case is
>> 
>> Interesting case: Would FailureAction= be called then?
> 
> when the main prcoess crashes surely, that's what it's all about but
> none of the actions are appealing for most services :‑)

Sorry, I missed to recognize that the actions are not user-difinable, but from
a set of pre-configured actions.

Maybe a ExecFailurePost= (Action to perform _after_ a failure (unexpected end
of service) was detected) is needed ;-)

> 
> FailureAction=, SuccessAction=
> Configure the action to take when the unit stops and enters a failed
> state or inactive state. Takes one of none, reboot, reboot‑force,
> reboot‑immediate, poweroff, poweroff‑force, poweroff‑immediate, exit,
> and exit‑force. In system mode, all options are allowed. In user mode,
> only none, exit, and exit‑force are allowed. Both options default to none.
> 
> If none is set, no action will be triggered. reboot causes a reboot
> following the normal shutdown procedure (i.e. equivalent to systemctl
> reboot). reboot‑force causes a forced reboot which will terminate all
> processes forcibly but should cause no dirty file systems on reboot
> (i.e. equivalent to systemctl reboot ‑f) and reboot‑immediate causes
> immediate execution of the reboot(2) system call, which might result in
> data loss (i.e. equivalent to systemctl reboot ‑ff). Similarly,
> poweroff, poweroff‑force, poweroff‑immediate have the effect of powering
> down the system with similar semantics. exit causes the manager to exit
> following the normal shutdown procedure, and exit‑force causes it
> terminate without shutting down services. When exit or exit‑force is
> used by default the exit status of the main process of the unit (if this
> applies) is returned from the service manager. However, this may be
> overridden with FailureActionExitStatus=/SuccessActionExitStatus=, see
> below.
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