[systemd-devel] [PATCH v3 2/4] service: add watchdog restart/reboot timeouts

[Lennart Poettering]

On Thu, 02.02.12 19:42, Lennart Poettering (lennart at poettering.net) wrote:

> a) track the watchdog alive messages (already merged)
> 
> b) hook up the watchdog with the existing failure logic and introduce
> WatchdogSec for that.
> 
> c) pass watchdog frequency to executed processes via env var
> 
> d) replace failure boolean with an enum
> 
> e) extend start logic to do configurable rate limiting of starts,
> plus optionally reboots when rate limiter is triggered. New options for
> this: 
> 
>     StartLimitInterval=5min
>     StartLimitBurst=5000
>     StartLimitAction=none|reboot|reboot-force|reboot-immediate
> 
> f) hookup /dev/watchdog with all of this
> 
> Of these b) and c) should be fairly easy. I will implement d) in the
> next half hour. e) is fairly easy since we already have ratelimit.c
> which can be trivially reused i guess, and we actually already have a
> static ratelimiter for this built-in, so this is mostly about adding
> configurability and the reboot options to it. f) I am not entirely sure
> how this should look in the end, need to think about this more.

I ave now implemented d), it's available in git. There's now a
ServiceResult enum in service.h which should be extended for
SERVICE_FAILURE_WATCHDOG. 

Lennart

-- 
Lennart Poettering - Red Hat, Inc.