[Lxc-users] Ubuntu template questions

[Serge Hallyn]

On 03/14/2012 03:23 AM, Fajar A. Nugraha wrote:
> On Wed, Mar 14, 2012 at 3:17 PM, Jäkel, Guido<G.Jaekel at dnb.de>  wrote:
>> Dear Fajar,
>>
>> i just googled  http://www.makelinux.net/man/7/P/power-status-changed  . There's written:
>>
>>         This event is not handled in the default Upstart configuration.
>>
>>
>> For control-alt-delete, the corresponding sentence states:
>>
>>         In the default Upstart configuration handling of this event is provided by the /etc/init/control-alt-delete.conf task which runs the shutdown(8) tool.
>>
>>
>> This sounds to me like in the current version of upstart the suggested patches to add a SIGPWR handler are included and there's "just" a script missing. I don't have a Ubuntu available; maybe a simple  power-status-changed.conf  will already do all the magic???
>
> Good catch :D
>
> $ cat power-status-changed.conf
> start on power-status-changed
>
> task
> exec shutdown -h now "Power Down"
>
>
> That, plus an lxc-ps and kill -PWR from the host, was able to shutdown
> the guest cleanly with minimal change to the guest.
>

Thanks guys, this is great.  I don't know if we can swing this this 
cxycle (it's possible) but an upstart package with your job added is at 
https://code.launchpad.net/~serge-hallyn/ubuntu/precise/upstart/upstart-handle-sigpwr

thanks,
-serge