Hi!

It depends how once organizes its container, but it is pretty normal
that one calls runsvdir as the PID 1 in the Docker container. So that
Docker runtime, when it is creating the container, calls directly the
runsvdir on one directory, which contains all the services inside the
Docker container.


Mitar

On Wed, Feb 1, 2017 at 9:55 AM, Steve Litt <sl...@troubleshooters.com> wrote:
> On Wed, 1 Feb 2017 12:09:01 -0500
> Roger Pate <ro...@qxxy.com> wrote:
>
>> On Wed, Feb 1, 2017 at 11:48 AM, Laurent Bercot
>> <ska-skaw...@skarnet.org> wrote:
>> >  You want a clean process tree with a visually pleasing "ps afuxww"
>> > output? Fix your services so they don't leave orphans in the first
>> > place. ...
>> >  Reparenting orphans to anything else than the default is a
>> > backwards way to solve a nonexistent problem.
>>
>> Name it reaperhack:
>>     reaperhack is what it says: a hack. Ideally, you should never have
>> to use it. It is only useful when you want to supervise a daemon that
>> results in orphans; and even then, the right thing is to report this
>> as a bug to the author of the program leaving orphans and have it
>> fixed.
>
> Am I missing something? Do containers not have a PID1? If so,  what
> runs runsvdir (with the runit init system)? What starts up whatver sv
> script?
>
> Thanks,
>
> SteveT
>
> Steve Litt
> January 2017 featured book: Troubleshooting: Just the Facts
> http://www.troubleshooters.com/tjust



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