Re: [gentoo-soc] (draft) final report for OpenRC soc project 2012

[Luca Barbato]

On 8/15/12 5:14 PM, heroxbd@×××××.com wrote:
> Dear guys and gals,
>
> For the soft pencil down, I'd like to aggregate a report for the overall
> status for my project.
>
> The goals have been achieved:
>
> 1. Prefix support of OpenRC

And it looks quite nice

> 2. A evaluation of existing init systems
>
>     This includes solaris SMF, Mac OSX launchd, Fedora systemd, OpenSUSE
>     systemd/LSB combo, Ubuntu upstart and Debian LSB/insserv combo.

Were is it? I'd like to read it =)

> 3. service supervisor
>
>     achieved via runit, doc at
>     http://www.awa.tohoku.ac.jp/~benda/projects/runit.html
>
>     will move to wiki after runit feature is pulled in my WilliamH.
>
>     git repo:
>     http://git.heroxbd.z.tuna.tsinghua.edu.cn/openrc.git?p=openrc.git;a=shortlog;h=refs/heads/runit
>
>     This is a cool feature, while it have changes to default behavior of
>     OpenRC initscripts. Therefore documenting it comprehensively is
>     necessary. A GLEP will be composed to serve as an RFC for the Gentoo
>     community, official explanation and general guideline to simplify
>     present (already simplified compared to LSB conterparts) init scripts
>     shipped in ebuilds.
>
>     btw, s6 (http://www.skarnet.org/software/s6/why.html) is a better
>     alternative to runit.

Seems interesting indeed, would you consider working on it later?

> 4. OOM killer/periodical command
>
>     Not implemented here, tested with monit (http://mmonit.com/monit/)
>     and fcron (http://fcron.free.fr/). No integration or modification is
>     need in OpenRC, unlike runit. At most, we can introduce a
>     IN_PERIODICAL envvar, as how IN_HOTPLUG works.

I'd like to have more information here.

> 5. event driven actions
>
>     Same as hotplug feature already in OpenRC, triggered by udev, just
>     lack of documentation. If used with runlevel stacking (another under
>     documented feature of OpenRC), it can cover all the use cases I could
>     imagine.
>
>     That's enough. upstart features a udev-upstart-bridge after all. It
>     is a cool feature and we can adopt it with a combo of tools and
>     achieve sane default behavior by packaging with, e.g., our beloved
>     ebuild. The revolutionary event based init design is more of
>     propaganding, IMHO.

I'd like to see a wiki page or some more on that =)

> 6. OpenRC introduction to debian
>
>     documented at
>     http://wiki.debian.org/OpenRC
>
>     git repo:
>     http://git.heroxbd.z.tuna.tsinghua.edu.cn/openrc.git?p=openrc.git;a=shortlog;h=refs/heads/debian
>
>     ITP bug:
>     http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684396
>
>     on going debian packaging collaboration
>     http://anonscm.debian.org/gitweb/?p=collab-maint/openrc.git;a=shortlog;h=refs/heads/debian
>
>     I will work closely with the debian team. Hope debian can stand
>     against the gigantic storm of systemd.

Looks great so far and coordination is great

> The next time consuming task is to push my contribution to upstreams,
> very likely improving it from the feedbacks along the way. I need to
> stay tuned and work together with people, including Prefix herd, OpenRC
> herd and Debian init system developers.
>
> Thanks to this project, I find init system an interesting topic, with
> all the advertisements, politics, debates and cultural collisions
> mixed. Making a reliable, minimalistic, elegant, fast and extendable
> init system with dependency handling, optional event triggering,
> optional service supervising, etc. is definitely not a simple task.
>
> The ideas of OpenRC and the way new features gets added resonates with
> my own value of how computer should work. I will continue to work on it
> after soc.
>
> I'd like to thank my mentor Luca for introducing me to this exciting
> realm, for his support and advise all along. I'd like to thank Patrick,
> Fabian, William, Roger for the discussions and support. My thanks also
> go to people in mailing lists and IRC channels (esp. cxxCZ and ryao) who
> commented for providing nice ideas/criticism and sharping my mind.
>
> Finally replies to my last plans on 8.12,
>
> Luca Barbato <lu_zero@g.o> writes:
>
>>> I will install a OpenSUSE first for trying out native systemd. Then
>>> write a tool to parse its unit files.
>>
>> Ok. Please document it.
>
> Tried systemd on OpenSUSE, disappointed by its ini unit files. At
> present don't see the necessity for a parser.

The unit file feature is something touted a lot, why you found it 
disappointing?

>>> another plan for today
>>>
>>> install newest ubuntu to try out upstart natively. Make a draft
>>> event driven system on my laptop(debian) by newly packaged OpenRC with
>>> incron/inotify extension.
>
> incron not needed, it is for filesystem after all. udev + hotplug@OpenRC
> do the job.

More should be said on that =)

> Succeeded, thinking of documenting it in wiki.

Please do

lu