[Labs-l] A (21) day in the Labs

[Mono]

I'm sorry, I simply don't have the time to wade through this all. What's
the difference between a project and an instance? I don't know, I just want
to put some PHP files up and connect them to a database. And what's a
puppet group? And a sudo group? And how many servers do I need to just
replicate the Toolserver? Which project should I choose?

This is still far too complicated for anyone without some sort of computer
science degree.


On Mon, Apr 8, 2013 at 7:30 AM, Marc A. Pelletier <marc at uberbox.org> wrote:

> <Tron>Greetings, Programs!</Tron>
>
> So, not many updates for a while, as things have been progressing at a
> fair clip in the "oh, my god boring gruntwork" front.
>
> The biggest news is the addition of Petr Bena to the tools project
> sysadmin team as its first volunteer.  Petr has been very involved in
> the setup and administration of the Tool Labs' predecessor projects, and
> will continue to steer the bots project where the rules are a little
> more relaxed to facilitate more experimental development.
>
> He's also joining me on the tools project proper, to help provide
> support to maintainers over a wider range of times, and to increase
> availability of sysadmins.  You can find him hanging around
> #wikimedia-labs, often at times where I am not available.
>
> There is some documentation-in-progress that give a lot of information
> on how to set up your tools on the Labs architecture at:
>
> https://www.mediawiki.org/wiki/Wikimedia_Labs/Tool_Labs/Help
>
> Please don't hesitate to comment if you see missing information, or if
> parts of it are less clear than idea.
>
> On the other fronts, the wikitech management interface is now in place
> for self-serve of tool account creation by Labs users; this requires
> moving already-existing tool accounts to the new scheme, and a brief
> outage for that purpose later this week (see note below)
>
> Experiments with a bulletproof replacement for gluster are well on their
> way; with NFS from a highly redundant server as the currently favored
> option.  With a bit of luck, I'll use the opportunity given by the
> outage for the tool account switchover to move the shared tools
> filesystem to NFS as a trial run.
>
> The database replication is also well on its way; you can find the
> current roadmap at:
>
> https://wikitech.wikimedia.org/wiki/Tool_Labs/Database_plan
>
> === Planned outage ===
>
> In order to move the extant tool accounts to the new, final scheme, and
> (progress permitting) move the shared filesystems to a new storage
> server, there will be a brief outage of the Tool Labs infrastructure
> this Thursday April 11 starting at 16:00 UTC.  The outage is expected to
> last 20 minutes during which service will be intermittently unavailable.
>
> Announcements will be sent by email, on IRC and on the servers 30
> minutes before the start of maintenance, at its start, and upon completion.
>
>
> Impact:
>
> * Jobs running on the grid engine will be stopped then restarted
> automatically at the end of the maintenance window.  If you are running
> a job that cannot or should not be restarted automatically without
> intervention from its maintainers, please make certain that it has been
> stopped before the start of the maintenance window;
> * The login server will be restarted during the window, ending active
> sessions;
> * The web service will be intermittently unavailable; and
> * Running processes not scheduled through the grid engine will be killed.
>
> Recovery plan:
>
> In case of unplanned failure during the maintenance window,
> configuration will be rolled back to the current version and a new
> window will be planned after postmortem.  Disruption of services will
> take place as noted and an announcement will be sent.
>
>
> -- Marc
>
> _______________________________________________
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> Labs-l at lists.wikimedia.org
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>
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