Wikimedia Release Engineering Team/Checkin archive/20150324

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2015-03-24[edit]

Team Business[edit]

  • Deployment discussions happening
    • Streamline our service development and deployment process https://phabricator.wikimedia.org/T93428
      • Gabriel Wicke contacted Antoine about using Docker to provision/deploy services and wondering whether we could use it for CI. Seems to overlap Vagrant, would be nice if Dan could figure out with Gabriel :-)

(antoine summarized)

Team Quarterly Goals[edit]

https://phabricator.wikimedia.org/maniphest/query/O9isnUt5IGLP/#R

Scrum of Scrums[edit]

https://phabricator.wikimedia.org/project/board/64/
Blocked on us: https://phabricator.wikimedia.org/maniphest/?statuses=open%2Cstalled&allProjects=PHID-PROJ-arpazvuktn2l647rb6us#R

Isolated CI instances[edit]

https://phabricator.wikimedia.org/tag/continuous-integration/board/?order=priority
Quarterly Priority: Disposable VMs - https://phabricator.wikimedia.org/T47499
  • Procurement for 2 servers in labs subnet with Jessie: https://phabricator.wikimedia.org/T93076
  • Zuul packaged for Precise and apparently working \o/
  • Have to rebase Trusty then work on a Jessie package with OpenStack folks / Debian python teams.
  • Started Nodepool packaging targetting Jessie (way easier)
  • Will need puppet work with Zeljkof.

Beta Cluster stability[edit]

https://phabricator.wikimedia.org/project/board/497/?order=priority
Quarterly Priority: Green nightly builds on staging: https://phabricator.wikimedia.org/T88701
Quarterly Priority: Stable uptime metrics of the Staging cluster: https://phabricator.wikimedia.org/T88705
  • l10nupdate is broken, the log file says it is out of disk space (no task filled) /var/log/l10nupdate/l10nupdate.log
  • beta-scap-eqiad always rebuild l10n cache since March 17th causing build to take more than 10 minutes.
  • chad working on finalizing staging-tin
  • I'm digging into swift stuff...confused...but progress
 - possibly need additional volumes mounted on backend (see what we do with Elastic?)
  • aside from parsoid, most are mw app servers remaining, i.e. need staging-tin

Test history[edit]

Quarterly Priority: By team test history: https://phabricator.wikimedia.org/T88706
  • Spiking on Elasticsearch + custom dashboard this week
    • if it's too difficult/expensive will implement Jenkins dashboards next

CI[edit]

  • Jenkins upgraded to latest LTS yesterday at 11pm UTC (security update)
  • Some Jenkins plugins upgraded (some we dont want to upgrade like git* and ansicolor)
  • Gallium/Lanthanum filling disk due to mediawiki/core cloned in each job.
  • In Zuul, most repos share the same gate-and-submit queue because they now share common jobs.
    • Would need to patch Zuul server to change the behavior.

MediaWiki Releases[edit]

Quarterly Priority: Release MediaWiki 1.25: https://phabricator.wikimedia.org/T88709
Branching at wmf26 (aka on April 8th)

Other Work[edit]

Hiring[edit]

Vacations/Confs/etc[edit]

  • Dan in France the week before offsite (May 11-15)
  • Week before hackathon: Team offsite in France - https://phabricator.wikimedia.org/T89036
  • May: Hackathon in Lyon, France
  • Chad vacation after offsite (maybe, dubious now)
  • Elena on vacation May26-June07
  • Antoine: observing french holidays: Mon April 6th, Fri May 1, Fri May 8, Thurs May 14