Wikimedia Release Engineering Team/Checkin archive/20150707

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2015-07-07[edit]

Team Business[edit]

Pairing (#together) / Weekly Triages[edit]

  • Did we decide to go with Phabricator or Google calendar?
    • Try phabricator, see how it works for you. Most of the bugs should be fixed, phab calendar is coming out of beta soon.
  • Tyler to move deployment systems triage meeting to wednesday
  • Tyler:Dan:Chad pairing Tuesday (today) on isolated Beta Cluster backend for security scanning
  • Zeljko/Antoine still pairing

Scrum of Scrums[edit]

https://phabricator.wikimedia.org/project/board/64/
Blocked on us: https://phabricator.wikimedia.org/maniphest/?statuses=open%28%29&projects=PHID-PROJ-arpazvuktn2l647rb6us#R


Beta Cluster[edit]

https://phabricator.wikimedia.org/project/board/497/?order=priority
  • Antoine paired with Marko from services team to bring up on par with JJB.
    • Talked about enhancing the mediawiki/services auto deployment on beta.

Deployment Cabal[edit]

  • Building RESTBase instances (got 5 of 10 up)
  • Getting Ansible running on staging
  • "GDEP" repo created in Phabricator to hold deployment code. Yay!
  • begin building a framework around the high level deployment process

Isolated CI instances[edit]

https://phabricator.wikimedia.org/tag/continuous-integration/board/?order=priority
Quarterly Priority: Disposable VMs - https://phabricator.wikimedia.org/T47499
  • Dan and Antoine paired. Talked about a strategy to build the images.
    • Going to try Vagrant, but maybe we will use diskimage-builder. No clue yet :-D
  • Idea have the base image provisionned as much as possible to minimize the first puppet run once instance boots
  • Where to put our puppet manifests? No clue yet.
  • Jenkins upgrade on Wednesday with Zeljko - https://phabricator.wikimedia.org/T101884
  • AGREED: Antoine to push Nodepool dummy passwords to labs/private.git then sync with Andrew to push the real pass in the real repo

Phabricator[edit]

  • Updated to the 'redesign-2015' branch upstream, the upgrade went very slowly due to some slow db migrations
    • Seems to be mostly working well, with a few visual glitches, the worst of which I patched locally
    • Can you pull in https://secure.phabricator.com/D13544?
    • Need it before wednesday?
    • No, just making sure it gets included in next upstream pull
    • I pull everything on wednesday so it should get included then
    • Thx!

Developer Tooling (MW-Vagrant, MW-Selenium, etc.)[edit]

  • Working JJB builder for pre-merge (currently experimental) MW-Selenium builds ( https://phabricator.wikimedia.org/T103039 )
  • Video recording of headless sessions Xvfb display ( https://phabricator.wikimedia.org/T104583 )
    • Watch out for disk space on Trusty slaves. Only 60GB disk and 80/85% full
    • XVFB display port :94 used by qunit/karma jobs
      • Worked around by setting the display based on the Jenkins executor slot + 70. Keep the XVFB isolated between jobs at the expense of some memory.
  • Mukunda suggests to reduce the size of videos (ie encode them with some low quality)
  • No point recording/keeping video of scenario that passes.

Other Work[edit]

  • pwstore for release engineering
    • Possible shared passwords we could store:
      • Gerrit credentials for Github
      • other Github shared credentials
      • archiva password?
      • wikitech/labs role accounts for Jenkins users or Nodepool
      • Selenium passwords for beta
      • SauceLabs master account
      • Automated Regression Testing . [1]

To be further discussed on our mailling list thread.


Vacations/Confs/etc[edit]

Please add your time off to your gcal and ADP, as appropriate

  • Greg: July 6-12th - vacation without connection
  • Antoine: July 14th (Bastille day) - August 1st- 23rd
  • Wikimania: Dan, Zeljko, Tyler - 7/13ish - 7/20ish
  • Andrew Bogott: July 18-27, mostly unreachable
  • Chad: July 23-27 (Thur-Sun), reachable by e-mail
  • Antoine: Aug 1st - 22nd (3 weeks!)