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Wikimedia Release Engineering Team/Checkin archive/20150901

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2015-09-01

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Team Business

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  • FYI
    • Aaron's multi-DC work in public RFC meeting, Wednesday Sept 2, 21:00 UTC

Deploy tooling

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Objective: Reduce number of deploy tools from 3 to 2 Key result: Migrate all Service team owned services and MW deploys to scap3 - task T109926

We don't have a KPI to track this one, but it's easy to measure success ("did we retire trebuchet and ansible?").

Open questions: 1) Still doable (retirement of Trebuchet and Ansible by December)? 2) Request: We probably want specific subtasks of that one for the individual Service Team owned services 3) Note: The current "scap3" sprint does not need to be tracked by this task (T109926) because it's our Q1 work.

Migrate Gerrit to Differential

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Objective: Retire Gerrit in favor of Phabricator (Differential) Key results: .... tbd ...

Open questions: 1) We need to own the Gerrit-Migration board and make it reflect reality (what actually needs to happen). https://phabricator.wikimedia.org/project/board/9/ I presume that will take a conversation between at least Chad, Mukunda, and myself (and Quim? Andre?). 2) I've filed a meta-task to track this work (the creation of the plan): https://phabricator.wikimedia.org/T110623

TODO: Meeting of Roadmap doom: Greg (optional), Chad, Mukunda, Antoine? TODO: Greg make the business case stuff

  • get rid of all the various glue bots

NB: Keep in mind that we've allocated ourselves two quarters to complete this work.

CI Scaling

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Objective: Reduce CI wait time Key result: CI cluster responds to spike in queued builds by starting and registering additional jenkins slaves

We can use the "Jenkins/Zuul queue wait" KPI to track the effectiveness of this work: https://phabricator.wikimedia.org/T108750 .

Open questions: 1) Is this task still the right task to judge the completion of this work? https://phabricator.wikimedia.org/T47499

2) Are the blockers of that task still accurate? IOW: when all of those blockers are completed we can consider the work done (whether or not it makes a change to the KPI)? 3) Doable in 3 months?

Zuul gate time KPI attempt https://grafana.wikimedia.org/#/dashboard/db/releng-zuul

On going: 

   ** build on a labs instance (integration-dev)
   ** copy .qcow2 image to /var/www/html
   ** curl from labnodepool
   ** sudo -H -u nodepool -s
   ** cd && . .profile
   ** openstack image create .....

Todo:

  • Refactor MediaWiki tests. Split unit tests in their own jobs and speed up the lame 'integration' tests (10 minutes with Zend).
  • DOCUMENTATION (T2001)
  • figure out a solution to cache npm/pip/composer/rubygems modules (tarballs and compiled)

Q1 goal: nodepool infra build. at least 1 production grade job using Q2: CI cluster responds to spike in queued builds by starting and registering additional jenkins slaves (and migrate more jobs) Q3: migrate rest / phase out legacy


#together

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Scrum of Scrums

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


Isolated CI instances CI Scaling

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https://phabricator.wikimedia.org/tag/continuous-integration/board/?order=priority
Quarterly Priority: Disposable VMs - https://phabricator.wikimedia.org/T47499


Deployment Cabal

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Developer Tooling (MW-Vagrant, MW-Selenium, etc.)

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Phabricator

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Beta Cluster

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https://phabricator.wikimedia.org/project/board/497/?order=priority


Other Work

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Vacations/Confs/etc

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

  • Chad - Sept 7-11 (last minute vacation. mostly reachable by e-mail) Sept 18th & 28th (Music festivals/shows)
  • Ĺ˝eljko planned to be offline on Wednesday September 2 but that has 1% chance of happening, sick kid
  • Monday Sept 7th - US Holiday (Labor Day)
  • Tyler: Sept 8th—in mountains
  • Mukunda: Sept 4th (This friday) (I can attend the sprint meeting, taking the afternoon off)
  • Andrew out this Friday
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