Wikimedia Release Engineering Team/Checkin archive/20160725

2016-07-25

Vacations/Important dates

How to do it: https://www.mediawiki.org/wiki/Wikimedia_Release_Engineering_Team/Time_off

• July 25 - August 15: Željko vacation. Will have laptop with me. Reachable via phone.
• July 30 - August 21: Antoine vacation. At home 1st week.
• August 1st - 5th: Mukunda - vacation: Concert & relaxation

...

• January 9-11: Dev Summit
• January 12-13: All Hands

Team Business

Rotating positions and absences

Maniphest query for deployment blocker tasks: https://phabricator.wikimedia.org/u/blockers

weeks of July 25 and Aug 1

• Train: Tyler
  • wmf.12
  • wmf.13
• SoS: Mukunda / Tyler
  • https://phabricator.wikimedia.org/E155/17 - Mukunda
  • https://phabricator.wikimedia.org/E155/18 - Tyler
• Out:
  • Zeljko: July 25 - Aug 15
  • Antoine: July 30 - Aug 21
  • Mukunda: Aug 1-5

weeks of Aug 8 and Aug 15

• Train: Mukunda
  • wmf.14
  • wmf.15
• SoS: Chad
  • https://phabricator.wikimedia.org/E155/19
  • https://phabricator.wikimedia.org/E155/20
• Out:
  • Zeljko: July 25 - Aug 15
  • Antoine: July 30 - Aug 21

Time spent spreadsheet

• Week 29 - https://docs.google.com/spreadsheets/d/1IrwGPdTDZ6H8x9Mf5dmCYlkK4hZ8sbUSLODEM4cFc4g/edit#gid=1206189115

Actions from last meeting

• TODO: file task re upgrading MW-Vagrant guests to Jessie
  • done by bryan :)
  • https://phabricator.wikimedia.org/T136429

Scrum of Scrums

https://phabricator.wikimedia.org/project/board/64/

Blocked on us: https://phabricator.wikimedia.org/maniphest/query/h7YTCBTJsepS/#R

This week

• Blocking
• Blocked
• Updates
  • Labs update (with CI distruption)
    • Proposed 2016-08-02. What time is best?
  • Andrew still wondering about https://phabricator.wikimedia.org/T139771
    • If everything is fine w/CI response then it's all good :)

Last week

Blocking

• • Android to differential
• Blocked
  • None
• Updates
  • Zuul upgraded this week, should address a bunch of issues
  • New SWAT deploy process going ok, reminder to install

https://wikitech.wikimedia.org/wiki/X-Wikimedia-Debug if you're putting things up for SWAT

Other Team Business

Project tech leads

• https://phabricator.wikimedia.org/T139540#2485589
• tl;dr: how about we just add an explicit "Lead" for each quarterly goal?
  • eg: https://www.mediawiki.org/w/index.php?title=Wikimedia_Release_Engineering_Team%2FGoals%2F201617Q1&type=revision&diff=2196830&oldid=2181515

Offsite

• agenda/purpose :)
  • https://phabricator.wikimedia.org/T138437
  • Will be meeting with Kristen Lans from TPG re potential TPG support in 2 hours :)
  • Last offsite writeup with lessons learned: https://docs.google.com/document/d/17C6x_Sys21DcEZ_HxgLA7FkCYeiTUAzZX1XbEcZTNfw/edit#

Q1 goal/project check-in

Phase out Ubuntu Precise

Replace primary production Continuous Integration host (gallium) - T95757

• NEXT: https://phabricator.wikimedia.org/T139771 - "Identify metric (or metrics) that gives a useful indication of user-perceived (Wikimedia developer) service of CI"
• Tyler and Hashar reply to Faidon's comment, keeping focused on getting off of gallium for now

Upgrade Phabricator database servers to Maria10/Jessie - T138460

•  Done

Upgrade Beta Cluster database servers to Maria10/Jessie - T138778

• waiting on Jaime to priority
  • Priority is "this quarter" (not "this month" or "next week")
• up to us to schedule, should be no more than an hour for Jaime
• NEXT: Needs an owner
  • DAN!

Reduce Technical Debt

Perform a technical debt analysis of software and services maintained by WMF Release Engineering - T138225

• Original mega sheet: https://docs.google.com/spreadsheets/d/1Kxj9p4fKVNo2h23yAQVoOGg77dZ4FLxeXuYrH-1CrPA/edit#gid=0
  • Already is tracking specific 'things' which need to be addressed
• Redux: https://docs.google.com/spreadsheets/d/1Ncbgbg-ZPSSScOaGswQSJRtreuJOlizRCFln4KyfMWI/edit#gid=0
  • Simply severity+importance.
• Redux Redux: https://docs.google.com/spreadsheets/d/1btVdLuV59GZkQax8Hk0jkWDeyF5O_M5HkylWL0WxHxo/edit#gid=0
  • Just severity

• Next steps?
  • Fill out Redux Redux
  • Based on Redux Redux identify the one thing to focus on
  • then plan accordingly in Phabricator

Streamline deployments (long-lived branches)

keyresult task:

• Convert our production deployment strategy to use long-lived branches - T89945

project view: https://phabricator.wikimedia.org/project/view/2117/

Non-Quarterly goal work

SWAT deploy changes

• European SWAT deploys next steps (T137970
  • NEXT: stalled pending finding people to do the SWAT window while Antoine and Zeljko are on vacation
• Week of 20th August lets gogogo

CI Scaling/Nodepool

• Wait time for Nodepool instances https://grafana.wikimedia.org/dashboard/db/releng-kpis
• Zuul repackaged with latest upstream. Will upgrade all fleet early this week.
• debian-glue job enhanced
• TODO: Zuul packaging tutorial
• TODO: android job. Move to Jessie, hacked over the week-end has to be polished https://phabricator.wikimedia.org/T139137
• MySQL on CI slaves either shutdown randomly / or does not start on boot  :(

Differential migration

Differential weekly (https://etherpad.wikimedia.org/p/diffuerential-weekly ) TODOs:

• Mukunda had questiosn for antione re puppet (keys into the private store, production or other? for CI image builder)
  • see: https://cloudbees.zendesk.com/hc/en-us/articles/203802500-Injecting-Secrets-into-Jenkins-Build-Jobs

• Update documentation on creating/renaming of repos in Diffusion
  • https://phabricator.wikimedia.org/T139688

• Update task with discussion about ACLs?
  • https://phabricator.wikimedia.org/T130786

• Announce plan to migrate MW-Vagrant to Differential
  • https://phabricator.wikimedia.org/T131419#2439362
  • outstanding patches should be either merged, abandoned or migrated to differential revisions.

Beta Cluster

• "deployment-fluorine becomes unresponsive frequently" - https://phabricator.wikimedia.org/T140313
  • TODO: Submit patch ( https://gerrit.wikimedia.org/r/#/c/299672/ ) for PuppetSWAT?

Other

• Figure out how to help Jaime with the DB schema inconsistencies issue:
  • https://phabricator.wikimedia.org/T132416 and https://phabricator.wikimedia.org/T104459 (see also: https://www.mediawiki.org/wiki/Development_policy#Database_patches )
  • What can we do in CI to help prevent, mostly?
  • Chad will lick this cookie :)

Scap querying logstash now for the canaries:

• Email to review: https://etherpad.wikimedia.org/p/scap-announce-2016-07-25

People status updates

Antoine

Last week

• Gerrit upgrade / Zuul upgrade
• Target host to replace gallium
• Sync up with Tyler for CI / gallium phase out
• Moaar maintenance
• Offsite site/date

This week

• Zuul upgrade to latest upstream
• Zuul packaging doc
• Vacations backup plan

Chad

Last week

• Moar Gerrit. Train. Choo choo.

This week

• Gerrit. Remove precise remnants from puppet, tune cache stuff, CSS tweaks for crap UI. Triaging old bugs to see which are fixed / invalid / still fixable.
• DB consistencies thingie for Jaime. I owe him one.

Dan

Last week

• Getting back

This week

• Start poking at MW-Vagrant jessie base image https://phabricator.wikimedia.org/T136429
• Figure out where we're at with Malu

Mukunda

Last week

• Get the merge-wmf-branch script cleaned up and shared with the team for feedback
• Brainstorm improvements / other ideas around branch merging / cherry-picking

This week

• T141278: Decide how ReleaseTaggerBot fits into the brave new world of long-lived-branches https://phabricator.wikimedia.org/T141278

Tyler

Last week

• MW Canary work

Željko

Last week

• trying to do the first SWAT (depending on https://phabricator.wikimedia.org/T140264 MediaWiki deployment shell access request for zfilipin)
• Analyze (and share analysis of) the browser testing feedback survey https://phabricator.wikimedia.org/T139247
• Run language screenshots script for VisualEditor in Jenkins https://phabricator.wikimedia.org/T139613

This week

Vacation