Wikimedia Release Engineering Team/Checkin archive/20160808

2016-08-08

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.
• Sept 5th: Labor day
• October 17: OFFSITE
• October 31: Mukunda maybe?

...

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

Team Business

Time spent spreadsheet

• Week 31 - https://docs.google.com/spreadsheets/d/1IrwGPdTDZ6H8x9Mf5dmCYlkK4hZ8sbUSLODEM4cFc4g/edit#gid=749117798

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

weeks of Aug 22 and Aug 29

• Train: Antoine
  • wmf.16
  • wmf.17
• SoS: ???
  • https://phabricator.wikimedia.org/E155/21
  • https://phabricator.wikimedia.org/E155/22
• Out:

Actions from last meeting

• none

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
  • New SWAT window schedule starting Aug 22nd
    • See: https://wikitech.wikimedia.org/wiki/Deployments#Week_of_August_22nd
    • And: https://wikitech.wikimedia.org/wiki/SWAT_deploys#The_team
    • https://phabricator.wikimedia.org/T137970

Last week

• Blocked
  • None
• Blocking
  • None?
• Updates
  • New Scap release that uses logstash_checker.py coming—live on beta already test please
  • Lots of folks out this week, next week less folks out.

Other Team Business

Offsite

• Rachel is working on venue options still; some good options so far
• what do you want to talk about? Fill this out/vote on ideas:
  • https://etherpad.wikimedia.org/p/releng-offsite201610-proposedtopics

CI

• Job mediawiki-extensions-php55 frequently fails due to "Segmentation fault" - https://phabricator.wikimedia.org/T142158
  • commented

Q1 goal/project check-in

Phase out Ubuntu Precise

Replace primary production Continuous Integration host (gallium) - task T95757

• NEXT: https://phabricator.wikimedia.org/T139771 - "Identify metric (or metrics) that gives a useful indication of user-perceived (Wikimedia developer) service of CI"
• TODO: Tyler reply to Faidon's comment, keeping focused on getting off of gallium for now, we don't really care which network

Upgrade Phabricator database servers to Maria10/Jessie - task T138460

•  Done

Upgrade Beta Cluster database servers to Maria10/Jessie - task T138778

• Beta Cluster db upgrade needs a (temp) quota bump - https://phabricator.wikimedia.org/T138778
  • NB: This might be alleviated thanks to some instance shrinking by Krenair

Move Gerrit off of ytterbium

•  Done

Reduce Technical Debt

Perform a technical debt analysis of software and services maintained by WMF Release Engineering - task 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 (THIS WEEK - week of Aug 1)
  • Based on Redux Redux identify the one thing to focus on (NEXT WEEK - week of Aug 8)
    • As of now looks like MW 3rd party release tooling and l10nupdate are the hot spots
    • CI/nodepool also on the list

Streamline deployments (long-lived branches)

keyresult task:

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

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

• continue to talk over https://phabricator.wikimedia.org/T140921#2499463
• maybe get a response from Timo
  • TODO: Chad lay out ideation on the ticket to then get Timo to review
• Mukunda to share branch merging prototype code and solicit feedback from the team
• Maybe start playing with jenkins api for SWAT tool

Non-Quarterly goal work

SWAT deploy changes

• European SWAT deploys next steps (task T137970
  • NEXT: stalled pending finding people to do the SWAT window while Antoine and Zeljko are on vacation
• Week of 20th August lets gogogo
  • Greg will email an announcement Tuesday Aug 9th

Browser tests

• TODO: Check status of the gem update to fix the https issue

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

DB Inconsistencies

• 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 :)

People status updates

Antoine

Last week

• Vacation

This week

• Vacation

Chad

Last week

• Gerrit 2.12.3 (trivial, only a minute or two of downtime)
• DB consistencies ....

Dan

Last week

• Start poking at MW-Vagrant jessie base image https://phabricator.wikimedia.org/T136429
• Migrate deployment-prep to jessie https://phabricator.wikimedia.org/T138778

This week

• Start poking at MW-Vagrant jessie base image https://phabricator.wikimedia.org/T136429
• Migrate deployment-prep to jessie https://phabricator.wikimedia.org/T138778
• Follow up on mw-selenium/browser tests dependency updates re https://phabricator.wikimedia.org/T129483

Mukunda

Last week

• Vacation

This week

• Train
• LLB
  • Mukunda to share branch merging prototype code and solicit feedback from the team
  • Maybe start playing with jenkins api for SWAT tool

Tyler

Last week

• Scap update
• train
• analytics/refinery move

Željko

Last week

• Vacation

This week

• Vacation