Deployments

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Notes:
  • Ask for a little more time than what you think you'll need for deployment and testing; you never know what issues may come up and slow you down.
    • Generally, we have found one hour to be a good size for most things.
  • Deployment windows are 'pinned' to the time in San Francisco and thus the UTC time will change due to the United States observance of Daylight Savings Time as appropriate.
  • SWAT deploys are for pushing out simple and low-risk changes (as assessed by you, SWAT team, and the Release Engineering Team). They happen on Mondays to Thursdays at:
    • "European Mid-day SWAT", 04:00 Pacific
    • "Morning SWAT", 11:00 Pacific (except Tuesdays)
    • "Evening SWAT", 16:00 Pacific

For detailed instructions on how to actually deploy code to the Wikimedia servers, see How to deploy code.

Deployments

This page tracks upcoming deployments of software to the Wikimedia Foundation servers that host Wikimedia project sites (Wikipedia, Wiktionary, Wikiversity, Wikimedia Commons, etc.).

Cadence
For the core software ("MediaWiki"): The Wikimedia Foundation currently follows a one-week deploy cadence. This means that there is one week between updates to any one Wikimedia project site wiki (excluding urgent fixes, of course).
For other non-core software: Each team is responsible for their own schedule.
Scheduling
To schedule a deploy window, or if you see a potential conflict with your upcoming deployment, please contact the Release Engineering Team on IRC at #wikimedia-releng connect; pinging Greg (greg-g) or Tyler (thcipriani) directly helps.
Inclusion criteria
See the list at Inclusion criteria for the kinds of changes that require scheduling here.
Long running tasks/scripts
While not strictly a deployment, performing long running (>1 hour) tasks (eg: migration scripts) can encounter issues when code is updated while a script is being run. For this reason it is required to add an entry in the calendar for the task with a window that accounts for the anticipated start time and estimated length for the task.
Communicating
  • Every major or new feature deployment should be announced on the Wikimedia blog and/or Tech News (use the "user-notice" tag on Phabricator) and/or global on-wiki delivery. For routine and maintenance deployments, listing your change here is enough.
  • Changes that are liable to affect site performance or infrastructure should be announced on the ops mailing list. This includes anything that alters caching behavior, introduces cookies, substantially increases the static asset payload, or adds new and complicated query patterns.
Something went wrong‽ (see also Incident response)

Near-term

NOTE: You can also subscribe to the "WMF Deployments" google calendar by adding <wikimedia.org_rudis09ii2mm5fk4hgdjeh1u64@group.calendar.google.com>. This does not always get one-off windows that are noted below. This wiki page is the canonical deployment schedule and any differences with the google calendar are to be interpreted as the google calendar being incorrect.


Week of May 25

Time Component Deployer Changes

Sunday, May 24

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Monday, May 25

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. Memorial Day

Tuesday, May 26

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

MarcoAurelio (hauskatze)

  • Yes Done [config] 598509 [nnwiki] Change category collation to uca-nn-u-kn (T253559)
  • Yes Done [config] 598553 [enwiki] Add 'deletedtext' permissions to the 'researcher' local group (T253420).
    • WMF sign-off granted on Task.

Gerrit hashtag: swat-2020-05-26-eu

 UTC #
 PDT
Mediawiki train - European Version Antoine "hashar" Musso (hashar) 1.35 schedule
group0 1.35.0-wmf.32->1.35.0-wmf.32
group1 1.35.0-wmf.31
group2 1.35.0-wmf.31
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Pre MediaWiki train sanity break No Deploys
 UTC #
 PDT
Mediawiki train - American Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.32->1.35.0-wmf.34
group1 1.35.0-wmf.32
group2 1.35.0-wmf.32
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-26-evening

Wednesday, May 27

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Kartik Mistry (kart_)
  • [config] 598678 Enable ContentTranslation in Galician Wikipedia as a default tool

Kosta Harlan (kostajh)

  • [wmf.34] 598995 Mentorship dialog: Swap panel to ask-help on open

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-27-eu

 UTC #
 PDT
Train log triage with CPT Mukunda (twentyafterfour), James (James_F) + CPT See Heterogeneous_deployment/Train_deploys#Breakage
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Jdlrobson
  • [config] 599085 Stop special casing the main page

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-27-18

 UTC #
 PDT
Mediawiki train - American Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.34
group1 1.35.0-wmf.32->1.35.0-wmf.34
group2 1.35.0-wmf.32
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Samuel (RhinosF1)

  • 597029 Add thwiki's draft namespace to wmgExemptFromUserRobotsControlExtra and enable VE.
  • 598245 Add autoreviewrestore into the rollbacker group in hiwiki

Gerrit hashtag: swat-2020-05-27-evening

Thursday, May 28

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-28-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-28-morning

 UTC #
 PDT
Mediawiki train - American Version Mukunda (twentyafterfour), James (James_F) 1.35 schedule
group0 1.35.0-wmf.34
group1 1.35.0-wmf.34
group2 1.35.0-wmf.32->1.35.0-wmf.34
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-05-28-evening

Friday, May 29

 UTC #
(Thu)  PDT
s4 database master failover marostegui, jynus, kormat T253808
 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Saturday, May 30

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Week of June 01

Time Component Deployer Changes

Sunday, May 31

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Monday, June 01

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-01-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Bill Pirkle (bpirkle), Petr Pchelko (Pchelolo)
  • 570395 [Config] Enable kask-transition session store for all groups

Gerrit hashtag: swat-2020-06-01-morning

 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-01-evening

Tuesday, June 02

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Kartik Mistry (kart_)
  • [config] 601174 Create URL campaign for African languages for COVID-19 translation project

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-02-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Pre MediaWiki train sanity break No Deploys
 UTC #
 PDT
Mediawiki train - American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.34->1.35.0-wmf.35
group1 1.35.0-wmf.34
group2 1.35.0-wmf.34
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-02-evening

Wednesday, June 03

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-03-eu

 UTC #
 PDT
Train log triage with CPT James (James_F), Jeena (longma) + CPT See Heterogeneous_deployment/Train_deploys#Breakage
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-03-18

 UTC #
 PDT
Mediawiki train - American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.35
group1 1.35.0-wmf.34->1.35.0-wmf.35
group2 1.35.0-wmf.34
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-03-evening

Thursday, June 04

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-04-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to Puppet change
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-04-morning

 UTC #
 PDT
Mediawiki train - American Version James (James_F), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.35
group1 1.35.0-wmf.35
group2 1.35.0-wmf.34->1.35.0-wmf.35
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-06-04-evening

Friday, June 05

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Saturday, June 06

 UTC #
 PDT
No deploys all day! See Deployments/Emergencies if things are broken. No Deploys

Upcoming events

Past deployments

See also