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 Manager). 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 planned deployments of software to the Wikimedia Foundation servers that host the various Wikimedia projects (Wikipedia, Wiktionary, Wikiversity, Wikimedia Commons, etc.).

Cadence
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).
Scheduling
To schedule a deploy window, or if you see a potential conflict with your upcoming deployment, please e-mail Greg Grossmeier.
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 March 30

Time Component Deployer Changes

Monday, March 30

 UTC #
 PDT
Wikidata Marius Hoch (hoo) Wikibase dump scripts fail as they can't find 'Wikibase\Lib\WikibaseSettings' (T248612, 583927)
 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) Samuel (RhinosF1)
  • 584172 Add 3 additional namespaces and talk pages to trwikt

Martin (Urbanecm)

  • [config] 584126 Add collections.nmnh.si.edu to $wgCopyUploadsDomains

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-03-30-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) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-03-30-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-2020-03-30-evening

Tuesday, March 31

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Kartik Mistry (kart_)
  • 584574 Enable ContentTranslation in Lithuanian Wikipedia as a default tool

Adam W. (awight)

  • [config] 584874 Disable TwoColConflict talk page workflow (no-op)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-03-31-eu

 UTC #
 PDT
Enable new DiscussionTools beta feature James_F * [config] 579337 Config patch to enable on four wikis
 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) James_F
  • [puppet] 582113 scap: Make canary logstash dashboard link more like reality
  • [puppet] 582153 scap: Sync logstash_checker.py canary query with current dashboard
  • [puppet] 582871 logspam-watch: don't use fatal.log; shorten names
  • [puppet] 474825 Install docker on releases-jenkins

Krinkle

  • 582604 jenkins: Adjust CSP header to allow inline CSS and video playback
 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 Dan (dduvall), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.25->1.35.0-wmf.26
group1 1.35.0-wmf.25
group2 1.35.0-wmf.25
 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-2020-03-31-evening

Wednesday, April 01

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Cormac Parle (cormacparle)
  • [config] 581678 Enable WikibaseQualityConstraints on commons

Ammar Abdulhamid (Ammarpad)

  • [config] 580290 Restrict short URL management log to stewards

Sam Wilson (samwilson)

  • [config] 585059 Enable password-reset-update on all other than Wikipedias

Gergő (tgr)

  • [config] 584579 Sync growthexperiments dblist with actual state of wmgUseGrowthExperiments

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-01-eu

 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-2020-04-01-18

 UTC #
 PDT
Mediawiki train - American Version Dan (dduvall), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.26
group1 1.35.0-wmf.25->1.35.0-wmf.26
group2 1.35.0-wmf.25
 UTC #
 PDT
ServicesGraphoid / Citoid / ORES Aaron (halfak)), Andy (accraze) See Graphoid
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) DannyS712 (DannyS712)
  • [config] 582615 Don't try to grant `oathauth-enable` to `*` (part 2)

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2020-04-01-evening

Thursday, April 02

 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-2020-04-02-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config 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-2020-04-02-morning

 UTC #
 PDT
Mediawiki train - American Version Dan (dduvall), Jeena (longma) 1.35 schedule
group0 1.35.0-wmf.26
group1 1.35.0-wmf.26
group2 1.35.0-wmf.25->1.35.0-wmf.26
 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-2020-04-02-evening

Upcoming events

  • 25 May (Memorial Day): No deploys

Past deployments

See also