tl;dr: WMF Continuous Integration will have downtime on Tuesday August 2nd starting at about 16:00 UTC due to a WMF Labs infrastructure upgrade. Don't expect Jenkins to report test failure/passing on your changes during this time.

Apologies for the disruption,

Greg on behalf of the Release Engineering team

----- Forwarded message from Andrew Bogott abogott@wikimedia.org -----

Date: Mon, 25 Jul 2016 11:57:15 -0500 From: Andrew Bogott abogott@wikimedia.org To: labs-announce@lists.wikimedia.org, Release Engineering releng@lists.wikimedia.org, Operations Engineers ops@lists.wikimedia.org Subject: [RelEng] Labs Openstack upgrade next Tuesday, 2016-08-02, 16:00 UTC Reply-To: andrewbogott@gmail.com

I'm going to upgrade our Openstack install from version 'Kilo' to

version 'Liberty' next Tuesday. I've scheduled a 3-hour window for the process, although noticeable service interruptions should be shorter. Here's what to expect:

• Tools services and existing Labs uses should be unaffected apart from

brief ( < 1 minute) interruptions in network service.

• Continuous Integration tests (Jenkins, Zuul, etc.) will be disabled for

most of the upgrade window.

• Creation/Deletion of new instances will be disabled for most of the

window.

• Wikitech and Horizon may error out occasionally and/or display

inconsistent information. Users may need to refresh their web logins after the upgrade.

Apart from fixing a few seldom-seen bugs, this upgrade shouldn't result in noticeable changes for Labs users. It will lay the groundwork for an upcoming Horizon upgrade, but that will be announced in a future email.

-Andrew

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