Cloud-announce March 2020

cloud-announce@lists.wikimedia.org

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4 discussions

cloud-vps maintenance Thursday, 2019-03-19
by Andrew Bogott 26 Mar '20

26 Mar '20

Next Thursday we'll be upgrading to OpenStack version 'Queens' starting at 15:00 UTC. The upgrade will take a couple of hours. During the upgrade process, Horizon (and associated OpenStack APIs) will be disabled. There may also be brief network interruptions during the upgrade. Toolforge and existing VMs should be largely unaffected if all goes well -- there may be some service interruption if we encounter networking issues. - Andrew + the WMCS team

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[Blog post] Tale of redesigning the huge Wikidata wb_terms table
by Léa Lacroix 23 Mar '20

23 Mar '20

Hello all, For almost a year, the Wikidata development team has been working on the task of redesigning and migrating the wb_terms table, which had become too big and unsustainable over the years. You can read the tale of our journey on this blog post: Come to Terms with Changes <https://phabricator.wikimedia.org/phame/post/view/195/coming_to_terms_with_…> If you’re a tool maintainer and your tool queries directly the Labs database replicas, you can read more details <https://lists.wikimedia.org/pipermail/wikidata/2020-March/013901.html> about the next steps and how to update your code. Congratulations to all the developers involved in this big project! Cheers, -- Léa Lacroix Project Manager Community Communication for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V. Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207.

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[Toolforge] 2020 Kubernetes cluster migration complete
by Bryan Davis 06 Mar '20

06 Mar '20

On 2020-03-03, Brooke completed the automatic migration phase of the 2020 Kubernetes migration by moving the last workloads from the legacy Kubernetes cluster to the 2020 Kubernetes cluster [0]. All Toolforge tools using `webservice --backend=kubernetes ...` and/or manually maintained Kubernetes objects are now running on the 2020 Kubernetes cluster. The Toolforge admin team is in the process of tearing down the legacy cluster and cleaning up various documentation and tooling related to it [1]. This project involved a lot of hard work that most of the Toolforge community did not see. Brooke and Arturo started planning things over a year ago [2] to ensure that the Toolforge admin team would be able to complete this migration with a minimum amount of disruption to tools and their maintainers. Along the journey they researched Kubernetes best practices and recommendations, read and re-read numerous tutorial and how-to docs, and designed a completely new process to automate the deployment of Kubernetes in Toolforge. They also sought and received help from other Toolforge admins, Wikimedia Foundation staff, and technical volunteers. This was a truly collaborative effort. I am very happy to say that in my opinion we have a well automated and monitored Kubernetes cluster in Toolforge today. There are many more features that we will continue to work on as we try to make Kubernetes use in Toolforge easier for everyone, but we can only do that work because we now have this solid base to build on. I look forward to announcements of many more features in the coming months. Thank you to our alpha and beta testers who found more edge cases and made good suggestions for simplifying things. Thank you all for your patience and understanding when things did not go quite as planned during this process. And finally thank you in advance for the edits that will be made to help pages on Wikitech and elsewhere as we all work on bug #1 (improving documentation). [0]: https://phabricator.wikimedia.org/T246519 [1]: https://phabricator.wikimedia.org/T246689 [2]: https://phabricator.wikimedia.org/T214513 Bryan, on behalf of the Toolforge admin team and the Wikimedia Cloud Services team -- Bryan Davis Technical Engagement Wikimedia Foundation Principal Software Engineer Boise, ID USA [[m:User:BDavis_(WMF)]] irc: bd808

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VM reboots on Thursday
by Andrew Bogott 04 Mar '20

04 Mar '20

Time for another hardware repair task! A lot of these fragile hosts are slated for replacement within the year but in the next time we need to nurse them along. On Friday I'm going to drain cloudvirt1006 for a battery replacement. Starting around 15:00 UTC the following VMs will be copied to another host, which means a short period of downtime and a reboot: phabricator-stage-1001 icinga-dev-01 tool-buster dwl-test deployment-echostore01 deployment-sessionstore03 dashiki-02 mwv-builder-03 images af-nb-fe traffic-ncredir deployment-logstash03 media-streaming bstorm-nfs-test maps-wma cvn-app9

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Cloud-announce March 2020