On 10/21/19 12:16 PM, Arturo Borrero Gonzalez wrote:
> Hi there!
> 
> Next Monday 2019-10-28 @ 14:30 UTC we will do a maintenance operation on
> Toolforge which consists in rebuilding the main front proxy [0] used to serve
> webservices. We expect this to be done within a 30 minutes window.
> 
> The operation consists on replacing the old virtual machines supporting the
> proxy (currently running Debian Jessie) with more modern instances running
> Debian Buster. Both Grid/Kubernetes backends are affected by this change. We
> don't expect a lot of service downtime, but there is a key point in the
> operation which is migrating data stored in Redis which can be tricky. The o
> 
> Examples of things affected by this change:
> 
> * Browsing Toolforge webservices
> * Browsing to https://tools.wmflabs.org/<toolname>
> * Browsing to https://tools.wmflabs.org/admin/ (Toolforge landing page)
> * Browsing PAWS (to some extent, since it shares part of the toolforge proxy)
> 
> Example of things not affected by this change:
> 
> * webservices backend operations
> * SSH bastions
> * grid queues, grid jobs
> * wiki-replicas, toolsdb
> * other CloudVPS projects
> 
> regards.
> 
> [0] https://phabricator.wikimedia.org/T235627
> 


Reminder, this is happening now.

-- 
Arturo Borrero Gonzalez
SRE / Wikimedia Cloud Services
Wikimedia Foundation

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