News/2020 Phasing out the .wmflabs domain - Wikitech
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Tracked in
Phabricator
Task T260614
Cloud VPS instances created on or after 2020-09-08 will stop using the
.eqiad
.wmflabs
domain, and be found only under
.eqiad1.wikimedia.cloud
What's changing
New instances in Cloud VPS projects will get one DNS entry named
IP addresses assigned to instances in Cloud VPS projects will continue to have one reverse DNS entry returning
New instances will be configured to treat
as their canonical name.
In order to avoid breaking existing systems, these changes will NOT be applied retroactively to existing instances. Old DNS entries will live on until the instance is deleted and should be largely harmless.
Timeline
Done
2020-02-18: Start creating
hostnames for Cloud VPS instances
Done
2020-08-19: Announced deprecation of
and
hostnames
Done
2020-09-08: Stop creating legacy
and
hostnames for
new
Cloud VPS instances
More information
From 2020-02-18 to 2020-09-08, Cloud VPS instances had a hybrid hostnaming system:
New instances were given three different DNS entries:
Reverse DNS lookups of instance IP addresses returned hostnames of
Instances themselves believed (for example via
hostname -f
) that they were canonically named
This hybrid system was originally implemented to maintain backwards compatibility as the domain name changes rolled out across the Cloud VPS infrastructure and projects. In the interest of simplifying, standardizing, and eliminating another use of the term
'labs'
, the Cloud VPS admin team started this project to phase out the use of the wmflabs domain name.
Frequently asked questions
Renaming existing instances
If you find yourself rewriting code in order to deal with instances under both domains (due to the change in
hostname -f behavior
), adjusting an old instance to identify as part of
only requires a simple change to /etc/hosts. The Cloud VPS admin team can assist in this type of renaming.
What about *.svc.eqiad.wmflabs?
A number of services, notably the
Wiki replicas
, use "service names" under the domain
svc.eqiad.wmflabs
. These names
are not
being replaced with equivalent names under
svc.eqiad1.wikimedia.cloud
at this time. These names will change in the future, but there are some other projects underway in the Cloud Services environment which need to progress further before changing our legacy service names.
See also
Announcement of change on cloud-announce@ mailing list
New names for everyone! blog post
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