For many years we have been recommending people use Shared Databases for their wiki family setups compared to dealing with the complexities of setting up E:CentralAuth.
It's just been flagged on IRC that wgSharedDB has been deprecated since 2012/1.21.0 (rMWac3a0a58a7113197849241581629b501ddd3f1da @tstarling) which was missed on wiki until it's documentation was updated.
I guess we now need to decide which is the best method forward and update documentation appropriately
We recognise the use case for a simple setup for sharing accounts in a family and intent for this to remain supported, just as it has remained supported throughout ActorStore and CentralId refactoring. But, we may change how this works internally, possibly making it even simpler to configure.
Per team triage meeting, Aaron will write a specific proposal/plan.
This has been used and recommended during all these years, and apparently it was never an issue. So why having this deprecated? And what is the plan proposed by aaron?
When upgrade from REL1_37 to REL1_39, the warning actually blocks update.php to run and requires --skip-config-validation to run
update.php worked fine after skipping though without any other issue
php maintenance/update.php Some of your configuration settings caused a warning: * SharedDB is deprecated: since 1.21 In new code, use the $wiki parameter to LBFactory::getMainLB() to access remote databases. Using LBFactory::getMainLB() allows the shared database to reside on separate servers to the wiki's own database, with suitable configuration of $wgLBFactoryConf Please correct the issue before running update.php again. If you know what you are doing, you can bypass this check using --skip-config-validation.
That deprecation sounds like it was intended for developers using the variable, not for users setting it?
Here is the commit that's blocking update.php from functioning as normally expected: https://github.com/wikimedia/mediawiki/commit/cf39a40f164799ffed328a5b8d7a42823441f507
Change 877289 had a related patch set uploaded (by Krinkle; author: Krinkle):
[mediawiki/core@master] rdbms: Remove deprecation mark for $wgSharedDB
Recently, the maintenance/update.php script was changed to disallow upgrades of third-party wikis if it detects that a deprecated settings is in-use.
Raising priority of this task because our incorrect (but otherwise-innocent) documentation comment on this setting, is thus now preventing upgrades.
Since this setting is not, and never has, been deprecated for its primary purpose, I propose we remove the deprecation comment so that people are able to upgrade again without issue.
Change 877289 merged by jenkins-bot:
[mediawiki/core@master] rdbms: Remove deprecation mark for $wgSharedDB
Change 879267 had a related patch set uploaded (by Majavah; author: Krinkle):
[mediawiki/core@REL1_39] rdbms: Remove deprecation mark for $wgSharedDB
Change 879267 merged by jenkins-bot:
[mediawiki/core@REL1_39] rdbms: Remove deprecation mark for $wgSharedDB