Upgrading from 23.0.4 to 25.0.6- what should I be aware of?

[Fergus McDowall]

Total Keycloak n00b here. I have to upgrade a production server running 23.0.4 to 25.0.6- what should I be aware of?

Regards

Fergus

[Jon Koops]

You can read about how to upgrade Keycloak in the upgrade guide: https://www.keycloak.org/docs/latest/upgrading/index.html

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[Fergus McDowall]

Thanks for the responses. I'm reading the docs now, but I can't see if you can upgrade directly from 23 to 25, or if you should go 23->24->25? (or even more granular)

Is it OK to simply dump the db and config from 23 into 25 as per the upgrade docs, or will this lead to woe?

F

[Fergus McDowall]

Thanks- will give 23-25 a try in our development environment, making backups as I go :)

F

On Mon, 23 Sept 2024 at 15:52, Ivan Atanasov <iata...@redhat.com> wrote:

That is a great question.

For 23-25, We have been updating incrementally, in place , we do db backup prior the upgrade.

Direct upgrade from 23 to 25 can also work the db changes and migration changes will be applied .

You have to worry about the DB and the Infinispan if you need upgrade without downtime, if you are restarting the cluster and taking down time it will be ok either way.

Some time ago we did jump from 18 - 23 with single update and we did not have tons of issue with the actual migration,

Ivan

On 9/23/24 9:25 AM, Fergus McDowall wrote:

Thanks for the responses. I'm reading the docs now, but I can't see if you can upgrade directly from 23 to 25, or if you should go 23->24->25? (or even more granular)

Is it OK to simply dump the db and config from 23 into 25 as per the upgrade docs, or will this lead to woe?

F

On Mon, 23 Sept 2024 at 14:59, Ivan Atanasov <iata...@redhat.com> wrote:

Hi Fergus,

The release notes are pretty good starting point.

https://www.keycloak.org/docs/latest/release_notes/index.html

ivan

[Jon Koops]

I would recommend going major by major (latest version of each), and making proper backups at every step.

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[Alexander Schwartz]

If you go major-by-major in your development environment, it might be better to discover items that are not working for you, and verify that things still work as before. 

Having said that, Keycloak supports upgrading and skipping major releases and do for example the automatic database migration in one go, so this is what you can then use in your production environments.

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