Enable protostream

[pruivo]

• Enables protostream encoding in the external Infinispan
• Changes the testsuite to use the Hot Rod client

Closes #628

I have the following error with status code 500. I haven't figured out where they come from. I couldn't find any exceptions in the pod's log.

[ERROR]   EntityReplicationTest.keycloakEntityReplicationOverCacheTest:25 » InternalServerError HTTP 500 Internal Server Error
[ERROR]   SessionExpirationTest.sessionExpirationTest:19 » InternalServerError HTTP 500 Internal Server Error

We probably need to fork the main branch before merging this one. The forked branch will keep compatibility with jboss-marshalling and KC25.

[mhajas]

Thank @pruivo, this PR looks good to me.

To the errors you see. What were you testing this against? If you tested against runner-keycloak namespace created by the nightly run, it is probably caused by the fact the testsuite currently does not work with A/A. We need to test this against A/P deployment where the testsuite is passing.

Here are the errors: https://github.com/keycloak/keycloak-benchmark/actions/runs/9559243516/job/26354830531

I will be looking at the A/A failures now.

[mhajas]

The deployment is currently using 15.0.x Infinispan image, I believe this can break some API compatibility. Is there some nightly maven release?

[pruivo]

That version is only used by the REST client since the Hot Rod client will use the version shipped with Keycloak. It is fine and only the major version matters.

[pruivo]

Thank @pruivo, this PR looks good to me.

To the errors you see. What were you testing this against? If you tested against runner-keycloak namespace created by the nightly run, it is probably caused by the fact the testsuite currently does not work with A/A. We need to test this against A/P deployment where the testsuite is passing.

Here are the errors: https://github.com/keycloak/keycloak-benchmark/actions/runs/9559243516/job/26354830531

I will be looking at the A/A failures now.

I created a new cluster in a different namespace (keycloak + infinispan) with Route53. I was using the existing aurora DB instead of creating and populating another one. I assume it wouldn't have any impact.

[mhajas]

I suspect it can be caused by the database. It seems A/A tests leave the database in a state where some requests end up with 500. Can you please test with a different database cluster?

[pruivo]

@mhajas thanks for the tip. I'll change this to ready for review 👍

[INFO] Results:
[INFO] 
[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0
[INFO] 

[mhajas]

Thank you @pruivo!