Testing of RH-SSO / Keycloak adapters should be done for Fuse releases.

Primary use cases covered by the adapter:

Security for classic WAR applications deployed on Fuse/Karaf with Pax Web War Extender.
Security for servlets deployed on Fuse/Karaf as OSGI services with Pax Web Whiteboard Extender.
Security for SSH and JMX admin access.
Security for Hawt.io admin console.

Secondary priority use cases covered by the adapter:

Security for Apache Camel Jetty endpoints running with Camel Jetty component.
Security for Apache CXF endpoints running on their own separate Jetty engine.
Security for Apache CXF endpoints running on default engine provided by CXF servlet.

http://keycloak.github.io/docs/userguide/keycloak-server/html/ch08.html#fuse-adapter

Related example apps:

https://github.com/keycloak/keycloak/tree/master/examples/fuse