Support OpenShift External OIDC identity provider

[ArthurVardevanyan]

Describe the bug

When using the new OpenShift External OIDC identity provider, the oauth endpoints are removed, see below error

2025-11-25T16:38:10Z ERROR setup unable to start manager {"error": "failed to determine if *v1.OAuthClient is namespaced: failed to get restmapping: no matches for kind \"OAuthClient\" in version \"oauth.openshift.io/v1\""}

REF: https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/authentication_and_authorization/external-auth

Che version

7.112@latest

Steps to reproduce

Convert OpenShift Cluster to use External OIDC Auth https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/authentication_and_authorization/external-auth

Expected behavior

Operator Doesn't Crash when running on OpenShift with External Auth

Runtime

OpenShift

Screenshots

No response

Installation method

OperatorHub

Environment

Linux

Eclipse Che Logs

Additional context

No response

[dkwon17]

Hello @tolusha have you seen this error before by any chance?

[ArthurVardevanyan]

Also, I think technically I should have opened the issue in this repo: https://github.com/eclipse-che/che-operator

[tolusha]

Hello, @ArthurVardevanyan I would say that external OIDC provider for OpenShift is not supported by che operator. It looks like a feature request.