Kirill Ilin
5cb6ef435f
## What this PR does
Adds an opt-in way to serve the Keycloak admin console and
Administration
REST API on a separate hostname and route from the public login
endpoints,
so the admin surface can be kept off the public internet.
- New `ingress.adminHost` in the keycloak chart. When set:
- `KC_HOSTNAME_ADMIN` is configured so the admin console generates its
URLs on that hostname;
- the public (login) route is narrowed to the OIDC paths only
(`/realms`, `/resources`, `/.well-known`), so the admin console and
Administration REST API are no longer served on the login hostname;
- a dedicated route (Ingress or HTTPRoute, depending on
`gateway-enabled`)
serves the admin hostname.
- New platform `publishing.ingressNameAdmin`, propagated as
`_cluster.expose-ingress-admin`. The admin route attaches to the
Gateway/ingressClass it names, defaulting to `expose-ingress`. Pointing
it
at a separate (for example, private-IP) Gateway moves admin traffic off
the public one. The separate Gateway itself is provisioned out of band;
this only selects where the admin route attaches.
Everything is empty by default, so existing deployments are unchanged.
Note: `KC_HOSTNAME_ADMIN` on its own is not a security boundary — the
Administration REST API stays reachable on any hostname routed to
Keycloak
(per the Keycloak docs). The path and network separation introduced here
is
what restricts access; full isolation requires attaching the admin route
to
a non-public Gateway.
Covered by helm-unittest suites for the keycloak chart and the platform
value wiring.
### Screenshots
N/A — no UI changes.
### Release note
```release-note
feat(keycloak): add opt-in `ingress.adminHost` to serve the admin console and Administration REST API on a separate hostname/route, plus `publishing.ingressNameAdmin` (`_cluster.expose-ingress-admin`) to attach that route to a separate (e.g. private) Gateway/ingressClass. Disabled by default; existing deployments are unchanged.
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added optional configuration to serve the Keycloak admin console on a
dedicated hostname, with separate routing and ingress/gateway attachment
so admin UI/API can be isolated from public login/OIDC paths.
* Introduced a cluster-level setting to optionally expose admin routes
via a separate ingress/gateway class/namespace.
* **Tests**
* Added new YAML test coverage to validate defaulting, hostname split
behavior, and correct routing for both gateway-enabled and
gateway-disabled modes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Cozystack
Cozystack is a free platform and framework for building clouds.
Cozystack is a CNCF Sandbox Level Project that was originally built and sponsored by Ænix.
With Cozystack, you can transform a bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.
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