In router-default deployment the ROUTER_CANONICAL_HOSTNAME is defined as "router-default.apps.cluster.local"

but the generated route looks like: <route-name>-<namespace>.cluster.local and it doesn't contain the "apps" in the sub domain.

Client Version: 4.12.0-202211081039.p0.g854f807.assembly.stream-854f807
Kustomize Version: v4.5.7
Kubernetes Version: v1.25.0

microshift-4.12.0~rc.3-202212061817.p0.gcb7f9bb

100%

1. create service
2. create a route without specifying the spec.host
3. oc get route myroute -oyaml

  status:
    ingress:
    - conditions:
      - lastTransitionTime: "2022-12-07T09:03:52Z"
        status: "True"
        type: Admitted
      host: myroute-default.cluster.local                    <<<---no apps
      routerCanonicalHostname: router-default.apps.cluster.local <<<---
      routerName: default
      wildcardPolicy: None

both host and routerCanonicalHostname should use same base domain

One example of OCP cluster:

status:
  ingress:
  - conditions:
    - lastTransitionTime: "2022-12-07T08:25:05Z"
      status: "True"
      type: Admitted
    host: service-unsecure-hongli.apps.hongli-azure.qe.azure.devcluster.openshift.com
    routerCanonicalHostname: router-default.apps.hongli-azure.qe.azure.devcluster.openshift.com
    routerName: default
    wildcardPolicy: None