Enable configuration of route and ingress api versions (#1098)

* Introduce ingress_api_version and route_api_version

roles/installer/defaults/main.yml

@@ -12,6 +12,7 @@ ingress_type: none
 ingress_class_name: ''
 ingress_path: '/'
 ingress_path_type: 'Prefix'
+ingress_api_version: 'networking.k8s.io/v1'
 # Add annotations to the service account. Specify as literal block. E.g.:
 # service_account_annotations: |
 #   eks.amazonaws.com/role-arn: arn:aws:iam::<ACCOUNT_ID>:role/<IAM_ROLE_NAME>
@@ -50,6 +51,10 @@ route_tls_termination_mechanism: edge
 #
 route_tls_secret: ''
 
+# Route API Version to support older version
+# of the kubernetes services
+route_api_version: 'route.openshift.io/v1'
+
 # Host to create the root with.
 # If not specific will default to <instance-name>-<namespace>-<routerCanonicalHostname>
 #

roles/installer/templates/networking/ingress.yaml.j2

@@ -1,6 +1,8 @@
 {% if ingress_type|lower == "ingress" %}
 ---
-apiVersion: networking.k8s.io/v1
+{% if ingress_api_version is defined %}
+apiVersion: '{{ ingress_api_version }}'
+{% endif %}
 kind: Ingress
 metadata:
   name: '{{ ansible_operator_meta.name }}-ingress'
@@ -42,7 +44,9 @@ spec:
 
 {% if ingress_type|lower == "route" %}
 ---
-apiVersion: route.openshift.io/v1
+{% if route_api_version is defined %}
+apiVersion: '{{ route_api_version }}'
+{% endif %}
 kind: Route
 metadata:
   name: '{{ ansible_operator_meta.name }}'