Allow for using an external openvswitch

roles/openshift_node/defaults/main.yml

@@ -113,6 +113,7 @@ system_images_registry_dict:
   origin: "docker.io"
 
 system_images_registry: "{{ system_images_registry_dict[openshift_deployment_type | default('origin')] }}"
+openshift_use_external_openvswitch: False
 l_is_openvswitch_system_container: "{{ (openshift_use_openvswitch_system_container | default(openshift_use_system_containers | default(false)) | bool) }}"
 
 openshift_image_tag: ''

roles/openshift_node/tasks/container_images.yml

@@ -9,6 +9,7 @@
   when:
   - openshift_node_use_openshift_sdn | bool
   - l_is_openvswitch_system_container | bool
+  - not openshift_use_external_openvswitch | bool
 
 - name: Pre-pull openvswitch image
   command: >
@@ -18,3 +19,4 @@
   when:
   - openshift_node_use_openshift_sdn | bool
   - not l_is_openvswitch_system_container | bool
+  - not openshift_use_external_openvswitch | bool

roles/openshift_node/tasks/systemd_units.yml

@@ -15,11 +15,14 @@
 
   - name: include ovs service environment file
     include_tasks: config/install-ovs-service-env-file.yml
+    when:
+    - not openshift_use_external_openvswitch | bool
 
   - include_tasks: config/install-ovs-docker-service-file.yml
     when:
     - openshift_node_use_openshift_sdn | bool
     - not l_is_openvswitch_system_container | bool
+    - not openshift_use_external_openvswitch | bool
 
 - include_tasks: config/configure-node-settings.yml
 - include_tasks: config/configure-proxy-settings.yml