adding ovn4nfv in kubespray (#6381)

Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>

roles/download/defaults/main.yml

@@ -83,6 +83,8 @@ cilium_version: "v1.8.1"
 kube_ovn_version: "v1.2.1"
 kube_router_version: "v1.0.0"
 multus_version: "v3.6"
+ovn4nfv_ovn_image_version: "v1.0.0"
+ovn4nfv_k8s_plugin_image_version: "v1.0.0"
 
 # Get kubernetes major version (i.e. 1.17.4 => 1.17)
 kube_major_version: "{{ kube_version | regex_replace('^v([0-9])+\\.([0-9]+)\\.[0-9]+', 'v\\1.\\2') }}"
@@ -490,6 +492,10 @@ kube_router_image_repo: "{{ docker_image_repo }}/cloudnativelabs/kube-router"
 kube_router_image_tag: "{{ kube_router_version }}"
 multus_image_repo: "{{ docker_image_repo }}/nfvpe/multus"
 multus_image_tag: "{{ multus_version }}"
+ovn4nfv_ovn_image_repo: "{{ docker_image_repo }}/integratedcloudnative/ovn-images"
+ovn4nfv_ovn_image_tag: "{{ ovn4nfv_ovn_image_version }}"
+ovn4nfv_k8s_plugin_image_repo: "{{ docker_image_repo }}/integratedcloudnative/ovn4nfv-k8s-plugin"
+ovn4nfv_k8s_plugin_image_tag: "{{ ovn4nfv_k8s_plugin_image_version }}"
 
 nginx_image_repo: "{{ docker_image_repo }}/library/nginx"
 nginx_image_tag: 1.19
@@ -812,6 +818,15 @@ downloads:
     groups:
     - k8s-cluster
 
+  ovn4nfv:
+    enabled: "{{ kube_network_plugin == 'ovn4nfv' }}"
+    container: true
+    repo: "{{ ovn4nfv_k8s_plugin_image_repo }}"
+    tag: "{{ ovn4nfv_k8s_plugin_image_tag }}"
+    sha256: "{{ ovn4nfv_k8s_plugin_digest_checksum|default(None) }}"
+    groups:
+    - k8s-cluster
+
   contiv:
     enabled: "{{ kube_network_plugin == 'contiv' }}"
     container: true