Add support of OVN for CentOS-8-Stream

This patch will adjust some variable for C8-Stream job to fix
OVN deployment for CentOS-8-Stream. Renamed ovn-central with
ovn-northd for more generic name.

Change-Id: Ifdb773f9f539469e21d37075f6b88259eb1ffa3e

handlers/main.yml

@@ -129,13 +129,13 @@
     - "Restart neutron services"
     - "venv changed"
 
-- name: start ovn-central service
+- name: start ovn service
   service:
-    name: ovn-central
+    name: "{{ neutron_ovn_northd_service_name }}"
     state: started
 
 # (NOTE) Restarting twice to cleanup some pid.
-- name: restart ovn-central service
+- name: restart ovn service
   service:
-    name: ovn-central
+    name: "{{ neutron_ovn_northd_service_name }}"
     state: restarted

tasks/providers/ovn_cluster_setup.yml

@@ -31,11 +31,8 @@
   block:
     - name: Stop ovn services
       service:
-        name: "{{ item }}"
+        name: "{{ neutron_ovn_northd_service_name }}"
         state: stopped
-      with_items:
-        - ovn-northd
-        - ovn-central
 
     - name: Clean up ovn db directory
       file:
@@ -64,23 +61,23 @@
 # This play only run first time to build cluster using primary node.
 - name: Setup ovn cluster using primary node.
   template:
-    src: ovn-central.j2
+    src: ovn-northd-opts.j2
-    dest: "/etc/default/ovn-central"
+    dest: "{{ neutron_ovn_northd_opts_file }}"
   when:
     - "inventory_hostname == neutron_ovn_primary_cluster_node"
     - _check_cluster_db.rc != 0
     - not leader_node
   notify:
-    - start ovn-central service
+    - start ovn service
-    - restart ovn-central service
+    - restart ovn service
 
 # This play will add nodes in existing cluster using leader_node var.
 - name: Join new nodes to ovn cluster using leader node
   template:
-    src: ovn-central.j2
+    src: ovn-northd-opts.j2
-    dest: "/etc/default/ovn-central"
+    dest: "{{ neutron_ovn_northd_opts_file }}"
   when:
     - _check_cluster_db.rc != 0
   notify:
-    - start ovn-central service
+    - start ovn service
-    - restart ovn-central service
+    - restart ovn service

templates/ovn-northd-opts.j2

@@ -1,7 +1,7 @@
 # {{ ansible_managed }}
 
 # OVN cluster parameters
-OVN_CTL_OPTS=" \
+{{ neutron_ovn_northd_opts }}=" \
   --db-nb-create-insecure-remote=yes \
   --db-sb-create-insecure-remote=yes \
   --db-nb-addr={{ ansible_host }} \

vars/debian.yml

@@ -25,6 +25,10 @@ neutron_ovn_controller_service_name: ovn-host
 
 neutron_ovs_socket_path: "/var/run/openvswitch"
 
+neutron_ovn_northd_opts: "OVN_CTL_OPTS"
+
+neutron_ovn_northd_opts_file: "/etc/default/ovn-central"
+
 neutron_ovs_dpdk_required_packages:
   - openvswitch-common
   - openvswitch-switch-dpdk

vars/redhat.yml

@@ -32,6 +32,10 @@ neutron_ovn_controller_service_name: ovn-controller
 
 neutron_ovs_socket_path: "/var/run/openvswitch"
 
+neutron_ovn_northd_opts: "OVN_NORTHD_OPTS"
+
+neutron_ovn_northd_opts_file: "/etc/sysconfig/ovn-northd"
+
 neutron_distro_packages:
   - conntrack-tools
   - dnsmasq