Fix ubutu 18 play

tasks/ubuntu18.yml

@@ -1,4 +1,3 @@
-
 - name: set ovsdb_server_md5_value fact
   set_fact:
     ovsdb_server_md5_value: "ffd9ba2a6b3da6108d7eb97c70e51761"
@@ -7,13 +6,11 @@
   set_fact:
     ovn_nbctl_md5_value: "031e770fd969617c221b156726c2f1dc"
 
-
 - name: "Set fact to true if the source file exists but the MD5 sum does not match"
   set_fact:
     force_new_ovs_download: "{{ ovsdb_server_exists.stat.checksum != ovsdb_server_md5_value }}"
   when: ovsdb_server_exists.stat.exists
 
-
 - name: "Set fact to true if the source file does not exist"
   set_fact:
     force_new_ovs_download: True
@@ -27,7 +24,7 @@
   debug: msg="NOT Installing OpenVSwitch, MD5 sum matches"
   when: not force_new_ovs_download
 
-- name: "Copy OVN binaries"
+- name: "Copy OpenVSwitch packages"
   copy:
     src: "ubuntu18/{{ item }}"
     dest: "/tmp/{{ item }}"
@@ -38,9 +35,7 @@
   when: force_new_ovs_download
 
 
-
-
-- name: "Install packages"
+- name: "Install OpenVSwitch packages"
   apt:
     deb: "{{ item }}"
   with_items:
@@ -59,7 +54,7 @@
 - name: "Set fact to true if the source file exists but the MD5 sum does not match"
   set_fact:
     force_new_ovn_download: "{{ ovn_nbctl_exists.stat.checksum != ovn_nbctl_md5_value }}"
-  when: ovn_nbctl_exists.stat.exists
+  when: ovn_nbctl_exists.stat.exists and use_ovn
 
 #- debug: msg={{ovn_nbctl_md5_value}}
 #- debug: msg={{ovn_nbctl_exists}}
@@ -67,13 +62,13 @@
 - name: "Set fact to true if the source file does not exist"
   set_fact:
     force_new_ovn_download: True
-  when: not ovn_nbctl_exists.stat.exists
+  when: not ovn_nbctl_exists.stat.exists and use_ovn
 
 - debug: msg="Installing OVN"
-  when: force_new_ovn_download
+  when: force_new_ovn_download and use_ovn
 
 - debug: msg="NOT Installing OVN, MD5 sum matches"
-  when: not force_new_ovn_download
+  when: not force_new_ovn_download and use_ovn
 
 - name: "Copy OVN binaries"
   copy:
@@ -81,11 +76,11 @@
     dest: "/tmp/{{ item }}"
   with_items:
     - ovn_20.09.0-1_amd64.deb
-  when: force_new_ovn_download
+  when: force_new_ovn_download and use_ovn
 
 - name: "Install packages"
   apt:
     deb: "{{ item }}"
   with_items:
     - "/tmp/ovn_20.09.0-1_amd64.deb"
-  when: force_new_ovn_download
+  when: force_new_ovn_download and use_ovn