tutorials/vFWDT/playbooks/vfw-sink/latest/ansible/upgradeprecheck/site.yml

   1 ---
   2 - hosts: vfw-sink
   3   gather_facts: no
   4   remote_user: ubuntu
   5   tasks:
   6   - debug: var="new_software_version"
   7     failed_when: new_software_version is not defined
   8   - debug: var="existing_software_version"
   9     failed_when: existing_software_version is not defined
  10   - name: Read OLD Software Version
  11     shell: cat /opt/config/version.txt
  12     register: old_version
  13     become: true
  14   - debug: var=old_version.stdout
  15     failed_when: old_version.stdout == new_software_version