ansible when syntax

playboo.yml

  vars:
    web_user: web_user
    dirs:
      cache: /opt/ansible/cache
      web_root: /srv/www/
    repo: redacted
    #set password to "random" to have password auto_generated
    mysql:
      user: fop_user
      db: fop_db
      password: boomers

role-task.yml

# tasks file for git_deployment
- name: Generate DB login_password
  shell: mkpasswd.pl --length=32
  args:
    creates: /tmp/.dbpwd
  register: dbpwd
  when: mysql.password != "random"

- name: debug password genreation
  debug: var=dbpwd
  when: dbpwd is defined
- name: debug password being set
  debug: var=mysql
  when: { mysql.password != "random" }