lb.yml

- hosts: all
  become: true

  vars:
    hostname: mywordpress
    modify_hostname: true


  handlers:
    - name: reload haproxy
      service: name=haproxy state=reloaded


  tasks:
    - name: ==> 0 - add host info
      lineinfile: dest=/etc/hosts line="10.0.0.10  {{ hostname }}" state=present
      when: modify_hostname


    - name: ==> install HAProxy
      apt: name=haproxy state=present update_cache=yes

    - name: enable HAProxy at system power on
      service: name=haproxy enabled=yes

    - name: enable HAProxy
      lineinfile:
        dest:   /etc/default/haproxy
        regexp: '^ENABLED\s*=.*$'
        line:   "ENABLED=1"
        state:  present

    - name: copy HAProxy config file
      template:
        src:  templates/haproxy.cfg.j2
        dest: /etc/haproxy/haproxy.cfg
      notify:
        - reload haproxy