- name: Install haproxy
  hosts: haproxy
  user: root
  roles:
    - { role: "haproxy_server", tags: [ "haproxy-server" ] }
  vars:
    haproxy_service_configs:
      - service:
          hap_service_name: group_name
          hap_backend_nodes: "{{ groups['group_name'][0] }}"
          hap_backup_nodes: "{{ groups['group_name'][1:] }}"
          hap_port: 80
          hap_balance_type: http
          hap_backend_options:
            - "forwardfor"
            - "httpchk"
            - "httplog"