haproxy_pb.yml

- hosts: backend_servers
  vars_prompt:
  - name: file_name
    private: no
    prompt: "Enter the WebApp file name"
  tasks:
  - name: installing httpd
    package: 
        name: httpd
        state: present
  - name: installing php
    package:
        name: php
        state: present
  - template:
        dest: "/var/www/html/{{ file_name }}.php"
        content: |
                <pre>
                <?php
                print `/usr/sbin/ifconfig`;
                ?>
                </pre>
        notify: restart httpd
  handlers:
  - name: restart httpd
    service: 
      name: httpd
      state: started

- hosts: load_balancer
  vars_prompt:
  - name: port_fs
    prompt: "port of front end server "
    private: no
  - name: port_bs
    prompt: "port of backend servers "
    private: no
  tasks:
  - name: installing haproxy
    package: 
          name: haproxy
          state: present
  - name: installing httpd
    package: 
          name: httpd
          state: present

  - name: updating the port of protocol
    template:
        dest: "/etc/haproxy/haproxy.cfg"
        src: "/ws1/haproxy.cfg.j2"
        notify:
        - restart haproxy
        - restart httpd
  handlers:
  - name: restart haproxy
    service:
        name: haproxy
        state:  restarted
  - name: restart httpd
    service:
        name: httpd
        state:  restarted