- name: Configure the client
  hosts: localhost
  tasks:
    - name: Add the droplet to an inventory group
      add_host:
        name: "{{ client_ip }}"
        groups: client-host
        ansible_ssh_user: "{{ server_user }}"

- name: Configure the client and install required software
  hosts: client-host
  gather_facts: false
  become: true
  vars_files:
    - config.cfg

  pre_tasks:
    - name: Get the OS
      raw: uname -a
      register: distribution

    - name: Ubuntu Xenial | Install prerequisites 
      raw: >
        test -x /usr/bin/python2.7 ||
        sudo apt-get update -qq && sudo apt-get install -qq -y python2.7 &&
        sudo update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1
      changed_when: false
      when: "'ubuntu' in distribution.stdout"

  roles:
    - { role: client, tags: ['client'] }