---
#
# Configure Docker
#

- name: Ensuring Docker status
  service:
    name: "docker"
    state: started
  
- name: Determining Docker swarm status
  shell: >
    docker info | egrep 'Swarm: '
  register: swarm_status
  become: true

- name: Configuring Docker Swarm
  shell: >
    docker swarm init --advertise-addr "{{ ansible_default_ipv4.address }}"
  when: "' Swarm: inactive' in swarm_status.stdout_lines"
  become: true