ansible-role-swarm/molecule/default/converge.yml

---
- name: Converge
  hosts: all
  roles:
    - swarm
  vars:
    swarm_manager: true
    swarm_init: true
    swarm_networks:
      proxy:
    swarm_services:
      traefik:
        image: traefik:1.7
        networks:
          - proxy
        args:
          - '--api'
          - '--docker'
        publish:
          - published_port: 80
            target_port: 80
            mode: host
        mounts:
          - source: /var/run/docker.sock
            target: /var/run/docker.sock
      whoami:
        image: jwilder/whoami
        networks:
          - proxy
        labels:
          traefik.enable: 'true'
          traefik.backend: whoami
          traefik.frontend.rule: 'Host:whoami'
          traefik.port: '8000'

  pre_tasks:
    - name: update apt cache
      ansible.builtin.apt:
        update_cache: true