---

- name: "Register variable for docker networks"
  shell: docker network ls
  register: docker_networks
  changed_when: false

- name: "Docker network create back-tier"
  shell: docker network create back-tier
  when: docker_networks.stdout.find("back-tier") == -1

- name: "Docker network create front-tier"
  shell: docker network create front-tier
  when: docker_networks.stdout.find("front-tier") == -1