app.yml

---
- hosts: www

  vars:
    - root_dir: ..
    - base_application_dir: /opt/traefik

    - app1_image: "emilevauge/whoami"
    - app1_traefik_config:
      - {
        name: "traefik.backend",
        value: "whoami_deployed"
        }
      - {
        name: "traefik.domain",
        value: "xenial.test"
        }
      - {
        name: "traefik.frontend.rule",
        value: "Host:whoami_deployed.xenial.test"
        }
      - {
        name: "traefik.frontend.entryPoints",
        value: "http"
        }
      - {
        name: "traefik.enable",
        value: "true"
        }


  pre_tasks:
    - debug: msg="Pre tasks section"


  tasks:
    - debug: msg="Tasks section"

    - name: Application | Create directories with docker-compose definitions
      file: path="{{item}}" state="directory"
      become: yes
      with_items:
        - "{{base_application_dir}}"
        - "{{base_application_dir}}/application1"
        - "{{base_application_dir}}/application2"
        - "{{base_application_dir}}/application3"
      tags:
        - app

#   See bug  https://github.com/ansible/ansible/issues/20492
    - name: Application | Install docker ansible module
      pip: name="docker-compose" version="1.9.0"
      become: yes


    - name: Application | Create network
      docker_network:
        name: traefik_webgateway
      become: yes
      tags:
        - app

#  Using templated file and docker_service module

    - name: Application | Template docker-compose.yml for app 1
      template: src="{{playbook_dir}}/templates/docker-compose/application1/docker-compose.yml.j2" dest="{{base_application_dir}}/application1/docker-compose.yml"
      become: yes
      tags:
        - app

    - name: Application | Deploy using compose file
      docker_service:
        project_src: "{{base_application_dir}}/application1/"
        build: no
        restarted: true
      register: app1_output

    -  debug: var="app1_output"

#  / Using templated file and docker_service module

#  Using definition directly in docker_service directive
    - name: Application | Deploy using definition in docker_service
      docker_service:
        build: no
        restarted: true
        project_name: application2_by_def
        definition:
          version: '2'
          services:
            whoami1_by_def:
              image: emilevauge/whoami
              networks:
                - web
              labels:
                - "traefik.backend=whoami_by_def"
                - "traefik.domain=xenial.test"
                - "traefik.frontend.rule=Host:whoami_by_def.xenial.test"
                - "traefik.frontend.entryPoints=http"
                - "traefik.enable=true"
            whoami2_by_def:
              image: emilevauge/whoami
              networks:
                - web
              labels:
                - "traefik.backend=whoami_by_def"
                - "traefik.domain=xenial.test"
                - "traefik.frontend.rule=Host:whoami_by_def.xenial.test"
                - "traefik.frontend.entryPoints=http"
                - "traefik.enable=true"
          networks:
            web:
              external:
                name: traefik_webgateway
      register: app2_output
      become: yes

    -  debug: var="app1_output"

#  / Using definition directly

#  Using templated file and invoking console command

    - name: Application | Template docker-compose.yml for app 3
      template: src="{{playbook_dir}}/templates/docker-compose/application3/docker-compose.yml.j2" dest="{{base_application_dir}}/application3/docker-compose.yml"
      become: yes
      tags:
        - app

    - name: Application | Put in action using docker-compose command
      shell: "docker-compose up -d"
      args:
        chdir: "{{base_application_dir}}/application3"
      become: yes
      tags:
        - app

#  / Using templated file and invoking console command