- hosts: all
  become: true
  become_method: sudo
  vars:
    with_perl: "0"
  tasks:
    - name: copy up chantry-perl.tar.bz2
      when: with_perl == "1"
      copy:
        src: ./chantry-perl.tar.bz2
        dest: /tmp/chantry-perl.tar.bz2

    - name: remove existing perl container
      when: with_perl == "1"
      command: bash -c 'docker rm chantry-perl ; docker rmi chantry/perl:latest ; true'

    - name: use new perl container
      when: with_perl == "1"
      docker:
        name: chantry-perl
        image: busybox
        command: "true"
        state: present
        volumes:
          - /usr/local/perlbrew
          - /var/lib/postgresql/9.4/main

    - name: import new perl container
      when: with_perl == "1"
      command: bash -c 'docker run --rm --volumes-from chantry-perl -v /tmp:/backup busybox tar jxvf /backup/chantry-perl.tar.bz2'

    - name: remove tmp file
      when: with_perl == "1"
      file:
        path: /tmp/chantry-perl.tar.bz2
        state: absent

    - name: run chantry
      docker:
        name: chantry-app
        image: "{{ lookup('env','REPO') }}/chantry/app:latest"
        pull: always
        net: 'host'
        volumes_from:
          - 'chantry-perl'
        ports:
          - "0.0.0.0:{{ lookup('env','EXTERNAL_PORT') }}:3010"
        env:
          EXTERNAL_HOST: "{{ lookup('env','EXTERNAL_HOST') }}:{{ lookup('env','EXTERNAL_PORT')}}"
        restart_policy: always
        state: reloaded