---
- hosts: all
  become: yes

  # Install python if required
  # https://www.josharcher.uk/code/ansible-python-connection-failure-ubuntu-server-1604/
  gather_facts: False
  pre_tasks:
    - name: install python for Ansible
      raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal python-setuptools)
      args:
        executable: /bin/bash
      register: output
      changed_when: output.stdout != ""
    - setup: # gather facts

  tasks:
  - name: install dependencies
    apt:
      pkg: ['docker-compose', 'docker.io', 'certbot']

  - name: copy docker config
    copy: src='files/docker-daemon.json' dest='/etc/docker/daemon.json' mode='0644'

  - name: create peertube folder
    file: path={{item.path}} state=directory
    with_items:
      - { path: '/peertube/volumes/' }
      - { path: '/peertube/volumes/certbot/' }

  - name: get latest peertube version from github
    uri:
      url: https://api.github.com/repos/Chocobozzz/PeerTube/releases/latest
      return_content: true
    register: peertube_version_response
    check_mode: no

  - debug:
      msg: "Using Peertube version {{ peertube_version_response.json.tag_name }}"

  - name: check to make sure the specified tag exists
    docker_image:
      name: "chocobozzz/peertube:{{ peertube_version_response.json.tag_name }}-buster"
      source: pull

  - name:  add all template files
    template: src={{item.src}} dest={{item.dest}} mode={{item.mode}}
    with_items:
      - { src: 'templates/docker-compose.yml.j2', dest: '/peertube/docker-compose.yml', mode: '0644' }
      - { src: 'templates/nginx.conf.j2', dest: '/peertube/nginx.conf', mode: '0644' }
      - { src: 'templates/env.j2', dest: '/peertube/.env', mode: '0600' }
      - { src: 'templates/peertube-production.yaml.j2', dest: '/peertube/volumes/config/production.yaml', mode: '0600' }
    vars:
      peertube_version: "{{ peertube_version_response.json.tag_name }}"

  - name: request letsencrypt certificates
    command: certbot certonly --standalone --agree-tos -d '{{ domain }}' -m '{{ letsencrypt_contact_email }}'
    args:
      creates: '/etc/letsencrypt/live/{{domain}}/privkey.pem'

  - name: enable and start docker service
    systemd:
      name: docker
      enabled: yes
      state: started

  - name: start docker-compose
    docker_compose:
      project_src: /peertube/
      state: present
      pull: yes

  # TODO: might need to restart peertube if production.yaml was changed

  - name: renew certbot certificates
    cron:
      special_time=daily
      name=certbot-renew
      user=root
      job="certbot certonly --webroot --webroot-path=/peertube/volumes/certbot/ -d '{{ domain }}' --deploy-hook 'docker-compose -f /peertube/docker-compose.yml exec nginx nginx -s reload'"