---

- name: Install dependencies
  apt:
    state: present
    name:
      - cron
      - gettext
      - git
      - nginx
      - postgresql
      - postgresql-server-dev-all  # To compile Python client.
      - pgbadger
      - python3
      - python3-pip
      - python3-psycopg2
      - python3-venv
    update_cache: true
  tags: website

- name: Add unix user website
  user:
    name: website
    shell: /bin/false
    system: yes
    home: /opt/website
  tags: website

- name: install website.service (systemd)
  copy:
    src: systemd/website.service
    dest: /etc/systemd/system/website.service
    owner: root
    group: root
    mode: 0644
  notify: restart website
  tags: website

- name: add user website to pgsql
  become: true
  become_user: postgres
  postgresql_user:
    user: website
  tags: website

- name: add database media
  become: true
  become_user: postgres
  postgresql_db:
    name: media
    owner: website
  tags: website

- name: Collect PostgreSQL version and extensions
  become: yes
  become_user: postgres
  postgresql_info:
    filter: ver*
  register: db_info

- name: Configure psql
  notify: reload psql
  copy:
    dest: "/etc/postgresql/{{ db_info.version.major }}/main/conf.d/media.conf"
    owner: postgres
    group: postgres
    mode: 0644
    content: |
      log_min_duration_statement = 0
      log_checkpoints = on
      log_connections = on
      log_disconnections = on
      log_lock_waits = on
      log_temp_files = 0
      log_autovacuum_min_duration = 0
      log_error_verbosity = default
      lc_messages='en_US.UTF-8'
      lc_messages='C'

- name: Synchronize source
  ansible.posix.synchronize:
    src: "{{ inventory_dir }}/../"
    dest: /opt/website/src/
    rsync_opts:
      - "--exclude=.venv"
      - "--exclude=venv"
  notify: restart website

- name: Creates a /opt/website/venv for virtual environments
  file:
    path: /opt/website/venv
    state: directory
    mode: 0755
  tags: website

- name: Setup or upgrade venv
  command: python3 -m venv --upgrade-deps /opt/website/venv
  changed_when: false

- name: Creates a /opt/website/locale for translations
  file:
    path: /opt/website/locale
    state: directory
    mode: 0755
    owner: root
    group: root
  tags: website

- name: Creates a /opt/website/media for medias
  file:
    path: /opt/website/media
    state: directory
    mode: 0755
    owner: website
    group: website
  tags: website

- name: Creates a /opt/website/static for static
  file:
    path: /opt/website/locale
    state: directory
    mode: 0755
    owner: root
    group: root
  tags: website

- name: pip installs requirements
  pip:
    chdir: /opt/website/src
    requirements: requirements.txt
    virtualenv: /opt/website/venv
    virtualenv_command: /usr/bin/python3 -m venv
  tags: website

- name: pip installs psycopg2
  pip:
    chdir: /opt/website/src
    name: psycopg2
    virtualenv: /opt/website/venv
    virtualenv_command: /usr/bin/python3 -m venv
  tags: website

- name: pip installs gunicorn
  pip:
    chdir: /opt/website/src
    name: gunicorn
    virtualenv: /opt/website/venv
    virtualenv_command: /usr/bin/python3 -m venv
  tags: website

- name: Install website configuration
  template:
    src: local_settings.py.j2
    dest: /opt/website/src/local_settings.py
    owner: root
    group: website
    mode: 0640
  notify: restart website
  tags: website

- name: Migrate db
  command: "/opt/website/venv/bin/python manage.py migrate"
  args:
    chdir: "/opt/website/src"
  register: migrate_result
  changed_when: '"  Applying " in migrate_result.stdout'
  run_once: true
  become: true
  become_user: website
  tags: [website, test]

- name: Collectstatic
  command: "/opt/website/venv/bin/python manage.py collectstatic --noinput"
  args:
    chdir: "/opt/website/src"
  register: collectstatic_result
  changed_when: '"Copying " in collectstatic_result.stdout'
  tags: [website, test]

- name: Compile gettext
  command: "/opt/website/venv/bin/python manage.py compilemessages"
  args:
    chdir: "/opt/website/src"
  notify: restart website
  tags: [website, test]

- name: Ensure website is running
  service: name=website state=started enabled=yes
  tags: website

- name: Configure nginx host
  template:
    src: nginx-vhost
    dest: "/etc/nginx/sites-available/{{ website_vhost }}"
    owner: root
    group: root
    mode: 0644
  notify: reload nginx
  tags: website

- name: Create symlink for API nginx site
  file:
    src: "/etc/nginx/sites-available/{{ website_vhost }}"
    dest: "/etc/nginx/sites-enabled/{{ website_vhost }}"
    state: link
  notify: reload nginx
  tags: website

- name: Daily backup
  cron:
    user: website
    name: "backup"
    job: "/usr/bin/pg_dump --clean media > backup.sql"
    hour: '2'
    minute: '0'