---

- name: Calculate username and home
  set_fact:
    admin: "admin-{{ fqdn | replace('.', '_') }}"
    user: "web-{{ fqdn | replace('.', '_') }}"
    home: "/var/www/{{ fqdn }}"

- name: Create WSGI website group
  group: name="{{ user }}" gid="{{ uid | default(omit) }}" state=present

- name: Create WSGI website admin user
  user: name="{{ admin }}" uid="{{ admin_uid | default(omit) }}" group="{{ user }}"
        shell=/bin/bash createhome=yes home="{{ home }}" state=present

- name: Set-up directory for storing user profile configuration files
  file: path="{{ home }}/.profile.d" state=directory
        owner="{{ admin }}" group="{{ user }}" mode=0750

- name: Deploy profile configuration file for auto-activating the virtual environment
  copy: src="profile_virtualenv.sh" dest="{{ home }}/.profile.d/virtualenv.sh"
        owner="root" group="{{ user }}" mode="0640"

- name: Deploy profile configuration file for setting environment variables
  template: src="environment.sh.j2" dest="{{ home }}/.profile.d/environment.sh"
            owner="root" group="{{ user }}" mode=0640

- name: Create WSGI website user
  user: name="{{ user }}" uid="{{ uid | default(omit) }}" group="{{ user }}" comment="umask=0007"
        system=yes createhome=no state=present home="{{ home }}"

- name: Add nginx user to website group
  user: name="www-data" groups="{{ user }}" append="yes"
  notify:
    - Restart nginx

# Ownership set to root so Postfix would not check if correct user owns the
# file.
- name: Set-up forwarding for mails delivered to local application user/admin
  template: src="forward.j2" dest="{{ home }}/.forward"
            owner="root" group="{{ user }}" mode=0640

- name: Install extra packages for website
  apt: name="{{ item }}" state=present
  with_items: "{{ packages }}"
  notify:
    - "Restart website {{ fqdn }}"

- name: Set-up MariaDB mysql_config symbolic link for compatibility (workaround for Debian bug 766996)
  file: src="/usr/bin/mariadb_config" dest="/usr/bin/mysql_config" state=link
  when: "'libmariadb-client-lgpl-dev-compat' in packages"

- name: Create directory for storing the Python virtual environment
  file: path="{{ home }}/virtualenv" state=directory
        owner="{{ admin }}" group="{{ user }}" mode="02750"

- name: Create Python virtual environment
  become: yes
  become_user: "{{ admin }}"
  command: /usr/bin/virtualenv --prompt "({{ fqdn }})" "{{ home }}/virtualenv" creates="{{ home }}/virtualenv/bin/activate"
  tags:
    # [ANSIBLE0012] Commands should not change things if nothing needs doing
    #   This task will not fire if the virtual environment has already bene
    #   created (thanks to 'creates' parameter).
    - skip_ansible_lint

- name: Configure project directory for the Python virtual environment
  template: src="venv_project.j2" dest="{{ home }}/virtualenv/.project"
            owner="{{ admin }}" group="{{ user }}" mode="0640"

- name: Deploy virtualenv wrapper
  template: src="venv_exec.j2" dest="{{ home }}/virtualenv/bin/exec"
            owner="{{ admin }}" group="{{ user }}" mode="0750"

- name: Install WSGI server
  become: yes
  become_user: "{{ admin }}"
  pip: name="{{ item.package }}" version="{{ item.version }}" state=present virtualenv="{{ home }}/virtualenv"
  with_items:
    - package: gunicorn
      version: "{{ gunicorn_version }}"
    - package: futures
      version: "{{ futures_version }}"
  when: "not wsgi_requirements"
  notify:
    - "Restart website {{ fqdn }}"

- include: requirements.yml
  when: "wsgi_requirements"

- name: Install additional packages in Python virtual environment
  become: yes
  become_user: "{{ admin }}"
  pip: name="{{ item }}" state=present virtualenv="{{ home }}/virtualenv"
  with_items: "{{ virtualenv_packages }}"
  notify:
    - "Restart website {{ fqdn }}"

- name: Deploy systemd socket configuration for website
  template: src="systemd_wsgi_website.socket.j2" dest="/etc/systemd/system/{{ fqdn }}.socket"
            owner=root group=root mode=0644
  notify:
    - Reload systemd
    - "Restart website {{ fqdn }}"

- name: Deploy systemd service configuration for website
  template: src="systemd_wsgi_website.service.j2" dest="/etc/systemd/system/{{ fqdn }}.service"
            owner=root group=root mode=0644
  notify:
    - Reload systemd
    - "Restart website {{ fqdn }}"

- name: Enable the website service
  service: name="{{ fqdn }}" enabled=yes state=started

- name: Create directory where static files can be served from
  file: path="{{ home }}/htdocs/" state=directory
        owner="{{ admin }}" group="{{ user }}" mode="02750"

- name: Deploy nginx TLS private key for website
  copy:
    dest: "/etc/ssl/private/{{ fqdn }}_https.key"
    content: "{{ https_tls_key }}"
    mode: 0640
    owner: root
    group: root
  notify:
    - Restart nginx

- name: Deploy nginx TLS certificate for website
  copy:
    dest: "/etc/ssl/certs/{{ fqdn }}_https.pem"
    content: "{{ https_tls_certificate }}"
    mode: 0644
    owner: root
    group: root
  notify:
    - Restart nginx

- name: Deploy configuration file for checking certificate validity via cron
  copy: content="/etc/ssl/certs/{{ fqdn }}_https.pem" dest="/etc/check_certificate/{{ fqdn }}_https.conf"
        owner=root group=root mode=0644

- name: Deploy nginx configuration file for website
  template: src="nginx_site.j2" dest="/etc/nginx/sites-available/{{ fqdn }}"
            owner=root group=root mode=0640 validate="/usr/local/bin/nginx_verify_site.sh -n '{{ fqdn }}' %s"
  notify:
    - Restart nginx

- name: Enable nginx website
  file: src="/etc/nginx/sites-available/{{ fqdn }}" dest="/etc/nginx/sites-enabled/{{ fqdn }}"
        state=link
  notify:
    - Restart nginx

- name: Explicitly run all handlers
  include: ../handlers/main.yml
  when: "handlers | default(False) | bool() == True"
  tags:
    - handlers