- name: Ensure repository key for MongoDB is in place for Rocket.Chat
  apt_key: url=https://www.mongodb.org/static/pgp/server-4.4.asc state=present
  tags:
    - dependencies

- name: Add MongoDB repository for Rocket.Chat
  apt_repository: repo="deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/4.4 main"
  tags:
    - dependencies
  when: ansible_distribution_version == '9'

- name: Add MongoDB repository for Rocket.Chat
  apt_repository: repo="deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.4 main"
  tags:
    - dependencies
  when: ansible_distribution_version == '10'

- name: Check if Node.js is installed
  command: dpkg-query -l nodejs
  register: nodejs_deb_check

- name: Add Node.js repository for Rocket.Chat
  shell: curl -fsSL https://deb.nodesource.com/setup_12.x | sudo -E bash -
  when: nodejs_deb_check.stdout.find('no packages found') != -1

- name: Install MongoDB and other Rocket.Chat dependencies
  apt:
    name: "{{ packages }}"
    state: present
    update_cache: yes
  vars:
    packages:
    - build-essential
    - mongodb-org
    - nodejs
    - fontconfig
    - graphicsmagick
  tags:
    - dependencies

- name: Install proper Node.js version and dependencies for Rocket.Chat
  shell: sudo npm install -g inherits n && sudo n 12.18.4

- name: Create temporary Rocket.Chat directory
  file: state=directory path=/root/rocketchat

- name: Download Rocket.Chat {{ rocketchat_version }} release
  get_url:
    url="{{ rocketchat_release }}"
    dest=/root/rocketchat/rocketchat-{{ rocketchat_version }}.tar.gz

- name: Check if temporary Rocket.Chat {{ rocketchat_version }} directory already exists
  stat:
    path: /root/rocketchat/{{ rocketchat_version }}
  register: rocketchat_unpack_check

- name: Create temporary Rocket.Chat {{ rocketchat_version }} directory
  file: state=directory path=/root/rocketchat/{{ rocketchat_version }}

- name: Unpack Rocket.Chat {{ rocketchat_version }} source
  shell: tar xzvf /root/rocketchat/rocketchat-{{ rocketchat_version }}.tar.gz -C /root/rocketchat/{{ rocketchat_version }}
  args:
    chdir: /root/rocketchat
    creates: /root/rocketchat/{{ rocketchat_version }}/bundle

- name: Install Rocket.Chat {{ rocketchat_version }} source
  shell: cd /root/rocketchat/{{ rocketchat_version }}/bundle/programs/server && npm install --unsafe-perm
  when: not rocketchat_unpack_check.stat.exists

- name: Create /usr/local/bin/Rocket.Chat
  file: state=directory path=/usr/local/bin/Rocket.Chat

- name: Stop old Rocket.Chat instance
  service: name=rocketchat state=stopped
  ignore_errors: True

- name: Copy Rocket.Chat to /usr/local/bin/Rocket.Chat
  shell: cp -R /root/rocketchat/{{ rocketchat_version }}/bundle/. /usr/local/bin/Rocket.Chat/

- name: Add rocketchat group
  group:
    name: rocketchat
    state: present

- name: Add rocketchat user
  user:
    name: rocketchat
    create_home: no
    shell: /bin/bash
    password_lock: yes
    state: present
    system: yes
    group: rocketchat

- name: Fix Rocket.Chat permissions
  shell: sudo chown -R rocketchat:rocketchat /usr/local/bin/Rocket.Chat

- name: Create the Rocket.Chat service file
  template:
    src=lib_systemd_system_rocketchat.j2
    dest=/lib/systemd/system/rocketchat.service
    owner=root
    group=root

- name: Add modified MongoDB config file for Rocket.Chat
  copy:
    src=etc_mongod.conf
    dest=/etc/mongod.conf
    owner=root
    group=root
  notify: restart mongod

- name: Register new MongoDB service for Rocket.Chat
  systemd: name=mongod daemon_reload=yes enabled=yes

- name: Start new MongoDB instance for Rocket.Chat
  service: name=mongod state=restarted

- name: Initiate MongoDB replication set for Rocket.Chat
  shell: sudo mongo --eval "if (rs.status().codeName == \"NotYetInitialized\") printjson(rs.initiate())"

- name: Register new Rocket.Chat service
  systemd: name=rocketchat daemon_reload=yes enabled=yes

- name: Start new Rocket.Chat instance
  service: name=rocketchat state=started

- name: Create the Apache Rocket.Chat sites config files
  template:
    src=etc_apache2_sites-available_rocketchat.j2
    dest=/etc/apache2/sites-available/rocketchat_{{ item.name }}.conf
    owner=root
    group=root
  notify: restart apache
  with_items: "{{ virtual_domains }}"

- name: Enable Apache sites (creates new sites-enabled symlinks)
  command: a2ensite rocketchat_{{ item }}.conf creates=/etc/apache2/sites-enabled/rocketchat_{{ item }}.conf
  notify: restart apache
  with_items: "{{ virtual_domains | json_query('[*].name') }}"