- name: Install PHP
  apt: pkg={{ packages }}
  vars:
    packages:
    - php-cli
    - php-bcmath
    - php-fpm
    - php-apcu
    - php-gd
    - php-gmp
    - php-imagick
    - php-mbstring
    - php-xml
    - php-curl
    - php-intl
    - php-ldap
    - php-mysql
    - php-zip
    - php-json
    - php-gmp

- name: Configure PHP 7.4 Zend opcache
  lineinfile: dest=/etc/php/7.4/fpm/php.ini
              regexp='^;?{{ item.var }}\\s*='
              line="{{ item.var }} = {{ item.value }}"
              owner=root group=root
              mode=0644
  with_items:
    - { var: opcache.memory_consumption,      value: 512 }
    - { var: opcache.revalidate_freq,         value: 180 }
    - { var: opcache.interned_strings_buffer, value: 12  }
  notify:
    - Restart php7.4-fpm

- name: Configure PHP 7.4 CLI
  lineinfile: dest=/etc/php/7.4/cli/php.ini
              regexp='^;?{{ item.var }}\\s*='
              line="{{ item.var }} = {{ item.value }}"
              owner=root group=root
              mode=0644
  with_items:
    - { var: apc.enable_cli, value: 1 }

- name: Create '_nextcloud' user
  user: name=_nextcloud system=yes
        group=nogroup
        createhome=no
        home=/nonexistent
        shell=/usr/sbin/nologin
        password=!
        state=present

- name: Delete PHP 7.4 FPM's www pool
  file: path=/etc/php/7.4/fpm/pool.d/www.conf state=absent
  notify:
    - Restart php7.4-fpm

- name: Configure PHP 7.4 FPM's nextcloud pool
  copy: src=etc/php/fpm/pool.d/nextcloud.conf
        dest=/etc/php/7.4/fpm/pool.d/nextcloud.conf
        owner=root group=root
        mode=0644
  notify:
    - Restart php7.4-fpm

- name: Start php7.4-fpm
  service: name=php7.4-fpm state=started

- name: Copy /etc/cron.d/nextcloud
  copy: src=etc/cron.d/nextcloud
        dest=/etc/cron.d/nextcloud
        owner=root group=root
        mode=0644

- name: Copy /etc/nginx/sites-available/nextcloud
  copy: src=etc/nginx/sites-available/nextcloud
        dest=/etc/nginx/sites-available/nextcloud
        owner=root group=root
        mode=0644
  register: r1
  notify:
    - Restart Nginx

- name: Create /etc/nginx/sites-enabled/nextcloud
  file: src=../sites-available/nextcloud
        dest=/etc/nginx/sites-enabled/nextcloud
        owner=root group=root
        state=link force=yes
  register: r2
  notify:
    - Restart Nginx

- name: Copy HPKP header snippet
  # never modify the pined pubkeys as we don't want to lock out our users
  template: src=etc/nginx/snippets/cloud.fripost.org.hpkp-hdr.j2
            dest=/etc/nginx/snippets/cloud.fripost.org.hpkp-hdr
            validate=/bin/false
            owner=root group=root
            mode=0644
  register: r3
  notify:
    - Restart Nginx

- name: Start Nginx
  service: name=nginx state=started
  when: not (r1.changed or r2.changed or r3.changed)

- meta: flush_handlers

- name: Fetch Nginx's X.509 certificate
  # Ensure we don't fetch private data
  become: False
  fetch_cmd: cmd="openssl x509 -noout -pubkey"
             stdin=/etc/nginx/ssl/cloud.fripost.org.pem
             dest=certs/public/cloud.fripost.org.pub
  tags:
    - genkey

- import_tasks: ldap.yml
  when: "'LDAP_provider' not in group_names"
  tags:
    - ldap

# Note: intentionally don't set an owner/group as we don't want to set
# ownership unless the path is a mountpoint.  The service will fail
# unless the data directory is mounted and accessible, and that's what
# we want.
- name: Create directory /mnt/nextcloud-data
  file: path=/mnt/nextcloud-data
        state=directory
        mode=0700

- name: Create directory /var/www/nextcloud
  file: path=/var/www/nextcloud
        state=directory
        owner=root group=root
        mode=0755

# Note: Nextcloud doesn't like symlinked apps
# * https://github.com/nextcloud/server/issues/10437
# * https://github.com/nextcloud/server/issues/13556
- name: Create directory /var/www/nextcloud/apps
  file: path=/var/www/nextcloud/apps
        state=directory
        owner=_nextcloud group=nogroup
        mode=0755

- name: Create directory /var/log/nextcloud
  file: path=/var/log/nextcloud
        state=directory
        owner=_nextcloud group=adm
        mode=0750

- name: Create directory /var/cache/nextcloud
  file: path=/var/cache/nextcloud
        state=directory
        owner=_nextcloud group=nogroup
        mode=0700

- name: Copy Nextcloud logrotate snippet
  copy: src=etc/logrotate.d/nextcloud
        dest=/etc/logrotate.d/nextcloud
        owner=root group=root
        mode=0644
  tags:
    - logrotate

- name: Install redis-server
  apt: pkg={{ packages }}
  vars:
    packages:
    - php-redis
    - redis-server

- name: Configure Redis
  lineinfile: dest=/etc/redis/redis.conf
              regexp='^#?\\s*{{ item.var }}\\s+'
              line="{{ item.var }} {{ item.value }}"
              owner=redis group=redis
              mode=0640
  with_items:
    - { var: port,           value: 0 }
    - { var: unixsocket,     value: /run/redis/redis-server.sock }
    - { var: unixsocketperm, value: 660 }
  notify:
    - Restart Redis

- name: Start redis-server
  service: name=redis-server state=started

- name: Add '_nextcloud' user to 'redis' group
  user: name=_nextcloud groups=redis append=yes
  notify:
    - Restart php7.4-fpm

- name: Install other Nextcloud dependencies
  apt: pkg={{ packages }}
  vars:
    packages:
    - libmagickcore-6.q16-6-extra