#!/usr/bin/ansible-playbook
# vim:ft=ansible:
---
- name: Include MySQL role
  include_role:
    name: mysql
- name: Install, configure, and start Nextcloud
  block:
  - name: Install Nextcloud-required packages
    apt:
      name: "{{ packages }}"
    vars:
      packages:
      - apache2
      - libapache2-mod-php7.2
      - php7.2
      - php7.2-gd
      - php7.2-json
      - php7.2-mysql
      - php7.2-curl
      - php7.2-mbstring
      - php7.2-intl
      - php-imagick
      - php7.2-xml
      - php7.2-zip
      - php7.2-cgi
      - php7.2-cli
      - python-openssl # Needed for keygen
  - name: Copy configuration
    copy:
      src: "{{ item.src }}"
      dest: "{{ item.dest }}"
      mode: "{{ item.mode }}"
    loop:
      - { src: "php-apache2.ini", dest: "/etc/php/7.2/apache2/php.ini", mode: "0644" }
      - { src: "php-cgi.ini", dest: "/etc/php/7.2/cgi/php.ini", mode: "0644" }
  - name: Set up MySQL
    block:
      - name: Create database
        mysql_db:
          name: nextclouddb
          login_user: root
          login_password: "{{ mysql_root_password }}"
          state: present
      - name: Create Nextcloud user
        mysql_user:
          name: nextcloud
          host: localhost
          password: "{{ nextcloud_mysql_password }}"
          priv: "nextclouddb.*:ALL,GRANT"
          login_user: root
          login_password: "{{ mysql_root_password }}"
  - name: Set up Apache
    block:
      - name: Disable default configuration
        file:
          # This is a symlink so who cares
          path: "/etc/apache2/sites-enabled/000-default.conf"
          state: absent
      - name: Create webroot
        file:
          path: "{{ nextcloud_webroot }}"
          mode: "0755"
          recurse: yes
          state: directory
      - name: Check for existing installation
        stat:
          path: "{{ nextcloud_webroot }}/index.html"
        register: stat_webroot_index
      - name: Install Nextcloud
        block:
          - name: Download Nextcloud
            get_url:
              dest: /var/www/nextcloud.tar.bz2
              url: "{{ nextcloud_tarbz2 }}"
          - name: Extract Nextcloud
            unarchive:
              src: /var/www/nextcloud.tar.bz2
              remote_src: yes
              dest: "{{ nextcloud_webroot }}"
              extra_opts: [--strip-components=1]
          - name: Create data directory
            file:
              path: "{{ nextcloud_webroot }}/data"
              state: directory
          - name: Chown webroot
            # Nextcloud docs say Apache needs write access, so it gets write access
            file:
              path: "{{ nextcloud_webroot }}"
              state: directory
              recurse: yes
              owner: www-data
              group: www-data
          - name: Cleanup
            file:
              path: /var/www/nextcloud.tar.bz2
              state: absent
        when: not stat_webroot_index.stat.exists
      - name: Enable Apache configs and modules
        shell: "{{ item }}"
        loop:
          - "a2enmod rewrite"
          - "a2enmod ssl"
  - name: Register certificates
    block:
      - name: Set up PKI filesystem hierarchy
        file:
          path: "{{ item.dir }}"
          mode: "{{ item.mode }}"
          recurse: yes
          owner: root
          group: www-data
          state: directory
        loop:
          - { dir: "/etc/pki", mode: "0750" }
          - { dir: "/etc/pki/cert", mode: "0750" }
          - { dir: "/etc/pki/cert/crt", mode: "0750" }
          - { dir: "/etc/pki/cert/csr", mode: "0750" }
          - { dir: "/etc/pki/cert/private", mode: "0750" }
      - name: Create ACME account key
        openssl_privatekey:
          path: "/etc/pki/cert/private/account.key"
          size: 4096
      - name: Create certificate key
        openssl_privatekey:
          path: "/etc/pki/cert/private/{{ nextcloud_url }}.key"
          size: 4096
      - name: Create CSR
        openssl_csr:
          path: "/etc/pki/cert/csr/{{ nextcloud_url }}.csr"
          common_name: "{{ nextcloud_url }}"
          privatekey_path: /etc/pki/cert/private/{{ nextcloud_url }}.key
          email_address: "rehashedsalt@cock.li"
      - name: Create challenge for CSR
        acme_certificate:
          acme_directory: "https://acme-staging-v02.api.letsencrypt.org/directory"
          acme_version: 2
          terms_agreed: yes
          account_email: "rehashedsalt@cock.li"
          account_key: "/etc/pki/cert/private/account.key"
          csr: "/etc/pki/cert/csr/{{ nextcloud_url }}.csr"
          dest: "/etc/pki/cert/crt/{{ nextcloud_url }}.crt"
          fullchain_dest: "/etc/pki/cert/crt/{{ nextcloud_url }}-fullchain.crt"
        register: com_challenge
      - name: Fulfill challenge
        block:
        - name: Configure insecure virtual host configs
          template:
            src: apache2-vhost.conf
            dest: "/etc/apache2/sites-enabled/{{ nextcloud_url }}.conf"
        - name: Reload Apache
          service:
            name: apache2
            state: reloaded
        - name: Create well-known directory
          file:
            path: "{{ nextcloud_webroot }}/.well-known/acme-challenge"
            mode: "0755"
            recurse: yes
            state: directory
        - name: Copy challenge files
          copy:
            dest: "{{ nextcloud_webroot }}/{{ com_challenge['challenge_data'][nextcloud_url]['http-01']['resource'] }}"
            content: "{{ com_challenge['challenge_data'][nextcloud_url]['http-01']['resource_value'] }}"
        - name: Create certificate
          acme_certificate:
            acme_directory: "https://acme-staging-v02.api.letsencrypt.org/directory"
            acme_version: 2
            account_key: /etc/pki/cert/private/account.key
            csr: "/etc/pki/cert/csr/{{ nextcloud_url }}.csr"
            dest: "/etc/pki/cert/crt/{{ nextcloud_url }}.crt"
            fullchain_dest: "/etc/pki/cert/crt/{{ nextcloud_url }}-fullchain.crt"
            chain_dest: "/etc/pki/cert/crt/{{ nextcloud_url }}-intermediate.crt"
            data: "{{ com_challenge }}"
        - name: Clean up
          file:
            path: "{{ nextcloud_webroot }}/.well-known"
            state: absent
        when: com_challenge is changed
  - name: Secure Apache
    block:
      - name: Copy over virtual host configs
        template:
          src: apache2-vhost-ssl.conf
          dest: "/etc/apache2/sites-enabled/{{ nextcloud_url }}.conf"
      - name: Reload Apache
        service:
          name: apache2
          state: reloaded
          enabled: true
  become: yes