#!/usr/bin/ansible-playbook
# vim:ft=ansible:
---
- name: Install, configure, and start Nextcloud
  block:
  - name: Install Nextcloud-required packages
    apt:
      name: "{{ packages }}"
    vars:
      packages:
      - apache2
      - mariadb-server
      - 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 Apache
    block:
      - name: Configure virtual host
        template:
          src: apache2-vhost.conf
          dest: "/etc/apache2/sites-enabled/{{ nextcloud_url }}.conf"
      - 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: Chown webroot
            file:
              path: "{{ nextcloud_webroot }}"
              state: directory
              recurse: yes
              owner: root
              group: root
          - 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: Reload Apache
        service:
          name: apache2
          state: reloaded
  - name: Register certificates
    block:
      - name: Set up our filesystem heirarchy
        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/account.key
          email_address: "rehashedsalt@cock.li"
      - name: Create well-known directory
        file:
          path: "{{ nextcloud_webroot }}/.well-known/acme-challenge"
          mode: "0755"
          recurse: yes
          state: directory
      - 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
        copy:
          dest: "{{ nextcloud_webroot }}/{{ com_challenge['challenge_data'][nextcloud_url]['http-01']['resource'] }}"
          content: "{{ com_challenge['challenge_data'][nextcloud_url]['http-01']['resource_value'] }}"
        when: com_challenge is changed
      - name: Create certificate
        acme_certificate:
          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 }}"
  become: yes