- name: 'deploy c3lf-sys3'
  hosts: 'c3lf-nodes'
  handlers:
    - name: restart nginx
      service:
        name: nginx
        state: restarted

    - name: restart postfix
      service:
        name: postfix
        state: restarted

    - name: restart rspamd
      service:
        name: rspamd
        state: restarted

    - name: restart mariadb
      service:
        name: mariadb
        state: restarted

    - name: restart c3lf-sys3
      service:
        name: c3lf-sys3
        state: restarted

  tasks:
    - name: Update apt-get repo and cache
      apt: update_cache=yes force_apt_get=yes cache_valid_time=3600

    - name: Upgrade all apt packages
      apt: upgrade=dist force_apt_get=yes

    - name: Ansible apt-get to install base tools
      apt:
        name:
          - htop
          - tcpdump
          - jq
          - curl
          - libsensors5
          - prometheus-node-exporter
          - openssh-server
        state: present
        force_apt_get: yes

    - name: Remove useless packages from the cache
      apt:
        autoclean: yes

    - name: Remove dependencies that are no longer required
      apt:
        autoremove: yes

    - name: Check if a reboot is needed for debian
      register: reboot_required_file
      stat: path=/var/run/reboot-required get_checksum=no

    - name: Reboot the Debian or Ubuntu server
      reboot:
        msg: "Reboot initiated by Ansible due to kernel updates"
        connect_timeout: 5
        reboot_timeout: 300
        pre_reboot_delay: 0
        post_reboot_delay: 30
        test_command: uptime
      when: reboot_required_file.stat.exists

    - name: Ansible apt-get to install sys3 requirements
      apt:
        name:
          - ufw
          - fail2ban
          - nginx
          - redis
          - python3
          - python3-pip
          - python3-venv
          - python3-passlib
          - certbot
          - python3-certbot-nginx
          - mariadb-server
          - python3-dev
          - python3-mysqldb
          - default-libmysqlclient-dev
          - build-essential
          - postfix
          - rspamd
          - git
          - pkg-config
          - npm
        state: present

    - name: remove default nginx site
      file:
        path: /etc/nginx/sites-enabled/default
        state: absent

    - name: remove default nginx site
      file:
        path: /etc/nginx/sites-available/default
        state: absent

    - name: UFW allow SSH
      ufw:
        rule: allow
        port: 22
        proto: tcp
        state: enabled

    - name: UFW logging off
      ufw:
        logging: off

    - name: Configure nginx
      template:
        src: templates/nginx.conf.j2
        dest: /etc/nginx/sites-available/c3lf-sys3.conf
      notify:
        - restart nginx

    - name: UFW allow http
      ufw:
        rule: allow
        port: 80
        proto: tcp
        state: enabled

    - name: UFW allow https
      ufw:
        rule: allow
        port: 443
        proto: tcp
        state: enabled

    - name: Check if initial certbot certificate is needed
      stat:
        path: /etc/letsencrypt/live/{{web_domain}}/fullchain.pem
      register: certbot_cert_exists

    - name: Check nginx ssl config
      stat:
        path: /etc/letsencrypt/options-ssl-nginx.conf
      register: nginx_ssl_config_exists

    - block:
        - name: stop nginx
          service:
            name: nginx
            state: stopped
        - name: disable c3lf-sys3 site
          file:
            path: /etc/nginx/sites-enabled/c3lf-sys3.conf
            state: absent
        - name: add certbot domain
          command: "certbot certonly --standalone -d {{web_domain}} --non-interactive --agree-tos --email {{main_email}}"
        - name: install letsencrypt ssl config
          command: "certbot install --nginx --non-interactive"
        - name: enable c3lf-sys3 site
          file:
            src: /etc/nginx/sites-available/c3lf-sys3.conf
            dest: /etc/nginx/sites-enabled/c3lf-sys3.conf
            state: link
        - name: start nginx
          service:
            name: nginx
            state: started
      when: certbot_cert_exists.stat.exists == false or nginx_ssl_config_exists.stat.exists == false

    - name: Enable certbot auto renew
      cron:
        name: "certbot-auto renew"
        minute: "0"
        hour: "12"
        job: "certbot renew --quiet --no-self-upgrade --nginx --cert-name {{web_domain}}"
        state: present

    - name: Configure basic auth
      htpasswd:
        path: /etc/nginx/conf.d/lf-prod.htpasswd
        name: "{{ legacy_api_user }}"
        password: "{{ legacy_api_password }}"
        state: present
      notify:
        - restart nginx

    - name: Enable nginx site
      file:
        src: /etc/nginx/sites-available/c3lf-sys3.conf
        dest: /etc/nginx/sites-enabled/c3lf-sys3.conf
        state: link
      notify:
        - restart nginx

    - name: Initially start nginx
      service:
        name: nginx
        state: started
        enabled: yes

    - name: create database
      mysql_db:
        name: c3lf_sys3
        state: present
        login_unix_socket: /var/run/mysqld/mysqld.sock

    - name: create database user
      mysql_user:
        name: c3lf_sys3
        password: "{{ db_password }}"
        priv: "c3lf_sys3.*:ALL"
        state: present
        login_unix_socket: /var/run/mysqld/mysqld.sock

    - name: configure webdir
      file:
        path: /var/www
        state: directory
        owner: www-data
        group: www-data
        mode: 0755

    - name: configure webdir
      file:
        path: /var/www/c3lf-sys3
        state: directory
        owner: www-data
        group: www-data
        mode: 0755

    - name: install python app
      become: true
      become_user: www-data
      become_method: su
      become_flags: '-s /bin/bash'
      block:
        - name: create repo dir
          git:
            repo: "{{ git_repo }}"
            dest: /var/www/c3lf-sys3/repo
            version: "{{ git_branch }}"
            force: yes
            recursive: yes
            single_branch: yes
          register: git_repo
          notify:
            - restart c3lf-sys3

        - name: check if venv exists
          stat:
            path: /var/www/c3lf-sys3/venv/bin/python3
          register: venv_exists

        - name: create venv
          command: "python3 -m venv /var/www/c3lf-sys3/venv"
          when: venv_exists.stat.exists == false

        - name: install requirements
          pip:
            requirements: /var/www/c3lf-sys3/repo/core/requirements.prod.txt
            virtualenv: /var/www/c3lf-sys3/venv
            state: present
          when: git_repo.changed == true
          notify:
            - restart c3lf-sys3

        - name: configure django
          template:
            src: templates/django.env.j2
            dest: /var/www/c3lf-sys3/repo/core/.env

        - name: migrate database
          shell: "/var/www/c3lf-sys3/venv/bin/python /var/www/c3lf-sys3/repo/core/manage.py migrate"
          when: git_repo.changed == true

        - name: create superuser
          shell: "/var/www/c3lf-sys3/venv/bin/python /var/www/c3lf-sys3/repo/core/manage.py createsuperuser --noinput || true"
          when: git_repo.changed == true
          environment:
            DJANGO_SUPERUSER_USERNAME: admin
            DJANGO_SUPERUSER_PASSWORD: "{{ django_password }}"
            DJANGO_SUPERUSER_EMAIL: "{{ main_email }}"

        - name: collect static files
          shell: "/var/www/c3lf-sys3/venv/bin/python /var/www/c3lf-sys3/repo/core/manage.py collectstatic --noinput"
          when: git_repo.changed == true

        - name: js config
          template:
            src: templates/config.js.j2
            dest: /var/www/c3lf-sys3/repo/web/src/config.js

        - name: install build dependencies
          command:
            cmd: "npm install"
            chdir: /var/www/c3lf-sys3/repo/web
          when: git_repo.changed == true

        - name: build frontend
          command:
            cmd: "npm run build"
            chdir: /var/www/c3lf-sys3/repo/web
          when: git_repo.changed == true

    - name: add c3lf-sys3 service
      template:
        src: templates/c3lf-sys3.service.j2
        dest: /etc/systemd/system/c3lf-sys3.service
      notify:
        - restart c3lf-sys3

    - name: reload systemd
      systemd:
        daemon_reload: yes

    - name: start c3lf-sys3 service
      service:
        name: c3lf-sys3
        state: started
        enabled: yes

    - name: add postfix to www-data group
      user:
        name: postfix
        groups: www-data
        append: yes
      notify:
        - restart postfix

    - name: add custom transport config
      lineinfile:
        path: /etc/postfix/master.cf
        line: "c3lf-sys3 unix - n n - - lmtp"
        state: present
        create: yes
      notify:
        - restart postfix

    - name: configure postfix
      template:
        src: templates/postfix.cf.j2
        dest: /etc/postfix/main.cf
      notify:
        - restart postfix

    - name: configure rspamd
      copy:
        content: |
          write_servers = "localhost";
          read_servers = "localhost";
        dest: /etc/rspamd/local.d/redis.conf
      notify:
        - restart rspamd


    - name: UFW allow smtp
      ufw:
        rule: allow
        port: 25
        proto: tcp
        state: enabled