churn/ansible/install-chat.yml

---
- name: Install chat
  hosts: all
  become: true
  tasks:
    - name: Install deps
      apt:
        name:
          - git
          - vim
          - lighttpd
          - sudo
        state: present
        update_cache: yes
      when: not ( is_vmdb2 | bool )

    - name: Create dendrite directories
      file:
        path: "/home/{{ butter_user }}/dendrite/bin"
        state: directory
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: "0755"

    - name: Download pre-built dendrite archive
      get_url:
        url: "https://guardianproject.dev/api/packages/butter/generic/dendrite/latest/dendrite-{{ go_arch_map[ansible_architecture] }}.tar.gz"
        dest: /tmp
        mode: '0644'

    - name: Untar dendrite
      unarchive:
        src: "/tmp/dendrite-{{ go_arch_map[ansible_architecture] }}.tar.gz"
        dest: "/home/{{ butter_user }}/dendrite/bin"
        remote_src: yes
        extra_opts: [--strip-components=2]

    - name: Ensure butter_user owns Dendrite directory
      file:
        path: "/home/{{ butter_user }}/dendrite"
        state: directory
        recurse: yes

    - name: Generate Matrix signing key
      command: ./bin/generate-keys --private-key matrix_key.pem
      args:
        chdir: "/home/{{ butter_user }}/dendrite"

    - name: Generate self-signed TLS certificate (optional)
      command: ./bin/generate-keys --tls-cert server.crt --tls-key server.key
      args:
        chdir: "/home/{{ butter_user }}/dendrite"

    - name: Download Dendrite config to target
      get_url:
        url: "{{ config_base_url }}/butterbox-dendrite.conf"
        dest: "/home/{{ butter_user }}/dendrite/butterbox-dendrite.conf"
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: '0644'

    - name: Replace REPLACEME with butter_name in config
      replace:
        path: "/home/{{ butter_user }}/dendrite/butterbox-dendrite.conf"
        regexp: 'REPLACEME'
        replace: "{{ butter_name }}"

    - name: Replace /home/pi with /home/butter_user in config
      replace:
        path: "/home/{{ butter_user }}/dendrite/butterbox-dendrite.conf"
        regexp: '/pi/'
        replace: "/{{ butter_user }}/"

    - name: Create log directory for Dendrite
      file:
        path: "/var/log/dendrite"
        state: directory
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: '0755'
        recurse: yes

    - name: Download dendrite systemd service file
      get_url:
        url: "{{ config_base_url }}/butterbox-dendrite.service"
        dest: /lib/systemd/system/dendrite.service
        owner: root
        group: root
        mode: '0644'

    - name: Replace /home/pi with /home/butter_user in service file
      replace:
        path: /lib/systemd/system/dendrite.service
        regexp: '/pi/'
        replace: "/{{ butter_user }}/"

    - name: Replace pi with butter_user in service file
      replace:
        path: /lib/systemd/system/dendrite.service
        regexp: 'User=pi'
        replace: "User={{ butter_user }}"

    - name: Enable dendrite by symlink
      file:
        src: /lib/systemd/system/dendrite.service
        dest: /etc/systemd/system/multi-user.target.wants/dendrite.service
        state: link

    - name: Ensure butter_user owns Dendrite directory
      file:
        path: "/home/{{ butter_user }}/dendrite"
        state: directory
        recurse: yes
        owner: "{{ butter_user }}"
        group: "{{ butter_user }}"
        mode: "0755"

    - name: Restart service dendrite, issue daemon-reload to pick up config changes
      ansible.builtin.systemd_service:
        state: restarted
        daemon_reload: true
        name: dendrite
      when: not (is_vmdb2 | bool)

    - name: Download Matrix reverse proxy config for Lighttpd
      get_url:
        url: "{{ config_base_url }}/50-matrix-reverse-proxy.conf"
        dest: /etc/lighttpd/conf-available/50-matrix-reverse-proxy.conf
        owner: root
        group: root
        mode: '0644'

    - name: Ensure old symlink is removed if it exists
      file:
        path: /etc/lighttpd/conf-enabled/50-matrix-reverse-proxy.conf
        state: absent
        force: true
 
    - name: Enable reverse proxy config for Matrix in Lighttpd
      file:
        src: /etc/lighttpd/conf-available/50-matrix-reverse-proxy.conf
        dest: /etc/lighttpd/conf-enabled/50-matrix-reverse-proxy.conf
        state: link
        force: true

    - name: Start dendrite as user butter_user
      become: yes
      become_user: "{{ butter_user }}"
      shell: |
        nohup /home/{{ butter_user }}/dendrite/bin/dendrite \
          --config /home/{{ butter_user }}/dendrite/butterbox-dendrite.conf \
          -really-enable-open-registration \
          > /var/log/dendrite/dendrite-provision.log 2>&1 &
      args:
        chdir: "/home/{{ butter_user }}"
      when: is_vmdb2 | bool


    - name: Wait for Dendrite client API to be available
      wait_for:
        host: "127.0.0.1"
        port: 8008
        delay: 3         # wait a few seconds before first check
        timeout: 60      # give it up to a minute to start
        state: started
      when: is_vmdb2 | bool
    
    - name: Copy public room script
      template:
        src: templates/create_public_room.sh.j2
        dest: /home/pi/create_public_room.sh
        mode: '0755'
  
    - name: Run the create_public_room.sh script
      command: /home/pi/create_public_room.sh
      register: room_creation
      ignore_errors: false 
    
    - name: Show room creation output
      debug:
        var: room_creation.stdout