minecraft.yaml

---
- name: Set up minecraft server
  become_user: "{{ service_name }}"
  hosts: minecraft
  vars:
    service_name: minecraft
    home: "/srv/{{ service_name }}"
    server_name: 2025-01-31-fabric
    server_dir: "{{ home }}/{{ server_name }}"
    mc_version: 1.20.2
    forge_version: 40.1.68
    hash: 01192708acf889c7ed78f0cfc27446c947e4c5b2
    install_type: vanilla
    #worldpath: "{{ home }}/worlds"
    #worldname: "myworld"
    ufw_apps:
    - { file: minecraft-server, app: Minecraft }

  tasks:
  - name: Create user
    ansible.builtin.user:
      name: "{{ service_name }}"
      system: yes
      shell: /usr/bin/bash
      home: "{{ home }}"
  - name: Install packages
    ansible.builtin.apt:
      name:
        - openjdk-18-jre-headless
        - openjdk-21-jre-headless
  - name: Add tmux script
    ansible.builtin.template:
      src: files/minecraft/tmux_start.sh.j2
      dest: "{{ home }}/tmux_start.sh"
  - name: Create reboot tmux task
    ansible.builtin.cron:
      name: Start tmux on boot
      #cron_file: backup-operationbot
      special_time: reboot
      user: "{{ service_name }}"
      job: SHELL=/bin/bash $HOME/tmux_start.sh
      state: absent
  - name: Create server directory
    ansible.builtin.file:
      path: "{{ server_dir }}"
      state: directory
    become: yes
  - name: Accept eula
    ansible.builtin.copy:
      content: eula=true
      dest: "{{ server_dir }}/eula.txt"
    become: yes

  - name: Install forge
    block:
    - name: Check if start script exists
      ansible.builtin.stat:
        path: "{{ server_dir }}/run.sh"
      register: target
    - ansible.builtin.tempfile:
        path: "{{ server_dir }}"
        state: file
        suffix: .jar
      register: downloaded_file
      become: yes
      when: not target.stat.exists
    - name: Download server
      ansible.builtin.get_url:
        url: "https://maven.minecraftforge.net/net/minecraftforge/forge/{{ mc_version }}-{{ forge_version }}/forge-{{ mc_version }}-{{ forge_version }}-installer.jar"
        dest: "{{ downloaded_file.path }}"
        checksum: "sha1:{{ hash }}"
      become: yes
      when: downloaded_file is changed
    - name: Install server
      ansible.builtin.command:
        cmd: java -jar "{{ downloaded_file.path }}" --installServer
        creates: "{{ server_dir }}/run.sh"
        chdir: "{{ server_dir }}"
      become: yes
      when: downloaded_file is changed
    - name: Delete installer
      ansible.builtin.file:
        state: absent
        path: "{{ downloaded_file.path }}"
      become: yes
      when: downloaded_file is changed
    - name: Copy wrapper
      ansible.builtin.copy:
        src: files/minecraft/wrap.sh
        dest: "{{ server_dir }}/wrap.sh"
      become: yes
    when: install_type == "forge"

  - name: Install vanilla
    block:
    - debug:
        msg: this is vanilla
    when: install_type == "vanilla"
  #- name: Create operationbot backup crontab
  #  ansible.builtin.cron:
  #    name: Back up operationbot events
  #    #cron_file: backup-operationbot
  #    minute: "*/15"
  #    user: operationbot
  #    job: /srv/operationbot/operationbot/scripts/backup-events.sh > /dev/null
  #- ansible.builtin.file:
  #    state: absent
  #    path: "{{ extract_dir.path }}"
  #  when: downloaded_file is changed
  #- name: Make server executable
  #  ansible.builtin.file:
  #    path: "{{ server_dir }}/TerrariaServer.bin.x86_64"
  #    mode: u+x
  #- name: Create config file
  #  ansible.builtin.template:
  #    src: files/terraria/serverconfig.txt.j2
  #    dest: "{{ home }}/serverconfig.txt"
  #    mode: 0600
  #    owner: "{{ service_name }}"
  #    group: "{{ service_name }}"
  #- name: Create systemd service
  #  ansible.builtin.template:
  #    src: files/terraria/systemd.service.j2
  #    dest: /etc/systemd/system/{{ service_name }}.service
  #  notify:
  #  - Reload systemd
  #- name: Run terraria
  #  ansible.builtin.systemd:
  #    state: started
  #    enabled: yes
  #    name: "{{ service_name }}"
  #- name: Install terrariad
  #  ansible.builtin.template:
  #    src: files/terraria/terrariad.j2
  #    dest: /usr/local/bin/terrariad
  #    mode: 0755
  # UFW
  # TODO: move into a role
  - name: Install UFW apps
    ansible.builtin.copy:
      src: "files/ufw/applications.d/{{ item.file }}"
      dest: "/etc/ufw/applications.d/{{ item.file }}"
    loop: "{{ ufw_apps }}"
  - name: Enable UFW rules
    community.general.ufw:
      rule: allow
      name: "{{ item.app }}"
    loop: "{{ ufw_apps }}"

  handlers:
  - name: Reload systemd
    ansible.builtin.systemd:
      daemon_reload: yes