ansible/roles/server/minecraft/tasks/main.yml

---

- name: Install required packages
  apt:
    state: present
    name:
      - openjdk-{{ java_version }}-jre-headless

- name: Create required read only directories
  file:
    state: directory
    path: "{{ item }}"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=rx,g=rx,o="
  loop:
    - "{{ installation_directory }}"

- name: Create required data directories
  file:
    state: directory
    path: "{{ item }}"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=rwx,g=rx,o="
  loop:
    - "{{ data_directory }}"
    - "{{ mcrcon_directory }}"

- name: Download minecraft server jar
  get_url:
    url: "{{ minecraft_source_link }}"
    validate_certs: yes
    dest: "{{ installation_directory }}/server.{{ minecraft_version }}.jar"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=r,g=r,o="

- name: Symlink minecraft server jar
  file:
    src: "{{ installation_directory }}/server.{{ minecraft_version }}.jar"
    dest: "{{ installation_directory }}/server.jar"
    state: link
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
  notify:
    - restart minecraft server

- name: Clone mcrcon into source directory
  become_user: "{{ system_user }}"
  git:
    repo: "https://github.com/Tiiffi/mcrcon.git"
    dest: "{{ mcrcon_directory }}"
    version: master
    clone: yes
    update: yes

- name: Compile mcrcon
  become_user: "{{ system_user }}"
  make:
    chdir: "{{ mcrcon_directory }}"
    target: mcrcon

- name: Accept EULA
  copy:
    dest: "{{ data_directory }}/eula.txt"
    content: "eula=true"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=r,g=r,o="

- name: Create remote control script
  template:
    src: control.sh
    dest: "{{ remote_control_script }}"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=rx,g=r,o="

- name: Configure minecraft server
  template:
    src: server.properties
    dest: "{{ data_directory }}/server.properties"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: "u=r,g=r,o="
  notify:
    - restart minecraft server

- name: Register service for minecraft server
  template:
    src: "minecraft.service"
    dest: "{{ global_systemd_configuration_directory }}/{{ service_name }}"
    owner: root
    group: root
    mode: "u=rw,g=r,o="
  notify:
    - reload systemd
    - restart minecraft server

- name: Allow port for minecraft server
  ufw:
    rule: allow
    port: "{{ minecraft_port }}"
    proto: tcp