ansible/roles/minecraft/tasks/main.yaml

---
- name: create minecraft group
  group:
    name: "{{ minecraft_group }}"
    gid: "{{ minecraft_group_gid | default(omit) }}"
    state: "{{ minecraft_group_state | default('present') }}"
    system: yes

- name: create minecraft user
  user:
    name: "{{ minecraft_user }}"
    uid: "{{ minecraft_user_uid | default(omit) }}"
    group: "{{ minecraft_group }}"
    home: "{{ minecraft_var_path }}"
    create_home: no
    shell: "{{ minecraft_shell | default('/usr/sbin/nologin') }}"
    state: "{{ minecraft_user_state | default('present') }}"
    system: yes
  
- name: install java
  package:
    name: "{{ minecraft_java_package_name }}"
    state: "{{ minecraft_java_package_state }}"

- name: create minecraft installation directory
  file:
    path: "{{ item }}"
    state: directory
    owner: root
    group: root
    mode: "0755"
  with_items:
    - "{{ minecraft_opt_path }}"
    - "{{ minecraft_opt_path }}/bin"
    - "{{ minecraft_opt_path }}/etc"
    - "{{ minecraft_opt_path }}/backup"

- name: create minecraft var directory
  file:
    path: "{{ item }}"
    state: directory
    owner: "{{ minecraft_user }}"
    group: "{{ minecraft_group }}"
    mode: "0755"
  with_items:
    - "{{ minecraft_var_path }}"

- name: download minecraft server
  get_url:
    url: "{{ minecraft_jar_url }}"
    dest: "{{ minecraft_opt_path }}/bin/server.jar"
    owner: "{{ minecraft_user }}"
    group: "{{ minecraft_group }}"
    mode: "0644"
    checksum: "{{ minecraft_jar_checksum }}"
  notify: restart minecraft

- name: agree to the eula
  copy:
    content: "eula=true"
    dest: "{{ minecraft_var_path }}/eula.txt"
    owner: "{{ minecraft_user }}"
    group: "{{ minecraft_group }}"
    mode: "0644"

- name: configure minecraft
  template:
    src: server.properties.j2
    dest: "{{ minecraft_var_path }}/server.properties"
    owner: root
    group: root
    mode: 0644
  notify: restart minecraft

- name: configure systemd unit
  template:
    src: minecraft.service.j2
    dest: /etc/systemd/system/minecraft.service
    owner: root
    group: root
    mode: 0644
    #validate: systemd-analyze verify %s
  notify: minecraft daemon-reload

- name: manage minecraft service
  service:
    name: "{{ minecraft_service_name }}"
    state: "{{ minecraft_service_state }}"
    enabled: "{{ minecraft_service_enabled }}"

- name: configure ops
  copy:
    content: "{{ (minecraft_ops | default([])) | to_nice_json }}"
    dest: "{{ minecraft_var_path }}/ops.json"
    owner: "{{ minecraft_user }}"
    group: "{{ minecraft_group }}"
    mode: "0644"
    force: no
  notify: restart minecraft

- name: configure whitelist
  copy:
    content: "{{ (minecraft_whitelist | default([])) | to_nice_json }}"
    dest: "{{ minecraft_var_path }}/whitelist.json"
    owner: "{{ minecraft_user }}"
    group: "{{ minecraft_group }}"
    mode: "0644"
    force: no
  notify: restart minecraft

- name: install backup script
  copy:
    src: minecraft-backup.sh
    dest: "{{ minecraft_opt_path }}/bin/minecraft-backup"
    owner: root
    group: root
    mode: 0700

- name: backup cron job
  cron:
    name: minecraft backup
    minute: "0"
    hour: "9"
    user: root
    job: "{{ minecraft_opt_path }}/bin/minecraft-backup"

- name: backup clean up cron
  cron:
    name: minecraft backup clean up
    minute: "0"
    hour: "11"
    user: root
    job: "find {{ minecraft_opt_path }}/backup/ -type f -name '*.tar.xz' -ctime +7 -delete"

- name: set world download password
  htpasswd:
    path: "{{ minecraft_opt_path }}/etc/htpasswd"
    name: minecraft
    password: minecraft
    owner: root
    group: root
    mode: 0644
  when: "'nginx' in ansible_play_role_names"

- name: configure nginx
  template:
    src: nginx.conf.j2
    dest: /etc/nginx/sites-available/minecraft
    owner: root
    group: root
    mode: 0644
  when: "'nginx' in ansible_play_role_names"
  notify: reload nginx

- name: activate site
  file:
    src: /etc/nginx/sites-available/minecraft
    dest: /etc/nginx/sites-enabled/minecraft
    owner: root
    group: root
    state: link
  when: "'nginx' in ansible_play_role_names"
  notify: reload nginx

- name: install discord notifier
  copy:
    src: minecraft-discord.py
    dest: "{{ minecraft_opt_path }}/bin/minecraft-discord"
    owner: root
    group: root
    mode: 0755
  notify: restart rsyslog

- name: configure discord notifier
  copy:
    dest: "{{ minecraft_opt_path }}/etc/discord.cfg"
    owner: syslog
    group: syslog
    mode: 0600
    content: "{% for k, v in minecraft_discord_config.items() %}{{ k }}={{ v }}{{ \"\n\" }}{% endfor %}"
  notify: restart rsyslog

- name: configure rsyslog program
  template:
    src: rsyslog/minecraft.conf.j2
    dest: /etc/rsyslog.d/05-minecraft.conf
    owner: root
    group: root
    mode: 0644
  notify: restart rsyslog

- name: manage rsyslog configuration
  file:
    path: "{{ item }}"
    state: "{{ (minecraft_notifier_state == 'present') | ternary('file', 'absent') }}"
  loop:
    - /etc/rsyslog.d/05-minecraft.conf
    - "{{ minecraft_opt_path }}/etc/discord.cfg"
    - "{{ minecraft_opt_path }}/bin/minecraft-discord"
  notify: restart rsyslog