# 基础配置 Role
# 功能: hostname、sysctl、Tailscale 安装
---
- name: Set hostname
  ansible.builtin.hostname:
    name: "{{ node_hostname }}"
  when: node_hostname is defined

- name: Update /etc/hosts
  ansible.builtin.lineinfile:
    path: /etc/hosts
    regexp: '^127\.0\.1\.1'
    line: "127.0.1.1 {{ node_hostname }}"
  when: node_hostname is defined

- name: Configure sysctl for IP forwarding
  ansible.builtin.copy:
    dest: /etc/sysctl.d/99-k3s.conf
    content: |
      net.ipv4.ip_forward = 1
      net.ipv6.conf.all.forwarding = 1
    mode: '0644'
  notify: Apply sysctl

- name: Install dependencies
  ansible.builtin.apt:
    name: [curl, wget, ca-certificates]
    state: present
    update_cache: yes

- name: Check if Tailscale is installed
  ansible.builtin.command: which tailscale
  register: tailscale_check
  ignore_errors: yes
  changed_when: false

- name: Install Tailscale
  ansible.builtin.shell: curl -fsSL https://tailscale.com/install.sh | sh
  when: tailscale_check.rc != 0

- name: Enable Tailscale service
  ansible.builtin.systemd:
    name: tailscaled
    enabled: yes
    state: started