personal_infra/ansible/infra/920_join_headscale_mesh.yml
2025-11-03 16:51:38 +01:00

118 lines
3.9 KiB
YAML

- name: Join machine to headscale mesh network
hosts: all
become: yes
vars_files:
- ../infra_vars.yml
- ../services/headscale/headscale_vars.yml
vars:
headscale_domain: "https://{{ headscale_subdomain }}.{{ root_domain }}"
tasks:
- name: Set headscale host
set_fact:
headscale_host: "{{ groups['spacey'][0] }}"
- name: Set facts for headscale server connection
set_fact:
headscale_user: "{{ hostvars[headscale_host]['ansible_user'] }}"
headscale_key: "{{ hostvars[headscale_host]['ansible_ssh_private_key_file'] | default('') }}"
headscale_port: "{{ hostvars[headscale_host]['ansible_port'] | default(22) }}"
- name: Get user ID for namespace from headscale server via lapy
delegate_to: "{{ groups['lapy'][0] }}"
become: no
vars:
ssh_args: "{{ ('-i ' + headscale_key + ' ' if headscale_key else '') + '-p ' + headscale_port|string }}"
shell: >
ssh {{ ssh_args }}
{{ headscale_user }}@{{ headscale_host }}
"sudo headscale users list -o json"
register: users_list_result
changed_when: false
failed_when: users_list_result.rc != 0
- name: Extract user ID from users list
set_fact:
headscale_user_id: "{{ (users_list_result.stdout | from_json) | selectattr('name', 'equalto', headscale_namespace) | map(attribute='id') | first }}"
failed_when: headscale_user_id is not defined or headscale_user_id == ''
- name: Generate pre-auth key from headscale server via lapy
delegate_to: "{{ groups['lapy'][0] }}"
become: no
vars:
ssh_args: "{{ ('-i ' + headscale_key + ' ' if headscale_key else '') + '-p ' + headscale_port|string }}"
shell: >
ssh {{ ssh_args }}
{{ headscale_user }}@{{ headscale_host }}
"sudo headscale preauthkeys create --user {{ headscale_user_id }} --expiration 1m --output json"
register: preauth_key_result
changed_when: true
failed_when: preauth_key_result.rc != 0
- name: Extract auth key from preauth result
set_fact:
auth_key: "{{ (preauth_key_result.stdout | from_json).key }}"
failed_when: auth_key is not defined or auth_key == ''
- name: Install required packages for Tailscale
apt:
name:
- curl
- ca-certificates
- gnupg
state: present
update_cache: yes
- name: Create directory for GPG keyrings
file:
path: /etc/apt/keyrings
state: directory
mode: '0755'
- name: Download Tailscale GPG key
get_url:
url: https://pkgs.tailscale.com/stable/debian/bookworm.gpg
dest: /etc/apt/keyrings/tailscale.gpg
mode: '0644'
- name: Add Tailscale repository
apt_repository:
repo: "deb [signed-by=/etc/apt/keyrings/tailscale.gpg] https://pkgs.tailscale.com/stable/debian {{ ansible_lsb.codename }} main"
state: present
update_cache: yes
- name: Install Tailscale
apt:
name: tailscale
state: present
update_cache: yes
- name: Enable and start Tailscale service
systemd:
name: tailscaled
enabled: yes
state: started
- name: Configure Tailscale to use headscale server
command: >
tailscale up
--login-server {{ headscale_domain }}
--authkey {{ auth_key }}
--accept-dns=true
register: tailscale_up_result
changed_when: "'already authenticated' not in tailscale_up_result.stdout"
failed_when: tailscale_up_result.rc != 0 and 'already authenticated' not in tailscale_up_result.stdout
- name: Wait for Tailscale to be fully connected
pause:
seconds: 2
- name: Display Tailscale status
command: tailscale status
register: tailscale_status
changed_when: false
- name: Show Tailscale connection status
debug:
msg: "{{ tailscale_status.stdout_lines }}"