chore: update VPN routing configuration and add Grafana VPN documentation

This commit is contained in:
2025-11-02 18:10:04 +01:00
parent 2dd8468d70
commit 7b7f0b41d2
41 changed files with 3727 additions and 11 deletions

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---
- name: Regenerate WireGuard Client - Fresh Config
hosts: production
become: yes
gather_facts: yes
vars:
wireguard_interface: "wg0"
wireguard_config_path: "/etc/wireguard"
wireguard_config_file: "{{ wireguard_config_path }}/{{ wireguard_interface }}.conf"
wireguard_client_configs_path: "/etc/wireguard/clients"
wireguard_local_client_configs_dir: "{{ playbook_dir }}/../wireguard-clients"
tasks:
- name: Validate client name
fail:
msg: "client_name is required. Usage: ansible-playbook ... -e 'client_name=myclient'"
when: client_name is not defined or client_name == ""
- name: Check if old client config exists
stat:
path: "{{ wireguard_client_configs_path }}/{{ client_name }}.conf"
register: old_client_config
failed_when: false
- name: Backup old client config
copy:
src: "{{ wireguard_client_configs_path }}/{{ client_name }}.conf"
dest: "{{ wireguard_client_configs_path }}/{{ client_name }}.conf.backup-{{ ansible_date_time.epoch }}"
remote_src: yes
when: old_client_config.stat.exists
register: backup_result
failed_when: false
- name: Display backup info
debug:
msg: "Alte Config wurde gesichert als: {{ backup_result.dest | default('N/A') }}"
when: old_client_config.stat.exists
- name: Remove old client from WireGuard server config
shell: |
# Entferne den [Peer] Block f?r den Client aus wg0.conf
sed -i '/# BEGIN ANSIBLE MANAGED BLOCK - Client: {{ client_name }}/,/^# END ANSIBLE MANAGED BLOCK - Client: {{ client_name }}/d' {{ wireguard_config_file }}
# Fallback: Entferne auch ohne Marker
sed -i '/# Client: {{ client_name }}/,/{/d' {{ wireguard_config_file }}
sed -i '/PublicKey = .*/d' {{ wireguard_config_file }} || true
sed -i '/AllowedIPs = .*\/32$/d' {{ wireguard_config_file }} || true
args:
executable: /bin/bash
register: remove_result
failed_when: false
changed_when: false
- name: Set WireGuard network
set_fact:
wireguard_network: "{{ wireguard_network | default('10.8.0.0/24') }}"
- name: Set WireGuard other variables with defaults
set_fact:
wireguard_port: "{{ wireguard_port | default(51820) }}"
client_ip: "{{ client_ip | default('') }}"
allowed_ips: "{{ allowed_ips | default(wireguard_network) }}"
- name: Get server external IP address
uri:
url: https://api.ipify.org
return_content: yes
register: server_external_ip
changed_when: false
failed_when: false
- name: Set server external IP
set_fact:
server_external_ip_content: "{{ ansible_host | default(server_external_ip.content | default('')) }}"
- name: Read WireGuard server config
slurp:
src: "{{ wireguard_config_file }}"
register: wireguard_server_config_read
- name: Extract server IP from config
set_fact:
server_vpn_ip: "{{ (wireguard_server_config_read.content | b64decode | regex_search('Address = ([0-9.]+)')) | default(['10.8.0.1']) | first }}"
failed_when: false
- name: Set default DNS servers
set_fact:
wireguard_dns_servers: "{{ [server_vpn_ip] }}"
- name: Extract WireGuard server IP octets
set_fact:
wireguard_server_ip_octets: "{{ server_vpn_ip.split('.') }}"
when: client_ip == ""
- name: Gather existing client addresses
set_fact:
existing_client_ips: "{{ (wireguard_server_config_read.content | b64decode | regex_findall('AllowedIPs = ([0-9A-Za-z.]+)/32', '\\\\1')) }}"
when: client_ip == ""
- name: Calculate client IP if not provided
vars:
existing_last_octets: "{{ (existing_client_ips | default([])) | map('regex_replace', '^(?:\\\\d+\\\\.\\\\d+\\\\.\\\\d+\\\\.)', '') | select('match', '^[0-9]+$') | map('int') | list }}"
server_last_octet: "{{ wireguard_server_ip_octets[3] | int }}"
next_octet_candidate: "{{ (existing_last_octets + [server_last_octet]) | map('int') | list | max + 1 if (existing_client_ips | default([]) | length > 0) else server_last_octet + 1 }}"
set_fact:
client_ip: "{{ [
wireguard_server_ip_octets[0],
wireguard_server_ip_octets[1],
wireguard_server_ip_octets[2],
next_octet_candidate
] | join('.') }}"
when: client_ip == ""
- name: Generate NEW client private key
command: "wg genkey"
register: client_private_key
changed_when: true
no_log: yes
- name: Generate NEW client public key
command: "wg pubkey"
args:
stdin: "{{ client_private_key.stdout }}"
register: client_public_key
changed_when: false
no_log: yes
- name: Add NEW client to WireGuard server config
blockinfile:
path: "{{ wireguard_config_file }}"
block: |
# Client: {{ client_name }}
[Peer]
PublicKey = {{ client_public_key.stdout }}
AllowedIPs = {{ client_ip }}/32
marker: "# {mark} ANSIBLE MANAGED BLOCK - Client: {{ client_name }}"
register: wireguard_client_block
- name: Ensure client configs directory exists
file:
path: "{{ wireguard_client_configs_path }}"
state: directory
mode: '0700'
owner: root
group: root
- name: Ensure local client configs directory exists
file:
path: "{{ wireguard_local_client_configs_dir }}"
state: directory
mode: '0700'
delegate_to: localhost
become: no
run_once: true
- name: Get server public key
shell: "cat {{ wireguard_config_path }}/{{ wireguard_interface }}_private.key | wg pubkey"
register: server_public_key_cmd
changed_when: false
no_log: yes
failed_when: false
- name: Create NEW client configuration file
template:
src: "{{ playbook_dir }}/../templates/wireguard-client.conf.j2"
dest: "{{ wireguard_client_configs_path }}/{{ client_name }}.conf"
mode: '0600'
owner: root
group: root
- name: Download NEW client configuration to control machine
fetch:
src: "{{ wireguard_client_configs_path }}/{{ client_name }}.conf"
dest: "{{ wireguard_local_client_configs_dir }}/{{ client_name }}.conf"
flat: yes
mode: '0600'
- name: Restart WireGuard service
systemd:
name: "wg-quick@{{ wireguard_interface }}"
state: restarted
- name: Display NEW client configuration
debug:
msg: |
========================================
WireGuard Client REGENERATED: {{ client_name }}
========================================
Neue Client-IP: {{ client_ip }}
Server Endpoint: {{ server_external_ip_content }}:{{ wireguard_port }}
Neue Client-Konfiguration:
{{ wireguard_local_client_configs_dir }}/{{ client_name }}.conf
WICHTIG:
1. Lade die neue Config-Datei herunter
2. Importiere sie in WireGuard (ersetze die alte!)
3. Verbinde mit dem VPN
4. Teste: ping 10.8.0.1
5. Teste: https://grafana.michaelschiemer.de
Alte Config gesichert als:
{{ backup_result.dest | default('N/A') }}
========================================