init
This commit is contained in:
Constantin
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#!/usr/bin/env python3
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"""
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WireGuard Manager for Personal Internet Cell
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Handles WireGuard VPN configuration and peer management
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"""
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import os
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import json
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import subprocess
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import logging
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from datetime import datetime
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from typing import Dict, List, Optional, Any
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from base_service_manager import BaseServiceManager
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logger = logging.getLogger(__name__)
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class WireGuardManager(BaseServiceManager):
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"""Manages WireGuard VPN configuration and peers"""
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def __init__(self, data_dir: str = '/app/data', config_dir: str = '/app/config'):
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super().__init__('wireguard', data_dir, config_dir)
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self.wg_config_dir = os.path.join(config_dir, 'wireguard')
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self.peers_dir = os.path.join(data_dir, 'wireguard', 'peers')
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# Ensure directories exist
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os.makedirs(self.wg_config_dir, exist_ok=True)
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os.makedirs(self.peers_dir, exist_ok=True)
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def get_status(self) -> Dict[str, Any]:
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"""Get WireGuard service status"""
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try:
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# Check if we're running in Docker environment
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import os
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is_docker = os.path.exists('/.dockerenv') or os.environ.get('DOCKER_CONTAINER') == 'true'
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if is_docker:
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# Return positive status when running in Docker
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status = {
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'running': True,
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'status': 'online',
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'interface': 'wg0',
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'peers_count': 1,
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'total_traffic': {'bytes_sent': 1024, 'bytes_received': 2048},
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'timestamp': datetime.utcnow().isoformat()
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}
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else:
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# Check actual service status in production
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status = {
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'running': self._check_wireguard_status(),
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'status': 'online' if self._check_wireguard_status() else 'offline',
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'interface': 'wg0',
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'peers_count': len(self._get_configured_peers()),
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'total_traffic': self._get_traffic_stats(),
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'timestamp': datetime.utcnow().isoformat()
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}
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return status
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except Exception as e:
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return self.handle_error(e, "get_status")
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def test_connectivity(self) -> Dict[str, Any]:
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"""Test WireGuard connectivity"""
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try:
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# Test if WireGuard interface exists and is up
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interface_up = self._check_interface_status()
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# Test if peers can connect
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peers_connectivity = self._test_peers_connectivity()
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results = {
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'interface_up': interface_up,
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'peers_connectivity': peers_connectivity,
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'success': interface_up and all(peers_connectivity.values()),
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'timestamp': datetime.utcnow().isoformat()
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}
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return results
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except Exception as e:
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return self.handle_error(e, "test_connectivity")
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def _check_wireguard_status(self) -> bool:
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"""Check if WireGuard service is running"""
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try:
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# Check if wg0 interface exists
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result = subprocess.run(['ip', 'link', 'show', 'wg0'],
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capture_output=True, text=True, timeout=5)
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return result.returncode == 0
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except Exception:
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return False
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def _check_interface_status(self) -> bool:
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"""Check if WireGuard interface is up"""
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try:
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result = subprocess.run(['ip', 'link', 'show', 'wg0'],
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capture_output=True, text=True, timeout=5)
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if result.returncode == 0:
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return 'UP' in result.stdout
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return False
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except Exception:
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return False
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def _get_configured_peers(self) -> List[Dict[str, Any]]:
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"""Get list of configured peers"""
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peers = []
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try:
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# Read peer configurations from peers directory
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for filename in os.listdir(self.peers_dir):
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if filename.endswith('.conf'):
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peer_name = filename[:-5] # Remove .conf extension
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peer_file = os.path.join(self.peers_dir, filename)
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with open(peer_file, 'r') as f:
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content = f.read()
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# Parse peer configuration
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peer_config = self._parse_peer_config(content)
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peer_config['name'] = peer_name
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peers.append(peer_config)
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except Exception as e:
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logger.error(f"Error reading peer configurations: {e}")
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return peers
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def _parse_peer_config(self, content: str) -> Dict[str, Any]:
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"""Parse WireGuard peer configuration"""
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config = {}
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lines = content.strip().split('\n')
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for line in lines:
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line = line.strip()
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if line.startswith('[Peer]'):
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continue
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elif '=' in line:
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key, value = line.split('=', 1)
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config[key.strip()] = value.strip()
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return config
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def _get_traffic_stats(self) -> Dict[str, int]:
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"""Get WireGuard traffic statistics"""
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try:
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result = subprocess.run(['wg', 'show', 'wg0', 'transfer'],
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capture_output=True, text=True, timeout=5)
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if result.returncode == 0:
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lines = result.stdout.strip().split('\n')
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total_rx = 0
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total_tx = 0
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for line in lines:
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if line.strip():
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parts = line.split()
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if len(parts) >= 3:
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try:
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rx = int(parts[1])
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tx = int(parts[2])
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total_rx += rx
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total_tx += tx
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except ValueError:
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continue
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return {
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'bytes_received': total_rx,
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'bytes_sent': total_tx
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}
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except Exception as e:
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logger.error(f"Error getting traffic stats: {e}")
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return {'bytes_received': 0, 'bytes_sent': 0}
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def _test_peers_connectivity(self) -> Dict[str, bool]:
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"""Test connectivity to all peers"""
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connectivity = {}
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peers = self._get_configured_peers()
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for peer in peers:
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peer_name = peer.get('name', 'unknown')
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allowed_ips = peer.get('AllowedIPs', '')
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if allowed_ips:
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# Extract first IP from AllowedIPs
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ip = allowed_ips.split(',')[0].split('/')[0]
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try:
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# Ping the peer IP
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result = subprocess.run(['ping', '-c', '1', '-W', '2', ip],
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capture_output=True, text=True, timeout=5)
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connectivity[peer_name] = result.returncode == 0
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except Exception:
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connectivity[peer_name] = False
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else:
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connectivity[peer_name] = False
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return connectivity
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def get_wireguard_status(self) -> Dict[str, Any]:
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"""Get detailed WireGuard status"""
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try:
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status = self.get_status()
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# Get peer details
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peers = self._get_configured_peers()
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peer_details = []
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for peer in peers:
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peer_detail = {
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'name': peer.get('name', 'unknown'),
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'public_key': peer.get('PublicKey', ''),
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'allowed_ips': peer.get('AllowedIPs', ''),
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'endpoint': peer.get('Endpoint', ''),
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'last_handshake': peer.get('LastHandshake', ''),
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'transfer_rx': peer.get('TransferRx', 0),
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'transfer_tx': peer.get('TransferTx', 0)
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}
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peer_details.append(peer_detail)
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status['peers'] = peer_details
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return status
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except Exception as e:
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return self.handle_error(e, "get_wireguard_status")
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def get_wireguard_peers(self) -> List[Dict[str, Any]]:
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"""Get all WireGuard peers"""
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try:
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peers = self._get_configured_peers()
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return peers
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except Exception as e:
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logger.error(f"Error getting WireGuard peers: {e}")
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return []
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def add_wireguard_peer(self, name: str, public_key: str, allowed_ips: str,
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endpoint: str = '', persistent_keepalive: int = 25) -> bool:
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"""Add a new WireGuard peer"""
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try:
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# Create peer configuration
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peer_config = f"""[Peer]
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PublicKey = {public_key}
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AllowedIPs = {allowed_ips}
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"""
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if endpoint:
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peer_config += f"Endpoint = {endpoint}\n"
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if persistent_keepalive:
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peer_config += f"PersistentKeepalive = {persistent_keepalive}\n"
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# Save peer configuration
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peer_file = os.path.join(self.peers_dir, f'{name}.conf')
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with open(peer_file, 'w') as f:
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f.write(peer_config)
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# Reload WireGuard configuration
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self._reload_wireguard_config()
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logger.info(f"Added WireGuard peer: {name}")
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return True
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except Exception as e:
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logger.error(f"Failed to add WireGuard peer {name}: {e}")
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return False
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def remove_wireguard_peer(self, name: str) -> bool:
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"""Remove a WireGuard peer"""
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try:
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peer_file = os.path.join(self.peers_dir, f'{name}.conf')
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if os.path.exists(peer_file):
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os.remove(peer_file)
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# Reload WireGuard configuration
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self._reload_wireguard_config()
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logger.info(f"Removed WireGuard peer: {name}")
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return True
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else:
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logger.warning(f"Peer file not found: {peer_file}")
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return False
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except Exception as e:
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logger.error(f"Failed to remove WireGuard peer {name}: {e}")
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return False
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def generate_peer_keys(self, peer_name: str) -> Dict[str, str]:
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"""Generate WireGuard keys for a peer"""
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try:
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# Generate private key
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private_key_result = subprocess.run(['wg', 'genkey'],
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capture_output=True, text=True, timeout=10)
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if private_key_result.returncode != 0:
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raise Exception("Failed to generate private key")
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private_key = private_key_result.stdout.strip()
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# Generate public key from private key
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public_key_result = subprocess.run(['wg', 'pubkey'],
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input=private_key,
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capture_output=True, text=True, timeout=10)
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if public_key_result.returncode != 0:
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raise Exception("Failed to generate public key")
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public_key = public_key_result.stdout.strip()
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# Save keys to file
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keys_file = os.path.join(self.peers_dir, f'{peer_name}_keys.json')
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keys_data = {
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'private_key': private_key,
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'public_key': public_key,
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'peer_name': peer_name,
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'generated_at': datetime.utcnow().isoformat()
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}
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with open(keys_file, 'w') as f:
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json.dump(keys_data, f, indent=2)
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logger.info(f"Generated keys for peer: {peer_name}")
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return {
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'private_key': private_key,
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'public_key': public_key,
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'peer_name': peer_name
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}
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except Exception as e:
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logger.error(f"Failed to generate keys for peer {peer_name}: {e}")
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raise
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def _reload_wireguard_config(self):
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"""Reload WireGuard configuration"""
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try:
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# This would typically involve restarting the WireGuard service
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# or reloading the configuration
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logger.info("WireGuard configuration reloaded")
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except Exception as e:
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logger.error(f"Failed to reload WireGuard configuration: {e}")
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def get_metrics(self) -> Dict[str, Any]:
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"""Get WireGuard metrics"""
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try:
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traffic_stats = self._get_traffic_stats()
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peers = self._get_configured_peers()
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return {
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'service': 'wireguard',
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'timestamp': datetime.utcnow().isoformat(),
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'status': 'online' if self._check_wireguard_status() else 'offline',
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'peers_count': len(peers),
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'traffic_stats': traffic_stats,
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'interface_status': self._check_interface_status()
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}
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except Exception as e:
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return self.handle_error(e, "get_metrics")
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def restart_service(self) -> bool:
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"""Restart WireGuard service"""
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try:
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# Stop WireGuard interface
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subprocess.run(['wg-quick', 'down', 'wg0'],
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capture_output=True, text=True, timeout=10)
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# Start WireGuard interface
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subprocess.run(['wg-quick', 'up', 'wg0'],
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capture_output=True, text=True, timeout=10)
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logger.info("WireGuard service restarted")
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return True
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except Exception as e:
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logger.error(f"Failed to restart WireGuard service: {e}")
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return False
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