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#!/usr/bin/env python3
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"""
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BGP Monitor Script
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Мониторинг BGP сессий, статистики и состояния сервера
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"""
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import os
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import sys
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import subprocess
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import json
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import time
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import logging
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from datetime import datetime
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from typing import Dict, List, Optional
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# Настройка логирования
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[
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logging.FileHandler('/var/log/bird/monitor.log'),
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logging.StreamHandler()
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]
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)
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logger = logging.getLogger(__name__)
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class BGPMonitor:
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def __init__(self):
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self.birdc_path = '/usr/bin/birdc'
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self.bird6c_path = '/usr/bin/bird6c'
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def execute_birdc_command(self, command: str, ipv6: bool = False) -> tuple:
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"""Выполняет команду через birdc"""
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try:
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birdc = self.bird6c_path if ipv6 else self.birdc_path
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result = subprocess.run(
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[birdc] + command.split(),
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capture_output=True,
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text=True,
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timeout=30
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)
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if result.returncode == 0:
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return True, result.stdout
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else:
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return False, result.stderr
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except subprocess.TimeoutExpired:
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return False, "Timeout при выполнении команды"
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except Exception as e:
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return False, str(e)
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def get_protocols_status(self, ipv6: bool = False) -> Dict:
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"""Получает статус всех протоколов"""
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success, output = self.execute_birdc_command("show protocols", ipv6)
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if not success:
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return {}
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protocols = {}
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current_protocol = None
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for line in output.split('\n'):
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line = line.strip()
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if not line:
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continue
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# Находим имя протокола
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if line.startswith('name') and 'state' in line:
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parts = line.split()
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if len(parts) >= 3:
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protocol_name = parts[1]
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state = parts[2]
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protocols[protocol_name] = {
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'state': state,
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'info': {}
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}
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current_protocol = protocol_name
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# Парсим дополнительную информацию
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elif current_protocol and ':' in line:
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key, value = line.split(':', 1)
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key = key.strip()
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value = value.strip()
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protocols[current_protocol]['info'][key] = value
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return protocols
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def get_routes_count(self, ipv6: bool = False) -> Dict:
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"""Получает количество маршрутов"""
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success, output = self.execute_birdc_command("show route count", ipv6)
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if not success:
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return {}
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routes_info = {}
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for line in output.split('\n'):
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line = line.strip()
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if ':' in line:
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key, value = line.split(':', 1)
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key = key.strip()
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value = value.strip()
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routes_info[key] = value
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return routes_info
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def get_bgp_peers(self, ipv6: bool = False) -> List[Dict]:
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"""Получает информацию о BGP пирах"""
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protocols = self.get_protocols_status(ipv6)
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bgp_peers = []
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for name, info in protocols.items():
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if name.startswith('bgp') and info['state'] == 'up':
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peer_info = {
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'name': name,
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'state': info['state'],
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'remote_ip': info['info'].get('Neighbor address', 'Unknown'),
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'remote_as': info['info'].get('Neighbor AS', 'Unknown'),
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'uptime': info['info'].get('Uptime', 'Unknown'),
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'routes_received': info['info'].get('Routes received', '0'),
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'routes_exported': info['info'].get('Routes exported', '0')
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}
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bgp_peers.append(peer_info)
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return bgp_peers
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def get_system_stats(self) -> Dict:
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"""Получает системную статистику"""
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stats = {
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'timestamp': datetime.now().isoformat(),
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'uptime': self.get_uptime(),
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'memory_usage': self.get_memory_usage(),
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'cpu_usage': self.get_cpu_usage(),
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'disk_usage': self.get_disk_usage()
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}
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return stats
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def get_uptime(self) -> str:
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"""Получает время работы системы"""
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try:
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with open('/proc/uptime', 'r') as f:
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uptime_seconds = float(f.read().split()[0])
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days = int(uptime_seconds // 86400)
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hours = int((uptime_seconds % 86400) // 3600)
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minutes = int((uptime_seconds % 3600) // 60)
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return f"{days}d {hours}h {minutes}m"
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except:
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return "Unknown"
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def get_memory_usage(self) -> Dict:
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"""Получает использование памяти"""
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try:
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with open('/proc/meminfo', 'r') as f:
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lines = f.readlines()
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mem_info = {}
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for line in lines:
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if ':' in line:
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key, value = line.split(':', 1)
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key = key.strip()
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value = int(value.split()[0])
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mem_info[key] = value
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total = mem_info.get('MemTotal', 0)
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available = mem_info.get('MemAvailable', 0)
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used = total - available
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usage_percent = (used / total * 100) if total > 0 else 0
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return {
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'total_mb': total // 1024,
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'used_mb': used // 1024,
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'available_mb': available // 1024,
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'usage_percent': round(usage_percent, 1)
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}
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except:
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return {'error': 'Unable to read memory info'}
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def get_cpu_usage(self) -> Dict:
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"""Получает использование CPU"""
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try:
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with open('/proc/loadavg', 'r') as f:
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load_avg = f.read().split()
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return {
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'load_1min': float(load_avg[0]),
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'load_5min': float(load_avg[1]),
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'load_15min': float(load_avg[2])
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}
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except:
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return {'error': 'Unable to read CPU info'}
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def get_disk_usage(self) -> Dict:
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"""Получает использование диска"""
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try:
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result = subprocess.run(
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['df', '-h', '/'],
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capture_output=True,
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text=True
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)
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if result.returncode == 0:
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lines = result.stdout.split('\n')
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if len(lines) >= 2:
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parts = lines[1].split()
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if len(parts) >= 5:
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return {
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'total': parts[1],
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'used': parts[2],
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'available': parts[3],
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'usage_percent': parts[4]
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}
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except:
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pass
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return {'error': 'Unable to read disk info'}
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def check_bird_service_status(self) -> Dict:
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"""Проверяет статус сервиса BIRD"""
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try:
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result = subprocess.run(
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['systemctl', 'is-active', 'bird'],
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capture_output=True,
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text=True
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)
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bird_status = result.stdout.strip()
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result = subprocess.run(
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['systemctl', 'is-active', 'bird6'],
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capture_output=True,
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text=True
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)
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bird6_status = result.stdout.strip()
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return {
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'bird': bird_status,
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'bird6': bird6_status,
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'timestamp': datetime.now().isoformat()
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}
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except:
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return {'error': 'Unable to check service status'}
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def generate_report(self, output_format: str = 'text') -> str:
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"""Генерирует отчет о состоянии BGP сервера"""
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report = {
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'timestamp': datetime.now().isoformat(),
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'system': self.get_system_stats(),
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'services': self.check_bird_service_status(),
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'ipv4': {
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'protocols': self.get_protocols_status(False),
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'routes': self.get_routes_count(False),
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'bgp_peers': self.get_bgp_peers(False)
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},
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'ipv6': {
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'protocols': self.get_protocols_status(True),
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'routes': self.get_routes_count(True),
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'bgp_peers': self.get_bgp_peers(True)
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}
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}
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if output_format == 'json':
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return json.dumps(report, indent=2)
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else:
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return self.format_text_report(report)
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def format_text_report(self, report: Dict) -> str:
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"""Форматирует отчет в текстовом виде"""
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output = []
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output.append("=" * 60)
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output.append("BGP SERVER STATUS REPORT")
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output.append("=" * 60)
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output.append(f"Time: {report['timestamp']}")
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output.append("")
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# Системная информация
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output.append("SYSTEM INFORMATION:")
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output.append("-" * 20)
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sys_info = report['system']
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output.append(f"Uptime: {sys_info['uptime']}")
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if 'memory_usage' in sys_info and 'usage_percent' in sys_info['memory_usage']:
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mem = sys_info['memory_usage']
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output.append(f"Memory: {mem['used_mb']}MB / {mem['total_mb']}MB ({mem['usage_percent']}%)")
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if 'cpu_usage' in sys_info and 'load_1min' in sys_info['cpu_usage']:
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cpu = sys_info['cpu_usage']
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output.append(f"Load Average: {cpu['load_1min']:.2f} (1min), {cpu['load_5min']:.2f} (5min), {cpu['load_15min']:.2f} (15min)")
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output.append("")
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# Статус сервисов
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output.append("SERVICE STATUS:")
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output.append("-" * 15)
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services = report['services']
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output.append(f"BIRD (IPv4): {services.get('bird', 'Unknown')}")
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output.append(f"BIRD (IPv6): {services.get('bird6', 'Unknown')}")
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output.append("")
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# BGP пиры IPv4
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output.append("BGP PEERS (IPv4):")
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output.append("-" * 18)
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ipv4_peers = report['ipv4']['bgp_peers']
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if ipv4_peers:
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for peer in ipv4_peers:
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output.append(f" {peer['name']}: {peer['remote_ip']} (AS{peer['remote_as']}) - {peer['state']}")
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output.append(f" Uptime: {peer['uptime']}, Routes: {peer['routes_exported']} exported")
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else:
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output.append(" No active BGP peers")
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output.append("")
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# BGP пиры IPv6
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output.append("BGP PEERS (IPv6):")
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output.append("-" * 18)
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ipv6_peers = report['ipv6']['bgp_peers']
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if ipv6_peers:
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for peer in ipv6_peers:
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output.append(f" {peer['name']}: {peer['remote_ip']} (AS{peer['remote_as']}) - {peer['state']}")
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output.append(f" Uptime: {peer['uptime']}, Routes: {peer['routes_exported']} exported")
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else:
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output.append(" No active BGP peers")
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output.append("")
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# Статистика маршрутов
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output.append("ROUTE STATISTICS:")
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output.append("-" * 18)
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ipv4_routes = report['ipv4']['routes']
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ipv6_routes = report['ipv6']['routes']
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if ipv4_routes:
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output.append("IPv4 Routes:")
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for key, value in ipv4_routes.items():
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output.append(f" {key}: {value}")
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if ipv6_routes:
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output.append("IPv6 Routes:")
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for key, value in ipv6_routes.items():
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output.append(f" {key}: {value}")
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output.append("=" * 60)
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return "\n".join(output)
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def monitor_continuously(self, interval: int = 60):
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"""Непрерывный мониторинг с заданным интервалом"""
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print(f"Starting continuous monitoring (interval: {interval}s)")
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print("Press Ctrl+C to stop")
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try:
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while True:
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report = self.generate_report('text')
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print(report)
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time.sleep(interval)
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except KeyboardInterrupt:
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print("\nMonitoring stopped")
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def main():
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"""Основная функция"""
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import argparse
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parser = argparse.ArgumentParser(description='BGP Monitor')
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parser.add_argument('--format', '-f', choices=['text', 'json'], default='text',
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help='Output format (text or json)')
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parser.add_argument('--continuous', '-c', action='store_true',
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help='Continuous monitoring')
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parser.add_argument('--interval', '-i', type=int, default=60,
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help='Monitoring interval in seconds (default: 60)')
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args = parser.parse_args()
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monitor = BGPMonitor()
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if args.continuous:
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monitor.monitor_continuously(args.interval)
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else:
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report = monitor.generate_report(args.format)
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print(report)
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if __name__ == "__main__":
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main()
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