511 lines
22 KiB
Python
511 lines
22 KiB
Python
import sqlite3
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import time
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import os
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import configparser
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import logging
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from datetime import datetime, timedelta
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from db import DatabaseManager
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# --- КЛАСС АГРЕГАЦИИ ДАННЫХ (TSDB LOGIC) ---
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class TimeSeriesAggregator:
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def __init__(self, db_provider):
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self.db_provider = db_provider
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self.logger = logging.getLogger(__name__)
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def _upsert_bucket(self, cursor, table, timestamp, client_id, rx, tx):
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"""
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Вставляет или обновляет запись в таблицу агрегации.
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Использует ON CONFLICT для атомарного обновления счетчиков.
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"""
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cursor.execute(f'''
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INSERT INTO {table} (timestamp, client_id, bytes_received, bytes_sent)
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VALUES (?, ?, ?, ?)
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ON CONFLICT(timestamp, client_id) DO UPDATE SET
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bytes_received = bytes_received + excluded.bytes_received,
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bytes_sent = bytes_sent + excluded.bytes_sent
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''', (timestamp, client_id, rx, tx))
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def aggregate(self, client_updates):
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"""
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Распределяет инкременты трафика по временным слотам (5m, 15m, 1h, 6h, 1d).
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"""
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if not client_updates:
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return
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conn = self.db_provider()
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cursor = conn.cursor()
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now = datetime.now()
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# --- РАСЧЕТ ВРЕМЕННЫХ КВАНТОВ ---
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# 1. Сутки (00:00:00)
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ts_1d = now.replace(hour=0, minute=0, second=0, microsecond=0).strftime('%Y-%m-%d %H:%M:%S')
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# 2. 6 часов (00, 06, 12, 18)
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hour_6h = now.hour - (now.hour % 6)
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ts_6h = now.replace(hour=hour_6h, minute=0, second=0, microsecond=0).strftime('%Y-%m-%d %H:%M:%S')
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# 3. 1 час (XX:00:00)
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ts_1h = now.replace(minute=0, second=0, microsecond=0).strftime('%Y-%m-%d %H:%M:%S')
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# 4. 15 минут (00, 15, 30, 45)
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min_15m = now.minute - (now.minute % 15)
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ts_15m = now.replace(minute=min_15m, second=0, microsecond=0).strftime('%Y-%m-%d %H:%M:%S')
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# 5. 5 минут (00, 05, 10...)
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min_5m = now.minute - (now.minute % 5)
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ts_5m = now.replace(minute=min_5m, second=0, microsecond=0).strftime('%Y-%m-%d %H:%M:%S')
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try:
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updates_count = 0
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for client in client_updates:
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client_id = client.get('db_id')
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# Пропускаем, если ID не определен
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if client_id is None:
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continue
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rx = client.get('bytes_received_inc', 0)
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tx = client.get('bytes_sent_inc', 0)
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# Пропускаем, если нет трафика
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if rx == 0 and tx == 0:
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continue
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# Запись во все уровни агрегации
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self._upsert_bucket(cursor, 'stats_5min', ts_5m, client_id, rx, tx)
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self._upsert_bucket(cursor, 'stats_15min', ts_15m, client_id, rx, tx)
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self._upsert_bucket(cursor, 'stats_hourly', ts_1h, client_id, rx, tx)
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self._upsert_bucket(cursor, 'stats_6h', ts_6h, client_id, rx, tx)
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self._upsert_bucket(cursor, 'stats_daily', ts_1d, client_id, rx, tx)
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updates_count += 1
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conn.commit()
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# Логируем только если были обновления
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if updates_count > 0:
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self.logger.debug(f"TS Aggregation: Updated buckets for {updates_count} clients")
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except Exception as e:
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self.logger.error(f"Error in TimeSeriesAggregator: {e}")
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conn.rollback()
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finally:
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conn.close()
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# --- ОСНОВНОЙ КЛАСС ---
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class OpenVPNDataGatherer:
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def __init__(self, config_file='config.ini'):
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self.config = self.load_config(config_file)
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self.setup_logging()
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self.last_check_time = None
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# Инициализируем дату последней очистки вчерашним днем для корректного старта
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self.last_cleanup_date = (datetime.now() - timedelta(days=1)).date()
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self.last_cleanup_date = (datetime.now() - timedelta(days=1)).date()
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self.db_manager = DatabaseManager(config_file)
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self.db_manager.init_database()
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# Инициализация модуля агрегации
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# Передаем ссылку на метод подключения к БД
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self.ts_aggregator = TimeSeriesAggregator(self.db_manager.get_connection)
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def load_config(self, config_file):
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"""Загрузка конфигурации или создание дефолтной со сложной структурой"""
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config = configparser.ConfigParser()
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# Полная структура конфига согласно требованиям
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defaults = {
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'api': {
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'host': '0.0.0.0',
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'port': '5000',
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'debug': 'false'
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},
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'openvpn_monitor': {
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'log_path': '/var/log/openvpn/openvpn-status.log',
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'db_path': 'openvpn_monitor.db',
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'check_interval': '10', # Интервал 10 секунд
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},
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'logging': {
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'level': 'INFO',
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'log_file': 'openvpn_gatherer.log'
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},
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'retention': {
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'raw_retention_days': '7', # 1 неделя
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'agg_5m_retention_days': '14', # 2 недели
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'agg_15m_retention_days': '28', # 4 недели
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'agg_1h_retention_days': '90', # 3 месяца
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'agg_6h_retention_days': '180', # 6 месяцев
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'agg_1d_retention_days': '365' # 12 месяцев
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},
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'visualization': {
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'refresh_interval': '5',
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'max_display_rows': '50'
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},
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'certificates': {
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'certificates_path': '/opt/ovpn/pki/issued',
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'certificate_extensions': 'crt'
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}
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}
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try:
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if os.path.exists(config_file):
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config.read(config_file)
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# Проверка: если каких-то новых секций нет в старом файле, добавляем их
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updated = False
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for section, options in defaults.items():
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if not config.has_section(section):
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config.add_section(section)
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updated = True
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for key, val in options.items():
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if not config.has_option(section, key):
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config.set(section, key, val)
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updated = True
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if updated:
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with open(config_file, 'w') as f:
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config.write(f)
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print(f"Updated configuration file: {config_file}")
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else:
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# Создаем файл с нуля
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for section, options in defaults.items():
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config[section] = options
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with open(config_file, 'w') as f:
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config.write(f)
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print(f"Created default configuration file: {config_file}")
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except Exception as e:
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print(f"Error loading config: {e}")
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# Fallback в памяти
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for section, options in defaults.items():
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if not config.has_section(section):
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config.add_section(section)
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for key, val in options.items():
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config.set(section, key, val)
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return config
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def setup_logging(self):
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try:
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log_level = self.config.get('logging', 'level', fallback='INFO')
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log_file = self.config.get('logging', 'log_file', fallback='openvpn_gatherer.log')
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# Создаем директорию для логов если нужно
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log_dir = os.path.dirname(log_file)
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if log_dir and not os.path.exists(log_dir):
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os.makedirs(log_dir)
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logging.basicConfig(
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level=getattr(logging, log_level.upper()),
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[
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logging.FileHandler(log_file),
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logging.StreamHandler()
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]
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)
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self.logger = logging.getLogger(__name__)
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except Exception as e:
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print(f"Logging setup failed: {e}")
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logging.basicConfig(level=logging.INFO)
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self.logger = logging.getLogger(__name__)
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def get_config_value(self, section, key, default=None):
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try:
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return self.config.get(section, key, fallback=default)
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except:
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return default
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# get_db_connection and init_database removed
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def cleanup_old_data(self):
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"""Очистка данных согласно retention policies в config.ini"""
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self.logger.info("Starting data cleanup procedure...")
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conn = self.db_manager.get_connection()
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cursor = conn.cursor()
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# Маппинг: Таблица -> Ключ конфига -> Дефолт (дни)
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retention_rules = [
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('usage_history', 'raw_retention_days', 7),
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('stats_5min', 'agg_5m_retention_days', 14),
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('stats_15min', 'agg_15m_retention_days', 28),
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('stats_hourly', 'agg_1h_retention_days', 90),
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('stats_6h', 'agg_6h_retention_days', 180),
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('stats_daily', 'agg_1d_retention_days', 365),
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]
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try:
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total_deleted = 0
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for table, config_key, default_days in retention_rules:
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days = int(self.get_config_value('retention', config_key, default_days))
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if days > 0:
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cutoff_date = (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d %H:%M:%S')
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cursor.execute(f'DELETE FROM {table} WHERE timestamp < ?', (cutoff_date,))
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deleted = cursor.rowcount
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if deleted > 0:
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self.logger.info(f"Cleaned {table}: removed {deleted} records older than {days} days")
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total_deleted += deleted
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conn.commit()
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if total_deleted == 0:
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self.logger.info("Cleanup finished: nothing to delete")
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except Exception as e:
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self.logger.error(f"Cleanup Error: {e}")
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conn.rollback()
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finally:
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conn.close()
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def parse_log_file(self):
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"""
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Парсинг лога версии 2 (CSV формат).
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Ожидает формат: CLIENT_LIST,Common Name,Real Address,...,Bytes Received,Bytes Sent,...
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"""
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log_path = self.get_config_value('openvpn_monitor', 'log_path', '/var/log/openvpn/openvpn-status.log')
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clients = []
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try:
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if not os.path.exists(log_path):
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self.logger.warning(f"Log file not found: {log_path}")
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return clients
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with open(log_path, 'r') as file:
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for line in file:
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line = line.strip()
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# Фильтруем только строки с данными клиентов
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if not line.startswith('CLIENT_LIST'):
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continue
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parts = line.split(',')
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# V2 Index Map:
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# 1: Common Name
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# 2: Real Address
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# 5: Bytes Received
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# 6: Bytes Sent
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if len(parts) >= 8 and parts[1] != 'Common Name':
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try:
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client = {
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'common_name': parts[1].strip(),
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'real_address': parts[2].strip(),
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'bytes_received': int(parts[5].strip()),
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'bytes_sent': int(parts[6].strip()),
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'status': 'Active'
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}
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clients.append(client)
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except (ValueError, IndexError) as e:
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self.logger.warning(f"Error parsing client line: {e}")
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self.logger.debug(f"Parsed {len(clients)} active clients")
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except Exception as e:
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self.logger.error(f"Error parsing log file: {e}")
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return clients
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def update_client_status_and_bytes(self, active_clients):
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"""Обновление статусов и расчет инкрементов трафика"""
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conn = self.db_manager.get_connection()
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cursor = conn.cursor()
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try:
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# Загружаем текущее состояние всех клиентов
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cursor.execute('SELECT id, common_name, status, last_bytes_received, last_bytes_sent FROM clients')
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db_clients = {}
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for row in cursor.fetchall():
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db_clients[row[1]] = {
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'id': row[0],
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'status': row[2],
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'last_bytes_received': row[3],
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'last_bytes_sent': row[4]
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}
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active_names = set()
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for client in active_clients:
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name = client['common_name']
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active_names.add(name)
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curr_recv = client['bytes_received']
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curr_sent = client['bytes_sent']
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if name in db_clients:
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# Клиент существует в базе
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db_client = db_clients[name]
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client['db_id'] = db_client['id'] # ID для агрегатора и истории
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# Проверка на рестарт сервера/сессии (сброс счетчиков)
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# Если текущее значение меньше сохраненного, значит был сброс -> берем всё текущее значение как дельту
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if curr_recv < db_client['last_bytes_received']:
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inc_recv = curr_recv
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self.logger.info(f"Counter reset detected for {name} (Recv)")
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else:
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inc_recv = curr_recv - db_client['last_bytes_received']
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if curr_sent < db_client['last_bytes_sent']:
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inc_sent = curr_sent
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self.logger.info(f"Counter reset detected for {name} (Sent)")
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else:
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inc_sent = curr_sent - db_client['last_bytes_sent']
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# Обновляем клиента
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cursor.execute('''
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UPDATE clients
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SET status = 'Active',
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real_address = ?,
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total_bytes_received = total_bytes_received + ?,
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total_bytes_sent = total_bytes_sent + ?,
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last_bytes_received = ?,
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last_bytes_sent = ?,
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updated_at = CURRENT_TIMESTAMP,
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last_activity = CURRENT_TIMESTAMP
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WHERE id = ?
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''', (
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client['real_address'],
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inc_recv,
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inc_sent,
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curr_recv,
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curr_sent,
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db_client['id']
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))
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client['bytes_received_inc'] = inc_recv
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client['bytes_sent_inc'] = inc_sent
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else:
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# Новый клиент
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cursor.execute('''
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INSERT INTO clients
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(common_name, real_address, status, total_bytes_received, total_bytes_sent, last_bytes_received, last_bytes_sent)
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VALUES (?, ?, 'Active', 0, 0, ?, ?)
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''', (
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name,
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client['real_address'],
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curr_recv,
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curr_sent
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))
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new_id = cursor.lastrowid
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client['db_id'] = new_id
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# Для первой записи считаем инкремент 0 (или можно считать весь трафик)
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client['bytes_received_inc'] = 0
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client['bytes_sent_inc'] = 0
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self.logger.info(f"New client added: {name}")
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# Помечаем отключенных
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for name, db_client in db_clients.items():
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if name not in active_names and db_client['status'] == 'Active':
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cursor.execute('''
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UPDATE clients
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SET status = 'Disconnected', updated_at = CURRENT_TIMESTAMP
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WHERE id = ?
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''', (db_client['id'],))
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self.logger.info(f"Client disconnected: {name}")
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conn.commit()
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except Exception as e:
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self.logger.error(f"Error updating client status: {e}")
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conn.rollback()
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finally:
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conn.close()
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return active_clients
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def calculate_rates(self, clients, time_diff):
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"""Расчет скорости в Mbps"""
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if time_diff <= 0:
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time_diff = 1.0 # Защита от деления на 0
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# Коэффициент: (байты * 8 бит) / (секунды * 1 млн)
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factor = 8 / (time_diff * 1_000_000)
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for client in clients:
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client['bytes_received_rate_mbps'] = client.get('bytes_received_inc', 0) * factor
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client['bytes_sent_rate_mbps'] = client.get('bytes_sent_inc', 0) * factor
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return clients
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def store_usage_history(self, clients):
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"""Сохранение высокодетализированной (Raw) истории"""
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if not clients:
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return
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conn = self.db_manager.get_connection()
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cursor = conn.cursor()
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try:
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for client in clients:
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if client.get('db_id'):
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cursor.execute('''
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INSERT INTO usage_history
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(client_id, bytes_received, bytes_sent, bytes_received_rate_mbps, bytes_sent_rate_mbps)
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VALUES (?, ?, ?, ?, ?)
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''', (
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client['db_id'],
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client.get('bytes_received_inc', 0),
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client.get('bytes_sent_inc', 0),
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client.get('bytes_received_rate_mbps', 0),
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client.get('bytes_sent_rate_mbps', 0)
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))
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conn.commit()
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except Exception as e:
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self.logger.error(f"Error storing raw history: {e}")
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conn.rollback()
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finally:
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conn.close()
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def run_monitoring_cycle(self):
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"""Один цикл мониторинга"""
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current_time = datetime.now()
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# 1. Получаем активных клиентов
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active_clients = self.parse_log_file()
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# 2. Обновляем статусы и считаем дельту трафика
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clients_with_updates = self.update_client_status_and_bytes(active_clients)
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if clients_with_updates:
|
||
# 3. Считаем интервал времени
|
||
time_diff = 10.0 # Номинал
|
||
if self.last_check_time:
|
||
time_diff = (current_time - self.last_check_time).total_seconds()
|
||
|
||
# 4. Считаем скорости
|
||
clients_rated = self.calculate_rates(clients_with_updates, time_diff)
|
||
|
||
# 5. Сохраняем RAW историю (для графиков реального времени)
|
||
self.store_usage_history(clients_rated)
|
||
|
||
# 6. Агрегируем в TSDB (5m, 15m, 1h, 6h, 1d)
|
||
self.ts_aggregator.aggregate(clients_rated)
|
||
|
||
self.last_check_time = current_time
|
||
|
||
# 7. Проверка необходимости очистки (раз в сутки)
|
||
if current_time.date() > self.last_cleanup_date:
|
||
self.logger.info("New day detected. Initiating cleanup.")
|
||
self.cleanup_old_data()
|
||
self.last_cleanup_date = current_time.date()
|
||
|
||
def start_monitoring(self):
|
||
"""Запуск цикла"""
|
||
interval = int(self.get_config_value('openvpn_monitor', 'check_interval', 10))
|
||
self.logger.info(f"Starting OpenVPN Monitoring. Interval: {interval}s")
|
||
self.logger.info("Press Ctrl+C to stop")
|
||
|
||
try:
|
||
while True:
|
||
self.run_monitoring_cycle()
|
||
time.sleep(interval)
|
||
|
||
except KeyboardInterrupt:
|
||
self.logger.info("Monitoring stopped by user")
|
||
except Exception as e:
|
||
self.logger.error(f"Critical error in main loop: {e}")
|
||
|
||
if __name__ == "__main__":
|
||
gatherer = OpenVPNDataGatherer()
|
||
gatherer.start_monitoring()
|