251 lines
8.4 KiB
Python
Executable File
251 lines
8.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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APISIX 路由监听服务
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监听路由创建事件，自动为域名申请 SSL 证书
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"""
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import os
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import sys
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import json
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import time
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import logging
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import requests
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from typing import Set, Optional
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import sys
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from ssl_manager import APISIXSSLManager
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# 配置日志
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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handlers=[
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logging.FileHandler('/var/log/apisix-route-watcher.log'),
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logging.StreamHandler(sys.stdout)
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]
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)
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logger = logging.getLogger(__name__)
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class RouteWatcher:
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"""路由监听器"""
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def __init__(self, config_path: str = None):
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"""初始化监听器"""
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self.ssl_manager = APISIXSSLManager(config_path)
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# 从环境变量或配置获取 APISIX 配置
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self.apisix_admin_url = os.getenv('APISIX_ADMIN_URL', 'http://localhost:9180')
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self.apisix_admin_key = os.getenv('APISIX_ADMIN_KEY', '8206e6e42b6b53243c52a767cc633137')
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# 已处理的域名集合
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self.processed_domains: Set[str] = set()
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# 加载已处理的域名
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self._load_processed_domains()
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def _get_apisix_headers(self):
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"""获取 APISIX Admin API 请求头"""
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return {
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'X-API-KEY': self.apisix_admin_key,
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'Content-Type': 'application/json'
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}
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def _load_processed_domains(self):
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"""加载已处理的域名列表"""
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state_file = '/var/lib/apisix-ssl-manager/processed_domains.json'
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if os.path.exists(state_file):
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try:
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with open(state_file, 'r') as f:
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self.processed_domains = set(json.load(f))
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logger.info(f"加载已处理域名: {len(self.processed_domains)} 个")
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except Exception as e:
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logger.warning(f"加载已处理域名失败: {e}")
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def _save_processed_domains(self):
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"""保存已处理的域名列表"""
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state_file = '/var/lib/apisix-ssl-manager/processed_domains.json'
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os.makedirs(os.path.dirname(state_file), exist_ok=True)
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try:
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with open(state_file, 'w') as f:
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json.dump(list(self.processed_domains), f)
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except Exception as e:
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logger.error(f"保存已处理域名失败: {e}")
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def get_all_routes(self) -> list:
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"""获取所有路由"""
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try:
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response = requests.get(
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f"{self.apisix_admin_url}/apisix/admin/routes",
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headers=self._get_apisix_headers(),
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timeout=10
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)
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if response.status_code == 200:
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data = response.json()
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return data.get('list', [])
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else:
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logger.error(f"获取路由失败: {response.status_code}")
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return []
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except Exception as e:
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logger.error(f"获取路由异常: {e}")
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return []
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def get_all_ssls(self) -> list:
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"""获取所有 SSL 配置"""
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try:
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response = requests.get(
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f"{self.apisix_admin_url}/apisix/admin/ssls",
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headers=self._get_apisix_headers(),
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timeout=10
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)
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if response.status_code == 200:
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data = response.json()
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return data.get('list', [])
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else:
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logger.error(f"获取 SSL 配置失败: {response.status_code}")
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return []
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except Exception as e:
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logger.error(f"获取 SSL 配置异常: {e}")
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return []
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def extract_domains_from_route(self, route: dict) -> Set[str]:
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"""从路由中提取域名"""
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domains = set()
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route_value = route.get('value', {})
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# 从 host 字段提取（单个域名，Dashboard 常用）
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host = route_value.get('host')
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if host and isinstance(host, str):
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domains.add(host)
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# 从 hosts 字段提取（域名数组）
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hosts = route_value.get('hosts', [])
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if hosts:
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if isinstance(hosts, list):
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domains.update(hosts)
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elif isinstance(hosts, str):
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domains.add(hosts)
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# 从 uri 字段提取（如果包含域名）
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uri = route_value.get('uri', '')
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if uri and '.' in uri and not uri.startswith('/'):
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# 可能是域名格式
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parts = uri.split('/')
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if parts[0] and '.' in parts[0]:
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domains.add(parts[0])
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# 从 match 字段提取
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match = route_value.get('match', {})
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if isinstance(match, dict):
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for key, value in match.items():
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if 'host' in key.lower() and isinstance(value, str):
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domains.add(value)
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return domains
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def extract_domains_from_ssl(self, ssl: dict) -> Set[str]:
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"""从 SSL 配置中提取域名"""
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domains = set()
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snis = ssl.get('value', {}).get('snis', [])
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if snis:
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domains.update(snis)
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return domains
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def should_request_cert(self, domain: str) -> bool:
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"""判断是否需要申请证书"""
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# 跳过已处理的域名
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if domain in self.processed_domains:
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return False
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# 跳过本地域名
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if domain in ['localhost', '127.0.0.1', '0.0.0.0']:
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return False
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# 跳过 IP 地址
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if domain.replace('.', '').isdigit():
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return False
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# 检查是否已有 SSL 配置
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ssls = self.get_all_ssls()
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for ssl in ssls:
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ssl_domains = self.extract_domains_from_ssl(ssl)
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if domain in ssl_domains:
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logger.info(f"域名已有 SSL 配置: {domain}")
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self.processed_domains.add(domain)
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return False
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return True
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def process_new_domains(self):
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"""处理新域名"""
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routes = self.get_all_routes()
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new_domains = set()
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# 从路由中提取所有域名
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for route in routes:
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route_value = route.get('value', {})
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# 跳过禁用的路由（status=0 表示禁用）
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if route_value.get('status') == 0:
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continue
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domains = self.extract_domains_from_route(route)
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new_domains.update(domains)
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# 处理需要申请证书的域名
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for domain in new_domains:
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if self.should_request_cert(domain):
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logger.info(f"发现新域名，准备申请证书: {domain}")
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try:
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if self.ssl_manager.request_certificate(domain):
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logger.info(f"证书申请成功: {domain}")
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self.processed_domains.add(domain)
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self._save_processed_domains()
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else:
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logger.error(f"证书申请失败: {domain}")
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except Exception as e:
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logger.error(f"处理域名异常 {domain}: {e}")
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def run(self, interval: int = 60):
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"""运行监听服务"""
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logger.info(f"路由监听服务启动，检查间隔: {interval} 秒")
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while True:
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try:
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self.process_new_domains()
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time.sleep(interval)
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except KeyboardInterrupt:
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logger.info("收到停止信号，退出服务")
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break
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except Exception as e:
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logger.error(f"监听服务异常: {e}")
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time.sleep(interval)
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def main():
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"""主函数"""
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import argparse
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parser = argparse.ArgumentParser(description='APISIX 路由监听服务')
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parser.add_argument('--interval', '-i', type=int, default=60,
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help='检查间隔（秒），默认 60')
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parser.add_argument('--config', '-c', help='配置文件路径（可选，用于覆盖默认配置）')
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parser.add_argument('--once', action='store_true',
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help='只执行一次，不持续监听')
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args = parser.parse_args()
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watcher = RouteWatcher(args.config)
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if args.once:
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watcher.process_new_domains()
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else:
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watcher.run(args.interval)
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if __name__ == '__main__':
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main()
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