Python监控Nginx 4、7层健康检查

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[root@acs-hk-ctos7-prod-01 scripts]# cat upstrem.py #!/usr/bin/env python # -*- coding: utf-8 -*- # @Time    : 2023/6/25 17:18 # @File    : nginx_upstram.py # @Software: PyCharm   import requests from urllib.request import urlopen import os,socket,datetime,hashlib,base64,hmac,urllib import time       def get_digest():     timestamp = str(round(time.time() * 1000))     #测试     #secret = ''     #生产     secret = ''     secret_enc = secret.encode('utf-8')  # utf-8编码     string_to_sign = '{}\n{}'.format(timestamp, secret)  # 字符串格式化拼接     string_to_sign_enc = string_to_sign.encode('utf-8')  # utf-8编码     hmac_code = hmac.new(secret_enc, string_to_sign_enc, digestmod=hashlib.sha256).digest()  # HmacSHA256算法计算签名     sign = urllib.parse.quote_plus(base64.b64encode(hmac_code))  # Base64编码后进行urlEncode     #  返回时间戳和计算好的编码拼接字符串，后面直接拼接到Webhook即可     return f"&timestamp={timestamp}&sign={sign}"   def get_system_info():     # 系统时间     dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')       # 系统公网IP     ip = requests.get('http://ifconfig.me').text.strip()       # 内网IP     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)     s.connect(('8.8.8.8', 80))     local_ip = s.getsockname()[0]     s.close()       #系统load     system_load=os.popen("uptime|awk '{print $NF,$NF-1,$NF-2}'")     load=system_load.read().strip()       host_name=socket.gethostname()     return dt, ip, local_ip,load,host_name     class Send_Dingding:     def __init__(self, title,upst,stra):         self.title = title         self.upst=upst         self.stra=stra       def send_dingnding(self):         MSG = "**告警主题**:" + "\n" + self.title + "\n\n" \         ">当前时间:" + "\n" + get_system_info()[0] + "\n\n"\         " >当前主机名:"  + "\n" + get_system_info()[4] + "\n\n" \          " >当前服务器IP:" + "\n" + get_system_info()[1] + "\n" + get_system_info()[2] +"\n\n" \          " >当前系统load:" + "\n" + str(get_system_info()[3]) + "\n\n" \         "七层异常:" + "\n" + "\n" + str(self.upst) + "\n\n"\         "四层异常:" + "\n" + "\n" + str(self.stra) + "\n\n"\             data = {             "msgtype": "markdown",             "markdown": {                 "title": self.title,                 "text": MSG,               },             "at": {                 "atMobiles": [                     "@"                 ],                 "isAtAll": False             }         }   # 测试         #webhook_url = 'https://oapi.dingtalk.com/robot/send?access_token=' # 生产         webhook_url = 'https://oapi.dingtalk.com/robot/send?access_token=' # 利用requests发送post请求         rec = requests.post(webhook_url + get_digest(), json=data)       class Get_target:     def __init__(self, url):         self.url = url       def Get_Upstream_Target(self):         upstre = requests.get(self.url)         upstre_json_str = upstre.json()         up_list=[]         for up_stre in upstre_json_str["servers"]["http"]:             if up_stre["status"] == "down":                 up_list.append([up_stre["upstream"],up_stre["name"],up_stre["status"]])                 #up_text="Upstream：{}\tstaus: {}\thost: {}".format(up_stre["upstream"], up_stre['status'],up_stre["name"])         if len(up_list) == 0:             return  "程序正常"         else:             return up_list         def Get_Stream_Target(self):         stream = requests.get(self.url)         stream_json = stream.json()         st_list=[]         for strem in stream_json['servers']["stream"]:             if strem["status"] == "down":                 st_list.append([strem["upstream"],strem["status"],strem["name"]])                 #return "stream: {}\tstatus: {} \thost: {}".format(strem["upstream"], strem["status"], strem["name"])         if len(st_list) == 0:             return  "程序正常"         else:             return st_list     if "__name__ == __main__":     res = Get_target('http:///status?format=json')     up = res.Get_Upstream_Target()     st = res.Get_Stream_Target()       if st and up != "程序正常":         send=Send_Dingding("香港集群环境",up,st)         send.send_dingnding()     else:         print("不告警")