简述

通过paramiko（python ssh包）ssh连接交换机并执行状态信息命令，将结果通过正则清洗后以邮件形式推送给目标邮箱，过程中涉及包导入、SMTP协议、正则表达式、ssh协议

步骤

安装ssh包并连接交换机

pip install paramiko
github

  1.     def ssh_result(self, cmd):
  2.         t = paramiko.Transport(self.ip, self.port)
  3.         t.connect(username=self.username, password=self.password)
  4.         chan = t.open_session()
  5.         chan.settimeout(timeout=15)
  6.         chan.get_pty()
  7.         chan.invoke_shell()
  8.         time.sleep(5)
  9.         i = 1
  10.         while i < 10:
  11.             chan.send(cmd)
  12.             i += 1
  13.         time.sleep(2)
  14.         result = chan.recv(65535)
  15.         result = str(result, encoding='utf-8')
  16.         return result

清洗数据

返回列表类型

  1. class Regule:
  2.     def __init__(self, string):
  3.         self.string = string
  5.     def PwrStatus(self):
  6.         pattern = re.compile(r'PWR1.*')
  7.         listP = pattern.findall(self.string)[0][:-2].split()  # split以空格分词
  8.         return listP
  10.     def FanStatus(self):
  11.         pattern = re.compile(r'FAN1.*')
  12.         listF = pattern.findall(self.string)[0][:-2].split()
  13.         return listF
  15.     def SwitchStatus(self):
  16.         pattern = re.compile(r'-.*S5730.*')
  17.         listS = pattern.findall(self.string)[1][:-2].split()
  18.         return listS
  20.     def Temperature(self):
  21.         pattern = re.compile(r'NA.*[0-9]')
  22.         # listTem = pattern.findall(string)[2:][2:].split()
  23.         listTem = pattern.findall(self.string)[0][6:].split()
  24.         return listTem

邮件发送

借用QQ邮箱的邮件服务器

  1. class mail:
  2.     def __init__(self):
  3.         value = config.Mailvalue()
  4.         self.mail_user = value.mail_user
  5.         self.mail_host = value.mail_host
  6.         self.mail_pass = value.mail_pass
  8.     def sendmail(self, receivers,context):
  9.         sender = '631643983@qq.com'
  10.         # receivers = ['fralychen@gmail.com']  # 接收邮件，可设置为你的QQ邮箱或者其他邮箱
  12.         message = MIMEText(context, 'plain', 'utf-8')
  13.         message['From'] = Header("info_center", 'utf-8')
  14.         message['To'] = Header("administrator", 'utf-8')
  16.         subject = 'Switch_info'
  17.         message['Subject'] = Header(subject, 'utf-8')
  18.         try:
  19.            smtpObj = smtplib.SMTP()
  20.            smtpObj.connect(self.mail_host, 25)    # 25 为 SMTP 端口号
  21.            smtpObj.login(self.mail_user, self.mail_pass)
  22.            smtpObj.sendmail(sender, receivers, message.as_string())
  23.            print("邮件发送成功")
  24.         except smtplib.SMTPException:
  25.            print("Error: 无法发送邮件")

完整代码地址

github:https://github.com/PyMt/Mm

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