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【逗老师带你学IT】PRTG监控系统通过企业微信推送告警消息

时间:2020-11-17 11:59:23      阅读:21      评论:0      收藏:0      [点我收藏+]

标签:介绍   设置   避免   comment   通知   插入图片   http post   状态   tags   

本文主要介绍如何让PRTG网络监控系统通过企业微信webhook接口发送告警信息

技术图片
效果就是这样子的↑


PRTG简介

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https://www.cn.paessler.com/
产品主页


企业微信简介

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https://work.weixin.qq.com/
产品主页


实现原理

1、PRTG监控系统可以自定义告警通知方式,例如调用本地bat脚本或者python脚本。
2、企业微信支持通过webhook接口接收信息。

部署方式

一、企业微信端操作

拉上相关人员建个群,创建一个小机器人。

最重要的是记录下webhook的接口地址
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200308154834496.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l0bHpxMDIyOA==,size_16,color_FFFFFF,t_70 =400x)
心情好的话,还可以给小机器人改个头像。

二、PRTG端操作

1、写Python

很简单的一段Python代码,不懂的拿去直接用就好。
PRTG安装完成之后,会自动安装python2.7。也可以自行安装python3.8。本案例需要

pip install urllib
pip install requests
pip install json

看CSDN的都是有python基础的同学哈,直接上python代码

import json
import urllib
import requests
import sys
import datetime

def wechatwork_robot():
    now_time = datetime.datetime.now().strftime(‘%Y-%m-%d %H:%M:%S‘)
    paramsList =[ "", "探针设备:","设备群组:","节点:", "传感器名称:" , "现在状态:","停机时间:","附加消息:","参数8:","参数9:" ]
    #这里定义需要在告警中显示的字段标题,顺序与PRTG传参进来的参数顺序保持一致
    content = ""
    headers = {"Content-Type": "text/plain"}
    for i in range(len(sys.argv)):
        if i>0:
            content = content +"<font color=\"comment\">"+paramsList[i]+"</font>"+sys.argv[i]+"\n"
    #循环将传入的参数与参数名称标题合并成一个字符串
    data = {
        "msgtype": "markdown",
        "markdown": {
        "content": "**<font color=\"info\">【PTRG微信小机器人】</font>**\n**通知时间:"+ now_time +"**\n"+ content,
        }
    }
    r = requests.post(url=‘https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=693a91f6-7xxx-4bc4-97a0-0ec2sifa5aaa‘,headers=headers, json=data)
    #这里的URL字段粘上前面小机器人的真实webhook接口地址
    print(r.text)

wechatwork_robot()

2、写个BAT脚本调用这个Python

PRTG直接调用python使用内置的python2.7的解释器,由于这个程序是基于python 3.7调用的,因此需要通过bat脚本调用python3.7

@echo off
"C:\Users\Administrator\AppData\Local\Programs\Python\Python37\python.exe" "C:\Program Files (x86)\PRTG Network Monitor\Notifications\EXE\wechat_webhook.py" %1 %2 %3 %4 %5 %6 %7 %8 %9

然后,把刚才写好的python和bat脚本,通通丢到

C:\Program Files (x86)\PRTG Network Monitor\Notifications\EXE\

目录下

2、配置PRTG通知模板

登录PRTG,进入设置->账户设置->通知模板
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点亮“执行程序”,程序文件选择刚刚我们写好的bat脚本
参数栏,根据刚才python脚本中规定的顺序,按照你的喜好填写需要在告警通知中显示的字段。

paramsList =[ "", "探针设备:","设备群组:","节点:", "传感器名称:" , "现在状态:","停机时间:","附加消息:","参数8:","参数9:" ]

技术图片
PRTG在通知告警的时候,会有三种类型的告警,分别是:
传感器出现停机时立即发送的,停机通知
传感器保持停机状态时,按照用户定义每隔几分钟发送的,重复通知
传感器恢复正常状态时发送的,恢复通知
针对这三种通知的通知模板,我定义的是不太一样的,具体如下:

停机通知
"%probe" "%group" "%device" "%name" "%status" "%lastdown" "%message"
重复通知
"【停机未恢复】%probe" "%group" "%device" "%name" "%status" "%lastdown" "%message"
恢复通知
"%probe" "%group" "%device" "%name" "%status" "%down" "%message"

收到的消息类型也是略有不同
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200308163527988.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l0bHpxMDIyOA==,size_16,color_FFFFFF,t_70 =300x)
![在这里插入图片描述](https://img-blog.csdnimg.cn/2020030822214345.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l0bHpxMDIyOA==,size_16,color_FFFFFF,t_70 =450x)

PRTG可以传递的参数非常丰富,具体包含以下可用参数

Placeholder Contains Synonym Version/Usage Comment
%colorofstate Color of the current object status (HTML hex code) Might not work in older versions
%company Paessler‘s copyright string
%comments Comments entered for the sensor %commentssensor As of PRTG 15.4.21: resolved placeholders contain the heading Sensor Comments
%commentssensor Comments entered for the sensor %comments As of PRTG 15.4.21: resolved placeholders contain the heading Sensor Comments
%commentsdevice Comments entered for the parent device As of PRTG 15.4.21: resolved placeholders contain the heading Device Comments
%commentsgroup Comments entered for the parent group As of PRTG 15.4.21: resolved placeholders contain the heading Group Comments
%commentsprobe Comments entered for the parent probe Available as of PRTG 12.4;as of PRTG 15.4.21: resolved placeholders contain the heading Probe Comments
%coverage Covered time span Might not work in older versions
%cumsince Since when data has been accumulated
%date Event‘s date, in user‘s timezone
%datetime Event‘s date and time, in user‘s timezone
%device Name of the device in which the event was triggered %server
%deviceid ID number of the device in which the event was triggered As of PRTG 7.3.2
%down Time the item was down
%downtime Accumulated downtime
%group Group in which the event was triggered
%groupid ID number of the group in which the event was triggered As of PRTG 7.3.2
%history History of sensor events
%home PRTG web server URL
%host IP or DNS name of the device that triggered the event Can be used as Agent IP in SNMP Trap notifications sent by PRTG (as of PRTG 13.x.7)
%iconofstate Filename incl. extension of the icon for the current object status Might not work in older versions
%lastcheck When was the sensor‘s last scan
%lastdown When was the sensor down for the last time
%lastmessage What message did the sensor send the last time %message
%lastup When was the sensor up for the last time
%lastvalue What value did the sensor send the last time
%linkprobe URL of the probe that triggered the event Might not work in older versions
%linkgroup URL of the group that triggered the event Might not work in older versions
%linkdevice URL of the device that triggered the event Might not work in older versions
%linksensor the URL of the sensor that triggered the event Might not work in older versions
%location Location of the device/server for which the event was triggered
%message Which message did the sensor send the last time %lastmessage
%name Name of the sensor that triggered the event (including sensor type) %sensor
%nodename Name of the node if in a cluster Might not work in older versions
%objecttags All tags of a sensor Available as of PRTG 20.1.56
%parenttags All tags of a sensor‘s parent objects Available as of PRTG 20.1.56
%prio Sensor priority setting %priority
%priority Sensor priority setting %prio
%probe Probe under which the event was triggered
%probeid ID number of the probe under which the event was triggered As of PRTG 7.3.2
%programname PRTG official name
%programversion PRTG program version
%sensor Name of the sensor that triggered the event (including sensor type) %name
%sensorid ID number of the sensor that triggered the event As of PRTG 7.3.2
%server Name of the device under which the event was triggered %device
%serviceurl Service URL configured for the device under which the event was triggered As of PRTG 9.1
%settings Miscellaneous sensor settings, such as username for Windows, http, pop3 credentials, etc
%shortname Name of the sensor that triggered the event As of PRTG 7.1
%since Since when the current status is active %statesince
%sitename PRTG web server (computer) name
%statesince Since when the current status is active %since
%status Old sensor status and current sensor status
%summarycount Returns the number of events triggered during the defined time span For summarized notifications only
%syslogerrors Max. last 20 syslog entries before the notification trigger As of PRTG 14.x.10;works with Syslog Receiver sensors; can be used in the "message" part of Send Email notifications only!
%syslogmessages Max. last 20 syslog entries before the notification trigger As of PRTG 14.x.12;works with Syslog Receiver sensors; can be used in the "message" part of Send Email notifications only!
%syslogwarnings Max. last 20 syslog entries before the notification trigger As of PRTG 14.x.10;works with Syslog Receiver sensors; can be used in the "message" part of Send Email notifications only!
%systemdatetime Date and time when the notification was sent, in user‘s timezone
%tags All tags of a sensor and its parent objects Available as of PRTG 20.1.56
%time Event‘s time, in user‘s timezone
%timezone User‘s timezone name
%toaddress Address to which the notification was sent
%traperrors Max. last 20 trap entries before the notification trigger As of PRTG 14.x.10;Works with SNMP Trap Receiver sensors; can be used in the "message" part of Send Email notifications only!
%trapmessages Max. last 20 trap entries before the notification trigger As of PRTG 14.x.12;works with SNMP Trap Receiver sensors; can be used in the "message" part of Send Email notifications only!
%trapwarnings Max. last 20 trap entries before the notification trigger As of PRTG 14.x.10;works with SNMP Trap Receiver sensors; can be used in the "message" part of Send Email notifications only!
%uptime Accumulated uptime

最后,我们需要对需要告警的设备配置通知触发器,可以直接在“root节点”设置通知触发器,然后所有子节点会继承该设置。
技术图片

搞定!


最后,简单介绍一下企业微信的webhook接口(选读)

如何使用群机器人
在终端某个群组添加机器人之后,可以获取到webhook地址,然后开发者用户按以下说明构造post data向这个地址发起HTTP POST 请求,即可实现给该群组发送消息。下面举个简单的例子.

特别特别要注意:一定要保护好机器人的webhook地址,避免泄漏!不要分享到github、博客等可被公开查阅的地方,否则坏人就可以用你的机器人来发垃圾消息了。

以下是用curl工具往群组推送文本消息的示例(注意要将url替换成你的机器人webhook地址,content必须是utf8编码):

curl ‘https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=693axxx6-7aoc-4bc4-97a0-0ec2sifa5aaa‘    -H ‘Content-Type: application/json‘    -d ‘
   {
        "msgtype": "text",
        "text": {
            "content": "hello world"
        }
   }‘

消息类型及数据格式

文本类型

{
    "msgtype": "text",
    "text": {
        "content": "广州今日天气:29度,大部分多云,降雨概率:60%",
        "mentioned_list":["wangqing","@all"],
        "mentioned_mobile_list":["13800001111","@all"]
    }
}
参数 是否必填 说明
msgtype 消息类型,此时固定为text
content 文本内容,最长不超过2048个字节,必须是utf8编码
mentioned_list userid的列表,提醒群中的指定成员(@某个成员),@all表示提醒所有人,如果开发者获取不到userid,可以使用mentioned_mobile_list
mentioned_mobile_list 手机号列表,提醒手机号对应的群成员(@某个成员),@all表示提醒所有人

![在这里插入图片描述](https://img-blog.csdnimg.cn/20200308160041310.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l0bHpxMDIyOA==,size_16,color_FFFFFF,t_70 =300x )
markdown类型

{
    "msgtype": "markdown",
    "markdown": {
        "content": "实时新增用户反馈<font color=\"warning\">132例</font>,请相关同事注意。\n
         >类型:<font color=\"comment\">用户反馈</font>
         >普通用户反馈:<font color=\"comment\">117例</font>
         >VIP用户反馈:<font color=\"comment\">15例</font>"
    }
}

![在这里插入图片描述](https://img-blog.csdnimg.cn/20200308160227332.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l0bHpxMDIyOA==,size_16,color_FFFFFF,t_70 =300x)
更多详细的介绍,下面是企业微信官方API接口文档
https://work.weixin.qq.com/api/doc/90000/90136/91770

【逗老师带你学IT】PRTG监控系统通过企业微信推送告警消息

标签:介绍   设置   避免   comment   通知   插入图片   http post   状态   tags   

原文地址:https://blog.51cto.com/1737585/2549126

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