用python实现服务器监控，通过SSH可以实现服务器状态的获取，通过socket实现应用服务端口测试应用状态。

# -*- coding: utf-8 -*-

import os
import socket
import time


pemfile = "/home/zjk/.ssh/服务器登录证书.pem"

# 服务器列表
serverList = [
    {
        "name": "01服务器",
        "server": "www.server01.com",
        "user": "root",
    },
    {
        "name": "02服务器",
        "server": "www.server02.com",
        "user": "root",
    },
]

# 应用系统列表
serviceList = [
    {
        "name": "后端服务器",
        "server": "b.server01.com",
        "port": 8540,
    },
    {
        "name": "UI",
        "server": "03.server01.com",
        "port": 8010,
    },
]


def queryServerState():
    states = {"server": [], "service": []}

    print("==================================================\033[1;31m服务器状态", '\033[0m')
    for s in serverList:
        sinfo = {}
        sinfo["name"] = s["name"]
        sinfo["server"] = s["server"]
        sinfo["type"] = "server"
        # try:
        print("-----------------------------------------------------------------------\033[1;34m" + s["server"], '\033[0m')
        out=os.popen("timeout 5s ssh -o StrictHostKeyChecking=no " + s["user"] + "@" + s["server"] + " -i " + pemfile + "  'uptime'").read().strip()
        print(out)

        sinfo["uptime"] = out

        time.sleep(0.1)

        print("--------------------------------------")
        try:
            out=os.popen("timeout 5s ssh -o StrictHostKeyChecking=no " + s["user"] + "@" + s["server"] + " -i " + pemfile + "  'df -h | grep \"/$\"'").read().strip()
            # print(out)
            a = out.split(" ")
            # print(a)
            l = ""
            for i in a:
                if i != "":
                    l = l + i + ","
            print(l)
            sinfo["df"] = l

        except Exception:
            sinfo["df"] = "ERROR"
            print("\033[1;31mERROR", '\033[0m', s["name"], s["server"], '\033[0m')

        time.sleep(0.1)

        print("--------------------------------------")
        try:
            out=os.popen("timeout 5s ssh -o StrictHostKeyChecking=no " + s["user"] + "@" + s["server"] + " -i " + pemfile + "  'free -h | sed -n \'2,2p\''").read().strip()
            # print(out)
            a = out.split(" ")
            # print(a)
            l = ""
            for i in a:
                if i != "":
                    l = l + i + ","
            print(l)
            sinfo["free"] = l

        except Exception:
            sinfo["free"] = "ERROR"
            print("\033[1;31mERROR", '\033[0m', s["name"], s["server"], '\033[0m')

        time.sleep(0.1)

        sinfo["reftime"] = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
        
        states["server"].append(sinfo)

    print("==================================================\033[1;31m应用系统状态", '\033[0m')
    for s in serviceList:
        sinfo = {}
        sinfo["name"] = s["name"]
        sinfo["server"] = s["server"]
        sinfo["type"] = "service"
        sinfo["port"] = s["port"]
        rs = ""
        try:
            sk = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
            sk.settimeout(5)
            sk.connect((s["server"],s["port"]))
            rs = "OK"
            print("\033[0;32mOK", '\033[0m', s["name"], s["server"], s["port"], '\033[0m')
        except Exception:
            rs = "NO"
            print("\033[1;31mNO", '\033[0m', s["name"], s["server"], s["port"], '\033[0m')

        sk.close()

        sinfo["state"] = rs
        sinfo["reftime"] = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())

        states["service"].append(sinfo)

        time.sleep(0.1)

    return states



if __name__ == "__main__":
    print(queryServerState())

    取得了数据就可以嵌入到应用中提取、处理、显示了。