python调用zabbix api 获取主机cpu、mem、disk

1.代码

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

import requests
import json

class Zabbix:

    def __init__(self, username=None, password=None):
        self.headers = {
            'Content-Type': 'application/json-rpc'
        }
        self.url = 'https://www.xxx.com/zabbix/api_jsonrpc.php' #替换为具体的zabbix地址
        if username and password:
            self.username = username
            self.password = password
        else:
            self.username = 'Admin'
            self.password = 'admin'

    def _token(self): #获取token
        data = {
            "jsonrpc": "2.0",
            "method": "user.login",
            "params": {
                "user": self.username,
                "password": self.password
            },
            "id": 1,
            "auth": None
        }
        r = requests.post(url=self.url, headers=self.headers, data=json.dumps(data))
        token = json.loads(r.content).get("result")
        return token

    def all_hostid(self): #获取所有主机的hostid
        data = {
            "jsonrpc": "2.0",
            "method": "host.get",
            "params": {
                "output": [
                    "hostid",
                    "host",
                ],
                "selectInterfaces": [
                    "interfaceid",
                    "ip"
                ]
            },
            "id": 2,
            "auth": self._token()
        }
        r = requests.post(url=self.url, headers=self.headers, data=json.dumps(data))
        hosts = json.loads(r.content)
        for i in hosts['result']:
            yield i

    def get_hostid_by_ip(self, ip=None): #通过ip地址获取主机的hostid
        hostid = ""
        if ip is None:
            print("ip address is None")
            return hostid
        for i in self.all_hostid():
            if i["interfaces"][0]["ip"] == ip:
                hostid = i['hostid']
                break
        return hostid

    def get_item_data(self, ip=None, item=None): #获取item 最新数据，item自定义
        hostid = self.get_hostid_by_ip(ip)
        data = {
            "jsonrpc": "2.0",
            "method": "item.get",
            "params": {
                "output": "extend",
                "hostids": hostid,
                "search": {
                    "key_": item
                }
            },
            "id": 0,
            "auth": self._token()
        }
        r = requests.post(url=self.url, headers=self.headers, data=json.dumps(data))
        res = json.loads(r.content)
        return res["result"][0]["lastvalue"]

    def get_mem_total(self, ip): #获取内存总数
        return str(int(int(self.get_item_data(ip, 'vm.memory.size[total]')) / 1024**3)) + 'G'

    def get_disk(self, ip):  #获取系统磁盘大小
        return str(int(int(self.get_item_data(ip, 'vfs.fs.size[/,total]')) / 1000**3)) + 'G'

    def get_cpu_num(self, ip): #获取cpu核数
        return self.get_item_data(ip, 'system.cpu.num')

if __name__ == "__main__":
    zabbix = Zabbix()
    ip = "10.19.1.101"
    print(zabbix.get_disk(ip))
    print(zabbix.get_mem_total(ip))
    print(zabbix.get_cpu_num(ip)) 

获取zabbix其他的监控数据，可以通过get_item_data() 方法，传入不同的item，如：system.cpu.util[,idle]，vm.memory.size[available]等等

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