Monitor linux memory using python and write it to mongodb

#pip install pymongo
#vim memory_monitory.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import psutil
import socket
import time
from pymongo import MongoClient
mongodbIp = '192.168.200.112'
mongodbPort = 27017
hostname = socket.gethostbyname(socket.gethostname())#获取本地IP地址
def getCurrentTime():
    return time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
memoryInfo = psutil.virtual_memory()
conn = MongoClient(mongodbIp,mongodbPort)
db = conn.servermonitor
dbset = db.memory
dbset.insert({
    'time':getCurrentTime(),
    'total':memoryInfo.total,
    'available':memoryInfo.available,
    'percent':memoryInfo.percent,
    'used':memoryInfo.used,
    'free':memoryInfo.free,
    'active':memoryInfo.active,
    'inactive':memoryInfo.inactive,
    'buffers':memoryInfo.buffers,
    'cached':memoryInfo.cached})

#chmod +x memory_monitor.py

#vim vim /etc/crontab

*/1 * * * * root /usr/local/memory_monitor.py
#service crond reload  //重新载入配置
#service crond restart //重启服务