#coding:utf8

from email.mime.text import MIMEText

import smtplib,psutil,time,os,datetime

destination = ["18410208050@163.com"] #定义邮件接收者

source = "775465751@qq.com" #定义邮件发送者

mail_server = 'smtp.qq.com'

username = '775465751'

password = 'wrromyiywqijbdia'

def send_mail(des,title,content):

csj = MIMEText(content)

csj['Subject'] = title

csj['From'] = source

csj['To'] = ';'.join(destination)

try:

a = smtplib.SMTP_SSL(mail_server,465)

a.connect(mail_server)

a.login(username,password)

a.sendmail(source,destination,csj.as_string())

a.close()

return True

except Exception,e:

print e

return False

def hostname():

com = 'hostname'

res = os.popen(com)

content = res.read()

return content

def mem_use():

total_mem = psutil.virtual_memory().total

free_mem = psutil.virtual_memory().available

res = (psutil.virtual_memory().available/float(psutil.virtual_memory().total))*100

return res

def system(a,b):    cpu_info = []    mem_info = []    now_time = "Date %s"%datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d")    count = 1    print "Start monitoring "    while True:        time.sleep(60) #定义采集系统信息的频率，单位为秒        if count <= 10: #定义每采集十次系统信息后输出平均值            cpu_info.append(psutil.cpu_percent())            mem_info.append(mem_use())            count += 1        else:            cpu_info.pop(0)            mem_info.pop(0)            cpu_info.append(psutil.cpu_percent())            mem_info.append(mem_use())            cpu_avg = sum(cpu_info)/10            mem_avg = sum(mem_info)/10            if (cpu_avg >= a) or (mem_avg >= b):                print("---------------------------------------------------------")                print now_time                warning_cpu = ("Warning CPU Used:%.2f%%")%cpu_avg                warning_mem = ("Warning CPU Used:%.2f%%")%mem_avg                print warning_cpu                print warning_mem                send_mail(destination,"Warning Server Overload",hostname()) #发送邮件，格式为:(目的，标题，正文)            else:                print now_time                print("---------------------------------------------------------")                print("Info，CPU Used:%.2f%%")%cpu_avg                print("Info，Memory Used:%.2f%%")%mem_avgsystem(0,0) #这两个0代表设置cpu和内存的阈值，前者为CPU，后者为内存