1.monitor.py
#!/usr/bin/python
# -*- coding:UTF-8 -*-
from __future__ import unicode_literals
import os
import socket
from datetime import datetime
import jinja2
import yagmail
import psutil
EMAIL_USER = '123123@qq.com'
EMAIL_PASSWORD = '123321'
RECIPIENTS = ['123123@qq.com']
def render(tpl_path,**kwargs):
path,filename = os.path.split(tpl_path)
return jinja2.Environment(loader=jinja2.FileSystemLoader(path or './')).get_template(filename).render(**kwargs)
def bytes2human(n):
symbols = ('K','M','G','T','P','E','Z','Y')
prefix = {}
for i,s in enumerate(symbols):
prefix[s] = 1 << (i+1) * 10
for s in reversed(symbols):
if n >= prefix[s]:
value = float(n) / prefix[s]
return '%.1f%s' % (value,s)
return '%sB' % n
def get_cpu_info():
cpu_count = psutil.cpu_count()
cpu_percent = psutil.cpu_percent(interval=1)
return dict(cpu_count=cpu_count,cpu_percent=cpu_percent)
def get_memory_info():
virtual_mem = psutil.virtual_memory()
mem_total = bytes2human(virtual_mem.total)
mem_percent = virtual_mem.percent
mem_free = bytes2human(virtual_mem.free + virtual_mem.buffers + virtual_mem.cached)
mem_used = bytes2human(virtual_mem.total * (virtual_mem.percent/100))
return dict(mem_total=mem_total,mem_percent=mem_percent,mem_free=mem_free,mem_used=mem_used)
def get_disk_info():
disk_usage = psutil.disk_usage('/')
disk_total = bytes2human(disk_usage.total)
disk_percent = disk_usage.percent
disk_free = bytes2human(disk_usage.free)
disk_used = bytes2human(disk_usage.used)
return dict(disk_total=disk_total,disk_percent=disk_percent,disk_free=disk_free,disk_used=disk_used)
def get_boot_info():
boot_time = datetime.fromtimsetamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M:%S")
return dict(boot_time=boot_time)
def collect_monitor_data():
data = {}
data.update(get_boot_info())
data.update(get_cpu_info())
data.update(get_memory_info())
data.update(get_disk_info())
return data
def main():
hostname = socket.gethostname()
data = collect_monitor_data()
data.update(dict(hostname=hostname))
content = render('monitor.html',**data)
wtih yagmail.SMTP(user=EMAIL_USER,password=EMAIL_PASSWORD,host='smtp.qq.com',port=25) as yag:
for recipient in RECIPIENTS:
yag.send(recipient,"监控信息".encode('utf-8'),content.encode('utf-8'))
if __name__ == "__main__":
main()
2.monitor.html
<html>
<head><title>监控信息</title>
<body>
<table border="1">
<tr><td>服务器名称</td><td>{{hostname}}</td></tr>
<tr><td>开机时间</td><td>{{boot_time}}</td></tr>
<tr><td>CPU个数</td><td>{{cpu_count}}</td></tr>
<tr><td>CPU利用率</td><td>{{cpu_percent}}</td></tr>
<tr><td>总内存</td><td>{{mem_total}}</td></tr>
<tr><td>内存利用率</td><td>{{mem_percent}}</td></tr>
<tr><td>已用内存</td><td>{{mem_used}}</td></tr>
<tr><td>内存剩余大小</td><td>{{mem_free}}</td></tr>
<tr><td>磁盘空间总量</td><td>{{disk_total}}</td></tr>
<tr><td>磁盘空间利用率</td><td>{{disk_percent}}</td></tr>
<tr><td>磁盘已用空间</td><td>{{disk_used}}</td></tr>
<tr><td>磁盘可用空间</td><td>{{disk_free}}</td></tr>
</table>
</body>
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