#!usr/bin/env python

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

import socket

import psutil

class NodeResource(object):

    def get_host_info(self):

        host_name = socket.gethostname()

        return {'host_name':host_name}

    def get_cpu_state(self):

        cpu_count = psutil.cpu_count(logical=False)

        cpu_percent =(str)(psutil.cpu_percent(1))+'%'

        return {'cpu_count':cpu_count,'cpu_percent':cpu_percent}

    def get_memory_state(self):

        mem = psutil.virtual_memory()

        mem_total = mem.total / 1024 / 1024

        mem_free = mem.available /1024/1024

        mem_percent = '%s%%'%mem.percent

        return {'mem_toal':mem_total,'mem_free':mem_free,'mem_percent':mem_percent}

    def get_disk_state(self):

        disk_stat = psutil.disk_usage('/')

        disk_total = disk_stat.total

        disk_free = disk_stat.free

        disk_percent = '%s%%'%disk_stat.percent

        return {'mem_toal': disk_total, 'mem_free': disk_free, 'mem_percent': disk_percent}

#!usr/bin/env python

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

import time

import os

from multiprocessing import cpu_count

class NodeResource(object):

    def usage_percent(self,use, total):

        # 返回百分占比

        try:

            ret = int(float(use)/ total * 100)

        except ZeroDivisionError:

            raise Exception("ERROR - zero division error")

        return '%s%%'%ret

    @property

    def cpu_stat(self,interval = 1):

        cpu_num = cpu_count()

        with open("/proc/stat", "r") as f:

            line = f.readline()

            spl = line.split(" ")

            worktime_1 = sum([int(i) for i in spl[2:]])

            idletime_1 = int(spl[5])

        time.sleep(interval)

        with open("/proc/stat", "r") as f:

            line = f.readline()

            spl = line.split(" ")

            worktime_2 = sum([int(i) for i in spl[2:]])

            idletime_2 = int(spl[5])

        dworktime = (worktime_2 - worktime_1)

        didletime = (idletime_2 - idletime_1)

        cpu_percent = self.usage_percent(dworktime - didletime,didletime)

        return {'cpu_count':cpu_num,'cpu_percent':cpu_percent}

    @property

    def disk_stat(self):

        hd = {}

        disk = os.statvfs("/")

        hd['available'] = disk.f_bsize * disk.f_bfree

        hd['capacity'] = disk.f_bsize * disk.f_blocks

        hd['used'] =  hd['capacity'] - hd['available']

        hd['used_percent'] = self.usage_percent(hd['used'], hd['capacity'])

        return hd

    @property

    def memory_stat(self):

        mem = {}

        with open("/proc/meminfo") as f:

            for line in f:

                line = line.strip()

                if len(line) < 2: continue

                name = line.split(':')[0]

                var = line.split(':')[1].split()[0]

                mem[name] = long(var) * 1024.0

            mem['MemUsed'] = mem['MemTotal'] - mem['MemFree'] - mem['Buffers'] - mem['Cached']

        mem['used_percent'] = self.usage_percent(mem['MemUsed'],mem['MemTotal'])

        return {'MemUsed':mem['MemUsed'],'MemTotal':mem['MemTotal'],'used_percent':mem['used_percent']}

nr = NodeResource()

print nr.cpu_stat

print '=================='

print nr.disk_stat

print '=================='

print nr.memory_stat

from subprocess import Popen, PIPE

import os,sys

''' 获取 ifconfig 命令的输出 '''

def getIfconfig():

    p = Popen(['ifconfig'], stdout = PIPE)

    data = p.stdout.read()

    return data

''' 获取 dmidecode 命令的输出 '''

def getDmi():

    p = Popen(['dmidecode'], stdout = PIPE)

    data = p.stdout.read()

    return data

''' 根据空行分段落 返回段落列表'''

def parseData(data):

    parsed_data = []

    new_line = ''

    data = [i for i in data.split('\n') if i]

    for line in data:

        if line[0].strip():

            parsed_data.append(new_line)

            new_line = line + '\n'

        else:

            new_line += line + '\n'

    parsed_data.append(new_line)

    return [i for i in parsed_data if i]

''' 根据输入的段落数据分析出ifconfig的每个网卡ip信息 '''

def parseIfconfig(parsed_data):

    dic = {}

    parsed_data = [i for i in parsed_data if not i.startswith('lo')]

    for lines in parsed_data:

        line_list = lines.split('\n')

        devname = line_list[0].split()[0]

        macaddr = line_list[0].split()[-1]

        ipaddr  = line_list[1].split()[1].split(':')[1]

        break

    dic['ip'] = ipaddr

    return dic

''' 根据输入的dmi段落数据 分析出指定参数 '''

def parseDmi(parsed_data):

    dic = {}

    parsed_data = [i for i in parsed_data if i.startswith('System Information')]

    parsed_data = [i for i in parsed_data[0].split('\n')[1:] if i]

    dmi_dic = dict([i.strip().split(':') for i in parsed_data])

    dic['vender'] = dmi_dic['Manufacturer'].strip()

    dic['product'] = dmi_dic['Product Name'].strip()

    dic['sn'] = dmi_dic['Serial Number'].strip()

    return dic

''' 获取Linux系统主机名称 '''

def getHostname():

    with open('/etc/sysconfig/network') as fd:

        for line in fd:

            if line.startswith('HOSTNAME'):

                hostname = line.split('=')[1].strip()

                break

    return {'hostname':hostname}

''' 获取Linux系统的版本信息 '''

def getOsVersion():

    with open('/etc/issue') as fd:

        for line in fd:

            osver = line.strip()

            break

    return {'osver':osver}

''' 获取CPU的型号和CPU的核心数 '''

def getCpu():

    num = 0

    with open('/proc/cpuinfo') as fd:

        for line in fd:

            if line.startswith('processor'):

                num += 1

            if line.startswith('model name'):

                cpu_model = line.split(':')[1].strip().split()

                cpu_model = cpu_model[0] + ' ' + cpu_model[2]  + ' ' + cpu_model[-1]

    return {'cpu_num':num, 'cpu_model':cpu_model}

''' 获取Linux系统的总物理内存 '''

def getMemory():

    with open('/proc/meminfo') as fd:

        for line in fd:

            if line.startswith('MemTotal'):

                mem = int(line.split()[1].strip())

                break

    mem = '%.f' % (mem / 1024.0) + ' MB'

    return {'Memory':mem}

if __name__ == '__main__':

    dic = {}

    data_ip = getIfconfig()

    parsed_data_ip = parseData(data_ip)

    ip = parseIfconfig(parsed_data_ip)

    data_dmi = getDmi()

    parsed_data_dmi = parseData(data_dmi)

    dmi = parseDmi(parsed_data_dmi)

    hostname = getHostname()

    osver = getOsVersion()

    cpu = getCpu()

    mem = getMemory()

    dic.update(ip)

    dic.update(dmi)

    dic.update(hostname)

    dic.update(osver)

    dic.update(cpu)

    dic.update(mem)

    ''' 将获取到的所有数据信息并按简单格式对齐显示 '''

    for k,v in dic.items():

        print '%-10s:%s' % (k, v)

from subprocess import Popen, PIPE

import time

''' 获取 ifconfig 命令的输出 '''

# def getIfconfig():

#     p = Popen(['ipconfig'], stdout = PIPE)

#     data = p.stdout.read()

#     data = data.decode('cp936').encode('utf-8')

#     return data

#

# print(getIfconfig())

p = Popen(['top -n 2 -d |grep Cpu'],stdout= PIPE,shell=True)

data = p.stdout.read()

info = data.split('\n')[1]

info_list =  info.split()

cpu_percent ='%s%%'%int(float(info_list[1])+float(info_list[3]))

print cpu_percent