Python收集主机信息

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Python收集linux主机信息，需要安装dmidecode命令，yum -y install dmidecode

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#!/usr/bin/env python # coding=utf-8    from subprocess import Popen, PIPE    #获取ifconfig命令信息 def getIfconfig():     p = Popen(['ifconfig'], stdout=PIPE)     data = p.stdout.read().decode()     return data    #获取dmidecode命令信息 def getDmi():     p = Popen(['dmidecode'], stdout=PIPE)     data = p.stdout.read().decode()     return data    #处理data数据输出为list并去掉空 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]    #处理ifconfig数据并获取eth1的IP地址 def parseIfocnfig(parsed_data):     dic = {}     parsed_data = [ i for i in parsed_data if i.startswith('eth1')]     for lines in parsed_data:         line_list = lines.split('\n')         devname = line_list[0].split()[0]         macaddr = line_list[2].split()[1]         ipaddr = line_list[1].split()[1]         break     dic['ip'] = ipaddr     return dic    #处理dmidecode数据获取信息 def paeseDmi(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']     dic['product'] = dmi_dic['Product Name']     dic['sn'] = dmi_dic['Serial Number'][:8]     return dic    #获取hostname def getHostname(f):     with open(f) as fd:         for line in fd:             if line.startswith('HOSTNAME'):                 hostname = line.split('=')[1].strip()                 break     return {'hostname': hostname}    #获取操作系统 def getOSver(f):     with open(f) as fd:         for line in fd:             osver = line.strip()             break     return {'osver': osver}    #获取CPU数 def getCpu(f):     num = 0     with open(f) as fd:         for line in fd:             if line.startswith('processor'):                 num += 1             if line.startswith('model name'):                 cpu_model = line.split(':')[1].split()                 cpu_model = cpu_model[0]+' '+ cpu_model[3]+' '+ cpu_model[-1]     return {'cpu_num': num, 'cpu_model': cpu_model}    #获取内存大小 def getMemory(f):     with open(f) as fd:         for line in fd:             if line.startswith('MemTotal'):                 mem = int(line.split()[1].strip())                 break     mem = "%s" % int((mem/1024.0))+'M'     return {'memory': mem}    def main():     dic = {}     ip = parseIfocnfig(parseData(getIfconfig()))     dmi = paeseDmi(parseData(getDmi()))     osver = getOSver('/etc/issue')     hostname = getHostname('/etc/sysconfig/network')     cpu = getCpu('/proc/cpuinfo')     memory = getMemory('/proc/meminfo') #    lines = [ip, dmi, hostname, osver, cpu, memory] #    for i in lines: #        dic.update(i)     dic.update(ip)     dic.update(dmi)     dic.update(hostname)     dic.update(osver)     dic.update(cpu)     dic.update(memory)     print(dic)    if __name__ == '__main__':     main()