收集主机信息,包括:
1、主机名:hostname
2、IP地址:ip
3、操作系统版本:osver
4、服务器厂商:vendor
5、服务器型号:product
6、服务器序列号:sn
7、cpu型号:cpu_module
8、cpu核心数量:cpu_num
9、内存大小
收集IP信息
[root@133 systeminformation]# vim sysinformation.py from subprocess import Popen,PIPE def getIfconfig(): p = Popen(['ifconfig'],stdout=PIPE) data = p.stdout.read() return data def getDmi(): p = Popen(['dmidecode'],stdout = PIPE) data = p.stdout.read() return data 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 parsed_data def parseIfconfig(parsed_data): dic = {} tuple_addr= ('lo','vir','vnet','em3','em4') parsed_data = [i for i in parsed_data if i and not i.startswith('tuple_addr')] 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'] = [devname, ipaddr, macaddr] return dic if __name__ == "__main__": data = getIfconfig() parsed_data = parseData(data) print parseIfconfig(parsed_data) [root@133 systeminformation]# python sysinformation.py {'ip': ['br1', '112.65.140.133', 'A4:BA:DB:20:93:23']}
收集System Information信息
[root@133 systeminformation]# vim sysinformation.py return data 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 parsed_data def parseIfconfig(parsed_data): dic = {} tuple_addr= ('lo','vir','vnet','em3','em4') parsed_data = [i for i in parsed_data if i and not i.startswith(tuple_addr)] 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'] = devname,ipaddr,macaddr return dic def parseDmi(parsed_data): dic = {} parsed_data = [i for i in parsed_data if i.startswith('System Information')] return parsed_data if __name__ == "__main__": data_ip = getIfconfig() parsed_data_ip = parseData(data_ip) print parseIfconfig(parsed_data_ip) data_dmi = getDmi() parsed_data_dmi = parseData(data_dmi) print parseDmi(parsed_data_dmi) [root@133 systeminformation]# python sysinformation.py #system information是一个只有一个元素的大的列表 {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} ['System Information\n\tManufacturer: Dell Inc.\n\tProduct Name: PowerEdge R710\n\tVersion: Not Specified\n\tSerial Number: 4HBDT2X\n\tUUID: 4C4C4544-0048-4210-8044-B4C04F543258\n\tWake-up Type: Power Switch\n\tSKU Number: Not Specified\n\tFamily: Not Specified\n']
[root@133 systeminformation]# vim sysinformation.py return data 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 parsed_data def parseIfconfig(parsed_data): dic = {} tuple_addr= ('lo','vir','vnet','em3','em4') parsed_data = [i for i in parsed_data if i and not i.startswith(tuple_addr)] 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'] = devname,ipaddr,macaddr return dic def parseDmi(parsed_data): dic = {} parsed_data = [i for i in parsed_data if i.startswith('System Information')] return parsed_data[0] #把大的列表转为一个字符串 if __name__ == "__main__": data_ip = getIfconfig() parsed_data_ip = parseData(data_ip) print parseIfconfig(parsed_data_ip) data_dmi = getDmi() parsed_data_dmi = parseData(data_dmi) print parseDmi(parsed_data_dmi) [root@133 systeminformation]# python sysinformation.py {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} System Information #把大的列表转为一个字符串,结果如下: Manufacturer: Dell Inc. Product Name: PowerEdge R710 Version: Not Specified Serial Number: 4HBDT2X UUID: 4C4C4544-0048-4210-8044-B4C04F543258 Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified
def parseDmi(parsed_data): dic = {} parsed_data = [i for i in parsed_data if i.startswith('System Information')] return parsed_data[0].split('\n')#使用\n作为切割符号,结果是列表,有很多元素,而不是一个元素 [root@133 systeminformation]# python sysinformation.py {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} ['System Information', '\tManufacturer: Dell Inc.', '\tProduct Name: PowerEdge R710', '\tVersion: Not Specified', '\tSerial Number: 4HBDT2X', '\tUUID: 4C4C4544-0048-4210-8044-B4C04F543258', '\tWake-up Type: Power Switch', '\tSKU Number: Not Specified', '\tFamily: Not Specified', ''] [root@133 systeminformation]# #使用[1:]丢弃列表第一个元素:'System Information' def parseDmi(parsed_data): dic = {} parsed_data = [i for i in parsed_data if i.startswith('System Information')] return parsed_data[0].split('\n')[1:] [root@133 systeminformation]# python sysinformation.py {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} ['\tManufacturer: Dell Inc.', '\tProduct Name: PowerEdge R710', '\tVersion: Not Specified', '\tSerial Number: 4HBDT2X', '\tUUID: 4C4C4544-0048-4210-8044-B4C04F543258', '\tWake-up Type: Power Switch', '\tSKU Number: Not Specified', '\tFamily: Not Specified', ''] #使用if i去掉最后一个空元素‘ ’,使用dict函数将列表元素转换为字典 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] return dict ([i.strip().split(':') for i in parsed_data]) [root@133 systeminformation]# python sysinformation.py #输出全为字典元素,key-value,然后把指定的key赋值给需要的key即可输出value {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} {'SKU Number': ' Not Specified', 'UUID': ' 4C4C4544-0048-4210-8044-B4C04F543258', 'Family': ' Not Specified', 'Serial Number': ' 4HBDT2X', 'Version': ' Not Specified', 'Product Name': ' PowerEdge R710', 'Wake-up Type': ' Power Switch', 'Manufacturer': ' Dell Inc.'} #dic ['vender'] = dmi_dic['Manufacturer'] 这是把dmi_dic字典key和value Manufacturer:Dell Inc. 赋值给字典给dic字典的 vender,其它同理,最后输出dic,即输出三个key value的字典dic内容 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'] dic ['product'] = dmi_dic['Product Name'] dic ['sn'] = dmi_dic['Serial Number'] return dic [root@133 systeminformation]# python sysinformation.py {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} {'vender': ' Dell Inc.', 'product': ' PowerEdge R710', 'sn': ' 4HBDT2X'} #发现value前面有空格,使用strip()删除空格 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 [root@133 systeminformation]# python sysinformation.py {'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23')} {'vender': 'Dell Inc.', 'product': 'PowerEdge R710', 'sn': '4HBDT2X'}
下面是收集到所有的信息,以key value的形式保存在字典中
cat sysinformation.py #!/usr/bin/env python from subprocess import Popen,PIPE def getIfconfig(): p = Popen(['ifconfig'], stdout=PIPE) data = p.stdout.read() return data def getDmi(): p = Popen(['dmidecode'], stdout = PIPE) data = p.stdout.read() return data 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 parsed_data def parseIfconfig(parsed_data): dic = {} tuple_addr= ('lo','vir','vnet','em3','em4') parsed_data = [i for i in parsed_data if i and not i.startswith(tuple_addr)] 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'] = devname,ipaddr,macaddr return dic 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 #获取主机名信息:/etc/sysconfig/network 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OS版本信息:打开文件/etc/issue def getOSver(f): with open(f) as fd: for line in fd: osver = line.strip() break return {'osver':osver} #获取cpu信息:/proc/cpuinfo 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[-1] return {'cpu_num':num, 'cpu_model':cpu_model} #获取内存信息:/proc/meminfo 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} 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('/etc/sysconfig/network') osver = getOSver('/etc/issue') cpu = getCpu('/proc/cpuinfo') mem = getMemory('/proc/meminfo') dic.update(ip) dic.update(dmi) dic.update(hostname) dic.update(cpu) dic.update(mem) dic.update(osver) print dic [root@133 systeminformation]# python sysinformation.py {'product': 'PowerEdge R710', 'osver': 'CentOS release 6.7 (Final)', 'sn': '4HBDT2X', 'memory': '19976M', 'cpu_num': 8, 'ip': ('br1', '112.65.140.133', 'A4:BA:DB:20:93:23'), 'vender': 'Dell Inc.', 'hostname': '133', 'cpu_model': 'Intel(R) 2.00GHz'}
注:
mem = "%s" % int(mem/1024.0)+'M'
%表示格式化字符串的格式符号。
%s,表示字符串
%d,表示整数的字符串
%x,表示16进制的字符串
%f,表示浮点数字符串
第二个%表示要格式化的对象。
这种方法可以进行类型转换。
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