# *********************************snmp使用******************************************** # coding=utf-8 """ filename:snmp_test.py 说明： 使用系统的 snmpwalk 来查询设备信息，需要先安装 snmp 代码 Windows 和 Linux 通用 Windows cmd 调用示例：snmpwalk -v 2c -c public 127.0.0.1 1.3.6.1.2.1.1.1 Windows cmd 下查看某主机（192.168.132.130）信息示例： snmpwalk -v 2c -c public 192.168.132.130 1.3.6.1.2.1.1.1 """ # import re # import os # import time # import platform # # if 'Windows' == platform.system(): # hosts = ['localhost'] # else: # # 在虚拟机运行时则查看本地 # hosts = ['127.0.0.1'] # # def snmpWalk(host, oid): # result = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid).read().split(' ')[:-1] # return result # # # ------------------------------------------------------------ # # 获取负载信息 # # ------------------------------------------------------------ # # # def getSystem(host): # system = ':'.join(snmpWalk(host, 'system')[0].split(':')[3:]).strip() # return system # # # ------------------------------------------------------------ # # # ------------------------------------------------------------ # # 获取负载信息 # # ------------------------------------------------------------ # # # def getLoad(host, loid): # """系统负载""" # load_oids = '1.3.6.1.4.1.2021.10.1.3.' + str(loid) # return snmpWalk(host, load_oids)[0].split(':')[3] # # # def getLoads(host): # load1 = getLoad(host, 1) # load10 = getLoad(host, 2) # load15 = getLoad(host, 3) # return load1, load10, load15 # # # ------------------------------------------------------------ # # # ------------------------------------------------------------ # # 获取网卡流量 # # ------------------------------------------------------------ # # # def getNetworkDevices(host): # """获取网络设备信息""" # device_mib = snmpWalk(host, 'RFC1213-MIB::ifDescr') # device_list = [] # for item in device_mib: # device_list.append(item.split(':')[3].strip()) # return device_list # # # def getNetworkData(host, oid): # """获取网络流量""" # data_mib = snmpWalk(host, oid) # data = [] # for item in data_mib: # byte = float(item.split(':')[3].strip()) # data.append(str(round(byte / 1024, 2)) + ' KB') # return data # # # def getNetworkInfo(host): # device_list = getNetworkDevices(host) # # 流入流量 # inside = getNetworkData(host, 'IF-MIB::ifInOctets') # # 流出流量 # outside = getNetworkData(host, 'IF-MIB::ifOutOctets') # return device_list, inside, outside # # # ------------------------------------------------------------ # # # # ------------------------------------------------------------ # # 内存使用率 # # ------------------------------------------------------------ # # def getSwapTotal(host): # swap_total = snmpWalk(host, 'UCD-SNMP-MIB::memTotalSwap.0')[0].split(' ')[3] # return swap_total # # # def getSwapUsed(host): # swap_avail = snmpWalk(host, 'UCD-SNMP-MIB::memAvailSwap.0')[0].split(' ')[3] # swap_total = getSwapTotal(host) # swap_used = str(round(((float(swap_total) - float(swap_avail)) / float(swap_total)) * 100, 2)) + '%' # return swap_used # # # def getMemTotal(host): # mem_total = snmpWalk(host, 'UCD-SNMP-MIB::memTotalReal.0')[0].split(' ')[3] # return mem_total # # # def getMemUsed(host): # mem_total = getMemTotal(host) # mem_avail = snmpWalk(host, 'UCD-SNMP-MIB::memAvailReal.0')[0].split(' ')[3] # mem_used = str(round(((float(mem_total) - float(mem_avail)) / float(mem_total)) * 100, 2)) + '%' # return mem_used # # # def getMemInfo(host): # mem_used = getMemUsed(host) # swap_used = getSwapUsed(host) # return mem_used, swap_used # # # ------------------------------------------------------------ # # def main(): # for host in hosts: # # print('=' * 10 + host + '=' * 10) # start = time.time() # print("系统信息") # system = getSystem(host) # print(system) # # print("系统负载") # load1, load10, load15 = getLoads(host) # print('load(5min): %s ,load(10min): %s ,load(15min): %s' % (load1, load10, load15)) # # print("网卡流量") # device_list, inside, outside = getNetworkInfo(host) # for i, item in enumerate(device_list): # print('%s : RX: %-15s TX: %s ' % (device_list[i], inside[i], outside[i])) # # mem_used, swap_used = getMemInfo(host) # print("内存使用率") # print('Mem_Used = %-15s Swap_Used = %-15s' % (mem_used, swap_used)) # # end = time.time() # print('run time:', round(end - start, 2), 's') # # if __name__ == '__main__': # main()