from pysnmp.entity.rfc3413.oneliner import cmdgen
class NumberStatus:
def __int__(self, host):
self.host = host
def walk(self, dswitch, commVlan, oid):
errorIndication, errorStatus, errorIndex, \
generic = cmdgen.CommandGenerator().nextCmd(cmdgen.CommunityData('my-agent', commVlan, 1),
cmdgen.UdpTransportTarget((dswitch, 161)), oid, maxRows=10000)
try:
if errorIndication or errorStatus or errorIndex:
print(errorIndication, errorStatus, errorIndex, generic)
except:
return errorIndication
return generic
# 获取出oid和接口编号的对应关系
def get_number(self):
ifnumber = self.walk(self.host, "community", (1, 3, 6, 1, 2, 1, 2, 2, 1, 2)) # 通过oid获取端口编号
inter_desc = {}
for i in ifnumber:
oid_ifnumber = ''
for j in i:
# print(j)
oid_ifnumber += str(j)
oid_ifnumber = oid_ifnumber.replace("SNMPv2-SMI::mib-2.2.2.1.2", "")
oid_ifnumber = oid_ifnumber[oid_ifnumber.find('.') + 1:]
oid_ifnumber = oid_ifnumber.split(' = ')
port = oid_ifnumber[0]
num = oid_ifnumber[1]
inter_desc[port] = num
#字典中排除非物理接口,如null0,管理口,捆绑口等
for key in list(inter_desc):
if 'GigabitEthernet' not in inter_desc[key] and 'Ten-GigabitEthernet' not in inter_desc[key]:
del inter_desc[key]
for key2 in list(inter_desc):
if 'M-GigabitEthernet' in inter_desc[key2]:
del inter_desc[key2]
return inter_desc
# print(inter_desc)
# 获取出oid和接口状态的对应关系
def get_status(self):
ifstatus = self.walk(self.host, "community", (1, 3, 6, 1, 2, 1, 2, 2, 1, 8)) # 通过oid获取端口状态
inter_status = {}
for i in ifstatus:
oid_ifstatus = ''
for j in i:
# print(j)
oid_ifstatus += str(j)
oid_ifstatus = oid_ifstatus.replace("SNMPv2-SMI::mib-2.2.2.1.8", "")
oid_ifstatus = oid_ifstatus[oid_ifstatus.find('.') + 1:]
#状态为1得修改为up,状态为2得修改为down
if '= 1' in oid_ifstatus:
oid_ifstatus = oid_ifstatus.replace(' = 1', ' = up')
if '= 2' in oid_ifstatus:
oid_ifstatus = oid_ifstatus.replace(' = 2', ' = down')
oid_ifstatus = oid_ifstatus.split(' = ')
port = oid_ifstatus[0]
state = oid_ifstatus[1]
inter_status[port] = state
return inter_status
# print(inter_status)
def num_status(self):
numstauts = {}
port_status = self.get_status() #提前获取状态信息,避免每次for循环都需要调用获取状态信息得函数,导致运行很慢
for port, number in self.get_number().items():
numstauts[number] = port_status[port]
# print(number, result.get_status()[port])
return numstauts
result = NumberStatus()
result.host = '10.0.253.1'
port_status = result.num_status()
print(port_status)
标签:status,ifstatus,python,ifnumber,oid,snmp,交换机,inter,self From: https://www.cnblogs.com/xiaomantou/p/17160628.html