pysmp snmpv3

pysnmp snmpv2 글에 이어서
이번 포스팅은 snmpv3 관련 예제를 간략히 소개하려고 합니다.

pysnmp github

• https://github.com/etingof/pysnmp

Get + Set 예제

Get + Set 예제 코드

from pysnmp.hlapi import *


HOST = "20.20.20.20"
PORT = 161
USER = "LHZwj"
AUTH_KEY = "YEexkuDIkI304"
AUTH_PROTO = usmHMACMD5AuthProtocol


engine = SnmpEngine()
host = UdpTransportTarget((HOST, PORT))
user_data = UsmUserData(USER, AUTH_KEY, authProtocol=AUTH_PROTO)


cmd_list = [
        (getCmd, ObjectType(ObjectIdentity('1.3.6.1.2.1.1.5.0'))),
        (setCmd, ObjectType(ObjectIdentity('1.3.6.1.2.1.1.5.0'), "SET_HOST_NAME_1")),
        (getCmd, ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysName', 0))),
        (setCmd, ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysName', 0), "SET_HOST_NAME_2")),
        (getCmd, ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysName', 0)))
]



for cmd_func, identity_obj in cmd_list:
    iterator = cmd_func(engine, user_data, host, ContextData(), identity_obj)
    errorIndication, errorStatus, errorIndex, varBinds = next(iterator)
    if errorIndication:  # SNMP engine errors
        print(errorIndication)
    else:
        if errorStatus:  # SNMP agent errors
            print('%s at %s' % (errorStatus.prettyPrint(),
                  varBinds[int(errorIndex)-1] if errorIndex else '?'))
        else:
            for varBind in varBinds:  # SNMP response contents
                print("[{}]  ".format(cmd_func.__name__)  +\
                      ' = '.join([x.prettyPrint() for x in varBind]))

출력

[getCmd]  SNMPv2-MIB::sysName.0 = V8102_02
[setCmd]  SNMPv2-MIB::sysName.0 = SET_HOST_NAME_1
[getCmd]  SNMPv2-MIB::sysName.0 = SET_HOST_NAME_1
[setCmd]  SNMPv2-MIB::sysName.0 = SET_HOST_NAME_2
[getCmd]  SNMPv2-MIB::sysName.0 = SET_HOST_NAME_2