icinga2-checks/checker/snmp.py

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2023-11-26 23:15:27 -07:00
import pysnmp
from pysnmp.hlapi import *
def get_snmp_value(oid, ip, community):
errorIndication, errorStatus, errorIndex, varBinds = next(
getCmd(SnmpEngine(),
CommunityData(community),
UdpTransportTarget((ip, 161)),
ContextData(),
ObjectType(ObjectIdentity(oid)))
)
if errorIndication:
print(errorIndication)
raise
elif errorStatus:
print('%s at %s' % (errorStatus.prettyPrint(), errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
raise
else:
if isinstance(varBinds[0][1], pysnmp.proto.rfc1905.NoSuchObject):
return None
value = varBinds[0][1]
if isinstance(value, pysnmp.proto.rfc1902.Integer):
return int(value)