def uncfgCmdGen(self):
for authData, paramsName in self.__knownAuths.items():
if isinstance(authData, CommunityData):
config.delV1System(
self.snmpEngine,
authData.securityName
)
config.delTargetParams(
self.snmpEngine, paramsName
)
elif isinstance(authData, UsmUserData):
config.delV3User(
self.snmpEngine, authData.securityName
)
config.delTargetParams(
self.snmpEngine, paramsName
)
else:
raise error.PySnmpError('Unsupported SNMP version')
self.__knownAuths.clear()
for transportDomain, transport in self.__knownTransports.items():
config.delSocketTransport(
self.snmpEngine, transportDomain
)
transport.closeTransport()
self.__knownTransports.clear()
for addrName in self.__knownTransportAddrs.values():
config.delTargetAddr(
self.snmpEngine, addrName
)
self.__knownTransportAddrs.clear()
def _delete_snmp_config(self, ctxt, snmp_config):
LOG.info("Delete snmp config:%s" % snmp_config)
version_int = self._get_snmp_version_int(ctxt,
snmp_config.get("version"))
if version_int == constants.SNMP_V3_INT:
username = snmp_config.get('username')
engine_id = snmp_config.get('engine_id')
config.delV3User(self.snmp_engine, userName=username,
securityEngineId=v2c.OctetString(
hexValue=engine_id))
else:
storage_id = snmp_config.get('storage_id')
community_index = self._get_community_index(storage_id)
config.delV1System(self.snmp_engine, community_index)
def _delete_snmp_config(self, ctxt, snmp_config):
LOG.info("Start to remove snmp trap config.")
version_int = self._get_snmp_version_int(ctxt,
snmp_config.get("version"))
if version_int == constants.SNMP_V3_INT:
username = snmp_config.get('username')
engine_id = snmp_config.get('engine_id')
if engine_id:
engine_id = v2c.OctetString(hexValue=engine_id)
try:
config.delV3User(self.snmp_engine, userName=username,
securityEngineId=engine_id)
except Exception as e:
msg = six.text_type(e)
LOG.warning("Snmp trap configuration to be "
"deleted could not be found. Reason: %s", msg)
else:
storage_id = snmp_config.get('storage_id')
community_index = self._get_community_index(storage_id)
config.delV1System(self.snmp_engine, community_index)
def unconfigure(self, snmpEngine, authData=None):
cache = self._getCache(snmpEngine)
if authData:
if isinstance(authData, CommunityData):
authDataKey = authData.communityIndex
elif isinstance(authData, UsmUserData):
authDataKey = authData.userName, authData.securityEngineId
else:
raise error.PySnmpError('Unsupported authentication object')
if authDataKey in cache['auth']:
authDataKeys = (authDataKey,)
else:
raise error.PySnmpError('Unknown authData %s' % (authData,))
else:
authDataKeys = list(cache['auth'].keys())
addrNames, paramsNames = set(), set()
for authDataKey in authDataKeys:
authDataX = cache['auth'][authDataKey]
del cache['auth'][authDataKey]
if isinstance(authDataX, CommunityData):
config.delV1System(
snmpEngine,
authDataX.communityIndex
)
elif isinstance(authDataX, UsmUserData):
config.delV3User(
snmpEngine,
authDataX.userName,
authDataX.securityEngineId
)
else:
raise error.PySnmpError('Unsupported authentication object')
paramsKey = (authDataX.securityName,
authDataX.securityLevel,
authDataX.mpModel)
if paramsKey in cache['parm']:
paramsName, useCount = cache['parm'][paramsKey]
useCount -= 1
if useCount:
cache['parm'][paramsKey] = paramsName, useCount
else:
del cache['parm'][paramsKey]
config.delTargetParams(
snmpEngine, paramsName
)
paramsNames.add(paramsName)
else:
raise error.PySnmpError('Unknown target %s' % (paramsKey,))
addrKeys = [x for x in cache['addr'] if x[0] == paramsName]
for addrKey in addrKeys:
addrName, useCount = cache['addr'][addrKey]
useCount -= 1
if useCount:
cache['addr'][addrKey] = addrName, useCount
else:
config.delTargetAddr(snmpEngine, addrName)
addrNames.add(addrKey)
if addrKey[1] in cache['tran']:
transport, useCount = cache['tran'][addrKey[1]]
if useCount > 1:
useCount -= 1
cache['tran'][addrKey[1]] = transport, useCount
else:
config.delTransport(snmpEngine, addrKey[1])
transport.closeTransport()
del cache['tran'][addrKey[1]]
return addrNames, paramsNames
def uncfgCmdGen(self, authData=None):
if authData:
if isinstance(authData, CommunityData):
authDataKey = authData.communityIndex
elif isinstance(authData, UsmUserData):
authDataKey = authData.userName, authData.securityEngineId
else:
raise error.PySnmpError('Unsupported authentication object')
if authDataKey in self.__knownAuths:
authDataKeys = (authDataKey, )
else:
raise error.PySnmpError('Unknown authData %s' % (authData, ))
else:
authDataKeys = list(self.__knownAuths.keys())
addrNames, paramsNames = set(), set()
for authDataKey in authDataKeys:
authDataX = self.__knownAuths[authDataKey]
del self.__knownAuths[authDataKey]
if isinstance(authDataX, CommunityData):
config.delV1System(self.snmpEngine, authDataX.communityIndex)
elif isinstance(authDataX, UsmUserData):
config.delV3User(self.snmpEngine, authDataX.userName,
authDataX.securityEngineId)
else:
raise error.PySnmpError('Unsupported authentication object')
paramsKey = authDataX.securityName, \
authDataX.securityLevel, \
authDataX.mpModel
if paramsKey in self.__knownParams:
paramsName, useCount = self.__knownParams[paramsKey]
useCount -= 1
if useCount:
self.__knownParams[paramsKey] = paramsName, useCount
else:
del self.__knownParams[paramsKey]
config.delTargetParams(self.snmpEngine, paramsName)
paramsNames.add(paramsName)
else:
raise error.PySnmpError('Unknown target %s' % (paramsKey, ))
addrKeys = [
x for x in self.__knownTransportAddrs if x[0] == paramsName
]
for addrKey in addrKeys:
addrName, useCount = self.__knownTransportAddrs[addrKey]
useCount -= 1
if useCount:
self.__knownTransportAddrs[addrKey] = addrName, useCount
else:
config.delTargetAddr(self.snmpEngine, addrName)
addrNames.add(addrKey)
if addrKey[1] in self.__knownTransports:
transport, useCount = self.__knownTransports[
addrKey[1]]
if useCount > 1:
useCount -= 1
self.__knownTransports[
addrKey[1]] = transport, useCount
else:
config.delTransport(self.snmpEngine, addrKey[1])
transport.closeTransport()
del self.__knownTransports[addrKey[1]]
return addrNames, paramsNames
def unconfigure(self,
snmpEngine,
authData=None,
contextName=null,
**options):
cache = self._getCache(snmpEngine)
if authData:
if isinstance(authData, CommunityData):
authDataKey = authData.communityIndex
elif isinstance(authData, UsmUserData):
authDataKey = authData.userName, authData.securityEngineId
else:
raise error.PySnmpError('Unsupported authentication object')
if authDataKey in cache['auth']:
authDataKeys = (authDataKey, )
else:
raise error.PySnmpError('Unknown authData %s' % (authData, ))
else:
authDataKeys = list(cache['auth'].keys())
addrNames, paramsNames = set(), set()
for authDataKey in authDataKeys:
authDataX = cache['auth'][authDataKey]
del cache['auth'][authDataKey]
if isinstance(authDataX, CommunityData):
config.delV1System(snmpEngine, authDataX.communityIndex)
elif isinstance(authDataX, UsmUserData):
config.delV3User(snmpEngine, authDataX.userName,
authDataX.securityEngineId)
else:
raise error.PySnmpError('Unsupported authentication object')
paramsKey = (authDataX.securityName, authDataX.securityLevel,
authDataX.mpModel)
if paramsKey in cache['parm']:
paramsName, useCount = cache['parm'][paramsKey]
useCount -= 1
if useCount:
cache['parm'][paramsKey] = paramsName, useCount
else:
del cache['parm'][paramsKey]
config.delTargetParams(snmpEngine, paramsName)
paramsNames.add(paramsName)
else:
raise error.PySnmpError('Unknown target %s' % (paramsKey, ))
addrKeys = [x for x in cache['addr'] if x[0] == paramsName]
for addrKey in addrKeys:
addrName, useCount = cache['addr'][addrKey]
useCount -= 1
if useCount:
cache['addr'][addrKey] = addrName, useCount
else:
config.delTargetAddr(snmpEngine, addrName)
del cache['addr'][addrKey]
addrNames.add(addrKey)
if addrKey[1] in cache['tran']:
transport, useCount = cache['tran'][addrKey[1]]
if useCount > 1:
useCount -= 1
cache['tran'][addrKey[1]] = transport, useCount
else:
config.delTransport(snmpEngine, addrKey[1])
transport.closeTransport()
del cache['tran'][addrKey[1]]
return addrNames, paramsNames
def delV3User(self, securityName, contextEngineId=None):
config.delV3User(self.snmpEngine, securityName, contextEngineId)
return
def uncfgCmdGen(self, authData=None):
if authData:
if isinstance(authData, CommunityData):
authDataKey = authData.communityIndex
elif isinstance(authData, UsmUserData):
authDataKey = authData.userName, authData.securityEngineId
else:
raise error.PySnmpError('Unsupported authentication object')
if authDataKey in self.__knownAuths:
authDataKeys = ( authDataKey, )
else:
raise error.PySnmpError('Unknown authData %s' % (authData,))
else:
authDataKeys = list(self.__knownAuths.keys())
addrNames, paramsNames = set(), set()
for authDataKey in authDataKeys:
authDataX = self.__knownAuths[authDataKey]
del self.__knownAuths[authDataKey]
if isinstance(authDataX, CommunityData):
config.delV1System(
self.snmpEngine,
authDataX.communityIndex
)
elif isinstance(authDataX, UsmUserData):
config.delV3User(
self.snmpEngine,
authDataX.userName,
authDataX.securityEngineId
)
else:
raise error.PySnmpError('Unsupported authentication object')
paramsKey = authDataX.securityName, \
authDataX.securityLevel, \
authDataX.mpModel
if paramsKey in self.__knownParams:
paramsName, useCount = self.__knownParams[paramsKey]
useCount -= 1
if useCount:
self.__knownParams[paramsKey] = paramsName, useCount
else:
del self.__knownParams[paramsKey]
config.delTargetParams(
self.snmpEngine, paramsName
)
paramsNames.add(paramsName)
else:
raise error.PySnmpError('Unknown target %s' % (paramsKey,))
addrKeys = [ x for x in self.__knownTransportAddrs if x[0] == paramsName ]
for addrKey in addrKeys:
addrName, useCount = self.__knownTransportAddrs[addrKey]
useCount -= 1
if useCount:
self.__knownTransportAddrs[addrKey] = addrName, useCount
else:
config.delTargetAddr(self.snmpEngine, addrName)
addrNames.add(addrKey)
if addrKey[1] in self.__knownTransports:
transport, useCount = self.__knownTransports[addrKey[1]]
if useCount > 1:
useCount -= 1
self.__knownTransports[addrKey[1]] = transport, useCount
else:
config.delTransport(self.snmpEngine, addrKey[1])
transport.closeTransport()
del self.__knownTransports[addrKey[1]]
return addrNames, paramsNames
def delV3User(self, securityName, contextEngineId=None):
config.delV3User(self.snmpEngine, securityName, contextEngineId)
return
