Add parsing of snmp_traps for snmp_parsing service
Add paring of snmp traps and unittest, the tempest test will be submitted with sending trap to rabbitmq. Implements: blueprint snmp-support Change-Id: Ibb4f4294dd95bfd1a37e9291318b2775bf1fedd3 Signed-off-by: xupeipei <xu.peipei1@zte.com.cn>
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xupeipei
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@ -12,13 +12,16 @@
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# License for the specific language governing permissions and limitations
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# License for the specific language governing permissions and limitations
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# under the License.
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# under the License.
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from pyasn1.codec.ber import decoder
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from pysnmp.carrier.asyncore.dgram import udp
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from pysnmp.carrier.asyncore.dgram import udp
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from pysnmp.carrier.asyncore.dgram import udp6
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from pysnmp.carrier.asyncore.dgram import udp6
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from pysnmp.carrier.asyncore.dispatch import AsyncoreDispatcher
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from pysnmp.carrier.asyncore.dispatch import AsyncoreDispatcher
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from pysnmp.proto import api as snmp_api
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from pysnmp.proto.rfc1902 import Integer
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from oslo_log import log
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from oslo_log import log
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from oslo_service import service as os_service
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from oslo_service import service as os_service
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import sys
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LOG = log.getLogger(__name__)
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LOG = log.getLogger(__name__)
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@ -68,5 +71,36 @@ class SnmpParsingService(os_service.Service):
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# noinspection PyUnusedLocal
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# noinspection PyUnusedLocal
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def callback_func(self, transport_dispatcher, transport_domain,
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def callback_func(self, transport_dispatcher, transport_domain,
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transport_address, whole_msg):
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transport_address, whole_msg):
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# TODO(peipei): need to parse wholeMsg and send to message queue
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while whole_msg:
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pass
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msg_ver = int(snmp_api.decodeMessageVersion(whole_msg))
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if msg_ver in snmp_api.protoModules:
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p_mod = snmp_api.protoModules[msg_ver]
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else:
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LOG.error('Unsupported SNMP version %s.' % msg_ver)
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return
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req_msg, whole_msg = decoder.decode(
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whole_msg, asn1Spec=p_mod.Message(),
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)
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req_pdu = p_mod.apiMessage.getPDU(req_msg)
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if req_pdu.isSameTypeWith(p_mod.TrapPDU()):
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ver_binds = p_mod.apiTrapPDU.getVarBinds(req_pdu) \
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if msg_ver == snmp_api.protoVersion1 \
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else p_mod.apiPDU.getVarBinds(req_pdu)
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binds_dict = self._convert_binds_to_dict(ver_binds)
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LOG.debug('Received binds info after convert: %s' % binds_dict)
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# TODO(peipei): need to send to message queue
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def _convert_binds_to_dict(self, var_binds):
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binds_dict = {}
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for oid, val in var_binds:
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u_oid = self._convert_obj_to_unicode(oid)
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binds_dict[u_oid] = int(val) if type(val) == Integer \
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else self._convert_obj_to_unicode(val)
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return binds_dict
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@staticmethod
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def _convert_obj_to_unicode(val):
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if sys.version_info[0] < 3:
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return str(val).decode('iso-8859-1')
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return str(val)
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0
vitrage/tests/unit/snmp_parsing/__init__.py
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0
vitrage/tests/unit/snmp_parsing/__init__.py
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129
vitrage/tests/unit/snmp_parsing/test_snmp_parsing.py
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129
vitrage/tests/unit/snmp_parsing/test_snmp_parsing.py
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@ -0,0 +1,129 @@
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# Copyright 2017 - ZTE
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_config import cfg
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from pysnmp.proto.rfc1902 import Integer
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from pysnmp.proto.rfc1902 import ObjectIdentifier
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from pysnmp.proto.rfc1902 import ObjectName
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from pysnmp.proto.rfc1902 import OctetString
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from pysnmp.proto.rfc1902 import TimeTicks
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from vitrage.snmp_parsing.service import SnmpParsingService
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from vitrage.tests import base
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BINDS_REPORTED = [
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(ObjectName('1.3.6.1.2.1.1.3.0'), TimeTicks(1491462248)),
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(ObjectName('1.3.6.1.6.3.1.1.4.1.0'),
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ObjectIdentifier('1.3.6.1.4.1.3902.4101.1.4.1.2')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.3'),
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OctetString(hexValue='07e10406070408002b0800')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.1.2'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.1.4'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.1.3'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.11'), OctetString('3305115653')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.2'), OctetString('host')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.4'), Integer(1)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.5'), Integer(14)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.6'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.7'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.8'),
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OctetString('vimid=,hid=controller_controller,'
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'hostname=controller,'
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'Reason: nova-compute is not available')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.12'),
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OctetString('Tecs Director')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.9'), Integer(1581)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.1'),
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OctetString('3e7393db-2def-447c-8cba-77bf29ab29b4')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.14'),
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OctetString('compute is not available')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.15'),
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OctetString('vimid=,hostname=controller')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.16'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.17'),
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OctetString('10.62.89.92')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.18'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.19'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.20'),
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OctetString('Asia/Harbin')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.21'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.22'), Integer(0)),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.23'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.24'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.26'),
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OctetString('controller_controller')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.10'), OctetString('')),
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(ObjectName('1.3.6.1.4.1.3902.4101.1.3.1.25'), OctetString(''))
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]
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DICT_EXPECTED = {
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u'1.3.6.1.4.1.3902.4101.1.3.1.8':
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u'vimid=,hid=controller_controller,'
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u'hostname=controller,'
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u'Reason: nova-compute is not available',
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u'1.3.6.1.4.1.3902.4101.1.3.1.9': 1581,
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u'1.3.6.1.4.1.3902.4101.1.3.1.6': 0,
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u'1.3.6.1.4.1.3902.4101.1.3.1.7': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.4': 1,
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u'1.3.6.1.4.1.3902.4101.1.3.1.5': 14,
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u'1.3.6.1.4.1.3902.4101.1.3.1.2': u'host',
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u'1.3.6.1.4.1.3902.4101.1.3.1.3':
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u'\x07\xe1\x04\x06\x07\x04\x08\x00+\x08\x00',
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u'1.3.6.1.4.1.3902.4101.1.3.1.1': u'3e7393db-2def-447c-8cba-77bf29ab29b4',
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u'1.3.6.1.4.1.3902.4101.1.3.1.18': 0,
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u'1.3.6.1.4.1.3902.4101.1.3.1.19': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.10': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.11': u'3305115653',
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u'1.3.6.1.4.1.3902.4101.1.3.1.12': u'Tecs Director',
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u'1.3.6.1.4.1.3902.4101.1.3.1.14': u'compute is not available',
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u'1.3.6.1.4.1.3902.4101.1.3.1.15': u'vimid=,hostname=controller',
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u'1.3.6.1.4.1.3902.4101.1.3.1.16': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.17': u'10.62.89.92',
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u'1.3.6.1.4.1.3902.4101.1.1.4': 0,
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u'1.3.6.1.4.1.3902.4101.1.1.3': u'',
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u'1.3.6.1.4.1.3902.4101.1.1.2': 0,
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u'1.3.6.1.2.1.1.3.0': u'1491462248',
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u'1.3.6.1.6.3.1.1.4.1.0': u'1.3.6.1.4.1.3902.4101.1.4.1.2',
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u'1.3.6.1.4.1.3902.4101.1.3.1.25': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.24': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.26': u'controller_controller',
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u'1.3.6.1.4.1.3902.4101.1.3.1.21': 0,
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u'1.3.6.1.4.1.3902.4101.1.3.1.20': u'Asia/Harbin',
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u'1.3.6.1.4.1.3902.4101.1.3.1.23': u'',
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u'1.3.6.1.4.1.3902.4101.1.3.1.22': 0
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}
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class TestSnmpParsing(base.BaseTest):
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OPTS = [
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cfg.IntOpt('snmp_listening_port', default=8162,
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help='The listening port of snmp_parsing service'),
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cfg.StrOpt('oid_mapping',
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default='/etc/vitrage/snmp_parsing_conf.yaml',
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help='The default path of oid_mapping yaml file'),
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]
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# noinspection PyPep8Naming
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@classmethod
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def setUpClass(cls):
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super(TestSnmpParsing, cls).setUpClass()
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cls.conf = cfg.ConfigOpts()
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cls.conf.register_opts(cls.OPTS, group='snmp_parsing')
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def test_convert_binds_to_dict(self):
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parsing_service = SnmpParsingService(self.conf)
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dict_converted = parsing_service._convert_binds_to_dict(BINDS_REPORTED)
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self.assertEqual(dict_converted, DICT_EXPECTED)
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