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Matteo Scandoloea529092018-09-11 16:36:39 -07001# Copyright 2017-present Open Networking Foundation
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15from synchronizers.new_base.syncstep import DeferredException
Matteo Scandolode8cfa82018-10-16 13:49:05 -070016from synchronizers.new_base.modelaccessor import AttWorkflowDriverWhiteListEntry, AttWorkflowDriverServiceInstance, ONUDevice, VOLTService, model_accessor
Matteo Scandoloea529092018-09-11 16:36:39 -070017
18from xosconfig import Config
19from multistructlog import create_logger
20
21log = create_logger(Config().get('logging'))
22
23class AttHelpers():
24
25 @staticmethod
26 def validate_onu(att_si):
27 """
28 This method validate an ONU against the whitelist and set the appropriate state.
29 It's expected that the deferred exception is managed in the caller method,
30 for example a model_policy or a sync_step.
31
32 :param att_si: AttWorkflowDriverServiceInstance
33 :return: [boolean, string]
34 """
35
36 oss_service = att_si.owner.leaf_model
37
38 # See if there is a matching entry in the whitelist.
39 matching_entries = AttWorkflowDriverWhiteListEntry.objects.filter(
40 owner_id=oss_service.id,
41 )
42 matching_entries = [e for e in matching_entries if e.serial_number.lower() == att_si.serial_number.lower()]
43
44 if len(matching_entries) == 0:
45 log.warn("ONU not found in whitelist", object=str(att_si), serial_number=att_si.serial_number, **att_si.tologdict())
46 return [False, "ONU not found in whitelist"]
47
48 whitelisted = matching_entries[0]
49 try:
50 pon_port = ONUDevice.objects.get(serial_number=att_si.serial_number).pon_port
51 except IndexError:
52 raise DeferredException("ONU device %s is not know to XOS yet" % att_si.serial_number)
53
54 if pon_port.port_no != whitelisted.pon_port_id or att_si.of_dpid != whitelisted.device_id:
Matteo Scandolode8cfa82018-10-16 13:49:05 -070055 log.warn("ONU disable as location don't match",
56 object=str(att_si),
57 serial_number=att_si.serial_number,
58 pon_port=pon_port.port_no,
59 whitelisted_pon_port=whitelisted.pon_port_id,
60 device_id=att_si.of_dpid,
61 whitelisted_device_id=whitelisted.device_id,
Matteo Scandoloea529092018-09-11 16:36:39 -070062 **att_si.tologdict())
63 return [False, "ONU activated in wrong location"]
64
Matteo Scandolode8cfa82018-10-16 13:49:05 -070065 return [True, "ONU has been validated"]
66
67 @staticmethod
68 def get_onu_sn(event):
69 olt_service = VOLTService.objects.first()
70 onu_sn = olt_service.get_onu_sn_from_openflow(event["deviceId"], event["portNumber"])
71 if not onu_sn or onu_sn is None:
72 log.exception("Cannot find onu serial number for this event", kafka_event=event)
73 raise Exception("Cannot find onu serial number for this event")
74
75 return onu_sn
76
77 @staticmethod
78 def get_si_by_sn(serial_number):
79 try:
80 return AttWorkflowDriverServiceInstance.objects.get(serial_number=serial_number)
81 except IndexError:
82 log.exception("Cannot find att-workflow-driver service instance for this serial number", serial_number=serial_number)
83 raise Exception("Cannot find att-workflow-driver service instance for this serial number %s", serial_number)