blob: 2f6382bef1a97fe4606d5370e14135632a12d948 [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from xossynchronizer.steps.syncstep import DeferredException
class AttHelpers():
@staticmethod
def validate_onu(model_accessor, log, att_si):
"""
This method validate an ONU against the whitelist and set the appropriate state.
It's expected that the deferred exception is managed in the caller method,
for example a model_policy or a sync_step.
:param att_si: AttWorkflowDriverServiceInstance
:return: [boolean, string]
"""
oss_service = att_si.owner.leaf_model
# See if there is a matching entry in the whitelist.
matching_entries = model_accessor.AttWorkflowDriverWhiteListEntry.objects.filter(
owner_id=oss_service.id,
)
matching_entries = [e for e in matching_entries if e.serial_number.lower() == att_si.serial_number.lower()]
if len(matching_entries) == 0:
log.warn("ONU not found in whitelist", object=str(att_si), serial_number=att_si.serial_number, **att_si.tologdict())
return [False, "ONU not found in whitelist"]
whitelisted = matching_entries[0]
try:
onu = model_accessor.ONUDevice.objects.get(serial_number=att_si.serial_number)
pon_port = onu.pon_port
except IndexError:
raise DeferredException("ONU device %s is not know to XOS yet" % att_si.serial_number)
if onu.admin_state == "ADMIN_DISABLED":
return [False, "ONU has been manually disabled"]
if pon_port.port_no != whitelisted.pon_port_id or att_si.of_dpid != whitelisted.device_id:
log.warn("ONU disable as location don't match",
object=str(att_si),
serial_number=att_si.serial_number,
pon_port=pon_port.port_no,
whitelisted_pon_port=whitelisted.pon_port_id,
device_id=att_si.of_dpid,
whitelisted_device_id=whitelisted.device_id,
**att_si.tologdict())
return [False, "ONU activated in wrong location"]
return [True, "ONU has been validated"]
@staticmethod
def find_or_create_att_si(model_accessor, log, event):
try:
att_si = model_accessor.AttWorkflowDriverServiceInstance.objects.get(
serial_number=event["serialNumber"]
)
log.debug("AttHelpers: Found existing AttWorkflowDriverServiceInstance", si=att_si)
except IndexError:
# create an AttWorkflowDriverServiceInstance, the validation will be
# triggered in the corresponding sync step
att_si = model_accessor.AttWorkflowDriverServiceInstance(
serial_number=event["serialNumber"],
of_dpid=event["deviceId"],
uni_port_id=long(event["portNumber"]),
# we assume there is only one AttWorkflowDriverService
owner=model_accessor.AttWorkflowDriverService.objects.first()
)
log.debug("AttHelpers: Created new AttWorkflowDriverServiceInstance", si=att_si)
return att_si