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#
# Copyright 2018 the original author or authors.
#
# 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.
#
import arrow
from voltha.extensions.alarms.adapter_alarms import AdapterAlarms
from voltha.extensions.alarms.simulator.simulate_alarms import AdapterAlarmSimulator
from voltha.extensions.alarms.olt.olt_los_alarm import OltLosAlarm
from voltha.extensions.alarms.onu.onu_dying_gasp_alarm import OnuDyingGaspAlarm
from voltha.extensions.alarms.onu.onu_los_alarm import OnuLosAlarm
from voltha.extensions.alarms.onu.onu_lopc_miss_alarm import OnuLopcMissAlarm
from voltha.extensions.alarms.onu.onu_lopc_mic_error_alarm import OnuLopcMicErrorAlarm
from voltha.extensions.alarms.onu.onu_lob_alarm import OnuLobAlarm
from voltha.extensions.alarms.onu.onu_startup_alarm import OnuStartupAlarm
from voltha.extensions.alarms.onu.onu_signal_degrade_alarm import OnuSignalDegradeAlarm
from voltha.extensions.alarms.onu.onu_signal_fail_alarm import OnuSignalFailAlarm
from voltha.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
from voltha.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
import voltha.protos.openolt_pb2 as openolt_pb2
import voltha.protos.device_pb2 as device_pb2
class OpenOltAlarmMgr(object):
def __init__(self, log, adapter_agent, device_id, logical_device_id,
platform):
"""
20180711 - Addition of adapter_agent and device_id
to facilitate alarm processing and kafka posting
:param log:
:param adapter_agent:
:param device_id:
"""
self.log = log
self.adapter_agent = adapter_agent
self.device_id = device_id
self.logical_device_id = logical_device_id
self.platform = platform
"""
The following is added to reduce the continual posting of OLT LOS alarming
to Kafka. Set enable_alarm_suppress = true to enable otherwise the
current openolt bal will send continuous olt los alarm cleared messages
ONU disc raised counter is place holder for a future addition
"""
self.enable_alarm_suppress = True
self.alarm_suppress = {"olt_los_clear": 0, "onu_disc_raised": []} # Keep count of alarms to limit.
try:
self.alarms = AdapterAlarms(self.adapter_agent, self.device_id, self.logical_device_id)
self.simulator = AdapterAlarmSimulator(self.alarms)
except Exception as initerr:
self.log.exception("alarmhandler-init-error", errmsg=initerr.message)
raise Exception(initerr)
def process_alarms(self, alarm_ind):
try:
self.log.debug('alarm-indication', alarm=alarm_ind, device_id=self.device_id)
if alarm_ind.HasField('los_ind'):
self.los_indication(alarm_ind.los_ind)
elif alarm_ind.HasField('dying_gasp_ind'):
self.dying_gasp_indication(alarm_ind.dying_gasp_ind)
elif alarm_ind.HasField('onu_alarm_ind'):
self.onu_alarm_indication(alarm_ind.onu_alarm_ind)
elif alarm_ind.HasField('onu_startup_fail_ind'):
self.onu_startup_failure_indication(
alarm_ind.onu_startup_fail_ind)
elif alarm_ind.HasField('onu_signal_degrade_ind'):
self.onu_signal_degrade_indication(
alarm_ind.onu_signal_degrade_ind)
elif alarm_ind.HasField('onu_drift_of_window_ind'):
self.onu_drift_of_window_indication(
alarm_ind.onu_drift_of_window_ind)
elif alarm_ind.HasField('onu_loss_omci_ind'):
self.onu_loss_omci_indication(alarm_ind.onu_loss_omci_ind)
elif alarm_ind.HasField('onu_signals_fail_ind'):
self.onu_signals_failure_indication(
alarm_ind.onu_signals_fail_ind)
elif alarm_ind.HasField('onu_tiwi_ind'):
self.onu_transmission_interference_warning(
alarm_ind.onu_tiwi_ind)
elif alarm_ind.HasField('onu_activation_fail_ind'):
self.onu_activation_failure_indication(
alarm_ind.onu_activation_fail_ind)
elif alarm_ind.HasField('onu_processing_error_ind'):
self.onu_processing_error_indication(
alarm_ind.onu_processing_error_ind)
else:
self.log.warn('unknown alarm type', alarm=alarm_ind)
except Exception as e:
self.log.error('sorting of alarm went wrong', error=e,
alarm=alarm_ind)
def simulate_alarm(self, alarm):
self.simulator.simulate_alarm(alarm)
def los_indication(self, los_ind):
try:
self.log.debug('los indication received', los_ind=los_ind,
int_id=los_ind.intf_id, status=los_ind.status)
try:
port_type_name = self.platform.intf_id_to_port_type_name(los_ind.intf_id)
if los_ind.status == 1 or los_ind.status == "on":
# Zero out the suppression counter on OLT_LOS raise
self.alarm_suppress['olt_los_clear'] = 0
OltLosAlarm(self.alarms, intf_id=los_ind.intf_id, port_type_name=port_type_name).raise_alarm()
else:
"""
Check if there has been more that one los clear following a previous los
"""
if self.alarm_suppress['olt_los_clear'] == 0 and self.enable_alarm_suppress:
OltLosAlarm(self.alarms, intf_id=los_ind.intf_id, port_type_name=port_type_name).clear_alarm()
self.alarm_suppress['olt_los_clear'] += 1
except Exception as alarm_err:
self.log.error('los-indication', errmsg=alarm_err.message)
except Exception as e:
self.log.error('los-indication', errmsg=e.message)
def dying_gasp_indication(self, dying_gasp_ind):
try:
alarm_dgi = dying_gasp_ind
onu_id = alarm_dgi.onu_id
self.log.debug('openolt-alarmindication-dispatch-dying-gasp', int_id=alarm_dgi.intf_id,
onu_id=alarm_dgi.onu_id, status=alarm_dgi.status)
try:
"""
Get the specific onu device information for the onu generating the alarm.
Extract the id. In the future extract the serial number as well
"""
onu_device_id = "unresolved"
onu_serial_number = "unresolved"
onu_device = self.resolve_onu_id(onu_id, port_intf_id=alarm_dgi.intf_id)
if onu_device != None:
onu_device_id = onu_device.id
onu_serial_number = onu_device.serial_number
if dying_gasp_ind.status == 1 or dying_gasp_ind.status == "on":
OnuDyingGaspAlarm(self.alarms, dying_gasp_ind.intf_id,
onu_device_id).raise_alarm()
else:
OnuDyingGaspAlarm(self.alarms, dying_gasp_ind.intf_id,
onu_device_id).clear_alarm()
except Exception as alarm_err:
self.log.exception('dying-gasp-indication', errmsg=alarm_err.message)
except Exception as e:
self.log.error('dying_gasp_indication', error=e)
def onu_alarm_indication(self, onu_alarm_ind):
"""
LOB = Los of burst
LOPC = Loss of PLOAM miss channel
:param onu_alarm_ind: Alarm indication which currently contains
onu_id:
los_status:
lob_status:
lopc_miss_status:
lopc_mic_error_status:
:return:
"""
self.log.info('onu-alarm-indication')
try:
self.log.debug('onu alarm indication received', los_status=onu_alarm_ind.los_status,
onu_intf_id=onu_alarm_ind.onu_id,
lob_status=onu_alarm_ind.lob_status,
lopc_miss_status=onu_alarm_ind.lopc_miss_status,
lopc_mic_error_status=onu_alarm_ind.lopc_mic_error_status,
intf_id=onu_alarm_ind.intf_id
)
try:
"""
Get the specific onu device information for the onu generating the alarm.
Extract the id. In the future extract the serial number as well
"""
onu_device_id = "unresolved"
serial_number = "unresolved"
onu_device = self.resolve_onu_id(onu_alarm_ind.onu_id, port_intf_id=onu_alarm_ind.intf_id)
if onu_device != None:
onu_device_id = onu_device.id
serial_number = onu_device.serial_number
if onu_alarm_ind.los_status == 1 or onu_alarm_ind.los_status == "on":
OnuLosAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
elif onu_alarm_ind.los_status == 0 or onu_alarm_ind.los_status == "off":
OnuLosAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
else: # No Change
pass
if onu_alarm_ind.lopc_miss_status == 1 or onu_alarm_ind.lopc_miss_status == "on":
OnuLopcMissAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
elif (onu_alarm_ind.lopc_miss_status == 0 or onu_alarm_ind.lopc_miss_status == "off"):
OnuLopcMissAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
else: # No Change
pass
if onu_alarm_ind.lopc_mic_error_status == 1 or onu_alarm_ind.lopc_mic_error_status == "on":
OnuLopcMicErrorAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
elif onu_alarm_ind.lopc_mic_error_status == 0 or onu_alarm_ind.lopc_mic_error_status == "off":
OnuLopcMicErrorAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
else: # No Change
pass
if onu_alarm_ind.lob_status == 1 or onu_alarm_ind.lob_status == "on":
OnuLobAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
elif onu_alarm_ind.lob_status == 0 or onu_alarm_ind.lob_status == "off":
OnuLobAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
else: # No Change
pass
except Exception as alarm_err:
self.log.exception('onu-alarm-indication', errmsg=alarm_err.message)
except Exception as e:
self.log.exception('onu-alarm-indication', errmsg=e.message)
def onu_startup_failure_indication(self, onu_startup_fail_ind):
"""
Current protobuf indicator:
message OnuStartupFailureIndication {
fixed32 intf_id = 1;
fixed32 onu_id = 2;
string status = 3;
}
:param onu_startup_fail_ind:
:return:
"""
try:
ind = onu_startup_fail_ind
label = "onu-startup-failure-indication"
self.log.debug(label + " received", onu_startup_fail_ind=ind, int_id=ind.intf_id, onu_id=ind.onu_id, status=ind.status)
try:
if ind.status == 1 or ind.status == "on":
OnuStartupAlarm(self.alarms, intf_id=ind.intf_id,onu_id=ind.onu_id).raise_alarm()
else:
OnuStartupAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id).clear_alarm()
except Exception as alarm_err:
self.log.exception(label, errmsg=alarm_err.message)
except Exception as e:
self.log.exception(label, errmsg=e.message)
def onu_signal_degrade_indication(self, onu_signal_degrade_ind):
"""
Current protobuf indicator:
OnuSignalDegradeIndication {
fixed32 intf_id = 1;
fixed32 onu_id = 2;
string status = 3;
fixed32 inverse_bit_error_rate = 4;
}
:param onu_signal_degrade_ind:
:return:
"""
try:
ind = onu_signal_degrade_ind
label = "onu-signal-degrade-indication"
self.log.debug(label + ' received',
onu_startup_fail_ind=ind,
int_id=ind.intf_id,
onu_id=ind.onu_id,
inverse_bit_error_rate=ind.inverse_bit_error_rate,
status=ind.status)
try:
if ind.status == 1 or ind.status == "on":
OnuSignalDegradeAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id,
inverse_bit_error_rate=ind.inverse_bit_error_rate).raise_alarm()
else:
OnuSignalDegradeAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id,
inverse_bit_error_rate=ind.inverse_bit_error_rate).clear_alarm()
except Exception as alarm_err:
self.log.exception(label, errmsg=alarm_err.message)
except Exception as e:
self.log.exception(label, errmsg=e.message)
def onu_drift_of_window_indication(self, onu_drift_of_window_ind):
"""
Current protobuf indicator:
OnuDriftOfWindowIndication {
fixed32 intf_id = 1;
fixed32 onu_id = 2;
string status = 3;
fixed32 drift = 4;
fixed32 new_eqd = 5;
}
:param onu_drift_of_window_ind:
:return:
"""
try:
ind = onu_drift_of_window_ind
label = "onu-window-drift-indication"
onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
self.log.debug(label + ' received',
onu_drift_of_window_ind=ind,
int_id=ind.intf_id,
onu_id=ind.onu_id,
onu_device_id=onu_device_id,
drift=ind.drift,
new_eqd=ind.new_eqd,
status=ind.status)
try:
if ind.status == 1 or ind.status == "on":
OnuWindowDriftAlarm(self.alarms, intf_id=ind.intf_id,
onu_id=onu_device_id,
drift=ind.drift,
new_eqd=ind.new_eqd).raise_alarm()
else:
OnuWindowDriftAlarm(self.alarms, intf_id=ind.intf_id,
onu_id=onu_device_id,
drift=ind.drift,
new_eqd=ind.new_eqd).clear_alarm()
except Exception as alarm_err:
self.log.exception(label, errmsg=alarm_err.message)
except Exception as e:
self.log.exception(label, errmsg=e.message)
def onu_loss_omci_indication(self, onu_loss_omci_ind):
self.log.info('not implemented yet')
def onu_signals_failure_indication(self, onu_signals_fail_ind):
"""
Current protobuf indicator:
OnuSignalsFailureIndication {
fixed32 intf_id = 1;
fixed32 onu_id = 2;
string status = 3;
fixed32 inverse_bit_error_rate = 4;
}
:param onu_signals_fail_ind:
:return:
"""
try:
ind = onu_signals_fail_ind
label = "onu-signal-failure-indication"
onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
self.log.debug(label + ' received',
onu_startup_fail_ind=ind,
int_id=ind.intf_id,
onu_id=ind.onu_id,
onu_device_id=onu_device_id,
onu_serial_number=onu_serial_number,
inverse_bit_error_rate=ind.inverse_bit_error_rate,
status=ind.status)
try:
if ind.status == 1 or ind.status == "on":
OnuSignalFailAlarm(self.alarms, intf_id=ind.intf_id,
onu_id=onu_device_id,
inverse_bit_error_rate=ind.inverse_bit_error_rate).raise_alarm()
else:
OnuSignalFailAlarm(self.alarms, intf_id=ind.intf_id,
onu_id=onu_device_id,
inverse_bit_error_rate=ind.inverse_bit_error_rate).clear_alarm()
except Exception as alarm_err:
self.log.exception(label, errmsg=alarm_err.message)
except Exception as e:
self.log.exception(label, errmsg=e.message)
def onu_transmission_interference_warning(self, onu_tiwi_ind):
self.log.info('not implemented yet')
def onu_activation_failure_indication(self, onu_activation_fail_ind):
"""
No status is currently passed with this alarm. Consequently it will always just raise
:param onu_activation_fail_ind:
:return:
"""
try:
ind = onu_activation_fail_ind
label = "onu-activation-failure-indication"
onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
self.log.debug(label + ' received',
onu_startup_fail_ind=ind,
int_id=ind.intf_id,
onu_id=ind.onu_id,
onu_device_id=onu_device_id,
onu_serial_number=onu_serial_number)
try:
OnuActivationFailAlarm(self.alarms, intf_id=ind.intf_id,
onu_id=onu_device_id).raise_alarm()
except Exception as alarm_err:
self.log.exception(label, errmsg=alarm_err.message)
except Exception as e:
self.log.exception(label, errmsg=e.message)
def onu_processing_error_indication(self, onu_processing_error_ind):
self.log.info('not implemented yet')
"""
Helper Methods
"""
def resolve_onudev_id_onudev_serialnum(self,onu_device):
"""
Convenience wrapper to resolve device_id and serial number
:param onu_device:
:return: tuple: onu_device_id, onu_serial_number
"""
try:
onu_device_id = "unresolved"
onu_serial_number = "unresolved"
if onu_device != None:
onu_device_id = onu_device.id
onu_serial_number = onu_device.serial_number
except Exception as err:
self.log.exception("openolt-alarms-resolve-onudev-id ", errmsg=err.message)
raise Exception(err)
return onu_device_id, onu_serial_number
def resolve_onu_id(self, onu_id, port_intf_id):
"""
Resolve the onu_device from the intf_id value and port. Uses the adapter agent to
resolve this..
Returns None if not found. Caller will have to test for None and act accordingly.
:param onu_id:
:param port_intf_id:
:return:
"""
try:
onu_device = None
onu_device = self.adapter_agent.get_child_device(
self.device_id,
parent_port_no=self.platform.intf_id_to_port_no(
port_intf_id, device_pb2.Port.PON_OLT),
onu_id=onu_id)
onu_device_id = onu_device.id
except Exception as inner:
self.log.exception('resolve-onu-id', errmsg=inner.message)
return onu_device