Initial commit moving openolt adapter from voltha-go to the new repo.
This version works with ponsim rather than openolt, this is temporary.
It is currently being fixed to work with openolt.
Change-Id: I34a800c98f050140b367e2d474b7aa8b79f34b9a
Signed-off-by: William Kurkian <wkurkian@cisco.com>
diff --git a/python/adapters/extensions/alarms/adapter_alarms.py b/python/adapters/extensions/alarms/adapter_alarms.py
new file mode 100644
index 0000000..b24113f
--- /dev/null
+++ b/python/adapters/extensions/alarms/adapter_alarms.py
@@ -0,0 +1,205 @@
+#
+# Copyright 2017 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 structlog
+import arrow
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity,\
+ AlarmEventState, AlarmEventCategory
+log = structlog.get_logger()
+
+
+# TODO: In the device adapter, the following alarms are still TBD
+# (Taken from openolt_alarms)
+# onu_alarm_ind
+# onu_startup_failure_indication
+# onu_signal_degrade_indication
+# onu_drift_of_window_ind
+# onu_loss_omci_ind
+# onu_signals_fail_ind
+# onu_tiwi_ind
+# onu_activation_fail_ind
+# onu_processing_error_ind
+
+
+class AdapterAlarms:
+ """
+ Class for managing Alarms within a given Device Handler instance
+ """
+ def __init__(self, adapter_agent, device_id, logical_device_id):
+ """
+ Adapter alarm manager initializer
+
+ :param adapter_agent: (AdapterAgent) Adapter agent reference
+ :param device_id: (str) Device handler's unique device id
+ :param logical_device_id: (str) Logical Device that the device is a member of
+ """
+ self.log = structlog.get_logger(device_id=device_id)
+ self.adapter_agent = adapter_agent
+ self.device_id = device_id
+ self.logical_device_id = logical_device_id
+ self.adapter_name = adapter_agent.adapter_name
+ self.lc = None
+
+ def format_id(self, alarm):
+ """
+ Format the Unique Alarm ID for this alarm. This is provided in the alarms
+ 'id' field
+
+ :param alarm: (str) The name of the alarm such as 'Discover' or 'LOS'
+
+ :return: (str) Alarm ID
+ """
+ return 'voltha.{}.{}.{}'.format(self.adapter_name,
+ self.device_id,
+ alarm)
+
+ def format_description(self, _object, alarm, status):
+ """
+ Format the textual description field of this alarm
+
+ :param _object: ()
+ :param alarm: (str) The name of the alarm such as 'Discover' or 'LOS'
+ :param status: (bool) If True, the alarm is active (it is being raised)
+
+ :return: (str) Alarm description
+ """
+ return '{} Alarm - {} - {}'.format(_object.upper(),
+ alarm.upper(),
+ 'Raised' if status else 'Cleared')
+
+ def send_alarm(self, context_data, alarm_data):
+ """
+ Send the alarm to the event bus
+
+ :param context_data: (dict) Alarm specific context data
+ :param alarm_data: (dict) Common Alarm information dictionary
+ """
+ try:
+ current_context = {}
+ if isinstance(context_data, dict):
+ for key, value in context_data.iteritems():
+ current_context[key] = str(value)
+ ser_num = None
+ device = self.adapter_agent.get_device(device_id=self.device_id)
+ ser_num = device.serial_number
+
+
+ """
+ Only put in the onu serial numbers since the OLT does not currently have a serial number and the
+ value is the ip:port address.
+ """
+ if isinstance(context_data, dict) and '_onu' in device.type.lower():
+ current_context["onu_serial_number"] = ser_num
+ alarm_event = self.adapter_agent.create_alarm(
+ id=alarm_data.get('id', 'voltha.{}.{}.olt'.format(self.adapter_name,
+ self.device_id)),
+ resource_id=str(alarm_data.get('resource_id', self.device_id)),
+ description="{}.{} - {}".format(self.adapter_name, self.device_id,
+ alarm_data.get('description')),
+ type=alarm_data.get('type'),
+ category=alarm_data.get('category'),
+ severity=alarm_data.get('severity'),
+ state=alarm_data.get('state'),
+ raised_ts=alarm_data.get('ts', 0),
+ context=current_context,
+ logical_device_id=self.logical_device_id,
+ alarm_type_name=alarm_data.get('alarm_type_name')
+ )
+ self.adapter_agent.submit_alarm(self.device_id, alarm_event)
+
+ except Exception as e:
+ self.log.exception('failed-to-send-alarm', e=e)
+ raise
+
+
+class AlarmBase(object):
+ """Base class for alarms"""
+ def __init__(self, alarm_mgr, object_type, alarm,
+ alarm_category,
+ resource_id=None,
+ alarm_type=AlarmEventType.EQUIPMENT,
+ alarm_severity=AlarmEventSeverity.CRITICAL):
+ """
+ Initializer for the Alarm base class
+
+ :param alarm_mgr: (AdapterAlarms) Reference to the device handler's Adapter
+ Alarm manager
+ :param object_type: (str) Type of device generating the alarm such as 'olt' or 'onu'
+ :param alarm: (str) A textual name for the alarm such as 'HeartBeat' or 'Discovery'
+ :param alarm_category: (AlarmEventCategory) Refers to functional category of
+ the alarm
+ :param resource_id: (str) Identifier of the originating resource of the alarm
+ :param alarm_type: (AlarmEventType) Refers to the area of the system impacted
+ by the alarm
+ :param alarm_severity: (AlarmEventSeverity) Overall impact of the alarm on the
+ system
+ """
+ self._alarm_mgr = alarm_mgr
+ self._object_type = object_type
+ self._alarm = alarm
+ self._alarm_category = alarm_category
+ self._alarm_type = alarm_type
+ self._alarm_severity = alarm_severity
+ self._resource_id = resource_id
+
+ def get_alarm_data(self, status):
+ """
+ Get the alarm specific data and format it into a dictionary. When the alarm
+ is being sent to the event bus, this dictionary provides a majority of the
+ fields for the alarms.
+
+ :param status: (bool) True if the alarm is active/raised
+ :return: (dict) Alarm data
+ """
+ data = {
+ 'ts': arrow.utcnow().timestamp,
+ 'description': self._alarm_mgr.format_description(self._object_type,
+ self._alarm,
+ status),
+ 'id': self._alarm_mgr.format_id(self._alarm),
+ 'type': self._alarm_type,
+ 'category': self._alarm_category,
+ 'severity': self._alarm_severity,
+ 'state': AlarmEventState.RAISED if status else AlarmEventState.CLEARED,
+ 'alarm_type_name': self._alarm
+ }
+ if self._resource_id is not None:
+ data['resource_id'] = self._resource_id
+ return data
+
+ def get_context_data(self):
+ """
+ Get alarm specific context data. If an alarm has specific data to specify, it is
+ included in the context field in the published event
+
+ :return: (dict) Dictionary with alarm specific context data
+ """
+ return {} # NOTE: You should override this if needed
+
+ def raise_alarm(self):
+ """
+ Called to set the state of an alarm to active and to send it to the event bus
+ """
+ alarm_data = self.get_alarm_data(True)
+ context_data = self.get_context_data()
+ self._alarm_mgr.send_alarm(context_data, alarm_data)
+
+ def clear_alarm(self):
+ """
+ Called to set the state of an alarm to inactive and to send it to the event bus
+ """
+ alarm_data = self.get_alarm_data(False)
+ context_data = self.get_context_data()
+ self._alarm_mgr.send_alarm(context_data, alarm_data)