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# Copyright 2013 IBM Corp.
#
# 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 pycadf import cadftype
from pycadf import event
ERROR_UNKNOWN_EVENTTYPE = 'Unknown CADF EventType requested on factory method'
class EventFactory(object):
"""Factory class to create different required attributes for
the following CADF event types:
'activity': for tracking any interesting system activities for audit
'monitor': Events that carry Metrics and Measurements and support
standards such as NIST
'control': For audit events that are based upon (security) policies
and reflect some policy decision.
"""
def new_event(self, eventType=cadftype.EVENTTYPE_ACTIVITY, **kwargs):
"""Create new event
:param eventType: eventType of event. Defaults to 'activity'
"""
# for now, construct a base ('activity') event as the default
event_val = event.Event(**kwargs)
if not cadftype.is_valid_eventType(eventType):
raise ValueError(ERROR_UNKNOWN_EVENTTYPE)
event_val.eventType = eventType
# TODO(mrutkows): CADF is only being used for basic
# 'activity' auditing (on APIs). An IF-ELIF will
# become more meaningful as we add support for other
# event types.
# elif eventType == cadftype.EVENTTYPE_MONITOR:
# # TODO(mrutkows): If we add support for standard (NIST)
# # monitoring messages, we will would have a "monitor"
# # subclass of the CADF Event type and create it here
# event_val.set_eventType(cadftype.EVENTTYPE_MONITOR)
# elif eventType == cadftype.EVENTTYPE_CONTROL:
# # TODO(mrutkows): If we add support for standard (NIST)
# # monitoring messages, we will would have a "control"
# # subclass of the CADF Event type and create it here
# event_val.set_eventType(cadftype.EVENTTYPE_CONTROL)
return event_val
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