165 lines
6.7 KiB
Python
165 lines
6.7 KiB
Python
# Copyright 2016 - Nokia
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from vitrage.common.constants import DatasourceProperties as DSProps
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from vitrage.common.constants import EdgeLabel
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from vitrage.common.constants import EntityCategory
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from vitrage.common.constants import GraphAction
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from vitrage.common.constants import VertexProperties as VProps
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from vitrage.datasources.alarm_transformer_base import AlarmTransformerBase
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from vitrage.datasources.ceilometer import CEILOMETER_DATASOURCE
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from vitrage.datasources.ceilometer.properties \
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import CeilometerEventType as CeilEventType
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from vitrage.datasources.ceilometer.properties \
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import CeilometerProperties as CeilProps
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from vitrage.datasources.ceilometer.properties \
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import CeilometerState as CeilState
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from vitrage.datasources import transformer_base as tbase
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from vitrage.datasources.transformer_base import Neighbor
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from vitrage.datasources.transformer_base import TransformerBase
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from vitrage.evaluator.actions.evaluator_event_transformer \
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import VITRAGE_DATASOURCE
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import vitrage.graph.utils as graph_utils
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from vitrage.utils import datetime as datetime_utils
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class CeilometerTransformer(AlarmTransformerBase):
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# Event types which need to refer them differently
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GRAPH_ACTION_MAPPING = {
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CeilEventType.DELETION: GraphAction.DELETE_ENTITY,
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}
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def _create_snapshot_entity_vertex(self, entity_event):
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if _is_vitrage_alarm(entity_event):
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return self._create_merge_alarm_vertex(entity_event)
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return self._create_vertex(entity_event)
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def _create_update_entity_vertex(self, entity_event):
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if _is_vitrage_alarm(entity_event):
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return self._create_merge_alarm_vertex(entity_event)
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return self._create_vertex(entity_event)
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def _create_vertex(self, entity_event):
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metadata = {
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VProps.NAME: entity_event[CeilProps.NAME],
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VProps.SEVERITY: entity_event[CeilProps.SEVERITY],
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CeilProps.DESCRIPTION: entity_event[CeilProps.DESCRIPTION],
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CeilProps.ENABLED: entity_event[CeilProps.ENABLED],
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VProps.PROJECT_ID: entity_event.get(CeilProps.PROJECT_ID, None),
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CeilProps.REPEAT_ACTIONS: entity_event[CeilProps.REPEAT_ACTIONS],
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VProps.RESOURCE_ID: entity_event[CeilProps.RESOURCE_ID],
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'alarm_type': entity_event[CeilProps.TYPE]
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}
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# TODO(annarez): convert EVENT_TYPE to tuple
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if entity_event[CeilProps.TYPE] == CeilProps.EVENT:
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metadata[CeilProps.EVENT_TYPE] = \
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entity_event[CeilProps.EVENT_TYPE]
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elif entity_event[CeilProps.TYPE] == CeilProps.THRESHOLD:
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metadata[CeilProps.STATE_TIMESTAMP] = \
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entity_event[CeilProps.STATE_TIMESTAMP]
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vitrage_sample_timestamp = entity_event[DSProps.SAMPLE_DATE]
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update_timestamp = self._format_update_timestamp(
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CeilometerTransformer._timestamp(entity_event),
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vitrage_sample_timestamp)
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return graph_utils.create_vertex(
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self._create_entity_key(entity_event),
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vitrage_category=EntityCategory.ALARM,
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vitrage_type=entity_event[DSProps.ENTITY_TYPE],
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vitrage_sample_timestamp=vitrage_sample_timestamp,
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entity_id=entity_event[CeilProps.ALARM_ID],
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entity_state=self._get_alarm_state(entity_event),
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update_timestamp=update_timestamp,
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metadata=metadata)
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def _create_snapshot_neighbors(self, entity_event):
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return self._create_aodh_neighbors(entity_event)
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def _create_update_neighbors(self, entity_event):
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return self._create_aodh_neighbors(entity_event)
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def _create_aodh_neighbors(self, entity_event):
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graph_neighbors = entity_event.get(self.QUERY_RESULT, [])
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result = []
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for vertex in graph_neighbors:
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edge = graph_utils.create_edge(
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source_id=TransformerBase.uuid_from_deprecated_vitrage_id(
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self._create_entity_key(entity_event)),
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target_id=vertex.vertex_id,
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relationship_type=EdgeLabel.ON)
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result.append(Neighbor(vertex, edge))
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return result
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def _create_merge_alarm_vertex(self, entity_event):
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"""Handle an alarm that already has a vitrage_id
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This is a deduced alarm created in aodh by vitrage, so it already
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exists in the graph.
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This function will update the exiting vertex (and not create a new one)
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"""
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metadata = {
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CeilProps.DESCRIPTION: entity_event[CeilProps.DESCRIPTION],
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VProps.PROJECT_ID: entity_event[CeilProps.PROJECT_ID],
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}
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vitrage_sample_timestamp = entity_event[DSProps.SAMPLE_DATE]
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update_timestamp = self._format_update_timestamp(
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CeilometerTransformer._timestamp(entity_event),
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vitrage_sample_timestamp)
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return graph_utils.create_vertex(
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self._create_entity_key(entity_event),
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vitrage_category=EntityCategory.ALARM,
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vitrage_type=VITRAGE_DATASOURCE,
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vitrage_sample_timestamp=vitrage_sample_timestamp,
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entity_id=entity_event.get(CeilProps.ALARM_ID),
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update_timestamp=update_timestamp,
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metadata=metadata)
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def _ok_status(self, entity_event):
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return entity_event[CeilProps.STATE] != CeilState.ALARM
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def _create_entity_key(self, entity_event):
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if _is_vitrage_alarm(entity_event):
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return entity_event.get(CeilProps.VITRAGE_ID)
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entity_type = entity_event[DSProps.ENTITY_TYPE]
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alarm_id = entity_event[CeilProps.ALARM_ID]
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return tbase.build_key((EntityCategory.ALARM, entity_type, alarm_id))
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@staticmethod
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def _timestamp(entity_event):
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return datetime_utils.change_time_str_format(
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entity_event[CeilProps.TIMESTAMP],
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CeilProps.TIME_FORMAT,
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tbase.TIMESTAMP_FORMAT)
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@staticmethod
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def get_enrich_query(event):
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affected_resource_id = event.get(CeilProps.RESOURCE_ID, None)
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if not affected_resource_id:
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return None
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return {VProps.ID: affected_resource_id}
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def get_vitrage_type(self):
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return CEILOMETER_DATASOURCE
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def _is_vitrage_alarm(entity_event):
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return entity_event.get(CeilProps.VITRAGE_ID) is not None
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