164 lines
6.8 KiB
Python
164 lines
6.8 KiB
Python
# Copyright 2016 - Alcatel-Lucent
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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.cinder.volume import CINDER_VOLUME_DATASOURCE
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from vitrage.datasources.cinder.volume.properties import \
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CinderProperties as CinderProps
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from vitrage.datasources.nova.instance import NOVA_INSTANCE_DATASOURCE
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from vitrage.datasources.resource_transformer_base import \
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ResourceTransformerBase
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from vitrage.datasources import transformer_base as tbase
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from vitrage.datasources.transformer_base import build_key
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from vitrage.datasources.transformer_base import extract_field_value
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import vitrage.graph.utils as graph_utils
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class CinderVolumeTransformer(ResourceTransformerBase):
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# graph actions which need to refer them differently
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GRAPH_ACTION_MAPPING = {
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'volume.delete.end': GraphAction.DELETE_ENTITY,
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'volume.detach.start': GraphAction.DELETE_RELATIONSHIP,
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'volume.attach.end': GraphAction.UPDATE_RELATIONSHIP
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}
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def __init__(self, transformers, conf):
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super(CinderVolumeTransformer, self).__init__(transformers, conf)
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def _create_snapshot_entity_vertex(self, entity_event):
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volume_name = extract_field_value(entity_event, 'display_name')
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volume_id = extract_field_value(entity_event, 'id')
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volume_state = extract_field_value(entity_event, 'status')
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project_id = entity_event.get('os-vol-tenant-attr:tenant_id', None)
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timestamp = extract_field_value(entity_event, 'created_at')
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size = extract_field_value(entity_event, 'size')
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volume_type = extract_field_value(entity_event, 'volume_type')
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attachments = extract_field_value(entity_event, 'attachments')
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return self._create_vertex(entity_event,
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volume_name,
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volume_id,
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volume_state,
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project_id,
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timestamp,
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size,
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volume_type,
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attachments,
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'server_id')
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def _create_update_entity_vertex(self, entity_event):
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volume_name = extract_field_value(entity_event, 'display_name')
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volume_id = extract_field_value(entity_event, 'volume_id')
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volume_state = extract_field_value(entity_event, 'status')
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project_id = entity_event.get('tenant_id', None)
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timestamp = entity_event.get('updated_at', None)
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size = extract_field_value(entity_event, 'size')
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volume_type = extract_field_value(entity_event, 'volume_type')
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attachments = extract_field_value(entity_event, 'volume_attachment')
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return self._create_vertex(entity_event,
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volume_name,
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volume_id,
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volume_state,
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project_id,
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timestamp,
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size,
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volume_type,
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attachments,
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'instance_uuid')
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def _create_vertex(self,
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entity_event,
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volume_name,
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volume_id,
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volume_state,
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project_id,
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update_timestamp,
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volume_size,
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volume_type,
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attachments,
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server_id_key):
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server_ids = []
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for attachment in attachments:
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server_ids.append((attachment[server_id_key]))
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metadata = {
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VProps.NAME: volume_name,
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VProps.PROJECT_ID: project_id,
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CinderProps.SIZE: volume_size,
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CinderProps.VOLUME_TYPE: volume_type,
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CinderProps.ATTACHMENTS: tuple(server_ids)
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}
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entity_key = self._create_entity_key(entity_event)
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vitrage_sample_timestamp = entity_event[DSProps.SAMPLE_DATE]
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return graph_utils.create_vertex(
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entity_key,
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vitrage_category=EntityCategory.RESOURCE,
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vitrage_type=CINDER_VOLUME_DATASOURCE,
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vitrage_sample_timestamp=vitrage_sample_timestamp,
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entity_id=volume_id,
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entity_state=volume_state,
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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_volume_neighbors(entity_event,
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'attachments',
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'server_id')
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def _create_update_neighbors(self, entity_event):
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return self._create_volume_neighbors(entity_event,
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'volume_attachment',
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'instance_uuid')
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def _create_entity_key(self, entity_event):
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is_update_event = tbase.is_update_event(entity_event)
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id_field_path = 'volume_id' if is_update_event else 'id'
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volume_id = extract_field_value(entity_event, id_field_path)
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key_fields = self._key_values(CINDER_VOLUME_DATASOURCE, volume_id)
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return build_key(key_fields)
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def _create_volume_neighbors(self,
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entity_event,
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attachments_property,
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instance_id_property):
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neighbors = []
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for attachment in entity_event[attachments_property]:
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instance_neighbor_id = attachment[instance_id_property]
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neighbors.append(self._create_neighbor(entity_event,
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instance_neighbor_id,
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NOVA_INSTANCE_DATASOURCE,
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EdgeLabel.ATTACHED,
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is_entity_source=True))
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return neighbors
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def get_vitrage_type(self):
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return CINDER_VOLUME_DATASOURCE
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