vitrage/tools/datasource-scaffold/{{cookiecutter.name}}/transformer.py
Yujun Zhang 89a0d974e5 Add tool for datasource scaffold
Implements: blueprint datasource-scaffold
Change-Id: If853de3cd00e9d7ca4a93fdc409c6f0059dbc817
2018-05-10 09:18:53 +08:00

73 lines
2.8 KiB
Python

# Copyright 2018 - Vitrage team
#
# 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 oslo_log import log as logging
from vitrage.common.constants import EntityCategory
from vitrage.common.constants import VertexProperties as VProps
from vitrage.datasources.resource_transformer_base import \
ResourceTransformerBase
from vitrage.datasources.{{cookiecutter.name}} import {{cookiecutter.name|upper}}_DATASOURCE
from vitrage.datasources.{{cookiecutter.name}} import {{cookiecutter.name|capitalize}}Fields
from vitrage.datasources import transformer_base
import vitrage.graph.utils as graph_utils
LOG = logging.getLogger(__name__)
class {{cookiecutter.name|capitalize}}Transformer(ResourceTransformerBase):
def __init__(self, transformers, conf):
super({{cookiecutter.name|capitalize}}Transformer, self).__init__(transformers, conf)
def _create_snapshot_entity_vertex(self, entity_event):
return self._create_vertex(entity_event)
def _create_update_entity_vertex(self, entity_event):
return self._create_vertex(entity_event)
def _create_snapshot_neighbors(self, entity_event):
return self._create_{{cookiecutter.name}}_neighbors(entity_event)
def _create_update_neighbors(self, entity_event):
return self._create_{{cookiecutter.name}}_neighbors(entity_event)
def _create_entity_key(self, entity_event):
"""the unique key of this entity"""
# FIXME: Below is just an example. It could be different in a real
# datasource
entity_id = entity_event[VProps.ID]
entity_type = entity_event[{{cookiecutter.name|capitalize}}Fields.TYPE]
key_fields = self._key_values(entity_type, entity_id)
return transformer_base.build_key(key_fields)
@staticmethod
def get_vitrage_type():
return {{cookiecutter.name|upper}}_DATASOURCE
def _create_vertex(self, entity_event):
return graph_utils.create_vertex(
self._create_entity_key(entity_event),
vitrage_category=EntityCategory.RESOURCE,
vitrage_type=None, # FIXME
vitrage_{{cookiecutter.name}}_timestamp=None, # FIXME
entity_id=None, # FIXME
update_timestamp=None, # FIXME
entity_state=None, # FIXME
metadata=None) # FIXME
def _create_{{cookiecutter.name}}_neighbors(self, entity_event):
return []