122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Adapter related object holder."""
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from compass.db.api import adapter as adapter_api
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from compass.db.api import database
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from compass.db.api import permission
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from compass.db.api import user as user_api
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from compass.db.api import utils
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from compass.db import exception
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SUPPORTED_FIELDS = [
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'name', 'os', 'distributed_system', 'os_installer', 'package_installer'
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]
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OS_FIELD_MAPPING = {
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'os': 'os_name',
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'os_installer': 'installer_type'
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}
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PACKAGE_FIELD_MAPPING = {
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'distributed_system': 'distributed_system_name',
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'package_installer': 'installer_type'
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}
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def load_adapters():
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with database.session() as session:
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return adapter_api.get_adapters_internal(session)
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ADAPTER_MAPPING = load_adapters()
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def _filter_adapters(adapter_config, filter_name, filter_value):
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if filter_name not in adapter_config:
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return False
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if isinstance(filter_value, list):
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return bool(
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adapter_config[filter_name] in filter_value
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)
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elif isinstance(filter_value, dict):
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return all([
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_filter_adapters(
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adapter_config[filter_name],
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sub_filter_key, sub_filter_value
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)
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for sub_filter_key, sub_filter_value in filter_value.items()
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])
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else:
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return adapter_config[filter_name] == filter_value
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@utils.supported_filters(optional_support_keys=SUPPORTED_FIELDS)
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def list_adapters(lister, **filters):
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"""list adapters."""
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translated_filters = {}
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for filter_name, filter_value in filters:
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if filter_name in OS_FIELD_MAPPING:
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translated_filters.setdefault('os_adapter', {})[
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OS_FIELD_MAPPING[filter_name]
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] = filter_value
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elif filter_name in PACKAGE_FIELD_MAPPING:
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translated_filters.setdefault('package-adapter', {})[
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PACKAGE_FIELD_MAPPING[filter_name]
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] = filter_value
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else:
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translated_filters[filter_name] = filter_value
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with database.session() as session:
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user_api.check_user_permission_internal(
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session, lister, permission.PERMISSION_LIST_ADAPTERS)
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filtered_adapter_dicts = []
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adapter_dicts = ADAPTER_MAPPING.values()
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for adapter_dict in adapter_dicts:
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if all([
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_filter_adapters(adapter_dict, filter_name, filter_value)
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for filter_name, filter_value in translated_filters.items()
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]):
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filtered_adapter_dicts.append(adapter_dict)
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return filtered_adapter_dicts
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@utils.supported_filters([])
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def get_adapter(getter, adapter_id, **kwargs):
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"""get adapter."""
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with database.session() as session:
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user_api.check_user_permission_internal(
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session, getter, permission.PERMISSION_LIST_ADAPTERS)
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if adapter_id not in ADAPTER_MAPPING:
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raise exception.RecordNotExists(
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'adpater %s does not exist' % adapter_id
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)
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return ADAPTER_MAPPING[adapter_id]
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@utils.supported_filters([])
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def get_adapter_roles(getter, adapter_id, **kwargs):
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"""get adapter roles."""
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with database.session() as session:
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user_api.check_user_permission_internal(
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session, getter, permission.PERMISSION_LIST_ADAPTERS)
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if adapter_id not in ADAPTER_MAPPING:
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raise exception.RecordNotExists(
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'adpater %s does not exist' % adapter_id
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)
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adapter_dict = ADAPTER_MAPPING[adapter_id]
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if 'package_adapter' not in adapter_dict:
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raise exception.RecordNotExists(
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'adapter %s does not contain package_adapter' % adapter_id
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)
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return ADAPTER_MAPPING[adapter_id]['package_adapter']['roles']
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