104 lines
3.9 KiB
Python
104 lines
3.9 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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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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"""Database API for all artifact types"""
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from oslo_db import exception as db_exception
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from oslo_log import log as logging
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from retrying import retry
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import six
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from glare.db import api as base_api
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from glare.db.sqlalchemy import api
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from glare.i18n import _LW
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from glare import locking
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LOG = logging.getLogger(__name__)
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def _retry_on_connection_error(exc):
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"""Function to retry a DB API call if connection error was received."""
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if isinstance(exc, db_exception.DBConnectionError):
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LOG.warn(_LW("Connection error detected. Retrying..."))
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return True
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return False
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class ArtifactAPI(base_api.BaseDBAPI):
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def _serialize_values(self, values):
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new_values = {}
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if 'tags' in values:
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new_values['tags'] = values.pop('tags')
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for key, value in six.iteritems(values):
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if key in api.BASE_ARTIFACT_PROPERTIES:
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new_values[key] = value
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elif self.cls.is_blob(key) or self.cls.is_blob_dict(key):
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new_values.setdefault('blobs', {})[key] = value
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else:
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new_values.setdefault('properties', {})[key] = value
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return new_values
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def create(self, context, values):
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values = self._serialize_values(values)
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values['type_name'] = self.type
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session = api.get_session()
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return api.create(context, values, session)
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def update(self, context, artifact_id, values):
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session = api.get_session()
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return api.update(context, artifact_id,
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self._serialize_values(values), session)
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def delete(self, context, artifact_id):
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session = api.get_session()
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return api.delete(context, artifact_id, session)
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def get(self, context, artifact_id):
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session = api.get_session()
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return api.get(context, artifact_id, session)
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def list(self, context, filters, marker, limit, sort, latest):
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session = api.get_session()
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if self.type != 'all':
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filters.append(('type_name', None, 'eq', None, self.type))
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return api.get_all(context=context, session=session, filters=filters,
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marker=marker, limit=limit, sort=sort,
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latest=latest)
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class ArtifactLockApi(locking.LockApiBase):
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def create_lock(self, context, lock_key):
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session = api.get_session()
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return api.create_lock(context, lock_key, session)
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@retry(retry_on_exception=_retry_on_connection_error, wait_fixed=1000,
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stop_max_attempt_number=20)
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def delete_lock(self, context, lock_id):
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session = api.get_session()
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api.delete_lock(context, lock_id, session)
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