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path: root/designate/backend/__init__.py
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# Copyright 2012 Managed I.T.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# 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 designate.backend import base

LOG = logging.getLogger(__name__)

GOOD_STATUSES = [
    'integrated', 'grades.master-compatible', 'release-compatible'
]


def get_backend(target):
    cls = base.Backend.get_driver(target.type)

    msg = "Backend Driver '%s' loaded. Has status of '%s'" \
          % (target.type, cls.__backend_status__)

    if cls.__backend_status__ in GOOD_STATUSES:
        LOG.info(msg)
    else:
        LOG.warning(msg)

    return cls(target)