92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
"""
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(c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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"""
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import logging
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import os
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from oslo_config import cfg
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from freezer_api.common import _i18n
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from freezer_api.storage import elastic
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opt_group = cfg.OptGroup(name='storage',
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title='Freezer Storage Engine')
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storage_opts = [
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cfg.StrOpt('db',
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default='elasticsearch',
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help='specify the storage db to use (default: elasticsearch'),
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# use of 'endpoint' parameter name is deprecated, please use 'hosts'
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cfg.StrOpt('endpoint',
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default='',
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help='specify the storage hosts (deprecated, use "hosts"'),
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cfg.StrOpt('hosts',
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default='http://localhost:9200',
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help='specify the storage hosts'),
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cfg.StrOpt('index',
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default='freezer',
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help='specify the name of the elasticsearch index'),
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cfg.IntOpt('timeout',
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default=60,
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help='specify the connection timeout'),
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cfg.IntOpt('retries',
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default=20,
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help='number of retries to allow before raising and error'),
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cfg.BoolOpt('use_ssl',
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default=False,
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help='explicitly turn on SSL'),
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cfg.BoolOpt('verify_certs',
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default=False,
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help='turn on SSL certs verification'),
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cfg.StrOpt('ca_certs',
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default=None,
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help='path to CA certs on disk'),
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]
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CONF = cfg.CONF
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CONF.register_group(opt_group)
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CONF.register_opts(storage_opts, opt_group)
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def get_options():
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if CONF.storage.ca_certs:
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if not os.path.isfile(CONF.storage.ca_certs):
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raise Exception('Elasticsearch configuration error: '
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'CA_certs file not found ({0})'
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.format(CONF.storage.ca_certs))
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hosts = CONF.storage.endpoint or CONF.storage.hosts
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if not hosts:
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raise Exception('Elasticsearch configuration error: no host specified')
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opts = dict(CONF.storage)
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opts.pop('endpoint')
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opts['hosts'] = hosts.split(',')
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return opts
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def get_db():
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opts = get_options()
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db_engine = opts.pop('db')
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if db_engine == 'elasticsearch':
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logging.debug(_i18n._LI('Elastichsearch config options: %s') % str(opts))
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db = elastic.ElasticSearchEngine(**opts)
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else:
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raise Exception(_i18n._('Database Engine %s not supported') % db_engine)
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return db
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