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# Copyright 2012-2013 OpenStack Foundation

#

# 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.

#

import logging

from osc_lib import utils

from openstackclient.i18n import _

LOG = logging.getLogger(__name__)

DEFAULT_API_VERSION = '2'

API_VERSION_OPTION = 'os_volume_api_version'

API_NAME = "volume"

API_VERSIONS = {

"1": "cinderclient.v1.client.Client",

"2": "cinderclient.v2.client.Client",

"3": "cinderclient.v3.client.Client",

}

def make_client(instance):

"""Returns a volume service client."""

# Defer client imports until we actually need them

from cinderclient import extension

from cinderclient.v1.contrib import list_extensions

from cinderclient.v1 import volume_snapshots

from cinderclient.v1 import volumes

# Monkey patch for v1 cinderclient

volumes.Volume.NAME_ATTR = 'display_name'

volume_snapshots.Snapshot.NAME_ATTR = 'display_name'

volume_client = utils.get_client_class(

API_NAME,

instance._api_version[API_NAME],

API_VERSIONS

)

LOG.debug('Instantiating volume client: %s', volume_client)

# Set client http_log_debug to True if verbosity level is high enough

http_log_debug = utils.get_effective_log_level() <= logging.DEBUG

extensions = [extension.Extension('list_extensions', list_extensions)]

# Remember interface only if it is set

kwargs = utils.build_kwargs_dict('endpoint_type', instance.interface)

client = volume_client(

session=instance.session,

extensions=extensions,

http_log_debug=http_log_debug,

region_name=instance.region_name,

**kwargs

)

return client

def build_option_parser(parser):

"""Hook to add global options"""

parser.add_argument(

'--os-volume-api-version',

metavar='<volume-api-version>',

default=utils.env('OS_VOLUME_API_VERSION'),

help=_('Volume API version, default=%s '

'(Env: OS_VOLUME_API_VERSION)') % DEFAULT_API_VERSION

)

return parser