35ba1d8f13
Black used with the '-l 79 -S' flags. A future change will ignore this commit in git-blame history by adding a 'git-blame-ignore-revs' file. Change-Id: Ic318617c67ab7ce6527f9016b759a1d4b0b80802 Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
153 lines
4.6 KiB
Python
153 lines
4.6 KiB
Python
# Copyright 2012-2013 OpenStack Foundation
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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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#
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import logging
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from osc_lib import exceptions
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from osc_lib import utils
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from openstackclient.i18n import _
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LOG = logging.getLogger(__name__)
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DEFAULT_API_VERSION = '3'
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API_VERSION_OPTION = 'os_volume_api_version'
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API_NAME = "volume"
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API_VERSIONS = {
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"1": "cinderclient.v1.client.Client",
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"2": "cinderclient.v2.client.Client",
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"3": "cinderclient.v3.client.Client",
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}
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# Save the microversion if in use
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_volume_api_version = None
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def make_client(instance):
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"""Returns a volume service client."""
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# Defer client imports until we actually need them
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from cinderclient import extension
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from cinderclient.v3.contrib import list_extensions
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from cinderclient.v3 import volume_snapshots
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from cinderclient.v3 import volumes
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# Check whether the available cinderclient supports v1 or v2
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try:
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from cinderclient.v1 import services # noqa
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except Exception:
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del API_VERSIONS['1']
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try:
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from cinderclient.v2 import services # noqa
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except Exception:
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del API_VERSIONS['2']
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if _volume_api_version is not None:
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version = _volume_api_version
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else:
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version = instance._api_version[API_NAME]
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from cinderclient import api_versions
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# convert to APIVersion object
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version = api_versions.get_api_version(version)
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if version.ver_major == '1':
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# Monkey patch for v1 cinderclient
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volumes.Volume.NAME_ATTR = 'display_name'
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volume_snapshots.Snapshot.NAME_ATTR = 'display_name'
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volume_client = utils.get_client_class(
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API_NAME, version.ver_major, API_VERSIONS
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)
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LOG.debug('Instantiating volume client: %s', volume_client)
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# Set client http_log_debug to True if verbosity level is high enough
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http_log_debug = utils.get_effective_log_level() <= logging.DEBUG
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extensions = [extension.Extension('list_extensions', list_extensions)]
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# Remember interface only if it is set
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kwargs = utils.build_kwargs_dict('endpoint_type', instance.interface)
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endpoint_override = instance.sdk_connection.config.get_endpoint(
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'block-storage'
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)
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client = volume_client(
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session=instance.session,
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extensions=extensions,
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http_log_debug=http_log_debug,
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region_name=instance.region_name,
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endpoint_override=endpoint_override,
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api_version=version,
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**kwargs
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)
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return client
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def build_option_parser(parser):
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"""Hook to add global options"""
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parser.add_argument(
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'--os-volume-api-version',
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metavar='<volume-api-version>',
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default=utils.env('OS_VOLUME_API_VERSION'),
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help=_(
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'Volume API version, default=%s ' '(Env: OS_VOLUME_API_VERSION)'
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)
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% DEFAULT_API_VERSION,
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)
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return parser
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def check_api_version(check_version):
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"""Validate version supplied by user
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Returns:
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* True if version is OK
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* False if the version has not been checked and the previous plugin
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check should be performed
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* throws an exception if the version is no good
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"""
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# Defer client imports until we actually need them
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from cinderclient import api_versions
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global _volume_api_version
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# Copy some logic from novaclient 3.3.0 for basic version detection
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# NOTE(dtroyer): This is only enough to resume operations using API
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# version 3.0 or any valid version supplied by the user.
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_volume_api_version = api_versions.get_api_version(check_version)
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# Bypass X.latest format microversion
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if not _volume_api_version.is_latest():
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if _volume_api_version > api_versions.APIVersion("3.0"):
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if not _volume_api_version.matches(
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api_versions.MIN_VERSION,
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api_versions.MAX_VERSION,
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):
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msg = _("versions supported by client: %(min)s - %(max)s") % {
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"min": api_versions.MIN_VERSION,
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"max": api_versions.MAX_VERSION,
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}
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raise exceptions.CommandError(msg)
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return True
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return False
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