76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# 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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import argparse
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import logging
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from osc_lib import utils
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LOG = logging.getLogger(__name__)
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DEFAULT_CONTAINER_API_VERSION = "1.1"
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API_VERSION_OPTION = "os_container_api_version"
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API_NAME = "container"
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LAST_KNOWN_API_VERSION = 1
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API_VERSIONS = {
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'1.%d' % i: 'zunclient.v1.client.Client'
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for i in range(1, LAST_KNOWN_API_VERSION + 1)
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}
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API_VERSIONS['1'] = API_VERSIONS[DEFAULT_CONTAINER_API_VERSION]
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def make_client(instance):
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"""Returns a zun service client"""
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zun_client = utils.get_client_class(
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API_NAME,
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instance._api_version[API_NAME],
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API_VERSIONS)
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LOG.debug("Instantiating zun client: {0}".format(
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zun_client))
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client = zun_client(
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os_container_api_version=instance._api_version[API_NAME],
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region_name=instance._region_name,
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session=instance.session,
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service_type='container',
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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-container-api-version',
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metavar='<container-api-version>',
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default=utils.env(
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'OS_CONTAINER_API_VERSION',
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default=DEFAULT_CONTAINER_API_VERSION),
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action=ReplaceLatestVersion,
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choices=sorted(
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API_VERSIONS,
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key=lambda k: [int(x) for x in k.split('.')]) + ['latest'],
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help=("Container API version, default={0}"
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"(Env:OS_CONTAINER_API_VERSION)").format(
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DEFAULT_CONTAINER_API_VERSION))
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return parser
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class ReplaceLatestVersion(argparse.Action):
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"""Replaces `latest` keyword by last known version."""
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def __call__(self, parser, namespace, values, option_string=None):
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latest = values == 'latest'
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if latest:
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values = '1.%d' % LAST_KNOWN_API_VERSION
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LOG.debug("Replacing 'latest' API version with the "
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"latest known version '%s'", values)
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setattr(namespace, self.dest, values)
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