96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
#
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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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import logging
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from cinderclient import client as cc
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from cinderclient import exceptions
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from heat.common import exception
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from heat.common.i18n import _
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from heat.common.i18n import _LI
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from heat.engine import clients
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LOG = logging.getLogger(__name__)
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class CinderClientPlugin(clients.client_plugin.ClientPlugin):
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exceptions_module = exceptions
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def get_volume_api_version(self):
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'''Returns the most recent API version.'''
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endpoint_type = self._get_client_option('cinder', 'endpoint_type')
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try:
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self.url_for(service_type='volumev2', endpoint_type=endpoint_type)
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return 2
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except exceptions.EndpointNotFound:
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try:
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self.url_for(service_type='volume',
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endpoint_type=endpoint_type)
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return 1
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except exceptions.EndpointNotFound:
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return None
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def _create(self):
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con = self.context
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volume_api_version = self.get_volume_api_version()
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if volume_api_version == 1:
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service_type = 'volume'
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client_version = '1'
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elif volume_api_version == 2:
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service_type = 'volumev2'
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client_version = '2'
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else:
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raise exception.Error(_('No volume service available.'))
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LOG.info(_LI('Creating Cinder client with volume API version %d.'),
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volume_api_version)
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endpoint_type = self._get_client_option('cinder', 'endpoint_type')
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args = {
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'service_type': service_type,
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'auth_url': con.auth_url or '',
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'project_id': con.tenant,
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'username': None,
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'api_key': None,
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'endpoint_type': endpoint_type,
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'http_log_debug': self._get_client_option('cinder',
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'http_log_debug'),
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'cacert': self._get_client_option('cinder', 'ca_file'),
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'insecure': self._get_client_option('cinder', 'insecure')
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}
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client = cc.Client(client_version, **args)
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management_url = self.url_for(service_type=service_type,
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endpoint_type=endpoint_type)
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client.client.auth_token = self.auth_token
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client.client.management_url = management_url
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client.volume_api_version = volume_api_version
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return client
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def is_not_found(self, ex):
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return isinstance(ex, exceptions.NotFound)
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def is_over_limit(self, ex):
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return isinstance(ex, exceptions.OverLimit)
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def is_conflict(self, ex):
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return (isinstance(ex, exceptions.ClientException) and
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ex.code == 409)
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