heat/heat/engine/clients/os/cinder.py

96 lines
3.2 KiB
Python

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