233 lines
9.0 KiB
Python
233 lines
9.0 KiB
Python
# Copyright 2014 - Rackspace Hosting.
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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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from barbicanclient.v1 import client as barbicanclient
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from cinderclient.v3 import client as cinder_client
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from glanceclient import client as glanceclient
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from heatclient import client as heatclient
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from keystoneauth1.exceptions import catalog
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from neutronclient.v2_0 import client as neutronclient
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from novaclient import client as novaclient
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from octaviaclient.api.v2 import octavia
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from oslo_log import log as logging
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from magnum.common import exception
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from magnum.common import keystone
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import magnum.conf
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CONF = magnum.conf.CONF
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LOG = logging.getLogger(__name__)
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class OpenStackClients(object):
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"""Convenience class to create and cache client instances."""
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def __init__(self, context):
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self.context = context
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self._keystone = None
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self._heat = None
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self._glance = None
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self._barbican = None
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self._nova = None
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self._neutron = None
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self._octavia = None
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self._cinder = None
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def url_for(self, **kwargs):
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return self.keystone().session.get_endpoint(**kwargs)
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def magnum_url(self):
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endpoint_type = self._get_client_option('magnum', 'endpoint_type')
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region_name = self._get_client_option('magnum', 'region_name')
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try:
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return self.url_for(service_type='container-infra',
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interface=endpoint_type,
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region_name=region_name)
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except catalog.EndpointNotFound:
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url = self.url_for(service_type='container',
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interface=endpoint_type,
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region_name=region_name)
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LOG.warning('Service type "container" is deprecated and will '
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'be removed in a subsequent release')
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return url
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def cinder_region_name(self):
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cinder_region_name = self._get_client_option('cinder', 'region_name')
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return self.keystone().get_validate_region_name(cinder_region_name)
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@property
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def auth_url(self):
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return self.keystone().auth_url
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@property
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def auth_token(self):
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return self.context.auth_token or self.keystone().auth_token
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def keystone(self):
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if self._keystone:
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return self._keystone
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self._keystone = keystone.KeystoneClientV3(self.context)
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return self._keystone
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def _get_client_option(self, client, option):
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return getattr(getattr(CONF, '%s_client' % client), option)
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@exception.wrap_keystone_exception
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def octavia(self):
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if self._octavia:
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return self._octavia
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region_name = self._get_client_option('octavia', 'region_name')
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endpoint_type = self._get_client_option('octavia', 'endpoint_type')
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endpoint = self.url_for(service_type='load-balancer',
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interface=endpoint_type,
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region_name=region_name)
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session = self.keystone().session
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return octavia.OctaviaAPI(session=session,
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service_type='load-balancer',
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endpoint=endpoint)
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@exception.wrap_keystone_exception
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def heat(self):
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if self._heat:
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return self._heat
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endpoint_type = self._get_client_option('heat', 'endpoint_type')
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region_name = self._get_client_option('heat', 'region_name')
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heatclient_version = self._get_client_option('heat', 'api_version')
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endpoint = self.url_for(service_type='orchestration',
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interface=endpoint_type,
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region_name=region_name)
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args = {
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'endpoint': endpoint,
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'auth_url': self.auth_url,
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'token': self.auth_token,
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'username': None,
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'password': None,
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'ca_file': self._get_client_option('heat', 'ca_file'),
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'cert_file': self._get_client_option('heat', 'cert_file'),
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'key_file': self._get_client_option('heat', 'key_file'),
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'insecure': self._get_client_option('heat', 'insecure')
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}
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self._heat = heatclient.Client(heatclient_version, **args)
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return self._heat
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@exception.wrap_keystone_exception
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def glance(self):
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if self._glance:
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return self._glance
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endpoint_type = self._get_client_option('glance', 'endpoint_type')
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region_name = self._get_client_option('glance', 'region_name')
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glanceclient_version = self._get_client_option('glance', 'api_version')
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endpoint = self.url_for(service_type='image',
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interface=endpoint_type,
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region_name=region_name)
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args = {
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'endpoint': endpoint,
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'auth_url': self.auth_url,
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'token': self.auth_token,
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'username': None,
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'password': None,
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'cacert': self._get_client_option('glance', 'ca_file'),
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'cert': self._get_client_option('glance', 'cert_file'),
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'key': self._get_client_option('glance', 'key_file'),
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'insecure': self._get_client_option('glance', 'insecure')
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}
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self._glance = glanceclient.Client(glanceclient_version, **args)
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return self._glance
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@exception.wrap_keystone_exception
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def barbican(self):
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if self._barbican:
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return self._barbican
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endpoint_type = self._get_client_option('barbican', 'endpoint_type')
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region_name = self._get_client_option('barbican', 'region_name')
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endpoint = self.url_for(service_type='key-manager',
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interface=endpoint_type,
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region_name=region_name)
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session = self.keystone().session
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self._barbican = barbicanclient.Client(session=session,
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endpoint=endpoint)
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return self._barbican
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@exception.wrap_keystone_exception
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def nova(self):
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if self._nova:
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return self._nova
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endpoint_type = self._get_client_option('nova', 'endpoint_type')
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region_name = self._get_client_option('nova', 'region_name')
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novaclient_version = self._get_client_option('nova', 'api_version')
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endpoint = self.url_for(service_type='compute',
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interface=endpoint_type,
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region_name=region_name)
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args = {
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'cacert': self._get_client_option('nova', 'ca_file'),
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'insecure': self._get_client_option('nova', 'insecure')
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}
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session = self.keystone().session
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self._nova = novaclient.Client(novaclient_version,
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session=session,
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endpoint_override=endpoint, **args)
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return self._nova
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@exception.wrap_keystone_exception
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def neutron(self):
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if self._neutron:
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return self._neutron
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endpoint_type = self._get_client_option('neutron', 'endpoint_type')
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region_name = self._get_client_option('neutron', 'region_name')
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endpoint = self.url_for(service_type='network',
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interface=endpoint_type,
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region_name=region_name)
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args = {
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'auth_url': self.auth_url,
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'token': self.auth_token,
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'endpoint_url': endpoint,
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'endpoint_type': endpoint_type,
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'ca_cert': self._get_client_option('neutron', 'ca_file'),
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'insecure': self._get_client_option('neutron', 'insecure')
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}
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self._neutron = neutronclient.Client(**args)
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return self._neutron
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@exception.wrap_keystone_exception
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def cinder(self):
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if self._cinder:
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return self._cinder
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endpoint_type = self._get_client_option('cinder', 'endpoint_type')
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region_name = self._get_client_option('cinder', 'region_name')
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cinderclient_version = self._get_client_option('cinder', 'api_version')
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endpoint = self.url_for(service_type='block-storage',
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interface=endpoint_type,
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region_name=region_name)
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args = {
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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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session = self.keystone().session
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self._cinder = cinder_client.Client(cinderclient_version,
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session=session,
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endpoint_override=endpoint, **args)
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return self._cinder
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