196 lines
7.3 KiB
Python
196 lines
7.3 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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from cinderclient import client as cinder_client
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from glanceclient import client as glance_client
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from keystoneauth1 import session
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from keystoneauth1 import token_endpoint
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from novaclient import api_versions
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from novaclient import client as nova_client
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import openstack
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_utils import excutils
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from octavia.common import keystone
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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GLANCE_VERSION = '2'
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NOVA_VERSION = '2.15'
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CINDER_VERSION = '3'
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class NovaAuth(object):
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nova_client = None
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@classmethod
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def get_nova_client(cls, region, service_name=None, endpoint=None,
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endpoint_type='publicURL', insecure=False,
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cacert=None):
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"""Create nova client object.
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:param region: The region of the service
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:param service_name: The name of the nova service in the catalog
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:param endpoint: The endpoint of the service
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:param endpoint_type: The type of the endpoint
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:param insecure: Turn off certificate validation
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:param cacert: CA Cert file path
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:return: a Nova Client object.
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:raises Exception: if the client cannot be created
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"""
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ksession = keystone.KeystoneSession()
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if not cls.nova_client:
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kwargs = {'region_name': region,
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'session': ksession.get_session(),
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'endpoint_type': endpoint_type,
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'insecure': insecure}
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if service_name:
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kwargs['service_name'] = service_name
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if endpoint:
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kwargs['endpoint_override'] = endpoint
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if cacert:
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kwargs['cacert'] = cacert
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try:
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cls.nova_client = nova_client.Client(
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version=api_versions.APIVersion(NOVA_VERSION), **kwargs)
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.exception("Error creating Nova client.")
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return cls.nova_client
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class NeutronAuth(object):
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neutron_client = None
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@classmethod
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def get_neutron_client(cls):
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"""Create neutron client object."""
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ksession = keystone.KeystoneSession('neutron')
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if not cls.neutron_client:
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sess = ksession.get_session()
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kwargs = {}
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if CONF.neutron.endpoint_override:
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kwargs['network_endpoint_override'] = (
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CONF.neutron.endpoint_override)
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conn = openstack.connection.Connection(
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session=sess, **kwargs)
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cls.neutron_client = conn
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return cls.neutron_client
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@classmethod
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def get_user_neutron_client(cls, context):
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"""Get neutron client for request user.
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It's possible that the token in the context is a trust scoped
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which can't be used to initialize a keystone session.
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We directly use the token and endpoint_url to initialize neutron
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client.
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"""
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sess = keystone.KeystoneSession('neutron').get_session()
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neutron_endpoint = CONF.neutron.endpoint_override
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if neutron_endpoint is None:
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endpoint_data = sess.get_endpoint_data(
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service_type='network',
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interface=CONF.neutron.valid_interfaces,
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region_name=CONF.neutron.region_name)
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neutron_endpoint = endpoint_data.catalog_url
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user_auth = token_endpoint.Token(neutron_endpoint, context.auth_token)
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user_sess = session.Session(auth=user_auth)
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conn = openstack.connection.Connection(
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session=user_sess, oslo_conf=CONF)
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return conn.network
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class GlanceAuth(object):
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glance_client = None
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@classmethod
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def get_glance_client(cls, region, service_name=None, endpoint=None,
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endpoint_type='publicURL', insecure=False,
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cacert=None):
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"""Create glance client object.
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:param region: The region of the service
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:param service_name: The name of the glance service in the catalog
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:param endpoint: The endpoint of the service
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:param endpoint_type: The endpoint_type of the service
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:param insecure: Turn off certificate validation
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:param cacert: CA Cert file path
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:return: a Glance Client object.
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:raises Exception: if the client cannot be created
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"""
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ksession = keystone.KeystoneSession()
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if not cls.glance_client:
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kwargs = {'region_name': region,
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'session': ksession.get_session(),
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'interface': endpoint_type}
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if service_name:
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kwargs['service_name'] = service_name
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if endpoint:
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kwargs['endpoint'] = endpoint
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if endpoint.startswith("https"):
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kwargs['insecure'] = insecure
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kwargs['cacert'] = cacert
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try:
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cls.glance_client = glance_client.Client(
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GLANCE_VERSION, **kwargs)
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.exception("Error creating Glance client.")
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return cls.glance_client
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class CinderAuth(object):
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cinder_client = None
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@classmethod
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def get_cinder_client(cls, region, service_name=None, endpoint=None,
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endpoint_type='publicURL', insecure=False,
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cacert=None):
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"""Create cinder client object.
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:param region: The region of the service
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:param service_name: The name of the cinder service in the catalog
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:param endpoint: The endpoint of the service
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:param endpoint_type: The endpoint type of the service
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:param insecure: Turn off certificate validation
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:param cacert: CA Cert file path
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:return: a Cinder Client object
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:raise Exception: if the client cannot be created
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"""
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ksession = keystone.KeystoneSession()
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if not cls.cinder_client:
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kwargs = {'region_name': region,
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'session': ksession.get_session(),
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'interface': endpoint_type}
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if service_name:
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kwargs['service_name'] = service_name
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if endpoint:
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kwargs['endpoint'] = endpoint
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if endpoint.startswith("https"):
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kwargs['insecure'] = insecure
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kwargs['cacert'] = cacert
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try:
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cls.cinder_client = cinder_client.Client(
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CINDER_VERSION, **kwargs
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)
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.exception("Error creating Cinder client.")
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return cls.cinder_client
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