245 lines
9.4 KiB
Python
245 lines
9.4 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 import client as barbicanclient
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from glanceclient.v2 import client as glanceclient
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from heatclient.v1 import client as heatclient
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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 oslo_config import cfg
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from magnum.common import exception
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from magnum.common import keystone
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from magnum.i18n import _
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magnum_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.'))]
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heat_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.')),
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cfg.StrOpt('ca_file',
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help=_('Optional CA cert file to use in SSL connections.')),
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cfg.StrOpt('cert_file',
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help=_('Optional PEM-formatted certificate chain file.')),
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cfg.StrOpt('key_file',
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help=_('Optional PEM-formatted file that contains the '
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'private key.')),
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cfg.BoolOpt('insecure',
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default=False,
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help=_("If set, then the server's certificate will not "
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"be verified."))]
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glance_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.'))]
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barbican_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.'))]
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nova_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.')),
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cfg.StrOpt('api_version',
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default='2',
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help=_('Version of Nova API to use in novaclient.'))]
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neutron_client_opts = [
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cfg.StrOpt('region_name',
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help=_('Region in Identity service catalog to use for '
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'communication with the OpenStack service.')),
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cfg.StrOpt('endpoint_type',
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default='publicURL',
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help=_(
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'Type of endpoint in Identity service catalog to use '
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'for communication with the OpenStack service.'))]
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cfg.CONF.register_opts(magnum_client_opts, group='magnum_client')
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cfg.CONF.register_opts(heat_client_opts, group='heat_client')
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cfg.CONF.register_opts(glance_client_opts, group='glance_client')
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cfg.CONF.register_opts(barbican_client_opts, group='barbican_client')
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cfg.CONF.register_opts(nova_client_opts, group='nova_client')
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cfg.CONF.register_opts(neutron_client_opts, group='neutron_client')
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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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def url_for(self, **kwargs):
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return self.keystone().client.service_catalog.url_for(**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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return self.url_for(service_type='container',
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endpoint_type=endpoint_type,
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region_name=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(cfg.CONF, '%s_client' % client), option)
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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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endpoint = self.url_for(service_type='orchestration',
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endpoint_type=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(**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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endpoint = self.url_for(service_type='image',
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endpoint_type=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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}
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self._glance = glanceclient.Client(**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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endpoint_type=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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endpoint_type=endpoint_type,
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region_name=region_name)
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self._nova = novaclient.Client(novaclient_version,
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auth_token=self.auth_token)
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self._nova.client.management_url = endpoint
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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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endpoint_type=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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}
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self._neutron = neutronclient.Client(**args)
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return self._neutron
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