116 lines
3.8 KiB
Python
116 lines
3.8 KiB
Python
# Copyright (c) 2013 Hortonworks, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from neutronclient.common import exceptions as n_ex
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from neutronclient.neutron import client as neutron_cli
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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 sahara import exceptions as ex
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from sahara.i18n import _
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from sahara.service import sessions
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from sahara.utils.openstack import base
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from sahara.utils.openstack import keystone
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opts = [
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cfg.BoolOpt('api_insecure',
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default=False,
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help='Allow to perform insecure SSL requests to neutron.'),
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cfg.StrOpt('ca_file',
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help='Location of ca certificates file to use for neutron '
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'client requests.'),
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cfg.StrOpt("endpoint_type",
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default="internalURL",
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help="Endpoint type for neutron client requests")
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]
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neutron_group = cfg.OptGroup(name='neutron',
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title='Neutron client options')
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CONF = cfg.CONF
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CONF.register_group(neutron_group)
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CONF.register_opts(opts, group=neutron_group)
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LOG = logging.getLogger(__name__)
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def client(auth=None):
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if not auth:
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auth = keystone.auth()
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session = sessions.cache().get_session(sessions.SESSION_TYPE_NEUTRON)
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neutron = neutron_cli.Client('2.0', session=session, auth=auth,
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endpoint_type=CONF.neutron.endpoint_type,
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region_name=CONF.os_region_name)
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return neutron
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class NeutronClient(object):
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neutron = None
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routers = {}
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def __init__(self, network, token, tenant_name, auth=None):
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if not auth:
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auth = keystone.token_auth(token=token, project_name=tenant_name)
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self.neutron = client(auth)
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self.network = network
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def get_router(self):
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matching_router = NeutronClient.routers.get(self.network, None)
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if matching_router:
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LOG.debug('Returning cached qrouter')
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return matching_router['id']
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routers = self.neutron.list_routers()['routers']
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for router in routers:
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device_id = router['id']
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ports = base.execute_with_retries(
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self.neutron.list_ports, device_id=device_id)['ports']
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port = next((port for port in ports
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if port['network_id'] == self.network), None)
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if port:
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matching_router = router
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NeutronClient.routers[self.network] = matching_router
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break
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if not matching_router:
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raise ex.SystemError(_('Neutron router corresponding to network '
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'%s is not found') % self.network)
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return matching_router['id']
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def get_private_network_cidrs(cluster):
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neutron_client = client()
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private_net = base.execute_with_retries(neutron_client.show_network,
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cluster.neutron_management_network)
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cidrs = []
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for subnet_id in private_net['network']['subnets']:
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subnet = base.execute_with_retries(
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neutron_client.show_subnet, subnet_id)
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cidrs.append(subnet['subnet']['cidr'])
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return cidrs
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def get_network(id):
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try:
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return base.execute_with_retries(
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client().find_resource_by_id, 'network', id)
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except n_ex.NotFound:
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return None
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