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# Copyright 2012 OpenStack Foundation
# All Rights Reserved
#
# 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.
#
# Copied partially from nova
import concurrent.futures
from neutronclient.common import exceptions as neutron_exceptions
from neutronclient.v2_0 import client as clientv20
from oslo_config import cfg
from oslo_log import log as logging
from designate import exceptions
from designate.network_api import base
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
def get_client(context, endpoint):
params = {
'endpoint_url': endpoint,
'timeout': CONF['network_api:neutron'].timeout,
'insecure': CONF['network_api:neutron'].insecure,
'ca_cert': CONF['network_api:neutron'].ca_certificates_file,
}
if context.auth_token:
params['token'] = context.auth_token
params['auth_strategy'] = None
elif CONF['network_api:neutron'].admin_username is not None:
params['username'] = CONF['network_api:neutron'].admin_username
params['project_name'] = CONF['network_api:neutron'].admin_tenant_name
params['password'] = CONF['network_api:neutron'].admin_password
params['auth_url'] = CONF['network_api:neutron'].auth_url
params['auth_strategy'] = CONF['network_api:neutron'].auth_strategy
return clientv20.Client(**params)
class NeutronNetworkAPI(base.NetworkAPI):
"""
Interact with the Neutron API
"""
__plugin_name__ = 'neutron'
def list_floatingips(self, context, region=None):
"""
Get floating ips based on the current context from Neutron
"""
endpoints = self._endpoints(
service_catalog=context.service_catalog,
service_type='network',
endpoint_type=CONF['network_api:neutron'].endpoint_type,
config_section='network_api:neutron',
region=region
)
floating_ips = []
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
executors = [
executor.submit(
self._get_floating_ips,
context,
endpoint,
region,
project_id=context.project_id
) for endpoint, region in endpoints
]
for future in concurrent.futures.as_completed(executors):
try:
floating_ips.extend(future.result())
except Exception as e:
raise exceptions.NeutronCommunicationFailure(e)
return floating_ips
@staticmethod
def _get_floating_ips(context, endpoint, region, project_id):
LOG.debug('Fetching floating ips from %(region)s @ %(endpoint)s',
{'region': region, 'endpoint': endpoint})
client = get_client(context, endpoint=endpoint)
try:
fips = client.list_floatingips(project_id=project_id)
for fip in fips['floatingips']:
yield {
'id': fip['id'],
'address': fip['floating_ip_address'],
'region': region
}
except neutron_exceptions.Unauthorized:
LOG.warning(
'Failed fetching floating ips from %(region)s @ %(endpoint)s'
'due to an Unauthorized error',
{'region': region, 'endpoint': endpoint}
)
except Exception:
LOG.error(
'Failed fetching floating ips from %(region)s @ %(endpoint)s',
{'region': region, 'endpoint': endpoint}
)
raise
return
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