61 lines
2.2 KiB
Python
61 lines
2.2 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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import abc
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import six
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from kuryr.lib.binding.drivers import utils
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from kuryr.lib import exceptions
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from kuryr_libnetwork import app
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from kuryr_libnetwork import config
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from kuryr_libnetwork.port_driver import driver
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@six.add_metaclass(abc.ABCMeta)
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class BaseNestedDriver(driver.Driver):
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"""Driver for container-in-VM deployments with MACVLAN and IPVLAN."""
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def __init__(self):
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self.link_iface = config.CONF.binding.link_iface
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def _get_port_from_host_iface(self, ifname):
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"""Returns the Neutron port associated to ifname or raises otherwise.
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Returns the Neutron port associated to ifname if such port exists, a
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exceptions.KuryrException if it does not,
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n_exceptions.NeutronClientException on errors.
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:returns: a Neutron port dictionary as returned by
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python-neutronclient or None
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:raises: exceptions.KuryrException
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neutronclient.common.exceptions.NeutronClientException
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"""
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ip = utils.get_ipdb()
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mac_address = ip.interfaces.get(ifname, {}).get('address', None)
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if mac_address:
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ports = app.neutron.list_ports(mac_address=mac_address)
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if ports['ports']:
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return ports['ports'][0]
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raise exceptions.KuryrException("Cannot find a Neutron port "
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"associated to interface name {0}".format(ifname))
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def get_container_iface_name(self, neutron_port):
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"""Returns interface name of a container in the default namespace.
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:param neutron_port: The neutron port
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:returns: interface name as string.
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"""
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_, container_iface_name = utils.get_veth_pair_names(neutron_port['id'])
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return container_iface_name
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