62 lines
2.7 KiB
Python
62 lines
2.7 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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"""For now it only supports container-in-vm deployments"""
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from kuryr.lib.binding.drivers import nested
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from kuryr.lib.binding.drivers import utils
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KIND = 'macvlan'
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# We use the bridge mode for simplicity and proximity to the usual
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# container bridged networking
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MACVLAN_MODE_BRIDGE = 'bridge'
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def port_bind(endpoint_id, port, subnets, network=None, vm_port=None,
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segmentation_id=None, **kwargs):
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"""Binds the Neutron port to the network interface on the host.
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:param endpoint_id: the ID of the endpoint as string
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:param port: the container Neutron port dictionary as returned by
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python-neutronclient
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:param subnets: an iterable of all the Neutron subnets which the
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endpoint is trying to join
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:param network: the Neutron network which the endpoint is trying to
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join
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:param vm_port: the Nova instance port dictionary, as returned by
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python-neutronclient. Container is running inside
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instance.
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:param segmentation_id: ID of the segment for container traffic isolation)
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:param kwargs: Additional driver-specific arguments
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:returns: the tuple of the names of the veth pair and the tuple of stdout
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and stderr returned by processutils.execute invoked with the
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executable script for binding
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:raises: kuryr.common.exceptions.VethCreationFailure,
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processutils.ProcessExecutionError
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"""
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ip = utils.get_ipdb()
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port_id = port['id']
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_, devname = utils.get_veth_pair_names(port_id)
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link_iface = nested.get_link_iface(vm_port)
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mtu = utils.get_mtu_from_network(network)
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with ip.create(ifname=devname, kind=KIND,
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link=ip.interfaces[link_iface],
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macvlan_mode=MACVLAN_MODE_BRIDGE) as container_iface:
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utils._configure_container_iface(
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container_iface, subnets,
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fixed_ips=port.get(utils.FIXED_IP_KEY),
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mtu=mtu, hwaddr=port[utils.MAC_ADDRESS_KEY].lower())
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return None, devname, ('', None)
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port_unbind = nested.port_unbind
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