75 lines
3.3 KiB
Python
75 lines
3.3 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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from oslo_concurrency import processutils
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from kuryr.lib.binding.drivers import utils
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from kuryr.lib import constants
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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 port under binding is
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running inside this instance (either ipvlan/macvlan or
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a subport)
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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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pf_ifname = kwargs['pf_ifname']
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vf_num = kwargs['vf_num']
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mac_addr = port[utils.MAC_ADDRESS_KEY]
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vlan = port[constants.VIF_DETAILS_KEY][constants.VIF_DETAILS_VLAN_KEY]
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_set_vf_interface_vlan(pf_ifname, vf_num, mac_addr, vlan)
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return None, None, ('', None)
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def port_unbind(endpoint_id, neutron_port, **kwargs):
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"""Unbinds the Neutron port from the network interface on the host.
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:param endpoint_id: the ID of the Docker container as string
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:param neutron_port: a port dictionary returned from python-neutronclient
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:param kwargs: Additional driver-specific arguments
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:returns: the tuple of stdout and stderr returned by processutils.execute
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invoked with the executable script for unbinding
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:raises: processutils.ProcessExecutionError, pyroute2.NetlinkError
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"""
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pf_ifname = kwargs['pf_ifname']
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vf_num = kwargs['vf_num']
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mac_addr = neutron_port[utils.MAC_ADDRESS_KEY]
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_set_vf_interface_vlan(pf_ifname, vf_num, mac_addr)
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return '', None
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def _set_vf_interface_vlan(pf_ifname, vf_num, mac_addr, vlan=0):
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exit_code = [0, 2, 254]
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processutils.execute('ip', 'link', 'set', pf_ifname,
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'vf', vf_num,
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'mac', mac_addr,
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'vlan', vlan,
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run_as_root=True,
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check_exit_code=exit_code)
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