def port_unbind(endpoint_id, neutron_port, **kwargs):
"""Unbinds the Neutron port from the network interface on the host.
:param endpoint_id: the ID of the Docker container as string
:param neutron_port: a port dictionary returned from python-neutronclient
:param kwargs: Additional driver-specific arguments
:returns: the tuple of stdout and stderr returned by processutils.execute
invoked with the executable script for unbinding
:raises: processutils.ProcessExecutionError, pyroute2.NetlinkError
"""
vif_type = neutron_port.get(constants.VIF_TYPE_KEY,
constants.FALLBACK_VIF_TYPE)
vif_details = lib_utils.string_mappings(neutron_port.get(
constants.VIF_DETAILS_KEY))
unbinding_exec_path = os.path.join(cfg.CONF.bindir, vif_type)
port_id = neutron_port['id']
ifname, _ = utils.get_veth_pair_names(port_id)
mac_address = neutron_port['mac_address']
network_id = neutron_port['network_id']
stdout, stderr = processutils.execute(
unbinding_exec_path, constants.UNBINDING_SUBCOMMAND, port_id, ifname,
endpoint_id, mac_address, vif_details, network_id, run_as_root=True)
try:
utils.remove_device(ifname)
except pyroute2.NetlinkError:
raise exceptions.VethDeletionFailure(
'Deleting the veth pair failed.')
return (stdout, stderr)
def port_unbind(endpoint_id, neutron_port):
"""Unbinds the Neutron port from the network interface on the host.
:param endpoint_id: the ID of the Docker container as string
:param neutron_port: a port dictionary returned from python-neutronclient
:returns: the tuple of stdout and stderr returned by processutils.execute
invoked with the executable script for unbinding
:raises: processutils.ProcessExecutionError, pyroute2.NetlinkError
"""
vif_type = neutron_port.get(constants.VIF_TYPE_KEY,
constants.FALLBACK_VIF_TYPE)
vif_details = lib_utils.string_mappings(neutron_port.get(
constants.VIF_DETAILS_KEY))
unbinding_exec_path = os.path.join(cfg.CONF.bindir, vif_type)
port_id = neutron_port['id']
ifname, _ = utils.get_veth_pair_names(port_id)
mac_address = neutron_port['mac_address']
network_id = neutron_port['network_id']
stdout, stderr = processutils.execute(
unbinding_exec_path, constants.UNBINDING_SUBCOMMAND, port_id, ifname,
endpoint_id, mac_address, vif_details, network_id, run_as_root=True)
try:
utils.remove_device(ifname)
except pyroute2.NetlinkError:
raise exceptions.VethDeletionFailure(
'Deleting the veth pair failed.')
return (stdout, stderr)
def port_bind(endpoint_id, port, subnets, network=None, vm_port=None,
segmentation_id=None, **kwargs):
"""Binds the Neutron port to the network interface on the host.
:param endpoint_id: the ID of the endpoint as string
:param port: the container Neutron port dictionary as returned by
python-neutronclient
:param subnets: an iterable of all the Neutron subnets which the
endpoint is trying to join
:param network: the Neutron network which the endpoint is trying to
join
:param vm_port: the Nova instance port dictionary, as returned by
python-neutronclient. Container port under binding is
running inside this instance (either ipvlan/macvlan or
a subport)
:param segmentation_id: ID of the segment for container traffic isolation)
:param kwargs: Additional driver-specific arguments
:returns: the tuple of the names of the veth pair and the tuple of stdout
and stderr returned by processutils.execute invoked with the
executable script for binding
:raises: kuryr.common.exceptions.VethCreationFailure,
processutils.ProcessExecutionError
"""
ip = utils.get_ipdb()
port_id = port['id']
host_ifname, container_ifname = utils.get_veth_pair_names(port_id)
mtu = utils.get_mtu_from_network(network)
try:
with ip.create(ifname=host_ifname, kind=KIND,
reuse=True, peer=container_ifname) as host_veth:
if not utils.is_up(host_veth):
host_veth.up()
with ip.interfaces[container_ifname] as container_veth:
utils._configure_container_iface(
container_veth, subnets,
fixed_ips=port.get(utils.FIXED_IP_KEY),
mtu=mtu, hwaddr=port[utils.MAC_ADDRESS_KEY].lower())
except pyroute2.CreateException:
raise exceptions.VethCreationFailure(
'Virtual device creation failed.')
except pyroute2.CommitException:
raise exceptions.VethCreationFailure(
'Could not configure the container virtual device networking.')
try:
stdout, stderr = _configure_host_iface(
host_ifname, endpoint_id, port_id,
port['network_id'], port.get('project_id') or port['tenant_id'],
port[utils.MAC_ADDRESS_KEY],
kind=port.get(constants.VIF_TYPE_KEY),
details=port.get(constants.VIF_DETAILS_KEY))
except Exception:
with excutils.save_and_reraise_exception():
utils.remove_device(host_ifname)
return host_ifname, container_ifname, (stdout, stderr)
def port_bind(endpoint_id, port, subnets, network=None, vm_port=None,
segmentation_id=None):
"""Binds the Neutron port to the network interface on the host.
:param endpoint_id: the ID of the endpoint as string
:param port: the container Neutron port dictionary as returned by
python-neutronclient
:param subnets: an iterable of all the Neutron subnets which the
endpoint is trying to join
:param network: the Neutron network which the endpoint is trying to
join
:param vm_port: the Nova instance dictionary, as returned by
python-neutronclient. Container port under binding is
running inside this instance (either ipvlan/macvlan or
a subport)
:param segmentation_id: ID of the segment for container traffic isolation)
:returns: the tuple of the names of the veth pair and the tuple of stdout
and stderr returned by processutils.execute invoked with the
executable script for binding
:raises: kuryr.common.exceptions.VethCreationFailure,
processutils.ProcessExecutionError
"""
ip = utils.get_ipdb()
port_id = port['id']
host_ifname, container_ifname = utils.get_veth_pair_names(port_id)
mtu = utils.get_mtu_from_network(network)
try:
with ip.create(ifname=host_ifname, kind=KIND,
reuse=True, peer=container_ifname) as host_veth:
if not utils.is_up(host_veth):
host_veth.up()
with ip.interfaces[container_ifname] as container_veth:
utils._configure_container_iface(
container_veth, subnets,
fixed_ips=port.get(utils.FIXED_IP_KEY),
mtu=mtu, hwaddr=port[utils.MAC_ADDRESS_KEY].lower())
except pyroute2.CreateException:
raise exceptions.VethCreationFailure(
'Virtual device creation failed.')
except pyroute2.CommitException:
raise exceptions.VethCreationFailure(
'Could not configure the container virtual device networking.')
try:
stdout, stderr = _configure_host_iface(
host_ifname, endpoint_id, port_id,
port['network_id'], port.get('project_id') or port['tenant_id'],
port[utils.MAC_ADDRESS_KEY],
kind=port.get(constants.VIF_TYPE_KEY),
details=port.get(constants.VIF_DETAILS_KEY))
except Exception:
with excutils.save_and_reraise_exception():
utils.remove_device(host_ifname)
return host_ifname, container_ifname, (stdout, stderr)
def port_unbind(endpoint_id, neutron_port):
"""Unbinds the Neutron port from the network interface on the host.
:param endpoint_id: the ID of the Docker container as string
:param neutron_port: a port dictionary returned from python-neutronclient
:returns: the tuple of stdout and stderr returned by processutils.execute
invoked with the executable script for unbinding
:raises: processutils.ProcessExecutionError, pyroute2.NetlinkError
"""
port_id = neutron_port['id']
_, devname = utils.get_veth_pair_names(port_id)
try:
utils.remove_device(devname)
except pyroute2.NetlinkError:
raise exceptions.VethDeletionFailure(
'Failed to delete the container device.')
return '', None
def port_bind(endpoint_id, port, subnets, network=None, nested_port=None):
"""Binds the Neutron port to the network interface on the host.
:param endpoint_id: the ID of the endpoint as string
:param port: the instance Neutron port dictionary as returned by
python-neutronclient
:param subnets: an iterable of all the Neutron subnets which the
endpoint is trying to join
:param network: the Neutron network which the endpoint is trying to
join
:param nested_port: the dictionary, as returned by python-neutronclient,
of the port that that is used when running inside
another instance (either ipvlan/macvlan or a subport)
:returns: the tuple of the names of the veth pair and the tuple of stdout
and stderr returned by processutils.execute invoked with the
executable script for binding
:raises: kuryr.common.exceptions.VethCreationFailure,
processutils.ProcessExecutionError
"""
ip = utils.get_ipdb()
port_id = port['id']
host_ifname, container_ifname = utils.get_veth_pair_names(port_id)
if network is None:
mtu = DEFAULT_NETWORK_MTU
else:
mtu = network.get('mtu', DEFAULT_NETWORK_MTU)
try:
with ip.create(ifname=host_ifname,
kind=KIND,
reuse=True,
peer=container_ifname) as host_veth:
if not utils.is_up(host_veth):
host_veth.up()
with ip.interfaces[container_ifname] as container_veth:
utils._configure_container_iface(
container_veth,
subnets,
fixed_ips=port.get(utils.FIXED_IP_KEY),
mtu=mtu,
hwaddr=port[utils.MAC_ADDRESS_KEY].lower())
except pyroute2.CreateException:
raise exceptions.VethCreationFailure('Virtual device creation failed.')
except pyroute2.CommitException:
raise exceptions.VethCreationFailure(
'Could not configure the container virtual device networking.')
try:
stdout, stderr = _configure_host_iface(
host_ifname,
endpoint_id,
port_id,
port['network_id'],
port['tenant_id'],
port[utils.MAC_ADDRESS_KEY],
kind=port.get(VIF_TYPE_KEY),
details=port.get(VIF_DETAILS_KEY))
except Exception:
with excutils.save_and_reraise_exception():
utils.remove_device(host_ifname)
return host_ifname, container_ifname, (stdout, stderr)
