def unplug(self, vif, instance_info):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
if not hasattr(vif, "port_profile"):
raise exception.MissingPortProfile()
if not isinstance(vif.port_profile,
objects.vif.VIFPortProfileOpenVSwitch):
raise exception.WrongPortProfile(
profile=vif.port_profile.__class__.__name__)
v1_name, v2_name = self.get_veth_pair_names(vif)
if linux_net.device_exists(vif.bridge_name):
processutils.execute('brctl', 'delif', vif.bridge_name, v1_name,
run_as_root=True)
processutils.execute('ip', 'link', 'set', vif.bridge_name, 'down',
run_as_root=True)
processutils.execute('brctl', 'delbr', vif.bridge_name,
run_as_root=True)
linux_net.delete_ovs_vif_port(vif.network.bridge, v2_name,
timeout=self.config.ovs_vsctl_timeout)
def _unplug_vhostuser(self, vif, instance_info):
linux_net.delete_ovs_vif_port(vif.network.bridge,
OvsPlugin.gen_port_name(
constants.OVS_VHOSTUSER_PREFIX,
vif.id),
timeout=self.config.ovs_vsctl_timeout,
ovsdb_connection=self.config.ovsdb_connection)
def test_delete_ovs_vif_port_delete_netdev(self, mock_vsctl,
mock_delete_net_dev):
bridge = 'fake-bridge'
dev = 'fake-dev'
timeout = 120
linux_net.delete_ovs_vif_port(bridge, dev, timeout=timeout)
args = ['--', '--if-exists', 'del-port', bridge, dev]
mock_vsctl.assert_called_with(args, timeout=timeout)
mock_delete_net_dev.assert_called()
def _unplug_bridge(self, vif, instance_info):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
v1_name, v2_name = self.get_veth_pair_names(vif)
linux_net.delete_bridge(vif.bridge_name, v1_name)
linux_net.delete_ovs_vif_port(vif.network.bridge, v2_name,
timeout=self.config.ovs_vsctl_timeout)
def _unplug_bridge(self, vif, instance_info):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
v1_name, v2_name = self.get_veth_pair_names(vif)
linux_net.delete_bridge(vif.bridge_name, v1_name)
linux_net.delete_ovs_vif_port(vif.network.bridge, v2_name,
timeout=self.config.ovs_vsctl_timeout,
ovsdb_connection=self.config.ovsdb_connection)
def test_delete_ovs_vif_port(self, mock_vsctl, mock_delete_net_dev):
bridge = 'fake-bridge'
dev = 'fake-dev'
ovsdb_connection = None
timeout = 120
linux_net.delete_ovs_vif_port(bridge,
dev,
ovsdb_connection=ovsdb_connection,
timeout=timeout,
delete_netdev=False)
args = ['--', '--if-exists', 'del-port', bridge, dev]
mock_vsctl.assert_called_with(args,
ovsdb_connection=ovsdb_connection,
timeout=timeout)
mock_delete_net_dev.assert_not_called()
def _unplug_vf_passthrough(self, vif, instance_info):
"""Remove port from OVS."""
pci_slot = vif.dev_address
pf_ifname = linux_net.get_ifname_by_pci_address(pci_slot,
pf_interface=True,
switchdev=True)
vf_num = linux_net.get_vf_num_by_pci_address(pci_slot)
representor = linux_net.get_representor_port(pf_ifname, vf_num)
# The representor interface can't be deleted because it bind the
# SR-IOV VF, therefore we just need to remove it from the ovs bridge
# and set the status to down
linux_net.delete_ovs_vif_port(vif.network.bridge,
representor,
delete_netdev=False)
linux_net.set_interface_state(representor, 'down')
def unplug(self, vif):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
br_name = vif.br_name
v1_name, v2_name = vif.veth_pair_names
if linux_net.device_exists(br_name):
processutils.execute('brctl', 'delif', br_name, v1_name,
run_as_root=True)
processutils.execute('ip', 'link', 'set', br_name, 'down',
run_as_root=True)
processutils.execute('brctl', 'delbr', br_name,
run_as_root=True)
linux_net.delete_ovs_vif_port(vif.bridge_name, v2_name)
def _post_unplug_wiring_delete_veth(instance, vif):
"""Wire/plug the virtual interface for the instance into the bridge that
lxd is using.
:param instance: the instance to plug into the bridge
:type instance: ???
:param vif: the virtual interface to plug into the bridge
:type vif: :class:`nova.network.model.VIF`
"""
v1_name = get_vif_devname(vif)
try:
if _is_ovs_vif_port(vif):
linux_net.delete_ovs_vif_port(vif['network']['bridge'], v1_name,
True)
else:
network_utils.delete_net_dev(v1_name)
except processutils.ProcessExecutionError:
LOG.exception("Failed to delete veth for vif {}".foramt(vif),
instance=instance)
def _unplug_vif_windows(self, vif, instance_info):
"""Remove port from OVS."""
linux_net.delete_ovs_vif_port(vif.network.bridge, vif.id,
timeout=self.config.ovs_vsctl_timeout,
ovsdb_connection=self.config.ovsdb_connection)
def _unplug_vif_windows(self, vif, instance_info):
"""Remove port from OVS."""
linux_net.delete_ovs_vif_port(vif.network.bridge, vif.id,
timeout=self.config.ovs_vsctl_timeout)
def _unplug_vhostuser(self, vif, instance_info):
linux_net.delete_ovs_vif_port(vif.network.bridge,
OvsPlugin.gen_port_name(
constants.OVS_VHOSTUSER_PREFIX,
vif.id),
timeout=self.config.ovs_vsctl_timeout)
def _unplug_vhostuser(self, vif, instance_info):
linux_net.delete_ovs_vif_port(vif.network.bridge,
OvsPlugin.gen_port_name("vhu", vif.id),
timeout=self.config.ovs_vsctl_timeout)
