def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
"""Unplug the interface."""
device = ip_lib.IPDevice(device_name, self.root_helper, namespace)
try:
device.link.delete()
LOG.debug(_("Unplugged interface '%s'"), device_name)
except RuntimeError:
LOG.error(_("Failed unplugging interface '%s'"), device_name)
def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
"""Unplug the interface."""
tap_name = self._get_tap_name(device_name, prefix)
try:
cmd = ['ivs-ctl', 'del-port', tap_name]
utils.execute(cmd, self.root_helper)
device = ip_lib.IPDevice(device_name, self.root_helper, namespace)
device.link.delete()
LOG.debug(_("Unplugged interface '%s'"), device_name)
except RuntimeError:
LOG.error(_("Failed unplugging interface '%s'"), device_name)
def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
# the port will be deleted by the dhcp agent that will call the plugin
device = ip_lib.IPDevice(device_name, self.root_helper, namespace)
try:
device.link.delete()
except RuntimeError:
LOG.error(_("Failed unplugging interface '%s'"), device_name)
LOG.debug(_("Unplugged interface '%s'"), device_name)
ip_lib.IPWrapper(self.root_helper,
namespace).garbage_collect_namespace()
def init_l3(self,
device_name,
ip_cidrs,
namespace=None,
preserve_ips=None,
gateway=None,
extra_subnets=None):
"""Set the L3 settings for the interface using data from the port.
ip_cidrs: list of 'X.X.X.X/YY' strings
preserve_ips: list of ip cidrs that should not be removed from device
"""
if not preserve_ips:
preserve_ips = []
if not extra_subnets:
extra_subnets = []
device = ip_lib.IPDevice(device_name,
self.root_helper,
namespace=namespace)
previous = {}
for address in device.addr.list(scope='global', filters=['permanent']):
previous[address['cidr']] = address['ip_version']
# add new addresses
for ip_cidr in ip_cidrs:
net = netaddr.IPNetwork(ip_cidr)
# Convert to compact IPv6 address because the return values of
# "ip addr list" are compact.
if net.version == 6:
ip_cidr = str(net)
if ip_cidr in previous:
del previous[ip_cidr]
continue
device.addr.add(net.version, ip_cidr, str(net.broadcast))
# clean up any old addresses
for ip_cidr, ip_version in previous.items():
if ip_cidr not in preserve_ips:
device.addr.delete(ip_version, ip_cidr)
if gateway:
device.route.add_gateway(gateway)
new_onlink_routes = set(s['cidr'] for s in extra_subnets)
existing_onlink_routes = set(device.route.list_onlink_routes())
for route in new_onlink_routes - existing_onlink_routes:
device.route.add_onlink_route(route)
for route in existing_onlink_routes - new_onlink_routes:
device.route.delete_onlink_route(route)
def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
"""Unplug the interface."""
if not bridge:
bridge = self.conf.ovs_integration_bridge
tap_name = self._get_tap_name(device_name, prefix)
self.check_bridge_exists(bridge)
ovs = ovs_lib.OVSBridge(bridge, self.root_helper)
try:
ovs.delete_port(tap_name)
if self.conf.ovs_use_veth:
device = ip_lib.IPDevice(device_name, self.root_helper,
namespace)
device.link.delete()
LOG.debug(_("Unplugged interface '%s'"), device_name)
except RuntimeError:
LOG.error(_("Failed unplugging interface '%s'"), device_name)
def _get_device_plugin_tag(self, device_name, namespace=None):
device = ip_lib.IPDevice(device_name, self.conf.root_helper, namespace)
return device.link.alias
def _set_device_plugin_tag(self, network_id, device_name, namespace=None):
plugin_tag = self._get_flavor_by_network_id(network_id)
device = ip_lib.IPDevice(device_name, self.conf.root_helper, namespace)
device.link.set_alias(plugin_tag)