def _delete_linux_bridge(self, qbr_name):
try:
# delete linux bridge qbrxxx
host_network.ip_link_set_dev(self._session, qbr_name, 'down')
host_network.brctl_del_br(self._session, qbr_name)
except Exception:
LOG.debug("Fail to delete linux bridge %s", qbr_name)
def _delete_linux_bridge(self, qbr_name):
try:
# delete linux bridge qbrxxx
host_network.ip_link_set_dev(self._session, qbr_name, 'down')
host_network.brctl_del_br(self._session, qbr_name)
except Exception:
LOG.debug("Fail to delete linux bridge %s", qbr_name)
def _create_veth_pair(self, dev1_name, dev2_name):
"""Create a pair of veth devices with the specified names,
deleting any previous devices with those names.
"""
LOG.debug("Create veth pair, port1:%(qvb)s, port2:%(qvo)s",
{'qvb': dev1_name, 'qvo': dev2_name})
for dev in [dev1_name, dev2_name]:
self._delete_net_dev(dev)
host_network.ip_link_add_veth_pair(self._session, dev1_name, dev2_name)
for dev in [dev1_name, dev2_name]:
host_network.ip_link_set_dev(self._session, dev, 'up')
host_network.ip_link_set_promisc(self._session, dev, 'on')
def _create_veth_pair(self, dev1_name, dev2_name):
"""Create a pair of veth devices with the specified names,
deleting any previous devices with those names.
"""
LOG.debug("Create veth pair, port1:%(qvb)s, port2:%(qvo)s",
{'qvb': dev1_name, 'qvo': dev2_name})
for dev in [dev1_name, dev2_name]:
self._delete_net_dev(dev)
host_network.ip_link_add_veth_pair(self._session, dev1_name, dev2_name)
for dev in [dev1_name, dev2_name]:
host_network.ip_link_set_dev(self._session, dev, 'up')
host_network.ip_link_set_promisc(self._session, dev, 'on')
def _create_linux_bridge(self, vif_rec):
"""create a qbr linux bridge for neutron security group
"""
iface_id = vif_rec['other_config']['neutron-port-id']
linux_br_name = self._get_qbr_name(iface_id)
if not self._device_exists(linux_br_name):
LOG.debug("Create linux bridge %s", linux_br_name)
host_network.brctl_add_br(self._session, linux_br_name)
host_network.brctl_set_fd(self._session, linux_br_name, '0')
host_network.brctl_set_stp(self._session, linux_br_name, 'off')
host_network.ip_link_set_dev(self._session, linux_br_name, 'up')
qvb_name, qvo_name = self._get_veth_pair_names(iface_id)
if not self._device_exists(qvo_name):
self._create_veth_pair(qvb_name, qvo_name)
host_network.brctl_add_if(self._session, linux_br_name, qvb_name)
host_network.ovs_create_port(
self._session, CONF.xenserver.ovs_integration_bridge,
qvo_name, iface_id, vif_rec['MAC'], 'active')
return linux_br_name
def _create_linux_bridge(self, vif_rec):
"""create a qbr linux bridge for neutron security group
"""
iface_id = vif_rec['other_config']['neutron-port-id']
linux_br_name = self._get_qbr_name(iface_id)
if not self._device_exists(linux_br_name):
LOG.debug("Create linux bridge %s", linux_br_name)
host_network.brctl_add_br(self._session, linux_br_name)
host_network.brctl_set_fd(self._session, linux_br_name, '0')
host_network.brctl_set_stp(self._session, linux_br_name, 'off')
host_network.ip_link_set_dev(self._session, linux_br_name, 'up')
qvb_name, qvo_name = self._get_veth_pair_names(iface_id)
if not self._device_exists(qvo_name):
self._create_veth_pair(qvb_name, qvo_name)
host_network.brctl_add_if(self._session, linux_br_name, qvb_name)
host_network.ovs_create_port(
self._session, CONF.xenserver.ovs_integration_bridge,
qvo_name, iface_id, vif_rec['MAC'], 'active')
return linux_br_name