def plug(self, instance, vif):
"""Plug using hybrid strategy
Create a per-VIF linux bridge, then link that bridge to the OVS
integration bridge via a veth device, setting up the other end
of the veth device just like a normal OVS port. Then boot the
VIF on the linux bridge using standard libvirt mechanisms
"""
network, mapping = vif
iface_id = mapping['vif_uuid']
br_name = self.get_br_name(iface_id)
v1_name, v2_name = self.get_veth_pair_names(iface_id)
if not linux_net._device_exists(br_name):
utils.execute('brctl', 'addbr', br_name, run_as_root=True)
utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
if not linux_net._device_exists(v2_name):
linux_net._create_veth_pair(v1_name, v2_name)
utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
self.create_ovs_vif_port(v2_name, iface_id, mapping['mac'],
instance['uuid'])
network['bridge'] = br_name
return self._get_configurations(instance, network, mapping)
def plug(self, instance, vif):
"""Plug using hybrid strategy
Create a per-VIF linux bridge, then link that bridge to the OVS
integration bridge via a veth device, setting up the other end
of the veth device just like a normal OVS port. Then boot the
VIF on the linux bridge using standard libvirt mechanisms
"""
network, mapping = vif
iface_id = mapping['vif_uuid']
br_name = self.get_br_name(iface_id)
v1_name, v2_name = self.get_veth_pair_names(iface_id)
if not linux_net._device_exists(br_name):
utils.execute('brctl', 'addbr', br_name, run_as_root=True)
if not linux_net._device_exists(v2_name):
linux_net._create_veth_pair(v1_name, v2_name)
utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
self.create_ovs_vif_port(v2_name, iface_id, mapping['mac'],
instance['uuid'])
network['bridge'] = br_name
return self._get_configurations(instance, network, mapping)
def plug(self, instance, network, mapping):
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
# Older version of the command 'ip' from the iproute2 package
# don't have support for the tuntap option (lp:882568). If it
# turns out we're on an old version we work around this by using
# tunctl.
try:
# First, try with 'ip'
utils.execute('ip', 'tuntap', 'add', dev, 'mode', 'tap',
run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute('tunctl', '-b', '-t', dev, run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
utils.execute('ovs-vsctl', '--', '--may-exist', 'add-port',
FLAGS.libvirt_ovs_bridge, dev,
'--', 'set', 'Interface', dev,
"external-ids:iface-id=%s" % iface_id,
'--', 'set', 'Interface', dev,
"external-ids:iface-status=active",
'--', 'set', 'Interface', dev,
"external-ids:attached-mac=%s" % mapping['mac'],
run_as_root=True)
result = {
'script': '',
'name': dev,
'mac_address': mapping['mac']}
return result
def plug(self, instance, vif):
network, mapping = vif
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
# Older version of the command 'ip' from the iproute2 package
# don't have support for the tuntap option (lp:882568). If it
# turns out we're on an old version we work around this by using
# tunctl.
try:
# First, try with 'ip'
utils.execute('ip',
'tuntap',
'add',
dev,
'mode',
'tap',
run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute('tunctl', '-b', '-t', dev, run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
utils.execute('ovs-vsctl',
'--',
'--may-exist',
'add-port',
FLAGS.libvirt_ovs_bridge,
dev,
'--',
'set',
'Interface',
dev,
"external-ids:iface-id=%s" % iface_id,
'--',
'set',
'Interface',
dev,
"external-ids:iface-status=active",
'--',
'set',
'Interface',
dev,
"external-ids:attached-mac=%s" % mapping['mac'],
'--',
'set',
'Interface',
dev,
"external-ids:vm-uuid=%s" % instance['uuid'],
run_as_root=True)
conf = config.LibvirtConfigGuestInterface()
if FLAGS.libvirt_use_virtio_for_bridges:
conf.model = "virtio"
conf.net_type = "ethernet"
conf.target_dev = dev
conf.script = ""
conf.mac_addr = mapping['mac']
return conf
def plug(self, instance, network, mapping):
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
# Older version of the command 'ip' from the iproute2 package
# don't have support for the tuntap option (lp:882568). If it
# turns out we're on an old version we work around this by using
# tunctl.
try:
# First, try with 'ip'
utils.execute('ip', 'tuntap', 'add', dev, 'mode', 'tap',
run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute('tunctl', '-b', '-t', dev, run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
utils.execute('ovs-vsctl', '--', '--may-exist', 'add-port',
FLAGS.libvirt_ovs_bridge, dev,
'--', 'set', 'Interface', dev,
"external-ids:iface-id=%s" % iface_id,
'--', 'set', 'Interface', dev,
"external-ids:iface-status=active",
'--', 'set', 'Interface', dev,
"external-ids:attached-mac=%s" % mapping['mac'],
run_as_root=True)
result = {
'script': '',
'name': dev,
'mac_address': mapping['mac']}
return result
def plug(self, instance, vif):
network, mapping = vif
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
# Older version of the command 'ip' from the iproute2 package
# don't have support for the tuntap option (lp:882568). If it
# turns out we're on an old version we work around this by using
# tunctl.
try:
# First, try with 'ip'
utils.execute('ip', 'tuntap', 'add', dev, 'mode', 'tap',
run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute('tunctl', '-b', '-t', dev, run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
self.create_ovs_vif_port(dev, iface_id, mapping['mac'],
instance['uuid'])
conf = vconfig.LibvirtConfigGuestInterface()
if CONF.libvirt_use_virtio_for_bridges:
conf.model = "virtio"
conf.net_type = "ethernet"
conf.target_dev = dev
conf.script = ""
conf.mac_addr = mapping['mac']
return conf
def plug(self, instance, network, mapping):
vif_id = str(instance["id"]) + "-" + str(network["id"])
dev = "tap-%s" % vif_id
iface_id = "nova-" + vif_id
if not linux_net._device_exists(dev):
utils.execute("sudo", "ip", "tuntap", "add", dev, "mode", "tap")
utils.execute("sudo", "ip", "link", "set", dev, "up")
utils.execute(
"sudo",
"ovs-vsctl",
"--",
"--may-exist",
"add-port",
FLAGS.libvirt_ovs_bridge,
dev,
"--",
"set",
"Interface",
dev,
"external-ids:iface-id=%s" % iface_id,
"--",
"set",
"Interface",
dev,
"external-ids:iface-status=active",
"--",
"set",
"Interface",
dev,
"external-ids:attached-mac=%s" % mapping["mac"],
)
result = {"script": "", "name": dev, "mac_address": mapping["mac"]}
return result
def plug(self, instance, vif):
network, mapping = vif
iface_id = mapping["vif_uuid"]
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
# Older version of the command 'ip' from the iproute2 package
# don't have support for the tuntap option (lp:882568). If it
# turns out we're on an old version we work around this by using
# tunctl.
try:
# First, try with 'ip'
utils.execute("ip", "tuntap", "add", dev, "mode", "tap", run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute("tunctl", "-b", "-t", dev, run_as_root=True)
utils.execute("ip", "link", "set", dev, "up", run_as_root=True)
utils.execute(
"ovs-vsctl",
"--",
"--may-exist",
"add-port",
FLAGS.libvirt_ovs_bridge,
dev,
"--",
"set",
"Interface",
dev,
"external-ids:iface-id=%s" % iface_id,
"--",
"set",
"Interface",
dev,
"external-ids:iface-status=active",
"--",
"set",
"Interface",
dev,
"external-ids:attached-mac=%s" % mapping["mac"],
"--",
"set",
"Interface",
dev,
"external-ids:vm-uuid=%s" % instance["uuid"],
run_as_root=True,
)
conf = config.LibvirtConfigGuestInterface()
conf.net_type = "ethernet"
conf.target_dev = dev
conf.script = ""
conf.mac_addr = mapping["mac"]
return conf
def plug(self, instance, network, mapping):
vif_id = str(instance['id']) + "-" + str(network['id'])
dev = "tap-%s" % vif_id
iface_id = "nova-" + vif_id
if not linux_net._device_exists(dev):
utils.execute('sudo', 'ip', 'tuntap', 'add', dev, 'mode', 'tap')
utils.execute('sudo', 'ip', 'link', 'set', dev, 'up')
utils.execute('sudo', 'ovs-vsctl', '--', '--may-exist', 'add-port',
FLAGS.libvirt_ovs_bridge, dev, '--', 'set', 'Interface',
dev, "external-ids:iface-id=%s" % iface_id, '--', 'set',
'Interface', dev, "external-ids:iface-status=active",
'--', 'set', 'Interface', dev,
"external-ids:attached-mac=%s" % mapping['mac'])
result = {'script': '', 'name': dev, 'mac_address': mapping['mac']}
return result
def plug(self, instance, network, mapping):
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
try:
# First, try with 'ip'
utils.execute('ip', 'tuntap', 'add', dev, 'mode', 'tap',
run_as_root=True)
except exception.ProcessExecutionError:
# Second option: tunctl
utils.execute('tunctl', '-b', '-t', dev, run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
result = {
'script': '',
'name': dev,
'mac_address': mapping['mac']}
return result
def plug(self, instance, network, mapping):
iface_id = mapping["vif_uuid"]
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
utils.execute("ip", "tuntap", "add", dev, "mode", "tap", run_as_root=True)
utils.execute("ip", "link", "set", dev, "up", run_as_root=True)
utils.execute(
"ovs-vsctl",
"--",
"--may-exist",
"add-port",
FLAGS.libvirt_ovs_bridge,
dev,
"--",
"set",
"Interface",
dev,
"external-ids:iface-id=%s" % iface_id,
"--",
"set",
"Interface",
dev,
"external-ids:iface-status=active",
"--",
"set",
"Interface",
dev,
"external-ids:attached-mac=%s" % mapping["mac"],
run_as_root=True,
)
ret, left = utils.execute(
"ovs-vsctl", "get", "bridge", FLAGS.libvirt_ovs_bridge, "datapath_id", run_as_root=True
)
datapath_id = "0x" + ret.strip('"\n')
ret, left = utils.execute("ovs-vsctl", "get", "Interface", dev, "ofport", run_as_root=True)
port_no = ret.strip()
client = VIFINFOClient(FLAGS.quantum_host, FLAGS.quantum_port)
client.create_vifinfo(mapping["vif_uuid"], datapath_id, port_no)
result = {"script": "", "name": dev, "mac_address": mapping["mac"]}
return result
def plug(self, instance, network, mapping):
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
utils.execute('ip', 'tuntap', 'add', dev, 'mode', 'tap',
run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
utils.execute('ovs-vsctl', '--', '--may-exist', 'add-port',
FLAGS.libvirt_ovs_bridge, dev,
'--', 'set', 'Interface', dev,
"external-ids:iface-id=%s" % iface_id,
'--', 'set', 'Interface', dev,
"external-ids:iface-status=active",
'--', 'set', 'Interface', dev,
"external-ids:attached-mac=%s" % mapping['mac'],
run_as_root=True)
result = {
'script': '',
'name': dev,
'mac_address': mapping['mac']}
return result
def plug(self, instance, network, mapping):
iface_id = mapping['vif_uuid']
dev = self.get_dev_name(iface_id)
if not linux_net._device_exists(dev):
utils.execute('ip',
'tuntap',
'add',
dev,
'mode',
'tap',
run_as_root=True)
utils.execute('ip', 'link', 'set', dev, 'up', run_as_root=True)
utils.execute('ovs-vsctl',
'--',
'--may-exist',
'add-port',
FLAGS.libvirt_ovs_bridge,
dev,
'--',
'set',
'Interface',
dev,
"external-ids:iface-id=%s" % iface_id,
'--',
'set',
'Interface',
dev,
"external-ids:iface-status=active",
'--',
'set',
'Interface',
dev,
"external-ids:attached-mac=%s" % mapping['mac'],
run_as_root=True)
result = {'script': '', 'name': dev, 'mac_address': mapping['mac']}
return result
