def plug_new(self, network_id, port_id, device_name, mac_address,
bridge=None, namespace=None, prefix=None, mtu=None):
"""This method is called by the Dhcp agent or by the L3 agent
when a new network is created
"""
ip = ip_lib.IPWrapper()
tap_name = device_name.replace(prefix or n_const.TAP_DEVICE_PREFIX,
n_const.TAP_DEVICE_PREFIX)
# Create ns_dev in a namespace if one is configured.
root_dev, ns_dev = ip.add_veth(tap_name, device_name,
namespace2=namespace)
root_dev.disable_ipv6()
ns_dev.link.set_address(mac_address)
mtu = self.conf.network_device_mtu or mtu
if mtu:
ns_dev.link.set_mtu(mtu)
root_dev.link.set_mtu(mtu)
else:
LOG.warning(_LW("No MTU configured for port %s"), port_id)
ns_dev.link.set_up()
root_dev.link.set_up()
cmd = ['mm-ctl', '--bind-port', port_id, device_name]
utils.execute(cmd, run_as_root=True)
def _validate_network_type(self, context, network_id):
our_types = [m_const.TYPE_MIDONET, m_const.TYPE_UPLINK]
network = self._core_plugin.get_network(context, network_id)
for seg in self._segments(network):
if seg[pnet.NETWORK_TYPE] in our_types:
return
LOG.warning(_LW("Incompatible network %s"), network)
raise n_exc.BadRequest(resource='router', msg='Incompatible network')
def _validate_network_type(self, context, network_id):
our_types = [m_const.TYPE_MIDONET, m_const.TYPE_UPLINK]
network = self._core_plugin.get_network(context, network_id)
for seg in self._segments(network):
if seg[pnet.NETWORK_TYPE] in our_types:
return
LOG.warning(_LW("Incompatible network %s"), network)
raise n_exc.BadRequest(resource='router', msg='Incompatible network')
def delete_network(self, context, id):
LOG.debug("MidonetMixin.delete_network called: id=%r", id)
with context.session.begin(subtransactions=True):
self._process_l3_delete(context, id)
try:
super(MidonetMixin, self).delete_network(context, id)
except n_exc.NetworkInUse as ex:
LOG.warning(_LW("Error deleting network %(net)s, retrying..."),
{'net': id})
# Contention for DHCP port deletion and network deletion occur
# often which leads to NetworkInUse error. Retry to get
# around this problem.
raise oslo_db_exc.RetryRequest(ex)
self.client.delete_network_precommit(context, id)
self.client.delete_network_postcommit(id)
LOG.debug("MidonetMixin.delete_network exiting: id=%r", id)
def delete_network(self, context, id):
LOG.debug("MidonetPluginV2.delete_network called: id=%r", id)
with context.session.begin(subtransactions=True):
c_utils.check_delete_network_precommit(context, id)
self._process_l3_delete(context, id)
try:
super(MidonetPluginV2, self).delete_network(context, id)
except n_exc.NetworkInUse as ex:
LOG.warning(_LW("Error deleting network %(net)s, retrying..."),
{'net': id})
# Contention for DHCP port deletion and network deletion occur
# often which leads to NetworkInUse error. Retry to get
# around this problem.
raise oslo_db_exc.RetryRequest(ex)
self.client.delete_network_precommit(context, id)
self.client.delete_network_postcommit(id)
LOG.debug("MidonetPluginV2.delete_network exiting: id=%r", id)
def _process_provider_create(self, network):
net_type = network.get(pnet.NETWORK_TYPE)
if not attributes.is_attr_set(net_type):
return None
if net_type in _MIDONET_TYPES:
# NOTE(yamamoto): Accept a few well-known types as
# the default type. This is a workaround for Horizon, which
# currently doesn't have a way to specify MidoNet network types
# or "no provider network".
# REVISIT(yamamoto): Clean this up once Horizon is fixed
if net_type != m_const.TYPE_MIDONET:
LOG.warning(_LW('Unsupported network type %(type)s detected '
'in a create network request.'),
{'type': net_type})
return None
if net_type != m_const.TYPE_UPLINK:
msg = _('Unsupported network type %(type)s detected '
'in a create network request.') % {'type': net_type}
raise n_exc.InvalidInput(error_message=msg)
return net_type
