def add_router_interface(self, context, router_id, interface_info):
add_by_port, add_by_sub = self._validate_interface_info(
interface_info)
if add_by_sub:
subnet = self.get_subnet(context, interface_info['subnet_id'])
port = {'port': {'network_id': subnet['network_id'], 'name': '',
'admin_state_up': True, 'device_id': '',
'device_owner': l3_db.DEVICE_OWNER_ROUTER_INTF,
'mac_address': attr.ATTR_NOT_SPECIFIED,
'fixed_ips': [{'subnet_id': subnet['id'],
'ip_address':
subnet['gateway_ip']}]}}
port = self.create_port(context, port)
elif add_by_port:
port = self.get_port(context, interface_info['port_id'])
subnet_id = port['fixed_ips'][0]['subnet_id']
subnet = self.get_subnet(context, subnet_id)
lrouter = utils.ovn_name(router_id)
lswitch = utils.ovn_name(subnet['network_id'])
cidr = netaddr.IPNetwork(subnet['cidr'])
network = "%s/%s" % (port['fixed_ips'][0]['ip_address'],
str(cidr.prefixlen))
logical_port = self.nb_api.get_logical_port(port['id'])
self.nb_api.add_lrouter_port(port['id'], lrouter, lswitch,
mac=port['mac_address'],
network=network,
tunnel_key=logical_port.get_tunnel_key())
interface_info['port_id'] = port['id']
if 'subnet_id' in interface_info:
del interface_info['subnet_id']
return super(DFPlugin, self).add_router_interface(
context, router_id, interface_info)
def remove_router_interface(self, context, router_id, interface_info):
new_router = super(DFPlugin, self).remove_router_interface(
context, router_id, interface_info)
subnet = self.get_subnet(context, new_router['subnet_id'])
network_id = subnet['network_id']
self.nb_api.delete_lrouter_port(utils.ovn_name(router_id),
utils.ovn_name(network_id))
def create_port_in_nb_api(self, port):
# The port name *must* be port['id']. It must match the iface-id set
# in the Interfaces table of the Open_vSwitch database, which nova sets
# to be the port ID.
external_ids = {ovn_const.OVN_PORT_NAME_EXT_ID_KEY: port['name']}
parent_name, tag = self._get_data_from_binding_profile(port)
allowed_macs = self._get_allowed_mac_addresses_from_port(port)
ips = []
if 'fixed_ips' in port:
if 'ip_address' in port['fixed_ips'][0]:
ips.append(port['fixed_ips'][0]['ip_address'])
chassis = None
if 'binding:host_id' in port:
chassis = port['binding:host_id']
tunnel_key = self._allocate_tunnel_key()
self.nb_api.create_lport(
name=port['id'],
lswitch_name=utils.ovn_name(port['network_id']),
macs=[port['mac_address']], ips=ips,
external_ids=external_ids,
parent_name=parent_name, tag=tag,
enabled=port.get('admin_state_up', None),
chassis=chassis, tunnel_key=tunnel_key,
port_security=allowed_macs)
return port
def delete_subnet(self, context, id):
orig_subnet = super(DFPlugin, self).get_subnet(context, id)
net_id = orig_subnet['network_id']
with context.session.begin(subtransactions=True):
# delete subnet in DB
super(DFPlugin, self).delete_subnet(context, id)
# update df controller with subnet delete
self.nb_api.delete_subnet(id, utils.ovn_name(net_id))
def delete_router(self, context, router_id):
router_name = utils.ovn_name(router_id)
try:
self.nb_api.delete_lrouter(router_name)
except df_exceptions.DBKeyNotFound:
LOG.debug("router %s is not found in DF DB, might have "
"been deleted concurrently" % router_name)
ret_val = super(DFPlugin, self).delete_router(context,
router_id)
return ret_val
def delete_network(self, context, network_id):
with context.session.begin(subtransactions=True):
super(DFPlugin, self).delete_network(context,
network_id)
# TODO(gsagie) this patch is used to remove DHCP port
# remove when we implement distributed DHCP service and dont use
# q-dhcp
for port in self.nb_api.get_all_logical_ports():
if port.get_lswitch_id() == utils.ovn_name(network_id):
try:
self.nb_api.delete_lport(port.get_id())
except df_exceptions.DBKeyNotFound:
LOG.debug("port %s is not found in DB, might have"
"been deleted concurrently" % port.get_id())
try:
self.nb_api.delete_lswitch(utils.ovn_name(network_id))
except df_exceptions.DBKeyNotFound:
LOG.debug("lswitch %s is not found in DF DB, might have "
"been deleted concurrently" % utils.ovn_name(network_id))
def create_router(self, context, router):
router = super(DFPlugin, self).create_router(
context, router)
router_name = utils.ovn_name(router['id'])
external_ids = {ovn_const.OVN_ROUTER_NAME_EXT_ID_KEY:
router.get('name', 'no_router_name')}
self.nb_api.create_lrouter(router_name, external_ids=external_ids)
# TODO(gsagie) rollback router creation on OVN failure
return router
def create_network_nb_api(self, network):
# Create a logical switch with a name equal to the Neutron network
# UUID. This provides an easy way to refer to the logical switch
# without having to track what UUID OVN assigned to it.
external_ids = {ovn_const.OVN_NETWORK_NAME_EXT_ID_KEY: network['name']}
# TODO(DF): Undo logical switch creation on failure
self.nb_api.create_lswitch(name=utils.ovn_name(network['id']),
external_ids=external_ids)
return network
def update_subnet(self, context, id, subnet):
with context.session.begin(subtransactions=True):
# update subnet in DB
new_subnet = super(DFPlugin,
self).update_subnet(context, id, subnet)
net_id = new_subnet['network_id']
# update df controller with subnet
self.nb_api.update_subnet(
new_subnet['id'],
utils.ovn_name(net_id),
enable_dhcp=new_subnet['enable_dhcp'],
cidr=new_subnet['cidr'],
dhcp_ip=new_subnet['allocation_pools'][0]['start'],
gateway_ip=new_subnet['gateway_ip'],
dns_nameservers=new_subnet.get('dns_nameservers', []))
return new_subnet
def create_port_in_nb_api(self, port, parent_name, tag, sgids):
# The port name *must* be port['id']. It must match the iface-id set
# in the Interfaces table of the Open_vSwitch database, which nova sets
# to be the port ID.
external_ids = {ovn_const.OVN_PORT_NAME_EXT_ID_KEY: port['name']}
allowed_macs = self._get_allowed_mac_addresses_from_port(port)
ips = []
if 'fixed_ips' in port:
if 'ip_address' in port['fixed_ips'][0]:
ips.append(port['fixed_ips'][0]['ip_address'])
chassis = None
if 'binding:host_id' in port:
chassis = port['binding:host_id']
tunnel_key = self.nb_api.allocate_tunnel_key()
# Router GW ports are not needed by dragonflow controller and
# they currently cause error as they couldnt be mapped to
# a valid ofport (or location)
if port.get('device_owner') == const.DEVICE_OWNER_ROUTER_GW:
chassis = None
self.nb_api.create_lport(
name=port['id'],
lswitch_name=utils.ovn_name(port['network_id']),
macs=[port['mac_address']], ips=ips,
external_ids=external_ids,
parent_name=parent_name, tag=tag,
enabled=port.get('admin_state_up', None),
chassis=chassis, tunnel_key=tunnel_key,
port_security=allowed_macs,
device_owner=port.get('device_owner', None),
sgids=sgids)
return port
def _set_network_name(self, network_id, name):
ext_id = [ovn_const.OVN_NETWORK_NAME_EXT_ID_KEY, name]
self.nb_api.update_lswitch(utils.ovn_name(network_id),
external_ids=ext_id)
def delete_router(self, context, router_id):
router_name = utils.ovn_name(router_id)
self.nb_api.delete_lrouter(router_name)
ret_val = super(DFPlugin, self).delete_router(context,
router_id)
return ret_val
def delete_network(self, context, network_id):
with context.session.begin():
super(DFPlugin, self).delete_network(context,
network_id)
self.nb_api.delete_lswitch(utils.ovn_name(network_id))