chain_start = ingress_ports[0]
chain_rest = ingress_ports[1:]
- source_port_to_chain_start = []
for flow_classifier_id in self.flow_classifiers:
flow_classifier = compute.find_flow_classifier_by_name_or_id(flow_classifier_id)
- if flow_classifier:
- port = compute.find_port_by_name_or_id(flow_classifier.logical_source_port)
- source_port_to_chain_start.append((port, chain_start))
+ if not flow_classifier:
+ raise RuntimeError("Unable to find flow_classifier %s" % flow_classifier_id)
- chain = source_port_to_chain_start + zip(egress_ports, chain_rest)
+ port = compute.find_port_by_name_or_id(flow_classifier.logical_source_port)
- for (egress_port, ingress_port) in chain:
- server_egress = None
- server_ingress = None
- for server in compute.computeUnits.values():
- if egress_port.name in server.port_names or egress_port.id in server.port_names:
- server_egress = server
- if ingress_port.name in server.port_names or ingress_port.id in server.port_names:
- server_ingress = server
+ chain = [(port, chain_start)] + zip(egress_ports, chain_rest)
- if not server_egress:
- raise RuntimeError("Neutron SFC: egress port %s not connected to any server." %
- egress_port.name)
- if not server_ingress:
- raise RuntimeError("Neutron SFC: ingress port %s not connected to any server." %
- ingress_port.name)
+ for (egress_port, ingress_port) in chain:
+ server_egress = None
+ server_ingress = None
+ for server in compute.computeUnits.values():
+ if egress_port.name in server.port_names or egress_port.id in server.port_names:
+ server_egress = server
+ if ingress_port.name in server.port_names or ingress_port.id in server.port_names:
+ server_ingress = server
- compute.dc.net.setChain(
- server_egress.name, server_ingress.name,
- egress_port.intf_name, ingress_port.intf_name,
- cmd="add-flow", cookie=self.cookie, priority=10, bidirectional=False,
- monitor=False, skip_vlan_tag=True
- )
+ if not server_egress:
+ raise RuntimeError("Neutron SFC: egress port %s not connected to any server." %
+ egress_port.name)
+ if not server_ingress:
+ raise RuntimeError("Neutron SFC: ingress port %s not connected to any server." %
+ ingress_port.name)
+
+ compute.dc.net.setChain(
+ server_egress.name, server_ingress.name,
+ egress_port.intf_name, ingress_port.intf_name,
+ match=flow_classifier.to_match(),
+ mod_dl_dst=ingress_port.mac_address,
+ cmd="add-flow", cookie=self.cookie, priority=10, bidirectional=False,
+ monitor=False, skip_vlan_tag=True
+ )
def uninstall(self, compute):
# TODO: implement