"""Create a network for given chain.
network_config: a dict containing the network properties
- (segmentation_id and physical_network)
+ (name, segmentation_id and physical_network)
chain_id: to which chain the networks belong.
a None value will mean that these networks are shared by all chains
"""
self.manager = manager
- self.name = network_config.name
+ if chain_id is None:
+ self.name = network_config.name
+ else:
+ # the name itself can be either a string or a list of names indexed by chain ID
+ if isinstance(network_config.name, tuple):
+ self.name = network_config.name[chain_id]
+ else:
+ # network_config.name is a prefix string
+ self.name = network_config.name + str(chain_id)
self.segmentation_id = self._get_item(network_config.segmentation_id,
chain_id, auto_index=True)
self.physical_network = self._get_item(network_config.physical_network, chain_id)
- if chain_id is not None:
- self.name += str(chain_id)
+
self.reuse = False
self.network = None
self.vlan = None
self.flavor = ChainFlavor(config.flavor_type, config.flavor, self.comp)
# Get list of all existing instances to check if some instances can be reused
self.existing_instances = self.comp.get_server_list()
+ else:
+ # For EXT chains, the external_networks left and right fields in the config
+ # must be either a prefix string or a list of at least chain-count strings
+ self._check_extnet('left', config.external_networks.left)
+ self._check_extnet('right', config.external_networks.right)
+
# If networks are shared across chains, get the list of networks
if config.service_chain_shared_net:
self.networks = self.get_networks()
for chain_id in range(self.chain_count):
self.chains.append(Chain(chain_id, self))
if config.service_chain == ChainType.EXT:
- # if EXT and no ARP we need to read dest MACs from config
- if config.no_arp:
+ # if EXT and no ARP or VxLAN we need to read dest MACs from config
+ if config.no_arp or config.vxlan:
self._get_dest_macs_from_config()
else:
# Make sure all instances are active before proceeding
self._ensure_instances_active()
# network API call do not show VLANS ID if not admin read from config
- if not self.is_admin:
+ if not self.is_admin and config.vlan_tagging:
self._get_config_vlans()
except Exception:
self.delete()
if config.vxlan:
raise ChainException('VxLAN is only supported with OpenStack')
+ def _check_extnet(self, side, name):
+ if not name:
+ raise ChainException('external_networks.%s must contain a valid network'
+ ' name prefix or a list of network names' % side)
+ if isinstance(name, tuple) and len(name) < self.chain_count:
+ raise ChainException('external_networks.%s %s'
+ ' must have at least %d names' % (side, name, self.chain_count))
+
def _get_config_vlans(self):
re_vlan = "[0-9]*$"
try:
"""
return self.get_existing_ports().get(chain_network.get_uuid(), None)
- def get_host_ip_from_mac(self, mac):
- """Get the host IP address matching a MAC.
+ def get_hypervisor_from_mac(self, mac):
+ """Get the hypervisor that hosts a VM MAC.
mac: MAC address to look for
- return: the IP address of the host where the matching port runs or None if not found
+ return: the hypervisor where the matching port runs or None if not found
"""
# _existing_ports is a dict of list of ports indexed by network id
for port_list in self.get_existing_ports().values():
try:
if port['mac_address'] == mac:
host_id = port['binding:host_id']
- return self.comp.get_hypervisor(host_id).host_ip
+ return self.comp.get_hypervisor(host_id)
except KeyError:
pass
return None
+ def get_host_ip_from_mac(self, mac):
+ """Get the host IP address matching a MAC.
+
+ mac: MAC address to look for
+ return: the IP address of the host where the matching port runs or None if not found
+ """
+ hypervisor = self.get_hypervisor_from_mac(mac)
+ if hypervisor:
+ return hypervisor.host_ip
+ return None
+
def get_chain_vlans(self, port_index):
"""Get the list of per chain VLAN id on a given port.
port_index: left port is 0, right port is 1
return: a VNIs ID list indexed by the chain index or None if no vlan tagging
"""
- if self.chains:
+ if self.chains and self.is_admin:
return [self.chains[chain_index].get_vxlan(port_index)
for chain_index in range(self.chain_count)]
# no openstack
- raise ChainException('VxLAN is only supported with OpenStack')
+ raise ChainException('VxLAN is only supported with OpenStack and with admin user')
def get_dest_macs(self, port_index):
"""Get the list of per chain dest MACs on a given port.
if self.chains:
# in the case of EXT, the compute node must be retrieved from the port
# associated to any of the dest MACs
- return self.chains[0].get_compute_nodes()
+ if self.config.service_chain != ChainType.EXT:
+ return self.chains[0].get_compute_nodes()
+ # in the case of EXT, the compute node must be retrieved from the port
+ # associated to any of the dest MACs
+ dst_macs = self.generator_config.get_dest_macs()
+ # dest MAC on port 0, chain 0
+ dst_mac = dst_macs[0][0]
+ hypervisor = self.get_hypervisor_from_mac(dst_mac)
+ if hypervisor:
+ LOG.info('Found hypervisor for EXT chain: %s', hypervisor.hypervisor_hostname)
+ return[':' + hypervisor.hypervisor_hostname]
+
# no openstack = no chains
return []
Code Review / nfvbench.git / blobdiff