def get_vnf_impl(cls, vnf_model_id): # pragma: no cover
""" Find the implementing class from vnf_model["vnf"]["name"] field
:param vnf_model_id: parsed vnfd model ID field
:return: subclass of GenericVNF
"""
utils.import_modules_from_package(
"yardstick.network_services.vnf_generic.vnf")
expected_name = vnf_model_id
classes_found = []
def impl():
for name, class_ in ((c.__name__, c)
for c in utils.itersubclasses(GenericVNF)):
if name == expected_name:
yield class_
classes_found.append(name)
try:
return next(impl())
except StopIteration:
pass
message = ('No implementation for %s found in %s' %
(expected_name, classes_found))
raise exceptions.IncorrectConfig(error_msg=message)
def __init__(self, dpdk_node, interface):
super(DpdkInterface, self).__init__()
self.dpdk_node = dpdk_node
self.interface = interface
try:
assert self.local_mac
except (AssertionError, KeyError):
raise exceptions.IncorrectConfig(error_msg='')
def update():
if not mock_force_rebind.called:
raise exceptions.IncorrectConfig(error_msg='')
interfaces[0]['virtual-interface'].update({
'vpci': '0000:01:02.1',
'local_ip': '10.20.30.40',
'netmask': '255.255.0.0',
'driver': 'ixgbe',
})
def instantiate(self, scenario_cfg, context_cfg):
self._update_collectd_options(scenario_cfg, context_cfg)
self.scenario_helper.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
options = scenario_cfg.get('options', {})
try:
self.vcmts_influxdb_ip = options['vcmts_influxdb_ip']
self.vcmts_influxdb_port = options['vcmts_influxdb_port']
except KeyError:
raise KeyError("Missing destination InfluxDB details in scenario" \
" section of the task definition file")
try:
vcmtsd_values_filepath = options['vcmtsd_values']
except KeyError:
raise KeyError("Missing vcmtsd_values key in scenario options" \
"section of the task definition file")
if not os.path.isfile(vcmtsd_values_filepath):
raise RuntimeError("The vcmtsd_values file path provided " \
"does not exists")
# The yaml_loader.py (SafeLoader) underlying regex has an issue
# with reading PCI addresses (processed as double). so the
# BaseLoader is used here.
with open(vcmtsd_values_filepath) as stream:
vcmtsd_values = yaml.load(stream, Loader=yaml.BaseLoader)
if vcmtsd_values == None:
raise RuntimeError("Error reading vcmtsd_values file provided (" +
vcmtsd_values_filepath + ")")
vnf_options = options.get(self.name, {})
sg_id = str(vnf_options['sg_id'])
stream_dir = vnf_options['stream_dir']
try:
vcmts_pods_cfg = vcmtsd_values['topology']['vcmts_pods']
except KeyError:
raise KeyError("Missing vcmts_pods key in the " \
"vcmtsd_values file provided")
pod_cfg = self.extract_pod_cfg(vcmts_pods_cfg, sg_id)
if pod_cfg == None:
raise exceptions.IncorrectConfig(error_msg="Service group " + sg_id + " not found")
self.setup_helper.run_vcmtsd(stream_dir, pod_cfg)
def probe_missing_values(self):
try:
for netdev in self.dpdk_node.netdevs.values():
if netdev['address'].lower() == self.mac_lower:
socket = self._detect_socket(netdev)
self.interface.update({
'vpci': netdev['pci_bus_id'],
'driver': netdev['driver'],
'socket': socket,
# don't need ifindex
})
except KeyError:
# if we don't find all the keys then don't update
pass
except (exceptions.IncorrectNodeSetup, exceptions.SSHError,
exceptions.SSHTimeout):
message = ('Unable to probe missing interface fields "%s", on '
'node %s SSH Error' % (', '.join(self.missing_fields),
self.dpdk_node.node_key))
raise exceptions.IncorrectConfig(error_msg=message)
def _resolve_topology(self):
for vld in self.topology["vld"]:
try:
node0_data, node1_data = vld["vnfd-connection-point-ref"]
except (ValueError, TypeError):
raise exceptions.IncorrectConfig(
error_msg='Topology file corrupted, wrong endpoint count '
'for connection')
node0_name = self._find_vnf_name_from_id(
node0_data["member-vnf-index-ref"])
node1_name = self._find_vnf_name_from_id(
node1_data["member-vnf-index-ref"])
node0_if_name = node0_data["vnfd-connection-point-ref"]
node1_if_name = node1_data["vnfd-connection-point-ref"]
try:
nodes = self.context_cfg["nodes"]
node0_if = self.find_node_if(nodes, node0_name, node0_if_name,
vld["id"])
node1_if = self.find_node_if(nodes, node1_name, node1_if_name,
vld["id"])
# names so we can do reverse lookups
node0_if["ifname"] = node0_if_name
node1_if["ifname"] = node1_if_name
node0_if["node_name"] = node0_name
node1_if["node_name"] = node1_name
node0_if["vld_id"] = vld["id"]
node1_if["vld_id"] = vld["id"]
# set peer name
node0_if["peer_name"] = node1_name
node1_if["peer_name"] = node0_name
# set peer interface name
node0_if["peer_ifname"] = node1_if_name
node1_if["peer_ifname"] = node0_if_name
# just load the network
vld_networks = {
n.get('vld_id', name): n
for name, n in self.context_cfg["networks"].items()
}
node0_if["network"] = vld_networks.get(vld["id"], {})
node1_if["network"] = vld_networks.get(vld["id"], {})
node0_if["dst_mac"] = node1_if["local_mac"]
node0_if["dst_ip"] = node1_if["local_ip"]
node1_if["dst_mac"] = node0_if["local_mac"]
node1_if["dst_ip"] = node0_if["local_ip"]
except KeyError:
LOG.exception("")
raise exceptions.IncorrectConfig(
error_msg='Required interface not found, topology file '
'corrupted')
for vld in self.topology['vld']:
try:
node0_data, node1_data = vld["vnfd-connection-point-ref"]
except (ValueError, TypeError):
raise exceptions.IncorrectConfig(
error_msg='Topology file corrupted, wrong endpoint count '
'for connection')
node0_name = self._find_vnf_name_from_id(
node0_data["member-vnf-index-ref"])
node1_name = self._find_vnf_name_from_id(
node1_data["member-vnf-index-ref"])
node0_if_name = node0_data["vnfd-connection-point-ref"]
node1_if_name = node1_data["vnfd-connection-point-ref"]
nodes = self.context_cfg["nodes"]
node0_if = self.find_node_if(nodes, node0_name, node0_if_name,
vld["id"])
node1_if = self.find_node_if(nodes, node1_name, node1_if_name,
vld["id"])
# add peer interface dict, but remove circular link
# TODO: don't waste memory
node0_copy = node0_if.copy()
node1_copy = node1_if.copy()
node0_if["peer_intf"] = node1_copy
node1_if["peer_intf"] = node0_copy