def _collect_vnf_commands(self, ec):
"""
Get the start/stop commands for all VNFs.
Returns: {"vnf0": "./start.sh"}, {"vnf0": "./stop.sh"}
"""
vnf_cmd_start_dict = dict()
vnf_cmd_stop_dict = dict()
for k, v in ec.parameter.items():
if MP_IN_KEY in k or MP_OUT_KEY in k:
continue # skip MPs
kd = parse_ec_parameter_key(k)
if kd.get("type") != "function":
continue # skip non functions
if kd.get("parameter_name") == "cmd_start":
# add to dict
vnf_cmd_start_dict[self.get_cname_by_parameter(
ec, kd.get("function_name"), kd.get("unit_name"))] = v
elif kd.get("parameter_name") == "cmd_stop":
# add to dict
vnf_cmd_stop_dict[self.get_cname_by_parameter(
ec, kd.get("function_name"), kd.get("unit_name"))] = v
LOG.debug(
"Collected VNF start commands: {}".format(vnf_cmd_start_dict))
LOG.debug("Collected VNF stop commands: {}".format(vnf_cmd_stop_dict))
return vnf_cmd_start_dict, vnf_cmd_stop_dict
def _apply_parameters_to_vnfds(self, ec, vnfd):
applied = False
vnfd_uid = "{}.{}.{}".format(
vnfd.get("vendor"), vnfd.get("name"), vnfd.get("version"))
# iterate over all parameters to be applied
for pname, pvalue in ec.parameter.items():
ep_uid = parse_ec_parameter_key(pname).get("function_name")
unit_name = parse_ec_parameter_key(pname).get("unit_name")
field_name = parse_ec_parameter_key(pname).get("parameter_name")
if ep_uid not in vnfd_uid:
continue # not the right VNFD -> skip
# parameter should be applied to given VNF
self._apply_parameter_to_vnfd(field_name, unit_name, pvalue, vnfd)
applied = True
if not applied:
raise BaseException(
"Couln't find any experiment parameters for VNFD: {}"
.format(vnfd_uid))
def _configure_vnfd_params(self, vnfd_yaml, output_vnfd_pkg, service_ex,
ec_index):
"""
Update the YAML VNFD contents
"""
vnfd_yaml['vnfd:vnfd-catalog']['vnfd'][0][
'name'] = service_ex.experiment_configurations[ec_index].name
for pname, pvalue in service_ex.experiment_configurations[
ec_index].parameter.items():
function_type = parse_ec_parameter_key(pname).get("type")
vnf_type = parse_ec_parameter_key(pname).get("function_name")
field_name = parse_ec_parameter_key(pname).get("parameter_name")
if function_type == "function" and 'mp.' not in vnf_type:
if field_name == 'cpu_cores':
# Single VNFD single VDU for now
vnfd_yaml['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0][
'vm-flavor']['vcpu-count'] = pvalue
if field_name == 'mem_max':
# Single VNFD single VDU for now
vnfd_yaml['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0][
'vm-flavor']['memory-mb'] = pvalue