diff options
Diffstat (limited to 'yardstick/network_services/vnf_generic/vnf/base.py')
| -rw-r--r-- | yardstick/network_services/vnf_generic/vnf/base.py | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/yardstick/network_services/vnf_generic/vnf/base.py b/yardstick/network_services/vnf_generic/vnf/base.py index 8ed754dce..a776b0989 100644 --- a/yardstick/network_services/vnf_generic/vnf/base.py +++ b/yardstick/network_services/vnf_generic/vnf/base.py @@ -138,76 +138,62 @@ class VnfdHelper(dict): yield port_name, port_num -class VNFObject(object): +@six.add_metaclass(abc.ABCMeta) +class GenericVNF(object): + """Class providing file-like API for generic VNF implementation + + Currently the only class implementing this interface is + yardstick/network_services/vnf_generic/vnf/sample_vnf:SampleVNF. + """ # centralize network naming convention UPLINK = PortPairs.UPLINK DOWNLINK = PortPairs.DOWNLINK def __init__(self, name, vnfd): - super(VNFObject, self).__init__() self.name = name - self.vnfd_helper = VnfdHelper(vnfd) # fixme: parse this into a structure - - -class GenericVNF(VNFObject): - - """ Class providing file-like API for generic VNF implementation """ - def __init__(self, name, vnfd): - super(GenericVNF, self).__init__(name, vnfd) + self.vnfd_helper = VnfdHelper(vnfd) # List of statistics we can obtain from this VNF # - ETSI MANO 6.3.1.1 monitoring_parameter - self.kpi = self._get_kpi_definition() + self.kpi = self.vnfd_helper.kpi # Standard dictionary containing params like thread no, buffer size etc self.config = {} self.runs_traffic = False - def _get_kpi_definition(self): - """ Get list of KPIs defined in VNFD - - :param vnfd: - :return: list of KPIs, e.g. ['throughput', 'latency'] - """ - return self.vnfd_helper.kpi - + @abc.abstractmethod def instantiate(self, scenario_cfg, context_cfg): - """ Prepare VNF for operation and start the VNF process/VM + """Prepare VNF for operation and start the VNF process/VM - :param scenario_cfg: - :param context_cfg: + :param scenario_cfg: Scenario config + :param context_cfg: Context config :return: True/False """ - raise NotImplementedError() + @abc.abstractmethod def wait_for_instantiate(self): - """ Wait for VNF to start + """Wait for VNF to start :return: True/False """ - raise NotImplementedError() + @abc.abstractmethod def terminate(self): - """ Kill all VNF processes - - :return: - """ - raise NotImplementedError() + """Kill all VNF processes""" + @abc.abstractmethod def scale(self, flavor=""): - """ + """rest - :param flavor: + :param flavor: Name of the flavor. :return: """ - raise NotImplementedError() + @abc.abstractmethod def collect_kpi(self): - """This method should return a dictionary containing the - selected KPI at a given point of time. + """Return a dict containing the selected KPI at a given point of time :return: {"kpi": value, "kpi2": value} """ - raise NotImplementedError() @six.add_metaclass(abc.ABCMeta) |