def run_initialize(self):
""" Prepare test execution environment
"""
# mount hugepages if needed
self._mount_hugepages()
self._logger.debug("Controllers:")
loader = Loader()
self._traffic_ctl = component_factory.create_traffic(
self._traffic['traffic_type'],
loader.get_trafficgen_class())
self._vnf_ctl = component_factory.create_vnf(
self.deployment,
loader.get_vnf_class(),
len(self._step_vnf_list))
self._vnf_list = self._vnf_ctl.get_vnfs()
self._pod_ctl = component_factory.create_pod(
self.deployment,
loader.get_pod_class())
self._pod_list = self._pod_ctl.get_pods()
# verify enough hugepages are free to run the testcase
if not self._check_for_enough_hugepages():
raise RuntimeError('Not enough hugepages free to run test.')
# perform guest related handling
tmp_vm_count = self._vnf_ctl.get_vnfs_number() + len(self._step_vnf_list)
if tmp_vm_count:
# copy sources of l2 forwarding tools into VM shared dir if needed
self._copy_fwd_tools_for_all_guests(tmp_vm_count)
# in case of multi VM in parallel, set the number of streams to the number of VMs
if self.deployment.startswith('pvpv'):
# for each VM NIC pair we need an unique stream
streams = 0
for vm_nic in S.getValue('GUEST_NICS_NR')[:tmp_vm_count]:
streams += int(vm_nic / 2) if vm_nic > 1 else 1
self._logger.debug("VMs with parallel connection were detected. "
"Thus Number of streams was set to %s", streams)
# update streams if needed; In case of additional VNFs deployed by TestSteps
# user can define a proper stream count manually
if 'multistream' not in self._traffic or self._traffic['multistream'] < streams:
self._traffic.update({'multistream': streams})
# OVS Vanilla requires guest VM MAC address and IPs to work
if 'linux_bridge' in S.getValue('GUEST_LOOPBACK'):
self._traffic['l2'].update({'srcmac': S.getValue('VANILLA_TGEN_PORT1_MAC'),
'dstmac': S.getValue('VANILLA_TGEN_PORT2_MAC')})
self._traffic['l3'].update({'srcip': S.getValue('VANILLA_TGEN_PORT1_IP'),
'dstip': S.getValue('VANILLA_TGEN_PORT2_IP')})
if self._vswitch_none:
self._vswitch_ctl = component_factory.create_pktfwd(
self.deployment,
loader.get_pktfwd_class())
else:
self._vswitch_ctl = component_factory.create_vswitch(
self.deployment,
loader.get_vswitch_class(),
self._traffic,
self._tunnel_operation)
self._collector = component_factory.create_collector(
loader.get_collector_class(),
self._results_dir, self.name)
self._loadgen = component_factory.create_loadgen(
loader.get_loadgen_class(),
self._load_cfg)
self._output_file = os.path.join(self._results_dir, "result_{}_{}_{}.csv".format(
str(S.getValue('_TEST_INDEX')), self.name, self.deployment))
self._step_status = {'status' : True, 'details' : ''}
# Perform LLC-allocations
if S.getValue('LLC_ALLOCATION'):
self._rmd.setup_llc_allocation()
self._logger.debug("Setup:")
def run(self):
"""Run the test
All setup and teardown through controllers is included.
"""
self._logger.debug(self.name)
# copy sources of l2 forwarding tools into VM shared dir if needed
self._copy_fwd_tools_for_guest()
self._logger.debug("Controllers:")
loader = Loader()
traffic_ctl = component_factory.create_traffic(
self._traffic['traffic_type'], loader.get_trafficgen_class())
vnf_ctl = component_factory.create_vnf(self.deployment,
loader.get_vnf_class())
vswitch_ctl = component_factory.create_vswitch(
self.deployment, loader.get_vswitch_class(), self._traffic)
collector = component_factory.create_collector(
loader.get_collector_class(), self._results_dir, self.name)
loadgen = component_factory.create_loadgen(self._loadgen,
self._load_cfg)
self._logger.debug("Setup:")
with vswitch_ctl, loadgen:
with vnf_ctl, collector:
vswitch = vswitch_ctl.get_vswitch()
# TODO BOM 15-08-07 the frame mod code assumes that the
# physical ports are ports 1 & 2. The actual numbers
# need to be retrived from the vSwitch and the metadata value
# updated accordingly.
bridge = S.getValue('VSWITCH_BRIDGE_NAME')
if self._frame_mod == "vlan":
# 0x8100 => VLAN ethertype
self._logger.debug(" **** VLAN ***** ")
flow = {
'table': '2',
'priority': '1000',
'metadata': '2',
'actions': ['push_vlan:0x8100', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
flow = {
'table': '2',
'priority': '1000',
'metadata': '1',
'actions': ['push_vlan:0x8100', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "mpls":
# 0x8847 => MPLS unicast ethertype
self._logger.debug(" **** MPLS ***** ")
flow = {
'table': '2',
'priority': '1000',
'metadata': '2',
'actions': ['push_mpls:0x8847', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
flow = {
'table': '2',
'priority': '1000',
'metadata': '1',
'actions': ['push_mpls:0x8847', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "mac":
flow = {
'table': '2',
'priority': '1000',
'metadata': '2',
'actions':
['mod_dl_src:22:22:22:22:22:22', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
flow = {
'table': '2',
'priority': '1000',
'metadata': '1',
'actions':
['mod_dl_src:11:11:11:11:11:11', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "dscp":
# DSCP 184d == 0x4E<<2 => 'Expedited Forwarding'
flow = {
'table': '2',
'priority': '1000',
'metadata': '2',
'dl_type': '0x0800',
'actions': ['mod_nw_tos:184', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
flow = {
'table': '2',
'priority': '1000',
'metadata': '1',
'dl_type': '0x0800',
'actions': ['mod_nw_tos:184', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "ttl":
# 251 and 241 are the highest prime numbers < 255
flow = {
'table': '2',
'priority': '1000',
'metadata': '2',
'dl_type': '0x0800',
'actions': ['mod_nw_ttl:251', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
flow = {
'table': '2',
'priority': '1000',
'metadata': '1',
'dl_type': '0x0800',
'actions': ['mod_nw_ttl:241', 'goto_table:3']
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "ip_addr":
flow = {
'table':
'2',
'priority':
'1000',
'metadata':
'2',
'dl_type':
'0x0800',
'actions': [
'mod_nw_src:10.10.10.10', 'mod_nw_dst:20.20.20.20',
'goto_table:3'
]
}
vswitch.add_flow(bridge, flow)
flow = {
'table':
'2',
'priority':
'1000',
'metadata':
'1',
'dl_type':
'0x0800',
'actions': [
'mod_nw_src:20.20.20.20', 'mod_nw_dst:10.10.10.10',
'goto_table:3'
]
}
vswitch.add_flow(bridge, flow)
elif self._frame_mod == "ip_port":
# TODO BOM 15-08-27 The traffic generated is assumed
# to be UDP (nw_proto 17d) which is the default case but
# we will need to pick up the actual traffic params in use.
flow = {
'table':
'2',
'priority':
'1000',
'metadata':
'2',
'dl_type':
'0x0800',
'nw_proto':
'17',
'actions': [
'mod_tp_src:44444', 'mod_tp_dst:44444',
'goto_table:3'
]
}
vswitch.add_flow(bridge, flow)
flow = {
'table':
'2',
'priority':
'1000',
'metadata':
'1',
'dl_type':
'0x0800',
'nw_proto':
'17',
'actions': [
'mod_tp_src:44444', 'mod_tp_dst:44444',
'goto_table:3'
]
}
vswitch.add_flow(bridge, flow)
else:
pass
with traffic_ctl:
traffic_ctl.send_traffic(self._traffic)
# dump vswitch flows before they are affected by VNF termination
vswitch_ctl.dump_vswitch_flows()
self._logger.debug("Traffic Results:")
traffic_ctl.print_results()
self._logger.debug("Collector Results:")
collector.print_results()
output_file = os.path.join(
self._results_dir,
"result_" + self.name + "_" + self.deployment + ".csv")
tc_results = self._append_results(traffic_ctl.get_results())
TestCase._write_result_to_file(tc_results, output_file)
report.generate(output_file, tc_results, collector.get_results())