def get_dut_port_id(dut_hostname, dut_port, conn_data, fanout_data):
snappi_fanout = get_peer_snappi_chassis(conn_data=conn_data,
dut_hostname=dut_hostname)
if snappi_fanout is None:
return None
snappi_fanout_id = list(fanout_data.keys()).index(snappi_fanout)
snappi_fanout_list = SnappiFanoutManager(fanout_data)
snappi_fanout_list.get_fanout_device_details(
device_number=snappi_fanout_id)
snappi_ports = snappi_fanout_list.get_ports(peer_device=dut_hostname)
for i in range(len(snappi_ports)):
if snappi_ports[i]['peer_port'] == dut_port:
return i
return None
def snappi_testbed_config(conn_graph_facts, fanout_graph_facts, duthosts,
rand_one_dut_hostname, snappi_api):
"""
Geenrate snappi API config and port config information for the testbed
Args:
conn_graph_facts (pytest fixture)
fanout_graph_facts (pytest fixture)
duthosts (pytest fixture): list of DUTs
rand_one_dut_hostname (pytest fixture): DUT hostname
snappi_api(pytest fixture): Snappi API fixture
Returns:
- config (obj): Snappi API config of the testbed
- port_config_list (list): list of port configuration information
"""
duthost = duthosts[rand_one_dut_hostname]
""" Generate L1 config """
snappi_fanout = get_peer_snappi_chassis(conn_data=conn_graph_facts,
dut_hostname=duthost.hostname)
pytest_assert(snappi_fanout is not None, 'Fail to get snappi_fanout')
snappi_fanout_id = list(fanout_graph_facts.keys()).index(snappi_fanout)
snappi_fanout_list = SnappiFanoutManager(fanout_graph_facts)
snappi_fanout_list.get_fanout_device_details(
device_number=snappi_fanout_id)
snappi_ports = snappi_fanout_list.get_ports(peer_device=duthost.hostname)
port_speed = None
""" L1 config """
config = snappi_api.config()
for i in range(len(snappi_ports)):
config.ports.port(name='Port {}'.format(i),
location=get_snappi_port_location(snappi_ports[i]))
if port_speed is None:
port_speed = int(snappi_ports[i]['speed'])
pytest_assert(port_speed == int(snappi_ports[i]['speed']),
'Ports have different link speeds')
speed_gbps = int(port_speed / 1000)
config.options.port_options.location_preemption = True
l1_config = config.layer1.layer1()[-1]
l1_config.name = 'L1 config'
l1_config.port_names = [port.name for port in config.ports]
l1_config.speed = 'speed_{}_gbps'.format(speed_gbps)
l1_config.ieee_media_defaults = False
l1_config.auto_negotiate = False
l1_config.auto_negotiation.link_training = True
l1_config.auto_negotiation.rs_fec = True
pfc = l1_config.flow_control.ieee_802_1qbb
pfc.pfc_delay = 0
pfc.pfc_class_0 = 0
pfc.pfc_class_1 = 1
pfc.pfc_class_2 = 2
pfc.pfc_class_3 = 3
pfc.pfc_class_4 = 4
pfc.pfc_class_5 = 5
pfc.pfc_class_6 = 6
pfc.pfc_class_7 = 7
port_config_list = []
config_result = __vlan_intf_config(config=config,
port_config_list=port_config_list,
duthost=duthost,
snappi_ports=snappi_ports)
pytest_assert(config_result is True, 'Fail to configure Vlan interfaces')
config_result = __portchannel_intf_config(
config=config,
port_config_list=port_config_list,
duthost=duthost,
snappi_ports=snappi_ports)
pytest_assert(config_result is True,
'Fail to configure portchannel interfaces')
config_result = __l3_intf_config(config=config,
port_config_list=port_config_list,
duthost=duthost,
snappi_ports=snappi_ports)
pytest_assert(config_result is True, 'Fail to configure L3 interfaces')
return config, port_config_list
def tgen_ports(duthost, conn_graph_facts, fanout_graph_facts):
"""
Populate tgen ports info of T0 testbed and returns as a list
Args:
duthost (pytest fixture): duthost fixture
conn_graph_facts (pytest fixture): connection graph
fanout_graph_facts (pytest fixture): fanout graph
Return:
[{'card_id': '1',
'ip': '22.1.1.2',
'ipv6': '3001::2',
'ipv6_prefix': u'64',
'location': '10.36.78.238;1;2',
'peer_device': 'sonic-s6100-dut',
'peer_ip': u'22.1.1.1',
'peer_ipv6': u'3001::1',
'peer_port': 'Ethernet8',
'port_id': '2',
'prefix': u'24',
'speed': 'speed_400_gbps'},
{'card_id': '1',
'ip': '21.1.1.2',
'ipv6': '2001::2',
'ipv6_prefix': u'64',
'location': '10.36.78.238;1;1',
'peer_device': 'sonic-s6100-dut',
'peer_ip': u'21.1.1.1',
'peer_ipv6': u'2001::1',
'peer_port': 'Ethernet0',
'port_id': '1',
'prefix': u'24',
'speed': 'speed_400_gbps'}]
"""
speed_type = {
'50000': 'speed_50_gbps',
'100000': 'speed_100_gbps',
'200000': 'speed_200_gbps',
'400000': 'speed_400_gbps'
}
snappi_fanout = get_peer_snappi_chassis(conn_data=conn_graph_facts,
dut_hostname=duthost.hostname)
snappi_fanout_id = list(fanout_graph_facts.keys()).index(snappi_fanout)
snappi_fanout_list = SnappiFanoutManager(fanout_graph_facts)
snappi_fanout_list.get_fanout_device_details(
device_number=snappi_fanout_id)
snappi_ports = snappi_fanout_list.get_ports(peer_device=duthost.hostname)
port_speed = None
for i in range(len(snappi_ports)):
if port_speed is None:
port_speed = int(snappi_ports[i]['speed'])
elif port_speed != int(snappi_ports[i]['speed']):
""" All the ports should have the same bandwidth """
return None
config_facts = duthost.config_facts(host=duthost.hostname,
source="running")['ansible_facts']
for port in snappi_ports:
port['location'] = get_snappi_port_location(port)
port['speed'] = speed_type[port['speed']]
try:
for port in snappi_ports:
peer_port = port['peer_port']
int_addrs = config_facts['INTERFACE'][peer_port].keys()
ipv4_subnet = [ele for ele in int_addrs if "." in ele][0]
if not ipv4_subnet:
raise Exception(
"IPv4 is not configured on the interface {}".format(
peer_port))
port['peer_ip'], port['prefix'] = ipv4_subnet.split("/")
port['ip'] = get_addrs_in_subnet(ipv4_subnet, 1)[0]
ipv6_subnet = [ele for ele in int_addrs if ":" in ele][0]
if not ipv6_subnet:
raise Exception(
"IPv6 is not configured on the interface {}".format(
peer_port))
port['peer_ipv6'], port['ipv6_prefix'] = ipv6_subnet.split("/")
port['ipv6'] = get_ipv6_addrs_in_subnet(ipv6_subnet, 1)[0]
except:
raise Exception('Configure IPv4 and IPv6 on DUT interfaces')
return snappi_ports