def reload_dut_config(request, duthost, define_sub_ports_configuration):
"""
DUT's configuration reload on teardown
Args:
request: pytest request object
duthost: DUT host object
define_sub_ports_configuration: Dictonary of parameters for configuration DUT
"""
yield
sub_ports = define_sub_ports_configuration['sub_ports']
dut_ports = define_sub_ports_configuration['dut_ports']
cfg_facts = duthost.config_facts(host=duthost.hostname,
source="running")['ansible_facts']
existing_sub_ports = cfg_facts.get("VLAN_SUB_INTERFACE", {})
for sub_port in sub_ports:
if sub_port in existing_sub_ports:
remove_sub_port(duthost, sub_port, sub_ports[sub_port]['ip'])
py_assert(check_sub_port(duthost, sub_ports.keys(), True),
"Some sub-port were not deleted")
if 'port_in_lag' in request.node.name:
for lag_port in dut_ports.values():
remove_lag_port(duthost, cfg_facts, lag_port)
duthost.shell('sudo config load -y /etc/sonic/config_db.json')
def test_vlan_config_impact(self, duthost, ptfadapter,
apply_config_on_the_dut,
apply_config_on_the_ptf):
"""
Validates that removal of VLAN doesn't impact sub-port RIF with same VLAN ID.
Test steps:
1.) Setup correct configuration of sub-ports on the DUT.
3.) Create a VLAN RIF with the same VLAN ID of sub-port.
4.) Added PortChannel interface to VLAN members.
5.) Delete a VLAN RIF.
6.) Make sure sub-port is available in redis-db.
7.) Verify that DUT sends ICMP reply packet to PTF.
8.) Clear configuration of sub-ports on the DUT.
9.) Clear configuration of sub-ports on the PTF.
Pass Criteria:
1.) Sub-port is available in redis-db.
2.) PTF gets ICMP reply packet from DUT.
"""
sub_ports = apply_config_on_the_dut['sub_ports']
for sub_port, value in sub_ports.items():
# Get VLAN ID from name of sub-port
vlan_vid = int(sub_port.split('.')[1])
# Create a VLAN RIF
setup_vlan(duthost, vlan_vid)
# Delete a VLAN RIF
remove_vlan(duthost, vlan_vid)
pytest_assert(check_sub_port(duthost, sub_port),
"Sub-port {} was deleted".format(sub_port))
generate_and_verify_traffic(duthost=duthost,
ptfadapter=ptfadapter,
src_port=value['neighbor_port'],
ip_src=value['neighbor_ip'],
dst_port=sub_port,
ip_dst=value['ip'],
pkt_action='fwd')