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')
Exemple #2
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def apply_route_config_for_port(request, duthost, ptfhost,
                                define_sub_ports_configuration,
                                apply_config_on_the_dut,
                                apply_config_on_the_ptf):
    """
    Apply route configuration on the PTF and remove after tests

    Args:
        request: pytest request object
        duthost: DUT host object
        ptfhost: PTF host object
        define_sub_ports_configuration: Dictonary of parameters for configuration DUT
        apply_config_on_the_dut: fixture for applying sub-ports configuration on the DUT
        apply_config_on_the_ptf: fixture for applying sub-ports configuration on the PTF

    Yields:
        Dictonary of parameters for configuration DUT and PTF host
    """
    port_map = {}
    vlan_id = 999

    sub_ports = define_sub_ports_configuration['sub_ports']
    dut_ports = define_sub_ports_configuration['dut_ports']
    port_type = define_sub_ports_configuration['port_type']
    subnet = define_sub_ports_configuration['subnet']

    # Get additional port for configuration of SVI port or L3 RIF
    if 'svi' in request.param:
        interface_num = 1
    else:
        interface_num = 2
    dut_ports, ptf_ports = get_port(duthost,
                                    ptfhost,
                                    interface_num,
                                    port_type,
                                    dut_ports.values(),
                                    exclude_sub_interface_ports=True)

    # Get additional IP addresses for configuration of RIF on the DUT and PTF
    subnet = ipaddress.ip_network(str(subnet.broadcast_address + 1) + u'/24')
    subnets = [i for i, _ in zip(subnet.subnets(new_prefix=30), dut_ports)]

    sub_ports_keys = sub_ports.copy()

    for dut_port, ptf_port, subnet in zip(dut_ports.values(), ptf_ports,
                                          subnets):
        dut_port_ip, ptf_port_ip = ('{}/{}'.format(host, 30)
                                    for host in subnet.hosts())
        remove_ip_from_port(duthost, dut_port)

        if 'svi' in request.param:
            # Configure  SVI port on the DUT
            ptf_port = '{}.{}'.format(ptf_port, vlan_id)
            remove_member_from_vlan(duthost, vlan_id, dut_port)
            setup_vlan(duthost, vlan_id)
            add_member_to_vlan(duthost, vlan_id, dut_port)
            add_ip_to_dut_port(duthost, 'Vlan{}'.format(vlan_id), dut_port_ip)
            # Configure additional sub-port for connection between SVI port of the DUT and PTF
            create_sub_port_on_ptf(ptfhost, ptf_port, ptf_port_ip)
        else:
            # should remove port from Vlan1000 first to configure L3 RIF
            remove_member_from_vlan(duthost, '1000', dut_port)
            # Configure L3 RIF on the DUT
            add_ip_to_dut_port(duthost, dut_port, dut_port_ip)
            # Configure L3 RIF on the PTF
            add_ip_to_ptf_port(ptfhost, ptf_port, ptf_port_ip)

        # Get two random sub-ports which are not part of the selected DUT interface
        sub_ports_on_port = random.sample([
            sub_port
            for sub_port in sub_ports_keys if dut_port + '.' not in sub_port
        ], 2)

        for sub_port in sub_ports_on_port:
            sub_ports_keys.pop(sub_port)

        port_map[ptf_port] = {
            'dut_port': dut_port,
            'ip': ptf_port_ip,
            'neighbor_ip': dut_port_ip,
            'dst_ports': []
        }

        # Configure static route between selected sub-ports and selected interfaces on the PTF
        for next_hop_sub_port in sub_ports_on_port:
            name_of_namespace = 'vnet_for_{}'.format(next_hop_sub_port)
            dst_port_network = ipaddress.ip_network(unicode(
                sub_ports[next_hop_sub_port]['neighbor_ip']),
                                                    strict=False)

            # Add selected sub-port to namespace on the PTF
            add_port_to_namespace(
                ptfhost, name_of_namespace,
                sub_ports[next_hop_sub_port]['neighbor_port'],
                sub_ports[next_hop_sub_port]['neighbor_ip'])

            # Add static route from sub-port to selected interface on the PTF
            add_static_route_to_ptf(ptfhost, subnet,
                                    sub_ports[next_hop_sub_port]['ip'],
                                    name_of_namespace)
            # Add static route from selected interface to sub-port on the PTF
            add_static_route_to_ptf(ptfhost, dst_port_network, dut_port_ip)

            port_map[ptf_port]['dst_ports'].append(
                (next_hop_sub_port, name_of_namespace))

    yield {'port_map': port_map, 'sub_ports': sub_ports}

    # Teardown
    for src_port, next_hop_sub_ports in port_map.items():
        src_port_network = ipaddress.ip_network(unicode(
            next_hop_sub_ports['ip']),
                                                strict=False)

        # Remove static route between selected sub-ports and selected interfaces from the PTF
        for sub_port, name_of_namespace in next_hop_sub_ports['dst_ports']:
            dst_port_network = ipaddress.ip_network(unicode(
                sub_ports[sub_port]['ip']),
                                                    strict=False)
            remove_static_route_from_ptf(ptfhost, src_port_network,
                                         sub_ports[sub_port]['ip'],
                                         name_of_namespace)
            remove_static_route_from_ptf(ptfhost, dst_port_network,
                                         next_hop_sub_ports['neighbor_ip'])
            remove_namespace(ptfhost, name_of_namespace)

        if 'svi' in request.param:
            # Remove SVI port from the DUT
            remove_member_from_vlan(duthost, vlan_id,
                                    next_hop_sub_ports['dut_port'])
            remove_ip_from_port(duthost,
                                'Vlan{}'.format(vlan_id),
                                ip=next_hop_sub_ports['neighbor_ip'])
            # Remove additional sub-port from the PTF
            remove_sub_port_from_ptf(ptfhost, src_port,
                                     next_hop_sub_ports['ip'])

            if 'port_in_lag' in port_type:
                bond_port = src_port.split('.')[0]
                cfg_facts = duthost.config_facts(
                    host=duthost.hostname, source="running")['ansible_facts']
                remove_lag_port(duthost, cfg_facts,
                                next_hop_sub_ports['dut_port'])
                remove_bond_port(ptfhost, bond_port, ptf_ports[bond_port])
        else:
            # Remove L3 RIF from the DUT
            remove_ip_from_port(duthost,
                                next_hop_sub_ports['dut_port'],
                                ip=next_hop_sub_ports['neighbor_ip'])
            # Remove L3 RIF from the PTF
            remove_ip_from_ptf_port(ptfhost, src_port,
                                    next_hop_sub_ports['ip'])

            if 'port_in_lag' in port_type:
                bond_port = src_port
                cfg_facts = duthost.config_facts(
                    host=duthost.hostname, source="running")['ansible_facts']
                remove_lag_port(duthost, cfg_facts,
                                next_hop_sub_ports['dut_port'])
                remove_bond_port(ptfhost, bond_port, ptf_ports[bond_port])

    if 'svi' in request.param:
        remove_vlan(duthost, vlan_id)