Esempio n. 1
0
def check_rif_on_sup(sup, rif, slot, asic, port):
    """
    Checks the router interface entry on the supervisor card.

    Args:
        sup: duthost for the supervisor card
        rif: OID of the router interface to check for.
        slot: The slot number the router interface is on.
        asic: The asic number the asic is on, or 0 if a single asic card.
        port: the name of the port (Ethernet1)

    """
    voqdb = VoqDbCli(sup)
    slot = str(slot)
    if slot.isdigit():
        slot_str = "Linecard" + slot
    else:
        slot_str = slot

    asic = str(asic)
    if asic.isdigit():
        asic_str = "Asic" + asic
    else:
        asic_str = asic

    key = "SYSTEM_INTERFACE|{}|{}|{}".format(slot_str, asic_str, port)
    voqdb.get_keys(key)
    logger.info("Found key {} on chassisdb on supervisor card".format(key))
Esempio n. 2
0
def check_voq_neighbor_on_sup(sup, slot, asic, port, neighbor, encap_index,
                              mac):
    """
     Checks the neighbor entry on the supervisor card.

     Args:
         sup: duthost for the supervisor card
         slot: The slot the router interface is on, as in system port table (Slot2).
         asic: The asic the router interface is on, as in the system port table (Asic0) .
         port: the name of the port (Ethernet1)
         neighbor: The IP of the neighbor
         encap_index: The encap ID of the neighbor from the local asic db
         mac: The MAC address of the neighbor

    Raises:
        Pytest Failed exception when assertions fail.

    """
    voqdb = VoqDbCli(sup)
    neigh_key = voqdb.get_neighbor_key_by_ip(neighbor)
    logger.info("Neigh key: %s, slotnum: %s", neigh_key, slot)
    pytest_assert("|%s|" % slot in neigh_key,
                  "Slot for %s does not match %s" % (neigh_key, slot))
    pytest_assert("|%s:" % port in neigh_key,
                  "Port for %s does not match %s" % (neigh_key, port))
    pytest_assert("|%s|" % asic in neigh_key,
                  "Asic for %s does not match %s" % (neigh_key, asic))

    voqdb.get_and_check_key_value(neigh_key, mac, field="neigh")
    voqdb.get_and_check_key_value(neigh_key, encap_index, field="encap_index")
Esempio n. 3
0
def get_lag_id_from_chassis_db(duthosts):
    """
    Get LAG id for a lag form CHASSIS_DB
    Args:
        duthosts: The duthost fixture.

    Returns:
        lag_ids <int>: lag id
    """
    for sup in duthosts.supervisor_nodes:
        voqdb = VoqDbCli(sup)
        lag_list = voqdb.get_lag_list()
        for lag in lag_list:
            if TMP_PC in lag:
                lag_id = voqdb.hget_key_value(lag, "lag_id")
                logging.info("LAG id for lag {} is {}".format(TMP_PC, lag_id))
                return lag_id

        pytest.fail("LAG id for lag {} is not preset in CHASSIS_DB".format(TMP_PC))
Esempio n. 4
0
def verify_lag_member_in_chassis_db(duthosts, members, deleted=False):
    """
    verifies lag members for a lag exist in chassis db
    cmd = 'redis-cli -h 10.0.5.16 -p 6380 -n 12 KEYS
     "*SYSTEM_LAG_MEMBER_TABLE*|PortChannel0051*|Ethernet*"'
    """
    for sup in duthosts.supervisor_nodes:
        voqdb = VoqDbCli(sup)
        lag_member_list = voqdb.get_lag_member_list()
        if deleted:
            for member in members:
                exist = False
                pattern = "{}.*{}".format(TMP_PC, member)
                for lag_member in lag_member_list:
                    if re.search(pattern, lag_member):
                        exist = True
                        break
                if exist:
                    pytest.fail(
                        'lag member {} not found in system lag member table {}'
                        .format(member, lag_member_list))

            logging.info(
                'lag members {} found in system lag member table {}'.format(
                    members, lag_member_list))

        else:
            for member in members:
                exist = False
                pattern = "{}.*{}".format(TMP_PC, member)
                for lag_member in lag_member_list:
                    if re.search(pattern, lag_member):
                        exist = True
                        logging.info(
                            'lag member {} found in system lag member table {}'
                            .format(member, lag_member))
                        break

                if not exist:
                    pytest.fail(
                        'lag member {} not found in system lag member table {}'
                        .format(member, lag_member_list))
Esempio n. 5
0
def get_lag_ids_from_chassis_db(duthosts):
    """
    Get lag_ids from CHASSIS_DB
    cmd = 'redis-dump -H 10.0.5.16 -p 6380 -d 12 -y -k "*SYSTEM_LAG_TABLE*PortChannel0016"'
      Args:
          duthosts: The duthost fixture.

      Returns:
          lag_ids<list>: lag id

    """
    lag_ids = list()
    for sup in duthosts.supervisor_nodes:
        voqdb = VoqDbCli(sup)
        lag_list = voqdb.get_lag_list()
        for lag in lag_list:
            lag_ids.append(voqdb.hget_key_value(lag, "lag_id"))

    logging.info("LAG id's preset in CHASSIS_DB are {}".format(lag_ids))
    return lag_ids
Esempio n. 6
0
def check_rif_on_sup(sup, rif, slot, asic, port):
    """
    Checks the router interface entry on the supervisor card.

    Args:
        sup: duthost for the supervisor card
        rif: OID of the router interface to check for.
        slot: The slot number the router interface is on.
        asic: The asic number the asic is on, or 0 if a single asic card.
        port: the name of the port (Ethernet1)

    """
    voqdb = VoqDbCli(sup)

    rif_oid = voqdb.get_router_interface_id(slot, asic, port)

    if rif_oid == rif:
        logger.info("RIF on sup: %s = %s", rif_oid, rif)
    elif rif_oid[-10:-1] == rif[-10:-1]:
        logger.warning("RIF on sup is a partial match: %s != %s", rif_oid, rif)
    else:
        logger.error("RIF on sup does not match: %s != %s" % (rif_oid, rif))
Esempio n. 7
0
def test_cycle_voq_intf(duthosts, all_cfg_facts, nbrhosts, nbr_macs):
    """
    Delete and recreate VOQ interface through config save/load.  Verify interface
    is removed after configdb reload and then recreated after loading initial minigraph.

    Args:
        duthosts: The duthosts fixture
        all_cfg_facts: all_cfg_facts fixture from voq conftest
        nbrhosts: nbrhosts fixture
        nbr_macs: nbr_macs fixture from voq conftest

    """

    duthost = duthosts.frontend_nodes[0]
    for asic in duthost.asics:
        cfg_facts = all_cfg_facts[duthost.hostname][
            asic.asic_index]['ansible_facts']
        check_voq_interfaces(duthosts, duthost, asic, cfg_facts)

    intf_asic = duthost.asics[0]
    intf_config_facts = duthost.config_facts(
        source='persistent', asic_index=intf_asic.asic_index)['ansible_facts']
    portchannel = intf_config_facts['PORTCHANNEL'].keys()[0]
    portchannel_members = intf_config_facts['PORTCHANNEL'][portchannel].get(
        'members')

    try:
        logger.info(
            "remove ethernet from a portchannel to use for interface create")
        intf = portchannel_members[0]
        logging.info('Deleting lag members {} from lag {} on dut {}'.format(
            portchannel_members, portchannel, duthost.hostname))
        for member in portchannel_members:
            duthost.shell("config portchannel {} member del {} {}".format(
                intf_asic.cli_ns_option, portchannel, member))

        logger.info("add an IP interface to a former member")
        cmd = "config interface {} ip add {} {}".format(
            intf_asic.cli_ns_option, intf, str(ADDR))
        logger.info("Execute: %s", cmd)
        duthost.shell(cmd)

        logger.info("Save and reload config")

        duthost.shell_cmds(cmds=["config save -y"])
        config_reload(duthost, config_source='config_db', wait=600)

        logger.info("Check interfaces after add.")
        for asic in duthost.asics:
            new_cfgfacts = duthost.config_facts(
                source='persistent',
                asic_index='all')[asic.asic_index]['ansible_facts']
            check_voq_interfaces(duthosts, duthost, asic, new_cfgfacts)

        logger.info(
            "Check interface on supervisor - should be present from chassis db."
        )
        if duthost.is_multi_asic and len(duthosts.supervisor_nodes) == 0:
            sup = duthost
        else:
            sup = duthosts.supervisor_nodes[0]
        voqdb = VoqDbCli(sup)

        key = "SYSTEM_INTERFACE|{}|{}|{}".format(
            intf_config_facts['DEVICE_METADATA']['localhost']['hostname'],
            intf_config_facts['DEVICE_METADATA']['localhost']['asic_name'],
            intf)

        voqdb.get_keys(key)

        logger.info("Remove an IP interface to a former member.")
        cmd = "config interface {} ip remove {} {}".format(
            intf_asic.cli_ns_option, intf, str(ADDR))
        logger.info("Execute: %s", cmd)
        duthost.shell(cmd)

        logger.info("Save and reload config")

        duthost.shell_cmds(cmds=["config save -y"])
        config_reload(duthost, config_source='config_db', wait=600)

        logger.info("check interface is gone after config reload")

        for asic in duthost.asics:
            new_cfgfacts = duthost.config_facts(
                source='persistent',
                asic_index='all')[asic.asic_index]['ansible_facts']
            check_voq_interfaces(duthosts, duthost, asic, new_cfgfacts)

        with pytest.raises(RedisKeyNotFound):
            voqdb.get_keys(key)
        logger.info(
            "-- Interface {} deleted from chassisdb on supervisor card".format(
                key))

    finally:
        # restore interface from minigraph
        logger.info("Restore config from minigraph.")
        config_reload(duthost, config_source='minigraph', wait=600)
        duthost.shell_cmds(cmds=["config save -y"])

        for asic in duthost.asics:
            new_cfgfacts = duthost.config_facts(
                source='persistent',
                asic_index='all')[asic.asic_index]['ansible_facts']
            check_voq_interfaces(duthosts, duthost, asic, new_cfgfacts)
Esempio n. 8
0
def check_voq_interfaces(duthosts, per_host, asic, cfg_facts):
    """
    Checks router interfaces on a dut.

    Args:
        duthosts: The duthosts fixture
        per_host: Instance of MultiAsicSonic host to check.
        asic: Instance of SonicAsic to check,
        cfg_facts: Config facts for the frontend duthost/asic under test

    """
    logger.info("Check router interfaces on node: %s, asic: %d",
                per_host.hostname, asic.asic_index)

    dev_intfs = cfg_facts.get('INTERFACE', {})
    voq_intfs = cfg_facts.get('VOQ_INBAND_INTERFACE', [])
    dev_sysports = get_device_system_ports(cfg_facts)

    rif_ports_in_asicdb = []

    # intf_list = get_router_interface_list(dev_intfs)
    asicdb = AsicDbCli(asic)
    asicdb_rif_table = asicdb.dump(asicdb.ASIC_ROUTERINTF_TABLE)
    sys_port_table = asicdb.dump(asicdb.ASIC_SYSPORT_TABLE)

    # asicdb_intf_key_list = asicdb.get_router_if_list()
    # Check each rif in the asicdb, if it is local port, check VOQ DB for correct RIF.
    # If it is on system port, verify slot/asic/port and OID match a RIF in VoQDB
    for rif in asicdb_rif_table.keys():
        rif_type = asicdb_rif_table[rif]['value'][
            "SAI_ROUTER_INTERFACE_ATTR_TYPE"]
        if rif_type != "SAI_ROUTER_INTERFACE_TYPE_PORT":
            logger.info("Skip this rif: %s, it is not on a port: %s", rif,
                        rif_type)
            continue
        else:
            portid = asicdb_rif_table[rif]['value'][
                "SAI_ROUTER_INTERFACE_ATTR_PORT_ID"]
            logger.info("Process RIF %s, Find port with ID: %s", rif, portid)

        porttype = asicdb.get_rif_porttype(portid)
        logger.info("RIF: %s is of type: %s", rif, porttype)
        if porttype == 'hostif':
            # find the hostif entry to get the physical port the router interface is on.
            hostifkey = asicdb.find_hostif_by_portid(portid)
            hostif = asicdb.hget_key_value(hostifkey, 'SAI_HOSTIF_ATTR_NAME')
            logger.info("RIF: %s is on local port: %s", rif, hostif)
            rif_ports_in_asicdb.append(hostif)
            if hostif not in dev_intfs and hostif not in voq_intfs:
                pytest.fail(
                    "Port: %s has a router interface, but it isn't in configdb."
                    % portid)

            # check MTU and ethernet address
            pytest_assert(
                asicdb_rif_table[rif]['value']["SAI_ROUTER_INTERFACE_ATTR_MTU"]
                == cfg_facts['PORT'][hostif]['mtu'],
                "MTU for rif %s is not %s" %
                (rif, cfg_facts['PORT'][hostif]['mtu']))
            intf_mac = get_sonic_mac(per_host, asic.asic_index, hostif)
            pytest_assert(
                asicdb_rif_table[rif]['value']
                ["SAI_ROUTER_INTERFACE_ATTR_SRC_MAC_ADDRESS"].lower() ==
                intf_mac.lower(), "MAC for rif %s is not %s" % (rif, intf_mac))

            sysport_info = {
                'slot': cfg_facts['DEVICE_METADATA']['localhost']['hostname'],
                'asic': cfg_facts['DEVICE_METADATA']['localhost']['asic_name']
            }

            if per_host.is_multi_asic and len(duthosts.supervisor_nodes) == 0:
                check_rif_on_sup(per_host, sysport_info['slot'],
                                 sysport_info['asic'], hostif)
            else:
                for sup in duthosts.supervisor_nodes:
                    check_rif_on_sup(sup, sysport_info['slot'],
                                     sysport_info['asic'], hostif)

        elif porttype == 'sysport':
            try:
                port_output = sys_port_table[
                    "ASIC_STATE:SAI_OBJECT_TYPE_SYSTEM_PORT:" +
                    portid]['value']['SAI_SYSTEM_PORT_ATTR_CONFIG_INFO']
            except KeyError:
                # not a hostif or system port, log error and continue
                logger.error("Did not find OID %s in local or system tables" %
                             portid)
                continue
            port_data = json.loads(port_output)
            for cfg_port in dev_sysports:
                if dev_sysports[cfg_port]['system_port_id'] == port_data[
                        'port_id']:
                    logger.info("RIF: %s is on remote port: %s", rif, cfg_port)
                    break
            else:
                raise AssertionError(
                    "Did not find OID %s in local or system tables" % portid)

            sys_slot, sys_asic, sys_port = cfg_port.split("|")
            if per_host.is_multi_asic and len(duthosts.supervisor_nodes) == 0:
                check_rif_on_sup(per_host, sys_slot, sys_asic, sys_port)
            else:
                for sup in duthosts.supervisor_nodes:
                    check_rif_on_sup(sup, sys_slot, sys_asic, sys_port)

        elif porttype == 'port':
            # this is the RIF on the inband port.
            inband = get_inband_info(cfg_facts)
            logger.info("RIF: %s is on local port: %s", rif, inband['port'])

            # check MTU and ethernet address
            pytest_assert(
                asicdb_rif_table[rif]['value']["SAI_ROUTER_INTERFACE_ATTR_MTU"]
                == cfg_facts['PORT'][inband['port']]['mtu'],
                "MTU for rif %s is not %s" %
                (rif, cfg_facts['PORT'][inband['port']]['mtu']))
            intf_mac = get_sonic_mac(per_host, asic.asic_index, inband['port'])
            pytest_assert(
                asicdb_rif_table[rif]['value']
                ["SAI_ROUTER_INTERFACE_ATTR_SRC_MAC_ADDRESS"].lower() ==
                intf_mac.lower(), "MAC for rif %s is not %s" % (rif, intf_mac))

            sysport_info = {
                'slot': cfg_facts['DEVICE_METADATA']['localhost']['hostname'],
                'asic': cfg_facts['DEVICE_METADATA']['localhost']['asic_name']
            }

            if per_host.is_multi_asic and len(duthosts.supervisor_nodes) == 0:
                check_rif_on_sup(per_host, sysport_info['slot'],
                                 sysport_info['asic'], inband['port'])
            else:
                for sup in duthosts.supervisor_nodes:
                    check_rif_on_sup(sup, sysport_info['slot'],
                                     sysport_info['asic'], inband['port'])

        # TODO: Could be on a LAG
        elif porttype == 'lag':
            lagid = asicdb.hget_key_value(
                "%s:%s" % (AsicDbCli.ASIC_LAG_TABLE, portid),
                'SAI_LAG_ATTR_SYSTEM_PORT_AGGREGATE_ID')
            logger.info("RIF: %s is on system LAG: %s", rif, lagid)

            if per_host.is_multi_asic and len(duthosts.supervisor_nodes) == 0:
                voqdb = VoqDbCli(per_host)
            else:
                voqdb = VoqDbCli(duthosts.supervisor_nodes[0])

            systemlagtable = voqdb.dump("SYSTEM_LAG_ID_TABLE")
            for lag, sysid in systemlagtable['SYSTEM_LAG_ID_TABLE'][
                    'value'].iteritems():
                if sysid == lagid:
                    logger.info("System LAG ID %s is portchannel: %s", lagid,
                                lag)
                    break

            myslot = cfg_facts['DEVICE_METADATA']['localhost']['hostname']
            myasic = cfg_facts['DEVICE_METADATA']['localhost']['asic_name']
            if lag.startswith("%s|%s" % (myslot, myasic)):
                logger.info(
                    "Lag: %s is a local portchannel with a router interface.",
                    lag)
                (s, a, lagname) = lag.split("|")
                pytest_assert(
                    lagname in cfg_facts['PORTCHANNEL_INTERFACE'],
                    "RIF Interface %s is in configdb.json but not in asicdb" %
                    rif)

                if per_host.is_multi_asic and len(
                        duthosts.supervisor_nodes) == 0:
                    check_rif_on_sup(per_host, myslot, myasic, lagname)
                else:
                    for sup in duthosts.supervisor_nodes:
                        check_rif_on_sup(sup, myslot, myasic, lagname)

            else:
                logger.info(
                    "Lag: %s is a remote portchannel with a router interface.",
                    lag)

    # Verify each RIF in config had a corresponding local port RIF in the asicDB.
    for rif in dev_intfs:
        if rif not in rif_ports_in_asicdb:
            raise AssertionError(
                "Interface %s is in configdb.json but not in asicdb" % rif)

    logger.info("Interfaces %s are present in configdb.json and asicdb" %
                str(dev_intfs.keys()))
Esempio n. 9
0
def get_t2_fib_info(duthosts, duts_cfg_facts, duts_mg_facts):
    """Get parsed FIB information from redis DB for T2 topology.

    Args:
        duthosts (DutHosts): Instance of DutHosts for interacting with DUT hosts
        duts_cfg_facts (dict): Running config facts of all DUT hosts.
        duts_mg_facts (dict): Minigraph facts of all DUT hosts.

    Returns:
        dict: Map of prefix to PTF ports that are connected to DUT output ports.
            {
                '192.168.0.0/21': [],
                '192.168.8.0/25': [[58 59] [62 63] [66 67] [70 71]],
                '192.168.16.0/25': [[58 59] [62 63] [66 67] [70 71]],
                ...
                '20c0:c2e8:0:80::/64': [[58 59] [62 63] [66 67] [70 71]],
                '20c1:998::/64': [[58 59] [62 63] [66 67] [70 71]],
                ...
            }
    """
    timestamp = datetime.now().strftime('%Y-%m-%d-%H:%M:%S')
    fib_info = {}

    # Collect system neighbors, inband intf and port channel info to resolve ptf ports
    # for system neigh or lags.
    voq_db = VoqDbCli(duthosts.supervisor_nodes[0])
    sys_neigh = {}
    for entry in voq_db.dump_neighbor_table():
        neigh_key = entry.split('|')
        neigh_ip = neigh_key[-1]
        sys_neigh[neigh_ip] = {
            'duthost_name': neigh_key[-4],
            'intf': neigh_key[-2]
        }
    dut_inband_intfs = {}
    dut_port_channels = {}
    for duthost in duthosts.frontend_nodes:
        cfg_facts = duts_cfg_facts[duthost.hostname]
        for asic_cfg_facts in cfg_facts:
            dut_inband_intfs.setdefault(duthost.hostname, []).extend(
                asic_cfg_facts['VOQ_INBAND_INTERFACE'])
            dut_port_channels.setdefault(duthost.hostname, {}).update(
                asic_cfg_facts.get('PORTCHANNEL', {}))

    for duthost in duthosts.frontend_nodes:
        cfg_facts = duts_cfg_facts[duthost.hostname]
        mg_facts = duts_mg_facts[duthost.hostname]
        for asic_index, asic_cfg_facts in enumerate(cfg_facts):
            asic = duthost.asic_instance(asic_index)

            asic.shell(
                "{} redis-dump -d 0 -k 'ROUTE*' -y > /tmp/fib.{}.txt".format(
                    asic.ns_arg, timestamp))
            duthost.fetch(src="/tmp/fib.{}.txt".format(timestamp),
                          dest="/tmp/fib")

            po = asic_cfg_facts.get('PORTCHANNEL', {})
            ports = asic_cfg_facts.get('PORT', {})

            with open("/tmp/fib/{}/tmp/fib.{}.txt".format(
                    duthost.hostname, timestamp)) as fp:
                fib = json.load(fp)
                for k, v in fib.items():
                    skip = False

                    prefix = k.split(':', 1)[1]
                    ifnames = v['value']['ifname'].split(',')
                    nh = v['value']['nexthop']
                    nh_ips = nh.split(',')

                    oports = []
                    for idx, ifname in enumerate(ifnames):
                        if po.has_key(ifname):
                            # ignore the prefix, if the prefix nexthop is not a frontend port
                            if 'members' in po[ifname]:
                                if 'role' in ports[po[ifname]['members'][
                                        0]] and ports[po[ifname]['members']
                                                      [0]]['role'] == 'Int':
                                    if len(oports) == 0:
                                        skip = True
                                else:
                                    oports.append([
                                        str(mg_facts['minigraph_ptf_indices']
                                            [x]) for x in po[ifname]['members']
                                    ])
                                    skip = False
                        else:
                            if ports.has_key(ifname):
                                if 'role' in ports[ifname] and ports[ifname][
                                        'role'] == 'Int':
                                    if len(oports) == 0:
                                        skip = True
                                elif 'role' in ports[ifname] and ports[ifname][
                                        'role'] == 'Inb':
                                    if nh == '0.0.0.0' or nh == '::':
                                        # This is a system or inband neighbor.
                                        neigh_ip = prefix
                                    else:
                                        neigh_ip = nh_ips[idx]
                                    remote_duthost_name = sys_neigh[neigh_ip][
                                        'duthost_name']
                                    remote_neigh_intf = sys_neigh[neigh_ip][
                                        'intf']

                                    # Skip route for inband neighbors.
                                    if remote_neigh_intf in dut_inband_intfs[
                                            remote_duthost_name]:
                                        skip = True
                                        continue

                                    remote_dut_mg_facts = duts_mg_facts[
                                        remote_duthost_name]
                                    if remote_neigh_intf.startswith(
                                            'PortChannel'):
                                        # The nexthop is a system lag.
                                        if dut_port_channels[
                                                remote_duthost_name].has_key(
                                                    remote_neigh_intf):
                                            oports.append([
                                                str(remote_dut_mg_facts[
                                                    'minigraph_ptf_indices']
                                                    [x])
                                                for x in dut_port_channels[
                                                    remote_duthost_name]
                                                [remote_neigh_intf]['members']
                                            ])
                                        else:
                                            pytest_assert(
                                                False,
                                                "Coundn't find {} in the config of {}"
                                                .format(
                                                    remote_neigh_intf,
                                                    remote_duthost_name))
                                    else:
                                        # The nexthop is a system neighbor.
                                        oports.append([
                                            str(remote_dut_mg_facts[
                                                'minigraph_ptf_indices']
                                                [remote_neigh_intf])
                                        ])
                                else:
                                    oports.append([
                                        str(mg_facts['minigraph_ptf_indices']
                                            [ifname])
                                    ])
                                    skip = False
                            else:
                                logger.info(
                                    "Route point to non front panel port {}:{}"
                                    .format(k, v))
                                skip = True

                    # skip direct attached subnet
                    if nh == '0.0.0.0' or nh == '::' or nh == "":
                        skip = True

                    if not skip:
                        if prefix in fib_info:
                            # Do not add the egress ports if they are already added.
                            for ops in oports:
                                if ops not in fib_info[prefix]:
                                    fib_info[prefix].append(ops)
                        else:
                            fib_info[prefix] = oports

    return fib_info