[mirror_frr.git] / tests / topotests / bgp_local_asn / test_bgp_local_asn_vrf_topo2.py

#!/usr/bin/env python3
# SPDX-License-Identifier: ISC
#
# Copyright (c) 2022 by VMware, Inc. ("VMware")
# Used Copyright (c) 2018 by Network Device Education Foundation,
# Inc. ("NetDEF") in this file.
#

"""
1. Verify the BGP Local AS functionality by adding new AS when leaking routes
 from non-default VRF to non-default with route map by prefix lists.
"""

import os
import sys
import time
import pytest

# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
sys.path.append(os.path.join(CWD, "../lib/"))

# pylint: disable=C0413
# Import topogen and topotest helpers
from lib.topogen import Topogen, get_topogen
from lib.topotest import version_cmp

from lib.common_config import (
    start_topology,
    write_test_header,
    create_static_routes,
    write_test_footer,
    reset_config_on_routers,
    verify_rib,
    step,
    check_address_types,
    check_router_status,
    create_static_routes,
    create_prefix_lists,
    verify_fib_routes,
    create_route_maps,
)

from lib.topolog import logger
from lib.bgp import (
    verify_bgp_convergence,
    verify_bgp_rib,
    create_router_bgp,
)
from lib.topojson import build_config_from_json

pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]

# Global variables
BGP_CONVERGENCE = False
ADDR_TYPES = check_address_types()
NETWORK = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"}
NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}


def setup_module(mod):
    """
    Sets up the pytest environment

    * `mod`: module name
    """

    testsuite_run_time = time.asctime(time.localtime(time.time()))
    logger.info("Testsuite start time: {}".format(testsuite_run_time))
    logger.info("=" * 40)

    logger.info("Running setup_module to create topology")

    # This function initiates the topology build with Topogen...
    json_file = "{}/bgp_local_asn_vrf_topo2.json".format(CWD)
    tgen = Topogen(json_file, mod.__name__)
    global topo
    topo = tgen.json_topo
    # ... and here it calls Mininet initialization functions.

    # Starting topology, create tmp files which are loaded to routers
    #  to start daemons and then start routers
    start_topology(tgen)

    # Creating configuration from JSON
    build_config_from_json(tgen, topo)

    global BGP_CONVERGENCE
    global ADDR_TYPES
    ADDR_TYPES = check_address_types()

    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
    assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format(
        BGP_CONVERGENCE
    )

    logger.info("Running setup_module() done")


def teardown_module():
    """Teardown the pytest environment"""

    logger.info("Running teardown_module to delete topology")

    tgen = get_topogen()

    # Stop toplogy and Remove tmp files
    tgen.stop_topology()

    logger.info(
        "Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
    )
    logger.info("=" * 40)


################################################################################################
#
#   Testcases
#
###############################################################################################


def test_verify_local_asn_ipv4_import_from_non_default_to_non_default_VRF_p0(request):
    """
    Verify the BGP Local AS functionality by adding new AS when leaking routes
    from non-default VRF to non-default with route map by prefix lists.
    """
    tgen = get_topogen()
    global BGP_CONVERGENCE
    if BGP_CONVERGENCE != True:
        pytest.skip("skipped because of BGP Convergence failure")

    # test case name
    tc_name = request.node.name
    write_test_header(tc_name)
    if tgen.routers_have_failure():
        check_router_status(tgen)
    reset_config_on_routers(tgen)

    step("Base config is done as part of JSON")

    # configure static routes
    step("Advertise prefix 10.1.1.0/32 from Router-1(AS-100).")
    step("Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100).")
    dut = "r2"
    for addr_type in ADDR_TYPES:
        # Enable static routes
        input_dict_static_route = {
            "r2": {
                "static_routes": [
                    {
                        "network": NETWORK[addr_type],
                        "next_hop": NEXT_HOP_IP[addr_type],
                        "vrf": "RED",
                    }
                ]
            }
        }

        logger.info("Configure static routes")
        result = create_static_routes(tgen, input_dict_static_route)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

    step("configure redistribute static in Router BGP in R2")
    input_dict_static_route_redist = {
        "r2": {
            "bgp": {
                "local_as": 200,
                "vrf": "RED",
                "address_family": {
                    "ipv4": {
                        "unicast": {
                            "redistribute": [
                                {"redist_type": "static"},
                                {"redist_type": "connected"},
                            ]
                        }
                    },
                    "ipv6": {
                        "unicast": {
                            "redistribute": [
                                {"redist_type": "static"},
                                {"redist_type": "connected"},
                            ]
                        }
                    },
                },
            }
        }
    }
    result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)

    step("Configure import vrf BLUE from vrf RED on R3 under IPv4 Address Family")
    input_import_vrf_ipv4 = {
        "r3": {
            "bgp": [
                {
                    "local_as": 300,
                    "vrf": "BLUE",
                    "address_family": {
                        "ipv4": {"unicast": {"import": {"vrf": "RED"}}},
                        "ipv6": {"unicast": {"import": {"vrf": "RED"}}},
                    },
                }
            ]
        }
    }
    result = create_router_bgp(tgen, topo, input_import_vrf_ipv4)
    assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)

    step("Verify IPv4 and IPv6 static routes received on R3 VRF BLUE & R4 VRF BLUE")
    for addr_type in ADDR_TYPES:
        static_routes_input = {
            "r2": {
                "static_routes": [
                    {
                        "network": NETWORK[addr_type],
                        "next_hop": NEXT_HOP_IP[addr_type],
                        "vrf": "BLUE",
                    }
                ]
            }
        }
        for dut in ["r3", "r4"]:
            result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
            assert result is True, "Testcase {} : Failed \n Error: {}".format(
                tc_name, result
            )
            result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
            assert result is True, "Testcase {} : Failed \n Error: {}".format(
                tc_name, result
            )

    step("Configure local-as at R3 towards R2.")
    for addr_type in ADDR_TYPES:
        input_dict_r3_to_r2 = {
            "r3": {
                "vrfs": [{"name": "RED", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "RED",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r2": {
                                            "dest_link": {
                                                "r3": {"local_asn": {"local_as": "110"}}
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_r3_to_r2)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure local-as at R3 towards R4.")
    for addr_type in ADDR_TYPES:
        input_dict_r3_to_r4 = {
            "r3": {
                "vrfs": [{"name": "BLUE", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "BLUE",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r4": {
                                            "dest_link": {
                                                "r3": {"local_asn": {"local_as": "110"}}
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_r3_to_r4)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure remote-as at R2 towards R3.")
    for addr_type in ADDR_TYPES:
        input_dict_r2_to_r3 = {
            "r2": {
                "vrfs": [{"name": "RED", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "200",
                        "vrf": "RED",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r3": {
                                            "dest_link": {
                                                "r2": {
                                                    "local_asn": {"remote_as": "110"}
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_r2_to_r3)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure remote-as at R4 towards R3.")
    for addr_type in ADDR_TYPES:
        input_dict_r4_to_r3 = {
            "r4": {
                "vrfs": [{"name": "BLUE", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "400",
                        "vrf": "BLUE",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r3": {
                                            "dest_link": {
                                                "r4": {
                                                    "local_asn": {"remote_as": "110"}
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_r4_to_r3)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("BGP neighborship is verified by following commands in R3 routers")
    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
    assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
        BGP_CONVERGENCE
    )

    step("Verify IPv4 and IPv6 static routes received on R3 VRF BLUE & R4 VRF BLUE")
    for addr_type in ADDR_TYPES:
        static_routes_input = {
            "r2": {
                "static_routes": [
                    {
                        "network": NETWORK[addr_type],
                        "next_hop": NEXT_HOP_IP[addr_type],
                        "vrf": "BLUE",
                    }
                ]
            }
        }
        for dut in ["r3", "r4"]:
            result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
            assert result is True, "Testcase {} : Failed \n Error: {}".format(
                tc_name, result
            )

            result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
            assert result is True, "Testcase {} : Failed \n Error: {}".format(
                tc_name, result
            )

    step(
        "Verify that AS-110 is got added in the AS list 110 200 100 by following "
        " commands at R3 router."
    )
    dut = "r3"
    aspath = "110 200"
    for addr_type in ADDR_TYPES:
        input_static_r2 = {
            "r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
        }
        result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

    # configure the prefix-list and route-maps.
    for adt in ADDR_TYPES:
        # Create Static routes
        input_dict_rm1 = {
            "r2": {
                "static_routes": [
                    {
                        "network": NETWORK[adt],
                        "no_of_ip": 1,
                        "next_hop": NEXT_HOP_IP[adt],
                        "vrf": "RED",
                    }
                ]
            }
        }

        result = create_static_routes(tgen, input_dict_rm1)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

        # Api call to redistribute static routes
        input_dict_rm_rd = {
            "r2": {
                "bgp": {
                    "local_as": 200,
                    "address_family": {
                        "ipv4": {
                            "unicast": {
                                "redistribute": [
                                    {"redist_type": "static"},
                                    {"redist_type": "connected"},
                                ]
                            }
                        },
                        "ipv6": {
                            "unicast": {
                                "redistribute": [
                                    {"redist_type": "static"},
                                    {"redist_type": "connected"},
                                ]
                            }
                        },
                    },
                }
            }
        }

        result = create_router_bgp(tgen, topo, input_dict_rm_rd)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

        input_dict_rm_pl = {
            "r3": {
                "prefix_lists": {
                    "ipv4": {
                        "pf_list_1_ipv4": [
                            {
                                "seqid": 10,
                                "action": "permit",
                                "network": NETWORK["ipv4"],
                            }
                        ]
                    },
                    "ipv6": {
                        "pf_list_1_ipv6": [
                            {
                                "seqid": 100,
                                "action": "permit",
                                "network": NETWORK["ipv6"],
                            }
                        ]
                    },
                }
            }
        }
        result = create_prefix_lists(tgen, input_dict_rm_pl)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

        # Create route map
        for addr_type in ADDR_TYPES:
            input_dict_rm_r3 = {
                "r3": {
                    "route_maps": {
                        "rmap_match_tag_1_{}".format(addr_type): [
                            {
                                "action": "permit",
                                "match": {
                                    addr_type: {
                                        "prefix_lists": "pf_list_1_{}".format(addr_type)
                                    }
                                },
                            }
                        ],
                        "rmap_match_tag_2_{}".format(addr_type): [
                            {
                                "action": "permit",
                                "match": {
                                    addr_type: {
                                        "prefix_lists": "pf_list_2_{}".format(addr_type)
                                    }
                                },
                            }
                        ],
                    }
                }
            }
            result = create_route_maps(tgen, input_dict_rm_r3)
            assert result is True, "Testcase {} : Failed \n Error: {}".format(
                tc_name, result
            )

        # Configure neighbor for route map
        input_dict_conf_neighbor_rm = {
            "r3": {
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "BLUE",
                        "address_family": {
                            "ipv4": {
                                "unicast": {
                                    "neighbor": {
                                        "r4": {
                                            "dest_link": {
                                                "r3": {
                                                    "route_maps": [
                                                        {
                                                            "name": "rmap_match_tag_1_ipv4",
                                                            "direction": "out",
                                                        },
                                                        {
                                                            "name": "rmap_match_tag_1_ipv4",
                                                            "direction": "out",
                                                        },
                                                    ]
                                                }
                                            }
                                        }
                                    }
                                }
                            },
                            "ipv6": {
                                "unicast": {
                                    "neighbor": {
                                        "r4": {
                                            "dest_link": {
                                                "r3": {
                                                    "route_maps": [
                                                        {
                                                            "name": "rmap_match_tag_1_ipv6",
                                                            "direction": "in",
                                                        },
                                                        {
                                                            "name": "rmap_match_tag_1_ipv6",
                                                            "direction": "out",
                                                        },
                                                    ]
                                                }
                                            }
                                        }
                                    }
                                }
                            },
                        },
                    }
                ]
            }
        }

        result = create_router_bgp(tgen, topo, input_dict_conf_neighbor_rm)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

    for adt in ADDR_TYPES:
        # Verifying RIB routes
        dut = "r3"
        input_dict_r2_rib = {
            "r2": {
                "static_routes": [
                    {
                        "network": [NETWORK[adt]],
                        "no_of_ip": 1,
                        "next_hop": NEXT_HOP_IP[adt],
                        "vrf": "RED",
                    }
                ]
            }
        }
        result = verify_rib(tgen, adt, dut, input_dict_r2_rib)
        assert result is True, "Testcase {}: Failed \n Error: {}".format(
            tc_name, result
        )

        # Verifying RIB routes
        dut = "r4"
        input_dict_r2_rib = {
            "r2": {
                "static_routes": [
                    {
                        "network": [NETWORK[adt]],
                        "no_of_ip": 1,
                        "next_hop": NEXT_HOP_IP[adt],
                        "vrf": "BLUE",
                    }
                ]
            }
        }
        result = verify_rib(tgen, adt, dut, input_dict_r2_rib)
        assert result is True, "Testcase {}: Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure local-as with no-prepend at R3 towards R2.")
    for addr_type in ADDR_TYPES:
        input_dict_no_prep_r3_to_r2 = {
            "r3": {
                "vrfs": [{"name": "RED", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "RED",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r2": {
                                            "dest_link": {
                                                "r3": {
                                                    "local_asn": {
                                                        "local_as": "110",
                                                        "no_prepend": True,
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r2)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure local-as with no-prepend at R3 towards R4.")
    for addr_type in ADDR_TYPES:
        input_dict_no_prep_r3_to_r4 = {
            "r3": {
                "vrfs": [{"name": "BLUE", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "BLUE",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r4": {
                                            "dest_link": {
                                                "r3": {
                                                    "local_asn": {
                                                        "local_as": "110",
                                                        "no_prepend": True,
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("BGP neighborship is verified by following commands in R3 routers")
    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
    assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
        BGP_CONVERGENCE
    )

    dut = "r3"
    aspath = "200"
    for addr_type in ADDR_TYPES:
        input_static_r2 = {
            "r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
        }
        result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure local-as with no-prepend and replace-as at R3 towards R2")
    for addr_type in ADDR_TYPES:
        input_dict_no_prep_rep_as_r3_to_r2 = {
            "r3": {
                "vrfs": [{"name": "RED", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "RED",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r2": {
                                            "dest_link": {
                                                "r3": {
                                                    "local_asn": {
                                                        "local_as": "110",
                                                        "no_prepend": True,
                                                        "replace_as": True,
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r2)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("Configure local-as with no-prepend and replace-as at R3 towards R4")
    for addr_type in ADDR_TYPES:
        input_dict_no_prep_rep_as_r3_to_r4 = {
            "r3": {
                "vrfs": [{"name": "BLUE", "id": "1"}],
                "bgp": [
                    {
                        "local_as": "300",
                        "vrf": "BLUE",
                        "address_family": {
                            addr_type: {
                                "unicast": {
                                    "neighbor": {
                                        "r4": {
                                            "dest_link": {
                                                "r3": {
                                                    "local_asn": {
                                                        "local_as": "110",
                                                        "no_prepend": True,
                                                        "replace_as": True,
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        },
                    }
                ],
            }
        }
        result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4)
        assert result is True, "Testcase {} :Failed \n Error: {}".format(
            tc_name, result
        )

    step("BGP neighborship is verified by following commands in R3 routers")
    BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
    assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
        BGP_CONVERGENCE
    )

    dut = "r4"
    aspath = "110 200"
    for addr_type in ADDR_TYPES:
        input_static_r2 = {
            "r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
        }
        result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
        assert result is True, "Testcase {} : Failed \n Error: {}".format(
            tc_name, result
        )

    write_test_footer(tc_name)


if __name__ == "__main__":
    args = ["-s"] + sys.argv[1:]
    sys.exit(pytest.main(args))
Commit	Line	Data
a65b1a75	1	#!/usr/bin/env python3
acddc0ed	2	# SPDX-License-Identifier: ISC
a65b1a75 KK	3	#
	4	# Copyright (c) 2022 by VMware, Inc. ("VMware")
	5	# Used Copyright (c) 2018 by Network Device Education Foundation,
	6	# Inc. ("NetDEF") in this file.
	7	#
a65b1a75 KK	8
	9	"""
	10	1. Verify the BGP Local AS functionality by adding new AS when leaking routes
	11	from non-default VRF to non-default with route map by prefix lists.
	12	"""
	13
	14	import os
	15	import sys
	16	import time
	17	import pytest
	18
	19	# Save the Current Working Directory to find configuration files.
	20	CWD = os.path.dirname(os.path.realpath(__file__))
	21	sys.path.append(os.path.join(CWD, "../"))
	22	sys.path.append(os.path.join(CWD, "../lib/"))
	23
	24	# pylint: disable=C0413
	25	# Import topogen and topotest helpers
	26	from lib.topogen import Topogen, get_topogen
	27	from lib.topotest import version_cmp
	28
	29	from lib.common_config import (
	30	start_topology,
	31	write_test_header,
	32	create_static_routes,
	33	write_test_footer,
	34	reset_config_on_routers,
	35	verify_rib,
	36	step,
	37	check_address_types,
	38	check_router_status,
	39	create_static_routes,
	40	create_prefix_lists,
	41	verify_fib_routes,
	42	create_route_maps,
	43	)
	44
	45	from lib.topolog import logger
	46	from lib.bgp import (
	47	verify_bgp_convergence,
	48	verify_bgp_rib,
	49	create_router_bgp,
	50	)
	51	from lib.topojson import build_config_from_json
	52
	53	pytestmark = [pytest.mark.bgpd, pytest.mark.staticd]
	54
	55	# Global variables
	56	BGP_CONVERGENCE = False
	57	ADDR_TYPES = check_address_types()
	58	NETWORK = {"ipv4": "10.1.1.0/32", "ipv6": "10:1::1:0/128"}
	59	NEXT_HOP_IP = {"ipv4": "Null0", "ipv6": "Null0"}
	60
	61
	62	def setup_module(mod):
	63	"""
	64	Sets up the pytest environment
	65
	66	* `mod`: module name
	67	"""
	68
	69	testsuite_run_time = time.asctime(time.localtime(time.time()))
	70	logger.info("Testsuite start time: {}".format(testsuite_run_time))
	71	logger.info("=" * 40)
72
73	logger.info("Running setup_module to create topology")
74
75	# This function initiates the topology build with Topogen...
76	json_file = "{}/bgp_local_asn_vrf_topo2.json".format(CWD)
77	tgen = Topogen(json_file, mod.__name__)
78	global topo
79	topo = tgen.json_topo
80	# ... and here it calls Mininet initialization functions.
81
82	# Starting topology, create tmp files which are loaded to routers
83	# to start daemons and then start routers
84	start_topology(tgen)
85
86	# Creating configuration from JSON
87	build_config_from_json(tgen, topo)
88
89	global BGP_CONVERGENCE
90	global ADDR_TYPES
91	ADDR_TYPES = check_address_types()
92
93	BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
94	assert BGP_CONVERGENCE is True, "setup_module : Failed \n Error: {}".format(
95	BGP_CONVERGENCE
96	)
97
98	logger.info("Running setup_module() done")
99
100
101	def teardown_module():
102	"""Teardown the pytest environment"""
103
104	logger.info("Running teardown_module to delete topology")
105
106	tgen = get_topogen()
107
108	# Stop toplogy and Remove tmp files
109	tgen.stop_topology()
110
111	logger.info(
112	"Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
113	)
114	logger.info("=" * 40)
115
116
117	################################################################################################
118	#
119	# Testcases
120	#
121	###############################################################################################
122
123
124	def test_verify_local_asn_ipv4_import_from_non_default_to_non_default_VRF_p0(request):
125	"""
126	Verify the BGP Local AS functionality by adding new AS when leaking routes
127	from non-default VRF to non-default with route map by prefix lists.
128	"""
129	tgen = get_topogen()
130	global BGP_CONVERGENCE
131	if BGP_CONVERGENCE != True:
132	pytest.skip("skipped because of BGP Convergence failure")
133
134	# test case name
135	tc_name = request.node.name
136	write_test_header(tc_name)
137	if tgen.routers_have_failure():
138	check_router_status(tgen)
139	reset_config_on_routers(tgen)
140
141	step("Base config is done as part of JSON")
142
143	# configure static routes
144	step("Advertise prefix 10.1.1.0/32 from Router-1(AS-100).")
145	step("Advertise an ipv6 prefix 10:1::1:0/128 from Router-1(AS-100).")
146	dut = "r2"
147	for addr_type in ADDR_TYPES:
148	# Enable static routes
149	input_dict_static_route = {
150	"r2": {
151	"static_routes": [
152	{
153	"network": NETWORK[addr_type],
154	"next_hop": NEXT_HOP_IP[addr_type],
155	"vrf": "RED",
156	}
157	]
158	}
159	}
160
161	logger.info("Configure static routes")
162	result = create_static_routes(tgen, input_dict_static_route)
163	assert result is True, "Testcase {} : Failed \n Error: {}".format(
164	tc_name, result
165	)
166
167	step("configure redistribute static in Router BGP in R2")
168	input_dict_static_route_redist = {
169	"r2": {
170	"bgp": {
171	"local_as": 200,
172	"vrf": "RED",
173	"address_family": {
174	"ipv4": {
175	"unicast": {
176	"redistribute": [
177	{"redist_type": "static"},
178	{"redist_type": "connected"},
179	]
180	}
181	},
182	"ipv6": {
183	"unicast": {
184	"redistribute": [
185	{"redist_type": "static"},
186	{"redist_type": "connected"},
187	]
188	}
189	},
190	},
191	}
192	}
193	}
194	result = create_router_bgp(tgen, topo, input_dict_static_route_redist)
195	assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
196
197	step("Configure import vrf BLUE from vrf RED on R3 under IPv4 Address Family")
198	input_import_vrf_ipv4 = {
199	"r3": {
200	"bgp": [
201	{
202	"local_as": 300,
203	"vrf": "BLUE",
204	"address_family": {
205	"ipv4": {"unicast": {"import": {"vrf": "RED"}}},
206	"ipv6": {"unicast": {"import": {"vrf": "RED"}}},
207	},
208	}
209	]
210	}
211	}
212	result = create_router_bgp(tgen, topo, input_import_vrf_ipv4)
213	assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
214
215	step("Verify IPv4 and IPv6 static routes received on R3 VRF BLUE & R4 VRF BLUE")
216	for addr_type in ADDR_TYPES:
217	static_routes_input = {
218	"r2": {
219	"static_routes": [
220	{
221	"network": NETWORK[addr_type],
222	"next_hop": NEXT_HOP_IP[addr_type],
223	"vrf": "BLUE",
224	}
225	]
226	}
227	}
228	for dut in ["r3", "r4"]:
229	result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
230	assert result is True, "Testcase {} : Failed \n Error: {}".format(
231	tc_name, result
232	)
233	result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
234	assert result is True, "Testcase {} : Failed \n Error: {}".format(
235	tc_name, result
236	)
237
238	step("Configure local-as at R3 towards R2.")
239	for addr_type in ADDR_TYPES:
240	input_dict_r3_to_r2 = {
241	"r3": {
242	"vrfs": [{"name": "RED", "id": "1"}],
243	"bgp": [
244	{
245	"local_as": "300",
246	"vrf": "RED",
247	"address_family": {
248	addr_type: {
249	"unicast": {
250	"neighbor": {
251	"r2": {
252	"dest_link": {
253	"r3": {"local_asn": {"local_as": "110"}}
254	}
255	}
256	}
257	}
258	}
259	},
260	}
261	],
262	}
263	}
264	result = create_router_bgp(tgen, topo, input_dict_r3_to_r2)
265	assert result is True, "Testcase {} :Failed \n Error: {}".format(
266	tc_name, result
267	)
268
269	step("Configure local-as at R3 towards R4.")
270	for addr_type in ADDR_TYPES:
271	input_dict_r3_to_r4 = {
272	"r3": {
273	"vrfs": [{"name": "BLUE", "id": "1"}],
274	"bgp": [
275	{
276	"local_as": "300",
277	"vrf": "BLUE",
278	"address_family": {
279	addr_type: {
280	"unicast": {
281	"neighbor": {
282	"r4": {
283	"dest_link": {
284	"r3": {"local_asn": {"local_as": "110"}}
285	}
286	}
287	}
288	}
289	}
290	},
291	}
292	],
293	}
294	}
295	result = create_router_bgp(tgen, topo, input_dict_r3_to_r4)
296	assert result is True, "Testcase {} :Failed \n Error: {}".format(
297	tc_name, result
298	)
299
300	step("Configure remote-as at R2 towards R3.")
301	for addr_type in ADDR_TYPES:
302	input_dict_r2_to_r3 = {
303	"r2": {
304	"vrfs": [{"name": "RED", "id": "1"}],
305	"bgp": [
306	{
307	"local_as": "200",
308	"vrf": "RED",
309	"address_family": {
310	addr_type: {
311	"unicast": {
312	"neighbor": {
313	"r3": {
314	"dest_link": {
315	"r2": {
316	"local_asn": {"remote_as": "110"}
317	}
318	}
319	}
320	}
321	}
322	}
323	},
324	}
325	],
326	}
327	}
328	result = create_router_bgp(tgen, topo, input_dict_r2_to_r3)
329	assert result is True, "Testcase {} :Failed \n Error: {}".format(
330	tc_name, result
331	)
332
333	step("Configure remote-as at R4 towards R3.")
334	for addr_type in ADDR_TYPES:
335	input_dict_r4_to_r3 = {
336	"r4": {
337	"vrfs": [{"name": "BLUE", "id": "1"}],
338	"bgp": [
339	{
340	"local_as": "400",
341	"vrf": "BLUE",
342	"address_family": {
343	addr_type: {
344	"unicast": {
345	"neighbor": {
346	"r3": {
347	"dest_link": {
348	"r4": {
349	"local_asn": {"remote_as": "110"}
350	}
351	}
352	}
353	}
354	}
355	}
356	},
357	}
358	],
359	}
360	}
361	result = create_router_bgp(tgen, topo, input_dict_r4_to_r3)
362	assert result is True, "Testcase {} :Failed \n Error: {}".format(
363	tc_name, result
364	)
365
366	step("BGP neighborship is verified by following commands in R3 routers")
367	BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
368	assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
369	BGP_CONVERGENCE
370	)
371
372	step("Verify IPv4 and IPv6 static routes received on R3 VRF BLUE & R4 VRF BLUE")
373	for addr_type in ADDR_TYPES:
374	static_routes_input = {
375	"r2": {
376	"static_routes": [
377	{
378	"network": NETWORK[addr_type],
379	"next_hop": NEXT_HOP_IP[addr_type],
380	"vrf": "BLUE",
381	}
382	]
383	}
384	}
385	for dut in ["r3", "r4"]:
386	result = verify_fib_routes(tgen, addr_type, dut, static_routes_input)
387	assert result is True, "Testcase {} : Failed \n Error: {}".format(
388	tc_name, result
389	)
390
391	result = verify_bgp_rib(tgen, addr_type, dut, static_routes_input)
392	assert result is True, "Testcase {} : Failed \n Error: {}".format(
393	tc_name, result
394	)
395
396	step(
397	"Verify that AS-110 is got added in the AS list 110 200 100 by following "
398	" commands at R3 router."
399	)
400	dut = "r3"
401	aspath = "110 200"
402	for addr_type in ADDR_TYPES:
403	input_static_r2 = {
404	"r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
405	}
406	result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
407	assert result is True, "Testcase {} : Failed \n Error: {}".format(
408	tc_name, result
409	)
410
411	# configure the prefix-list and route-maps.
412	for adt in ADDR_TYPES:
413	# Create Static routes
414	input_dict_rm1 = {
415	"r2": {
416	"static_routes": [
417	{
418	"network": NETWORK[adt],
419	"no_of_ip": 1,
420	"next_hop": NEXT_HOP_IP[adt],
421	"vrf": "RED",
422	}
423	]
424	}
425	}
426
427	result = create_static_routes(tgen, input_dict_rm1)
428	assert result is True, "Testcase {} : Failed \n Error: {}".format(
429	tc_name, result
430	)
431
432	# Api call to redistribute static routes
433	input_dict_rm_rd = {
434	"r2": {
435	"bgp": {
436	"local_as": 200,
437	"address_family": {
438	"ipv4": {
439	"unicast": {
440	"redistribute": [
441	{"redist_type": "static"},
442	{"redist_type": "connected"},
443	]
444	}
445	},
446	"ipv6": {
447	"unicast": {
448	"redistribute": [
449	{"redist_type": "static"},
450	{"redist_type": "connected"},
451	]
452	}
453	},
454	},
455	}
456	}
457	}
458
459	result = create_router_bgp(tgen, topo, input_dict_rm_rd)
460	assert result is True, "Testcase {} : Failed \n Error: {}".format(
461	tc_name, result
462	)
463
464	input_dict_rm_pl = {
465	"r3": {
466	"prefix_lists": {
467	"ipv4": {
468	"pf_list_1_ipv4": [
469	{
470	"seqid": 10,
471	"action": "permit",
472	"network": NETWORK["ipv4"],
473	}
474	]
475	},
476	"ipv6": {
477	"pf_list_1_ipv6": [
478	{
479	"seqid": 100,
480	"action": "permit",
481	"network": NETWORK["ipv6"],
482	}
483	]
484	},
485	}
486	}
487	}
488	result = create_prefix_lists(tgen, input_dict_rm_pl)
489	assert result is True, "Testcase {} : Failed \n Error: {}".format(
490	tc_name, result
491	)
492
493	# Create route map
494	for addr_type in ADDR_TYPES:
495	input_dict_rm_r3 = {
496	"r3": {
497	"route_maps": {
498	"rmap_match_tag_1_{}".format(addr_type): [
499	{
500	"action": "permit",
501	"match": {
502	addr_type: {
503	"prefix_lists": "pf_list_1_{}".format(addr_type)
504	}
505	},
506	}
507	],
508	"rmap_match_tag_2_{}".format(addr_type): [
509	{
510	"action": "permit",
511	"match": {
512	addr_type: {
513	"prefix_lists": "pf_list_2_{}".format(addr_type)
514	}
515	},
516	}
517	],
518	}
519	}
520	}
521	result = create_route_maps(tgen, input_dict_rm_r3)
522	assert result is True, "Testcase {} : Failed \n Error: {}".format(
523	tc_name, result
524	)
525
526	# Configure neighbor for route map
527	input_dict_conf_neighbor_rm = {
528	"r3": {
529	"bgp": [
530	{
531	"local_as": "300",
532	"vrf": "BLUE",
533	"address_family": {
534	"ipv4": {
535	"unicast": {
536	"neighbor": {
537	"r4": {
538	"dest_link": {
539	"r3": {
540	"route_maps": [
541	{
542	"name": "rmap_match_tag_1_ipv4",
543	"direction": "out",
544	},
545	{
546	"name": "rmap_match_tag_1_ipv4",
547	"direction": "out",
548	},
549	]
550	}
551	}
552	}
553	}
554	}
555	},
556	"ipv6": {
557	"unicast": {
558	"neighbor": {
559	"r4": {
560	"dest_link": {
561	"r3": {
562	"route_maps": [
563	{
564	"name": "rmap_match_tag_1_ipv6",
565	"direction": "in",
566	},
567	{
568	"name": "rmap_match_tag_1_ipv6",
569	"direction": "out",
570	},
571	]
572	}
573	}
574	}
575	}
576	}
577	},
578	},
579	}
580	]
581	}
582	}
583
584	result = create_router_bgp(tgen, topo, input_dict_conf_neighbor_rm)
585	assert result is True, "Testcase {} : Failed \n Error: {}".format(
586	tc_name, result
587	)
588
589	for adt in ADDR_TYPES:
590	# Verifying RIB routes
591	dut = "r3"
592	input_dict_r2_rib = {
593	"r2": {
594	"static_routes": [
595	{
596	"network": [NETWORK[adt]],
597	"no_of_ip": 1,
598	"next_hop": NEXT_HOP_IP[adt],
599	"vrf": "RED",
600	}
601	]
602	}
603	}
604	result = verify_rib(tgen, adt, dut, input_dict_r2_rib)
605	assert result is True, "Testcase {}: Failed \n Error: {}".format(
606	tc_name, result
607	)
608
609	# Verifying RIB routes
610	dut = "r4"
611	input_dict_r2_rib = {
612	"r2": {
613	"static_routes": [
614	{
615	"network": [NETWORK[adt]],
616	"no_of_ip": 1,
617	"next_hop": NEXT_HOP_IP[adt],
618	"vrf": "BLUE",
619	}
620	]
621	}
622	}
623	result = verify_rib(tgen, adt, dut, input_dict_r2_rib)
624	assert result is True, "Testcase {}: Failed \n Error: {}".format(
625	tc_name, result
626	)
627
628	step("Configure local-as with no-prepend at R3 towards R2.")
629	for addr_type in ADDR_TYPES:
630	input_dict_no_prep_r3_to_r2 = {
631	"r3": {
632	"vrfs": [{"name": "RED", "id": "1"}],
633	"bgp": [
634	{
635	"local_as": "300",
636	"vrf": "RED",
637	"address_family": {
638	addr_type: {
639	"unicast": {
640	"neighbor": {
641	"r2": {
642	"dest_link": {
643	"r3": {
644	"local_asn": {
645	"local_as": "110",
646	"no_prepend": True,
647	}
648	}
649	}
650	}
651	}
652	}
653	}
654	},
655	}
656	],
657	}
658	}
659	result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r2)
660	assert result is True, "Testcase {} :Failed \n Error: {}".format(
661	tc_name, result
662	)
663
664	step("Configure local-as with no-prepend at R3 towards R4.")
665	for addr_type in ADDR_TYPES:
666	input_dict_no_prep_r3_to_r4 = {
667	"r3": {
668	"vrfs": [{"name": "BLUE", "id": "1"}],
669	"bgp": [
670	{
671	"local_as": "300",
672	"vrf": "BLUE",
673	"address_family": {
674	addr_type: {
675	"unicast": {
676	"neighbor": {
677	"r4": {
678	"dest_link": {
679	"r3": {
680	"local_asn": {
681	"local_as": "110",
682	"no_prepend": True,
683	}
684	}
685	}
686	}
687	}
688	}
689	}
690	},
691	}
692	],
693	}
694	}
695	result = create_router_bgp(tgen, topo, input_dict_no_prep_r3_to_r4)
696	assert result is True, "Testcase {} :Failed \n Error: {}".format(
697	tc_name, result
698	)
699
700	step("BGP neighborship is verified by following commands in R3 routers")
701	BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
702	assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
703	BGP_CONVERGENCE
704	)
705
706	dut = "r3"
707	aspath = "200"
708	for addr_type in ADDR_TYPES:
709	input_static_r2 = {
710	"r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
711	}
712	result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
713	assert result is True, "Testcase {} : Failed \n Error: {}".format(
714	tc_name, result
715	)
716
717	step("Configure local-as with no-prepend and replace-as at R3 towards R2")
718	for addr_type in ADDR_TYPES:
719	input_dict_no_prep_rep_as_r3_to_r2 = {
720	"r3": {
721	"vrfs": [{"name": "RED", "id": "1"}],
722	"bgp": [
723	{
724	"local_as": "300",
725	"vrf": "RED",
726	"address_family": {
727	addr_type: {
728	"unicast": {
729	"neighbor": {
730	"r2": {
731	"dest_link": {
732	"r3": {
733	"local_asn": {
734	"local_as": "110",
735	"no_prepend": True,
736	"replace_as": True,
737	}
738	}
739	}
740	}
741	}
742	}
743	}
744	},
745	}
746	],
747	}
748	}
749	result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r2)
750	assert result is True, "Testcase {} :Failed \n Error: {}".format(
751	tc_name, result
752	)
753
754	step("Configure local-as with no-prepend and replace-as at R3 towards R4")
755	for addr_type in ADDR_TYPES:
756	input_dict_no_prep_rep_as_r3_to_r4 = {
757	"r3": {
758	"vrfs": [{"name": "BLUE", "id": "1"}],
759	"bgp": [
760	{
761	"local_as": "300",
762	"vrf": "BLUE",
763	"address_family": {
764	addr_type: {
765	"unicast": {
766	"neighbor": {
767	"r4": {
768	"dest_link": {
769	"r3": {
770	"local_asn": {
771	"local_as": "110",
772	"no_prepend": True,
773	"replace_as": True,
774	}
775	}
776	}
777	}
778	}
779	}
780	}
781	},
782	}
783	],
784	}
785	}
786	result = create_router_bgp(tgen, topo, input_dict_no_prep_rep_as_r3_to_r4)
787	assert result is True, "Testcase {} :Failed \n Error: {}".format(
788	tc_name, result
789	)
790
791	step("BGP neighborship is verified by following commands in R3 routers")
792	BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
793	assert BGP_CONVERGENCE is True, "BGP convergence :Failed \n Error: {}".format(
794	BGP_CONVERGENCE
795	)
796
797	dut = "r4"
798	aspath = "110 200"
799	for addr_type in ADDR_TYPES:
800	input_static_r2 = {
801	"r2": {"static_routes": [{"network": NETWORK[addr_type], "vrf": "BLUE"}]}
802	}
803	result = verify_bgp_rib(tgen, addr_type, dut, input_static_r2, aspath=aspath)
804	assert result is True, "Testcase {} : Failed \n Error: {}".format(
805	tc_name, result
806	)
807
808	write_test_footer(tc_name)
809
810
811	if __name__ == "__main__":
812	args = ["-s"] + sys.argv[1:]
813	sys.exit(pytest.main(args))