Merge pull request #8946 from gpnaveen/bgp_lib_changes

tests: Adding lib changes for bgp peer type verification.
This commit is contained in:
Donald Sharp 2021-07-16 09:15:36 -04:00 committed by GitHub
commit c24e832ae9
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 466 additions and 214 deletions

View file

@ -41,7 +41,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r1": {}
"r1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -55,7 +58,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r1": {}
"r1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -106,7 +112,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r2-link1": {}
"r2-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -120,7 +129,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r2-link1": {}
"r2-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -140,7 +152,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r2-link2": {}
"r2-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -154,7 +169,10 @@
"neighbor": {
"e1": {
"dest_link": {
"r2-link2": {}
"r2-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -222,7 +240,10 @@
"neighbor": {
"r1": {
"dest_link": {
"e1": {}
"e1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -233,7 +254,10 @@
"neighbor": {
"r1": {
"dest_link": {
"e1": {}
"e1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -262,7 +286,10 @@
"neighbor": {
"r2": {
"dest_link": {
"e1-link1": {}
"e1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -273,7 +300,10 @@
"neighbor": {
"r2": {
"dest_link": {
"e1-link1": {}
"e1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -302,7 +332,10 @@
"neighbor": {
"r2": {
"dest_link": {
"e1-link2": {}
"e1-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -313,7 +346,10 @@
"neighbor": {
"r2": {
"dest_link": {
"e1-link2": {}
"e1-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -342,6 +378,8 @@
"d1": {
"dest_link": {
"e1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3,
"deactivate": "ipv4"
}
}
@ -349,6 +387,8 @@
"d2": {
"dest_link": {
"e1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3,
"deactivate": "ipv4"
}
}
@ -412,6 +452,8 @@
"e1": {
"dest_link": {
"d1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3,
"deactivate": "ipv4"
}
}
@ -442,7 +484,10 @@
"neighbor": {
"r3": {
"dest_link": {
"d1": {}
"d1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -453,7 +498,10 @@
"neighbor": {
"r3": {
"dest_link": {
"d1": {}
"d1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -482,7 +530,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d1-link1": {}
"d1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -493,7 +544,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d1-link1": {}
"d1-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -522,7 +576,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d1-link2": {}
"d1-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -533,7 +590,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d1-link2": {}
"d1-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -590,7 +650,9 @@
"e1": {
"dest_link": {
"d2-link1": {
"deactivate": "ipv4"
"deactivate": "ipv4",
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
@ -620,7 +682,10 @@
"neighbor": {
"r3": {
"dest_link": {
"d2": {}
"d2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -631,7 +696,10 @@
"neighbor": {
"r3": {
"dest_link": {
"d2": {}
"d2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -660,7 +728,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d2-link1": {}
"d2-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -671,7 +742,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d2-link1": {}
"d2-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -700,7 +774,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d2-link2": {}
"d2-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -711,7 +788,10 @@
"neighbor": {
"r4": {
"dest_link": {
"d2-link2": {}
"d2-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -755,12 +835,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r3": {}
"r3": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r3": {}
"r3": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -771,12 +857,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r3": {}
"r3": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r3": {}
"r3": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -814,12 +906,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r4-link1": {}
"r4-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r4-link1": {}
"r4-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -830,12 +928,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r4-link1": {}
"r4-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r4-link1": {}
"r4-link1": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -852,12 +956,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r4-link2": {}
"r4-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r4-link2": {}
"r4-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -868,12 +978,18 @@
"neighbor": {
"d1": {
"dest_link": {
"r4-link2": {}
"r4-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
},
"d2": {
"dest_link": {
"r4-link2": {}
"r4-link2": {
"keepalivetimer": 1,
"holddowntimer": 3
}
}
}
}
@ -885,3 +1001,4 @@
}
}
}

View file

@ -44,6 +44,7 @@ from lib.common_config import (
FRRCFG_FILE,
retry,
get_ipv6_linklocal_address,
get_frr_ipv6_linklocal
)
LOGDIR = "/tmp/topotests/"
@ -265,6 +266,11 @@ def __create_bgp_global(tgen, input_dict, router, build=False):
config_data.append("bgp router-id {}".format(router_id))
config_data.append("no bgp network import-check")
bgp_peer_grp_data = bgp_data.setdefault("peer-group", {})
if "peer-group" in bgp_data and bgp_peer_grp_data:
peer_grp_data = __create_bgp_peer_group(tgen, bgp_peer_grp_data, router)
config_data.extend(peer_grp_data)
bst_path = bgp_data.setdefault("bestpath", None)
if bst_path:
@ -380,6 +386,7 @@ def __create_bgp_unicast_neighbor(
addr_data = addr_dict["unicast"]
if addr_data:
config_data.append("address-family {} unicast".format(addr_type))
advertise_network = addr_data.setdefault("advertise_networks", [])
for advertise_network_dict in advertise_network:
network = advertise_network_dict["network"]
@ -404,13 +411,28 @@ def __create_bgp_unicast_neighbor(
config_data.append(cmd)
import_cmd = addr_data.setdefault("import", {})
if import_cmd:
try:
if import_cmd["delete"]:
config_data.append("no import vrf {}".format(import_cmd["vrf"]))
except KeyError:
config_data.append("import vrf {}".format(import_cmd["vrf"]))
max_paths = addr_data.setdefault("maximum_paths", {})
if max_paths:
ibgp = max_paths.setdefault("ibgp", None)
ebgp = max_paths.setdefault("ebgp", None)
del_cmd = max_paths.setdefault("delete", False)
if ibgp:
if del_cmd:
config_data.append("no maximum-paths ibgp {}".format(ibgp))
else:
config_data.append("maximum-paths ibgp {}".format(ibgp))
if ebgp:
if del_cmd:
config_data.append("no maximum-paths {}".format(ebgp))
else:
config_data.append("maximum-paths {}".format(ebgp))
aggregate_addresses = addr_data.setdefault("aggregate_address", [])
@ -649,6 +671,38 @@ def __create_l2vpn_evpn_address_family(
return config_data
def __create_bgp_peer_group(topo, input_dict, router):
"""
Helper API to create neighbor specific configuration
Parameters
----------
* `topo` : json file data
* `input_dict` : Input dict data, required when configuring from testcase
* `router` : router id to be configured
"""
config_data = []
logger.debug("Entering lib API: __create_bgp_peer_group()")
for grp, grp_dict in input_dict.items():
config_data.append("neighbor {} peer-group".format(grp))
neigh_cxt = "neighbor {} ".format(grp)
update_source = grp_dict.setdefault("update-source", None)
remote_as = grp_dict.setdefault("remote-as", None)
capability = grp_dict.setdefault("capability", None)
if update_source:
config_data.append("{} update-source {}".format(neigh_cxt, update_source))
if remote_as:
config_data.append("{} remote-as {}".format(neigh_cxt, remote_as))
if capability:
config_data.append("{} capability {}".format(neigh_cxt, capability))
logger.debug("Exiting lib API: __create_bgp_peer_group()")
return config_data
def __create_bgp_neighbor(topo, input_dict, router, addr_type, add_neigh=True):
"""
Helper API to create neighbor specific configuration
@ -660,10 +714,9 @@ def __create_bgp_neighbor(topo, input_dict, router, addr_type, add_neigh=True):
* `input_dict` : Input dict data, required when configuring from testcase
* `router` : router id to be configured
"""
config_data = []
logger.debug("Entering lib API: {}".format(sys._getframe().f_code.co_name))
tgen = get_topogen()
bgp_data = input_dict["address_family"]
neigh_data = bgp_data[addr_type]["unicast"]["neighbor"]
@ -672,35 +725,91 @@ def __create_bgp_neighbor(topo, input_dict, router, addr_type, add_neigh=True):
nh_details = topo[name]
if "vrfs" in topo[router] or type(nh_details["bgp"]) is list:
remote_as = nh_details["bgp"][0]["local_as"]
for vrf_data in nh_details["bgp"]:
if "vrf" in nh_details["links"][dest_link] and "vrf" in vrf_data:
if nh_details["links"][dest_link]["vrf"] == vrf_data["vrf"]:
remote_as = vrf_data["local_as"]
break
else:
if "vrf" not in vrf_data:
remote_as = vrf_data["local_as"]
break
else:
remote_as = nh_details["bgp"]["local_as"]
update_source = None
if dest_link in nh_details["links"].keys():
if "neighbor_type" in peer and peer["neighbor_type"] == "unnumbered":
ip_addr = nh_details["links"][dest_link]["peer-interface"]
elif "neighbor_type" in peer and peer["neighbor_type"] == "link-local":
intf = topo[name]["links"][dest_link]["interface"]
ip_addr = get_frr_ipv6_linklocal(tgen, name, intf)
elif dest_link in nh_details["links"].keys():
try:
ip_addr = nh_details["links"][dest_link][addr_type].split("/")[0]
# Loopback interface
if "source_link" in peer and peer["source_link"] == "lo":
update_source = topo[router]["links"]["lo"][addr_type].split("/")[0]
except KeyError:
intf = topo[name]["links"][dest_link]["interface"]
ip_addr = get_frr_ipv6_linklocal(tgen, name, intf)
if "delete" in peer and peer["delete"]:
neigh_cxt = "no neighbor {}".format(ip_addr)
config_data.append("{}".format(neigh_cxt))
return config_data
else:
neigh_cxt = "neighbor {}".format(ip_addr)
if add_neigh:
if "peer-group" in peer:
config_data.append(
"neighbor {} interface peer-group {}".format(
ip_addr, peer["peer-group"]
)
)
# Loopback interface
if "source_link" in peer:
if peer["source_link"] == "lo":
update_source = topo[router]["links"]["lo"][addr_type].split("/")[0]
else:
update_source = topo[router]["links"][peer["source_link"]][
"interface"
]
if "peer-group" not in peer:
if "neighbor_type" in peer and peer["neighbor_type"] == "unnumbered":
config_data.append(
"{} interface remote-as {}".format(neigh_cxt, remote_as)
)
elif add_neigh:
config_data.append("{} remote-as {}".format(neigh_cxt, remote_as))
if addr_type == "ipv6":
config_data.append("address-family ipv6 unicast")
config_data.append("{} activate".format(neigh_cxt))
if "neighbor_type" in peer and peer["neighbor_type"] == "link-local":
config_data.append(
"{} update-source {}".format(
neigh_cxt, nh_details["links"][dest_link]["peer-interface"]
)
)
config_data.append(
"{} interface {}".format(
neigh_cxt, nh_details["links"][dest_link]["peer-interface"]
)
)
disable_connected = peer.setdefault("disable_connected_check", False)
keep_alive = peer.setdefault("keepalivetimer", 3)
hold_down = peer.setdefault("holddowntimer", 10)
password = peer.setdefault("password", None)
no_password = peer.setdefault("no_password", None)
capability = peer.setdefault("capability", None)
max_hop_limit = peer.setdefault("ebgp_multihop", 1)
graceful_restart = peer.setdefault("graceful-restart", None)
graceful_restart_helper = peer.setdefault("graceful-restart-helper", None)
graceful_restart_disable = peer.setdefault("graceful-restart-disable", None)
if capability:
config_data.append("{} capability {}".format(neigh_cxt, capability))
if update_source:
config_data.append(
@ -718,7 +827,6 @@ def __create_bgp_neighbor(topo, input_dict, router, addr_type, add_neigh=True):
config_data.append(
"{} timers {} {}".format(neigh_cxt, keep_alive, hold_down)
)
if graceful_restart:
config_data.append("{} graceful-restart".format(neigh_cxt))
elif graceful_restart == False:
@ -768,7 +876,7 @@ def __create_bgp_unicast_address_family(
config_data = []
logger.debug("Entering lib API: {}".format(sys._getframe().f_code.co_name))
tgen = get_topogen()
bgp_data = input_dict["address_family"]
neigh_data = bgp_data[addr_type]["unicast"]["neighbor"]
@ -784,16 +892,34 @@ def __create_bgp_unicast_address_family(
for destRouterLink, data in sorted(nh_details["links"].items()):
if "type" in data and data["type"] == "loopback":
if dest_link == destRouterLink:
ip_addr = nh_details["links"][destRouterLink][
addr_type
].split("/")[0]
ip_addr = (
nh_details["links"][destRouterLink][addr_type]
.split("/")[0]
.lower()
)
# Physical interface
else:
if dest_link in nh_details["links"].keys():
ip_addr = nh_details["links"][dest_link][addr_type].split("/")[0]
if addr_type == "ipv4" and bgp_data["ipv6"]:
# check the neighbor type if un numbered nbr, use interface.
if "neighbor_type" in peer and peer["neighbor_type"] == "unnumbered":
ip_addr = nh_details["links"][dest_link]["peer-interface"]
elif "neighbor_type" in peer and peer["neighbor_type"] == "link-local":
intf = topo[peer_name]["links"][dest_link]["interface"]
ip_addr = get_frr_ipv6_linklocal(tgen, peer_name, intf)
elif dest_link in nh_details["links"].keys():
try:
ip_addr = nh_details["links"][dest_link][addr_type].split("/")[
0
]
except KeyError:
intf = topo[peer_name]["links"][dest_link]["interface"]
ip_addr = get_frr_ipv6_linklocal(tgen, peer_name, intf)
if (
addr_type == "ipv4"
and bgp_data["ipv6"]
and check_address_types("ipv6")
and "ipv6" in nh_details["links"][dest_link]
):
deactivate = nh_details["links"][dest_link]["ipv6"].split("/")[
0
]
@ -822,6 +948,7 @@ def __create_bgp_unicast_address_family(
prefix_lists = peer.setdefault("prefix_lists", {})
route_maps = peer.setdefault("route_maps", {})
no_send_community = peer.setdefault("no_send_community", None)
capability = peer.setdefault("capability", None)
allowas_in = peer.setdefault("allowas-in", None)
# next-hop-self
@ -841,6 +968,11 @@ def __create_bgp_unicast_address_family(
"no {} send-community {}".format(neigh_cxt, no_send_community)
)
# capability_ext_nh
if capability and addr_type == "ipv6":
config_data.append("address-family ipv4 unicast")
config_data.append("{} activate".format(neigh_cxt))
if "allowas_in" in peer:
allow_as_in = peer["allowas_in"]
config_data.append("{} allowas-in {}".format(neigh_cxt, allow_as_in))
@ -1067,33 +1199,37 @@ def verify_bgp_convergence(tgen, topo, dut=None, expected=True):
API will verify if BGP is converged with in the given time frame.
Running "show bgp summary json" command and verify bgp neighbor
state is established,
Parameters
----------
* `tgen`: topogen object
* `topo`: input json file data
* `dut`: device under test
* `expected` : expected results from API, by-default True
Usage
-----
# To veriry is BGP is converged for all the routers used in
topology
results = verify_bgp_convergence(tgen, topo, dut="r1")
Returns
-------
errormsg(str) or True
"""
logger.debug("Entering lib API: verify_bgp_convergence()")
result = False
logger.debug("Entering lib API: {}".format(sys._getframe().f_code.co_name))
tgen = get_topogen()
for router, rnode in tgen.routers().items():
if 'bgp' not in topo['routers'][router]:
continue
if dut is not None and dut != router:
continue
if "bgp" not in topo["routers"][router]:
continue
logger.info("Verifying BGP Convergence on router %s:", router)
show_bgp_json = run_frr_cmd(rnode, "show bgp vrf all summary json", isjson=True)
show_bgp_json = run_frr_cmd(rnode, "show bgp vrf all summary json",
isjson=True)
# Verifying output dictionary show_bgp_json is empty or not
if not bool(show_bgp_json):
errormsg = "BGP is not running"
@ -1115,100 +1251,6 @@ def verify_bgp_convergence(tgen, topo, dut=None, expected=True):
# To find neighbor ip type
bgp_addr_type = bgp_data["address_family"]
if "ipv4" in bgp_addr_type or "ipv6" in bgp_addr_type:
for addr_type in bgp_addr_type.keys():
if not check_address_types(addr_type):
continue
total_peer = 0
bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
for bgp_neighbor in bgp_neighbors:
total_peer += len(bgp_neighbors[bgp_neighbor]["dest_link"])
for addr_type in bgp_addr_type.keys():
if not check_address_types(addr_type):
continue
bgp_neighbors = bgp_addr_type[addr_type]["unicast"]["neighbor"]
no_of_peer = 0
for bgp_neighbor, peer_data in bgp_neighbors.items():
for dest_link in peer_data["dest_link"].keys():
data = topo["routers"][bgp_neighbor]["links"]
if dest_link in data:
peer_details = peer_data["dest_link"][dest_link]
# for link local neighbors
if (
"neighbor_type" in peer_details
and peer_details["neighbor_type"] == "link-local"
):
neighbor_ip = get_ipv6_linklocal_address(
topo["routers"], bgp_neighbor, dest_link
)
elif "source_link" in peer_details:
neighbor_ip = topo["routers"][bgp_neighbor][
"links"
][peer_details["source_link"]][addr_type].split(
"/"
)[
0
]
elif (
"neighbor_type" in peer_details
and peer_details["neighbor_type"] == "unnumbered"
):
neighbor_ip = data[dest_link]["peer-interface"]
else:
neighbor_ip = data[dest_link][addr_type].split("/")[
0
]
nh_state = None
if addr_type == "ipv4":
if "ipv4Unicast" in show_bgp_json[vrf]:
ipv4_data = show_bgp_json[vrf]["ipv4Unicast"][
"peers"
]
nh_state = ipv4_data[neighbor_ip]["state"]
else:
if "ipv6Unicast" in show_bgp_json[vrf]:
ipv6_data = show_bgp_json[vrf]["ipv6Unicast"][
"peers"
]
nh_state = ipv6_data[neighbor_ip]["state"]
if nh_state == "Established":
no_of_peer += 1
if "l2vpn" in bgp_addr_type:
if "neighbor" not in bgp_addr_type["l2vpn"]["evpn"]:
if no_of_peer == total_peer:
logger.info(
"[DUT: %s] VRF: %s, BGP is Converged for %s address-family",
router,
vrf,
addr_type,
)
else:
errormsg = (
"[DUT: %s] VRF: %s, BGP is not converged for %s address-family"
% (router, vrf, addr_type)
)
return errormsg
else:
if no_of_peer == total_peer:
logger.info(
"[DUT: %s] VRF: %s, BGP is Converged for %s address-family",
router,
vrf,
addr_type,
)
else:
errormsg = (
"[DUT: %s] VRF: %s, BGP is not converged for %s address-family"
% (router, vrf, addr_type)
)
return errormsg
if "l2vpn" in bgp_addr_type:
total_evpn_peer = 0
@ -1224,46 +1266,120 @@ def verify_bgp_convergence(tgen, topo, dut=None, expected=True):
data = topo["routers"][bgp_neighbor]["links"]
for dest_link in dest_link_dict.keys():
if dest_link in data:
peer_details = peer_data[_addr_type][dest_link]
peer_details = \
peer_data[_addr_type][dest_link]
neighbor_ip = data[dest_link][_addr_type].split("/")[0]
neighbor_ip = \
data[dest_link][_addr_type].split(
"/")[0]
nh_state = None
if (
"ipv4Unicast" in show_bgp_json[vrf]
or "ipv6Unicast" in show_bgp_json[vrf]
):
errormsg = (
"[DUT: %s] VRF: %s, "
if "ipv4Unicast" in show_bgp_json[vrf] or \
"ipv6Unicast" in show_bgp_json[vrf]:
errormsg = ("[DUT: %s] VRF: %s, "
"ipv4Unicast/ipv6Unicast"
" address-family present"
" under l2vpn" % (router, vrf)
)
" under l2vpn" % (router,
vrf))
return errormsg
l2VpnEvpn_data = show_bgp_json[vrf]["l2VpnEvpn"][
"peers"
]
nh_state = l2VpnEvpn_data[neighbor_ip]["state"]
l2VpnEvpn_data = \
show_bgp_json[vrf]["l2VpnEvpn"][
"peers"]
nh_state = \
l2VpnEvpn_data[neighbor_ip]["state"]
if nh_state == "Established":
no_of_evpn_peer += 1
if no_of_evpn_peer == total_evpn_peer:
logger.info(
"[DUT: %s] VRF: %s, BGP is Converged for " "epvn peers",
router,
vrf,
)
logger.info("[DUT: %s] VRF: %s, BGP is Converged for "
"epvn peers", router, vrf)
result = True
else:
errormsg = (
"[DUT: %s] VRF: %s, BGP is not converged "
"for evpn peers" % (router, vrf)
)
errormsg = ("[DUT: %s] VRF: %s, BGP is not converged "
"for evpn peers" % (router, vrf))
return errormsg
else:
total_peer = 0
for addr_type in bgp_addr_type.keys():
if not check_address_types(addr_type):
continue
bgp_neighbors = \
bgp_addr_type[addr_type]["unicast"]["neighbor"]
for bgp_neighbor in bgp_neighbors:
total_peer += \
len(bgp_neighbors[bgp_neighbor]["dest_link"])
no_of_peer = 0
for addr_type in bgp_addr_type.keys():
if not check_address_types(addr_type):
continue
bgp_neighbors = \
bgp_addr_type[addr_type]["unicast"]["neighbor"]
for bgp_neighbor, peer_data in bgp_neighbors.items():
for dest_link in peer_data["dest_link"].\
keys():
data = \
topo["routers"][bgp_neighbor]["links"]
if dest_link in data:
peer_details = \
peer_data['dest_link'][dest_link]
# for link local neighbors
if "neighbor_type" in peer_details and \
peer_details["neighbor_type"] == \
'link-local':
intf = topo["routers"][bgp_neighbor][
"links"][dest_link]["interface"]
neighbor_ip = get_frr_ipv6_linklocal(
tgen, bgp_neighbor, intf)
elif "source_link" in peer_details:
neighbor_ip = \
topo["routers"][bgp_neighbor][
"links"][peer_details[
'source_link']][
addr_type].\
split("/")[0]
elif "neighbor_type" in peer_details and \
peer_details["neighbor_type"] == \
'unnumbered':
neighbor_ip = \
data[dest_link]["peer-interface"]
else:
neighbor_ip = \
data[dest_link][addr_type].split(
"/")[0]
nh_state = None
neighbor_ip = neighbor_ip.lower()
if addr_type == "ipv4":
ipv4_data = show_bgp_json[vrf][
"ipv4Unicast"]["peers"]
nh_state = \
ipv4_data[neighbor_ip]["state"]
else:
ipv6_data = show_bgp_json[vrf][
"ipv6Unicast"]["peers"]
if neighbor_ip in ipv6_data:
nh_state = \
ipv6_data[neighbor_ip]["state"]
if nh_state == "Established":
no_of_peer += 1
if no_of_peer == total_peer and no_of_peer > 0:
logger.info("[DUT: %s] VRF: %s, BGP is Converged",
router, vrf)
result = True
else:
errormsg = ("[DUT: %s] VRF: %s, BGP is not converged"
% (router, vrf))
return errormsg
logger.debug("Exiting API: verify_bgp_convergence()")
return True
logger.debug("Exiting lib API: {}".format(sys._getframe().f_code.co_name))
return result
@retry(retry_timeout=16)

View file

@ -609,6 +609,7 @@ def load_config_to_router(tgen, routerName, save_bkup=False):
return True
def get_frr_ipv6_linklocal(tgen, router, intf=None, vrf=None):
"""
API to get the link local ipv6 address of a particular interface using
@ -641,38 +642,48 @@ def get_frr_ipv6_linklocal(tgen, router, intf=None, vrf=None):
else:
cmd = "show interface"
linklocal = []
if vrf:
cmd = "show interface vrf {}".format(vrf)
else:
cmd = "show interface"
for chk_ll in range(0, 60):
sleep(1/4)
ifaces = router_list[router].run('vtysh -c "{}"'.format(cmd))
# Fix newlines (make them all the same)
ifaces = ("\n".join(ifaces.splitlines()) + "\n").splitlines()
ifaces = ('\n'.join(ifaces.splitlines()) + '\n').splitlines()
interface = None
ll_per_if_count = 0
for line in ifaces:
# Interface name
m = re_search("Interface ([a-zA-Z0-9-]+) is", line)
m = re_search('Interface ([a-zA-Z0-9-]+) is', line)
if m:
interface = m.group(1).split(" ")[0]
ll_per_if_count = 0
# Interface ip
m1 = re_search("inet6 (fe80[:a-fA-F0-9]+[/0-9]+)", line)
m1 = re_search('inet6 (fe80[:a-fA-F0-9]+[\/0-9]+)',
line)
if m1:
local = m1.group(1)
ll_per_if_count += 1
if ll_per_if_count > 1:
linklocal += [["%s-%s" % (interface, ll_per_if_count), local]]
linklocal += [["%s-%s" %
(interface, ll_per_if_count), local]]
else:
linklocal += [[interface, local]]
try:
if linklocal:
if intf:
return [_linklocal[1] for _linklocal in linklocal if _linklocal[0] == intf][
0
].split("/")[0]
return [_linklocal[1] for _linklocal in linklocal if _linklocal[0]==intf][0].\
split("/")[0]
return linklocal
else:
errormsg = "Link local ip missing on router {}"
except IndexError:
continue
errormsg = "Link local ip missing on router {}".format(router)
return errormsg
@ -1818,6 +1829,14 @@ def create_interfaces_cfg(tgen, topo, build=False):
else:
interface_data.append("ipv6 address {}".format(intf_addr))
# Wait for vrf interfaces to get link local address once they are up
if not destRouterLink == 'lo' and 'vrf' in topo[c_router][
'links'][destRouterLink]:
vrf = topo[c_router]['links'][destRouterLink]['vrf']
intf = topo[c_router]['links'][destRouterLink]['interface']
ll = get_frr_ipv6_linklocal(tgen, c_router, intf=intf,
vrf = vrf)
if "ipv6-link-local" in data:
intf_addr = c_data["links"][destRouterLink]["ipv6-link-local"]