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Merge pull request #16938 from btrent98/autorp-topotest

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pimd: enhance topotest of autorp, fix autorp cli bug
This commit is contained in:
Rafael Zalamena 2024-09-30 12:49:05 -03:00 committed by GitHub
commit 3941fb4cc7
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GPG Key ID: B5690EEEBB952194
4 changed files with 151 additions and 16 deletions
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3
pimd/pim_autorp.c
View File

@ -851,6 +851,7 @@ void pim_autorp_add_candidate_rp_plist(struct pim_instance *pim,
snprintf(rp->grplist, sizeof(rp->grplist), "%s", plist);
/* A new group prefix list implies that any previous group prefix is now invalid */
memset(&(rp->grp), 0, sizeof(rp->grp));
rp->grp.family = AF_INET;
pim_autorp_new_announcement(pim);
}
@ -1155,7 +1156,7 @@ void pim_autorp_show_autorp(struct vty *vty, struct pim_instance *pim,
table = ttable_dump(tt, "\n");
vty_out(vty, "%s\n", table);
XFREE(MTYPE_TMP, table);
XFREE(MTYPE_TMP_TTABLE, table);
}
ttable_del(tt);

2
pimd/pim_cmd.c
View File

@ -4609,7 +4609,7 @@ DEFPY (pim_autorp_announce_rp,
"Prefix list\n"
"List name\n")
{
return pim_process_autorp_candidate_rp_cmd(vty, no, rpaddr_str, grp,
return pim_process_autorp_candidate_rp_cmd(vty, no, rpaddr_str, (grp_str ? grp : NULL),
plist);
}

8
pimd/pim_cmd_common.c
View File

@ -639,9 +639,9 @@ int pim_process_autorp_candidate_rp_cmd(struct vty *vty, bool no,
char grpstr[64];
if (no) {
if (!is_default_prefix((const struct prefix *)grp) || plist) {
if ((grp && !is_default_prefix((const struct prefix *)grp)) || plist) {
/* If any single values are set, only destroy those */
if (!is_default_prefix((const struct prefix *)grp)) {
if (grp && !is_default_prefix((const struct prefix *)grp)) {
snprintfrr(xpath, sizeof(xpath),
"%s/candidate-rp-list[rp-address='%s']/group",
FRR_PIM_AUTORP_XPATH, rpaddr_str);
@ -663,12 +663,12 @@ int pim_process_autorp_candidate_rp_cmd(struct vty *vty, bool no,
nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL);
}
} else {
if (!is_default_prefix((const struct prefix *)grp) || plist) {
if ((grp && !is_default_prefix((const struct prefix *)grp)) || plist) {
snprintfrr(xpath, sizeof(xpath),
"%s/candidate-rp-list[rp-address='%s']",
FRR_PIM_AUTORP_XPATH, rpaddr_str);
nb_cli_enqueue_change(vty, xpath, NB_OP_CREATE, NULL);
if (!is_default_prefix((const struct prefix *)grp)) {
if (grp && !is_default_prefix((const struct prefix *)grp)) {
snprintfrr(xpath, sizeof(xpath),
"%s/candidate-rp-list[rp-address='%s']/group",
FRR_PIM_AUTORP_XPATH, rpaddr_str);

154
tests/topotests/pim_autorp/test_pim_autorp.py
View File

@ -11,12 +11,18 @@
import os
import sys
import pytest
from functools import partial
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, get_topogen
from lib.topolog import logger
from lib.pim import scapy_send_autorp_raw_packet, verify_pim_rp_info, verify_pim_rp_info_is_empty
from lib.pim import (
scapy_send_autorp_raw_packet,
verify_pim_rp_info,
verify_pim_rp_info_is_empty,
)
from lib.common_config import step, write_test_header
from time import sleep
@ -55,6 +61,7 @@ def build_topo(tgen):
switch.add_link(tgen.gears["r1"])
switch.add_link(tgen.gears["r2"])
def setup_module(mod):
logger.info("PIM AutoRP basic functionality:\n {}".format(TOPOLOGY))
@ -87,6 +94,7 @@ def teardown_module(mod):
tgen = get_topogen()
tgen.stop_topology()
def test_pim_autorp_discovery_single_rp(request):
"Test PIM AutoRP Discovery with single RP"
tgen = get_topogen()
@ -106,13 +114,25 @@ def test_pim_autorp_discovery_single_rp(request):
scapy_send_autorp_raw_packet(tgen, "r1", "r1-eth0", data)
step("Verify rp-info from AutoRP packet")
result = verify_pim_rp_info(tgen, None, "r2", "224.0.0.0/4", "r2-eth0", "10.10.76.1", "AutoRP", False, "ipv4", True)
result = verify_pim_rp_info(
tgen,
None,
"r2",
"224.0.0.0/4",
"r2-eth0",
"10.10.76.1",
"AutoRP",
False,
"ipv4",
True,
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Verify AutoRP configuration times out")
result = verify_pim_rp_info_is_empty(tgen, "r2")
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
def test_pim_autorp_discovery_multiple_rp(request):
"Test PIM AutoRP Discovery with multiple RP's"
tgen = get_topogen()
@ -132,9 +152,31 @@ def test_pim_autorp_discovery_multiple_rp(request):
scapy_send_autorp_raw_packet(tgen, "r1", "r1-eth0", data)
step("Verify rp-info from AutoRP packet")
result = verify_pim_rp_info(tgen, None, "r2", "224.0.0.0/8", "r2-eth0", "10.10.76.1", "AutoRP", False, "ipv4", True)
result = verify_pim_rp_info(
tgen,
None,
"r2",
"224.0.0.0/8",
"r2-eth0",
"10.10.76.1",
"AutoRP",
False,
"ipv4",
True,
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
result = verify_pim_rp_info(tgen, None, "r2", "225.0.0.0/8", "r2-eth0", "10.10.76.3", "AutoRP", False, "ipv4", True)
result = verify_pim_rp_info(
tgen,
None,
"r2",
"225.0.0.0/8",
"r2-eth0",
"10.10.76.3",
"AutoRP",
False,
"ipv4",
True,
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
@ -156,7 +198,18 @@ def test_pim_autorp_discovery_static(request):
rnode.cmd("vtysh -c 'conf t' -c 'router pim' -c 'rp 10.10.76.3 224.0.0.0/4'")
step("Verify static rp-info from r2")
result = verify_pim_rp_info(tgen, None, "r2", "224.0.0.0/4", "r2-eth0", "10.10.76.3", "Static", False, "ipv4", True)
result = verify_pim_rp_info(
tgen,
None,
"r2",
"224.0.0.0/4",
"r2-eth0",
"10.10.76.3",
"Static",
False,
"ipv4",
True,
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Send AutoRP packet from r1 to r2")
@ -165,10 +218,87 @@ def test_pim_autorp_discovery_static(request):
scapy_send_autorp_raw_packet(tgen, "r1", "r1-eth0", data)
step("Verify rp-info from AutoRP packet")
result = verify_pim_rp_info(tgen, None, "r2", "224.0.0.0/4", "r2-eth0", "10.10.76.1", "AutoRP", False, "ipv4", True)
result = verify_pim_rp_info(
tgen,
None,
"r2",
"224.0.0.0/4",
"r2-eth0",
"10.10.76.1",
"AutoRP",
False,
"ipv4",
True,
)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
def test_pim_autorp_announce_cli(request):
"Test PIM AutoRP Announcement CLI commands"
tgen = get_topogen()
tc_name = request.node.name
write_test_header(tc_name)
if tgen.routers_have_failure():
pytest.skip("skipped because of router(s) failure")
step("Add AutoRP announcement configuration to r1")
r1 = tgen.routers()["r1"]
r1.vtysh_cmd(
"""
conf
router pim
autorp announce holdtime 90
autorp announce interval 120
autorp announce scope 5
autorp announce 10.2.3.4 225.0.0.0/24
"""
)
expected = {
"discoveryEnabled": True,
"announce": {
"scope": 5,
"interval": 120,
"holdtime": 90,
"rpList": [
{"rpAddress": "10.2.3.4", "group": "225.0.0.0/24", "prefixList": ""}
],
},
}
test_func = partial(
topotest.router_json_cmp, r1, "show ip pim autorp json", expected
)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(r1.name)
assert result is None, assertmsg
r1.vtysh_cmd(
"""
conf
router pim
autorp announce 10.2.3.4 group-list ListA
"""
)
expected = {
"discoveryEnabled": True,
"announce": {
"scope": 5,
"interval": 120,
"holdtime": 90,
"rpList": [{"rpAddress": "10.2.3.4", "group": "", "prefixList": "ListA"}],
},
}
test_func = partial(
topotest.router_json_cmp, r1, "show ip pim autorp json", expected
)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = '"{}" JSON output mismatches'.format(r1.name)
assert result is None, assertmsg
def test_pim_autorp_announce_group(request):
"Test PIM AutoRP Announcement with a single group"
tgen = get_topogen()
@ -180,17 +310,21 @@ def test_pim_autorp_announce_group(request):
step("Add candidate RP configuration to r1")
rnode = tgen.routers()["r1"]
rnode.cmd("vtysh -c 'conf t' -c 'router pim' -c 'send-rp-announce 10.10.76.1 224.0.0.0/4'")
rnode.cmd(
"vtysh -c 'conf t' -c 'router pim' -c 'send-rp-announce 10.10.76.1 224.0.0.0/4'"
)
step("Verify Announcement sent data")
# TODO: Verify AutoRP mapping agent receives candidate RP announcement
# Mapping agent is not yet implemented
#sleep(10)
# sleep(10)
step("Change AutoRP Announcement packet parameters")
rnode.cmd("vtysh -c 'conf t' -c 'router pim' -c 'send-rp-announce scope 8 interval 10 holdtime 60'")
rnode.cmd(
"vtysh -c 'conf t' -c 'router pim' -c 'send-rp-announce scope 8 interval 10 holdtime 60'"
)
step("Verify Announcement sent data")
# TODO: Verify AutoRP mapping agent receives updated candidate RP announcement
# Mapping agent is not yet implemented
#sleep(10)
# sleep(10)
def test_memory_leak():