def test_route_nhg_exhaust(self, dvs, testlog):
"""
Test the situation of exhausting ECMP group, assume SAI_SWITCH_ATTR_NUMBER_OF_ECMP_GROUPS is 512
In order to achieve that, we will config
1. 9 ports
2. 512 routes with different nexthop group
See Also
--------
SwitchStateBase::set_number_of_ecmp_groups()
https://github.com/Azure/sonic-sairedis/blob/master/vslib/src/SwitchStateBase.cpp
"""
# TODO: check ECMP 512
def port_name(i):
return "Ethernet" + str(i * 4)
def port_ip(i):
return "10.0.0." + str(i * 2)
def peer_ip(i):
return "10.0.0." + str(i * 2 + 1)
def port_ipprefix(i):
return port_ip(i) + "/31"
def port_mac(i):
return "00:00:00:00:00:0" + str(i)
def gen_ipprefix(r):
""" Construct route like 2.X.X.0/24 """
ip = ipaddress.IPv4Address(IP_INTEGER_BASE + r * 256)
ip = str(ip)
ipprefix = ip + "/24"
return ipprefix
def gen_nhg_fvs(binary):
nexthop = []
ifname = []
for i in range(MAX_PORT_COUNT):
if binary[i] == '1':
nexthop.append(peer_ip(i))
ifname.append(port_name(i))
nexthop = ','.join(nexthop)
ifname = ','.join(ifname)
fvs = swsscommon.FieldValuePairs([("nexthop", nexthop),
("ifname", ifname)])
return fvs
def asic_route_exists(keys, ipprefix):
for k in keys:
rt_key = json.loads(k)
if rt_key['dest'] == ipprefix:
return k
else:
return None
def asic_route_nhg_fvs(k):
fvs = asic_db.get_entry("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY",
k)
if not fvs:
return None
print(fvs)
nhgid = fvs.get("SAI_ROUTE_ENTRY_ATTR_NEXT_HOP_ID")
if nhgid is None:
return None
fvs = asic_db.get_entry(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP", nhgid)
return fvs
MAX_ECMP_COUNT = 512
MAX_PORT_COUNT = 10
if sys.version_info < (3, 0):
IP_INTEGER_BASE = int(ipaddress.IPv4Address(unicode("2.2.2.0")))
else:
IP_INTEGER_BASE = int(ipaddress.IPv4Address(str("2.2.2.0")))
config_db = dvs.get_config_db()
fvs = {"NULL": "NULL"}
for i in range(MAX_PORT_COUNT):
config_db.create_entry("INTERFACE", port_name(i), fvs)
config_db.create_entry(
"INTERFACE", "{}|{}".format(port_name(i), port_ipprefix(i)),
fvs)
dvs.runcmd("config interface startup " + port_name(i))
dvs.runcmd("arp -s {} {}".format(peer_ip(i), port_mac(i)))
assert dvs.servers[i].runcmd("ip link set down dev eth0") == 0
assert dvs.servers[i].runcmd("ip link set up dev eth0") == 0
app_db = dvs.get_app_db()
asic_db = dvs.get_asic_db()
ps = swsscommon.ProducerStateTable(app_db.db_connection, "ROUTE_TABLE")
# Add first batch of routes with unique nexthop groups in AppDB
route_count = 0
r = 0
asic_routes_count = len(
asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY"))
while route_count < MAX_ECMP_COUNT:
r += 1
fmt = '{{0:0{}b}}'.format(MAX_PORT_COUNT)
binary = fmt.format(r)
# We need at least 2 ports for a nexthop group
if binary.count('1') <= 1:
continue
fvs = gen_nhg_fvs(binary)
route_ipprefix = gen_ipprefix(route_count)
ps.set(route_ipprefix, fvs)
route_count += 1
# Wait and check ASIC DB the count of nexthop groups used
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP",
MAX_ECMP_COUNT)
# Wait and check ASIC DB the count of routes
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY",
asic_routes_count + MAX_ECMP_COUNT)
asic_routes_count += MAX_ECMP_COUNT
# Add second batch of routes with unique nexthop groups in AppDB
# Add more routes with new nexthop group in AppDBdd
route_ipprefix = gen_ipprefix(route_count)
base_ipprefix = route_ipprefix
base = route_count
route_count = 0
while route_count < 10:
r += 1
fmt = '{{0:0{}b}}'.format(MAX_PORT_COUNT)
binary = fmt.format(r)
# We need at least 2 ports for a nexthop group
if binary.count('1') <= 1:
continue
fvs = gen_nhg_fvs(binary)
route_ipprefix = gen_ipprefix(base + route_count)
ps.set(route_ipprefix, fvs)
route_count += 1
last_ipprefix = route_ipprefix
# Wait until we get expected routes and check ASIC DB on the count of nexthop groups used, and it should not increase
keys = asic_db.wait_for_n_keys(
"ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY", asic_routes_count + 10)
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP",
MAX_ECMP_COUNT)
# Check the route points to next hop group
# Note: no need to wait here
k = asic_route_exists(keys, "2.2.2.0/24")
assert k is not None
fvs = asic_route_nhg_fvs(k)
assert fvs is not None
# Check the second batch does not point to next hop group
k = asic_route_exists(keys, base_ipprefix)
assert k is not None
fvs = asic_route_nhg_fvs(k)
assert not (fvs)
# Remove first batch of routes with unique nexthop groups in AppDB
route_count = 0
r = 0
while route_count < MAX_ECMP_COUNT:
r += 1
fmt = '{{0:0{}b}}'.format(MAX_PORT_COUNT)
binary = fmt.format(r)
# We need at least 2 ports for a nexthop group
if binary.count('1') <= 1:
continue
route_ipprefix = gen_ipprefix(route_count)
ps._del(route_ipprefix)
route_count += 1
# Wait and check the second batch points to next hop group
# Check ASIC DB on the count of nexthop groups used, and it should not increase or decrease
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP",
10)
keys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY")
k = asic_route_exists(keys, base_ipprefix)
assert k is not None
fvs = asic_route_nhg_fvs(k)
assert fvs is not None
k = asic_route_exists(keys, last_ipprefix)
assert k is not None
fvs = asic_route_nhg_fvs(k)
assert fvs is not None
def add_neighbor(self, interface, ip, mac):
tbl = swsscommon.ProducerStateTable(self.pdb, "NEIGH_TABLE")
fvs = swsscommon.FieldValuePairs([("neigh", mac),
("family", "IPv4")])
tbl.set(interface + ":" + ip, fvs)
time.sleep(1)
def create_entry_pst(db, table, separator, key, pairs):
tbl = swsscommon.ProducerStateTable(db, table)
create_entry(tbl, key, pairs)
def _test_sub_port_intf_oper_down_with_pending_neigh_route_tasks(
self,
dvs,
sub_port_intf_name,
nhop_num=3,
create_intf_on_parent_port=False):
substrs = sub_port_intf_name.split(VLAN_SUB_INTERFACE_SEPARATOR)
parent_port = substrs[0]
vlan_id = substrs[1]
assert len(vlan_id) == 2
if parent_port.startswith(ETHERNET_PREFIX):
parent_port_prefix = ETHERNET_PREFIX
else:
assert parent_port.startswith(LAG_PREFIX)
parent_port_prefix = LAG_PREFIX
parent_port_idx_base = self.get_parent_port_index(parent_port)
# Set parent ports admin status up
parent_port_idx = parent_port_idx_base
for i in range(0, nhop_num):
port_name = "{}{}".format(parent_port_prefix, parent_port_idx)
self.set_parent_port_admin_status(dvs, port_name, "up")
parent_port_idx += (4 if parent_port_prefix == ETHERNET_PREFIX else
1)
ifnames = []
# Create sub port interfaces
ifnames.extend(
self.create_nhg_router_intfs(dvs, parent_port_prefix,
parent_port_idx_base, int(vlan_id),
nhop_num))
# Create router interfaces on parent ports
if create_intf_on_parent_port == True:
ifnames.extend(
self.create_nhg_router_intfs(dvs, parent_port_prefix,
parent_port_idx_base, 0,
nhop_num))
# Bring parent port oper status down one at a time
# Verify next hop group members created after processing pending tasks
parent_port_idx = parent_port_idx_base
for i in range(0, nhop_num):
port_name = "{}{}".format(parent_port_prefix, parent_port_idx)
self.set_parent_port_oper_status(dvs, port_name, "down")
# Verify parent port oper status down
fv_dict = {
"oper_status": "down",
}
if parent_port_prefix == ETHERNET_PREFIX:
self.check_sub_port_intf_fvs(self.app_db, APP_PORT_TABLE_NAME,
port_name, fv_dict)
else:
self.check_sub_port_intf_fvs(self.app_db, APP_LAG_TABLE_NAME,
port_name, fv_dict)
# Mimic pending neighbor task
nhop_ips = []
nhop_cnt = len(self.asic_db.get_keys(ASIC_NEXT_HOP_TABLE))
# Create next hop objects on sub port interfaces
nhop_ips.extend(
self.create_nhg_next_hop_objs(dvs, parent_port_prefix,
parent_port_idx_base,
int(vlan_id), nhop_num))
# Create next hop objects on router interfaces
if create_intf_on_parent_port == True:
nhop_ips.extend(
self.create_nhg_next_hop_objs(dvs, parent_port_prefix,
parent_port_idx_base, 0,
nhop_num))
self.asic_db.wait_for_n_keys(
ASIC_NEXT_HOP_TABLE, nhop_cnt +
nhop_num if create_intf_on_parent_port == False else nhop_cnt +
nhop_num * 2)
# Mimic pending multi-next-hop route entry task
rt_tbl = swsscommon.ProducerStateTable(self.app_db.db_connection,
APP_ROUTE_TABLE_NAME)
fvs = swsscommon.FieldValuePairs([("nexthop", ",".join(nhop_ips)),
("ifname", ",".join(ifnames))])
ip_prefix = "2.2.2.0/24"
rt_tbl.set(ip_prefix, fvs)
# Verify route entry created in ASIC_DB and get next hop group oid
nhg_oid = self.get_ip_prefix_nhg_oid(ip_prefix)
# Verify next hop group of the specified oid created in ASIC_DB
self.check_sub_port_intf_key_existence(self.asic_db,
ASIC_NEXT_HOP_GROUP_TABLE,
nhg_oid)
# Verify next hop group member # created in ASIC_DB
nhg_member_oids = self.asic_db.wait_for_n_keys(ASIC_NEXT_HOP_GROUP_MEMBER_TABLE, \
(nhop_num - 1) - i if create_intf_on_parent_port == False else ((nhop_num - 1) - i) * 2)
# Verify that next hop group members all belong to the next hop group of the specified oid
fv_dict = {
"SAI_NEXT_HOP_GROUP_MEMBER_ATTR_NEXT_HOP_GROUP_ID": nhg_oid,
}
for nhg_member_oid in nhg_member_oids:
self.check_sub_port_intf_fvs(self.asic_db,
ASIC_NEXT_HOP_GROUP_MEMBER_TABLE,
nhg_member_oid, fv_dict)
nhop_cnt = len(self.asic_db.get_keys(ASIC_NEXT_HOP_TABLE))
# Remove next hop objects on sub port interfaces
self.remove_nhg_next_hop_objs(dvs, parent_port_prefix,
parent_port_idx_base, int(vlan_id),
nhop_num)
# Remove next hop objects on router interfaces
if create_intf_on_parent_port == True:
self.remove_nhg_next_hop_objs(dvs, parent_port_prefix,
parent_port_idx_base, 0,
nhop_num)
# Remove ecmp route entry
rt_tbl._del(ip_prefix)
# Removal of next hop objects indicates the proper removal of route entry, nhg, and nhg members
self.asic_db.wait_for_n_keys(
ASIC_NEXT_HOP_TABLE, nhop_cnt -
nhop_num if create_intf_on_parent_port == False else nhop_cnt -
nhop_num * 2)
parent_port_idx += (4 if parent_port_prefix == ETHERNET_PREFIX else
1)
# Clean up
rif_cnt = len(self.asic_db.get_keys(ASIC_RIF_TABLE))
# Remove sub port interfaces
self.remove_nhg_router_intfs(dvs,
parent_port_prefix, parent_port_idx_base,
int(vlan_id), nhop_num)
# Remove router interfaces on parent ports
if create_intf_on_parent_port == True:
self.remove_nhg_router_intfs(dvs, parent_port_prefix,
parent_port_idx_base, 0, nhop_num)
self.asic_db.wait_for_n_keys(
ASIC_RIF_TABLE, rif_cnt -
nhop_num if create_intf_on_parent_port == False else rif_cnt -
nhop_num * 2)
# Make sure parent port oper status is up
parent_port_idx = parent_port_idx_base
for i in range(0, nhop_num):
port_name = "{}{}".format(parent_port_prefix, parent_port_idx)
self.set_parent_port_oper_status(dvs, port_name, "up")
parent_port_idx += (4 if parent_port_prefix == ETHERNET_PREFIX else
1)
def test_route_fgnhg_warm_reboot(self, dvs, testlog):
dvs.runcmd("swssloglevel -l INFO -c orchagent")
app_db = dvs.get_app_db()
asic_db = dvs.get_asic_db()
config_db = dvs.get_config_db()
state_db = dvs.get_state_db()
fvs_nul = {"NULL": "NULL"}
NUM_NHs = 6
fg_nhg_name = "fgnhg_v4"
fg_nhg_prefix = "2.2.2.0/24"
bucket_size = 60
ip_to_if_map = {}
fvs = {"bucket_size": str(bucket_size)}
create_entry(config_db, FG_NHG, fg_nhg_name, fvs)
fvs = {"FG_NHG": fg_nhg_name}
create_entry(config_db, FG_NHG_PREFIX, fg_nhg_prefix, fvs)
for i in range(0,NUM_NHs):
if_name_key = "Ethernet" + str(i*4)
vlan_name_key = "Vlan" + str((i+1)*4)
ip_pref_key = vlan_name_key + "|10.0.0." + str(i*2) + "/31"
fvs = {"vlanid": str((i+1)*4)}
create_entry(config_db, VLAN_TB, vlan_name_key, fvs)
fvs = {"tagging_mode": "untagged"}
create_entry(config_db, VLAN_MEMB_TB, vlan_name_key + "|" + if_name_key, fvs)
create_entry(config_db, VLAN_IF_TB, vlan_name_key, fvs_nul)
create_entry(config_db, VLAN_IF_TB, ip_pref_key, fvs_nul)
dvs.runcmd("config interface startup " + if_name_key)
dvs.servers[i].runcmd("ip link set down dev eth0") == 0
dvs.servers[i].runcmd("ip link set up dev eth0") == 0
bank = 0
if i >= NUM_NHs/2:
bank = 1
fvs = {"FG_NHG": fg_nhg_name, "bank": str(bank), "link": if_name_key}
create_entry(config_db, FG_NHG_MEMBER, "10.0.0." + str(1 + i*2), fvs)
ip_to_if_map["10.0.0." + str(1 + i*2)] = vlan_name_key
# Wait for the software to receive the entries
time.sleep(1)
ps = swsscommon.ProducerStateTable(app_db.db_connection, ROUTE_TB)
fvs = swsscommon.FieldValuePairs([("nexthop","10.0.0.7,10.0.0.9,10.0.0.11"),
("ifname", "Vlan16,Vlan20,Vlan24")])
ps.set(fg_nhg_prefix, fvs)
# No ASIC_DB entry we can wait for since ARP is not resolved yet,
# We just use sleep so that the sw receives this entry
time.sleep(1)
asic_nh_count = len(asic_db.get_keys(ASIC_NH_TB))
dvs.runcmd("arp -s 10.0.0.1 00:00:00:00:00:01")
dvs.runcmd("arp -s 10.0.0.3 00:00:00:00:00:02")
dvs.runcmd("arp -s 10.0.0.5 00:00:00:00:00:03")
dvs.runcmd("arp -s 10.0.0.7 00:00:00:00:00:04")
dvs.runcmd("arp -s 10.0.0.9 00:00:00:00:00:05")
dvs.runcmd("arp -s 10.0.0.11 00:00:00:00:00:06")
asic_db.wait_for_n_keys(ASIC_NH_TB, asic_nh_count + 6)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = get_nh_oid_map(asic_db)
# Now that ARP was resolved, 10.0.0.7 should be added as a valid fg nhg member
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
run_warm_reboot(dvs)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = get_nh_oid_map(asic_db)
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.7":30,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 2 next hop and bring up 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.9":60}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring up 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring up some next-hops in bank 0 for the 1st time
nh_memb_exp_count = {"10.0.0.1":10,"10.0.0.3":10,"10.0.0.5":10,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
run_warm_reboot(dvs)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = get_nh_oid_map(asic_db)
nh_memb_exp_count = {"10.0.0.1":10,"10.0.0.3":10,"10.0.0.5":10,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
def test_CrmIpv6Route(self, dvs, testlog):
# Enable IPv6 routing
dvs.runcmd("sysctl net.ipv6.conf.all.disable_ipv6=0")
time.sleep(2)
config_db = swsscommon.DBConnector(swsscommon.CONFIG_DB,
dvs.redis_sock, 0)
intf_tbl = swsscommon.Table(config_db, "INTERFACE")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
intf_tbl.set("Ethernet0", fvs)
intf_tbl.set("Ethernet0|fc00::1/126", fvs)
dvs.port_admin_set("Ethernet0", "up")
dvs.servers[0].runcmd("ifconfig eth0 inet6 add fc00::2/126")
dvs.servers[0].runcmd("ip -6 route add default via fc00::1")
crm_update(dvs, "polling_interval", "1")
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY',
'1000')
# get neighbor and arp entry
dvs.servers[0].runcmd("ping6 -c 4 fc00::1")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "fc00::2"),
("ifname", "Ethernet0")])
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_available')
# add route and update available counter
ps.set("2001::/64", fvs)
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY',
'999')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_ipv6_route_available')
assert new_used_counter - used_counter == 1
assert avail_counter - new_avail_counter == 1
# remove route and update available counter
ps._del("2001::/64")
dvs.runcmd(
"ip -6 neigh del fc00::2 lladdr 11:22:33:44:55:66 dev Ethernet0")
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY',
'1000')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_ipv6_route_available')
assert new_used_counter == used_counter
assert new_avail_counter == avail_counter
marker = dvs.add_log_marker()
crm_update(dvs, "polling_interval", "2")
crm_update(dvs, "ipv6_route_high_threshold", "90")
crm_update(dvs, "ipv6_route_threshold_type", "free")
time.sleep(2)
check_syslog(dvs, marker, "IPV6_ROUTE THRESHOLD_EXCEEDED for TH_FREE",
1)
intf_tbl._del("Ethernet0|fc00::1/126")
time.sleep(2)
def test_CrmNexthopGroupMember(self, dvs, testlog):
# down, then up to generate port up signal
dvs.servers[0].runcmd("ip link set down dev eth0") == 0
dvs.servers[1].runcmd("ip link set down dev eth0") == 0
dvs.servers[0].runcmd("ip link set up dev eth0") == 0
dvs.servers[1].runcmd("ip link set up dev eth0") == 0
config_db = swsscommon.DBConnector(swsscommon.CONFIG_DB,
dvs.redis_sock, 0)
intf_tbl = swsscommon.Table(config_db, "INTERFACE")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
intf_tbl.set("Ethernet0", fvs)
intf_tbl.set("Ethernet4", fvs)
intf_tbl.set("Ethernet0|10.0.0.0/31", fvs)
intf_tbl.set("Ethernet4|10.0.0.2/31", fvs)
dvs.port_admin_set("Ethernet0", "up")
dvs.port_admin_set("Ethernet4", "up")
crm_update(dvs, "polling_interval", "1")
dvs.setReadOnlyAttr(
'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY', '1000')
# add neighbors
dvs.runcmd(
"ip neigh replace 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
dvs.runcmd(
"ip neigh replace 10.0.0.3 lladdr 11:22:33:44:55:66 dev Ethernet4")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "10.0.0.1,10.0.0.3"),
("ifname", "Ethernet0,Ethernet4")])
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_used')
avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
# add route and update available counter
ps.set("2.2.2.0/24", fvs)
dvs.setReadOnlyAttr(
'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY', '998')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
assert new_used_counter - used_counter == 2
assert avail_counter - new_avail_counter == 2
# remove route and update available counter
ps._del("2.2.2.0/24")
dvs.runcmd(
"ip neigh del 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
dvs.runcmd(
"ip neigh del 10.0.0.3 lladdr 11:22:33:44:55:66 dev Ethernet4")
dvs.setReadOnlyAttr(
'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY', '1000')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
assert new_used_counter == used_counter
assert new_avail_counter == avail_counter
marker = dvs.add_log_marker()
crm_update(dvs, "polling_interval", "2")
crm_update(dvs, "nexthop_group_member_high_threshold", "90")
crm_update(dvs, "nexthop_group_member_threshold_type", "free")
time.sleep(2)
check_syslog(dvs, marker,
"NEXTHOP_GROUP_MEMBER THRESHOLD_EXCEEDED for TH_FREE", 1)
intf_tbl._del("Ethernet0|10.0.0.0/31")
intf_tbl._del("Ethernet4|10.0.0.2/31")
time.sleep(2)
def test_PortAutoNegWarm(self, dvs, testlog):
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
cdb = swsscommon.DBConnector(4, dvs.redis_sock, 0)
sdb = swsscommon.DBConnector(6, dvs.redis_sock, 0)
tbl = swsscommon.ProducerStateTable(db, "PORT_TABLE")
ctbl = swsscommon.Table(cdb, "PORT")
stbl = swsscommon.Table(sdb, "PORT_TABLE")
# set autoneg = true and speed = 1000
fvs = swsscommon.FieldValuePairs([("autoneg", "on"),
("speed", "1000")])
ctbl.set("Ethernet0", fvs)
time.sleep(1)
adb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
atbl = swsscommon.Table(adb, "ASIC_STATE:SAI_OBJECT_TYPE_PORT")
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
assert "SAI_PORT_ATTR_AUTO_NEG_MODE" in [fv[0] for fv in fvs]
assert "SAI_PORT_ATTR_ADVERTISED_SPEED" in [fv[0] for fv in fvs]
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "true"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:1000"
# set speed = 100
fvs = swsscommon.FieldValuePairs([("speed", "100")])
ctbl.set("Ethernet0", fvs)
time.sleep(1)
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "true"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:100"
# set admin up
cfvs = swsscommon.FieldValuePairs([("admin_status", "up")])
ctbl.set("Ethernet0", cfvs)
# enable warm restart
(exitcode, result) = dvs.runcmd("config warm_restart enable swss")
assert exitcode == 0
# freeze orchagent for warm restart
(exitcode, result) = dvs.runcmd("/usr/bin/orchagent_restart_check")
assert result == "RESTARTCHECK succeeded\n"
time.sleep(2)
try:
# restart orchagent
# clean port state
dvs.stop_swss()
ports = stbl.getKeys()
for port in ports:
stbl._del(port)
dvs.start_swss()
time.sleep(2)
# check ASIC DB after warm restart
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
assert "SAI_PORT_ATTR_AUTO_NEG_MODE" in [fv[0] for fv in fvs]
assert "SAI_PORT_ATTR_ADVERTISED_SPEED" in [fv[0] for fv in fvs]
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "true"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:100"
finally:
# disable warm restart
dvs.runcmd("config warm_restart disable swss")
# slow down crm polling
dvs.runcmd("crm config polling interval 10000")
def test_PortAutoNegCold(self, dvs, testlog):
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
tbl = swsscommon.ProducerStateTable(db, "PORT_TABLE")
# set autoneg = true and speed = 1000
fvs = swsscommon.FieldValuePairs([("autoneg", "on"),
("speed", "1000")])
tbl.set("Ethernet0", fvs)
time.sleep(1)
adb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
atbl = swsscommon.Table(adb, "ASIC_STATE:SAI_OBJECT_TYPE_PORT")
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
assert "SAI_PORT_ATTR_AUTO_NEG_MODE" in [fv[0] for fv in fvs]
assert "SAI_PORT_ATTR_ADVERTISED_SPEED" in [fv[0] for fv in fvs]
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "true"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:1000"
# set speed = 100
fvs = swsscommon.FieldValuePairs([("speed", "100")])
tbl.set("Ethernet0", fvs)
time.sleep(1)
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "true"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:100"
# change autoneg to false
fvs = swsscommon.FieldValuePairs([("autoneg", "off")])
tbl.set("Ethernet0", fvs)
time.sleep(1)
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
assert "SAI_PORT_ATTR_AUTO_NEG_MODE" in [fv[0] for fv in fvs]
assert "SAI_PORT_ATTR_ADVERTISED_SPEED" in [fv[0] for fv in fvs]
assert "SAI_PORT_ATTR_SPEED" in [fv[0] for fv in fvs]
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "false"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:100"
elif fv[0] == "SAI_PORT_ATTR_SPEED":
assert fv[1] == "100"
# set speed = 1000
fvs = swsscommon.FieldValuePairs([("speed", "1000")])
tbl.set("Ethernet0", fvs)
time.sleep(1)
(status, fvs) = atbl.get(dvs.asicdb.portnamemap["Ethernet0"])
assert status == True
for fv in fvs:
if fv[0] == "SAI_PORT_ATTR_AUTO_NEG_MODE":
assert fv[1] == "false"
elif fv[0] == "SAI_PORT_ATTR_ADVERTISED_SPEED":
assert fv[1] == "1:100"
elif fv[0] == "SAI_PORT_ATTR_SPEED":
assert fv[1] == "1000"
def test_Portchannel_oper_down(self, dvs, testlog):
self.adb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
self.cdb = swsscommon.DBConnector(4, dvs.redis_sock, 0)
self.pdb = swsscommon.DBConnector(0, dvs.redis_sock, 0)
# Create 4 PortChannels
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL")
fvs = swsscommon.FieldValuePairs([("admin_status", "up"),
("mtu", "9100"),
("oper_status", "up")])
tbl.set("PortChannel001", fvs)
time.sleep(1)
tbl.set("PortChannel002", fvs)
time.sleep(1)
tbl.set("PortChannel003", fvs)
time.sleep(1)
tbl.set("PortChannel004", fvs)
time.sleep(1)
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL_MEMBER")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
tbl.set("PortChannel001|Ethernet0", fvs)
time.sleep(1)
tbl.set("PortChannel002|Ethernet4", fvs)
time.sleep(1)
tbl.set("PortChannel003|Ethernet8", fvs)
time.sleep(1)
tbl.set("PortChannel004|Ethernet12", fvs)
time.sleep(1)
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL_INTERFACE")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
tbl.set("PortChannel001", fvs)
tbl.set("PortChannel001|40.0.0.0/31", fvs)
time.sleep(1)
tbl.set("PortChannel002", fvs)
tbl.set("PortChannel002|40.0.0.2/31", fvs)
time.sleep(1)
tbl.set("PortChannel003", fvs)
tbl.set("PortChannel003|40.0.0.4/31", fvs)
time.sleep(1)
tbl.set("PortChannel004", fvs)
tbl.set("PortChannel004|40.0.0.6/31", fvs)
time.sleep(1)
# check application database
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel001")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 1
assert intf_entries[0] == "40.0.0.0/31"
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel002")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 1
assert intf_entries[0] == "40.0.0.2/31"
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel003")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 1
assert intf_entries[0] == "40.0.0.4/31"
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel004")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 1
assert intf_entries[0] == "40.0.0.6/31"
# set oper_status for PortChannels
ps = swsscommon.ProducerStateTable(self.pdb, "LAG_TABLE")
fvs = swsscommon.FieldValuePairs([("admin_status", "up"),
("mtu", "9100"),
("oper_status", "up")])
ps.set("PortChannel001", fvs)
ps.set("PortChannel002", fvs)
ps.set("PortChannel003", fvs)
ps.set("PortChannel004", fvs)
time.sleep(1)
dvs.runcmd("arp -s 40.0.0.1 00:00:00:00:00:01")
time.sleep(1)
dvs.runcmd("arp -s 40.0.0.3 00:00:00:00:00:03")
time.sleep(1)
dvs.runcmd("arp -s 40.0.0.5 00:00:00:00:00:05")
time.sleep(1)
dvs.runcmd("arp -s 40.0.0.7 00:00:00:00:00:07")
time.sleep(1)
ps = swsscommon.ProducerStateTable(self.pdb, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([
("nexthop", "40.0.0.1,40.0.0.3,40.0.0.5,40.0.0.7"),
("ifname",
"PortChannel001,PortChannel002,PortChannel003,PortChannel004")
])
ps.set("2.2.2.0/24", fvs)
time.sleep(1)
# check if route has propagated to ASIC DB
re_tbl = swsscommon.Table(self.adb,
"ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY")
found_route = False
for key in re_tbl.getKeys():
route = json.loads(key)
if route["dest"] == "2.2.2.0/24":
found_route = True
break
assert found_route
# check if route points to next hop group
nhg_tbl = swsscommon.Table(
self.adb, "ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP")
(status, fvs) = re_tbl.get(key)
for v in fvs:
if v[0] == "SAI_ROUTE_ENTRY_ATTR_NEXT_HOP_ID":
nhg_id = v[1]
(status, fvs) = nhg_tbl.get(nhg_id)
assert status
# check if next hop group consists of 4 members
nhg_member_tbl = swsscommon.Table(
self.adb, "ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER")
keys = nhg_member_tbl.getKeys()
assert len(keys) == 4
for key in keys:
(status, fvs) = nhg_member_tbl.get(key)
for v in fvs:
if v[0] == "SAI_NEXT_HOP_GROUP_MEMBER_ATTR_NEXT_HOP_GROUP_ID":
assert v[1] == nhg_id
# bring PortChannel down
dvs.servers[0].runcmd("ip link set down dev eth0")
time.sleep(1)
ps = swsscommon.ProducerStateTable(self.pdb, "LAG_TABLE")
fvs = swsscommon.FieldValuePairs([("admin_status", "up"),
("mtu", "9100"),
("oper_status", "down")])
ps.set("PortChannel001", fvs)
time.sleep(1)
# check if next hop group consists of 3 member
keys = nhg_member_tbl.getKeys()
assert len(keys) == 3
# remove IP address
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL_INTERFACE")
tbl._del("PortChannel001|40.0.0.0/31")
tbl._del("PortChannel002|40.0.0.2/31")
tbl._del("PortChannel003|40.0.0.4/31")
tbl._del("PortChannel004|40.0.0.6/31")
time.sleep(1)
# check application database
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel001")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 0
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel002")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 0
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel003")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 0
tbl = swsscommon.Table(self.pdb, "INTF_TABLE:PortChannel004")
intf_entries = tbl.getKeys()
assert len(intf_entries) == 0
# remove PortChannel members
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL_MEMBER")
tbl._del("PortChannel001|Ethernet0")
tbl._del("PortChannel002|Ethernet4")
tbl._del("PortChannel003|Ethernet8")
tbl._del("PortChannel004|Ethernet12")
time.sleep(1)
# remove PortChannel
tbl = swsscommon.Table(self.cdb, "PORTCHANNEL")
tbl._del("PortChannel001")
tbl._del("PortChannel002")
tbl._del("PortChannel003")
tbl._del("PortChannel004")
time.sleep(1)
# Restore eth0 up
dvs.servers[0].runcmd("ip link set up dev eth0")
time.sleep(1)
def test_AclTableCreationBeforeLAG(self, dvs):
# prepare db and tables
self.clean_up_left_over(dvs)
db = swsscommon.DBConnector(4, dvs.redis_sock, 0)
adb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
apldb = swsscommon.DBConnector(0, dvs.redis_sock, 0)
# create acl table
tbl = swsscommon.Table(db, "ACL_TABLE")
bind_ports = ["PortChannel0003"]
fvs = swsscommon.FieldValuePairs([("policy_desc", "test_negative"),
("type", "L3"),
("ports", ",".join(bind_ports))])
tbl.set("test_LAG_2", fvs)
time.sleep(1)
# check acl table in asic db
test_acl_table_id = self.get_acl_table_id(dvs, adb)
# check acl table group in asic db
self.verify_acl_group_num(adb, 0)
# get acl table group ids and verify the id numbers
atbl = swsscommon.Table(adb,
"ASIC_STATE:SAI_OBJECT_TYPE_ACL_TABLE_GROUP")
acl_group_ids = atbl.getKeys()
assert len(acl_group_ids) == 0
# check acl table group member
self.verify_acl_group_member(adb, acl_group_ids, test_acl_table_id)
# get lad ids
atbl_lag = swsscommon.Table(adb, "ASIC_STATE:SAI_OBJECT_TYPE_LAG")
lag_ids = atbl_lag.getKeys()
assert len(lag_ids) == 0
# check port binding
self.verify_acl_lag_binding(adb, lag_ids)
# create port channel
ps = swsscommon.ProducerStateTable(apldb, "LAG_TABLE")
fvs = swsscommon.FieldValuePairs([("admin", "up"), ("mtu", "1500")])
ps.set("PortChannel0003", fvs)
# create port channel member
ps = swsscommon.ProducerStateTable(apldb, "LAG_MEMBER_TABLE")
fvs = swsscommon.FieldValuePairs([("status", "enabled")])
ps.set("PortChannel0003:Ethernet20", fvs)
time.sleep(1)
# notify aclorch that port channel configured
stdb = swsscommon.DBConnector(6, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(stdb, "LAG_TABLE")
fvs = swsscommon.FieldValuePairs([("state", "ok")])
ps.set("PortChannel0003", fvs)
time.sleep(1)
# check acl table in asic db
test_acl_table_id = self.get_acl_table_id(dvs, adb)
# check acl table group in asic db
self.verify_acl_group_num(adb, 1)
# get acl table group ids and verify the id numbers
atbl = swsscommon.Table(adb,
"ASIC_STATE:SAI_OBJECT_TYPE_ACL_TABLE_GROUP")
acl_group_ids = atbl.getKeys()
assert len(acl_group_ids) == 1
# check acl table group member
self.verify_acl_group_member(adb, acl_group_ids, test_acl_table_id)
# get lad ids
atbl_lag = swsscommon.Table(adb, "ASIC_STATE:SAI_OBJECT_TYPE_LAG")
lag_ids = atbl_lag.getKeys()
assert len(lag_ids) == 1
# check port binding
self.verify_acl_lag_binding(adb, lag_ids)
tbl = swsscommon.Table(db, "ACL_TABLE")
tbl._del("test_LAG_2")
def test_Portchannel(self, dvs, testlog):
# create port channel
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "LAG_TABLE")
fvs = swsscommon.FieldValuePairs([("admin", "up"), ("mtu", "1500")])
ps.set("PortChannel0001", fvs)
# create port channel member
ps = swsscommon.ProducerStateTable(db, "LAG_MEMBER_TABLE")
fvs = swsscommon.FieldValuePairs([("status", "enabled")])
ps.set("PortChannel0001:Ethernet0", fvs)
time.sleep(1)
# check asic db
asicdb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
lagtbl = swsscommon.Table(asicdb, "ASIC_STATE:SAI_OBJECT_TYPE_LAG")
lags = lagtbl.getKeys()
assert len(lags) == 1
lagmtbl = swsscommon.Table(asicdb,
"ASIC_STATE:SAI_OBJECT_TYPE_LAG_MEMBER")
lagms = lagmtbl.getKeys()
assert len(lagms) == 1
(status, fvs) = lagmtbl.get(lagms[0])
fvs = dict(fvs)
assert status
assert "SAI_LAG_MEMBER_ATTR_LAG_ID" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_LAG_ID") == lags[0]
assert "SAI_LAG_MEMBER_ATTR_PORT_ID" in fvs
assert dvs.asicdb.portoidmap[fvs.pop(
"SAI_LAG_MEMBER_ATTR_PORT_ID")] == "Ethernet0"
assert "SAI_LAG_MEMBER_ATTR_INGRESS_DISABLE" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_INGRESS_DISABLE") == "false"
assert "SAI_LAG_MEMBER_ATTR_EGRESS_DISABLE" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_EGRESS_DISABLE") == "false"
assert not fvs
ps = swsscommon.ProducerStateTable(db, "LAG_MEMBER_TABLE")
fvs = swsscommon.FieldValuePairs([("status", "disabled")])
ps.set("PortChannel0001:Ethernet0", fvs)
time.sleep(1)
lagmtbl = swsscommon.Table(asicdb,
"ASIC_STATE:SAI_OBJECT_TYPE_LAG_MEMBER")
lagms = lagmtbl.getKeys()
assert len(lagms) == 1
(status, fvs) = lagmtbl.get(lagms[0])
fvs = dict(fvs)
assert status
assert "SAI_LAG_MEMBER_ATTR_LAG_ID" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_LAG_ID") == lags[0]
assert "SAI_LAG_MEMBER_ATTR_PORT_ID" in fvs
assert dvs.asicdb.portoidmap[fvs.pop(
"SAI_LAG_MEMBER_ATTR_PORT_ID")] == "Ethernet0"
assert "SAI_LAG_MEMBER_ATTR_INGRESS_DISABLE" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_INGRESS_DISABLE") == "true"
assert "SAI_LAG_MEMBER_ATTR_EGRESS_DISABLE" in fvs
assert fvs.pop("SAI_LAG_MEMBER_ATTR_EGRESS_DISABLE") == "true"
assert not fvs
# remove port channel member
ps = swsscommon.ProducerStateTable(db, "LAG_MEMBER_TABLE")
ps._del("PortChannel0001:Ethernet0")
# remove port channel
ps = swsscommon.ProducerStateTable(db, "LAG_TABLE")
ps._del("PortChannel0001")
time.sleep(1)
# check asic db
lags = lagtbl.getKeys()
assert len(lags) == 0
lagms = lagmtbl.getKeys()
assert len(lagms) == 0
def test_CrmNexthopGroupMember(dvs, testlog):
# down, then up to generate port up signal
dvs.servers[0].runcmd("ip link set down dev eth0") == 0
dvs.servers[1].runcmd("ip link set down dev eth0") == 0
dvs.servers[0].runcmd("ip link set up dev eth0") == 0
dvs.servers[1].runcmd("ip link set up dev eth0") == 0
dvs.runcmd("ifconfig Ethernet0 10.0.0.0/31 up")
dvs.runcmd("ifconfig Ethernet4 10.0.0.2/31 up")
dvs.runcmd("crm config polling interval 1")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY',
'1000')
# add neighbors
dvs.runcmd(
"ip neigh replace 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
dvs.runcmd(
"ip neigh replace 10.0.0.3 lladdr 11:22:33:44:55:66 dev Ethernet4")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "10.0.0.1,10.0.0.3"),
("ifname", "Ethernet0,Ethernet4")])
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_nexthop_group_member_used')
avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
# add route and update available counter
ps.set("2.2.2.0/24", fvs)
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY',
'998')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
assert new_used_counter - used_counter == 2
assert avail_counter - new_avail_counter == 2
# remove route and update available counter
ps._del("2.2.2.0/24")
dvs.runcmd("ip neigh del 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
dvs.runcmd("ip neigh del 10.0.0.3 lladdr 11:22:33:44:55:66 dev Ethernet4")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_NEXT_HOP_GROUP_MEMBER_ENTRY',
'1000')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_nexthop_group_member_available')
assert new_used_counter == used_counter
assert new_avail_counter == avail_counter
def test_CrmIpv6Route(dvs, testlog):
# Enable IPv6 routing
dvs.runcmd("sysctl net.ipv6.conf.all.disable_ipv6=0")
time.sleep(2)
dvs.runcmd("ifconfig Ethernet0 inet6 add fc00::1/126 up")
dvs.servers[0].runcmd("ifconfig eth0 inet6 add fc00::2/126")
dvs.servers[0].runcmd("ip -6 route add default via fc00::1")
dvs.runcmd("crm config polling interval 1")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY', '1000')
# get neighbor and arp entry
dvs.servers[0].runcmd("ping6 -c 4 fc00::1")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "fc00::2"),
("ifname", "Ethernet0")])
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_available')
# add route and update available counter
ps.set("2001::/64", fvs)
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY', '999')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
new_avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_available')
assert new_used_counter - used_counter == 1
assert avail_counter - new_avail_counter == 1
# remove route and update available counter
ps._del("2001::/64")
dvs.runcmd(
"ip -6 neigh del fc00::2 lladdr 11:22:33:44:55:66 dev Ethernet0")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV6_ROUTE_ENTRY', '1000')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_used')
new_avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv6_route_available')
assert new_used_counter == used_counter
assert new_avail_counter == avail_counter
def delete_entry_pst(db, table, key):
tbl = swsscommon.ProducerStateTable(db, table)
tbl._del(key)
time.sleep(1)
def create_fdb(self, vlan, mac, interface):
tbl = swsscommon.ProducerStateTable(self.pdb, "FDB_TABLE")
fvs = swsscommon.FieldValuePairs([("port", interface),
("type", "dynamic")])
tbl.set("Vlan" + vlan + ":" + mac, fvs)
time.sleep(1)
def __init__(self, database: conftest.DVSDatabase, table_name: str):
self.table = swsscommon.ProducerStateTable(database.db_connection,
table_name)
def remove_fdb(self, vlan, mac):
tbl = swsscommon.ProducerStateTable(self.pdb, "FDB_TABLE")
tbl._del("Vlan" + vlan + ":" + mac)
time.sleep(1)
def test_CrmFdbEntry(self, dvs, testlog):
# disable ipv6 on Ethernet8 neighbor as once ipv6 link-local address is
# configured, server 2 will send packet which can switch to learn another
# mac and fail the test.
dvs.servers[2].runcmd("sysctl -w net.ipv6.conf.eth0.disable_ipv6=1")
crm_update(dvs, "polling_interval", "1")
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_FDB_ENTRY', '1000')
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_fdb_entry_used')
avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_fdb_entry_available')
app_db = swsscommon.DBConnector(swsscommon.APPL_DB, dvs.redis_sock, 0)
cfg_db = swsscommon.DBConnector(swsscommon.CONFIG_DB, dvs.redis_sock,
0)
# create a FDB entry
tbl = swsscommon.ProducerStateTable(app_db, "FDB_TABLE")
fvs = swsscommon.FieldValuePairs([("port", "Ethernet8"),
("type", "dynamic")])
tbl.set("Vlan2:52-54-00-25-06-E9", fvs)
# create vlan
tbl = swsscommon.Table(cfg_db, "VLAN")
fvs = swsscommon.FieldValuePairs([("vlanid", "2")])
tbl.set("Vlan2", fvs)
# create vlan member
tbl = swsscommon.Table(cfg_db, "VLAN_MEMBER")
fvs = swsscommon.FieldValuePairs([("tagging_mode", "untagged")])
tbl.set("Vlan2|Ethernet8", fvs)
# update available counter
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_FDB_ENTRY', '999')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_fdb_entry_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_fdb_entry_available')
assert new_used_counter - used_counter == 1
assert avail_counter - new_avail_counter == 1
# update available counter
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_FDB_ENTRY', '1000')
time.sleep(2)
# get counters
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_fdb_entry_available')
assert new_avail_counter == avail_counter
marker = dvs.add_log_marker()
crm_update(dvs, "polling_interval", "2")
crm_update(dvs, "fdb_entry_high_threshold", "90")
crm_update(dvs, "fdb_entry_threshold_type", "free")
time.sleep(2)
check_syslog(dvs, marker, "FDB_ENTRY THRESHOLD_EXCEEDED for TH_FREE",
1)
# enable ipv6 on server 2
dvs.servers[2].runcmd("sysctl -w net.ipv6.conf.eth0.disable_ipv6=0")
def create_port_channel_member(self, channel, interface):
tbl = swsscommon.ProducerStateTable(self.pdb, "LAG_MEMBER_TABLE")
fvs = swsscommon.FieldValuePairs([("status", "enabled")])
tbl.set("PortChannel" + channel + ":" + interface, fvs)
time.sleep(1)
def test_CrmResetThresholdExceedCount(self, dvs, testlog):
config_db = swsscommon.DBConnector(swsscommon.CONFIG_DB,
dvs.redis_sock, 0)
intf_tbl = swsscommon.Table(config_db, "INTERFACE")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
intf_tbl.set("Ethernet0", fvs)
intf_tbl.set("Ethernet0|10.0.0.0/31", fvs)
dvs.port_admin_set("Ethernet0", "up")
crm_update(dvs, "polling_interval", "1")
# add static neighbor
dvs.runcmd(
"ip neigh replace 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "10.0.0.1"),
("ifname", "Ethernet0")])
# add route to make sure used count at least 1 and update available counter
ps.set("2.2.2.0/24", fvs)
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV4_ROUTE_ENTRY',
'1000')
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_used')
avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_available')
crm_update(dvs, "ipv4_route_low_threshold", "0")
# for changing to free type will rest crm threshold exceed count, previous type can not be same free type
crm_update(dvs, "ipv4_route_threshold_type", "percentage")
# trigger exceed high threshold of free type
marker = dvs.add_log_marker()
crm_update(dvs, "ipv4_route_high_threshold", str(avail_counter))
crm_update(dvs, "ipv4_route_threshold_type", "free")
time.sleep(20)
check_syslog(dvs, marker, "IPV4_ROUTE THRESHOLD_EXCEEDED for TH_FREE",
1)
# crm threshold exceed count will be reset when threshold type changed
marker = dvs.add_log_marker()
crm_update(dvs, "ipv4_route_high_threshold", str(used_counter))
crm_update(dvs, "ipv4_route_threshold_type", "used")
time.sleep(2)
check_syslog(dvs, marker, "IPV4_ROUTE THRESHOLD_EXCEEDED for TH_USED",
1)
# remove route
ps._del("2.2.2.0/24")
dvs.runcmd(
"ip neigh del 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
intf_tbl._del("Ethernet0|10.0.0.0/31")
time.sleep(2)
def remove_port_channel_member(self, channel, interface):
tbl = swsscommon.ProducerStateTable(self.pdb, "LAG_MEMBER_TABLE")
tbl._del("PortChannel" + channel + ":" + interface)
time.sleep(1)
def test_route_fgnhg(self, dvs, testlog):
app_db = dvs.get_app_db()
asic_db = dvs.get_asic_db()
config_db = dvs.get_config_db()
state_db = dvs.get_state_db()
fvs_nul = {"NULL": "NULL"}
NUM_NHs = 6
fg_nhg_name = "fgnhg_v4"
fg_nhg_prefix = "2.2.2.0/24"
bucket_size = 60
ip_to_if_map = {}
fvs = {"bucket_size": str(bucket_size)}
create_entry(config_db, FG_NHG, fg_nhg_name, fvs)
fvs = {"FG_NHG": fg_nhg_name}
create_entry(config_db, FG_NHG_PREFIX, fg_nhg_prefix, fvs)
for i in range(0,NUM_NHs):
if_name_key = "Ethernet" + str(i*4)
vlan_name_key = "Vlan" + str((i+1)*4)
ip_pref_key = vlan_name_key + "|10.0.0." + str(i*2) + "/31"
fvs = {"vlanid": str((i+1)*4)}
create_entry(config_db, VLAN_TB, vlan_name_key, fvs)
fvs = {"tagging_mode": "untagged"}
create_entry(config_db, VLAN_MEMB_TB, vlan_name_key + "|" + if_name_key, fvs)
create_entry(config_db, VLAN_IF_TB, vlan_name_key, fvs_nul)
create_entry(config_db, VLAN_IF_TB, ip_pref_key, fvs_nul)
dvs.runcmd("config interface startup " + if_name_key)
dvs.servers[i].runcmd("ip link set down dev eth0") == 0
dvs.servers[i].runcmd("ip link set up dev eth0") == 0
bank = 0
if i >= NUM_NHs/2:
bank = 1
fvs = {"FG_NHG": fg_nhg_name, "bank": str(bank), "link": if_name_key}
create_entry(config_db, FG_NHG_MEMBER, "10.0.0." + str(1 + i*2), fvs)
ip_to_if_map["10.0.0." + str(1 + i*2)] = vlan_name_key
# Wait for the software to receive the entries
time.sleep(1)
ps = swsscommon.ProducerStateTable(app_db.db_connection, ROUTE_TB)
fvs = swsscommon.FieldValuePairs([("nexthop","10.0.0.7,10.0.0.9,10.0.0.11"),
("ifname", "Vlan16,Vlan20,Vlan24")])
ps.set(fg_nhg_prefix, fvs)
# No ASIC_DB entry we can wait for since ARP is not resolved yet,
# We just use sleep so that the sw receives this entry
time.sleep(1)
adb = swsscommon.DBConnector(1, dvs.redis_sock, 0)
rtbl = swsscommon.Table(adb, ASIC_ROUTE_TB)
keys = rtbl.getKeys()
found_route = False
for k in keys:
rt_key = json.loads(k)
if rt_key['dest'] == fg_nhg_prefix:
found_route = True
break
# Since we didn't populate ARP yet, the route shouldn't be programmed
assert (found_route == False)
asic_nh_count = len(asic_db.get_keys(ASIC_NH_TB))
dvs.runcmd("arp -s 10.0.0.1 00:00:00:00:00:01")
dvs.runcmd("arp -s 10.0.0.3 00:00:00:00:00:02")
dvs.runcmd("arp -s 10.0.0.5 00:00:00:00:00:03")
dvs.runcmd("arp -s 10.0.0.9 00:00:00:00:00:05")
dvs.runcmd("arp -s 10.0.0.11 00:00:00:00:00:06")
asic_db.wait_for_n_keys(ASIC_NH_TB, asic_nh_count + 5)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = get_nh_oid_map(asic_db)
### Test scenarios with bank 0 having 0 members up and only bank 1 having members
# ARP is not resolved for 10.0.0.7, so fg nhg should be created without 10.0.0.7
nh_memb_exp_count = {"10.0.0.9":30,"10.0.0.11":30}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Resolve ARP for 10.0.0.7
asic_nh_count = len(asic_db.get_keys(ASIC_NH_TB))
dvs.runcmd("arp -s 10.0.0.7 00:00:00:00:00:04")
asic_db.wait_for_n_keys(ASIC_NH_TB, asic_nh_count + 1)
nh_oid_map = get_nh_oid_map(asic_db)
# Now that ARP was resolved, 10.0.0.7 should be added as a valid fg nhg member
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.7":30,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 2 next hop and bring up 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.9":60}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring up 1 next hop in bank 1
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring up some next-hops in bank 0 for the 1st time
nh_memb_exp_count = {"10.0.0.1":10,"10.0.0.3":10,"10.0.0.5":10,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 1 next-hop from bank 0, and 2 next-hops from bank 1
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.5":15,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 1 member and bring up 1 member in bank 0 at the same time
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.3":15,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down 2 members and bring up 1 member in bank 0 at the same time
nh_memb_exp_count = {"10.0.0.5":30,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring up 2 members and bring down 1 member in bank 0 at the same time
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.3":15,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bringup arbitrary # of next-hops from both banks at the same time
nh_memb_exp_count = {"10.0.0.1":10,"10.0.0.3":10,"10.0.0.5":10,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring all next-hops in bank 1 down
nh_memb_exp_count = {"10.0.0.1":20,"10.0.0.3":20,"10.0.0.5":20}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Make next-hop changes to bank 0 members, given bank 1 is still down
nh_memb_exp_count = {"10.0.0.1":30,"10.0.0.5":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bringup 1 member in bank 1 again
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.5":15,"10.0.0.11":30}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Test 2nd,3rd memb up in bank
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.5":15,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# bring all links down one by one
shutdown_link(dvs, app_db, 0)
shutdown_link(dvs, app_db, 1)
nh_memb_exp_count = {"10.0.0.5":30,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
shutdown_link(dvs, app_db, 2)
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
shutdown_link(dvs, app_db, 3)
nh_memb_exp_count = {"10.0.0.9":30,"10.0.0.11":30}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
shutdown_link(dvs, app_db, 4)
nh_memb_exp_count = {"10.0.0.11":60}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Bring down last link, there shouldn't be a crash or other bad orchagent state because of this
shutdown_link(dvs, app_db, 5)
# Nothing to check for in this case, sleep 1s for the shutdown to reach sw
time.sleep(1)
# bring all links up one by one
startup_link(dvs, app_db, 3)
startup_link(dvs, app_db, 4)
nh_memb_exp_count = {"10.0.0.7":30,"10.0.0.9":30}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
startup_link(dvs, app_db, 5)
# Perform a route table update, Update the route to contain 10.0.0.3 as well, since Ethernet4 associated with it
# is link down, it should make no difference
fvs = swsscommon.FieldValuePairs([("nexthop","10.0.0.1,10.0.0.3,10.0.0.5,10.0.0.7,10.0.0.9,10.0.0.11"),
("ifname","Vlan4,Vlan8,Vlan12,Vlan16,Vlan20,Vlan24")])
ps.set(fg_nhg_prefix, fvs)
# 10.0.0.11 associated with newly brought up link 5 should be updated in FG ecmp
# 10.0.0.3 addition per above route table change should have no effect
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
startup_link(dvs, app_db, 2)
nh_memb_exp_count = {"10.0.0.5":30,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
startup_link(dvs, app_db, 0)
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.5":15,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# remove fgnhg member
remove_entry(config_db, "FG_NHG_MEMBER", "10.0.0.1")
nh_memb_exp_count = {"10.0.0.5":30,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# add fgnhg member
fvs = {"FG_NHG": fg_nhg_name, "bank": "0"}
create_entry(config_db, FG_NHG_MEMBER, "10.0.0.1", fvs)
nh_memb_exp_count = {"10.0.0.1":15,"10.0.0.5":15,"10.0.0.7":10,"10.0.0.9":10,"10.0.0.11":10}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Remove route
asic_rt_key = get_asic_route_key(asic_db, fg_nhg_prefix)
ps._del(fg_nhg_prefix)
# validate routes and nhg member in asic db, route entry in state db are removed
asic_db.wait_for_deleted_entry(ASIC_ROUTE_TB, asic_rt_key)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, 0)
state_db.wait_for_n_keys("FG_ROUTE_TABLE", 0)
remove_entry(config_db, "FG_NHG_PREFIX", fg_nhg_prefix)
# Nothing we can wait for in terms of db entries, we sleep here
# to give the sw enough time to delete the entry
time.sleep(1)
# Add an ECMP route, since we deleted the FG_NHG_PREFIX it should see
# standard(non-Fine grained) ECMP behavior
fvs = swsscommon.FieldValuePairs([("nexthop","10.0.0.7,10.0.0.9,10.0.0.11"),
("ifname", "Vlan16,Vlan20,Vlan24")])
ps.set(fg_nhg_prefix, fvs)
validate_asic_nhg_regular_ecmp(asic_db, fg_nhg_prefix)
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, 3)
# add fgnhg prefix: The regular route should transition to fine grained ECMP
fvs = {"FG_NHG": fg_nhg_name}
create_entry(config_db, FG_NHG_PREFIX, fg_nhg_prefix, fvs)
# Validate the transistion to Fine Grained ECMP
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = {}
nh_oid_map = get_nh_oid_map(asic_db)
nh_memb_exp_count = {"10.0.0.7":20,"10.0.0.9":20,"10.0.0.11":20}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
fgnhg_clean_up(config_db, asic_db, app_db, state_db, fg_nhg_name, fg_nhg_prefix, 3)
# clean up nh entries
for i in range(0,NUM_NHs):
if_name_key = "Ethernet" + str(i*4)
vlan_name_key = "Vlan" + str((i+1)*4)
ip_pref_key = vlan_name_key + "|10.0.0." + str(i*2) + "/31"
remove_entry(config_db, VLAN_IF_TB, ip_pref_key)
remove_entry(config_db, VLAN_IF_TB, vlan_name_key)
remove_entry(config_db, VLAN_MEMB_TB, vlan_name_key + "|" + if_name_key)
remove_entry(config_db, VLAN_TB, vlan_name_key)
dvs.runcmd("config interface shutdown " + if_name_key)
dvs.servers[i].runcmd("ip link set down dev eth0") == 0
remove_entry(config_db, "FG_NHG_MEMBER", "10.0.0." + str(1 + i*2))
### Create new set of entries with a greater number of FG members and
### bigger bucket size such that the # of nhs are not divisible by
### bucket size. Different physical interface type for dynamicitiy.
fg_nhg_name = "new_fgnhg_v4"
fg_nhg_prefix = "3.3.3.0/24"
# Test with non-divisible bucket size
bucket_size = 128
NUM_NHs = 10
ip_to_if_map = {}
nh_oid_map = {}
# Initialize base config
fvs = {"bucket_size": str(bucket_size)}
create_entry(config_db, FG_NHG, fg_nhg_name, fvs)
fvs = {"FG_NHG": fg_nhg_name}
create_entry(config_db, FG_NHG_PREFIX, fg_nhg_prefix, fvs)
asic_nh_count = len(asic_db.get_keys(ASIC_NH_TB))
for i in range(0,NUM_NHs):
if_name_key = "Ethernet" + str(i*4)
ip_pref_key = "Ethernet" + str(i*4) + "|10.0.0." + str(i*2) + "/31"
create_entry(config_db, IF_TB, if_name_key, fvs_nul)
create_entry(config_db, IF_TB, ip_pref_key, fvs_nul)
dvs.runcmd("config interface startup " + if_name_key)
shutdown_link(dvs, app_db, i)
startup_link(dvs, app_db, i)
bank = 1
if i >= NUM_NHs/2:
bank = 0
fvs = {"FG_NHG": fg_nhg_name, "bank": str(bank)}
create_entry(config_db, FG_NHG_MEMBER, "10.0.0." + str(1 + i*2), fvs)
ip_to_if_map["10.0.0." + str(1 + i*2)] = if_name_key
dvs.runcmd("arp -s 10.0.0." + str(1 + i*2) + " 00:00:00:00:00:" + str(1 + i*2))
asic_db.wait_for_n_keys(ASIC_NH_TB, asic_nh_count + NUM_NHs)
# Program the route
fvs = swsscommon.FieldValuePairs([("nexthop","10.0.0.1,10.0.0.11"),
("ifname", "Ethernet0,Ethernet20")])
ps.set(fg_nhg_prefix, fvs)
# Validate that the correct ASIC DB elements were setup per Fine Grained ECMP
asic_db.wait_for_n_keys(ASIC_NHG_MEMB, bucket_size)
nhgid = validate_asic_nhg_fine_grained_ecmp(asic_db, fg_nhg_prefix, bucket_size)
nh_oid_map = get_nh_oid_map(asic_db)
# Test addition of route with 0 members in bank
nh_memb_exp_count = {"10.0.0.1":64,"10.0.0.11":64}
validate_fine_grained_asic_n_state_db_entries(asic_db, state_db, ip_to_if_map,
nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Add 2 nhs to both bank 0 and bank 1
nh_memb_exp_count = {"10.0.0.1":22,"10.0.0.3":21,"10.0.0.5":21,"10.0.0.11":22,
"10.0.0.13":21,"10.0.0.15":21}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Add 2 more nhs to both bank 0 and bank 1
nh_memb_exp_count = {"10.0.0.1":13,"10.0.0.3":13,"10.0.0.5":13,"10.0.0.7":12,
"10.0.0.9":13,"10.0.0.11":13,"10.0.0.13":13,"10.0.0.15":13,"10.0.0.17":12,"10.0.0.19":13}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Remove 1 nh from bank 0 and remove 2 nhs from bank 1
nh_memb_exp_count = {"10.0.0.3":16,"10.0.0.5":16,"10.0.0.7":16,"10.0.0.9":16,
"10.0.0.11":22,"10.0.0.13":21,"10.0.0.19":21}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Remove 1 nh from bank 0 and add 1 nh to bank 1
nh_memb_exp_count = {"10.0.0.3":22,"10.0.0.7":21,"10.0.0.9":21,"10.0.0.13":16,
"10.0.0.15":16,"10.0.0.17":16,"10.0.0.19":16}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Remove 2 nh from bank 0 and remove 3 nh from bank 1
nh_memb_exp_count = {"10.0.0.7":64,"10.0.0.11":64}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Add 2 nhs to bank 0 and remove all nh from bank 1
nh_memb_exp_count = {"10.0.0.5":42,"10.0.0.7":44,"10.0.0.9":42}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
# Add 2 nhs to bank 0 and add 1 nh to bank 1
nh_memb_exp_count = {"10.0.0.1":12,"10.0.0.3":13,"10.0.0.5":13,"10.0.0.7":13,
"10.0.0.9":13,"10.0.0.11":64}
program_route_and_validate_fine_grained_ecmp(app_db.db_connection, asic_db, state_db, ip_to_if_map,
fg_nhg_prefix, nh_memb_exp_count, nh_oid_map, nhgid, bucket_size)
fgnhg_clean_up(config_db, asic_db, app_db, state_db, fg_nhg_name, fg_nhg_prefix, 6)
# clean up nh entries
for i in range(0,NUM_NHs):
if_name_key = "Ethernet" + str(i*4)
ip_pref_key = "Ethernet" + str(i*4) + "|10.0.0." + str(i*2) + "/31"
remove_entry(config_db, IF_TB, ip_pref_key)
remove_entry(config_db, IF_TB, vlan_name_key)
dvs.runcmd("config interface shutdown " + if_name_key)
dvs.servers[i].runcmd("ip link set down dev eth0") == 0
remove_entry(config_db, "FG_NHG_MEMBER", "10.0.0." + str(1 + i*2))
def test_add_remove_trap(self, dvs):
"""Test steps:
1. Enable trap_flow_counter
2. Remove a COPP trap
3. Verify counter is automatically unbind
4. Add the COPP trap back
5. Verify counter is added back
Args:
dvs (object): virtual switch object
"""
self.setup_dbs(dvs)
meta_data = counter_group_meta['trap_flow_counter']
self.set_flex_counter_group_status(meta_data['key'],
meta_data['name_map'])
removed_trap = None
changed_group = None
trap_ids = None
copp_groups = self.app_db.db_connection.keys('COPP_TABLE:*')
for copp_group in copp_groups:
trap_ids = self.app_db.db_connection.hget(copp_group, 'trap_ids')
if trap_ids and ',' in trap_ids:
trap_ids = [x.strip() for x in trap_ids.split(',')]
removed_trap = trap_ids.pop()
changed_group = copp_group.split(':')[1]
break
if not removed_trap:
pytest.skip(
'There is not copp group with more than 1 traps, skip rest of the test'
)
oid = None
for _ in range(NUMBER_OF_RETRIES):
counters_keys = self.counters_db.db_connection.hgetall(
meta_data['name_map'])
if removed_trap in counters_keys:
oid = counters_keys[removed_trap]
break
else:
time.sleep(1)
assert oid, 'trap counter is not created for {}'.format(removed_trap)
self.wait_for_id_list(meta_data['group_name'], removed_trap, oid)
app_copp_table = swsscommon.ProducerStateTable(
self.app_db.db_connection, 'COPP_TABLE')
app_copp_table.set(changed_group, [('trap_ids', ','.join(trap_ids))])
self.wait_for_id_list_remove(meta_data['group_name'], removed_trap,
oid)
counters_keys = self.counters_db.db_connection.hgetall(
meta_data['name_map'])
assert removed_trap not in counters_keys
trap_ids.append(removed_trap)
app_copp_table.set(changed_group, [('trap_ids', ','.join(trap_ids))])
oid = None
for _ in range(NUMBER_OF_RETRIES):
counters_keys = self.counters_db.db_connection.hgetall(
meta_data['name_map'])
if removed_trap in counters_keys:
oid = counters_keys[removed_trap]
break
else:
time.sleep(1)
assert oid, 'Add trap {}, but trap counter is not created'.format(
removed_trap)
self.wait_for_id_list(meta_data['group_name'], removed_trap, oid)
self.set_flex_counter_group_status(meta_data['key'],
meta_data['name_map'], 'disable')
def create_and_test_tunnel(self, db, asicdb, tunnel_name, **kwargs):
""" Create tunnel and verify all needed enties in ASIC DB exists """
is_symmetric_tunnel = "src_ip" in kwargs
decap_dscp_to_tc_map_oid = None
decap_tc_to_pg_map_oid = None
skip_tunnel_creation = False
if "decap_dscp_to_tc_map_oid" in kwargs:
decap_dscp_to_tc_map_oid = kwargs.pop("decap_dscp_to_tc_map_oid")
if "decap_tc_to_pg_map_oid" in kwargs:
decap_tc_to_pg_map_oid = kwargs.pop("decap_tc_to_pg_map_oid")
if "skip_tunnel_creation" in kwargs:
skip_tunnel_creation = kwargs.pop("skip_tunnel_creation")
if not skip_tunnel_creation:
fvs = create_fvs(**kwargs)
# create tunnel entry in DB
ps = swsscommon.ProducerStateTable(
db, self.APP_TUNNEL_DECAP_TABLE_NAME)
ps.set(tunnel_name, fvs)
# wait till config will be applied
time.sleep(1)
# check asic db table
tunnel_table = swsscommon.Table(asicdb, self.ASIC_TUNNEL_TABLE)
tunnels = tunnel_table.getKeys()
assert len(tunnels) == 1
tunnel_sai_obj = tunnels[0]
status, fvs = tunnel_table.get(tunnel_sai_obj)
assert status == True
# 6 parameters to check in case of decap tunnel
# + 1 (SAI_TUNNEL_ATTR_ENCAP_SRC_IP) in case of symmetric tunnel
expected_len = 7 if is_symmetric_tunnel else 6
expected_ecn_mode = self.ecn_modes_map[kwargs["ecn_mode"]]
expected_dscp_mode = self.dscp_modes_map[kwargs["dscp_mode"]]
expected_ttl_mode = self.ttl_modes_map[kwargs["ttl_mode"]]
if decap_dscp_to_tc_map_oid:
expected_len += 1
if decap_tc_to_pg_map_oid:
expected_len += 1
assert len(fvs) == expected_len
for field, value in fvs:
if field == "SAI_TUNNEL_ATTR_TYPE":
assert value == "SAI_TUNNEL_TYPE_IPINIP"
elif field == "SAI_TUNNEL_ATTR_ENCAP_SRC_IP":
assert value == kwargs["src_ip"]
elif field == "SAI_TUNNEL_ATTR_DECAP_ECN_MODE":
assert value == expected_ecn_mode
elif field == "SAI_TUNNEL_ATTR_DECAP_TTL_MODE":
assert value == expected_ttl_mode
elif field == "SAI_TUNNEL_ATTR_DECAP_DSCP_MODE":
assert value == expected_dscp_mode
elif field == "SAI_TUNNEL_ATTR_OVERLAY_INTERFACE":
assert self.check_interface_exists_in_asicdb(asicdb, value)
elif field == "SAI_TUNNEL_ATTR_UNDERLAY_INTERFACE":
assert self.check_interface_exists_in_asicdb(asicdb, value)
elif field == "SAI_TUNNEL_ATTR_DECAP_QOS_DSCP_TO_TC_MAP":
assert value == decap_dscp_to_tc_map_oid
elif field == "SAI_TUNNEL_ATTR_DECAP_QOS_TC_TO_PRIORITY_GROUP_MAP":
assert value == decap_tc_to_pg_map_oid
else:
assert False, "Field %s is not tested" % field
src_ip = kwargs["src_ip"] if "src_ip" in kwargs else None
self.check_tunnel_termination_entry_exists_in_asicdb(
asicdb, tunnel_sai_obj, kwargs["dst_ip"].split(","), src_ip)
def create_entry_pst(self, db, table, key, pairs):
tbl = swsscommon.ProducerStateTable(db, table)
self.create_entry(tbl, key, pairs)
def remove_neighbor(self, interface, ip):
tbl = swsscommon.ProducerStateTable(self.pdb, "NEIGH_TABLE")
tbl._del(interface + ":" + ip)
time.sleep(1)
def remove_entry_pst(self, db, table, key):
tbl = swsscommon.ProducerStateTable(db, table)
self.remove_entry(tbl, key)
def test_CrmIpv4Route(self, dvs, testlog):
config_db = swsscommon.DBConnector(swsscommon.CONFIG_DB,
dvs.redis_sock, 0)
intf_tbl = swsscommon.Table(config_db, "INTERFACE")
fvs = swsscommon.FieldValuePairs([("NULL", "NULL")])
intf_tbl.set("Ethernet0", fvs)
intf_tbl.set("Ethernet0|10.0.0.0/31", fvs)
dvs.runcmd("ifconfig Ethernet0 up")
dvs.runcmd("crm config polling interval 1")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV4_ROUTE_ENTRY', '1000')
# add static neighbor
dvs.runcmd(
"ip neigh replace 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
db = swsscommon.DBConnector(0, dvs.redis_sock, 0)
ps = swsscommon.ProducerStateTable(db, "ROUTE_TABLE")
fvs = swsscommon.FieldValuePairs([("nexthop", "10.0.0.1"),
("ifname", "Ethernet0")])
time.sleep(2)
# get counters
used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_used')
avail_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_available')
# add route and update available counter
ps.set("2.2.2.0/24", fvs)
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV4_ROUTE_ENTRY', '999')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_ipv4_route_available')
assert new_used_counter - used_counter == 1
assert avail_counter - new_avail_counter == 1
# remove route and update available counter
ps._del("2.2.2.0/24")
dvs.runcmd(
"ip neigh del 10.0.0.1 lladdr 11:22:33:44:55:66 dev Ethernet0")
setReadOnlyAttr(dvs, 'SAI_OBJECT_TYPE_SWITCH',
'SAI_SWITCH_ATTR_AVAILABLE_IPV4_ROUTE_ENTRY', '1000')
time.sleep(2)
# get counters
new_used_counter = getCrmCounterValue(dvs, 'STATS',
'crm_stats_ipv4_route_used')
new_avail_counter = getCrmCounterValue(
dvs, 'STATS', 'crm_stats_ipv4_route_available')
assert new_used_counter == used_counter
assert new_avail_counter == avail_counter
marker = dvs.add_log_marker()
dvs.runcmd("crm config polling interval 2")
dvs.runcmd("crm config thresholds ipv4 route high 90")
dvs.runcmd("crm config thresholds ipv4 route type free")
time.sleep(2)
check_syslog(dvs, marker, "IPV4_ROUTE THRESHOLD_EXCEEDED for TH_FREE",
1)
intf_tbl._del("Ethernet0|10.0.0.0/31")
time.sleep(2)
def test_route_nhg(self, dvs, testlog):
config_db = dvs.get_config_db()
fvs = {"NULL": "NULL"}
config_db.create_entry("INTERFACE", "Ethernet0", fvs)
config_db.create_entry("INTERFACE", "Ethernet4", fvs)
config_db.create_entry("INTERFACE", "Ethernet8", fvs)
config_db.create_entry("INTERFACE", "Ethernet0|10.0.0.0/31", fvs)
config_db.create_entry("INTERFACE", "Ethernet4|10.0.0.2/31", fvs)
config_db.create_entry("INTERFACE", "Ethernet8|10.0.0.4/31", fvs)
dvs.runcmd("config interface startup Ethernet0")
dvs.runcmd("config interface startup Ethernet4")
dvs.runcmd("config interface startup Ethernet8")
dvs.runcmd("arp -s 10.0.0.1 00:00:00:00:00:01")
dvs.runcmd("arp -s 10.0.0.3 00:00:00:00:00:02")
dvs.runcmd("arp -s 10.0.0.5 00:00:00:00:00:03")
assert dvs.servers[0].runcmd("ip link set down dev eth0") == 0
assert dvs.servers[1].runcmd("ip link set down dev eth0") == 0
assert dvs.servers[2].runcmd("ip link set down dev eth0") == 0
assert dvs.servers[0].runcmd("ip link set up dev eth0") == 0
assert dvs.servers[1].runcmd("ip link set up dev eth0") == 0
assert dvs.servers[2].runcmd("ip link set up dev eth0") == 0
app_db = dvs.get_app_db()
ps = swsscommon.ProducerStateTable(app_db.db_connection, "ROUTE_TABLE")
asic_db = dvs.get_asic_db()
asic_routes_count = len(
asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY"))
fvs = swsscommon.FieldValuePairs([
("nexthop", "10.0.0.1,10.0.0.3,10.0.0.5"),
("ifname", "Ethernet0,Ethernet4,Ethernet8")
])
ps.set("2.2.2.0/24", fvs)
# check if route was propagated to ASIC DB
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY",
asic_routes_count + 1)
keys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY")
found_route = False
for k in keys:
rt_key = json.loads(k)
if rt_key['dest'] == "2.2.2.0/24":
found_route = True
break
assert found_route
# assert the route points to next hop group
fvs = asic_db.get_entry("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY", k)
nhgid = fvs["SAI_ROUTE_ENTRY_ATTR_NEXT_HOP_ID"]
fvs = asic_db.get_entry("ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP",
nhgid)
assert bool(fvs)
keys = asic_db.get_keys(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER")
assert len(keys) == 3
for k in keys:
fvs = asic_db.get_entry(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER", k)
assert fvs[
"SAI_NEXT_HOP_GROUP_MEMBER_ATTR_NEXT_HOP_GROUP_ID"] == nhgid
# bring links down one-by-one
for i in [0, 1, 2]:
dvs.servers[i].runcmd("ip link set down dev eth0") == 0
time.sleep(1)
fvs = app_db.get_entry("PORT_TABLE", "Ethernet%d" % (i * 4))
assert bool(fvs)
assert fvs["oper_status"] == "down"
keys = asic_db.get_keys(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER")
assert len(keys) == 2 - i
# bring links up one-by-one
for i in [0, 1, 2]:
dvs.servers[i].runcmd("ip link set up dev eth0") == 0
time.sleep(1)
fvs = app_db.get_entry("PORT_TABLE", "Ethernet%d" % (i * 4))
assert bool(fvs)
assert fvs["oper_status"] == "up"
keys = asic_db.get_keys(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER")
assert len(keys) == i + 1
for k in keys:
fvs = asic_db.get_entry(
"ASIC_STATE:SAI_OBJECT_TYPE_NEXT_HOP_GROUP_MEMBER", k)
assert fvs[
"SAI_NEXT_HOP_GROUP_MEMBER_ATTR_NEXT_HOP_GROUP_ID"] == nhgid
# Remove route 2.2.2.0/24
ps._del("2.2.2.0/24")
# Wait for route 2.2.2.0/24 to be removed
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_ROUTE_ENTRY",
asic_routes_count)
