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test_fdb.py
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import os
import sys
import time
import json
import pytest
from swsscommon import swsscommon
from distutils.version import StrictVersion
def create_entry(tbl, key, pairs):
fvs = swsscommon.FieldValuePairs(pairs)
tbl.set(key, fvs)
# FIXME: better to wait until DB create them
time.sleep(1)
def create_entry_tbl(db, table, key, pairs):
tbl = swsscommon.Table(db, table)
create_entry(tbl, key, pairs)
def create_entry_pst(db, table, key, pairs):
tbl = swsscommon.ProducerStateTable(db, table)
create_entry(tbl, key, pairs)
def how_many_entries_exist(db, table):
tbl = swsscommon.Table(db, table)
return len(tbl.getKeys())
class TestFdb(object):
def test_FdbWarmRestartNotifications(self, dvs, testlog):
dvs.setup_db()
dvs.clear_fdb()
dvs.crm_poll_set("1")
dvs.setReadOnlyAttr('SAI_OBJECT_TYPE_SWITCH', 'SAI_SWITCH_ATTR_AVAILABLE_FDB_ENTRY', '1000')
time.sleep(2)
counter_before = dvs.getCrmCounterValue('STATS', 'crm_stats_fdb_entry_used')
# create vlan; create vlan member
dvs.create_vlan("6")
dvs.create_vlan_member("6", "Ethernet64")
dvs.create_vlan_member("6", "Ethernet68")
# Put Ethernet72 and Ethernet76 into vlan 7 in untagged mode, they will have pvid of 7
# and into vlan8 in tagged mode
dvs.create_vlan("7")
dvs.create_vlan_member("7", "Ethernet72")
dvs.create_vlan_member("7", "Ethernet76")
dvs.create_vlan("8")
dvs.create_vlan_member_tagged("8", "Ethernet72")
dvs.create_vlan_member_tagged("8", "Ethernet76")
# Get mapping between interface name and its bridge port_id
time.sleep(2)
iface_2_bridge_port_id = dvs.get_map_iface_bridge_port_id(dvs.adb)
# check FDB learning mode
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet64"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet68"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet72"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet76"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
# check fdb aging attr
ok, extra = dvs.all_table_entry_has_no(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_SWITCH',
".*",
["SAI_SWITCH_ATTR_FDB_AGING_TIME"])
# bring up vlan and member
dvs.set_interface_status("Vlan6", "up")
dvs.set_interface_status("Vlan7", "up")
dvs.set_interface_status("Vlan8", "up")
dvs.add_ip_address("Vlan6", "6.6.6.1/24")
dvs.add_ip_address("Vlan7", "7.7.7.1/24")
dvs.add_ip_address("Vlan8", "8.8.8.1/24")
dvs.set_interface_status("Ethernet64", "up")
dvs.set_interface_status("Ethernet68", "up")
dvs.set_interface_status("Ethernet72", "up")
dvs.set_interface_status("Ethernet76", "up")
dvs.servers[16].runcmd("ifconfig eth0 6.6.6.6/24 up")
dvs.servers[16].runcmd("ip route add default via 6.6.6.1")
dvs.servers[17].runcmd("ifconfig eth0 6.6.6.7/24 up")
dvs.servers[17].runcmd("ip route add default via 6.6.6.1")
dvs.servers[18].runcmd("vconfig add eth0 8")
dvs.servers[18].runcmd("ifconfig eth0.8 8.8.8.6/24 up")
dvs.servers[18].runcmd("ip route add default via 8.8.8.1")
dvs.servers[19].runcmd("vconfig add eth0 8")
dvs.servers[19].runcmd("ifconfig eth0.8 8.8.8.7/24 up")
dvs.servers[19].runcmd("ip route add default via 8.8.8.1")
dvs.servers[18].runcmd("ifconfig eth0 7.7.7.6/24 up")
dvs.servers[18].runcmd("ip route add default via 7.7.7.1")
dvs.servers[19].runcmd("ifconfig eth0 7.7.7.7/24 up")
dvs.servers[19].runcmd("ip route add default via 7.7.7.1")
# get neighbor and arp entry
time.sleep(2)
rc = dvs.servers[16].runcmd("ping -c 1 6.6.6.7")
assert rc == 0
rc = dvs.servers[17].runcmd("ping -c 1 6.6.6.6")
assert rc == 0
# get neighbor and arp entry
time.sleep(2)
rc = dvs.servers[18].runcmd("ping -c 1 8.8.8.7")
assert rc == 0
rc = dvs.servers[19].runcmd("ping -c 1 8.8.8.6")
assert rc == 0
time.sleep(2)
rc = dvs.servers[18].runcmd("ping -c 1 -I 7.7.7.6 7.7.7.7")
assert rc == 0
rc = dvs.servers[19].runcmd("ping -c 1 -I 7.7.7.7 7.7.7.6")
assert rc == 0
# check that the FDB entries were inserted into ASIC DB
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet64"]),
]
)
assert ok, str(extra)
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet68"]),
]
)
assert ok, str(extra)
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet72"]),
]
)
assert ok, str(extra)
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet76"]),
]
)
assert ok, str(extra)
time.sleep(2)
counter_inserted = dvs.getCrmCounterValue('STATS', 'crm_stats_fdb_entry_used')
# vlan 6: Ethernet64, Ethernet68;
# vlan 7: Ethernet72, Ethernet76;
# vlan 8 (tagged): Ethernet72, Ethernet76;
# 6 FDB entries wil be created in total
assert counter_inserted - counter_before == 6
# check that the FDB entries were inserted into State DB for Ethernet64, Ethernet68 with Vlan6
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan6:.*",
[("port", "Ethernet64"),
("type", "dynamic"),
]
)
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan6:*",
[("port", "Ethernet68"),
("type", "dynamic"),
]
)
assert ok, str(extra)
# check that the FDB entries were inserted into State DB,
# Vlan7(untagged) in the key for Ethernet72, Ethernet76
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan7:.*",
[("port", "Ethernet72"),
("type", "dynamic"),
]
)
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan7:*",
[("port", "Ethernet76"),
("type", "dynamic"),
]
)
assert ok, str(extra)
# check that the FDB entries were inserted into State DB,
# Vlan8 (tagged) in the key for Ethernet72, Ethernet76
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan8:.*",
[("port", "Ethernet72"),
("type", "dynamic"),
]
)
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.sdb, "FDB_TABLE",
"Vlan8:*",
[("port", "Ethernet76"),
("type", "dynamic"),
]
)
assert ok, str(extra)
# enable warm restart
dvs.warm_restart_swss("true")
# freeze orchagent for warm restart
(exitcode, result) = dvs.runcmd("/usr/bin/orchagent_restart_check", include_stderr=False)
assert result == "RESTARTCHECK succeeded\n"
time.sleep(2)
try:
# restart orchagent
dvs.stop_swss()
# check FDB learning mode
ok, extra = dvs.all_table_entry_has(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
".*",
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_DISABLE")])
assert ok, str(extra)
# check FDB aging time
ok, extra = dvs.all_table_entry_has(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_SWITCH',
".*",
[("SAI_SWITCH_ATTR_FDB_AGING_TIME", "0")])
assert ok, str(extra)
dvs.start_swss()
time.sleep(2)
# Get mapping between interface name and its bridge port_id
# Note: they are changed
iface_2_bridge_port_id = dvs.get_map_iface_bridge_port_id(dvs.adb)
# check that the FDB entries were inserted into ASIC DB
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet64"]),
]
)
assert ok, str(extra)
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet68"]),
]
)
assert ok, str(extra)
# check that the FDB entries were inserted into ASIC DB
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet72"]),
]
)
assert ok, str(extra)
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet76"]),
]
)
assert ok, str(extra)
# check FDB learning mode
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet64"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet68"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet72"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
ok, extra = dvs.is_table_entry_exists(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT',
iface_2_bridge_port_id["Ethernet76"],
[("SAI_BRIDGE_PORT_ATTR_FDB_LEARNING_MODE", "SAI_BRIDGE_PORT_FDB_LEARNING_MODE_HW")])
assert ok, str(extra)
time.sleep(2)
counter_restarted = dvs.getCrmCounterValue('STATS', 'crm_stats_fdb_entry_used')
assert counter_inserted == counter_restarted
# check fdb aging attr
ok, extra = dvs.all_table_entry_has_no(dvs.adb, 'ASIC_STATE:SAI_OBJECT_TYPE_SWITCH',
".*",
["SAI_SWITCH_ATTR_FDB_AGING_TIME"])
finally:
# disable warm restart
dvs.warm_restart_swss("false")
# slow down crm polling
dvs.crm_poll_set("10000")
def test_FdbAddedAfterMemberCreated(self, dvs, testlog):
dvs.setup_db()
dvs.clear_fdb()
time.sleep(2)
# create a FDB entry in Application DB
create_entry_pst(
dvs.pdb,
"FDB_TABLE", "Vlan2:52-54-00-25-06-E9",
[
("port", "Ethernet0"),
("type", "dynamic"),
]
)
vlan_before = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_VLAN")
bp_before = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT")
vm_before = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_VLAN_MEMBER")
# create vlan
dvs.create_vlan("2")
time.sleep(1)
# Get bvid from vlanid
ok, bvid = dvs.get_vlan_oid(dvs.adb, "2")
assert ok, bvid
# check that the FDB entry wasn't inserted into ASIC DB
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[("mac", "52:54:00:25:06:E9"), ("bvid", bvid)], [])
assert ok == False, "The fdb entry leaked to ASIC"
# create vlan member
dvs.create_vlan_member("2", "Ethernet0")
time.sleep(1)
# check that the vlan information was propagated
vlan_after = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_VLAN")
bp_after = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_BRIDGE_PORT")
vm_after = how_many_entries_exist(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_VLAN_MEMBER")
assert vlan_after - vlan_before == 1, "The Vlan2 wasn't created"
assert bp_after - bp_before == 1, "The bridge port wasn't created"
assert vm_after - vm_before == 1, "The vlan member wasn't added"
# Get mapping between interface name and its bridge port_id
iface_2_bridge_port_id = dvs.get_map_iface_bridge_port_id(dvs.adb)
# check that the FDB entry was inserted into ASIC DB
ok, extra = dvs.is_fdb_entry_exists(dvs.adb, "ASIC_STATE:SAI_OBJECT_TYPE_FDB_ENTRY",
[("mac", "52:54:00:25:06:E9"), ("bvid", bvid)],
[("SAI_FDB_ENTRY_ATTR_TYPE", "SAI_FDB_ENTRY_TYPE_DYNAMIC"),
("SAI_FDB_ENTRY_ATTR_BRIDGE_PORT_ID", iface_2_bridge_port_id["Ethernet0"])])
assert ok, str(extra)
dvs.clear_fdb()
dvs.remove_vlan_member("2", "Ethernet0")
dvs.remove_vlan("2")
# Add Dummy always-pass test at end as workaroud
# for issue when Flaky fail on final test it invokes module tear-down before retrying
def test_nonflaky_dummy():
pass