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Change the log messages in addKernelNeigh/Route from ERROR to INFO (#…
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…2437)

* Change the log messages from ERROR to INFO.
* Update the test_chassis_system_neigh test to check the mac address change of a neighbor.
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@judyjoseph
judyjoseph authored Sep 1, 2022
1 parent 9c23389 commit 83a186a
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Showing 2 changed files with 147 additions and 127 deletions.
12 changes: 6 additions & 6 deletions cfgmgr/nbrmgr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -397,7 +397,7 @@ void NbrMgr::doStateSystemNeighTask(Consumer &consumer)

if (!addKernelNeigh(nbr_odev, ip_address, mac_address))
{
SWSS_LOG_ERROR("Neigh entry add on dev %s failed for '%s'", nbr_odev.c_str(), kfvKey(t).c_str());
SWSS_LOG_INFO("Neigh entry add on dev %s failed for '%s'", nbr_odev.c_str(), kfvKey(t).c_str());
// Delete neigh to take care of deletion of exiting nbr for mac change. This makes sure that
// re-try will be successful and route addtion (below) will be attempted and be successful
delKernelNeigh(nbr_odev, ip_address);
Expand All @@ -411,7 +411,7 @@ void NbrMgr::doStateSystemNeighTask(Consumer &consumer)

if (!addKernelRoute(nbr_odev, ip_address))
{
SWSS_LOG_ERROR("Route entry add on dev %s failed for '%s'", nbr_odev.c_str(), kfvKey(t).c_str());
SWSS_LOG_INFO("Route entry add on dev %s failed for '%s'", nbr_odev.c_str(), kfvKey(t).c_str());
delKernelNeigh(nbr_odev, ip_address);
// Delete route to take care of deletion of exiting route of nbr for mac change.
delKernelRoute(ip_address);
Expand Down Expand Up @@ -522,8 +522,8 @@ bool NbrMgr::addKernelRoute(string odev, IpAddress ip_addr)

if(ret)
{
/* Just log error and return */
SWSS_LOG_ERROR("Failed to add route for %s, error: %d", ip_str.c_str(), ret);
/* This failure the caller expects is due to mac move */
SWSS_LOG_INFO("Failed to add route for %s, error: %d", ip_str.c_str(), ret);
return false;
}

Expand Down Expand Up @@ -586,8 +586,8 @@ bool NbrMgr::addKernelNeigh(string odev, IpAddress ip_addr, MacAddress mac_addr)

if(ret)
{
/* Just log error and return */
SWSS_LOG_ERROR("Failed to add Nbr for %s, error: %d", ip_str.c_str(), ret);
/* This failure the caller expects is due to mac move */
SWSS_LOG_INFO("Failed to add Nbr for %s, error: %d", ip_str.c_str(), ret);
return false;
}

Expand Down
262 changes: 141 additions & 121 deletions tests/test_virtual_chassis.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
from swsscommon import swsscommon
from dvslib.dvs_database import DVSDatabase
import ast
import time

class TestVirtualChassis(object):

Expand Down Expand Up @@ -239,156 +240,175 @@ def test_chassis_system_neigh(self, vct):
# Test neighbor on Ethernet4 since Ethernet0 is used as Inband port
test_neigh_dev = "Ethernet4"
test_neigh_ip = "10.8.104.3"
test_neigh_mac = "00:01:02:03:04:05"

dvss = vct.dvss
print("name {}".format(dvss.keys()))
for name in dvss.keys():
dvs = dvss[name]

config_db = dvs.get_config_db()
metatbl = config_db.get_entry("DEVICE_METADATA", "localhost")

cfg_switch_type = metatbl.get("switch_type")

# Neighbor record verifiation done in line card
if cfg_switch_type == "voq":
lc_switch_id = metatbl.get("switch_id")
assert lc_switch_id != "", "Got error in getting switch_id from CONFIG_DB DEVICE_METADATA"
if lc_switch_id == "0":

# Add a static neighbor
_, res = dvs.runcmd(['sh', "-c", "ip neigh show"])
_, res = dvs.runcmd(['sh', "-c", f"ip neigh add {test_neigh_ip} lladdr {test_neigh_mac} dev {test_neigh_dev}"])
assert res == "", "Error configuring static neigh"
# Grouping together the checks done during neighbor entry create into a function chassis_system_neigh_create()
# if action is "add" it creates a new neighbor entry in local asic
# if action is "change" it updates an existing neighbor entry with the mac_address
def chassis_system_neigh_create():
dvss = vct.dvss
print("name {}".format(dvss.keys()))
for name in dvss.keys():
dvs = dvss[name]

asic_db = dvs.get_asic_db()
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", 1)
neighkeys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY")
assert len(neighkeys), "No neigh entries in ASIC_DB"

# Check for presence of the neighbor in ASIC_DB
test_neigh = ""
for nkey in neighkeys:
ne = ast.literal_eval(nkey)
if ne['ip'] == test_neigh_ip:
test_neigh = nkey
break
config_db = dvs.get_config_db()
metatbl = config_db.get_entry("DEVICE_METADATA", "localhost")

cfg_switch_type = metatbl.get("switch_type")

# Neighbor record verifiation done in line card
if cfg_switch_type == "voq":
lc_switch_id = metatbl.get("switch_id")
assert lc_switch_id != "", "Got error in getting switch_id from CONFIG_DB DEVICE_METADATA"
if lc_switch_id == "0":

# Add a static neighbor
_, res = dvs.runcmd(['sh', "-c", "ip neigh show"])
_, res = dvs.runcmd(['sh', "-c", f"ip neigh {action} {test_neigh_ip} lladdr {mac_address} dev {test_neigh_dev}"])
assert res == "", "Error configuring static neigh"

asic_db = dvs.get_asic_db()
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", 1)
neighkeys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY")
assert len(neighkeys), "No neigh entries in ASIC_DB"

# Check for presence of the neighbor in ASIC_DB
test_neigh = ""
for nkey in neighkeys:
ne = ast.literal_eval(nkey)
if ne['ip'] == test_neigh_ip:
test_neigh = nkey
break

assert test_neigh != "", "Neigh not found in ASIC_DB"
assert test_neigh != "", "Neigh not found in ASIC_DB"

# Preserve test neigh asic db key for delete verification later
test_neigh_asic_db_key = test_neigh
# Preserve test neigh asic db key for delete verification later
test_neigh_asic_db_key = test_neigh

# Check for presence of encap index, retrieve and store it for sync verification
test_neigh_entry = asic_db.wait_for_entry("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", test_neigh)
test_neigh_entry_attrs = asic_db.wait_for_fields("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", test_neigh, ["SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX"])
print(test_neigh)
print(test_neigh_entry)
print(test_neigh_entry_attrs)
encap_index = test_neigh_entry_attrs["SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX"]
assert encap_index != "" and encap_index != None, "VOQ encap index is not programmed in ASIC_DB"
# Check for presence of encap index, retrieve and store it for sync verification
test_neigh_entry = asic_db.wait_for_entry("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", test_neigh)
test_neigh_entry_attrs = asic_db.wait_for_fields("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", test_neigh, ["SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX"])
print(test_neigh)
print(test_neigh_entry)
print(test_neigh_entry_attrs)
encap_index = test_neigh_entry_attrs["SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX"]
assert encap_index != "" and encap_index != None, "VOQ encap index is not programmed in ASIC_DB"

break

# Verify neighbor record syncing with encap index
for name in dvss.keys():
if name.startswith("supervisor"):
dvs = dvss[name]
chassis_app_db = DVSDatabase(swsscommon.CHASSIS_APP_DB, dvs.redis_chassis_sock)
chassis_app_db.wait_for_n_keys("SYSTEM_NEIGH", 1)
sysneighkeys = chassis_app_db.get_keys("SYSTEM_NEIGH")

print(sysneighkeys)
test_sysneigh = ""
for sysnk in sysneighkeys:
sysnk_tok = sysnk.split("|")
assert len(sysnk_tok) == 3, "Invalid system neigh key in chassis app db"
if sysnk_tok[2] == test_neigh_ip:
test_sysneigh = sysnk
break

assert test_sysneigh != "", "Neigh is not sync-ed to chassis app db"
# Verify neighbor record syncing with encap index
for name in dvss.keys():
if name.startswith("supervisor"):
dvs = dvss[name]
chassis_app_db = DVSDatabase(swsscommon.CHASSIS_APP_DB, dvs.redis_chassis_sock)
chassis_app_db.wait_for_n_keys("SYSTEM_NEIGH", 1)
sysneighkeys = chassis_app_db.get_keys("SYSTEM_NEIGH")

print(sysneighkeys)
test_sysneigh = ""
for sysnk in sysneighkeys:
sysnk_tok = sysnk.split("|")
assert len(sysnk_tok) == 3, "Invalid system neigh key in chassis app db"
if sysnk_tok[2] == test_neigh_ip:
test_sysneigh = sysnk
break

# Preserve test sys neigh chassis app db key for delete verification later
test_sysneigh_chassis_app_db_key = test_sysneigh
assert test_sysneigh != "", "Neigh is not sync-ed to chassis app db"

test_sysneigh_entry = chassis_app_db.get_entry("SYSTEM_NEIGH", test_sysneigh)
sys_neigh_encap_index = test_sysneigh_entry.get("encap_index")
assert sys_neigh_encap_index != "", "System neigh in chassis app db does not have encap index"
# Preserve test sys neigh chassis app db key for delete verification later
test_sysneigh_chassis_app_db_key = test_sysneigh

assert encap_index == sys_neigh_encap_index, "Encap index not sync-ed correctly"
test_sysneigh_entry = chassis_app_db.get_entry("SYSTEM_NEIGH", test_sysneigh)
sys_neigh_encap_index = test_sysneigh_entry.get("encap_index")
assert sys_neigh_encap_index != "", "System neigh in chassis app db does not have encap index"

break
assert encap_index == sys_neigh_encap_index, "Encap index not sync-ed correctly"

# Verify programming of remote neighbor in asic db and programming of static route and static
# neigh in the kernel for the remote neighbor. The neighbor created in linecard 1 will be a
# remote neighbor in other linecards. Verity existence of the test neighbor in linecards other
# than linecard 1
for name in dvss.keys():
dvs = dvss[name]
break

config_db = dvs.get_config_db()
metatbl = config_db.get_entry("DEVICE_METADATA", "localhost")
# Add a delay for the programming of neighbor in remote LC
time.sleep(10)

cfg_switch_type = metatbl.get("switch_type")
# Verify programming of remote neighbor in asic db and programming of static route and static
# neigh in the kernel for the remote neighbor. The neighbor created in linecard 1 will be a
# remote neighbor in other linecards. Verity existence of the test neighbor in linecards other
# than linecard 1
for name in dvss.keys():
dvs = dvss[name]

# Neighbor record verifiation done in line card
if cfg_switch_type == "voq":
lc_switch_id = metatbl.get("switch_id")
assert lc_switch_id != "", "Got error in getting switch_id from CONFIG_DB DEVICE_METADATA"
if lc_switch_id != "0":
# Linecard other than linecard 1
asic_db = dvs.get_asic_db()
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", 1)
neighkeys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY")
assert len(neighkeys), "No neigh entries in ASIC_DB"

# Check for presence of the remote neighbor in ASIC_DB
remote_neigh = ""
for nkey in neighkeys:
ne = ast.literal_eval(nkey)
if ne['ip'] == test_neigh_ip:
remote_neigh = nkey
break
config_db = dvs.get_config_db()
metatbl = config_db.get_entry("DEVICE_METADATA", "localhost")

cfg_switch_type = metatbl.get("switch_type")

# Neighbor record verifiation done in line card
if cfg_switch_type == "voq":
lc_switch_id = metatbl.get("switch_id")
assert lc_switch_id != "", "Got error in getting switch_id from CONFIG_DB DEVICE_METADATA"
if lc_switch_id != "0":
# Linecard other than linecard 1
asic_db = dvs.get_asic_db()
asic_db.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", 1)
neighkeys = asic_db.get_keys("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY")
assert len(neighkeys), "No neigh entries in ASIC_DB"

# Check for presence of the remote neighbor in ASIC_DB
remote_neigh = ""
for nkey in neighkeys:
ne = ast.literal_eval(nkey)
if ne['ip'] == test_neigh_ip:
remote_neigh = nkey
break

assert remote_neigh != "", "Remote neigh not found in ASIC_DB"
assert remote_neigh != "", "Remote neigh not found in ASIC_DB"

# Preserve remote neigh asic db neigh key for delete verification later
test_remote_neigh_asic_db_key = remote_neigh
# Preserve remote neigh asic db neigh key for delete verification later
test_remote_neigh_asic_db_key = remote_neigh

# Check for kernel entries
# Check for kernel entries

_, output = dvs.runcmd("ip neigh show")
assert f"{test_neigh_ip} dev {inband_port}" in output, "Kernel neigh not found for remote neighbor"
_, output = dvs.runcmd("ip neigh show")
assert f"{test_neigh_ip} dev {inband_port}" in output, "Kernel neigh not found for remote neighbor"

_, output = dvs.runcmd("ip route show")
assert f"{test_neigh_ip} dev {inband_port} scope link" in output, "Kernel route not found for remote neighbor"
_, output = dvs.runcmd("ip route show")
assert f"{test_neigh_ip} dev {inband_port} scope link" in output, "Kernel route not found for remote neighbor"

# Check for ASIC_DB entries.
# Check for ASIC_DB entries.

# Check for presence of encap index, retrieve and store it for sync verification
remote_neigh_entry = asic_db.get_entry("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", remote_neigh)
# Check for presence of encap index, retrieve and store it for sync verification
remote_neigh_entry = asic_db.get_entry("ASIC_STATE:SAI_OBJECT_TYPE_NEIGHBOR_ENTRY", remote_neigh)

# Validate encap index
remote_encap_index = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX")
assert remote_encap_index != "", "VOQ encap index is not programmed for remote neigh in ASIC_DB"
assert remote_encap_index == encap_index, "Encap index of remote neigh mismatch with allocated encap index"
# Validate encap index
remote_encap_index = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_ENCAP_INDEX")
assert remote_encap_index != "", "VOQ encap index is not programmed for remote neigh in ASIC_DB"
assert remote_encap_index == encap_index, "Encap index of remote neigh mismatch with allocated encap index"

# Validate MAC
mac = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_DST_MAC_ADDRESS")
assert mac != "", "MAC address is not programmed for remote neigh in ASIC_DB"
assert mac == test_neigh_mac, "Encap index of remote neigh mismatch with allocated encap index"
# Validate MAC
mac = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_DST_MAC_ADDRESS")
assert mac != "", "MAC address is not programmed for remote neigh in ASIC_DB"
assert mac == mac_address, "Encap index of remote neigh mismatch with allocated encap index"

# Check for other mandatory attributes
# For remote neighbors, is_local must be "false"
is_local = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_IS_LOCAL")
assert is_local != "", "is_local attribute is not programmed for remote neigh in ASIC_DB"
assert is_local == "false", "is_local attribute is true for remote neigh"
# Check for other mandatory attributes
# For remote neighbors, is_local must be "false"
is_local = remote_neigh_entry.get("SAI_NEIGHBOR_ENTRY_ATTR_IS_LOCAL")
assert is_local != "", "is_local attribute is not programmed for remote neigh in ASIC_DB"
assert is_local == "false", "is_local attribute is true for remote neigh"

break
break

return test_neigh_asic_db_key, test_sysneigh_chassis_app_db_key, test_remote_neigh_asic_db_key

# First step is to add a new neighbor and check local/chassis_db/remote entry creation
mac_address = "00:01:02:03:04:77"
action = "add"
chassis_system_neigh_create()

# Second step to update the mac address and check local/chassis_db/remote entry creation
mac_address = "00:01:02:03:04:05"
action = "change"
test_neigh_asic_db_key, test_sysneigh_chassis_app_db_key, test_remote_neigh_asic_db_key = chassis_system_neigh_create()

# Verify system neighbor delete and clearing
dvss = vct.dvss
for name in dvss.keys():
dvs = dvss[name]

Expand Down

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