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Revert "Revert "route_check: Skip route checks if bgp feature is not …
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…enabled"" (#3270)

* Revert "Revert "route_check: Skip route checks if bgp feature is not enabled"…"

This reverts commit 01ee98e.
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@anamehra
anamehra authored Apr 19, 2024
1 parent eb165f3 commit 8e5ff74
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Showing 3 changed files with 177 additions and 5 deletions.
16 changes: 16 additions & 0 deletions scripts/route_check.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -533,6 +533,18 @@ def filter_out_standalone_tunnel_routes(namespace, routes):

return updated_routes

def is_feature_bgp_enabled(namespace):
"""
Check if bgp feature is enabled or disabled.
Return True if enabled else False.
"""
cfg_db = multi_asic.connect_config_db_for_ns(namespace)
feature_table = cfg_db.get_table("FEATURE")
bgp_enabled = False
if 'bgp' in feature_table:
if feature_table['bgp']["state"] == "enabled":
bgp_enabled = True
return bgp_enabled

def check_frr_pending_routes(namespace):
"""
Expand Down Expand Up @@ -831,6 +843,10 @@ def main():
signal.signal(signal.SIGALRM, handler)
load_db_config()

if not is_feature_bgp_enabled(namespace):
print_message(syslog.LOG_INFO, "BGP feature is disabled, exiting without checking routes!!")
return 0, None

while True:
signal.alarm(TIMEOUT_SECONDS)
ret, res= check_routes(namespace)
Expand Down
9 changes: 6 additions & 3 deletions tests/route_check_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -271,11 +271,14 @@ def test_timeout(self, mock_dbs, force_hang):
# Test timeout
ex_raised = False
# Use an expected failing test case to trigger the select
set_test_case_data(TEST_DATA['2'])

ct_data = TEST_DATA['2']
set_test_case_data(ct_data)
try:
with patch('sys.argv', [route_check.__file__.split('/')[-1]]):
with patch('sys.argv', [route_check.__file__.split('/')[-1]]), \
patch('route_check.load_db_config', side_effect=lambda: init_db_conns(ct_data[NAMESPACE])):

ret, res = route_check.main()

except Exception as err:
ex_raised = True
expect = "timeout occurred"
Expand Down
157 changes: 155 additions & 2 deletions tests/route_check_test_data.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
VNET_ROUTE_TABLE = 'VNET_ROUTE_TABLE'
INTF_TABLE = 'INTF_TABLE'
RT_ENTRY_TABLE = 'ASIC_STATE'
FEATURE_TABLE = 'FEATURE'
SEPARATOR = ":"
DEVICE_METADATA = "DEVICE_METADATA"
MUX_CABLE = "MUX_CABLE"
Expand All @@ -32,7 +33,17 @@
RT_ENTRY_KEY_PREFIX = 'SAI_OBJECT_TYPE_ROUTE_ENTRY:{\"dest":\"'
RT_ENTRY_KEY_SUFFIX = '\",\"switch_id\":\"oid:0x21000000000000\",\"vr\":\"oid:0x3000000000023\"}'

DEFAULT_CONFIG_DB = {DEVICE_METADATA: {LOCALHOST: {}}}
DEFAULT_CONFIG_DB = {
DEVICE_METADATA: {
LOCALHOST: {
}
},
FEATURE_TABLE: {
"bgp": {
"state": "enabled"
}
}
}

TEST_DATA = {
"0": {
Expand Down Expand Up @@ -330,6 +341,11 @@
CONFIG_DB: {
DEVICE_METADATA: {
LOCALHOST: {"subtype": "DualToR"}
},
FEATURE_TABLE: {
"bgp": {
"state": "enabled"
}
}
},
APPL_DB: {
Expand Down Expand Up @@ -396,6 +412,11 @@
"soc_ipv6": "fc02:1000::3/128",
"state": "auto"
},
},
FEATURE_TABLE: {
"bgp": {
"state": "enabled"
}
}
},
APPL_DB: {
Expand Down Expand Up @@ -633,6 +654,11 @@
CONFIG_DB: {
DEVICE_METADATA: {
LOCALHOST: {"subtype": "DualToR"}
},
FEATURE_TABLE: {
"bgp": {
"state": "enabled"
}
}
},
APPL_DB: {
Expand Down Expand Up @@ -954,5 +980,132 @@
},
RET: -1,
},

"22": {
DESCR: "basic good one on single asic, bgp disabled",
MULTI_ASIC: False,
NAMESPACE: [''],
ARGS: "route_check -m INFO -i 1000",
PRE: {
DEFAULTNS: {
CONFIG_DB: {
DEVICE_METADATA: {
LOCALHOST: {
}
},
FEATURE_TABLE: {
"bgp": {
"state": "disabled"
}
}
},
APPL_DB: {
ROUTE_TABLE: {
"0.0.0.0/0" : { "ifname": "portchannel0" },
"10.10.196.12/31" : { "ifname": "portchannel0" },
},
INTF_TABLE: {
"PortChannel1013:10.10.196.24/31": {},
"PortChannel1023:2603:10b0:503:df4::5d/126": {},
"PortChannel1024": {}
}
},
ASIC_DB: {
RT_ENTRY_TABLE: {
RT_ENTRY_KEY_PREFIX + "10.10.196.12/31" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "10.10.196.24/32" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "2603:10b0:503:df4::5d/128" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "0.0.0.0/0" + RT_ENTRY_KEY_SUFFIX: {}
}
},
},
},
FRR_ROUTES: {
DEFAULTNS: {
"0.0.0.0/0": [
{
"prefix": "0.0.0.0/0",
"vrfName": "default",
"protocol": "bgp",
"offloaded": "true",
},
],
"10.10.196.12/31": [
{
"prefix": "10.10.196.12/31",
"vrfName": "default",
"protocol": "bgp",
},
],
"10.10.196.24/31": [
{
"protocol": "connected",
},
],
},
},
},
"23": {
DESCR: "basic good one on multi-asic, bgp disabled",
MULTI_ASIC: True,
NAMESPACE: ['asic0'],
ARGS: "route_check -m INFO -i 1000",
PRE: {
ASIC0: {
CONFIG_DB: {
DEVICE_METADATA: {
LOCALHOST: {
}
},
FEATURE_TABLE: {
"bgp": {
"state": "disabled"
}
}
},
APPL_DB: {
ROUTE_TABLE: {
"0.0.0.0/0" : { "ifname": "portchannel0" },
"10.10.196.12/31" : { "ifname": "portchannel0" },
},
INTF_TABLE: {
"PortChannel1013:10.10.196.24/31": {},
"PortChannel1023:2603:10b0:503:df4::5d/126": {},
"PortChannel1024": {}
}
},
ASIC_DB: {
RT_ENTRY_TABLE: {
RT_ENTRY_KEY_PREFIX + "10.10.196.12/31" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "10.10.196.24/32" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "2603:10b0:503:df4::5d/128" + RT_ENTRY_KEY_SUFFIX: {},
RT_ENTRY_KEY_PREFIX + "0.0.0.0/0" + RT_ENTRY_KEY_SUFFIX: {}
}
},
},
},
FRR_ROUTES: {
ASIC0: {
"0.0.0.0/0": [
{
"prefix": "0.0.0.0/0",
"vrfName": "default",
"protocol": "bgp",
"offloaded": "true",
},
],
"10.10.196.12/31": [
{
"prefix": "10.10.196.12/31",
"vrfName": "default",
"protocol": "bgp",
},
],
"10.10.196.24/31": [
{
"protocol": "connected",
},
],
},
},
},
}

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