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Fix convert_and_restore_config_db_to_ipv6_only reload config failure #13277

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9 changes: 8 additions & 1 deletion tests/common/fixtures/duthost_utils.py
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import time
import json

from ansible.errors import AnsibleConnectionFailure
from paramiko.ssh_exception import AuthenticationException

from tests.common import config_reload
Expand Down Expand Up @@ -752,7 +753,13 @@ def convert_and_restore_config_db_to_ipv6_only(duthosts):
for duthost in duthosts.nodes:
if config_db_modified[duthost.hostname]:
logger.info(f"config changed. Doing config reload for {duthost.hostname}")
config_reload(duthost, wait=120)
try:
config_reload(duthost, wait=120)
except AnsibleConnectionFailure as e:
# IPV4 mgmt interface been deleted by config reload
# In latest SONiC, config reload command will exit after mgmt interface restart
# Then 'duthost' will lost IPV4 connection and throw exception
logger.warning(f'Exception after config reload: {e}')
duthosts.reset()

for duthost in duthosts.nodes:
Expand Down
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