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[Port-breakout] Fixing breakout configuration resulting in cable_length None #4072

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[Port-breakout] Fixing breakout configuration resulting in cable_length None #4072

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21 changes: 21 additions & 0 deletions config/config_mgmt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -230,6 +230,27 @@ def writeConfigDB(self, jDiff):
self.sysLog(msg="Write in DB: {}".format(data))
configdb.mod_config(sonic_cfggen.FormatConverter.output_to_db(data))

# Handle deletion of column key when it's value is 'None' using set_entry
# data: config data in a dictionary form
# {
# 'TABLE_NAME': { 'row_key': {'column_key': None, ...}, ...}
# }
for table_name, table_data in sonic_cfggen.FormatConverter.output_to_db(data).items():
if table_data is None:
continue;
for row_key, row_val in table_data.items():
if row_val is None:
continue;
elif isinstance(row_val, dict):
entry = configdb.get_entry(table_name, row_key)
if entry and isinstance(entry, dict):
need_modification = 0
for col_key, col_val in row_val.items():
if col_key in entry and col_val is None:
need_modification = 1
del entry[col_key]
if need_modification == 1:
configdb.set_entry(table_name, row_key, entry)
return

def add_module(self, yang_module_str):
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