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[db_migrator] make LOG_LEVEL_DB migration more robust #2651

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merged 1 commit into from
Feb 7, 2023
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[db_migrator] make LOG_LEVEL_DB migration more robust #2651

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20 changes: 12 additions & 8 deletions scripts/db_migrator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -822,14 +822,18 @@ def version_3_0_5(self):
keys = self.loglevelDB.keys(self.loglevelDB.LOGLEVEL_DB, "*")
if keys is not None:
for key in keys:
if key != "JINJA2_CACHE":
fvs = self.loglevelDB.get_all(self.loglevelDB.LOGLEVEL_DB, key)
component = key.split(":")[1]
loglevel = fvs[loglevel_field]
logoutput = fvs[logoutput_field]
self.configDB.set(self.configDB.CONFIG_DB, '{}|{}'.format(table_name, component), loglevel_field, loglevel)
self.configDB.set(self.configDB.CONFIG_DB, '{}|{}'.format(table_name, component), logoutput_field, logoutput)
self.loglevelDB.delete(self.loglevelDB.LOGLEVEL_DB, key)
try:
if key != "JINJA2_CACHE":
fvs = self.loglevelDB.get_all(self.loglevelDB.LOGLEVEL_DB, key)
component = key.split(":")[1]
loglevel = fvs[loglevel_field]
logoutput = fvs[logoutput_field]
self.configDB.set(self.configDB.CONFIG_DB, '{}|{}'.format(table_name, component), loglevel_field, loglevel)
self.configDB.set(self.configDB.CONFIG_DB, '{}|{}'.format(table_name, component), logoutput_field, logoutput)
except Exception as err:
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Exception

Could you use more specific exception type?
If you really want to catch all exception, log the stack info.

log.log_warning('Error occured during LOGLEVEL_DB migration for {}. Ignoring key {}'.format(err, key))
finally:
self.loglevelDB.delete(self.loglevelDB.LOGLEVEL_DB, key)
self.set_version('version_3_0_6')
return 'version_3_0_6'

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7 changes: 5 additions & 2 deletions tests/db_migrator_input/loglevel_db/logger_tables_input.json
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Original file line number Diff line number Diff line change
Expand Up @@ -7,5 +7,8 @@
"LOGLEVEL": "SAI_LOG_LEVEL_NOTICE",
"LOGOUTPUT": "SYSLOG"
},
"JINJA2_CACHE": {}
}
"JINJA2_CACHE": {},
"INVALID:INVALID": {
"invalid": "invalid"
}
}