tpiperatgod opened a new issue, #16928:
URL: https://github.com/apache/pulsar/issues/16928
**Is your feature request related to a problem? Please describe.**
Currently, if the user wants to output more logging level logs other than
INFO, it should provide the log settings for different pulsar function runtimes.
**Describe the solution you'd like**
- Python functions
Add the `--logging_level` argument to `python_instance_main.py` to pass in
the logging level, and add the following handle logic to `log.py` to set the
logging level for each handlers.
```python
def init_logger(level, logfile, logging_config_file):
global Log
# get log file location for function instance
os.environ['LOG_FILE'] = logfile
logging.config.fileConfig(logging_config_file)
Log = logging.getLogger()
# the priority of `level` is higher than `logging_config_file`
if level != "":
Log.setLevel(level)
# set logging level for each handler
for h in Log.handlers:
h.setLevel(level)
```
- Go functions
Pass in the logging level via environment variable, such as setting
`LOGGING_LEVEL`, then add parsing of the `LOGGING_LEVEL` environment variable
in `log.go`, , and finally set the logging level.
```go
const (
// environment variable for custom logging level
logLevelEnvName = "LOGGING_LEVEL"
defaultLogLevel = log.InfoLevel
defaultLogTimeFormat = "2006/01/02 15:04:05.000"
)
func init() {
log.SetLevel(defaultLogLevel)
// lookup and parse the logLevel variable
if logLevelStr, exist := os.LookupEnv(logLevelEnvName); exist {
if logLevel, err := log.ParseLevel(logLevelStr); err == nil {
log.SetLevel(logLevel)
}
}
log.AddHook(&contextHook{})
log.SetFormatter(&TextFormatter{})
}
```
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features
you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.
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