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Merge pull request #56 from skit-ai/lamba/logfmt
add: support for logfmt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package log | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/go-kit/log" | ||
| "github.com/go-kit/log/level" | ||
| ) | ||
|
|
||
| // InitLogfmtLogger initialises the global gokit logger and overrides the | ||
| // default logger for the server. | ||
| func InitLogfmtLogger() { | ||
| logger := log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr)) | ||
| // Using legacy logger's level for level filtering | ||
| logger = level.NewFilter(logger, LevelFilter(defaultLogger.level)) | ||
| logger = log.With(logger, "ts", log.DefaultTimestampUTC) | ||
| KitLogger = log.With(logger, "caller", log.Caller(4)) | ||
| } | ||
|
|
||
| // CheckFatal prints an error and exits with error code 1 if err is non-nil. | ||
| func CheckFatal(location string, err error) { | ||
| if err == nil { | ||
| return | ||
| } | ||
|
|
||
| logger := level.Error(KitLogger) | ||
| if location != "" { | ||
| logger = log.With(logger, "msg", "error "+location) | ||
| } | ||
| // %+v gets the stack trace from errors using github.com/pkg/errors | ||
| errStr := fmt.Sprintf("%+v", err) | ||
| fmt.Fprintln(os.Stderr, errStr) | ||
|
|
||
| logger.Log("err", errStr) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| func LevelFilter(l int) level.Option { | ||
| switch l { | ||
| case DEBUG: | ||
| return level.AllowDebug() | ||
| case INFO: | ||
| return level.AllowInfo() | ||
| case WARN: | ||
| return level.AllowWarn() | ||
| case ERROR: | ||
| return level.AllowError() | ||
| default: | ||
| return level.AllowAll() | ||
| } | ||
| } |