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logger v2 #7
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logger v2 #7
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package logger | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/sirupsen/logrus" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| type LogLevel string | ||
|
|
||
| const ( | ||
| InfoLevel LogLevel = "info" | ||
| WarnLevel LogLevel = "warn" | ||
| ErrorLevel LogLevel = "error" | ||
| TraceID string = "traceID" | ||
| ) | ||
|
|
||
| type Fields map[string]interface{} | ||
|
|
||
| type Logger struct { | ||
| moduleName string | ||
| logger *logrus.Entry | ||
| } | ||
|
|
||
| type Config struct { | ||
| ModuleToFile map[string]string | ||
| LogLevel LogLevel | ||
| LogFormat logrus.Formatter | ||
| } | ||
|
|
||
| var config Config | ||
|
|
||
| func Initialize(cfg Config) { | ||
| config = cfg | ||
| logrus.SetFormatter(config.LogFormat) | ||
| switch config.LogLevel { | ||
| case InfoLevel: | ||
| logrus.SetLevel(logrus.InfoLevel) | ||
| case WarnLevel: | ||
| logrus.SetLevel(logrus.WarnLevel) | ||
| case ErrorLevel: | ||
| logrus.SetLevel(logrus.ErrorLevel) | ||
| default: | ||
| logrus.SetLevel(logrus.InfoLevel) | ||
| } | ||
|
|
||
| for _, file := range config.ModuleToFile { | ||
| path := filepath.Dir(file) | ||
| if err := os.MkdirAll(path, os.ModePerm); err != nil { | ||
| logrus.WithError(err).Fatal("cannot create log directory") | ||
| } | ||
| file, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666) | ||
| if err != nil { | ||
| logrus.WithError(err).Fatal("cannot open log file") | ||
| } | ||
|
|
||
| logrus.SetOutput(file) | ||
| } | ||
| } | ||
|
|
||
| func New(moduleName string) *Logger { | ||
| return &Logger{ | ||
| moduleName: moduleName, | ||
| logger: logrus.WithField("module", moduleName), | ||
| } | ||
| } | ||
|
|
||
| func NewFromContext(ctx context.Context, moduleName string) *Logger { | ||
| traceID, ok := ctx.Value(TraceID).(string) | ||
| if !ok { | ||
| traceID = "unknown" | ||
| } | ||
| return &Logger{ | ||
| moduleName: moduleName, | ||
| logger: logrus.WithField("module", moduleName).WithField(TraceID, traceID), | ||
| } | ||
| } | ||
|
|
||
| func (l *Logger) Info(fields Fields, message string) { | ||
| l.logger.WithFields(logrus.Fields(fields)).Info(message) | ||
| } | ||
|
|
||
| func (l *Logger) Warn(fields Fields, message string) { | ||
| l.logger.WithFields(logrus.Fields(fields)).Warn(message) | ||
| } | ||
|
|
||
| func (l *Logger) Error(fields Fields, message string) { | ||
| l.logger.WithFields(logrus.Fields(fields)).Error(message) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package logger | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/sirupsen/logrus" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestLogger_Schedule_Json(t *testing.T) { | ||
| config := Config{ModuleToFile: map[string]string{ | ||
| "schedule": "logs/schedule.log", | ||
| "module_controller": "logs/module_controller.log", | ||
| }, | ||
| LogLevel: InfoLevel, | ||
| LogFormat: &logrus.JSONFormatter{}, | ||
| } | ||
|
|
||
| Initialize(config) | ||
|
|
||
| logger := New("schedule") | ||
| logger.Info(Fields{"hello": "word", "foo": "bar"}, "message") | ||
| logger.Error(Fields{"key": "value"}, "a mc error occurred") | ||
| } | ||
|
|
||
| func TestLogger_module_controller_text(t *testing.T) { | ||
| config := Config{ModuleToFile: map[string]string{ | ||
| "schedule": "logs/schedule.log", | ||
| "module_controller": "logs/module_controller.log", | ||
| }, | ||
| LogLevel: InfoLevel, | ||
| LogFormat: &logrus.TextFormatter{}, | ||
| } | ||
|
|
||
| Initialize(config) | ||
|
|
||
| ctx := context.WithValue(context.Background(), TraceID, "12345") | ||
| logger := NewFromContext(ctx, "module_controller") | ||
| logger.Info(Fields{"hello": "word", "foo": "bar"}, "message") | ||
| logger.Error(Fields{"key": "value"}, "a mc error occurred") | ||
| } |
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The logger output is set to the last file in the loop, which likely causes all logs to be written to the same file.
Committable suggestion