wip: auto init with property

log.go

@@ -19,66 +19,49 @@ var uzone_logger_pool = &sync.Pool{
 	},
 }
 
-func (ul *uzone_logger) Debug(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
+func (ul *uzone_logger) traceId() string {
+	if ul.ctx == nil {
+		return uuid.Must(uuid.NewV7()).String()
 	}
 
-	log.Debug(traceId+" | "+msg, data...)
+	if tid, ok := ul.ctx.Value(api.TraceKey).(string); ok && tid != "" {
+		return tid
+	}
+
+	return uuid.Must(uuid.NewV7()).String()
+}
+
+func (ul *uzone_logger) Debug(msg string, data ...any) {
+	log.Debug(ul.traceId()+" | "+msg, data...)
 
 	uzone_logger_pool.Put(ul)
 }
 
 func (ul *uzone_logger) Info(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
-	}
-
-	log.Info(traceId+" | "+msg, data...)
+	log.Info(ul.traceId()+" | "+msg, data...)
 
 	uzone_logger_pool.Put(ul)
 }
 
 func (ul *uzone_logger) Warn(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
-	}
-
-	log.Warn(traceId+" | "+msg, data...)
+	log.Warn(ul.traceId()+" | "+msg, data...)
 
 	uzone_logger_pool.Put(ul)
 }
 
 func (ul *uzone_logger) Error(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
-	}
-
-	log.Error(traceId+" | "+msg, data...)
+	log.Error(ul.traceId()+" | "+msg, data...)
 
 	uzone_logger_pool.Put(ul)
 }
 
 func (ul *uzone_logger) Panic(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
-	}
-
-	log.Panic(traceId+" | "+msg, data...)
+	log.Panic(ul.traceId()+" | "+msg, data...)
+	uzone_logger_pool.Put(ul)
 }
 
 func (ul *uzone_logger) Fatal(msg string, data ...any) {
-	traceId, ok := ul.ctx.Value(api.TraceKey).(string)
-	if !ok {
-		traceId = uuid.Must(uuid.NewV7()).String()
-	}
-
-	log.Fatal(traceId+" | "+msg, data...)
+	log.Fatal(ul.traceId()+" | "+msg, data...)
 
 	uzone_logger_pool.Put(ul)
 }

property.go

@@ -1,26 +1,29 @@
 package uzone
 
 import (
+	"fmt"
+	"github.com/spf13/cast"
 	"gopkg.in/yaml.v3"
 	"os"
+	"reflect"
 	"time"
 
 	"github.com/loveuer/uzone/pkg/tool"
 )
 
 type _property struct {
-	Debug  bool `yaml:"debug" json:"debug" arg:"env:UZONE.DEBUG"`
+	Debug  bool `yaml:"debug" json:"debug" env:"UZONE.DEBUG"`
 	Listen struct {
-		Http string `yaml:"http" json:"http" arg:"env:UZONE.LISTEN.HTTP"`
+		Http string `yaml:"http" json:"http" env:"UZONE.LISTEN.HTTP"`
 	} `yaml:"listen" json:"listen"`
 	DB struct {
-		URI string `json:"uri" arg:"env:UZONE.DB.URI"`
+		URI string `json:"uri" env:"UZONE.DB.URI"`
 	} `yaml:"db" json:"db"`
 	Cache struct {
-		URI string `json:"uri" arg:"env:UZONE.CACHE.URI"`
+		URI string `json:"uri" env:"UZONE.CACHE.URI"`
 	} `yaml:"cache" json:"cache"`
 	Elasticsearch struct {
-		URI string `yaml:"uri" json:"uri" arg:"env:UZONE.ELASTICSEARCH.URI"`
+		URI string `yaml:"uri" json:"uri" env:"UZONE.ELASTICSEARCH.URI"`
 	} `yaml:"elasticsearch" json:"elasticsearch"`
 }
 
@@ -31,26 +34,96 @@ func init() {
 
 	var (
 		err error
-		info os.FileInfo
 		bs  []byte
-	)
 
-	if info, err = os.Stat("etc/config.yaml"); err == nil && !info.IsDir() {
-		if bs, err = os.ReadFile("etc/config.yaml"); err != nil {
-			uzone_logger_pool.Get().(*uzone_logger).Warn("[%30s] read etc/config.yaml err, err = %s", "init", err.Error())
-			goto BindEnv
+		configFn = func(path string) error {
+			if bs, err = os.ReadFile(path); err != nil {
+				uzone_logger_pool.Get().(*uzone_logger).Debug("[%30s] read %s err, err = %s", "init", path, err.Error())
+				return err
 			}
 
 			if err = yaml.Unmarshal(bs, property); err != nil {
-			uzone_logger_pool.Get().(*uzone_logger).Warn("[%30s] unmarshal etc/config.yaml err, err = %s", "init", err.Error())
+				uzone_logger_pool.Get().(*uzone_logger).Debug("[%30s] unmarshal %s err, err = %s", "init", path, err.Error())
+				return err
 			}
 
+			return nil
+		}
+	)
+
+	if err = configFn("etc/config.yaml"); err == nil {
 		goto BindEnv
 	}
 
+	if err = configFn("etc/config.yml"); err == nil {
+		goto BindEnv
+	}
+
+	_ = configFn("etc/config.json")
+
 BindEnv:
+	_ = bindEnv(property)
 
 	if property.Debug {
 		tool.TablePrinter(property)
 	}
 }
+
+func bindEnv(data any) error {
+	rv := reflect.ValueOf(data)
+
+	if rv.Type().Kind() != reflect.Pointer {
+		return fmt.Errorf("can only bind ptr")
+	}
+
+	rv = rv.Elem()
+
+	return bindStruct(rv)
+}
+
+func bindStruct(rv reflect.Value) error {
+	if rv.Type().Kind() != reflect.Struct {
+		return fmt.Errorf("can only bind struct ptr")
+	}
+
+	for i := 0; i < rv.NumField(); i++ {
+		f := rv.Field(i)
+
+		if f.Type().Kind() == reflect.Pointer {
+			f = f.Elem()
+		}
+
+		if f.Type().Kind() == reflect.Struct {
+			return bindStruct(f)
+		}
+
+		if !f.CanSet() {
+			continue
+		}
+
+		tag := rv.Type().Field(i).Tag.Get("env")
+		if tag == "" || tag == "-" {
+			continue
+		}
+
+		bv := os.Getenv(tag)
+		if bv == "" {
+			continue
+		}
+
+		switch f.Type().Kind() {
+		case reflect.String:
+			f.SetString(bv)
+		case reflect.Bool:
+			f.SetBool(cast.ToBool(bv))
+		case reflect.Int64, reflect.Int, reflect.Uint64, reflect.Uint, reflect.Int32, reflect.Uint32, reflect.Int16, reflect.Uint16, reflect.Int8, reflect.Uint8:
+			f.SetInt(cast.ToInt64(bv))
+		case reflect.Float64, reflect.Float32:
+			f.SetFloat(cast.ToFloat64(bv))
+		default:
+			uzone_logger_pool.Get().(*uzone_logger).Warn("[%30s] unsupported env binding, type = %s, value = %s", "init", f.Type().Kind().String(), bv)
+		}
+	}
+
+	return nil
+}

property_test.go

@@ -0,0 +1,16 @@
+package uzone
+
+import (
+	"os"
+	"testing"
+)
+
+func Test_bindEnv(t *testing.T) {
+	os.Setenv("UZONE.LISTEN.HTTP", "0.0.0.0:99")
+	os.Setenv("UZONE.DEBUG", "true")
+	p := &_property{}
+	bindEnv(p)
+
+	t.Logf("listen.http = %s", p.Listen.Http)
+	t.Logf("debug = %v", p.Debug)
+}