机舱采集器——不在使用

1.Software/UI/gateway-ui/log/level.go

@@ -0,0 +1,50 @@
+package logger
+
+import (
+	"errors"
+	"strings"
+)
+
+const (
+	Error Level = iota + 1
+	Warn
+	Info
+	Debug
+)
+
+var ErrInvalidLogLevel = errors.New("unrecognized log level")
+
+// 指定打印日志时的级别
+type Level int
+
+var levels = map[Level]string{
+	Error: "error",
+	Warn:  "warn",
+	Info:  "info",
+	Debug: "debug",
+}
+
+func (lvl Level) String() string {
+	return levels[lvl]
+}
+
+func (lvl Level) isAllowed(logLevel Level) bool {
+	return lvl <= logLevel
+}
+
+// 根据给入的字符串返回日志级别的int值
+func (lvl *Level) UnmarshalText(text string) error {
+	switch strings.ToLower(text) {
+	case "debug":
+		*lvl = Debug
+	case "info":
+		*lvl = Info
+	case "warn":
+		*lvl = Warn
+	case "error":
+		*lvl = Error
+	default:
+		return ErrInvalidLogLevel
+	}
+	return nil
+}

1.Software/UI/gateway-ui/log/logger.go

@@ -0,0 +1,76 @@
+package logger
+
+import (
+	"fmt"
+	"io"
+	logs "log"
+	"time"
+
+	"github.com/go-kit/log"
+)
+
+// 打印日志的API
+type Logger interface {
+	Debug(string)
+
+	Info(string)
+
+	Warn(string)
+
+	Error(string)
+}
+
+var _ Logger = (*logger)(nil)
+
+type logger struct {
+	kitLogger log.Logger
+	level     Level
+}
+
+// 新建一个go-kit logger的接口封装
+func New(out io.Writer, levelText string) (Logger, error) {
+	var level Level
+	err := level.UnmarshalText(levelText)
+	if err != nil {
+		return nil, fmt.Errorf(`{"level":"error","message":"%s: %s","ts":"%s"}`, err, levelText, time.RFC3339Nano)
+	}
+	l := log.NewJSONLogger(log.NewSyncWriter(out))
+	l = log.With(l, "ts", log.DefaultTimestampUTC)
+	return &logger{l, level}, err
+}
+
+func (l logger) Debug(msg string) {
+	if Debug.isAllowed(l.level) {
+		err := l.kitLogger.Log("level", Debug.String(), "message", msg)
+		if err != nil {
+			logs.Println(err)
+		}
+	}
+}
+
+func (l logger) Info(msg string) {
+	if Info.isAllowed(l.level) {
+		err := l.kitLogger.Log("level", Info.String(), "message", msg)
+		if err != nil {
+			logs.Println(err)
+		}
+	}
+}
+
+func (l logger) Warn(msg string) {
+	if Warn.isAllowed(l.level) {
+		err := l.kitLogger.Log("level", Warn.String(), "message", msg)
+		if err != nil {
+			logs.Println(err)
+		}
+	}
+}
+
+func (l logger) Error(msg string) {
+	if Error.isAllowed(l.level) {
+		err := l.kitLogger.Log("level", Error.String(), "message", msg)
+		if err != nil {
+			logs.Println(err)
+		}
+	}
+}