/
abslog.go
185 lines (153 loc) · 5.06 KB
/
abslog.go
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package abslog
import (
"context"
"fmt"
"runtime"
"strings"
)
var contextKey = "abslog"
var contextSeparator = " -> "
type AbsLog interface {
Debug(args ...interface{})
Debugf(format string, args ...interface{})
Info(args ...interface{})
Infof(format string, args ...interface{})
Warn(args ...interface{})
Warnf(format string, args ...interface{})
Error(args ...interface{})
Errorf(format string, args ...interface{})
Fatal(args ...interface{})
Fatalf(format string, args ...interface{})
Panic(args ...interface{})
Panicf(format string, args ...interface{})
}
func init() {
fmt.Println("init abslog with default logger type (zap)")
SetLoggerType(defaultLoggerType)
}
func SetCtxKey(key string) {
contextKey = key
}
func GetCtxKey() string {
return contextKey
}
func SetCtxSeparator(separator string) {
contextSeparator = separator
}
// Debug logs a message at level Debug on the standard logger.
var Debug func(args ...interface{})
var DebugCtx func(ctx context.Context, args ...interface{})
var Debugf func(format string, args ...interface{})
var DebugCtxf func(ctx context.Context, format string, args ...interface{})
// Info logs a message at level Info on the standard logger.
var Info func(args ...interface{})
var InfoCtx func(ctx context.Context, args ...interface{})
var Infof func(format string, args ...interface{})
var InfoCtxf func(ctx context.Context, format string, args ...interface{})
// Warn logs a message at level Warn on the standard logger.
var Warn func(args ...interface{})
var WarnCtx func(ctx context.Context, args ...interface{})
var Warnf func(format string, args ...interface{})
var WarnCtxf func(ctx context.Context, format string, args ...interface{})
// Error logs a message at level Error on the standard logger.
var Error func(args ...interface{})
var ErrorCtx func(ctx context.Context, args ...interface{})
var Errorf func(format string, args ...interface{})
var ErrorCtxf func(ctx context.Context, format string, args ...interface{})
// Fatal logs a message at level Fatal on the standard logger.
var Fatal func(args ...interface{})
var FatalCtx func(ctx context.Context, args ...interface{})
var Fatalf func(format string, args ...interface{})
var FatalCtxf func(ctx context.Context, format string, args ...interface{})
// Panic logs a message at level Panic on the standard logger.
var Panic func(args ...interface{})
var PanicCtx func(ctx context.Context, args ...interface{})
var Panicf func(format string, args ...interface{})
var PanicCtxf func(ctx context.Context, format string, args ...interface{})
func SetLoggerType(typ LoggerType) {
var al AbsLog
switch typ {
case ZapLogger:
al = getZapLogger(defaultLogLevel, defaultEncoderType)
case LogrusLogger:
al = getLogrusLogger(defaultLogLevel, defaultEncoderType)
default:
panic(fmt.Sprintf("Logger type '%v' is not supported", typ))
}
SetLogger(al)
}
func SetLogger(logger AbsLog) {
// Debug
Debug = logger.Debug
Debugf = logger.Debugf
DebugCtx = logCtx(logger.Debug)
DebugCtxf = logCtxf(logger.Debugf)
// Info
Info = logger.Info
Infof = logger.Infof
InfoCtx = logCtx(logger.Info)
InfoCtxf = logCtxf(logger.Infof)
// Warn
Warn = logger.Warn
Warnf = logger.Warnf
WarnCtx = logCtx(logger.Warn)
WarnCtxf = logCtxf(logger.Warnf)
// Error
Error = logger.Error
Errorf = logger.Errorf
ErrorCtx = logCtx(logger.Error)
ErrorCtxf = logCtxf(logger.Errorf)
// Fatal
Fatal = logger.Fatal
Fatalf = logger.Fatalf
FatalCtx = logCtx(logger.Fatal)
FatalCtxf = logCtxf(logger.Fatalf)
// Panic
Panic = logger.Panic
Panicf = logger.Panicf
PanicCtx = logCtx(logger.Panic)
PanicCtxf = logCtxf(logger.Panicf)
}
func getCtxValues(ctx context.Context) string {
if ctx == nil || ctx.Value(contextKey) == nil {
return ""
}
switch ctxValues := ctx.Value(contextKey).(type) {
case map[string]interface{}:
var pairs []string
for k, v := range ctxValues {
pairs = append(pairs, fmt.Sprintf("%s=%v", k, v))
}
return fmt.Sprintf("[%s]%s", strings.Join(pairs, ", "), contextSeparator)
case []string:
return fmt.Sprintf("[%s]%s", strings.Join(ctxValues, ", "), contextSeparator)
case string:
return fmt.Sprintf("[%s]%s", ctxValues, contextSeparator)
default:
return ""
}
}
func logCtx(log func(args ...interface{})) func(ctx context.Context, args ...interface{}) {
return func(ctx context.Context, args ...interface{}) {
callerInfo := getCallerInfo()
ctxValues := getCtxValues(ctx)
log(fmt.Sprintf("%s %s %s", callerInfo, ctxValues, fmt.Sprint(args...)))
}
}
func logCtxf(log func(format string, args ...interface{})) func(ctx context.Context, format string, args ...interface{}) {
return func(ctx context.Context, format string, args ...interface{}) {
callerInfo := getCallerInfo()
ctxValues := getCtxValues(ctx)
log(fmt.Sprintf("%s %s %s", callerInfo, ctxValues, fmt.Sprintf(format, args...)))
}
}
func getCallerInfo() string {
pc, fileName, lineNumber, ok := runtime.Caller(2)
if !ok {
return ""
}
funcName := runtime.FuncForPC(pc).Name()
parts := strings.Split(funcName, ".")
funcName = parts[len(parts)-1]
return fmt.Sprintf("[%s (%s:%d)]", fileName, funcName, lineNumber)
}