/
spanlogger.go
148 lines (118 loc) · 4.41 KB
/
spanlogger.go
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package log
import (
"time"
"github.com/opentracing/opentracing-go"
tag "github.com/opentracing/opentracing-go/ext"
"github.com/opentracing/opentracing-go/log"
tlog "github.com/opentracing/opentracing-go/log"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// warp span logger and zap logger
// write span log and zap log simultaneously
type spanLogger struct {
logger *zap.Logger
span opentracing.Span
}
func (sl spanLogger) Info(msg string, fields ...zapcore.Field) {
sl.logToSpan("INFO", msg, fields...)
sl.logger.Info(msg, fields...)
}
func (sl spanLogger) Error(msg string, fields ...zapcore.Field) {
sl.logToSpan("ERROR", msg, fields...)
tag.Error.Set(sl.span, true) // set error tag
sl.logger.Error(msg, fields...)
}
func (sl spanLogger) Warn(msg string, fields ...zapcore.Field) {
sl.logToSpan("WARN", msg, fields...)
sl.logger.Warn(msg, fields...)
}
func (sl spanLogger) Fatal(msg string, fields ...zapcore.Field) {
sl.logToSpan("FATAL", msg, fields...)
tag.Error.Set(sl.span, true) // set error tag
sl.logger.Fatal(msg, fields...)
}
func (sl spanLogger) Debug(msg string, fields ...zapcore.Field) {
sl.logToSpan("DEBUG", msg, fields...)
sl.logger.Fatal(msg, fields...)
}
func (sl spanLogger) Panic(msg string, fields ...zapcore.Field) {
sl.logToSpan("PANIC", msg, fields...)
tag.Error.Set(sl.span, true) // set error tag
sl.logger.Fatal(msg, fields...)
}
// write span log
func (sl spanLogger) logToSpan(level, msg string, fields ...zapcore.Field) {
fa := fieldAdapter(make([]log.Field, 0, 2+len(fields)))
fa = append(fa, log.String("event", msg))
fa = append(fa, log.String("level", level))
for _, field := range fields {
field.AddTo(&fa)
}
sl.span.LogFields(fa...)
}
// convert zapcore Fields to opentracing log Fields
type fieldAdapter []tlog.Field
func (fa *fieldAdapter) AddBool(key string, value bool) {
*fa = append(*fa, tlog.Bool(key, value))
}
func (fa *fieldAdapter) AddFloat64(key string, value float64) {
*fa = append(*fa, tlog.Float64(key, value))
}
func (fa *fieldAdapter) AddFloat32(key string, value float32) {
*fa = append(*fa, tlog.Float64(key, float64(value)))
}
func (fa *fieldAdapter) AddInt(key string, value int) {
*fa = append(*fa, tlog.Int(key, value))
}
func (fa *fieldAdapter) AddInt64(key string, value int64) {
*fa = append(*fa, tlog.Int64(key, value))
}
func (fa *fieldAdapter) AddInt32(key string, value int32) {
*fa = append(*fa, tlog.Int64(key, int64(value)))
}
func (fa *fieldAdapter) AddInt16(key string, value int16) {
*fa = append(*fa, tlog.Int64(key, int64(value)))
}
func (fa *fieldAdapter) AddInt8(key string, value int8) {
*fa = append(*fa, tlog.Int64(key, int64(value)))
}
func (fa *fieldAdapter) AddUint(key string, value uint) {
*fa = append(*fa, tlog.Uint64(key, uint64(value)))
}
func (fa *fieldAdapter) AddUint64(key string, value uint64) {
*fa = append(*fa, tlog.Uint64(key, value))
}
func (fa *fieldAdapter) AddUint32(key string, value uint32) {
*fa = append(*fa, tlog.Uint64(key, uint64(value)))
}
func (fa *fieldAdapter) AddUint16(key string, value uint16) {
*fa = append(*fa, tlog.Uint64(key, uint64(value)))
}
func (fa *fieldAdapter) AddUint8(key string, value uint8) {
*fa = append(*fa, tlog.Uint64(key, uint64(value)))
}
func (fa *fieldAdapter) AddUintptr(key string, value uintptr) {}
func (fa *fieldAdapter) AddArray(key string, marshaler zapcore.ArrayMarshaler) error { return nil }
func (fa *fieldAdapter) AddComplex128(key string, value complex128) {}
func (fa *fieldAdapter) AddComplex64(key string, value complex64) {}
func (fa *fieldAdapter) AddObject(key string, value zapcore.ObjectMarshaler) error { return nil }
func (fa *fieldAdapter) AddReflected(key string, value interface{}) error { return nil }
func (fa *fieldAdapter) OpenNamespace(key string) {}
func (fa *fieldAdapter) AddDuration(key string, value time.Duration) {
*fa = append(*fa, tlog.String(key, value.String()))
}
func (fa *fieldAdapter) AddTime(key string, value time.Time) {
*fa = append(*fa, tlog.String(key, value.String()))
}
func (fa *fieldAdapter) AddBinary(key string, value []byte) {
*fa = append(*fa, tlog.Object(key, value))
}
func (fa *fieldAdapter) AddByteString(key string, value []byte) {
*fa = append(*fa, tlog.Object(key, value))
}
func (fa *fieldAdapter) AddString(key, value string) {
if key != "" && value != "" {
*fa = append(*fa, tlog.String(key, value))
}
}