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logtrace..go
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logtrace..go
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package log
import (
"config-service/utils/consts"
"context"
"fmt"
"github.com/gin-gonic/gin"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
func LogNTrace(msg string, c context.Context, fields ...zapcore.Field) {
Log(msg, c, fields...)
AddEvent(msg, c)
}
// LogNTraceEnterExit logs the entry and exit of a function
// - usage: defer LogNTraceEnterExit("function name", c)()
// output: function name // entry
// output: function name completed // exit
func LogNTraceEnterExit(msg string, c context.Context, fields ...zapcore.Field) func() {
LogNTrace(msg, c, fields...)
return func() {
LogNTrace(msg+" completed", c, fields...)
}
}
func LogNTraceError(msg string, err error, c context.Context, fields ...zapcore.Field) {
LogError(msg, err, c, fields...)
AddEvent(msg, c)
TraceErrorSetStatus(msg, err, c)
if err != nil {
if g, ok := c.(*gin.Context); ok {
g.Error(err)
}
}
}
func Log(msg string, c context.Context, fields ...zapcore.Field) {
doLog(msg, nil, c, fields...)
}
func LogError(msg string, err error, c context.Context, fields ...zapcore.Field) {
doLog(msg, err, c, fields...)
}
func AddEvent(msg string, c context.Context) {
if span := GetTraceSpan(c); span != nil {
span.AddEvent(msg)
}
}
func TraceErrorSetStatus(msg string, err error, c context.Context) {
if span := GetTraceSpan(c); span != nil {
span.SetStatus(codes.Error, fmt.Sprintf("%s Error: %v", msg, err))
}
}
func GetLogger(c context.Context) *zap.Logger {
if z := c.Value(consts.ReqLogger); z != nil {
return z.(*zap.Logger)
}
return zap.L()
}
func GetTraceSpan(c context.Context) trace.Span {
if g, ok := c.(*gin.Context); ok {
if trace.SpanFromContext(g.Request.Context()).SpanContext().IsValid() {
return trace.SpanFromContext(g.Request.Context())
}
}
return nil
}
func doLog(msg string, err error, c context.Context, fields ...zapcore.Field) {
logger := GetLogger(c)
if err != nil {
logger.Error(msg, append(fields, zap.Error(err))...)
} else {
logger.Info(msg, fields...)
}
}