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add default tracer valuer

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This commit is contained in:
longXboy 2021-06-03 17:29:56 +08:00 committed by longxboy
parent 4860f42637
commit 08d4db2c0c
1 changed files with 14 additions and 0 deletions
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14
log/value.go
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@ -6,6 +6,8 @@ import (
"strconv" "strconv"
"strings" "strings"
"time" "time"
"go.opentelemetry.io/otel/trace"
) )
var ( var (
@ -46,6 +48,18 @@ func Timestamp(layout string) Valuer {
} }
} }
// TraceID returns a traceid valuer.
func TraceID() Valuer {
return func(ctx context.Context) interface{} {
span := trace.SpanContextFromContext(ctx)
var traceID string
if span.HasTraceID() {
traceID = span.TraceID().String()
}
return traceID
}
}
func bindValues(ctx context.Context, keyvals []interface{}) { func bindValues(ctx context.Context, keyvals []interface{}) {
for i := 1; i < len(keyvals); i += 2 { for i := 1; i < len(keyvals); i += 2 {
if v, ok := keyvals[i].(Valuer); ok { if v, ok := keyvals[i].(Valuer); ok {