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Copy pathotel_tracer.go
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86 lines (68 loc) · 2.4 KB
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package telemetry
import (
"context"
"runtime"
"strings"
"github.com/gofiber/fiber/v3"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace"
)
type otelTracer struct {
projectID string
logger Logger
}
// NewOtelLogger creates a new Tracer
func NewOtelLogger(projectID string, logger Logger) Tracer {
return &otelTracer{
projectID: projectID,
logger: logger,
}
}
func (tracer *otelTracer) StartFromFiberCtxWithLogger(c fiber.Ctx, logger Logger, name ...string) (context.Context, trace.Span, Logger) {
ctx, span := tracer.StartFromFiberCtx(c, getName(name...))
return ctx, span, tracer.CtxLogger(logger, span)
}
func (tracer *otelTracer) StartFromFiberCtx(c fiber.Ctx, name ...string) (context.Context, trace.Span) {
return tracer.Start(c.Context(), getName(name...))
}
func (tracer *otelTracer) CtxLogger(logger Logger, span trace.Span) Logger {
return logger.WithSpan(span.SpanContext())
}
func (tracer *otelTracer) StartWithLogger(c context.Context, logger Logger, name ...string) (context.Context, trace.Span, Logger) {
ctx, span := tracer.Start(c, getName(name...))
return ctx, span, tracer.CtxLogger(logger, span)
}
func (tracer *otelTracer) Start(c context.Context, name ...string) (context.Context, trace.Span) {
parentSpan := trace.SpanFromContext(c)
ctx, span := parentSpan.TracerProvider().Tracer("").Start(c, getName(name...))
span.SetAttributes(attribute.Key("traceID").String(parentSpan.SpanContext().TraceID().String()))
span.SetAttributes(attribute.Key("spanID").String(span.SpanContext().SpanID().String()))
span.SetAttributes(attribute.Key("traceFlags").String(parentSpan.SpanContext().TraceFlags().String()))
return ctx, span
}
// Span returns the trace.Span from context.Context
func (tracer *otelTracer) Span(ctx context.Context) trace.Span {
return trace.SpanFromContext(ctx)
}
func (tracer *otelTracer) WrapErrorSpan(span trace.Span, err error) error {
if err == nil {
return nil
}
span.RecordError(err)
span.SetStatus(codes.Error, strings.Split(err.Error(), "\n")[0])
return err
}
func getName(name ...string) string {
if len(name) > 0 {
return name[0]
}
return functionName()
}
func functionName() string {
pc := make([]uintptr, 15)
n := runtime.Callers(4, pc)
frames := runtime.CallersFrames(pc[:n])
frame, _ := frames.Next()
return strings.ReplaceAll(frame.Function, "github.com/NdoleStudio/http-sms-manager/", "")
}