diff options
Diffstat (limited to 'modules/caddyhttp/tracing')
| -rw-r--r-- | modules/caddyhttp/tracing/tracer.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/modules/caddyhttp/tracing/tracer.go b/modules/caddyhttp/tracing/tracer.go index 89c617bf4..261952aa6 100644 --- a/modules/caddyhttp/tracing/tracer.go +++ b/modules/caddyhttp/tracing/tracer.go @@ -88,11 +88,15 @@ func (ot *openTelemetryWrapper) serveHTTP(w http.ResponseWriter, r *http.Request spanCtx := trace.SpanContextFromContext(ctx) if spanCtx.IsValid() { traceID := spanCtx.TraceID().String() + spanID := spanCtx.SpanID().String() // Add a trace_id placeholder, accessible via `{http.vars.trace_id}`. caddyhttp.SetVar(ctx, "trace_id", traceID) - // Add the trace id to the log fields for the request. + // Add a span_id placeholder, accessible via `{http.vars.span_id}`. + caddyhttp.SetVar(ctx, "span_id", spanID) + // Add the traceID and spanID to the log fields for the request. if extra, ok := ctx.Value(caddyhttp.ExtraLogFieldsCtxKey).(*caddyhttp.ExtraLogFields); ok { extra.Add(zap.String("traceID", traceID)) + extra.Add(zap.String("spanID", spanID)) } } next := ctx.Value(nextCallCtxKey).(*nextCall) |