/
proxy.go
94 lines (72 loc) · 2.29 KB
/
proxy.go
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package telemetry
import (
"context"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/trace"
"go.opentelemetry.io/otel/trace/embedded"
)
type ProxyTraceProvider struct {
embedded.TracerProvider
tp *tracesdk.TracerProvider
onUpdate func(trace.Span)
}
func NewProxyTraceProvider(tp *tracesdk.TracerProvider, onUpdate func(trace.Span)) *ProxyTraceProvider {
return &ProxyTraceProvider{
tp: tp,
onUpdate: onUpdate,
}
}
func (tp *ProxyTraceProvider) Tracer(name string, options ...trace.TracerOption) trace.Tracer {
return &ProxyTracer{
tracer: tp.tp.Tracer(name, options...),
onUpdate: tp.onUpdate,
}
}
func (tp *ProxyTraceProvider) ForceFlush(ctx context.Context) error {
return tp.tp.ForceFlush(ctx)
}
func (tp *ProxyTraceProvider) Shutdown(ctx context.Context) error {
return tp.tp.Shutdown(ctx)
}
type ProxyTracer struct {
embedded.Tracer
tracer trace.Tracer
onUpdate func(trace.Span)
}
func (t ProxyTracer) Start(ctx context.Context, spanName string, opts ...trace.SpanStartOption) (context.Context, trace.Span) {
ctx, span := t.tracer.Start(ctx, spanName, opts...)
return ctx, proxySpan{sp: span, onUpdate: t.onUpdate}
}
type proxySpan struct {
embedded.Span
sp trace.Span
onUpdate func(trace.Span)
}
var _ trace.Span = proxySpan{}
func (s proxySpan) SpanContext() trace.SpanContext { return s.sp.SpanContext() }
func (s proxySpan) IsRecording() bool { return s.sp.IsRecording() }
func (s proxySpan) SetStatus(code codes.Code, message string) {
s.sp.SetStatus(code, message)
s.onUpdate(s.sp)
}
// func (s proxySpan) SetError(v bool) { s.sp.SetError(v) }
func (s proxySpan) SetAttributes(attributes ...attribute.KeyValue) {
s.sp.SetAttributes(attributes...)
s.onUpdate(s.sp)
}
func (s proxySpan) End(opts ...trace.SpanEndOption) { s.sp.End(opts...) }
func (s proxySpan) RecordError(err error, opts ...trace.EventOption) {
s.sp.RecordError(err, opts...)
s.onUpdate(s.sp)
}
func (s proxySpan) AddEvent(event string, opts ...trace.EventOption) {
s.sp.AddEvent(event, opts...)
s.onUpdate(s.sp)
}
func (s proxySpan) SetName(name string) {
s.sp.SetName(name)
s.onUpdate(s.sp)
}
func (s proxySpan) TracerProvider() trace.TracerProvider { return s.sp.TracerProvider() }