229 lines
5.6 KiB
Go
229 lines
5.6 KiB
Go
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package unitel
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import (
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"context"
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"fmt"
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"net/http"
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"time"
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"github.com/getsentry/sentry-go"
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"github.com/rs/zerolog/log"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/codes"
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"go.opentelemetry.io/otel/propagation"
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semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
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"go.opentelemetry.io/otel/trace"
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)
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type contextKey struct {
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Key string
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}
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var (
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tracerContextKey = contextKey{"tracer"}
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spanContextKey = contextKey{"span"}
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)
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type Span struct {
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otel trace.Span
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sentry *sentry.Span
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}
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func (t *Telemetry) StartSpan(ctx context.Context, operation, name string, cfgs ...ConfigureSpanStartFunc) *Span {
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otelStartOpts := make([]trace.SpanStartOption, 0)
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sentryStartOpts := []sentry.SpanOption{sentry.WithTransactionName(name), sentry.WithDescription(name)}
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for _, opt := range cfgs {
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var otel []trace.SpanStartOption
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var sentry []sentry.SpanOption
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ctx, otel, sentry = opt(ctx)
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otelStartOpts = append(otelStartOpts, otel...)
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sentryStartOpts = append(sentryStartOpts, sentry...)
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}
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var otelTracer trace.Tracer
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if tracer, ok := ctx.Value(tracerContextKey).(trace.Tracer); ok && tracer != nil {
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otelTracer = tracer
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} else {
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otelTracer = t.Tracer
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}
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ctx, otelSpan := otelTracer.Start(ctx, name, otelStartOpts...)
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sentrySpan := sentry.StartSpan(ctx, operation, sentryStartOpts...)
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return &Span{
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otel: otelSpan,
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sentry: sentrySpan,
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}
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}
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func (s *Span) Context() context.Context {
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return context.WithValue(s.sentry.Context(), spanContextKey, s)
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}
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func (s *Span) AddAttributes(attributes ...attribute.KeyValue) *Span {
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for _, attr := range attributes {
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s.sentry.SetData(string(attr.Key), attr.Value.AsInterface())
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}
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s.otel.SetAttributes(attributes...)
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return s
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}
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func (s *Span) AddAttribute(key string, value any) *Span {
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var attr attribute.KeyValue
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switch v := value.(type) {
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case string:
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attr = attribute.String(key, v)
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case fmt.Stringer:
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attr = attribute.String(key, v.String())
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default:
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attr = attribute.String(key, fmt.Sprintf("%v", v))
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}
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return s.AddAttributes(attr)
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}
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type SpanStatus struct {
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Otel codes.Code
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Sentry sentry.SpanStatus
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}
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func (s *Span) SetStatus(status SpanStatus, description string) *Span {
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s.otel.SetStatus(status.Otel, description)
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s.sentry.Status = status.Sentry
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return s
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}
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type SimpleStatus uint8
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const (
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Unset SimpleStatus = 0
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Error SimpleStatus = 1
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Ok SimpleStatus = 2
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)
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func (s *Span) SetSimpleStatus(status SimpleStatus, description string) *Span {
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var otelStatus codes.Code
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var sentryStatus sentry.SpanStatus
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switch status {
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case Error:
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otelStatus = codes.Error
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sentryStatus = sentry.SpanStatusInternalError
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case Ok:
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otelStatus = codes.Ok
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sentryStatus = sentry.SpanStatusOK
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default:
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otelStatus = codes.Unset
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sentryStatus = sentry.SpanStatusUndefined
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}
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return s.SetStatus(SpanStatus{Otel: otelStatus, Sentry: sentryStatus}, description)
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}
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func (s *Span) CaptureError(err error) *Span {
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if hub := sentry.GetHubFromContext(s.Context()); hub != nil {
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hub.CaptureException(err)
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}
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s.otel.RecordError(err, trace.WithStackTrace(true))
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return s
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}
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func (s *Span) SetName(name string) *Span {
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s.otel.SetName(name)
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s.sentry.Name = name
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return s
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}
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func (s *Span) SetUser(id uint64, username, ip, permissions string) *Span {
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uid := fmt.Sprintf("%d", id)
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if hub := sentry.GetHubFromContext(s.Context()); hub != nil {
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hub.Scope().SetUser(sentry.User{
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ID: uid,
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Username: username,
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IPAddress: ip,
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})
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}
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s.otel.SetAttributes(
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semconv.EnduserID(uid),
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semconv.EnduserScope(permissions),
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attribute.String(libBase+"/username", username),
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semconv.ClientAddress(ip),
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)
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return s
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}
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func (s *Span) End() {
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s.otel.End()
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s.sentry.Finish()
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}
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type ConfigureSpanStartFunc = func(context.Context) (context.Context, []trace.SpanStartOption, []sentry.SpanOption)
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func WithOtelOptions(opts ...trace.SpanStartOption) ConfigureSpanStartFunc {
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return func(ctx context.Context) (context.Context, []trace.SpanStartOption, []sentry.SpanOption) {
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return ctx, opts, []sentry.SpanOption{}
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}
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}
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func (t *Telemetry) InjectIntoHeaders(ctx context.Context, headers http.Header) {
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t.propagator.Inject(ctx, propagation.HeaderCarrier(headers))
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if sentrySpan := sentry.SpanFromContext(ctx); sentrySpan == nil {
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// this should never happen...
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log.Trace().Msgf("failed to inject Sentry span ID, Sentry span could not be extracted from the context.Context")
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} else {
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headers.Set("sentry-trace", sentrySpan.ToSentryTrace())
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headers.Set("sentry-baggage", sentrySpan.ToBaggage())
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}
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}
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func (t *Telemetry) ContinueFromRequest(r *http.Request) ConfigureSpanStartFunc {
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return func(ctx context.Context) (context.Context, []trace.SpanStartOption, []sentry.SpanOption) {
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ctx = t.propagator.Extract(ctx, propagation.HeaderCarrier(r.Header))
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return ctx, []trace.SpanStartOption{}, []sentry.SpanOption{sentry.ContinueFromRequest(r), sentry.WithTransactionSource(sentry.SourceURL)}
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}
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}
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func WithOtelTracer(tracer trace.Tracer) ConfigureSpanStartFunc {
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return func(ctx context.Context) (context.Context, []trace.SpanStartOption, []sentry.SpanOption) {
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return context.WithValue(ctx, tracerContextKey, tracer), []trace.SpanStartOption{}, []sentry.SpanOption{}
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}
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}
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func SpanFromContext(ctx context.Context) *Span {
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if span, ok := ctx.Value(spanContextKey).(*Span); ok {
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return span
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}
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return nil
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}
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func (s *Span) Recover(ctx context.Context, err error, flushTimeout *time.Duration) {
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s.CaptureError(err)
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hub := sentry.GetHubFromContext(s.Context())
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if hub == nil {
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return
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}
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// context.WithValue(context.Background(), sentry.RequestContextKey, c),
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eventID := hub.RecoverWithContext(ctx, err)
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if flushTimeout != nil && eventID != nil {
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hub.Flush(*flushTimeout)
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}
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}
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