Add traced datastore #209
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Add traced datastore #209
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Stebalien
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Aug 30, 2023
| // Put implements the ds.Datastore interface. | ||
| func (t *Datastore) Put(ctx context.Context, key ds.Key, value []byte) (err error) { | ||
| ctx, span := t.tracer.Start(ctx, "Put", otel.WithAttributes(attribute.String("key", key.String()))) | ||
| defer span.End() |
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We're not tracing errors anywhere. We probably want to call span.RecordError(err) for all errors here (it'll ignore nil errors).
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ah good point, I guess it also makes sense to set the status then:
// RecordError will record err as an exception span event for this span. An
// additional call to SetStatus is required if the Status of the Span should
// be set to Error, as this method does not change the Span status. If this
// span is not being recorded or err is nil then this method does nothing.
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Well, that API is bonkers. But ok.
Stebalien
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Sep 1, 2023
| // Put implements the ds.Datastore interface. | ||
| func (t *Datastore) Put(ctx context.Context, key ds.Key, value []byte) (err error) { | ||
| ctx, span := t.tracer.Start(ctx, "Put", otel.WithAttributes(attribute.String("key", key.String()))) | ||
| defer span.End() |
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Well, that API is bonkers. But ok.
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This pull request introduces the package
tracethat wraps a datastore and applies open telemetry tracing to all datastore interactions.