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Trace context support in propagation Inject/Extract #105
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@tonyredondo is this ready to be reviewed? |
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No, this is on hold based in the conversation today of random in 64 bits |
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| for k, v := range sc.Baggage { | ||
| carrier.Set(prefixBaggage+k, v) | ||
| } |
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I cannot locate the tracestate header for the baggage in OTel format.
| return opentracing.ErrSpanContextCorrupted | ||
| } | ||
| traceParentArray := strings.Split(v, "-") | ||
| if len(traceParentArray) < 4 || traceParentArray[0] != "00" || len(traceParentArray[1]) != 32 || len(traceParentArray[2]) != 16 { |
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Suggested change
| if len(traceParentArray) < 4 || traceParentArray[0] != "00" || len(traceParentArray[1]) != 32 || len(traceParentArray[2]) != 16 { | |
| if len(traceParentArray) != 4 || traceParentArray[0] != "00" || len(traceParentArray[1]) != 32 || len(traceParentArray[2]) != 16 { |
| return opentracing.ErrSpanContextCorrupted | ||
| } | ||
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| traceID, err = uuid.Parse(traceParentArray[1]) |
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In the Inject method, it is being removed the - characters, and here it is being parse without them. Canuuid.Parse function parse UUIDs without -?
| err = carrier.ForeachKey(func(k, v string) error { | ||
| switch strings.ToLower(k) { | ||
| case fieldNameTraceID: | ||
| traceID, err = strconv.ParseUint(v, 16, 64) | ||
| traceID, err = uuid.Parse(v) |
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This change implies all agents need to send UUID, isn't?
| @@ -122,7 +175,9 @@ func (p *binaryPropagator) Inject( | |||
| } | |||
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| state := wire.TracerState{} | |||
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Just curiosity, are we using the binary protocol? Is there any standard for that?
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Trace context support in propagation Inject/Extract
Currently injects both
ot-andtraceparentheaders for compatibility withOTelreceptors.Try to extract both
ot-andtraceparentheadersTraceID changed from UInt64 to UUID
Implementation based on: https://www.w3.org/TR/trace-context-1/