b3

package

v0.0.0-...-9ac8be7 Latest Latest Go to latest Published: Nov 14, 2019 License: MIT Imports: 5 Imported by: 0

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const (
	TraceIDKey     = "B3-Trace-ID"
	SpanIDKey      = "B3-Span-ID"
	SpanSampledKey = "B3-Span-Sampled"
)

Message attribute keys

This section is empty.

This section is empty.

type Attributes map[string]string

Attributes is a temporary store for message attributes for translating between SQS and SNS message attribute values

func MessageAttributeValueToAttributes(v interface{}) Attributes

MessageAttributeValueToAttributes converts MessageAttributeValues to key value map

type Propagator struct{}

Propagator implements the Propagator interface using B3 style formatting to propagate Span contexts on SNS / SQS messages

func New() *Propagator

New constructs a new B3 based propagator

func (p *Propagator) SpanContextFromMessageAttributes(v interface{}) (trace.SpanContext, bool)

SpanContextFromMessageAttributes returns a trace.SpanContext based on a SQS message

func (p *Propagator) SpanContextToMessageAttributes(sc trace.SpanContext, t interface{}) bool

SpanContextToMessageAttributes takes a trace.SpanContext and adds attributes to a given SQS / SNS message