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Support Datadog tracer priority sampling

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This commit is contained in:
Joost Cassee 2019-01-16 17:08:06 +01:00 • committed by Traefiker Bot
parent e5fb1ffeb7
commit 0de1ff8634
14 changed files with 226 additions and 82 deletions
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9
vendor/gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer/spancontext.go generated vendored
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@ -16,9 +16,9 @@ var _ ddtrace.SpanContext = (*spanContext)(nil)
type spanContext struct {
// the below group should propagate only locally
trace *trace // reference to the trace that this span belongs too
span *span // reference to the span that hosts this context
sampled bool // whether this span will be sampled or not
trace *trace // reference to the trace that this span belongs too
span *span // reference to the span that hosts this context
drop bool // when true, the span will not be sent to the agent
// the below group should propagate cross-process
@ -40,7 +40,6 @@ func newSpanContext(span *span, parent *spanContext) *spanContext {
context := &spanContext{
traceID: span.TraceID,
spanID: span.SpanID,
sampled: true,
span: span,
}
if v, ok := span.Metrics[samplingPriorityKey]; ok {
@ -49,7 +48,7 @@ func newSpanContext(span *span, parent *spanContext) *spanContext {
}
if parent != nil {
context.trace = parent.trace
context.sampled = parent.sampled
context.drop = parent.drop
context.hasPriority = parent.hasSamplingPriority()
context.priority = parent.samplingPriority()
parent.ForeachBaggageItem(func(k, v string) bool {