fix: untraced only works with parent-based sampler #1412
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fbogsany
requested review from
mwear,
robertlaurin,
dazuma,
ericmustin,
arielvalentin,
ahayworth,
plantfansam and
robbkidd
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arielvalentin
approved these changes
Dec 9, 2022
I blame Copilot. |
|
We'll have to be careful with the version bumps when releasing this. We've added a method to the |
ahayworth
reviewed
Dec 9, 2022
It's already there. |
🤦 Wow - it is indeed, I must have skipped over it when I was hunting for it. 🤦 |
ahayworth
approved these changes
Dec 9, 2022
arielvalentin
approved these changes
Dec 12, 2022
robertlaurin
approved these changes
Dec 12, 2022
robbkidd
approved these changes
Dec 20, 2022
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The
untracedhelper currently only works when a parent-based sampler is installed. As an example, it will not suppress spans if theALWAYS_ONsampler is installed.This fixes
untracedto work regardless of the sampler. It does this by communicating via a privateContextkey. An additional helperuntraced?is introduced to query the state of the key from theContext. The SDKTracer#start_spanimplementation is updated to check foruntraced?before delegating either to the APITracer#start_spanmethod or toTracerProvider#internal_start_span.The OpenTelemetry JS implementation offers the same functionality implemented in the same way, and serves as inspiration for the implementation in this PR.