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feat(tracing): Add instana header support in propagation #13915

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@SuzyWangIBMer SuzyWangIBMer commented Nov 23, 2024

Summary

Checklist

  • The Pull Request has tests
  • A changelog file has been created under changelog/unreleased/kong or skip-changelog label added on PR if changelog is unnecessary. README.md
  • There is a user-facing docs PR against https://github.com/Kong/docs.konghq.com - PUT DOCS PR HERE

Issue reference

Fix #12494

@SuzyWangIBMer SuzyWangIBMer marked this pull request as ready for review November 25, 2024 20:37
@team-eng-enablement team-eng-enablement added the author/community PRs from the open-source community (not Kong Inc) label Nov 25, 2024
@samugi samugi self-requested a review November 26, 2024 18:02
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Thank you so much for this great contribution! A couple of notes:

  • For consistency, this should be supported by the Zipkin plugin as well, which requires a small schema update similar to what was done for OpenTelemetry in this PR, and an integration test in spec/03-plugins/34-zipkin/zipkin_spec.lua.
  • The test in spec/01-unit/26-observability/02-propagation_strategies_spec.lua should be updated as well to include this new header format

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samugi commented Dec 17, 2024

In addition to my previous comment, this needs a rebase.


trace_id = from_hex(trace_id_raw) or nil
span_id = from_hex(span_id_raw) or nil

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@SuzyWangIBMer SuzyWangIBMer force-pushed the feat/instana_headers branch 2 times, most recently from b21ca04 to e26f7ca Compare January 9, 2025 19:45
@SuzyWangIBMer SuzyWangIBMer requested a review from samugi January 9, 2025 20:40
samugi

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@SuzyWangIBMer SuzyWangIBMer force-pushed the feat/instana_headers branch 8 times, most recently from 834a15d to ee041d6 Compare January 18, 2025 05:19
@SuzyWangIBMer SuzyWangIBMer force-pushed the feat/instana_headers branch 4 times, most recently from 808c492 to 592015b Compare January 31, 2025 21:29
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just a few minor comments, then it looks good to me.

return
end

if trace_id_raw then
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this if is not needed, we know type is string by now, so it cannot be nil

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updated

return
end

if span_id_raw then
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same as above

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updated


local level_id_raw = headers["x-instana-l"]

if level_id_raw then
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same

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We probably still need this one since level id can be nil.

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OTEL plugin sends incoming W3C tracestate and Instana tracing HTTP headers out as received
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