fix(asm): standalone missing tag [backport 2.17]

[github-actions[bot]]

Backport 832301c414f483356fb16409b9a548864fe7e261 from #11452 to 2.17.

This fix resolves a possibly missing ASM standalone tag on root spans. It was only detected previously on uwsgi on nightly system tests.

• ensure that all root spans are tagged.

APPSEC-55222

Checklist

• [x] PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• [x] Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions[bot]]

CODEOWNERS have been resolved as:

releasenotes/notes/fix_asm_standalone_span_tag-60b38c1d9d2efbaa.yaml    @DataDog/apm-python
ddtrace/_trace/processor/__init__.py                                    @DataDog/apm-sdk-api-python

[datadog-dd-trace-py-rkomorn[bot]]

Datadog Report

Branch report: backport-11452-to-2.17 Commit report: a302bcc Test service: dd-trace-py

:white_check_mark: 0 Failed, 592 Passed, 694 Skipped, 19m 29.58s Total duration (17m 0.7s time saved)

[pr-commenter[bot]]

Benchmarks

Benchmark execution time: 2024-11-22 15:08:35

Comparing candidate commit a302bcc1c85cf2c41c55a5838e5eac735535561e in PR branch backport-11452-to-2.17 with baseline commit b4abd06b55135a88eeaa152a30380450762a2080 in branch 2.17.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 388 metrics, 2 unstable metrics.