Add test agent session token support by PerfectSlayer · Pull Request #12050 · DataDog/dd-trace-java

PerfectSlayer · 2026-07-23T09:00:06Z

What Does This Do

This PR introduces an optional test agent session token for both trace and telemetry writers.

Motivation

The goal is to be able to reuse the existing test agent running in CI but having isolated session.
This will save running multiple test agents to avoid test pollution.

Additional Notes

This PR is part of improving smoke test capabilities.

Contributor Checklist

Format the title according to the contribution guidelines
Assign the type: and (comp: or inst:) labels in addition to any other useful labels
Avoid using close, fix, or any linking keywords when referencing an issue
Use solves instead, and assign the PR milestone to the issue
Update the CODEOWNERS file on source file addition, migration, or deletion
Update public documentation with any new configuration flags or behaviors
Once approved, use merge queue to merge the PR

Jira ticket: APMLP-1247

datadog-datadog-prod-us1 · 2026-07-23T09:04:34Z

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Bits Code status: ✅ Done

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datadog-datadog-prod-us1

More details

The new session token is consistently read from DD_TEST_AGENT_SESSION_TOKEN and attached to trace-agent and agent-telemetry requests, while API-key-authenticated intake keeps its existing authentication path. No clear diff-only behavioral regression was identified; focused execution was blocked by the unavailable Gradle download and Java 25 toolchain.

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dd-octo-sts · 2026-07-23T09:30:39Z

🟢 Java Benchmark SLOs — All performance SLOs passed

Suite	Status
Startup	🟢 pass

SLO thresholds are defined here based on automatically generated metrics. A warning is raised when results are within 5% of the threshold.

PR vs. master results

Scenario	Candidate	master	Δ (95% CI of mean)
startup:insecure-bank:iast:Agent	13.99 s	13.92 s	[-0.4%; +1.4%] (no difference)
startup:insecure-bank:tracing:Agent	12.86 s	12.98 s	[-1.5%; -0.3%] (maybe better)
startup:petclinic:appsec:Agent	16.91 s	16.67 s	[+0.5%; +2.3%] (maybe worse)
startup:petclinic:iast:Agent	16.83 s	17.00 s	[-1.8%; -0.2%] (maybe better)
startup:petclinic:profiling:Agent	16.27 s	17.00 s	[-8.4%; -0.2%] (maybe better)
startup:petclinic:sca:Agent	16.94 s	16.88 s	[-0.7%; +1.4%] (no difference)
startup:petclinic:tracing:Agent	16.16 s	16.00 s	[-0.1%; +2.1%] (no difference)

Commit: 2edebf33 · CI Pipeline · Benchmarking Platform UI

Load and DaCapo benchmarks can be triggered manually in the GitLab pipeline. Results will appear in the Benchmarking Platform UI after completion.

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chatgpt-codex-connector · 2026-07-23T09:32:28Z


 test_smoke:
-  extends: .test_job
+  extends: .test_job_with_test_agent


Use the session token when checking agent failures

After moving smoke jobs onto the test-agent template, validation still runs .gitlab/check_test_agent_results.sh, whose /test/trace_check/summary and /test/trace_check/failures calls do not pass DD_TEST_AGENT_SESSION_TOKEN. In the shared-agent scenario this feature is meant to support, those endpoints report all sessions when no token is supplied, so an unrelated session's trace-check failure can still fail this job despite the writer tagging its trace requests.

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sarahchen6

LGTM!

PerfectSlayer · 2026-07-29T15:06:17Z

/merge

gh-worker-devflow-routing-ef8351 · 2026-07-29T15:06:22Z

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2026-07-29 15:06:22 UTC ℹ️ Start processing command /merge

2026-07-29 15:06:26 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in master is approximately 1h (p90).

2026-07-29 15:34:25 UTC ❌ MergeQueue: The build pipeline contains failing jobs for this merge request

Build pipeline has failing jobs for a348549:

build

⚠️ Do NOT retry failed jobs directly (why?).

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Investigate the failures and when ready, re-add your pull request to the queue!
If your PR checks are green, try to rebase/merge. It might be because the CI run is a bit old.
Any question, go check the FAQ.

Details

Since those jobs are not marked as being allowed to fail, the pipeline will most likely fail.
Therefore, and to allow other builds to be processed, this merge request has been rejected and the pipeline got canceled.

PerfectSlayer · 2026-07-29T17:33:12Z

/merge

gh-worker-devflow-routing-ef8351 · 2026-07-29T17:33:18Z

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2026-07-29 17:33:17 UTC ℹ️ Start processing command /merge

2026-07-29 17:33:22 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in master is approximately 1h (p90).

2026-07-29 17:44:37 UTC ❌ MergeQueue: The build pipeline contains failing jobs for this merge request

Build pipeline has failing jobs for 6e7eb1a:

build

⚠️ Do NOT retry failed jobs directly (why?).

What to do next?

Investigate the failures and when ready, re-add your pull request to the queue!
If your PR checks are green, try to rebase/merge. It might be because the CI run is a bit old.
Any question, go check the FAQ.

Details

Since those jobs are not marked as being allowed to fail, the pipeline will most likely fail.
Therefore, and to allow other builds to be processed, this merge request has been rejected and the pipeline got canceled.

PerfectSlayer · 2026-07-30T04:24:12Z

/merge

gh-worker-devflow-routing-ef8351 · 2026-07-30T04:24:16Z

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2026-07-30 04:24:16 UTC ℹ️ Start processing command /merge

2026-07-30 04:24:22 UTC ℹ️ MergeQueue: waiting for PR to be ready

This pull request is not mergeable according to GitHub. Common reasons include pending required checks, missing approvals, or merge conflicts — but it could also be blocked by other repository rules or settings.
It will be added to the queue as soon as checks pass and/or get approvals. View in MergeQueue UI.
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2026-07-30 05:05:07 UTC ℹ️ MergeQueue: merge request added to the queue

The expected merge time in master is approximately 1h (p90).

2026-07-30 05:55:23 UTC ℹ️ MergeQueue: This merge request was merged

PerfectSlayer requested review from a team as code owners July 23, 2026 09:00

PerfectSlayer requested review from dougqh and randomanderson and removed request for a team July 23, 2026 09:00

PerfectSlayer changed the title ~~Bbujon/smoke tests test agent~~ Add test agent session token support Jul 23, 2026

PerfectSlayer mentioned this pull request Jul 23, 2026

Improving smoke test capabilities #12051

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PerfectSlayer force-pushed the bbujon/smoke-tests-test-agent branch from a9bceec to 6d68087 Compare July 23, 2026 09:07

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PerfectSlayer added type: feature Enhancements and improvements comp: testing Testing labels Jul 23, 2026

datadog-datadog-prod-us1 Bot reviewed Jul 23, 2026

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chatgpt-codex-connector Bot reviewed Jul 23, 2026

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PerfectSlayer force-pushed the bbujon/smoke-tests-test-agent branch from 6d68087 to 775ec98 Compare July 23, 2026 11:02

sarahchen6 approved these changes Jul 29, 2026

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dougqh approved these changes Jul 29, 2026

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PerfectSlayer added 2 commits July 30, 2026 06:15

feat(ci): Add test agent sidecar to smoke tests

29eb526

feat(core): Add support for test session token header

2edebf3

PerfectSlayer force-pushed the bbujon/smoke-tests-test-agent branch from 775ec98 to 2edebf3 Compare July 30, 2026 04:16

gh-worker-devflow-routing-ef8351 Bot mentioned this pull request Jul 30, 2026

Avoid null collection on decoded spans #12087

Merged

gh-worker-dd-mergequeue-cf854d Bot merged commit c00b484 into master Jul 30, 2026
586 checks passed

gh-worker-dd-mergequeue-cf854d Bot deleted the bbujon/smoke-tests-test-agent branch July 30, 2026 05:55

github-actions Bot added this to the 1.65.0 milestone Jul 30, 2026

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What Does This Do

Motivation

Additional Notes

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🟢 Java Benchmark SLOs — All performance SLOs passed

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