chore(deps): update dependency trivy to v0.70.0-ubuntu22.04u3

[renovate]

This PR contains the following updates:

Package	Update	Change
trivy	patch	0.70.0-ubuntu22.04u2 → 0.70.0-ubuntu22.04u3

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[aks-node-assistant]

🕵️ AgentBaker Linux Gate Detective — PR gate failure analysis

• Failed run: build 167700824 (pipeline def 119535, refs/pull/8693/merge)
• Failed job: Stage e2e → Run AgentBaker E2E (exit 1)
• Failed tests (1 of 370+ passed): Test_Ubuntu2204_ContainerdHasCurrentVersion/default

RCA (3-level)

1. Surface: Test asserts localdns_* counter == "0" but got "1" at e2e/validate_localdns_exporter_metrics.go:71 (Not equal: expected "0" actual "1", message: localdns exporter metrics validation failed). VM provisioned fine — CSE, node-exporter, KSCR, ethtool, waagent, kernel checks all passed; only this small-N counter assertion tripped.
2. Corroboration (≥2 sources):
   • test-log.json: assertion fires at validation.go:82 after [311.854s]; the localdns exporter dump shows non-zero localdns_*_forward_info{...status="ok"} series — i.e. the exporter is up and serving, the assertion is just racing the counter.
   • Pipeline Run AgentBaker E2E issue list: only Script failed with exit code: 1 + slow-pod-ready warnings — no PR-source compile/build error.
   • Wiki signature localdns-exporter-metric-mismatch already documents the identical file + assertion message (validate_localdns_exporter_metrics.go:71, expected "0" actual "1") on 4 prior unrelated builds.
3. Challenge / strongest alternative: Could PR chore(deps): update dependency trivy to v0.70.0-ubuntu22.04u3 #8693 be responsible? No — PR chore(deps): update dependency trivy to v0.70.0-ubuntu22.04u3 #8693 is chore(deps): update dependency trivy to v0.70.0-ubuntu22.04u3 (a Renovate-driven trivy version bump in parts/common/components.json). Trivy is a VHD image-scan tool and is not on the localdns / exporter / metrics codepath. The same assertion has fired on 4 unrelated PRs already. Flaky small-N counter race in the exporter validator, not PR-caused.

Classification

• Signature (reuse, existing): localdns-exporter-metric-mismatch — small-N counter race in localdns-exporter validator (test assertion / flakiness).
• Build-vs-test class: test-code / test-assertion flake (not VHD- or PR-caused).
• Flaky vs deterministic: flaky.
• Confidence: High.
• ESCALATION_THRESHOLD_HIT: No (does not match networkisolated-apiserver-fqdn-nxdomain).

Recommendation / owner

• Owner: AgentBaker E2E test-infra — add tolerance / retry to the localdns-exporter 0-vs-1 counter assertion in e2e/validate_localdns_exporter_metrics.go.
• Action for PR author: No code change required from chore(deps): update dependency trivy to v0.70.0-ubuntu22.04u3 #8693 for this failure. Safe to re-run the gate; the underlying assertion is known flaky and tracked centrally in the SIG wiki row for localdns-exporter-metric-mismatch.

Posted by Clawpilot AgentBaker Linux Gate Detective Watcher. No raw private logs are included.