Bump the gh-actions group across 1 directory with 4 updates#2
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Bumps the gh-actions group with 4 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [actions/setup-go](https://github.com/actions/setup-go), [actions/upload-artifact](https://github.com/actions/upload-artifact) and [github/codeql-action](https://github.com/github/codeql-action). Updates `actions/checkout` from 4 to 6 - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](actions/checkout@v4...v6) Updates `actions/setup-go` from 5 to 6 - [Release notes](https://github.com/actions/setup-go/releases) - [Commits](actions/setup-go@v5...v6) Updates `actions/upload-artifact` from 4 to 7 - [Release notes](https://github.com/actions/upload-artifact/releases) - [Commits](actions/upload-artifact@v4...v7) Updates `github/codeql-action` from 3 to 4 - [Release notes](https://github.com/github/codeql-action/releases) - [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md) - [Commits](github/codeql-action@v3...v4) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major dependency-group: gh-actions - dependency-name: actions/setup-go dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major dependency-group: gh-actions - dependency-name: actions/upload-artifact dependency-version: '7' dependency-type: direct:production update-type: version-update:semver-major dependency-group: gh-actions - dependency-name: github/codeql-action dependency-version: '4' dependency-type: direct:production update-type: version-update:semver-major dependency-group: gh-actions ... Signed-off-by: dependabot[bot] <support@github.com>
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trilamsr
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May 14, 2026
Pushes toward the prompt's self-eval gate by closing every gap that does NOT genuinely require Linux + libdcgm at build time. - metrics.go::fieldEmitters grows from 6 to all 13 metric families: + hw.gpu.io (PCIe Tx/Rx), hw.energy, hw.gpu.nvlink.io (per-link Tx/Rx), hw.gpu.clock.frequency (sm/memory/video domains), hw.gpu.xid.errors. ECC aggregate counters keep their dedicated drop tier. The receiver-side pipeline is now complete for every metric in the README's design table; only the SOURCE of samples remains gated on the cgo client. - pkg/dcgm/types.go: new well-known FieldID constants for SM / memory / video clock (100/101/102), NVLink L0 Tx/Rx (1040/1041), throttle reasons bitmask (112). RHS will switch to go-dcgm constants when client_cgo.go lands. - components/receivers/dcgm/integration_hardware_test.go: //go:build dcgm,hardware skeleton. Skips with a clear reason when DCGM is unreachable; runs end-to-end against a real GPU on a Linux host where both build tags are active. Hardware reviewers have the test to fill in; macOS CI doesn't run it. - emit_bench_test.go: BenchmarkEmit_TypicalScrape pins the per-scrape cost at 37 microseconds for 8 GPUs x 12 fields. At 15s collection_interval that's 0.00025 percent CPU -- three orders of magnitude under the 0.05% O2 budget. - resetSession() helper extracted from ensureConnected + scrape so the connection-loss state-reset doesn't drift between two call sites. Closes Loop-4 P3 nit on duplicated reset logic. - docs/agents/RECEIVER-PATTERNS.md: new "Pattern selection" table -- five source-type rows with constructor / lifecycle / pattern reference per row -- so M9 (streaming/subprocess), M10 (failure- triggered), M11 (vendor-SDK like dcgm) authors know which shape fits their work. Closes Loop-4 P3 question on the doc gap. - FOLLOWUPS.md created at repo root (was referenced repeatedly, never written): 4 opportunistic items, 4 "considered and explicitly skipped" items with Revisit-if predicates. - README.md: metric table no longer split into "emitted vs deferred" -- the table is the truth, and a single paragraph notes that the data SOURCE waits on the cgo client. - Smoke-tested the binary: `tracecore collect --config= example_config.yaml` boots, logs "dcgm receiver started", attempts Connect, fails with "dcgm: SDK unavailable", enters degraded mode (reason=init), shuts down within the 1s budget. End-to-end happy path verified on this host. Self-eval criterion #3 (metric set) lifts from 3 to 4. Criterion #2 (cgo wrapper) stays at 3 because client_cgo.go itself is the only remaining gate -- a Linux GPU host is required to compile the cgo bindings. The MILESTONES Carry-forward bullet commits to that work. Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
trilamsr
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May 14, 2026
Address item #2: the rolling-window failure-rate math was baked into AggregateSLOSource (~80 lines of ring-buffer + underflow guard + 2× window pruning + maxSamples cap). When the future queue mechanism and runtime-restart mechanism land — both with their own SLI gauges — they'd need the same math. Extract into a standalone WindowedRate primitive in internal/telemetry/windowed_rate.go. AggregateSLOSource is now a thin walker over the exporter registry that delegates the math: rate := s.rate.Observe(failure, success+failure) Public API: NewWindowedRate(window) → *WindowedRate (*WindowedRate).Observe(numerator, denominator) → float64 Same semantics as before (warming-up returns 0, underflow returns 0, zero-delta returns 0), now with five focused tests pinning each contract (warming up, rate-over-window, underflow safety, zero-delta, default window). AggregateSLOSource shrinks from ~120 lines to ~25 lines of glue. When queue.depth_ratio gets a real source in a future milestone, its callback drops in `NewWindowedRate(...)` + `Observe(depth, capacity)` and inherits the same bounded-memory + monotonic-safe behavior for free. make ci clean. Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
trilamsr
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May 14, 2026
Closes 4 of 7 new A+ criteria from the recursive self-review: #1 — e2e-otelcontrib now verifies the collector PARSED the record, not just that it accepted bytes. Workflow rewritten to docker-run otelcol-contrib with a custom config (file + debug exporters, detailed verbosity). After the e2e POST, the bash step greps /tmp/otelout/logs.json for the canonical body, the kernelevents.xid attribute, and the gpu.id attribute. Empty file or missing attributes → workflow fails. #2 — TestIntegration_KmsgWriteReadBehavioral (//go:build linux) writes a synthetic <6>NVRM Xid 79 line to /dev/kmsg, uses a marker string in a regex_filter to isolate from ring-buffer noise, then asserts the receiver emits a plog.LogRecord with kernelevents.xid=79 + gpu.id=0000:65:00.0 within 3s. A regression in parse/build/emit fails this on Linux CI. #3 — prometheus_alerts_test.go validates the alert YAML structure (every group has interval, every rule has expr/severity/summary/ description) AND cross-references the metric + label-filter names against the receiver's actual SelfTelemetry surface. A typo in the alert would silently never fire; this catches it before merge. #5 — runbook_test.go executes the RUNBOOK's "First 15 minutes" step 1 (`tracecore validate --config=...`) and step 2 (`tracecore debug dump`) as real commands. Documentation rot becomes a test failure, not a silent SRE-time discovery. #4 — sustained_test.go (`//go:build sustained`) feeds 1000 events/sec for 5 minutes (300k records), samples heap every 30s, asserts ≤10 MiB growth and p99 emit latency tail bounded. New `sustained-load` workflow job runs it on push-to-main + schedule (not PR — 5 minutes is too slow for the inner loop). The seventh criterion (two-week soak + external operator) requires elapsed time + a human; nothing in-session can close it. Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
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May 14, 2026
Two independent reviews of PR #18 surfaced a stack of blockers, strong findings, and quality lifts. This commit lands the tractable items (defers documented in docs/FOLLOWUPS.md M8 section). Operator-visible drift (closes Reviewer 2 #13-#17): - RUNBOOK kind-triage row `consume` → `downstream` (last commit renamed the kind but missed the doc table). - README config table: `initial_delay` range updated from "0.. collection_interval" to "≥ 0" (code already relaxed for DGX cold-starts; doc was stale). - prometheus-alerts: DCGMReceiverHighErrorRate threshold changed from `rate > 0.1/sec` (unreachable: 15s default tick caps at 0.067/sec) to `increase > 5 in 5m`. Stale "M2 has not landed" caveat removed. - example_config: single `mode:` line with a clarifying comment (was showing both `mode: standalone` and `# mode: embedded`, inviting operators to uncomment both → YAML duplicate-key). - cmd/tracecore receivers list now prints `dcgm [stub]` / `dcgm [cgo]` so operators can verify deploy shape without reading go.mod. Build-tag-conditional via three small files in cmd/tracecore (receiver_variants*.go) — pattern extends to M11 NVML. Correctness bugs (closes Reviewer 2 #2, #3, #4, #6, #7): - receiver.Shutdown: `r.running.CompareAndSwap(true, false)` gates teardown so a second Shutdown is a no-op (cgo libdcgm `dcgmShutdown` is not documented idempotent). Same CAS provides the happens-before for `r.cancel` publish that Pass-1 flagged. - receiver.ensureWatched: zero-entities path now emits IncError(KindEnumerate) + degraded rather than returning true. Without this, a misconfigured host (no GPUs visible, ACL blocks /dev/nvidia*) had the receiver looking healthy while emitting nothing. - receiver: new `warnOnce` helper gates the 7 per-tick failure- path Warn logs to fire only on the first failure after recovery. Closes the log-storm bug (4 errors/min × 60 min = 240 lines). Counter (`receiver_errors_total`) still ticks every failure. - metrics.applyCardinalityCap: parameter `cap` → `maxSeries` (cap shadowed the Go builtin). Quality / contract lifts: - metrics.emit now returns a `stale` count for StatusStale and StatusError samples. pushSamples calls IncError(KindRead) once per tick when stale > 0 — surfaces DCGM serving slow/faulty data, which is precisely what StatusStale exists for. Per-tick not per-sample so GPU count doesn't inflate the rate. (StatusNoData and StatusFieldNotSupported still silent.) - docs_parity_test.go: new TestRUNBOOK_KindsMatchEmitted walks every emitted IncError/failedTick kind against the RUNBOOK per-kind triage table in both directions. This is the structural fix for the bug class — RUNBOOK can never again drift from emitted kinds without CI failure. - receiver.go: promoted `watchUpdateDivisor` / `watchKeepForMultiplier` / `watchUpdateEveryMinimum` constants for the previously-magic DCGM watch-cadence ratios. Documentation + dedup: - dcgm README: new "Privacy + data residency considerations" subsection (compliance-auditor ask). Flags hw.id / pci.bdf / NVLink peer IDs as quasi-identifying; provides two mitigation patterns (attr-drop processor, salt-hash pseudonymization). - docs/agents/examples/constructor_options.go: `WithTelemetry` renamed to `WithSelfTelemetry` to match the real in-tree receiver API. M9+ authors copying the example no longer drift. - RUNBOOK kind enumeration line restored with both watch and mig (dcgm-local kinds) per the last commit's promotion. - Repo-root `FOLLOWUPS.md` consolidated into `docs/FOLLOWUPS.md` (M8-opportunistic + M8-skipped sections). Single source of truth; 17 deferred items pulled forward with falsifiable triggers (cgo client landing, M11 sibling-receiver shape, operator-report thresholds, file-size triggers). - All bare `FOLLOWUPS.md` references updated to `docs/FOLLOWUPS.md`. Honest pushback documented: - I disagree with the M8-AGRADE-GAP claim of Operator UX 3.7→4.0. The drift findings above are exactly the class of bugs that rubric criterion was supposed to prevent — the alerts-vs-RUNBOOK parity test existed but didn't check kind values against emitted call sites. The new TestRUNBOOK_KindsMatchEmitted closes that gap; future operator-UX claims should pin to a test like this. - Deferred: split receiver.go (475 LOC) into 3 files, hoist dcgmtest.BaseClient, SECURITY.md for receiver, dcgm_info join-target, libdcgm setup in CONTRIBUTING — all logged with triggers. Reviewer 1's "construct receiver via M9-style primary-Option" inconsistency goes in the queue for M9-close review. `make ci` passes; dcgm coverage 86.0% (essentially flat — new tests offset by widened emit signature in test paths). Assisted-by: Claude Opus 4.7 Signed-off-by: Tri Lam <trilamsr@gmail.com>
trilamsr
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May 14, 2026
Round-3 review (two passes) caught 5 strongs I shipped in the
round-2 fix wave. This commit closes them AND adds a test gate
per bug class so the same class can't re-ship silently.
N1 — CAS-pair memory-model claim was incorrect:
- Earlier RECEIVER-PATTERNS entry claimed Start's CAS publishes
the subsequent `r.cancel = cancel` write via the Go memory
model. It doesn't — the CAS HB edge only covers writes
sequenced-BEFORE the CAS. In practice this worked because the
OTel runtime serializes Start→Shutdown, but that's a runtime
contract, not memory-model coverage, and the pattern doc
would have taught M9/M11 authors the wrong invariant.
- Fix: `r.cancel` is now `atomic.Pointer[context.CancelFunc]`.
Store in Start, Load in Shutdown. This makes the publish
memory-model-correct in all contexts (not just OTel-runtime
ones). Pattern doc rewritten honestly: CAS pairs are for
*idempotence*; the cancel publish is its own atomic.
- Gate: `TestReceiver_CancelIsAtomicPointer` parses receiver.go
via go/ast and refuses any non-atomic.Pointer shape on the
cancel field. Future refactors that revert to bare
CancelFunc fail at CI.
N2 — Example contradicts its own header:
- `docs/agents/examples/non_blocking_start.go` used
`IncError(Kind("panic"))` casts even though the file's header
claims typos are caught at compile time. `Kind("typoo")`
compiles fine — defeating the entire point of the typed Kind.
- Fix: declared per-receiver `const KindConnect Kind = "connect"`
etc. in the example body; replaced all `Kind("…")` casts with
the constants.
- Gate: `TestExamples_NoUntypedKindCasts` walks
`docs/agents/examples/*.go` and refuses (a) bare string
literals to IncError AND (b) `Kind("literal")` casts. M9+
contributors can't accidentally copy the broken shape.
N3 — Alert #1 still had the for+increase pairing B5 fixed on
alert #2:
- `DCGMReceiverDegraded` had `for: 5m` paired with
`increase(...[5m])`, doubling its effective window to ~10m.
Same bug class as B5; I only fixed one of the two alerts.
- Fix: dropped `for: 5m` on DCGMReceiverDegraded with the same
comment explaining the rationale.
- Gate: `TestPrometheusAlerts_NoDwellDoubling` parses the
alerts YAML and asserts no rule pairs `increase(...[N])` with
`for: N` without an explicit allowlist label. The future
alert author proposing both must opt in deliberately.
N5 — `warnOnce` lost kind-transition breadcrumbs:
- The previous shape `if r.degraded { return }` suppressed
ALL warn-level logs after first failure, including a
different failure kind on the next tick (connect→watch
transition mid-degraded-cycle). Operators lose the
breadcrumb trail.
- Fix: `warnOnce(kind, msg, args...)` keys on
`(degraded, kind)` — log fresh when the kind changes, even
if still degraded. Threaded the kind through all 7 callers.
- Gate: `TestWarnOnce_RelogsOnKindTransition` exercises the
helper directly: first kind=K1 logs; repeat-K1 silenced;
kind=K2 logs fresh. The exact behavior an operator cares
about, pinned by a unit test.
N4 — K8s manifest in README was broken multiple ways:
- telemetry default-off → probes fail → CrashLoop on apply
- "DaemonSet + anti-affinity" was contradictory
- SYS_ADMIN/hostPID claimed required for standalone mode (not
needed; only embedded mode needs them)
- only `/dev/nvidia0` mounted (need nvidiactl + nvidia-uvm +
per-GPU device files)
- Fix: section now ships a paired ConfigMap that enables
telemetry and binds on 0.0.0.0; DaemonSet drops the
unnecessary privileges; the section is marked
"illustrative — not production-ready" and explicitly defers
workload-specific privilege layering to the Helm chart (M6).
- Gate: `TestReadme_K8sExampleParsesAndEnablesTelemetry`
extracts the YAML block, parses both docs (ConfigMap +
DaemonSet), asserts (a) `enabled: true` AND `0.0.0.0` in the
config, (b) both liveness + readiness probes exist pointing
at /healthz + /readyz. A future doc author can't ship a
manifest that would CrashLoop on apply.
Nits:
- N6: reverted `watchUpdateDivisor` / `watchKeepForMultiplier`
to untyped consts (the canonical Go shape for unitless
ratios; typing them as time.Duration was dimensionally
confused).
- N9: anchored regex `\b` on the metric-value match in the M2
wiring test — `} 1` was accidentally matching `} 12` /
`} 100`.
- N10: clarified `client_cgo.go` comment that Close() returns
nil (consistent with stub, but the previous comment misled
casual readers).
- Cgo placeholder operator-deception risk: variant string now
`cgo-placeholder` not `cgo` until the real binding lands.
`tracecore receivers list` shows `dcgm [cgo-placeholder]`
so operators on a real GPU host can't deploy a stub binary
thinking it's the real one. Legend in the receivers-list
output explains the three values.
S19 partial (wire build-tags into make ci):
- `make ci` now depends on `build-tags`. Every `make ci` run
(local + GitHub Actions) gates on the cgo vs default build
compiling cleanly. Pre-existing target now actually fires in
the standard CI surface.
FOLLOWUPS additions (deferred but tracked with trigger predicates):
- S18 `pkg/dcgm.Probe(…)` library helper — when a second
external consumer materializes.
- N7 AST walker resolve-map by reflection — when selftelemetry
adds a new canonical Kind.
- N8 AST walker globs *.go non-test — paired with the
receiver.go split FOLLOWUP.
- Promote `make build-tags` into the pr-validation shortcut
workflow — opportunistic next CI sweep.
`make ci` passes; dcgm coverage steady at 86.0%; the build-tag
matrix is now part of every CI run.
Assisted-by: Claude Opus 4.7
Signed-off-by: Tri Lam <trilamsr@gmail.com>
trilamsr
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May 15, 2026
Four R1 findings folded into one commit (docs/CI surface). #1 — README config table missed the top-level `enabled *bool` kill-switch. Added the row at the top of the table with its nil-means-active semantics so operators can grep the table for the field and find it (config.go:27 has been there since the initial M9 work; the README just didn't surface it). #2 — README forward-reference to "the container realities section above" pointed at nothing. Added the actual section ("Container realities") with four operator-actionable bullets: mount the host /dev/kmsg (not the empty pod-local one), CAP_SYSLOG instead of root, multi-tenant blast-radius warning, and the namespaced-kmsg 5.10+ posture. Section anchors a follow-on ready-to-paste DaemonSet manifest (see commit F). TOC updated; threat-model table now links by anchor instead of prose. R1.S3 — alert-check.sh regex too narrow. The previous regex required a suffix in {Receiver,Source,Pipeline,Exporter,Processor} and would miss future alerts named after a domain (e.g. `KernelEventsXidBurst`). Broadening to "any TitleCase identifier ≥12 chars" produced false positives (Go identifiers like `OTLPRoundTrip`, `AmbientCapabilities`). Final shape: drop direction-2 lexicon-based extraction entirely, keep only direction-1 (alerts-yaml is source of truth → MUST appear in the runbook). Direction-2 ("stale runbook reference to a deleted alert") is rare and self-revealing (the alert just doesn't fire), so the cost of false positives outweighs the benefit of catching it pre-merge. #7 — RUNBOOK preamble for receiver-local error kinds. The C commit already added the per-kind triage section; this commit ties it into the error-message index and explicitly states the "why no page alert" rationale so a reviewer doesn't ask the question again. Assisted-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> Signed-off-by: Tri Lam <trilamsr@gmail.com>
trilamsr
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May 15, 2026
The previous gate exited at the sha256 mismatch, which left no diagnostic trail for triaging which bytes diverged between Build #1 and Build #2. Inverting the control flow: run diffoscope on a mismatch, capture its text report, then exit non-zero. On a match, run diffoscope --exit-code as the load-bearing assertion. Either way diffoscope output ends up in the job log. Also upload both binaries as a "failed-build-pair" artifact when the job fails — needed for offline triage when the on-runner diff isn't enough (e.g. comparing across two failed runs). Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
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May 15, 2026
Diffoscope on test tag v0.0.0-m3test-2 surfaced the actual delta: two runtime/debug.BuildInfo entries differed across builds — vcs.modified flipped from false to true, and the +dirty suffix appeared in the embedded module version. Cascading: that fed a different action-ID into the Go linker, which changed NT_GNU_BUILD_ID, which changed the file hash. Root cause: Build #1 created build1/ inside the worktree and moved the binary into it. By the time Build #2 ran `go build`, the worktree contained untracked files (build1/tracecore_linux_amd64 + .sha256), so `git status --porcelain` was non-empty. `go build -buildvcs=true` (default) reads that and sets vcs.modified=true for Build #2. Fix: build each iteration into `mktemp -d` outside the source tree. The worktree stays clean; Go's VCS probe sees identical state on both runs; build IDs match; binaries match. The canonical artifact is then staged from BUILD1_DIR into ./release/ for the rest of the workflow. Failure-triage upload still grabs both builds when the gate trips. Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
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…rage Four parallel reviews landed seven actionable changes: - Cold rebuild: both builds now use isolated $(mktemp -d) GOCACHE dirs so build #2 can't pass by replaying build #1's cached object files. The assertion we want is cold-vs-cold byte-equality — which is what a third party with a fresh checkout reproduces. - Cosign cert-identity-regexp tightened to pin this exact workflow file on a tag-ref. The previous `^https://github.com/<repo>/` regex would have accepted a Sigstore bundle minted by any workflow on any branch in the same repo; the new pattern rejects sibling workflows. - SBOM coverage gate now walks every `Indirect != true` entry in go.mod and asserts a matching `pkg:golang/<path>@…` purl exists in the CycloneDX components[]. M3's "covers every module" rubric and M21's "≥1 component per direct module" rubric now have a falsifiable check; the previous `components ≥ 1` gate was a placeholder. - Recipe step 6 switched from `slsa-verifier verify-artifact` (legacy slsa-github-generator format) to `gh attestation verify` (the reference verifier for actions/attest-build-provenance's Sigstore bundle output). slsa-verifier ≥ 2.7.0 with `verify-github-attestation` is documented as the alternate path; earlier versions don't parse Bundle v0.3 and would have failed silently or noisily. - Recipe step 4 dropped `--exit-code` to match the CI fix; step 5 inherits the tightened cert-identity-regexp; the diffoscope-failure diagnostic row points at Go-toolchain drift (the actual common cause) rather than "compiler upgrade or -trimpath regression". - CHANGELOG entry added under [Unreleased] / Added; MILESTONES.md M3 flipped from ☐ to ⧗ with a flip-to-☑-on-merge note; top-level README.md routing table grew a row for auditors / supply-chain verifiers pointing at docs/reproducibility.md. - Dropped two unused job-level outputs (source_date_epoch, build_date) that no downstream job consumed; removed a vestigial `make clean` between builds (does nothing when artifacts live in mktemp dirs). Assisted-by: Anthropic:claude-opus-4-7 [Claude Code] Signed-off-by: Tri Lam <trilamsr@gmail.com>
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trilamsr
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May 18, 2026
Ratify the current posture as a permanent stance: the tracecore binary contains no in-binary self-update mechanism, no background fetcher, no remote control plane. Operators pull releases via their existing delivery tooling (Flux / Argo CD / RenovateBot / kubectl set image); the trust root is the operator's, not ours. RFC-0008 at Status: accepted, covering: - which component classes may auto-update (none, in-binary) - the supported update path (operator-pulled artifacts with cosign / SBOM / SLSA verification on the operator side) - what the collector commits to (immutable digests, lockstep appVersion / binary, no mid-version mutation) - what it explicitly does not commit to (remote channel, phoning-home, vendored update library) - five rejected alternatives with one-sentence rationale each - a CI grep gate enforcing the no-fetcher invariant Adjacent changes in the same PR (per M23 rubrics): - NORTHSTARS Open Question #2 closed; pointer to RFC-0008 - scripts/no-autoupdate-check.sh wired into `make ci` to fail build on `go-update` / `self-update` / `auto-update` / `AutoUpdate` / `UpdateCheck` / `FetchLatest` identifiers under cmd|components| internal - install/kubernetes/tracecore/README.md § "Upgrade posture" points operators at RFC-0008 for the contract - MILESTONES.md M23 flipped to ☑ with per-rubric ☑ prefixes (matches the convention adopted in PR #53) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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May 19, 2026
Phase 4 of 5-phase rigorous review. Two A+ aspiration reviewers graded independently against the M23 rubric. ## Grades - Reviewer 1: A. "Exemplary M-milestone work; the 5-phase review cycle caught and fixed real issues (case-insensitivity, scope coverage, rollback verification)." - Reviewer 2: A. "Comprehensive, falsifiable RFC that closes NORTHSTARS OQ #2 with three load-bearing enforcement gates." Synthesized grade: **A**. Both reviewers explicitly state the PR is mergeable at A and that A+ criteria are optional polish, not blocking on the M23 rubric. ## A+ criteria proposed and triaged | ID | Proposed by | Criterion | Cost | Action | |-------|----------------|--------------------------------------------------------------------------|---------------|------------------------------------------------------------| | P4.1 | aplus-1 | `make verify-rfc-claims` target — RFC Commitments → CI gate dependency map | TASTE-CALL | explicitly-skipped (RFC body already documents the gates) | | P4.2 | aplus-1 | Stable / parseable grep gate output format for automation | FUTURE-WORK | deferred — no automation consumer today; revisit at v1.0 | | P4.3 | aplus-1 | FOLLOWUPS entry gating removal of `no-autoupdate-check.sh` | TASTE-CALL | explicitly-skipped (RFC § Migration / rollout owns the bar) | | P4.4 | aplus-2 | Operator CVE response time SLA (≤30 min patch-to-production) | TASTE-CALL | deferred — quantifying requires timing measurements; chart README already documents the commands | | P4.5 | aplus-2 | Explicit false-positive override path (anchor comment / allow-list) | LOAD-BEARING-IF-NEEDED | deferred — no false positive observed today; `_test.go` exclusion handles main case; revisit on first false-positive incident | | P4.6 | aplus-2 | Audit trail for depguard rule additions (cite vendor + rationale in PR) | FUTURE-WORK | deferred — operational discipline; capture as MEMORY rule if pattern recurs | ## Validation cycle for each criterion For each proposed criterion, I asked: does it survive contradict? i.e., is there a *concrete* reproducer where this criterion's absence causes a measurable failure today? - P4.1: no — manual inspection currently sufficient; no recurring drift - P4.2: no — no machine consumer today - P4.3: no — RFC body adequately documents the bar; FOLLOWUPS duplicate would rot - P4.4: no — chart README documents the path; SLA quantification needs measurement - P4.5: no — no false-positive incident observed; depguard catches by import path independently - P4.6: no — depguard list rarely changes; vendor-citation discipline is a soft norm None survived contradict to load-bearing. All deferred or skipped. ## Edge-case hunt for phase 4 (≥1 required) What if `--exclude='*_test.go'` were removed? Many existing test files (in this repo and others) mention these identifiers as negative-test fixtures. The existing `test-file-excluded` regression test already covers this — mutation-verified in phase 1. Edge case handled. ## Rubric additions promoted to .claude/ralph-loop.local.md None. All A+ criteria are deferred or skipped. Signed-off-by: Tri Lam <trilamsr@gmail.com>
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Ratify the current posture as a permanent stance: the tracecore binary contains no in-binary self-update mechanism, no background fetcher, no remote control plane. Operators pull releases via their existing delivery tooling (Flux / Argo CD / RenovateBot / kubectl set image); the trust root is the operator's, not ours. RFC-0008 at Status: accepted, covering: - which component classes may auto-update (none, in-binary) - the supported update path (operator-pulled artifacts with cosign / SBOM / SLSA verification on the operator side) - what the collector commits to (immutable digests, lockstep appVersion / binary, no mid-version mutation) - what it explicitly does not commit to (remote channel, phoning-home, vendored update library) - five rejected alternatives with one-sentence rationale each - a CI grep gate enforcing the no-fetcher invariant Adjacent changes in the same PR (per M23 rubrics): - NORTHSTARS Open Question #2 closed; pointer to RFC-0008 - scripts/no-autoupdate-check.sh wired into `make ci` to fail build on `go-update` / `self-update` / `auto-update` / `AutoUpdate` / `UpdateCheck` / `FetchLatest` identifiers under cmd|components| internal - install/kubernetes/tracecore/README.md § "Upgrade posture" points operators at RFC-0008 for the contract - MILESTONES.md M23 flipped to ☑ with per-rubric ☑ prefixes (matches the convention adopted in PR #53) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Phase 4 of 5-phase rigorous review. Two A+ aspiration reviewers graded independently against the M23 rubric. ## Grades - Reviewer 1: A. "Exemplary M-milestone work; the 5-phase review cycle caught and fixed real issues (case-insensitivity, scope coverage, rollback verification)." - Reviewer 2: A. "Comprehensive, falsifiable RFC that closes NORTHSTARS OQ #2 with three load-bearing enforcement gates." Synthesized grade: **A**. Both reviewers explicitly state the PR is mergeable at A and that A+ criteria are optional polish, not blocking on the M23 rubric. ## A+ criteria proposed and triaged | ID | Proposed by | Criterion | Cost | Action | |-------|----------------|--------------------------------------------------------------------------|---------------|------------------------------------------------------------| | P4.1 | aplus-1 | `make verify-rfc-claims` target — RFC Commitments → CI gate dependency map | TASTE-CALL | explicitly-skipped (RFC body already documents the gates) | | P4.2 | aplus-1 | Stable / parseable grep gate output format for automation | FUTURE-WORK | deferred — no automation consumer today; revisit at v1.0 | | P4.3 | aplus-1 | FOLLOWUPS entry gating removal of `no-autoupdate-check.sh` | TASTE-CALL | explicitly-skipped (RFC § Migration / rollout owns the bar) | | P4.4 | aplus-2 | Operator CVE response time SLA (≤30 min patch-to-production) | TASTE-CALL | deferred — quantifying requires timing measurements; chart README already documents the commands | | P4.5 | aplus-2 | Explicit false-positive override path (anchor comment / allow-list) | LOAD-BEARING-IF-NEEDED | deferred — no false positive observed today; `_test.go` exclusion handles main case; revisit on first false-positive incident | | P4.6 | aplus-2 | Audit trail for depguard rule additions (cite vendor + rationale in PR) | FUTURE-WORK | deferred — operational discipline; capture as MEMORY rule if pattern recurs | ## Validation cycle for each criterion For each proposed criterion, I asked: does it survive contradict? i.e., is there a *concrete* reproducer where this criterion's absence causes a measurable failure today? - P4.1: no — manual inspection currently sufficient; no recurring drift - P4.2: no — no machine consumer today - P4.3: no — RFC body adequately documents the bar; FOLLOWUPS duplicate would rot - P4.4: no — chart README documents the path; SLA quantification needs measurement - P4.5: no — no false-positive incident observed; depguard catches by import path independently - P4.6: no — depguard list rarely changes; vendor-citation discipline is a soft norm None survived contradict to load-bearing. All deferred or skipped. ## Edge-case hunt for phase 4 (≥1 required) What if `--exclude='*_test.go'` were removed? Many existing test files (in this repo and others) mention these identifiers as negative-test fixtures. The existing `test-file-excluded` regression test already covers this — mutation-verified in phase 1. Edge case handled. ## Rubric additions promoted to .claude/ralph-loop.local.md None. All A+ criteria are deferred or skipped. Signed-off-by: Tri Lam <trilamsr@gmail.com>
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May 19, 2026
Ratify the current posture as a permanent stance: the tracecore binary contains no in-binary self-update mechanism, no background fetcher, no remote control plane. Operators pull releases via their existing delivery tooling (Flux / Argo CD / RenovateBot / kubectl set image); the trust root is the operator's, not ours. RFC-0008 at Status: accepted, covering: - which component classes may auto-update (none, in-binary) - the supported update path (operator-pulled artifacts with cosign / SBOM / SLSA verification on the operator side) - what the collector commits to (immutable digests, lockstep appVersion / binary, no mid-version mutation) - what it explicitly does not commit to (remote channel, phoning-home, vendored update library) - five rejected alternatives with one-sentence rationale each - a CI grep gate enforcing the no-fetcher invariant Adjacent changes in the same PR (per M23 rubrics): - NORTHSTARS Open Question #2 closed; pointer to RFC-0008 - scripts/no-autoupdate-check.sh wired into `make ci` to fail build on `go-update` / `self-update` / `auto-update` / `AutoUpdate` / `UpdateCheck` / `FetchLatest` identifiers under cmd|components| internal - install/kubernetes/tracecore/README.md § "Upgrade posture" points operators at RFC-0008 for the contract - MILESTONES.md M23 flipped to ☑ with per-rubric ☑ prefixes (matches the convention adopted in PR #53) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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May 19, 2026
Phase 4 of 5-phase rigorous review. Two A+ aspiration reviewers graded independently against the M23 rubric. ## Grades - Reviewer 1: A. "Exemplary M-milestone work; the 5-phase review cycle caught and fixed real issues (case-insensitivity, scope coverage, rollback verification)." - Reviewer 2: A. "Comprehensive, falsifiable RFC that closes NORTHSTARS OQ #2 with three load-bearing enforcement gates." Synthesized grade: **A**. Both reviewers explicitly state the PR is mergeable at A and that A+ criteria are optional polish, not blocking on the M23 rubric. ## A+ criteria proposed and triaged | ID | Proposed by | Criterion | Cost | Action | |-------|----------------|--------------------------------------------------------------------------|---------------|------------------------------------------------------------| | P4.1 | aplus-1 | `make verify-rfc-claims` target — RFC Commitments → CI gate dependency map | TASTE-CALL | explicitly-skipped (RFC body already documents the gates) | | P4.2 | aplus-1 | Stable / parseable grep gate output format for automation | FUTURE-WORK | deferred — no automation consumer today; revisit at v1.0 | | P4.3 | aplus-1 | FOLLOWUPS entry gating removal of `no-autoupdate-check.sh` | TASTE-CALL | explicitly-skipped (RFC § Migration / rollout owns the bar) | | P4.4 | aplus-2 | Operator CVE response time SLA (≤30 min patch-to-production) | TASTE-CALL | deferred — quantifying requires timing measurements; chart README already documents the commands | | P4.5 | aplus-2 | Explicit false-positive override path (anchor comment / allow-list) | LOAD-BEARING-IF-NEEDED | deferred — no false positive observed today; `_test.go` exclusion handles main case; revisit on first false-positive incident | | P4.6 | aplus-2 | Audit trail for depguard rule additions (cite vendor + rationale in PR) | FUTURE-WORK | deferred — operational discipline; capture as MEMORY rule if pattern recurs | ## Validation cycle for each criterion For each proposed criterion, I asked: does it survive contradict? i.e., is there a *concrete* reproducer where this criterion's absence causes a measurable failure today? - P4.1: no — manual inspection currently sufficient; no recurring drift - P4.2: no — no machine consumer today - P4.3: no — RFC body adequately documents the bar; FOLLOWUPS duplicate would rot - P4.4: no — chart README documents the path; SLA quantification needs measurement - P4.5: no — no false-positive incident observed; depguard catches by import path independently - P4.6: no — depguard list rarely changes; vendor-citation discipline is a soft norm None survived contradict to load-bearing. All deferred or skipped. ## Edge-case hunt for phase 4 (≥1 required) What if `--exclude='*_test.go'` were removed? Many existing test files (in this repo and others) mention these identifiers as negative-test fixtures. The existing `test-file-excluded` regression test already covers this — mutation-verified in phase 1. Edge case handled. ## Rubric additions promoted to .claude/ralph-loop.local.md None. All A+ criteria are deferred or skipped. Signed-off-by: Tri Lam <trilamsr@gmail.com>
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) ## Summary Files RFC-0008 at `Status: accepted`, ratifying tracecore's current posture as a permanent stance: the binary contains no in-binary self-update mechanism, no background fetcher, no remote update channel. Operators pull releases via their existing delivery tooling — Flux, Argo CD, RenovateBot, `kubectl set image` from CI — and the cryptographic trust root (cosign keyless verification, SBOM, SLSA v1.0 Build L1 provenance from M3) is theirs, not ours. Closes NORTHSTARS § "Open questions tracked as RFCs" entry 2 ("Auto-update boundary"). ## What this PR changes - **New RFC:** `docs/rfcs/0008-auto-update-boundary.md` (Status: accepted) — concrete proposal across receiver / processor / exporter / runtime / binary classes; five rejected alternatives with one-sentence rationale each; risks led by RFC-number-collision per `STYLE-docs.md` §3; crosslinks to PRINCIPLES §1 §2 §6 §11 to show the boundary does not weaken any of them. - **NORTHSTARS.md:** Open Question #2 closed; replaced with pointer to RFC-0008 + supersession bar ("a production-operator ask that operator-side delivery automation cannot serve"). - **CI grep gate:** `scripts/no-autoupdate-check.sh` greps `cmd/ components/ internal/` for banned identifiers (`go-update`, `self-update`, `auto-update`, `AutoUpdate`, `UpdateCheck`, `FetchLatest`); wired into `make ci`. Run locally: green. - **Chart README:** `install/kubernetes/tracecore/README.md` adds an "Upgrade posture" subsection under § Upgrade pointing operators at RFC-0008 for the contract. - **MILESTONES.md:** M23 flipped `☐` → `☑ delivered`; every functional + non-functional rubric bullet carries `☑` (rubric-preservation convention adopted in PR #53). ## Why The "default off until a real ask appears" stance was a placeholder. Operators in this segment already run delivery pipelines with cryptographic provenance gates they control. Replicating that machinery inside a workload-adjacent collector duplicates an existing strength, badly. PRINCIPLES §2 ("Reversibility before optionality") settles the trade: prefer no mechanism over an off-by-default mechanism, because an off-by-default fetcher still has to exist in the binary, and an opt-out flag is a frequent supply-chain accident. ## Test plan - [x] `bash scripts/no-autoupdate-check.sh` exits 0 on this branch - [x] `bash scripts/doc-check.sh` passes — link integrity green, unverified-marker count stable - [ ] RFC renders correctly on GitHub - [ ] CI green (`make ci` includes both gates above + license-check + lint + build) ## Note on PR ordering The MILESTONES.md edit here uses the per-rubric `☑` convention introduced in PR #53. If PR #53 lands first, this merges clean. If this merges first, PR #53's "How to read" updates remain compatible — the convention reads correctly with or without the preamble already in place. 🤖 Generated with [Claude Code](https://claude.com/claude-code) ```release-notes NONE ``` --------- Signed-off-by: Tri Lam <trilamsr@gmail.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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…pe; reject framing of bench-correction as regression Phase-3 adversarial deep review (2 fresh subagents, independent of the 8 lens reviews). The author's completion claim was treated as a hypothesis to falsify. Adversarial #1: APPROVED, no falsifiable findings. Adversarial #2: returned CONCERNS-REQUIRE-FIX with two findings. After the validation cycle: Findings table: | ID | Lens | Beneficiary | Severity | Finding | Proof | Contradict | TDD record | Rubric+ | Action | |----|------|-------------|----------|---------|-------|------------|------------|---------|--------| | P3.1 | adversarial-2 | repo-long-term | BLOCKER → DEFER | "k8sevents BenchmarkEmitOne allocs jumped 21→28; not gated by bench-check." | Read Makefile:40-44 — bench-check is scoped to ./internal/telemetry/. Confirmed k8sevents has no baseline. | The 21→28 jump is the WHOLE POINT of group F: the previous bench reused one plog chain across iters and under-reported production cost. `git diff origin/main...HEAD -- components/receivers/k8sevents/receiver.go components/receivers/k8sevents/emit.go` shows production allocation paths in r.emit are unchanged from main; only the bench measurement shape changed. Reviewer conflated bench-output change with production regression. | n/a — no production change to test | no — finding rejected as framed, but underlying observation kept | deferred FOLLOWUPS.md (Component-level benchmarks ungated by `make bench-check`) | | P3.2 | adversarial-2 | repo-long-term | NIT | Missing explicit symlink-to-directory test for kubeconfig path. | A new TestConfig_RejectsSymlinkToDirectoryAsKubeconfigPath would pass without code change. | Reviewer themselves note "would pass with the current code." TestConfig_RejectsDirectoryAsKubeconfigPath already exercises the IsDir() path; symlinks go through the same code (os.Stat follows symlinks intentionally). No unique coverage added. | n/a | no | explicitly-skipped (taste-call; redundant coverage) | Reproducibility: $ grep -n "components" Makefile | grep bench # only internal/telemetry covered $ git diff origin/main..HEAD -- components/receivers/k8sevents/receiver.go components/receivers/k8sevents/emit.go # zero production-allocation changes Validation-cycle stats: Findings rejected during contradict (framing of BLOCKER as regression): 1 Findings that survived as DEFERRED to FOLLOWUPS: 1 Findings explicitly-skipped (taste-call): 1 Beneficiary: repo-long-term. The underlying gap (component benches ungated) is real and worth a follow-up; the immediate framing as a regression in this PR is not. Signed-off-by: Tri Lam <tree@lumalabs.ai> Signed-off-by: Tri Lam <trilamsr@gmail.com>
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…l ordering rationale Phase-4 A+ aspiration review (2 fresh subagents). Reviewer #1 graded B+ with 7 documentation-of-already-true-invariants criteria; reviewer #2 graded A with 3 falsifiable proposals. Two surviving load-bearing criteria after validation cycle: Findings table: | ID | Lens | Beneficiary | Severity | Finding | Proof | Contradict | TDD record | Rubric+ | Action | |----|------|-------------|----------|---------|-------|------------|------------|---------|--------| | P4.1 | aplus-2 | repo-long-term | CONCERN | populateAttributes / attrPutter cap check (`attrs.Len() >= maxAttrs`) is exercised only at production maxAttrs floor (9). The exported BuildLogRecordForBench helper can be called with arbitrary values; a future refactor flipping `>=` to `>` would silently allow one attribute through at maxAttrs=0 and slip past every existing test. | TestBuildLogRecord_BoundaryMaxAttrs covers maxAttrs=0 and maxAttrs=-1; mutation-verified red→green: changing `>=` to `>` in attrPutter.putStr/putInt fails the maxAttrs=0 subtest, then restoration passes. | Production Validate floors maxAttrs at 9 (TestConfig_RejectsTooLowMaxAttributes pins this). But internal callers (bench, future refactor) can bypass Validate. | red (mutation) → green → mutation-verify recorded in this commit | yes — P4-aplus-2 in .claude/ralph-loop.local.md | applied this commit | | P4.2 | aplus-2 | repo-long-term | NIT | validateKubeconfigPath ordering rationale lives only in the Phase-1 commit body and FOLLOWUPS closure; a future maintainer reordering Validate's pipeline would break TestConfig_AmbiguousAuth_* tests without warning at the call site. | Added the rationale to the validateKubeconfigPath docstring (source-level). | n/a — comment-only; existing tests catch a bad reorder regardless. | n/a | no | applied this commit (config.go) | Rejected/deferred: - P4.3 (aplus-1 #1) — "Bench allocs/op ≤30 threshold gate." Already covered by Phase-3 deferred FOLLOWUPS entry on component-bench scope. DEFER (duplicate). - P4.4 (aplus-2 #2) — Cross-receiver SchemaURL pattern lint. Out of scope; trigger is third in-tree schema URL. DEFER to FOLLOWUPS. - P4.5 (aplus-1 #2-7) — Document already-met invariants. Per feedback_anti_bureaucracy, criteria that document truths without a falsifiable hook are bloat. REJECT. Reproducibility: $ go test -run TestBuildLogRecord_BoundaryMaxAttrs -v ./components/receivers/k8sevents/ # passes $ sed -i.bak 's/a.attrs.Len() >= a.maxAttrs/a.attrs.Len() > a.maxAttrs/g' components/receivers/k8sevents/emit.go && \ go test -run TestBuildLogRecord_BoundaryMaxAttrs/maxAttrs=0 -v ./components/receivers/k8sevents/ # fails $ mv components/receivers/k8sevents/emit.go.bak components/receivers/k8sevents/emit.go # restore Letter-grade outcome: Reviewer #1 starting grade: B+ → target A+ via documentation Reviewer #2 starting grade: A → target A+ via P4.1 + P4.2 After this commit: A+ on the falsifiable axis (every C1-C6 + F change has a mutation-catching test; the boundary cap is now explicitly pinned; ordering rationale lives at source). Beneficiary: repo-long-term. Falsifiable tests survive refactors; documentation-of-truths does not. Signed-off-by: Tri Lam <tree@lumalabs.ai> Signed-off-by: Tri Lam <trilamsr@gmail.com>
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…+ threat-root trace on go-mod-verify Phase-4 A+ aspiration review (2 fresh subagents; both graded A, diverged on which gates to apply). Validation cycle: Findings table: | ID | Lens | Beneficiary | Severity | Finding | Proof | Contradict | TDD record | Rubric+ | Action | |----|------|-------------|----------|---------|-------|------------|------------|---------|--------| | P4.1 (aplus-1 #2, also P2.6) | aplus | operator | CONCERN | A workflow_dispatch run with `inputs.tag` set but `github.ref` ≠ refs/tags/$INPUT_TAG passes Build and fails the OIDC smoke check 15-30 minutes later. Operator wastes runner time and sees the misuse late. | New "Verify dispatch ref matches tag (pre-flight)" step exit-1s within seconds with the documented workaround. | Reviewer noted the smoke check already enforces this — but at job-end, not at job-start. Fail-fast IS the load-bearing property. | n/a — workflow YAML, actionlint clean | yes — P4-aplus-1 | applied this commit; closes P2.6 deferral. | | P4.4 (aplus-2 #2) | aplus | repo-long-term | NIT | go-mod-verify comment says "defense in depth against a compromised GOPROXY mirror" but doesn't name the trust root or the orthogonal threat (a poisoned go.sum itself). | Comment now states "Trust root: the go.sum at this tag commit" and cross-references the tag-protection FOLLOWUPS entry. | A future maintainer might over-attribute the protection. | n/a | no | applied this commit | Rejected/deferred: - P4.2 (aplus-1 #4) — Structured diff lint for release.yml ↔ docs/reproducibility.md. DEFER to FOLLOWUPS.md (real value, but manual review caught both drift directions in Phases 2 + 3; automate when next edit happens). - P4.3 (aplus-1 #6) — Release artifact manifest validation before upload. REJECT. Per anti-bureaucracy: reviewer concedes `needs:` dependency already gates malformed artifacts from reaching the release job. Adding defensive validation against a CI-bug scenario is bloat. - P4.5 (aplus-1 #3) — docs/SUPPLY-CHAIN-IDENTITY.md consolidated reference. DEFER to FOLLOWUPS.md; ~30-min write, scope creep beyond release.yml. M21 release-checklist is the natural trigger. - P4.6 (aplus-1 #5, aplus-2 #3) — Formal threat-model document + M21 alignment narrative. DEFER to M21. - P4.7 (aplus-2 #5) — Cross-link health lint. Duplicate of P4.2; same deferral. Reproducibility: $ make actionlint zizmor # exit 0 $ grep -A1 "workflow_dispatch with inputs.tag" .github/workflows/release.yml # pre-flight gate present Letter-grade outcome: Reviewer #1 starting: A → A+ via criteria 2, 4, 6 (we applied 2 + threat-model comment) Reviewer #2 starting: A → APPROVED-AS-IS (already strong) After this commit: A on the falsifiable axis (one operator-UX gate + one comment clarification), with the broader doc/lint work scoped to follow-ups. Beneficiary: operator. The pre-flight gate cites a specific operator-facing surface (15-30 minute waste on workflow_dispatch misuse) and turns it into a seconds-fast named error. Signed-off-by: Tri Lam <tree@lumalabs.ai> Signed-off-by: Tri Lam <trilamsr@gmail.com>
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…ask + gh attestation verify (#69) ## Summary Release-pipeline supply-chain hardening + a workflow_dispatch pre-flight gate. No operator-visible release-artifact shape change; the gates fail loudly at tag-push time before any artifact is signed and published. **Hardening:** - `go mod download && go mod verify` step before the reproducible-build pair. Catches a poisoned GOPROXY mirror returning module bytes that don't match `go.sum`. Trust root: the `go.sum` at the tag commit; a poisoned `go.sum` itself is tracked separately under M3 tag-protection. - `LC_ALL=C` + `TZ=UTC` env + `umask 022` inside the run script of both Build #1 and Build #2. Canonical reproducible-builds.org stanza; today's `-trimpath`+`SOURCE_DATE_EPOCH` carry the load for Go output, but the stanza is cheap insurance against future cgo or non-Go release artifacts. - New "Smoke-check `gh attestation verify`" step in the provenance job. Local-bundle mode (offline trust chain — cert + SCT + Rekor proof are embedded). Flag set matches `docs/reproducibility.md` step 6: `--signer-workflow` + `--predicate-type` + `--repo` + `--source-ref` + `--source-digest`. Pins the OIDC subject path so a different workflow in the repo with `attestations: write` cannot satisfy it; pins the source claims so an attestation from a non-tag dispatch is refused. - `docs/reproducibility.md` step 6 tightened from `--owner` (org-wide) to `--repo` (org/repo). Adopters following the documented walkthrough now exercise the same scope CI enforces. - New "Verify dispatch ref matches tag" pre-flight step. On `workflow_dispatch` with `inputs.tag` set, asserts `github.ref == refs/tags/$INPUT_TAG` and fails fast with the named workaround. Saves 15-30 minutes of runner time on misuse. **FOLLOWUPS hygiene:** Closed five rows: `go mod verify`, build-env sanitization, cosign+gh-attestation flag tightening (cosign half had already shipped), Rekor log-index URL (already shipped), and workflow_dispatch pre-flight gate. Opened three rows: flag-parity lint between release.yml and reproducibility.md; consolidated `docs/SUPPLY-CHAIN-IDENTITY.md` reference; component-bench gating scope (tracked from the parallel k8sevents review). ## Verification - `make actionlint zizmor` clean on the head commit (zizmor: 0 findings). - `gh attestation verify --bundle` + `--repo` + `--source-ref` + `--source-digest` combination verified end-to-end against a public sigstore bundle (`github/codeql-action v2.25.4`); gh CLI source maps the flags to Fulcio cert OIDs 1.3.6.1.4.1.57264.1.14 / .13, populated from OIDC `ref` / `sha` claims at sign time. - Pre-flight gate is a stand-alone shell test; it exits 1 with a clear error and the named workaround when `github.ref` and `inputs.tag` disagree. ## Test plan - [ ] PR CI green on the head commit. - [ ] Next real release tag (M21) exercises all four new gates end-to-end against a real Sigstore bundle. - [ ] If `gh attestation verify --bundle` rejects the flag combination at release time, the failure is loud (job fails) and the fix is a one-line follow-up. ```release-notes Tightened release-workflow supply chain: defensive `go mod verify`, canonical LC_ALL / TZ / umask reproducible-build stanza, and a local-bundle `gh attestation verify` smoke check pinned to the source tag + commit SHA and the signing workflow. `docs/reproducibility.md` now uses `--repo` so adopter verification matches CI strictness. Workflow_dispatch with `inputs.tag` fails fast if the ref doesn't match. Operator-visible release shape unchanged. ``` --------- Signed-off-by: Tri Lam <tree@lumalabs.ai> Signed-off-by: Tri Lam <trilamsr@gmail.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Eight 1-page pattern-design specs covering #2 IB link flap, #7 dataloader hang, #8 NCCL timeout no-HW, #9 NCCL bootstrap timeout, #10 CUDA OOM deceptive allocator, #11 checkpointer hang, #12 loss spike NaN, #13 silent data corruption. Each carries the standard detector-design shape (symptom, layers, signal sources, evaluation rule, verdict attrs, edge cases, status, open questions) so the next contributor can write a TDD red test directly off the spec. Status: all 8 marked planned. #10 already has issue #303; the spec frames the design alongside. NORTHSTARS Appendix A gains a Spec column; docs/README + patterns README link the new specs. Signed-off-by: Tri Lam <tri@maydow.com>
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Pattern #2 — InfiniBand link flap — per NORTHSTARS Appendix A row #2 and the design spec at docs/patterns/02-ib-link-flap.md. Detector evaluation rule - bucket IB port-state transitions by (node, HCA, port) within CorrelationWindow (default 2min) - fire when transitions >= MinTransitions (default 2) - promote Confidence to full when a stuck NCCL FR cohort (>= MinHangingRanks ranks, non-completed-state) lands on the same node within the same window; otherwise partial Cross-rank correlation primitive - groupStuckNCCLByNode lifted as an inline helper inside the ib_link_flap detector; same shape will recur in pattern #7 (dataloader-hang) and #9 (nccl-bootstrap-timeout). Refactor to a shared module follows in the next commit. Wiring - NCCLFRRecord.Node added so the cross-rank correlation can join on node identity (k8sattributes resource attr); existing nccl_hang detector ignores it (collective-scoped, not node-scoped) - projectIBPortStateRecord reads hw.network.ib.port.state + hw.network.ib.device + hw.network.ib.port.num — the customer-stable namespace declared in docs/patterns/02-ib-link-flap.md - appendIBLinkFlapVerdict promotes (k8s.node.name, hw.network.ib.device, hw.network.ib.port.num, tracecore.alert.ib_link_flap.transition_count, nccl.fr.collective_seq_id) per the issue #270 scalar-promotion contract; pattern.confidence is full|partial - Config gains ib_link_flap_window + ib_link_flap_min_transitions with Validate floors (>=1s, >=2) Tests - 8 library tests (ib_link_flap_test.go): full correlation, partial on IB-alone, single-transition no-fire, transitions-outside-window no-fire, different-ports-do-not-combine, NCCL-on-different-node does not join, configurable transition threshold, deterministic ordering - 5 processor tests (ib_link_flap_test.go): full verdict + promoted scalars, partial on IB-alone, partial-suppressed toggle, window validation floor, min-transitions validation floor Cross-link to spec: docs/patterns/02-ib-link-flap.md (authored in parallel; lands first or same-PR). Signed-off-by: Tri Lam <tri@maydow.com>
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…ts (#338) ## Summary 15-agent parallel wave bridging v1.0-rc1 knowledge gaps + closing horizon backlog. 31 commits, 81 files, +8650/-180. **Code (5 detectors / features):** - `feat(iblinkflap)` pattern #2 IB link flap detector — 13 tests, cross-rank helper extracted for reuse by patterns #7/#9 - `feat(cudaoom)` pattern #10 CUDA OOM detector + fragmentation-vs-true-OOM discriminator — 35 tests, 0/6 false-positive rate on fixture corpus (#303 wiring — recipe gap tracked at #337) - `feat(verdict)` deprecate EvictedPod, co-emit PodName + PodNamespace (#277) with regression-pinning test - `feat(chart)` opt-in default-deny NetworkPolicy + cert-manager mTLS reference (#301); ServiceMonitor + scrape annotations (#296); NOTES.txt UX warnings for empty-egress / cross-ns scraper traps - `feat(bench)` per-detector allocs/event harness + soft ratchet gate, graduation criterion documented (#302) - `feat(patterndetector)` verdict counter metric for dashboard panels (#261) - `fix(slo-rules)` correct otelcol_* label set + drop silent-no-op `unless on (instance)` join (#298) **8 pattern design specs (`docs/patterns/{02,07-13}-*.md`):** - Per pattern: symptom, layers crossed, signal sources, detector evaluation rule, verdict attrs, edge cases, open questions. - 7 load-bearing spec gaps flagged for future TDD red-test work (multi-vendor SDC signal, cohort grouping, processor metrics path, etc). **9 v1.0-rc1 audit / knowledge-gap docs:** - `docs/v1-rc1-cut-criteria.md` — 12 falsifiable cut gates derived from O1-O7 - `docs/v1-rc1-operational-gaps.md` — SLSA L3 + air-gap + upgrade-rollback audit (8 issues filed #314-#321) - `docs/v1-rc1-governance-gaps.md` — CODEOWNERS 0%, lint-principles 4/16, retros, `make ci` 148s (5 issues #322-#325, #327) - `docs/v1-rc1-test-audit.md` — 82.9% coverage, fuzz harness inventory (5 issues #328-#332) - `docs/v1-rc1-simplification-audit.md` — top deletion candidates ~9.6K LOC (3 issues #333-#335) - `docs/threat-model.md` — STRIDE per trust boundary + audit RFP scope (#336) - `docs/reference-environments.md` — Tier 1 kind + Tier 2 32×H100 binding spec for O2 hero KPI - `docs/adoption-pipeline.md` — S0-S3 funnel + comms templates for O5 hero KPI - `docs/standards-roadmap.md` — 10 `gen_ai.training.*` attributes proposed upstream (#326) **Doc-drift cleanup:** 11 issues closed (#265, #268, #269, #276, #283, #287, #292-295, #299). **OTTL recipe wiring:** 6 issues closed (#260, #261, #273, #282, #284, #285); #272 deferred to standards-roadmap. **Multi-cluster auth:** bearer-token + mTLS examples (#297). **Merge resolution + reviewer fixes:** - Resolved 5 conflicts post-PR #310/#312/#313 (factory.go delete, VerdictAttr* unexport, MILESTONES.md → docs/, FOLLOWUPS, patterns README) - Adversarial reviewer found 1 BLOCKER + 6 MAJOR; all addressed before push: - Renamed 16 `VerdictAttr*` → `verdictAttr*` per #310 convention - Re-ported selftel wiring (#261) into main's merged `createLogs` - Fixed case-mismatch `docs/THREAT-MODEL.md` → `docs/threat-model.md` (Linux CI is case-sensitive) - 8 pattern specs schema drift: `pattern.id` slug → numeric (`"2"`, `"7"`...`"13"`), `pattern.confidence` `high` → `full` - `02-ib-link-flap.md` attribute drift: spec said `tracecore.alert.ib_link_flap.{hca_device,port}`, code emits `hw.network.ib.{device,port.num}` - `v1-rc1-cut-criteria` criterion #1 status stale-on-arrival ("6 patterns shipped" → "8 patterns shipped, 4 remaining") - NetPol UX trap: NOTES.txt warns when `enabled=true` with empty `allowedEgressEndpoints` (silently kills OTLP) or cross-ns Prometheus - Filed #337 for missing OTTL recipe projecting `DCGM_FI_DEV_FB_*` → `hw.gpu.memory.{free,total}` (CUDA OOM detector consumes but recipe gap) - Post-merge stale-relative-path sweep: 6 wave docs + NORTHSTARS.md + MILESTONES.md (`docs/`, `../`, `docs/docs/` drift after MILESTONES + NORTHSTARS moved to docs/) - Documented 5 newly-emitted attributes in ATTRIBUTES.md (drop_ratio + IB tier — `attribute-namespace-check` now 67/67) ## Test plan - [x] `go test ./module/processor/patterndetectorprocessor/... ./module/pkg/patterns/...` — ok - [x] `make lint` (golangci-lint via goreleaser-style gate) — 0 issues - [x] `go vet ./...` — clean - [x] `make doc-check` — passes after stale-link sweep - [x] `scripts/attribute-namespace-check.sh` — 67/67 documented - [x] `helm lint install/kubernetes/tracecore` — 0 chart(s) failed - [x] `promtool check rules` on slo-rules.yaml — 13 rules / SUCCESS - [ ] CI compat-matrix (rc1 criterion #6) — gated on next wave - [ ] manual smoke install on real cluster — owner clearance pending ```release-notes Lands two new pattern detectors (#2 IB link flap, #10 CUDA OOM fragmentation-vs-true discriminator), 8 pattern design specs for the remaining v1.0 root-cause patterns, opt-in default-deny NetworkPolicy + Prometheus Operator ServiceMonitor on the Helm chart, the EvictedPod → PodName/PodNamespace verdict-attribute deprecation co-emit, per-detector allocs/event bench harness, SLO-rules label fix, and the v1.0-rc1 knowledge-gap audit set (cut criteria, ops gaps, governance gaps, test audit, simplification audit, threat model, reference envs, adoption pipeline, standards roadmap). ``` --------- Signed-off-by: Tri Lam <tri@maydow.com> Co-authored-by: Tri Lam <tri@maydow.com>
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The patterndetector ships 11 detectors with 14 time-bounded knobs, but the join shape varies across patterns and the rationale lived only in code comments + PR review threads. Operators tuning windows had to read source per detector. Audit finding: five distinct shapes are load-bearing (chosen by the causal physics of each signal), not bugs: - One-sided lookback (#1 #3 #5 #6 #7 #10): cause precedes effect. - Asymmetric two-sided (#11): pre-stall covers concurrent-start checkpoints; post-stall covers OTTL-bridge logger latency. - Symmetric two-sided (#9 CNI-event leg): cohort-ready ±window could be cause OR consequence. - Job-window bounded (#13): SDC counter rise must fall in the bounded eval-cycle's owning job; no operator knob is meaningful. - Trailing-window rate / freshness (#2 #4 #8): rolling window anchored at `now` or the most-recent record. Decision: document the existing reality, do not converge. Forcing every detector to the asymmetric two-knob form would silently zero one leg for the one-sided detectors (footgun on clock skew) and would not apply to #13 at all. Adds: - 'Why this correlation shape' section in docs/patterns/07, 11, 13 (the three shapes the issue called out by name). - 'Correlation-window semantics' table in docs/patterns/README.md covering ALL 11 detectors with the predicate, anchor, and shape rationale, plus cross-links to the per-pattern sections. No code changes; no detector behavior changes. Closes #367. Signed-off-by: Tri Lam <tri@maydow.com>
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## Summary Closes #300 — adds the operator-facing walkthrough for NORTHSTARS Appendix A pattern #2 (InfiniBand link flap). The pattern-2 detector library + processor wiring landed earlier (`module/pkg/patterns/ib_link_flap.go`, `module/processor/patterndetectorprocessor/ib_link_flap.go`), but only the engineering-facing design spec (`docs/patterns/02-ib-link-flap.md`) existed. Operators hitting an IB-link-flap incident had no walkthrough analogous to pattern-1/3/4/5. This PR adds that walkthrough and fixes a small wire-type doc bug surfaced while cross-checking attribute names against the projector. ## Files - `docs/patterns/pattern-2-ib-link-flap.md` (new, 1418 words) — Symptom / Why node_exporter sees it / Receiver-emitted signal / PromQL / Alert / Escalation / Replay / Detector status / Verdict shape / Integration gap. Mirrors the sibling-pattern structure exactly. - `docs/patterns/README.md` — pattern #2 added to the "operator walkthroughs (shipped)" table; design-spec row flipped from `☐ planned` to `☑ shipped` with a forward link to the new walkthrough; count copy updated (four → five). - `docs/patterns/02-ib-link-flap.md` — status banner flipped from `☐ planned (no detector implementation yet)` to `☑ shipped` since the detector library + wiring landed; cross-link to the new operator walkthrough. - `docs/ATTRIBUTES.md` — `hw.network.ib.port.state` row corrected from `string` ("ACTIVE"/"DOWN") to `int` (IBA-spec phys_state ID: `1=Down`/`2=Init`/`3=Armed`/`4=Active`). The projector at `module/processor/patterndetectorprocessor/ib_link_flap.go:30` reads it with `state.Int()`; the wiring test stamps it with `a.PutInt(...)`. The previous doc claim was a wire-type bug. ## Claims verified against detector code Every load-bearing fact in the walkthrough was grepped against the in-tree detector + tests: - Attribute names `hw.network.ib.port.state` / `hw.network.ib.device` / `hw.network.ib.port.num` — verified in the projector (`module/processor/patterndetectorprocessor/ib_link_flap.go`). - Defaults `ib_link_flap_window=2m`, `ib_link_flap_min_transitions=2` — verified in `module/processor/patterndetectorprocessor/config.go` (`DefaultIBLinkFlapWindow`, `DefaultIBLinkFlapMinTransitions`) and the example config. - Validate floors (window ≥ 1s, min_transitions ≥ 2) — verified in `config.go` `Validate()`. - Promoted scalars (`k8s.node.name`, `hw.network.ib.device`, `hw.network.ib.port.num`, `tracecore.alert.ib_link_flap.transition_count`, `nccl.fr.collective_seq_id`, `pattern.confidence`) — verified in `extractIBLinkFlapPromotedAttrs` in `ib_link_flap_test.go`. - IBA phys_state ID values (1/2/3/4) — verified against `patterns.IBPortStateDown/Initialize/Armed/Active` constants. - `emit_partial_verdicts=false` suppression behavior — verified in `TestPatternDetector_IBLinkFlapWiringPartialSuppressed`. ## Follow-up filed The walkthrough's "Integration gap" section names a concrete blocker: the metrics→logs OTTL recipe that maps `node_infiniband_port_state_id` → `hw.network.ib.*` log records has not landed. Filed as **#393** (sibling to #284 / #285, gated on RFC-0014 PR-B). The walkthrough cross-references #393 directly so a reader can trace the path from "alert dashboards say zero verdicts" → "recipe blocker tracked". ## Test plan - [x] `golangci-lint run ./...` — 0 issues (pre-commit). - [x] `go vet ./...` — pass (pre-commit). - [x] `go mod verify` — all modules verified (pre-commit). - [x] `attribute-namespace-check` — 100 unique attribute literals, 100 documented (pre-commit). - [x] DCO sign-off + ≤72-char subject — commit-msg hook passed on both commits. - [ ] CI lint + markdown link check — observed via `gh pr checks` (changes / pr-lint already pass; build / verify-* still running at PR-update time). ```release-notes NONE ``` --------- Signed-off-by: Tri Lam <tri@maydow.com> Co-authored-by: Tri Lam <tri@maydow.com>
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## Summary Lands replay corpora for the seven pattern detectors that lacked one, closing the Path-A test gap named in the v1-rc1 audit (#366). Each pattern now ships `module/pkg/replay/<pattern>/{canonical,_negative, _real_world}/` fixtures plus a `*_replay_test.go` runner that JSON-eqs detector output against the on-disk golden. Detectors covered: `hbm_ecc` (#3), `thermal_throttle` (#4), `pcie_aer` (#5), `ib_link_flap` (#2), `nccl_hang` (#15), `cuda_oom` (#10), `xid_correlation` (#16). `pod_evicted` (#14) corpus is unchanged. ## Design - Each detector takes a different input shape (e.g. `HBMECCRecord + XidRecord` for `hbm_ecc`, `ThermalThrottleRecord` for `thermal_throttle`, ...), so the existing `LoadFixturesUnder` helper (typed on `Record + NodeRecord`) cannot be reused. Each detector gets its own `*_replay_test.go` that inlines the per-detector JSON read; shared fixture-discovery and golden-assert helpers live in `helpers_test.go`. - Two detectors (`nccl_hang`, `ib_link_flap`) take a `Now` reference. Tests pin `Now` to a fixed timestamp matching the fixture's `started_ns` so hang-age and flap-window inclusion stay deterministic across replay runs (otherwise wall-clock drift would silently flip the verdicts as the fixture aged). - Goldens were generated from the live detectors via `UPDATE_REPLAY_GOLDEN=1 go test ./module/pkg/replay/...` and pinned; future drift in detector output (headline / remediation prose, evidence-trail UID shape, scalar-field rename) surfaces as a `JSONEq` diff against the fixture. Operators can also eyeball the golden to assert what they EXPECT vs what fires. - Negative fixtures each exercise a distinct discriminator (wrong Xid code, single GPU, no AER, no eviction, completed state, single transition, no OOM log) so a regression in one false-positive guard lights up the corresponding row only. - Flipped `run_corpus: true` on every row of the chaos.yml pattern-detectors matrix now that every detector has a corpus. ## Test plan - [x] `make check` — clean - [x] `go test -race -count=1 ./pkg/replay/...` — 35 tests pass (28 new + 7 pre-existing pod_evicted) - [x] `go test -count=1 ./processor/patterndetectorprocessor/...` — unchanged, still green - [x] `make verify` (pre-push) — clean - [ ] CI: chaos.yml `pattern-detectors` matrix — 8 rows, each runs hermetic regex + replay-corpus step Closes #366. ```release-notes NONE ``` Signed-off-by: Tri Lam <tri@maydow.com> Co-authored-by: Tri Lam <tri@maydow.com>
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## Summary Closes #393. Ships the metric-side OTTL projection from `node_exporter --collector.infiniband`'s `node_infiniband_port_state_id` Gauge onto the customer-stable `hw.network.ib.*` namespace (`hw.network.ib.port.state` int + `hw.network.ib.device` + `hw.network.ib.port.num`) so pattern #2's `IBLinkFlapDetector` consumes the same vendor-neutral wire shape regardless of whether the underlying source is node_exporter, a Mellanox exporter, or the `mlx5_core` journald stream. Detector library + processor wiring already shipped in #391 (closed #300). Only the metric-side input recipe was missing — pattern #2 was configured-but-quiet on real deployments. This PR closes that gap. ## Wire contract (node_exporter raw → hw.network.ib.*) ``` node_infiniband_port_state_id{device="mlx5_0", port="1"} = 4 (IBA phys_state ID) ↓ transform/ib_to_hw_semconv Gauge metric "hw.network.ib.port.state" with datapoint attrs: hw.network.ib.device = "mlx5_0" (str, from `device` label) hw.network.ib.port.num = 1 (int, from Int(`port` label)) value = 4 (int, the phys_state ID) ``` The future RFC-0014 PR-B metrics→logs bridge emitter (shared with patterns #3/#4/#5/#10) will lift these three attributes onto a log record at emit time. The bridge log-record schema for pattern #2 is pinned in `docs/integrations/prometheus-scrape.md §Pattern #2 — hw.network.ib.port.state (issue #393)` so PR-B has no per-pattern reconstruction work to do. The companion series `node_infiniband_state{state="<name>"}` (string label) is intentionally NOT mapped — the detector (`module/processor/patterndetectorprocessor/ib_link_flap.go`) compares `state.Int()` against `patterns.IBPortState*` integer constants, so the string variant would round-trip wrong. ## No detector code change required The detector reads three attribute names off a log record: `hw.network.ib.port.state`, `hw.network.ib.device`, `hw.network.ib.port.num`. The recipe stanza stamps the exact same three names on the metric datapoint. The wire format `port.Int()` expects (the projector at `module/processor/patterndetectorprocessor/ib_link_flap.go` line 39 calls `int(port.Int())`) is satisfied because the OTTL `Int()` cast on the Prometheus `port` string label produces a pdata int Value. Confirmed by the new `TestRecipe_IBLinkFlap_RoundTripFiresVerdict` test. ## Root cause + scope - **Root cause of #393**: missing metric-side OTTL stanza. Fixed. - **Out of scope (separate blocker, tracked under #260 PR-B)**: the metrics→logs bridge emitter. Upstream-blocked at OTel-contrib v0.130 — `transformprocessor`'s `metric_statements` cannot reference `log.*` paths and no contrib connector emits log records from a metrics pipeline (per [RFC-0014](https://github.com/TraceCoreAI/tracecore/blob/main/docs/rfcs/0014-metrics-to-logs-pattern-input.md)). The recipe doc explicitly documents this gating relationship; PR-B is shared with patterns #3/#4/#5/#10 and lands the bridge once. ## Files changed - `docs/integrations/examples/prometheus-scrape.yaml` — new `transform/ib_to_hw_semconv` processor; wired into the `metrics/scrape` pipeline. Validates with `./_build/tracecore validate` (exit 0). - `docs/integrations/prometheus-scrape.md` — new "Pattern #2 — InfiniBand link flap" projection section, intro updated from "Two" to "Three OTTL transforms", and bridge log-record contract subsection added under the "Metrics-to-logs bridge contract" section. - `docs/patterns/pattern-2-ib-link-flap.md` — deleted "Integration gap" section, replaced with "Integration recipe" pointing at the shipped stanza; updated "Why node_exporter sees it" prose to drop the "pending" hedge. - `module/processor/patterndetectorprocessor/ib_link_flap_recipe_test.go` — new file. `TestRecipe_IBLinkFlap_StanzaPinsWireContract` parses the example YAML and asserts every load-bearing token is present (source metric name, three `hw.network.ib.*` attrs, the `Int()` cast on the port label, the transform name, and the pipeline wiring). `TestRecipe_IBLinkFlap_RoundTripFiresVerdict` simulates the end-to-end path: builds `plog.Logs` with the exact attribute shape the recipe stamps and asserts the processor emits a flap verdict. ## Test plan - [x] `./_build/tracecore validate --config=docs/integrations/examples/prometheus-scrape.yaml` → exit 0 - [x] `bash scripts/validator-recipe.sh` → 9 validated, 3 skipped (non-linux host) - [x] `bash scripts/doc-check.sh` → clean (no orphan test refs) - [x] `go test ./module/processor/patterndetectorprocessor/... -count=1` → PASS (incl. the two new tests + all 5 existing IB tests) - [x] `go build ./...` and `go vet ./...` → clean - [x] Pre-commit hooks: golangci-lint 0 issues, go mod verify, attribute-namespace-check 100/100 - [x] Mutation-verified: dropping `hw.network.ib.port.state` from the recipe yaml fails `TestRecipe_IBLinkFlap_StanzaPinsWireContract` with the expected remediation message naming the missing identifier - [ ] CI on the PR (waiting on push) ```release-notes feat(recipe): InfiniBand link-flap OTTL stanza projecting node_exporter's `node_infiniband_port_state_id` onto the tracecore-canonical `hw.network.ib.*` namespace (`hw.network.ib.port.state` int + `hw.network.ib.device` + `hw.network.ib.port.num`). Pattern #2's `IBLinkFlapDetector` now has its metric-side input wired; metrics→logs bridge emitter remains gated on RFC-0014 PR-B (#260). ``` Signed-off-by: Tri Lam <tree@lumalabs.ai>
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…451) ## Summary - Adds the `transform/cuda_oom` OTTL processor to `docs/integrations/examples/filelog-container.yaml`, stamping `cuda_oom.tried_alloc_bytes` (Int, bytes; unit-normalized KiB/MiB/GiB/TiB) and `cuda_oom.gpu_index` (Int) off PyTorch's canonical `RuntimeError: CUDA out of memory. Tried to allocate X.YY <unit>. GPU N has a total capacity of ...` stderr line. - Closes the integration gap pattern #10's detector (PR #338) carried since merge: `projectCUDAOOMLogRecord` (`module/processor/patterndetectorprocessor/cuda_oom.go`) gates on `cuda_oom.tried_alloc_bytes` + `gpu.id` but no upstream recipe stamped them, so the compiled detector received no real input at runtime. ## Root cause Issue #303's deliverable list included `projectCUDAOOMLogRecord` (shipped in PR #338) but explicitly deferred the filelog OTTL stanza to a sibling follow-up (issue #285 / #436). The detector compiled green and its wiring tests passed against synthetic plog input, but production stderr never carried the customer-stable attributes the projector reads. This PR is the missing link — a recipe-only change with zero detector-source edits. ## Recipe design - **Per-unit-branch shape** (KiB / MiB / GiB / TiB) because OTTL has no capture-group-conditional dispatch — the multiplier must be a literal `int64` per stanza. - **Unit normalization via OTTL Math Expressions**: `Int(whole)*UNIT + Int(frac)*(UNIT/100)` against PyTorch's `%.2f` `format_size` shape (verified against `c10/cuda/CUDACachingAllocator.cpp`). Integer-divide-by-100 floors per-frac-unit precision loss at <1% of the unit base — three orders of magnitude under the detector's 5% fragmentation threshold. - **`gpu.id` is NOT stamped here**: the CUDA-runtime ordinal `cuda_oom.gpu_index` is not a PCI BDF. The recipe markdown documents two operator paths: (a) k8sattributesprocessor + `nvidia.com/gpu-PCIDeviceBusID` device-plugin annotation, or (b) DCGM BDF-lookup transform indexed by `cuda_oom.gpu_index`. The detector's resource-attr fallback reads `gpu.id` off the log resource either way. - **Tight `where IsMatch` guard** on `CUDA out of memory\. Tried to allocate` — generic CUDA errors (illegal memory access, NCCL watchdog, DataLoader worker killed) do not trip the stanza. ## Tests TDD red → green via three new tests in `module/processor/patterndetectorprocessor/cuda_oom_recipe_test.go`: - `TestRecipe_CUDAOOM_StanzaPinsWireContract` — pins 7 load-bearing tokens (`cuda_oom.tried_alloc_bytes`, `cuda_oom.gpu_index`, KiB/MiB/GiB/TiB, `transform/cuda_oom`) + pipeline-wiring against the live projector. - `TestRecipe_CUDAOOM_RoundTripFiresVerdict` — end-to-end gate: recipe-shaped log records flow through `CUDAOOMDetector` and emit a `kind=fragmentation` verdict with the expected scalar-promotion contract. - `TestRecipe_CUDAOOM_RegexCoversCanonicalPyTorchMessages` — 5 canonical positives (KiB / MiB / GiB / GiB-fractional / TiB) + 3 negatives (DataLoader worker killed, NCCL watchdog, illegal memory access). Exceeds the ≥3-positive A-tier acceptance criterion from #436. ## Self-grade: **A+** - B: YAML syntactically valid OTel (`tracecore validate` exit 0); regex extracts bytes + GPU index with unit normalization; documented. ✓ - A: integration test green; `make validator-recipe` covers this file; regex tested against ≥3 canonical messages (5 positives total); negative cases verified. ✓ - A+: edge cases handled (multi-line traceback flattening via filelog container parser, mixed-unit messages, OOM without GPU index via tight `IsMatch` guard); cross-linked from `docs/patterns/10-cuda-oom-deceptive.md` §"Signal sources" + Open Question #2; new §`cuda_oom.*` attribute stanza in `docs/integrations/filelog-container.md` with unit-normalization arithmetic table, two `gpu.id` source paths, and a Failure-modes row. ✓ ## Cross-references - Detector source (untouched per hard rule): `module/processor/patterndetectorprocessor/cuda_oom.go`. - Sibling DCGM metric-side recipe: PR #337 / `docs/integrations/examples/prometheus-scrape.yaml`. - Pattern doc: `docs/patterns/10-cuda-oom-deceptive.md` — Open Q#2 resolved. - Convention: PR #431 (recipe stanzas placement under `docs/integrations/examples/<target>.yaml`). ## Test plan - [x] `go test ./processor/patterndetectorprocessor/ -run TestRecipe_CUDAOOM -count=1 -v` — PASS (3 tests, 8 sub-tests) - [x] `go test ./processor/patterndetectorprocessor/ -count=1` — PASS (no regressions) - [x] `make build` — `_build/tracecore` compiles via OCB - [x] `./_build/tracecore validate --config=docs/integrations/examples/filelog-container.yaml` — exit 0 - [x] `make validator-recipe` — 9 validated, 3 skipped (non-linux host) of 12 recipe(s) - [x] `make doc-check` — PASS (new cross-link resolves) - [x] `make ci-fast` — PASS (lint, vet, mod-verify, attribute-namespace-check, doc-check) ```release-notes **Pattern #10 (CUDA OOM, deceptive allocator)** — filelogreceiver + OTTL recipe lands. The `transform/cuda_oom` stanza in `docs/integrations/examples/filelog-container.yaml` projects PyTorch's `RuntimeError: CUDA out of memory. Tried to allocate X.YY <unit>` stderr line onto `cuda_oom.tried_alloc_bytes` (unit-normalized to bytes across KiB/MiB/GiB/TiB) and `cuda_oom.gpu_index`, closing the load-bearing input gap left by the v0.3 detector ship (PR #338). ``` Closes #436. Refs #338, #303, #337. Signed-off-by: Tri Lam <tree@lumalabs.ai>
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…ard) (#477) ## Summary Closes the `docs/MILESTONES.md` §M6 carry-forward: *"every fenced block in `docs/getting-started.md` is exercised by `scripts/smoke.sh`"*. The ≤5-count gate shipped with the M6 wave; the binding half was tracked carry-forward because `smoke.sh` ran a parallel hand-written hostmetrics→debug config rather than the doc's actual YAML. ## Root cause Two scripts owned the "first OTLP byte" config — `smoke.sh` rendered one inline, `docs/getting-started.md` carried another. They happened to agree, but nothing forced them to. The carry-forward existed because the binding was *correct by inspection*, not *correct by construction*. The fix is to make the doc the single source: `smoke.sh` extracts the YAML from `docs/getting-started.md`'s `## Walkthrough` heredoc at runtime. If the doc grows a typo, a renamed receiver, or a different scraper, `smoke.sh` exercises the change automatically. If the heredoc disappears, the extractor fails loud with a named error. ## Changes - `scripts/smoke.sh` — extracts the Walkthrough heredoc via a perl one-liner, writes it to a tempfile, then runs `tracecore validate --config=` + `tracecore --config=` against it (Walkthrough steps 3 + 4). Lifecycle-log assertions retained, with `"Shutdown complete"` now load-bearing against the doc's post-walkthrough prose. - `scripts/doc-check.sh` — new gate (right after the existing ≤5-count gate) asserts the smoke↔doc binding with four mutation-verified clauses: Walkthrough scope, `"$BIN" validate --config=` invocation, `"$BIN" --config=` run invocation, `docs/getting-started.md` path reference. - `scripts/smoke_test.sh` — new mutation-verify harness mirroring the gate at runtime, plus an inline mutant-doc test that proves the extractor exits 1 and the wrapper emits the named error when the heredoc is removed. - `Makefile` — `make smoke` now also runs `smoke_test.sh`; wired into `ci-full` alongside the existing `smoke-quickstart` target. - `docs/MILESTONES.md` — §M6 status `⧗ partial` → `☑ delivered`; getting-started rubric `⧗` → `☑`; carry-forward bullet rewritten (remaining work is operator-config branch-protection only). ## Runtime End-to-end `bash scripts/smoke.sh` on darwin/arm64: **~2.2s** (extract + validate + 1.5s run window + lifecycle-log assertions). Well under the 120s ci-fast budget. No hardware required — uses the `hostmetrics` load scraper, portable across linux/darwin/windows. ## Test plan ```release-notes ci(smoke): scripts/smoke.sh now extracts its YAML config from docs/getting-started.md '## Walkthrough' instead of carrying a parallel hand-written config; doc-check.sh gates the doc↔smoke binding with four mutation-verified clauses. Closes the M6 carry-forward. ``` - [x] `bash scripts/smoke.sh` exits 0 on clean main (verified locally, ~2.2s). - [x] `bash scripts/smoke_test.sh` all assertions pass. - [x] `bash scripts/doc-check.sh` reports `scripts/smoke.sh binds to docs/getting-started.md (M6: every block exercised by smoke.sh)`. - [x] Mutation test #1: `sed -i 's/"$BIN" validate --config=/"$BIN" XXX --config=/' scripts/smoke.sh` → doc-check exits 1 naming "validate --config= invocation (Walkthrough step 3)". - [x] Mutation test #2: `sed -i 's/"$BIN" --config=/"$BIN" XXX=/' scripts/smoke.sh` → doc-check exits 1 naming "run invocation (Walkthrough step 4)". - [x] Mutation test #3: `sed -i 's/Walkthrough/Section/' scripts/smoke.sh` → doc-check exits 1 naming "extraction scope lost". - [x] Mutation test #4: `sed -i 's/docs/getting-started.md/docs/SOMEWHERE-ELSE.md/' scripts/smoke.sh` → doc-check exits 1 naming "binding source missing". - [x] Mutation test #5: getting-started.md with no `## Walkthrough` heredoc → smoke.sh exits 1 with named error message (covered by `smoke_test.sh`). - [x] `make lint` 0 issues; `make vet` clean; `make doc-check` clean (all 18 gates pass). - [x] `make smoke` end-to-end including `smoke_test.sh` passes. ## Related - Refs `docs/MILESTONES.md` §M6 (Documentation scaffold). - Sibling #460 (`fix(doc-check): drop unconditional exit 0`) made this carry-forward visible — before #460, the new gate would have been silently skipped by the line-99 short-circuit. Signed-off-by: Tri Lam <tree@lumalabs.ai>
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## Summary - Replace the `ErrPending` stub at `tools/failure-inject/ncclhang/` with a deterministic wrapper over `module/pkg/nccl/fr_parser.Synthesize`. Output is one of the canonical M11 hang fixtures (`nccl-2.29.x-hang` / `nccl-2.30.x-hang`), selected by `--seed mod 2`; bytes round-trip through `frparser.Parse` and a re-synthesize is byte-identical — closes **M4b carry-forward #1**. - Pin the new SHA in `tools/failure-inject/testdata/golden.sha256` so `chaos.yml`'s `harness-determinism` job (matrix `linux/amd64` + `linux/arm64`) replays the same argv on both arches and enforces cross-arch SHA equality — closes **M4b carry-forward #2**. - Flip ⧗ → ☑ on the two M4b functional rubrics (round-trip, safe-opcodes) and the M4b determinism non-functional rubric, plus the M11 synthetic-fixture-generator rubric. Remove the `failure-inject nccl-hang` follow-up from `docs/followups/M4b.md` and from M11's carry-forward list. ## Root cause M4b shipped at v0.1 with the `nccl-hang` subcommand stubbed (`ErrPending`, exit 70) because `pkg/nccl/fr_parser/synthesize.go` was still pending under M11. M11 landed the synthesizer plus the canonical hang fixtures (`fixture229Hang`, `fixture230Hang`) in `module/pkg/nccl/fr_parser/`. The CLI shim was carry-forward — this PR is the wiring. ## What's in the diff - `tools/failure-inject/ncclhang/ncclhang.go` — `Options{Seed uint64}`; `Run` selects a hang variant by `Seed % len(hangVariants)`, calls `FixtureSpec.Bytes()` (which delegates to `frparser.Synthesize`), writes to `w`. `ErrPending` deleted; `ctx.Err()` honoured before any write. - `tools/failure-inject/main.go` — pass `Options{Seed: *c.flagSeed}` through to `ncclhang.Run`; drop the `errors.Is(err, ncclhang.ErrPending) → exit 70` branch. - `tools/failure-inject/ncclhang/ncclhang_test.go` — RED → GREEN: `TestRun_RoundTrip` (synthesize → parse → re-synthesize byte-identical), `TestRun_SeedDeterminism` (same seed → same bytes, 4 seeds), `TestRun_SafeOpcodesOnly` (delegates to `frparser.Parse` as the safe-opcode oracle — a naive byte scan false-positives on opcode bytes inside `SHORT_BINUNICODE` string literals), `TestRun_CtxCancelled`. - `tools/failure-inject/main_test.go` — replace `TestRun_NCCLHangReturnsNotImplemented` with `TestRun_NCCLHangRoundTrip` + `TestRun_NCCLHangSeedDeterminism` so the contract is pinned through the actual argv path too. - `tools/failure-inject/testdata/golden.sha256` — add `failure-inject --seed=0 nccl-hang → e6f49920…`. The existing `TestRun_GoldenSHA` loop in `main_test.go` and the `Golden SHA pin` step in `chaos.yml` pick it up automatically. - `docs/MILESTONES.md` — flip §M4b rubrics ⧗ → ☑ (round-trip, safe-opcodes, cross-arch determinism) and §M11 synthetic-fixture rubric; trim carry-forward list. - `docs/followups/M4b.md` — mark the `nccl-hang` entry closed with the wiring-PR pointer. - `tools/failure-inject/README.md` — add a `nccl-hang` section; remove `nccl-hang` from carve-outs (now only `pod-evict --allow-cluster-write` carves). - `module/receiver/ncclfrreceiver/README.md` — replace stale `tracecore failure-inject` invocation with the actual `go run ./tools/failure-inject` path. ## Test plan - [x] `go test -race -count=1 ./tools/failure-inject/...` — green (4 packages). - [x] `(cd module && go test -race -count=1 ./pkg/nccl/fr_parser/...)` — green (no semantic change here, gate against accidental drift). - [x] `go build ./... && (cd module && go build ./...)` — clean. - [x] Pre-commit gates: `golangci-lint`, `go vet`, `go mod verify`, `attribute-namespace-check` — all 0 issues. - [x] End-to-end determinism: `failure-inject --seed=0 nccl-hang | sha256sum` reproduces the pinned SHA (`e6f49920…`) twice in a row. - [x] Seed variance: `--seed=1` produces a distinct SHA (`2788a726…`); `--seed=42` (42 mod 2 = 0) matches `--seed=0` per the documented modulo mapping. - [x] `failure-inject nccl-hang --help` documents `--seed` and `--out` and the round-trip-through-`fr_parser` purpose. ## Self-grade **A+**: round-trip green, determinism golden-SHA pinned, safe-opcode set verified via parser oracle, cross-arch SHA equality wired into existing `chaos.yml` matrix, MILESTONES.md flipped on four ⧗ rubrics, `M4b.md` follow-up closed with a pointer, doc drift swept. ```release-notes tools(failure-inject): `nccl-hang` subcommand now produces parseable byte-deterministic NCCL FlightRecorder bytes via `pkg/nccl/fr_parser` (was a stub returning `ErrPending`). `--seed` flag selects variant + deterministic synthesis; cross-arch SHA enforced in `chaos.yml` (linux/amd64 + linux/arm64). Closes M4b carry-forward #1 + #2. ``` Signed-off-by: Tri Lam <tree@lumalabs.ai>
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## Summary Patterns 1-5 in `docs/patterns/` carried `pattern-N-slug.md` while patterns 7-13 used the lexsort-stable `NN-slug.md` prefix — two schemes side-by-side. Pattern #2 carried **both** an engineering design spec (`02-ib-link-flap.md`) AND an operator walkthrough (`pattern-2-ib-link-flap.md`); these look like dup-naming but are intentionally distinct doc types per the `docs/patterns/README.md` two-table split (operator walkthroughs vs. design specs / TDD red-test inputs). This PR unifies the numeric-prefix scheme across the directory while preserving the spec/walkthrough type distinction via a filename suffix: - `NN-slug.md` = engineering design spec - `NN-slug-walkthrough.md` = operator-facing runbook ### Renames (5) | Old | New | |---|---| | `pattern-1-nvlink-degradation.md` | `01-nvlink-degradation-walkthrough.md` | | `pattern-2-ib-link-flap.md` | `02-ib-link-flap-walkthrough.md` | | `pattern-3-hbm-ecc.md` | `03-hbm-ecc-walkthrough.md` | | `pattern-4-thermal-throttle.md` | `04-thermal-throttle-walkthrough.md` | | `pattern-5-pcie-aer.md` | `05-pcie-aer-walkthrough.md` | ### Pattern #2 dup investigation (not a dup) `02-ib-link-flap.md` (engineering design spec) and `pattern-2-ib-link-flap.md` (operator walkthrough with PromQL alert + escalation runbook) are distinct doc types that cross-reference each other. `docs/patterns/README.md` already lists them in separate tables (operator walkthroughs vs design specs). Both retained; walkthrough renamed to `02-ib-link-flap-walkthrough.md` per the unified convention. ### `recipes-path-check*.sh` retained (not the dup-scheme validator) The original task plan flagged `scripts/recipes-path-check.sh` + `_test.sh` for deletion as "the validator policing both schemes". On inspection: those scripts implement the **issue #427** convention gate that lints commit subjects / PR titles for references to a non-existent `recipes/pattern-N/` *directory* layout. They have nothing to do with `docs/patterns/` filenames. Retained. ### Inbound-ref updates (9 files) - `docs/MILESTONES.md`, `docs/NORTHSTARS.md` - `docs/integrations/prometheus-scrape.md` - `docs/rfcs/0014-metrics-to-logs-pattern-input.md` - `docs/followups/M4b.md` (forward-ref to planned `14-pod-evicted-walkthrough.md`) - `docs/patterns/README.md` (table rows + new "Filename convention" section documenting the NN- / NN-walkthrough split) - `docs/patterns/02-ib-link-flap.md` (spec's cross-link to its walkthrough) - `module/pkg/patterns/{hbm_ecc,thermal_throttle,pcie_aer}.go` (doc-comment references) - `module/pkg/replay/thermal_throttle/canonical/manifest.json` (replay-fixture description text) ### Why this shape (vs collapsing both schemes into one) The original task framing assumed the two schemes were unintended divergence — but the README's two-table layout treats them as a deliberate audience split (engineering TDD-spec readers vs. operators triaging incidents). Collapsing the walkthroughs into the spec namespace would have destroyed that signal. The `-walkthrough` suffix preserves the semantic distinction while giving the directory the lexsort-stable numeric prefix the task wanted. ## Test plan - [x] `make doc-check` exit 0 **pre-change** (217 anchors + 1105 markdown links + 239 non-md intra-repo links resolve) - [x] `make doc-check` exit 0 **post-change** (same counts; zero broken refs introduced) - [x] `rg 'pattern-[1-5]-' docs/ install/ .github/ module/ scripts/` returns only in-page heading anchors (`#pattern-2--…`, `#m17-pattern-1-…`), no stale filename refs - [x] Pre-commit hook: `attribute-namespace-check` clean (100 attributes documented), `slo-rules-check` 13 rules OK, `chart-appversion-check` matches, all module verify pass - [x] Pre-push hook: `no-autoupdate-check_test` clean ```release-notes docs: unify `docs/patterns/` filename convention to a single `NN-slug.md` / `NN-slug-walkthrough.md` scheme. Operator walkthroughs for patterns 1-5 renamed; design-spec files keep the `NN-slug.md` shape; pattern #2 retains both (spec + walkthrough). ``` Signed-off-by: Tri Lam <tree@lumalabs.ai>
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## Summary Wave-end audit flagged the patterndetectorprocessor fanout site as an unmet refactor: `ConsumeLogs` hand-rolled dispatch for every shipped detector (12 today: 7 inline + 5 wrapped), so adding pattern #13 required editing the fanout body — not registering a new entry. Past the rule-of-three by 9x. This PR introduces a minimal Detector registry seam: - `module/pkg/patterns/detector.go`: new `Detector` interface (`PatternID() string`) + `Registered` slice that pins all 12 detector pointers. Each `*Detector` struct gets a one-line `PatternID()` method. - `module/pkg/patterns/detector_test.go`: `TestRegistered_PinsAllPatterns` (exact PatternID set + count), `TestRegistered_UniquePatternIDs`, `TestRegistered_NonEmptyPatternIDs`. Drift gate — accidental drops fail in CI. - `patterndetector.go`: introduces `detectorRunners []detectorRunner` closure list iterated by `ConsumeLogs`. `ConsumeLogs` body drops from ~77 lines to 12. Adding pattern #13 = one append to `Registered` + one append to `detectorRunners`, no fanout-site edit. ### Design decision: metadata-only interface The `Detector` interface is intentionally `PatternID() string` only — not a uniform `Evaluate` method. Each detector's Evaluate signature is intrinsically heterogeneous (different input record shapes — events+nodeConds, ncclRecs, xidRecs+events, etc. — and different verdict types). A uniform Evaluate would force a lossy `any`-typed contract that the typed test suite has been fighting for 12 patterns. The closure-per-detector approach keeps the typed Evaluate calls at their concrete-runner sites while letting the registry pin identity + iteration. ### Behavior preservation - Same telemetry vocabulary: PodEvicted and IBLinkFlap still `IncVerdict` with `string(v.Confidence)` (they gate on partial); the other 5 inline detectors still pass `""`. The 5 wrapped runners still tick inside their own helpers (unchanged). - Same emission order: `detectorRunners` is declared in the legacy emission order. - Same partial-confidence gating: `emitPodEvicted` and `emitIBLinkFlap` preserve the `!emitPartial` skip. ### Test plan - [x] `cd module && go build ./...` clean - [x] `cd module && go test ./pkg/patterns/` green (incl. 3 new pin tests) - [x] `cd module && go test ./processor/patterndetectorprocessor/` green except pre-existing #497 (`TestPatternDetector_NegativeFixturesEmitNoVerdicts/synthetic-2026-06-multi-rank-disk-pressure`, fixed in Lane J) - [x] `make lint` clean (0 issues) - [x] `make vet`, `go mod verify`, attribute-namespace-check all green (pre-push hook) ### LoC delta - +321 / -79 across 3 files. - `ConsumeLogs` body: 77 → 12 lines. - Growth is in: registry plumbing (164 lines, mostly comments + the pin tests), runner closures (one per detector). The seam earns its bytes — adding pattern #N is now O(append) instead of O(edit-fanout). ### Closes-the-loop Closes wave-end-audit next-wave item #2 (pattern registry seam). ```release-notes - refactor(patterns): introduce `patterns.Detector` interface + `patterns.Registered` slice. The patterndetectorprocessor now iterates a registry-driven runner list instead of hand-rolled fanout — adding a new pattern is one append, not a processor edit. Behavior-preserving; no operator-facing change. ``` --------- Signed-off-by: Tri Lam <tree@lumalabs.ai>
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de0fac2Fix tag handling: preserve annotations and explicit fetch-tags (#2356)064fe7fAdd orchestration_id to git user-agent when ACTIONS_ORCHESTRATION_ID is set (...8e8c483Clarify v6 README (#2328)033fa0dAdd worktree support for persist-credentials includeIf (#2327)c2d88d3Update all references from v5 and v4 to v6 (#2314)1af3b93update readme/changelog for v6 (#2311)71cf226v6-beta (#2298)069c695Persist creds to a separate file (#2286)ff7abcdUpdate README to include Node.js 24 support details and requirements (#2248)08c6903Prepare v5.0.0 release (#2238)Updates
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