feat(node): expose OTLP log and metric APIs - #782
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🧰 Additional context used📓 Path-based instructions (14)crates/node/**/*.{js,ts,jsx,tsx,json}📄 CodeRabbit inference engine (.agents/skills/test-node-binding/SKILL.md)
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crates/node/**/*.{ts,tsx,d.ts}📄 CodeRabbit inference engine (.agents/skills/test-node-binding/SKILL.md)
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**/*.{rs,py,js,mjs,ts,go,c,h}📄 CodeRabbit inference engine (AGENTS.md)
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**/*.{rs,py,js,mjs,ts}📄 CodeRabbit inference engine (AGENTS.md)
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**/*.{rs,py,go,js,ts,html,md,mdx,toml}📄 CodeRabbit inference engine (CONTRIBUTING.md)
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**/*.{rs,py,go,js,ts}📄 CodeRabbit inference engine (CONTRIBUTING.md)
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**/*📄 CodeRabbit inference engine (CONTRIBUTING.md)
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**/*.{rs,py,pyi,go,js,ts}📄 CodeRabbit inference engine (.agents/skills/add-binding-feature/SKILL.md)
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**/*.{js,ts}📄 CodeRabbit inference engine (.agents/skills/add-binding-feature/SKILL.md)
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**/*.{md,mdx,rs,py,go,js,ts}📄 CodeRabbit inference engine (.agents/skills/maintain-observability/SKILL.md)
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**/*.{py,rs,go,js,jsx,ts,tsx}📄 CodeRabbit inference engine (.agents/skills/validate-change/SKILL.md)
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**/*.{js,jsx,ts,tsx}📄 CodeRabbit inference engine (.agents/skills/validate-change/SKILL.md)
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crates/{python,ffi,node}/**/*⚙️ CodeRabbit configuration file
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{crates/**/tests/**,python/tests/**,go/nemo_relay/**/*_test.go}⚙️ CodeRabbit configuration file
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🧠 Learnings (2)📓 Common learnings📚 Learning: 2026-05-07T18:04:44.387ZApplied to files:
🔇 Additional comments (2)
WalkthroughThe Node bindings add OpenTelemetry log and metric configuration and subscribers. They add event schemas, log severity, metric types, atomic metric publication, and pending-mark metadata preservation. The observability schema version changes from 3 to 4. ChangesNode observability extensions
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟡 Moderate · up to Direct log and metric subscriber configuration does not resolve and validate exporter headers from environment-backed settings, so deployments relying on those headers may fail to authenticate or export telemetry. This bounded integration issue should be fixed or explicitly accepted before merge. Sequence Diagram(s)sequenceDiagram
participant NodeAPI
participant OpenTelemetryLogSubscriber
participant OTLPLogs
participant OpenTelemetryMetricSubscriber
participant OTLPMetrics
NodeAPI->>OpenTelemetryLogSubscriber: emit event with schema and severity
OpenTelemetryLogSubscriber->>OTLPLogs: export logs to /v1/logs
NodeAPI->>OpenTelemetryMetricSubscriber: publish MetricMeasurement
OpenTelemetryMetricSubscriber->>OTLPMetrics: export metrics to /v1/metrics
Possibly related PRs
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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License DiffCompared against Lockfile license changesLockfile License ChangesRustAdded
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NodeAdded
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Signed-off-by: Bryan Bednarski <bbednarski@nvidia.com>
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Inline comments:
In `@crates/node/src/api/mod.rs`:
- Around line 305-397: Extend OpenTelemetryLogConfig and
OpenTelemetryMetricConfig with the environment-backed header input, resolve it
during build_otel_log_config and build_otel_metric_config activation, and
validate missing, blank, or duplicate resolved values before applying headers to
the core configurations. Reuse the existing header-environment parsing and
validation path, alongside parse_string_map for static headers, and add tests
covering valid resolution plus each rejected state.
In `@crates/node/tests/otel_tests.mjs`:
- Around line 243-247: Update the OTEL tests around the log and metric requests
to use assertBodyContains instead of only checking request.body.length,
asserting that the log payload contains log_mark and the metric payload contains
relay.tokens. Keep the existing request URL assertions and flush/request
sequencing unchanged.
- Around line 195-196: Extend the lifecycle tests for both subscriber types
around register and deregister: assert that registering the same log name twice
fails, then assert the first deregister succeeds and a second deregister of the
missing name returns false. Keep the existing successful lifecycle assertions
intact.
In `@crates/node/tests/public_observability_api_fixture.ts`:
- Around line 15-45: Update the fixture’s event call to pass a valid DataSchema
value instead of null, then invoke register, deregister, forceFlush, and
shutdown for both logSubscriber and metricSubscriber so each new positional and
lifecycle API is type-checked.
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crates/node/README.mdcrates/node/observability.d.tscrates/node/observability.jscrates/node/plugin.d.tscrates/node/src/api/mod.rscrates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/tests/llm_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/tests/scope_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjs
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**/*.{md,rst,html,txt}
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/assets/nvidia-style-brand-terminology.md)
**/*.{md,rst,html,txt}: Always spellNVIDIAin all caps. Do not useNvidia,nvidia,nVidia,nVIDIA, orNV.
Usean NVIDIAbefore a noun because the name starts with an 'en' sound.
Do not add a registered trademark symbol afterNVIDIAwhen referring to the company.
Use trademark symbols with product names only when the document type or legal guidance requires them.
Verify official capitalization, spacing, and hyphenation for product names.
Precede NVIDIA product names withNVIDIAon first mention when it is natural and accurate.
Do not rewrite product names for grammar or title-case rules.
Preserve third-party product names according to the owner's spelling.
Include the company name and full model qualifier on first use when it helps identify the model.
Preserve the official capitalization and punctuation of model names.
Use shorter family names only after the full name is established.
Spell out a term on first use and put the acronym in parentheses unless the acronym is widely understood by the intended audience.
Use the acronym on later mentions after it has been defined.
For long documents, reintroduce the full term if readers might lose context.
Form plurals of acronyms withs, not an apostrophe, such asGPUs.
In headings, common acronyms can remain abbreviated. Spell out the term in the first or second sentence of the body.
Common terms such asCPU,GPU,PC,API, andUIusually do not need to be spelled out for developer audiences.
Files:
crates/node/README.md
**/*.{md,rst,html}
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/assets/nvidia-style-brand-terminology.md)
Link the first mention of a product name when the destination helps the reader.
Files:
crates/node/README.md
**/*.{md,rst,txt}
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/assets/nvidia-style-guide.md)
Spell
NVIDIAin all caps. Do not useNvidia,nvidia, orNV.
Files:
crates/node/README.md
**/*.{md,rst}
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/assets/nvidia-style-guide.md)
**/*.{md,rst}: Format commands, code elements, expressions, package names, file names, and paths as inline code.
Use descriptive link text. Avoid raw URLs and weak anchors such as "here" or "read more."
Use title case consistently for technical documentation headings.
Introduce code blocks, lists, tables, and images with complete sentences.
Write procedures as imperative steps. Keep steps parallel and split long procedures into smaller tasks.
Prefer active voice, present tense, short sentences, contractions, and plain English.
Usecanfor possibility and reservemayfor permission.
Useafterfor temporal relationships instead ofonce.
Preferrefer tooverseewhen the wording points readers to another resource.
Avoid culture-specific idioms, unnecessary Latinisms, jokes, and marketing exaggeration in technical docs.
Spell out months in body text, avoid ordinal dates, and use clear time zones.
Spell out whole numbers from zero through nine unless they are technical values, parameters, versions, or UI values.
Use numerals for 10 or greater and include commas in thousands.
Do not add trademark symbols to learning-oriented docs unless the source, platform, or legal guidance explicitly requires them.
Files:
crates/node/README.md
**/*.{md,mdx,rst}
📄 CodeRabbit inference engine (.agents/skills/review-doc-style/assets/nvidia-style-technical-docs.md)
**/*.{md,mdx,rst}: Use title case consistently for technical documentation headings and table headers; avoid quotation marks, ampersands, and exclamation marks in headings, while preserving official product, event, research, and whitepaper title case.
Format code elements, commands, parameters, package names, expressions, directories, file names, and paths in monospace; represent path placeholders with angle brackets inside monospace.
Format UI buttons, menus, fields, and labels in bold, and separate consecutive UI navigation labels with>.
Use quotation marks for error messages and strings when appropriate, italics for newly introduced terms and publication titles, and plain text for keyboard shortcuts.
Represent GitHub repositories with owner/repository link text, such as[NVIDIA/NeMo](link), rather than generic repository wording.
Introduce every code block with a complete sentence; do not let a code block complete or interrupt the grammar of surrounding prose; use syntax highlighting when supported.
Keep inline method, function, and class references consistent with nearby documentation; omit empty parentheses in prose when no call is shown.
Use descriptive link text matching the destination title when possible; avoid raw URLs, generic anchors, long-sentence links, and unnecessary links that distract from procedures.
Ensure lists have a complete lead-in sentence, more than one item, no more than two levels, parallel construction, one idea or action per item, and appropriate punctuation; use bullets for unordered items and numbers for ordered tasks.
Format definition lists with a bold term followed by a complete, parallel, punctuated definition.
Use tables for reference information, decision support, compatibility matrices, and comparable choices; flag one-row tables, missing captions or lead-ins, sentence-case headers where title case is expected, unexplained empty cells, and code or links that would be clearer as prose.
Write procedure steps as imperative ...
Files:
crates/node/README.md
**/*.{md,mdx}
📄 CodeRabbit inference engine (AGENTS.md)
Keep stable public wrappers at the
scripts/root in docs and examples. Reference namespaced helper paths only when documenting internal maintenance work.
**/*.{md,mdx}: Prefer the documented public API, not internal shortcuts
Keep package names, repo references, and build commands current
When documenting contribution workflow, require an issue before external contribution PRs and note that NVIDIA contributors may use a GitHub or Linear issue.
Update entry-point docs when examples or reading paths change
Keep release-process and release-notes guidance in repo-maintainer docs such as
RELEASING.md, not as user-facing docs pages orCHANGELOG.md
Keep stable user-facing wrappers atscripts/root in docs and examples;
only point at namespaced helper paths when documenting internal maintenance
work
When detailed dynamic plugin guides exist, keep Rust native plugin examples,
Python worker plugin examples, andgrpc-v1protocol details on separate
pages.
Relevant getting-started or reference docs updated
Example commands still match current package names and paths
Dynamic plugin entry pages link to native, worker, Rust example, Python
example, and protocol pages when those pages exist
Images, diagrams, tables, and custom visual content remain legible and
fully accessible at representative desktop and narrow page widths
Release-policy docs still point to GitHub Releases as the only release-history source of truth
Files:
crates/node/README.md
**/*.{rs,py,go,js,ts,html,md,mdx,toml}
📄 CodeRabbit inference engine (CONTRIBUTING.md)
All source files must include an SPDX license header.
Files:
crates/node/README.mdcrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*
📄 CodeRabbit inference engine (CONTRIBUTING.md)
**/*: Every commit in a pull request must include a Developer Certificate of Origin sign-off.
CI must pass before merging.
UseSONAR_IGNORE_START/SONAR_IGNORE_ENDonly for documented false
positives that cannot be resolved in code or by improving the analyzer
configuration.
Keep the ignored block as small as possible, add a brief comment
explaining why the suppression is needed, and call it out in the PR description
so reviewers can explicitly sign off on it.
Keep the first line under 72 characters. Use the body for additional context when the change is not self-explanatory.
**/*: - [ ] Branch scope is coherent and reviewable
Relevant tests passed under
validate-changeDocs and examples updated for any public behavior changes
Pull request title follows Conventional Commit style and uses the correct
type
Use Conventional Commit style for PR titles:
Only check the contribution confirmation boxes when they are true. If either
confirmation cannot be made, stop before opening the PR and surface the blocker.SPDX license header on any new files
**/*: Tool execution callbacks and each execution-interceptnextcontinuation
return the canonicalToolExecutionResult { result, annotation }. A forwarding
intercept must preserve both fields inToolExecutionInterceptOutcome; Relay
retainspending_marksseparately.
Tool sanitize-response guardrails receive
onlyresult.
- Registration and duplicate-name behavior
- Deregistration and no-op missing-name behavior
- Ordering by priority
- Callback failure policy, including fail-open behavior when required
- Scope-local registration, inheritance, and cleanup on pop
- Parity coverage in every affected binding
**/*: Keep NeMo Relay optional
Use stable, documented framework or plugin APIs
Wrap tool and LLM paths at the correct framework boundary
Preserve the framework's original behavior when NeMo Relay is absent
Integration uses public framework or plugin A...
Files:
crates/node/README.mdcrates/node/tests/llm_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/tests/scope_tests.mjscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/README.md
📄 CodeRabbit inference engine (.agents/skills/contribute-docs/SKILL.md)
Relevant package or crate
README.mdfiles updated when examples or binding guidance changed
Files:
crates/node/README.md
**/*.{md,mdx,rs,py,go,js,ts}
📄 CodeRabbit inference engine (.agents/skills/maintain-observability/SKILL.md)
- Update docs and examples in the same branch.
Files:
crates/node/README.mdcrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
crates/{python,ffi,node}/**/*
⚙️ CodeRabbit configuration file
crates/{python,ffi,node}/**/*: Treat binding changes as public API changes. Check for parity with the other language bindings, FFI ownership/lifetime safety,
callback error propagation, stable type conversion, and consistent async/stream semantics.
Flag changes that update one binding without corresponding tests or documentation for the same surface elsewhere.
Files:
crates/node/README.mdcrates/node/tests/llm_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/tests/scope_tests.mjscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*.{rs,py,js,mjs,ts,go,c,h}
📄 CodeRabbit inference engine (AGENTS.md)
Keep SPDX headers on source, docs, scripts, and configuration files. The project is Apache-2.0.
Files:
crates/node/tests/llm_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/tests/scope_tests.mjscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*.{rs,py,js,mjs,ts}
📄 CodeRabbit inference engine (AGENTS.md)
Keep async behavior on the existing tokio-based model. Bindings should preserve callback and future lifetimes rather than blocking or hiding async work unexpectedly.
Files:
crates/node/tests/llm_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/tests/scope_tests.mjscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
{crates/**/tests/**,python/tests/**,go/nemo_relay/**/*_test.go}
⚙️ CodeRabbit configuration file
{crates/**/tests/**,python/tests/**,go/nemo_relay/**/*_test.go}: Tests should cover the behavior promised by the changed API surface, including error paths and cross-request isolation where relevant.
Prefer assertions on lifecycle events, scope stacks, middleware ordering, and binding parity over shallow smoke tests.
Files:
crates/node/tests/llm_tests.mjscrates/node/tests/otel_tests.mjscrates/node/tests/observability_plugin_tests.mjscrates/node/tests/tools_tests.mjscrates/node/tests/types_tests.mjscrates/node/tests/public_observability_api_fixture.tscrates/node/tests/scope_tests.mjs
crates/node/**/*.{js,ts,jsx,tsx,json}
📄 CodeRabbit inference engine (.agents/skills/test-node-binding/SKILL.md)
Format changed Node files with
npm run format --workspace=nemo-relay-node
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/observability.jscrates/node/observability.d.ts
crates/node/**/*.{ts,tsx,d.ts}
📄 CodeRabbit inference engine (.agents/skills/test-node-binding/SKILL.md)
Use
npm run check:docstrings --workspace=nemo-relay-nodeto validate public API docstring checks when surface docs changed
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/observability.d.ts
**/*.{rs,py,go,js,ts}
📄 CodeRabbit inference engine (CONTRIBUTING.md)
**/*.{rs,py,go,js,ts}: Run tests for every language affected by your changes. If your change touches the core Rust crate, run tests across all bindings since they all depend on it.
When adding new functionality, include tests in the appropriate test files for each affected language binding.
**/*.{rs,py,go,js,ts}: - [ ] Do all bindings expose the same logical knobs and semantics?
- Does every OpenTelemetry endpoint require a type and nonblank destination?
- Does each endpoint resolve
header_envvalues at activation and reject
missing, blank, or duplicate headers?- Are OpenTelemetry and OpenInference dependencies unconditional rather
than Cargo feature-gated?- Does
enable_full_payloadspreserve complete sanitized LLM request input
and annotations while leaving credential removal and sanitizers active?- Does Relay derive compliant trace and span IDs consistently across typed
OpenTelemetry endpoints while preserving lifecycle parentage?- Are mark events, start/end events, and orphan cases still handled correctly?
- Do examples and docs use each exporter's documented flush/deregister
order before shutdown?- Run the affected Rust crate tests plus
just test-rustif event
fields changed.- Run
just test-python,just test-go, andjust test-nodewhen
binding-native config or lifecycle changed.
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*.{rs,py,pyi,go,js,ts}
📄 CodeRabbit inference engine (.agents/skills/add-binding-feature/SKILL.md)
**/*.{rs,py,pyi,go,js,ts}: 6. Validation
Run the validation matrix from thevalidate-changeskill for the affected
surfaces.
- Tests added in every affected language surface
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*.{js,ts}
📄 CodeRabbit inference engine (.agents/skills/add-binding-feature/SKILL.md)
| Node.js |
camelCase|toolCall|
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/observability.jscrates/node/observability.d.ts
**/*.{py,rs,go,js,jsx,ts,tsx}
📄 CodeRabbit inference engine (.agents/skills/validate-change/SKILL.md)
**/*.{py,rs,go,js,jsx,ts,tsx}: If a language surface changed, always run that language's test target even when
Rust core did not change.
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/src/callable.rscrates/node/observability.jscrates/node/src/types/mod.rscrates/node/observability.d.tscrates/node/src/api/mod.rs
**/*.{js,jsx,ts,tsx}
📄 CodeRabbit inference engine (.agents/skills/validate-change/SKILL.md)
Use
test-node-binding.
Files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/observability.jscrates/node/observability.d.ts
**/*.rs
📄 CodeRabbit inference engine (.agents/skills/test-ffi-surface/SKILL.md)
**/*.rs: Runcargo fmt --allfor all FFI work since it is Rust work
Runjust test-rustto validate FFI changes
Runcargo clippy --workspace --all-targets -- -D warningsto enforce strict linting on FFI workWhen Rust files changed as part of Go work, also run
cargo fmt --all,just test-rust, andcargo clippy --workspace --all-targets -- -D warnings
**/*.rs: Runcargo fmt --allwhen Rust files are changed as part of Node work
Runcargo clippy --workspace --all-targets -- -D warningswhen Rust files are changed as part of Node work
Runjust test-rustwhen Rust files are changed as part of Node work
**/*.rs: UseJson = serde_json::Valuein Rust-facing runtime APIs where the existing code expects JSON payloads.
UseResult<T>withFlowErrorin core runtime paths. Keep errors explicit and binding-appropriate at the wrapper layer.
**/*.rs: Formatting:cargo fmt(rustfmt defaults)
Linting:cargo clippy -- -D warnings-- all warnings are treated as errors
Dependency auditing:cargo deny check-- configured indeny.toml
**/*.rs: If any Rust code changed, also runcargo fmt --all.
If any Rust code changed, also runcargo clippy --workspace --all-targets -- -D warnings.
Usetest-rust-core. This always includesjust test-rust,
cargo fmt --all,cargo clippy --workspace --all-targets -- -D warnings,
and the full matrix across Rust, Python, Go, and Node.js.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
**/*.{rs,py}
📄 CodeRabbit inference engine (AGENTS.md)
Follow binding naming conventions: Rust and Python
snake_case, C FFI exports prefixednemo_relay_, GoPascalCasefor public APIs, Node.jscamelCase.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
**/*.{rs,c,h}
📄 CodeRabbit inference engine (CONTRIBUTING.md)
Use the naming conventions appropriate to each language: Rust
snake_case, C FFI exports prefixednemo_relay_, GoPascalCase, Node.jscamelCase, Pythonsnake_case.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
**/*.{rs,toml}
📄 CodeRabbit inference engine (.agents/skills/prepare-pr/SKILL.md)
**/*.{rs,toml}: - [ ] Any Rust change ranjust test-rust
- Any Rust change ran
cargo fmt --all- Any Rust change ran
cargo clippy --workspace --all-targets -- -D warningsIf any Rust code changed, always run
just test-rust.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
crates/node/src/**/*.rs
📄 CodeRabbit inference engine (.agents/skills/add-binding-feature/SKILL.md)
- Node.js binding in
crates/node/src/api/mod.rs
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
{crates,python}/**/*.{rs,py}
📄 CodeRabbit inference engine (.agents/skills/maintain-dynamic-plugins/SKILL.md)
Rust and Python SDKs expose every supported registration surface.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
**/*.{rs,h,c,cc,cpp}
📄 CodeRabbit inference engine (.agents/skills/validate-change/SKILL.md)
Use
test-ffi-surface.
Files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
🧠 Learnings (9)
📓 Common learnings
Learnt from: CR
Repo: NVIDIA/NeMo-Relay PR: 0
File: .agents/skills/add-binding-feature/SKILL.md:0-0
Timestamp: 2026-08-15T00:46:41.611Z
Learning: Applies to crates/node/src/**/*.rs : - [ ] Node.js binding in `crates/node/src/api/mod.rs`
📚 Learning: 2026-08-13T13:35:00.808Z
Learnt from: willkill07
Repo: NVIDIA/NeMo-Relay PR: 761
File: crates/plugin/README.md:80-81
Timestamp: 2026-08-13T13:35:00.808Z
Learning: When documenting NVIDIA/NeMo-Relay in Markdown files, if the target documentation has not yet been published, use a descriptive link to the NVIDIA/NeMo-Relay repository instead of an unavailable documentation URL.
Applied to files:
crates/node/README.md
📚 Learning: 2026-07-14T02:53:44.529Z
Learnt from: willkill07
Repo: NVIDIA/NeMo-Relay PR: 414
File: crates/node/tests/observability_plugin_tests.mjs:34-34
Timestamp: 2026-07-14T02:53:44.529Z
Learning: Do not flag camelCase style violations for keys returned by observability plugin configuration helpers (e.g., `observability.otlpConfig()` and similar helpers like `atofConfig()` / `atifConfig()`) in the Node observability module and its tests. These helpers intentionally return the snake_case plugin configuration schema consumed by `plugin.initialize()` and written/read via TOML. This is distinct from the Node public API / native subscriber options (e.g., fields like `attributeMappings`) which follow the camelCase guideline; only the plugin-config schema helpers should be exempt.
Applied to files:
crates/node/tests/observability_plugin_tests.mjscrates/node/observability.js
📚 Learning: 2026-05-07T18:04:44.387Z
Learnt from: mnajafian-nv
Repo: NVIDIA/NeMo-Flow PR: 67
File: integrations/openclaw/src/modules.ts:1-2
Timestamp: 2026-05-07T18:04:44.387Z
Learning: In NVIDIA/NeMo-Flow, TypeScript source files should use `//` line comments for SPDX headers (e.g., `// SPDX-FileCopyrightText: ...` and `// SPDX-License-Identifier: ...`) rather than C-style block comments (`/* ... */`). The repo’s copyright checker enforces this mapping, so `//` SPDX headers in `.ts` files should not be flagged as a style violation.
Applied to files:
crates/node/tests/public_observability_api_fixture.tscrates/node/plugin.d.tscrates/node/observability.d.ts
📚 Learning: 2026-08-03T19:55:03.931Z
Learnt from: afourniernv
Repo: NVIDIA/NeMo-Relay PR: 558
File: crates/pii-redaction/src/rampart/mod.rs:265-274
Timestamp: 2026-08-03T19:55:03.931Z
Learning: In NeMo Relay first-party plugin registration helpers, treat the documented duplicate-registration `PluginError::RegistrationFailed` result from `register_plugin` as success when registration is intended to be idempotent. Do not locally reclassify this as `PluginError::Conflict`; changing the classification requires a core-wide review of the public API and FFI behavior.
Applied to files:
crates/node/src/callable.rscrates/node/src/types/mod.rscrates/node/src/api/mod.rs
📚 Learning: 2026-08-15T00:47:52.176Z
Learnt from: CR
Repo: NVIDIA/NeMo-Relay PR: 0
File: .agents/skills/validate-change/SKILL.md:0-0
Timestamp: 2026-08-15T00:47:52.176Z
Learning: Applies to **/*.{js,jsx,ts,tsx} : Use `test-node-binding`.
Applied to files:
crates/node/tests/scope_tests.mjs
📚 Learning: 2026-07-14T02:53:55.471Z
Learnt from: willkill07
Repo: NVIDIA/NeMo-Relay PR: 414
File: crates/node/observability.d.ts:61-61
Timestamp: 2026-07-14T02:53:55.471Z
Learning: In `crates/node/observability.d.ts` and `crates/node/observability.js`, treat `OtlpConfig`/`otlpConfig` and related helpers as an intentional mirror of the snake_case TOML/plugin configuration schema consumed by `plugin.initialize()`. Do not apply the usual “Node.js public APIs use camelCase” naming review expectation to this plugin-config schema surface. Instead, camelCase review expectations should apply to the native binding surface (e.g., `OpenTelemetrySubscriber`/`OpenInferenceSubscriber` constructors and their `attributeMappings`), which expose camelCase separately.
Applied to files:
crates/node/observability.jscrates/node/observability.d.ts
📚 Learning: 2026-08-03T17:55:34.521Z
Learnt from: afourniernv
Repo: NVIDIA/NeMo-Relay PR: 558
File: crates/node/pii_rampart.js:50-59
Timestamp: 2026-08-03T17:55:34.521Z
Learning: In Node.js helper modules under `crates/node`, use `ComponentSpec` as the public component-wrapper API name, including for wrappers such as `plugin`, `adaptive`, `observability`, `model_pricing`, `pii_redaction`, and equivalent modules like `pii_rampart`. This established API name takes precedence over the general camelCase public API guideline for consistency.
Applied to files:
crates/node/observability.js
📚 Learning: 2026-07-28T23:57:11.641Z
Learnt from: willkill07
Repo: NVIDIA/NeMo-Relay PR: 570
File: crates/node/src/api/mod.rs:3265-3282
Timestamp: 2026-07-28T23:57:11.641Z
Learning: In the Node.js binding, `flushSubscribers()` is Promise-based/async and must be awaited. Any session-close or teardown path (e.g., the OpenClaw live smoke session-close flow) must await `flushSubscribers()` before continuing to live ATIF export assertions and before teardown, so queued subscriber delivery fully completes and tests/assertions observe the final state.
Applied to files:
crates/node/src/api/mod.rs
🪛 LanguageTool
crates/node/README.md
[uncategorized] ~53-~53: Ne zlefe ket bezañ ur c’hemmadur dre vlotaat amañ.
Context: ...ed marks and typed metric measurements. Bare OTLP/HTTP origins resolve to `/v1/tra...
(FAZ_KEMM)
🔇 Additional comments (13)
crates/node/observability.d.ts (1)
89-124: LGTM!Also applies to: 153-162
crates/node/observability.js (1)
13-17: LGTM!Also applies to: 78-136, 170-172
crates/node/README.md (1)
51-55: LGTM!Also applies to: 118-128
crates/node/tests/observability_plugin_tests.mjs (1)
22-22: LGTM!Also applies to: 68-116, 118-143
crates/node/plugin.d.ts (1)
12-15: LGTM!Also applies to: 119-121
crates/node/src/types/mod.rs (1)
16-20: LGTM!Also applies to: 96-218
crates/node/src/api/mod.rs (1)
91-92: LGTM!Also applies to: 400-416, 2344-2402, 3305-3305, 3884-3884, 4294-4294
crates/node/src/callable.rs (1)
35-36: LGTM!Also applies to: 126-156
crates/node/tests/scope_tests.mjs (1)
20-30: LGTM!Also applies to: 401-508
crates/node/tests/llm_tests.mjs (1)
1920-1921: LGTM!Also applies to: 1938-1949
crates/node/tests/tools_tests.mjs (1)
925-931: LGTM!Also applies to: 965-966
crates/node/tests/otel_tests.mjs (1)
10-23: LGTM!Also applies to: 103-104
crates/node/tests/types_tests.mjs (1)
6-8: LGTM!Also applies to: 46-67
Signed-off-by: Bryan Bednarski <bbednarski@nvidia.com>
Signed-off-by: Bryan Bednarski <bbednarski@nvidia.com>
Signed-off-by: Bryan Bednarski <bbednarski@nvidia.com>
|
/merge |
2 participants
Overview
Expose the core OTLP log and metric contracts through the Node.js binding.
This PR is independently rebased on
mainafter #780. It contains only the Node.js/N-API layer and has no branch dependency on the Python, FFI/Go, or dynamic-plugin/docs follow-up PRs. Review and merge it on its own readiness.Details
dataSchemaandseverityarguments to the positionalevent()contract, plus themetric()API.event()argument contract.Validation:
cargo test -p nemo-relay-node --all-targetscargo clippy --workspace --all-targets -- -D warningsjust test-rustuv run pre-commit run --all-filesBreaking changes: none.
Where should the reviewer start?
Start with
crates/node/src/types/mod.rsfor the public types andcrates/node/src/api/mod.rsfor mark emission, subscriber lifecycle, and runtime diagnostics. Then reviewcrates/node/tests/otel_tests.mjsfor the direct OTLP behavior andcrates/node/tests/public_observability_api_fixture.tsfor the public TypeScript contract.Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)