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otel-audit

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更新时间2026年7月12日 11:35

Scan a codebase for existing OpenTelemetry instrumentation and report on observability coverage gaps. Read-only for application code -- writes the audit artifact at .observe/otel.md but does not modify service code. Use when the user types $otel-audit, asks about observability gaps, wants to assess instrumentation coverage, says "what signals am I missing", "scan this service for observability", asks about "observability readiness", asks whether instrumentation can make incidents faster to detect or localize, or asks whether GenAI/LLM workflows follow OpenTelemetry semantic conventions. Do NOT use for implementing code changes -- use $otel-instrument instead.

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Audit -- Observability Coverage Scan

Overview

Scan a service repository to detect its language, framework, dependencies, and existing OpenTelemetry instrumentation. Report what is instrumented, what is missing, and any anti-patterns. This skill is read-only for application code: it writes .observe/otel.md but does not modify service code, dependencies, configuration, or tests.

Before writing .observe/otel.md, read ../references/report-flow-contract.md and follow the Audit Contract plus the Reader-First Report Order.

Process

Step 1 -- Repository Discovery

Scan the repository to determine language, framework, and existing instrumentation.

Detect primary language and framework:
- Go: go.mod
- Python: requirements.txt, pyproject.toml, setup.py
- Node.js: package.json
- Java: pom.xml, build.gradle
- Rust: Cargo.toml
- .NET: *.csproj, *.sln
Identify entry points (main, cmd/, app.py, index.ts, etc.)
Enumerate all HTTP routes with method and path pattern (e.g. GET /tasks, POST /tasks, GET /tasks/{id}). List them explicitly in the report.
Use the Auto-Instrumentation Library Map below to identify which packages should be present for each detected dependency.
Detect incident-readiness ownership: user-visible workflows, dependency calls, background processing, queues/streams, data freshness, auth/edge paths, capacity limits, and release/config context. When any are present or when the user asks for faster incident detection/localization, load ../references/incident-readiness.md. When incidents, postmortems, tickets, alerts, or failure examples are supplied, use its Incident-Evidence Mode and map each failure mechanism to its owning code or platform surface before scoring coverage.
Detect GenAI/LLM ownership: provider clients/model gateways, agents or workflows, tool/function dispatch, MCP when present, retrieval/RAG, model/deployment config, fallback/readiness checks, token accounting, call counts, prompt/response assembly, AI-derived data jobs, AI-path synthetic/canary checks, or usage logging. When any are present, load ../references/genai-readiness.md. Follow its GenAI Semconv Source Contract before scoring GenAI coverage: reconcile detected AI surfaces with official semconv docs when available, record live-or-snapshot provenance, and build a semconv closure matrix. When GenAI incidents, postmortems, alerts, tickets, or failure examples are part of the request, use GenAI incident-evidence mode and map each failure mechanism to provider/model gateway, workflow, tool/function execution or AI-owned session/stream including MCP when present, retrieval/RAG, streaming, token/context, prompt/response parser, safety/policy, AI-derived data, model/config rollout, or AI-owned cache/session evidence.
Record exact evidence paths that should appear in the report:

Dependency manifest: go.mod, package.json, pyproject.toml, pom.xml, etc.
Process entry point: main.go, cmd/.../main.go, app.py, app.js, TasksApplication.java, etc.
Route source: router/controller files such as TaskController.java, app.py, app.js, or kvstore/http.go.
Traffic and readiness clients when they exercise a GenAI path: demo, load, eval, or replay scripts, plus AI-path synthetic or canary scripts such as load_demo.py, smoke.py, scripts/check-*, or tests/e2e/*.
Runtime/startup files when present: Dockerfile, docker-compose.yml, Makefile, package.json scripts, launch configs, worker files.

Inventory project runtime and verification evidence without installing or changing anything:

wrappers and task runners such as mvnw, gradlew, Make, package scripts, tox/nox, Cargo, or solution test projects
toolchain/version files and manifest runtime requirements
lockfiles, CI test commands, devcontainer config, and existing test layout
locally safe compile/type/import/test commands implied by project config Record configured requirements, not the shell's accidental default runtime.

Make one explicit GenAI ownership decision from the completed source scan:

Yes when any provider/model, agent/workflow, tool/MCP, retrieval/RAG, memory/context, evaluation, prompt/response, model/config, token usage, or other AI-path surface is owned by the repository.
No only when the dependency and source scan finds none of those surfaces. Record the decision both as **GenAI ownership detected:** Yes|No near the report status and as an exact GenAI ownership row in ## Audit Evidence. The two values must match.

Step 2 -- Instrumentation Assessment

Check for existing OTel instrumentation and identify gaps. Inventory every signal by type so the report can list them explicitly.

SDK and configuration -- search for:

OTel SDK initialization files (otel_setup.py, instrumentation.ts, otel.go, etc.)
OTel imports/dependencies (opentelemetry, otel, otlp, go.opentelemetry.io)
Auto-instrumentation packages matching detected frameworks/clients
OTEL_SERVICE_NAME, OTEL_EXPORTER_OTLP_ENDPOINT in env files or configs
Per-signal OTLP endpoint and protocol variables. Record the effective pair (grpc with the gRPC receiver, or http/protobuf with /v1/<signal>), not just a host or port. A configured endpoint with an incompatible protocol is a required exporter gap.
Semantic-convention stability opt-ins and when they are set relative to SDK and framework imports. Treat a late opt-in as inactive for already-created instruments.

Provider/exporter topology -- build this per target process and per signal; do not infer it only from the launch command or installed packages.

Find explicit and lazy TracerProvider, MeterProvider, and LoggerProvider construction, global set_*_provider calls, no-op provider branches, exporter construction, resource creation, flush/shutdown, and helpers that initialize providers on first instrument access.
Trace each provider helper from the selected process entrypoint and real startup environment to its recording call sites. Classify each signal as source-active, externally bootstrapped, source-defined but inactive, or no provider; none of these classifications is runtime emission proof.
Keep provider ownership separate by signal. A process can own a real metrics provider while tracing and logs remain disabled. Never describe all OTel as no-op because one startup wrapper lacks opentelemetry-instrument.
For Python repositories, run the bundled scripts/scan_python_otel_topology.py <service-root> before reporting. The scanner finds candidates; reconcile every hit with target-process reachability before using it as evidence.
Reconcile resource precedence. Identify operator-provided OTEL_SERVICE_NAME and OTEL_RESOURCE_ATTRIBUTES, app defaults, detector output, and any merge that overwrites service.name, environment, or version. Preserve operator values and classify hard-coded overwrite as a required resource-identity gap.
For framework instrumentation, record whether the app is instrumented before serving begins. In frameworks that install middleware, instrumentation first invoked inside lifespan/startup can be too late; classify it as partial until source or runtime proof shows middleware was installed before the first request.

Spans inventory -- build a list of every span source:

Auto-instrumentation packages that emit spans (check the "Signals" column in the language reference). Enumerate every individual span name the package produces -- one row per span. Never group spans with vague labels like "HTTP server spans" or "gRPC server spans (all N RPCs)". For example, otelgrpc on a server with methods GetUser and ListUsers produces spans /UserService/GetUser and /UserService/ListUsers -- list each as its own row.
Custom span creation calls: tracer.Start / span.End (Go), tracer.start_as_current_span / tracer.start_span (Python), tracer.startActiveSpan / tracer.startSpan (Node.js), @WithSpan / Span.current() (Java). Record the span name and source file with line number.

Metrics inventory -- build a list of every metric source:

Auto-instrumentation packages that emit metrics (check the "Signals" column). Enumerate every individual metric name the package produces -- one row per metric. Never group metrics with vague labels like "(+ related)" or parenthetical summaries like "(goroutines, memory, GC)". For example, otelgrpc emits rpc.server.call.duration (or the legacy rpc.server.duration on older SDK versions), rpc.server.request.size, rpc.server.response.size, rpc.server.requests_per_rpc, and rpc.server.responses_per_rpc -- list each as its own row. Similarly, runtime.Start() emits process.runtime.go.goroutines, process.runtime.go.mem.heap_alloc, process.runtime.go.gc.count, etc. -- list each individually.
Custom metric registrations: meter.Int64Counter, meter.Float64Histogram, meter.Int64ObservableGauge, meter.Int64UpDownCounter (Go); meter.create_counter, meter.create_histogram, meter.create_observable_gauge (Python); meter.createCounter, meter.createHistogram, meter.createObservableGauge (Node.js). Record the metric name and source file with line number.

Logs inventory -- build a list of OTel log integrations:

OTel log bridge or SDK log packages (opentelemetry-instrumentation-logging for Python, @opentelemetry/instrumentation-winston / @opentelemetry/instrumentation-pino for Node.js).
Trace-context injection into log records (trace_id, span_id fields).
span.AddEvent() / span.add_event() calls used as structured log events.
Logging formatters, filters, adapters, MDC/context variables, access-log formatters, and exception helpers that can add request, user, tenant, session, trace, raw URL, exception text, or traceback data. Check the final formatting path, not only application logger call arguments.
Classify logs as otlp, correlation-only, or not configured. Trace/MDC fields in stdout are not an OTLP log pipeline.

Audit document contract -- the audit is a current-state baseline source scan. Describe the instrumentation and gaps established by current repository evidence. Implementation changes belong in .observe/otel-instrumentation.md.

Verification plan -- derive deterministic inputs for later instrumentation and verification. This is source-derived planning, not runtime proof.

Define reusable test environments for each runnable surface. Give every environment a stable ID and record its configured runtime/toolchain, evidence file, expected project runner, affected module scope, and shared prerequisites once.
Create one scenario per telemetry-distinct user, API, worker, startup, shutdown, error, timeout, streaming, tool, retrieval, or dependency path.
Use stable scenario IDs such as http.search.success, http.search.failure, runtime.startup, or worker.batch.failure.
Map each scenario to its source entrypoint, expected exact signals, and acceptance criteria: span status/attributes/parentage, metric datapoints and dimensions, log body/severity/correlation/redaction, or runtime/exporter behavior.
Classify each scenario's required proof as focused call-site, full runtime, or either. Use full runtime when proof depends on agent or preload startup, framework-resolved route names, automatic metrics, runtime-installed log export, or absence of duplicate automatic spans.
For every exact custom span name or operation entrypoint, create an explicit scenario row. Shared helper implementation is not proof that each operation emits its expected name and topology.
Before writing a scenario, confirm every cited source path and symbol exists with rg -n or a language-aware index. Never hand off a guessed or stale symbol name.
Reference one or more exact test-environment IDs from every acceptance scenario. Put local-safe fixture strategy and missing prerequisites in the environment profile, not repeated prose in each scenario row.
Keep prerequisites explicit. Do not require live credentials when fakes or an existing test seam can exercise the same app code.
Avoid path explosion: combine branches only when they emit identical telemetry; split success/failure or alternate paths when telemetry differs.

Dependencies without instrumentation -- for each dependency detected in Step 1:

Check if a matching auto-instrumentation package is installed
Use the Auto-Instrumentation Library Map below as the checklist
Flag any dependency that has an available auto-instrumentation package but is not instrumented

Operational signal assessment -- express rate, error, latency, and saturation coverage as ordinary entries in ## Current Instrumentation, ## Gaps, or ## Verification Plan with exact source paths and signal names.

Incident readiness assessment -- when the repository owns incident-relevant surfaces or the user asks for faster detection/localization, use ../references/incident-readiness.md to assess API/workflow and customer impact, dependencies, input complexity, freshness, backpressure, synthetic/canary checks, auth/edge, capacity, and release/config context. For incident evidence, classify each proposed signal as MTTD-improving only when it can support a detector before or at first customer impact, localization-only when it mainly narrows an already-detected fault, provider/platform-owned, or unknown owner.

Record current readiness as ### Incident Readiness under ## Current Instrumentation; do not add another top-level report section. Record every missing or partial owned surface in the single prioritized ## Gaps table. The prioritized gap row and its mapped acceptance scenarios form the closure contract for $otel-instrument and $splunk-configure:

Area is the stable human-readable gap identity used downstream.
Required fix names every required signal or exact owner mapping; it must not use a vague label such as add observability.
Instrument mode records whether safe app-owned work is default, broader safe work is fix all, or an external/unsafe choice is manual decision.
The mapped scenario provides the code surface, expected telemetry, proof level, and acceptance criteria.

Split a gap when required signals have different owners, instrument modes, or acceptance criteria. Do not mark a partial surface covered because one span or metric exists, and do not imply that detector configuration can compensate for an absent detector-critical metric.

GenAI readiness assessment -- when GenAI/LLM evidence exists, use ../references/genai-readiness.md to check baseline trace continuity, OpenTelemetry GenAI spans, semconv completeness, GenAI metrics, and privacy/cardinality controls. Add or update ## GenAI Readiness rows for missing workflow, provider/model gateway, model/config rollout, tool/function execution or AI-owned session/stream lifecycle including MCP when present, token/context pressure, retrieval/RAG, streaming response lifecycle, fallback/failover, prompt/response assembly, safety/policy outcome, AI-derived data freshness, memory/context, evaluation quality, framework bridge coverage, content governance, cost ownership, or AI-owned cache/session state signals. For each telemetry-distinct owned surface, write one separate readiness row with its complete required signals. Keep workflow, provider/model, tool/function, token/context, stream/session, retrieval, evaluation/data export, and other distinct surfaces independently actionable for instrumentation closure. For code-owned GenAI pathway gaps, explicitly check for token/context pressure, response parse failure, AI-derived data freshness, prompt/tool schema version, LLM-call count, tool-call count, authentication/authorization result, invalid-token or permission failure outcome, active AI-owned streams or sessions, close reason family, stream duration/outcome, send/write failure, memory hit/miss or stale/missing context, gen_ai.evaluation.result coverage, evaluation score distribution, content capture mode/redaction/access owner, and app-owned cost or owner-mapped billing source when those values are observable. For LLM/model-call coverage, apply the LLM Inference Lifecycle Contract: audit the real lifecycle hook or client call site, not only the outer workflow and final usage aggregation. In LangChain, LangGraph, DeepAgents, callback, or event-stream based systems, look for on_chat_model_start, on_chat_model_end, on_chat_model_error, or an equivalent model-call callback. In direct provider SDK or model-gateway code, look for a span wrapping the provider request or streaming generator. If token/model attributes are present only on a workflow span, final usage event, turn-finalization path, or other workflow-level token accounting, but no chat, generate_content, text_completion, or equivalent inference span exists with gen_ai.operation.name, gen_ai.request.model, and gen_ai.response.model when known, mark trace and semconv coverage partial; do not mark LLM coverage as covered. Keep the missing model-call lifecycle span and attributes in remaining_signals. Apply the Single-Source GenAI Span Contract from the GenAI readiness reference before deciding trace coverage. Inventory framework/vendor bridges, provider SDK hooks, callbacks, middleware, and auto-instrumentors that can emit GenAI spans, then compare them with app-owned spans for the same logical workflow, agent, chat/model call, tool call, retrieval, memory, or evaluation operation. Mark trace and semconv coverage partial when a representative trace or source proof shows both framework/vendor and app-owned spans for the same logical operation, wrapper spans such as middleware or step execution being counted as tools, duplicate model/tool call counts, divergent parentage, or aggregate attributes written to the wrong canonical span. Required closure evidence is one canonical GenAI span source per logical operation. A representative trace must show one GenAI node per logical operation, expected LLM and tool counts, stable model/tool names, correct workflow/agent parent shape, and no wrapper-only spans counted as GenAI work. Audit workflow naming as part of this proof. GenAI workflow names must preserve the application's stable business workflow identity from constants, handlers, workflow registrations, telemetry event names, docs, or prior trace names. Mark workflow coverage partial when instrumentation invents names from HTTP routes, request resources, session/storage concepts, or transport labels. For example, assistant_v3_turn must not become assistant_v3_session_turn or POST /v2/assistant/sessions. Do not invent names from HTTP routes or session-derived labels. Audit agent naming with the same rule. GenAI agent names must preserve the application's stable agent identity from framework agent names, agent factory names, classes, registration names, callback owner names, docs, or prior trace names. Mark agent coverage partial when instrumentation invents generic service-derived names. For example, a DeepAgents-backed agent should be deepagents, not assistant_v3_agent, assistant, or agent. Keep duplicate-span remediation in remaining_signals unless the audit proves either the framework/vendor bridge is canonical and app duplicates are absent, or app-owned spans are canonical and overlapping framework/vendor GenAI instrumentation is disabled, opted out, or suppressed by the app's discovered runtime mechanism. When app-owned spans are canonical and the process uses preload, agent, opentelemetry-instrument, NODE_OPTIONS --require, or another auto-instrumentation bootstrap, audit the launch environment and startup surfaces that run before the bootstrap. Mark duplicate-span remediation partial if the only proof is App module code that mutates environment variables after import, because that is not sufficient proof and framework hooks may already be registered. Accept proof from Makefile targets, service runner scripts, Docker or Helm env, VS Code launch configs, procfiles, systemd units, shell env generators, or the exact documented run command. Also accept generated env scripts when they are sourced before the bootstrap. Also audit parent-context proof for event-derived spans. In representative trace evidence or tests, chat/model and tool spans must preserve the owning workflow/agent context and prove a trace shape such as workflow -> chat, workflow -> execute_tool, and follow-up workflow -> chat or agent -> chat edges. If they appear as siblings of the workflow under a generic HTTP root span or generic server span, mark the trace shape partial and keep parent-context propagation in remaining_signals. Also check long-lived helper/setup spans such as memory store, checkpointer, database session, stream-writer, or resource setup spans. If callback-created chat/tool spans are parented to those helper spans instead of the owning workflow/agent span, mark the trace shape partial; the instrumentation must capture/re-enter the workflow/agent context before opening helper spans and must not rely on whichever current span is active during callback cleanup. Use this rule for memory store, checkpointer, database session, stream-writer, or resource setup paths: helper spans must not become the parent; capture the workflow/agent context before opening helper spans, start event-derived chat and execute_tool spans with that captured context, and write aggregate counters to the workflow span, not to whichever current span is active. For async generator, SSE, WebSocket, ping-loop, or timeout wrapper paths, check whether the stream is advanced with create_task, wait, anext, or equivalent task handoff. If an OpenTelemetry current-span context manager is kept open across those yield/task boundaries, mark the trace shape partial; require an explicit workflow span/context handle that is passed into the callback/event translator and ended manually. Also check whether that workflow/agent context is carried through a request, turn input, event payload, callback state, or config object that may be immutable/frozen. If the instrumentation does not prove that app code will avoid mutating immutable, frozen, or framework-owned carriers, keep parent-context propagation partial; do not mutate those carriers in place. Treat a carrier as immutable/frozen when source evidence shows frozen or readonly declarations, record/value types, no mutation API, framework request immutability patterns, or existing code constructs new copies instead of mutating. Accept app-idiomatic copy/replacement proof such as Python dataclasses.replace, attrs.evolve, pydantic model_copy(update=...) or v1 copy(update=...); Java records, builders, or copy constructors; TypeScript object spread, explicit Readonly<T> replacements, or structuredClone only for plain-data carriers and never for live OTel Context or Span handles; Go value copies with explicit field replacement; or the framework's request clone/with-context API. If no safe copy path exists, require a separate invocation-scoped sidecar context: a local object, context variable, request-scoped map, or callback state keyed to the invocation lifecycle and cleared after cleanup. Do not key sidecar context by raw user, tenant, session, request, or trace IDs. Require a test or explicit static proof that the parent context is passed downstream and the original immutable input remains unchanged; Python tests should guard against FrozenInstanceError where frozen dataclasses or models exist. Audit aggregate placement separately: if gen_ai.usage.input_tokens, gen_ai.usage.output_tokens, gen_ai.usage.total_tokens, assistant.llm.calls, or assistant.tool.calls are written only to a generic HTTP root span, report misplaced aggregate GenAI attributes and require moving them to the workflow span or most specific owning GenAI span. A generic HTTP root span should not be the evidence for a GenAI flow card unless it has an explicit GenAI workflow operation. If incident evidence depends on missed, flapping, auto-resolved, or no-data alerts, record detector reliability evidence as a $splunk-configure handoff instead of an app-owned GenAI instrumentation prerequisite.

For GenAI services and demos, distinguish demo-only environment hints from complete telemetry wiring. If a Makefile, README, script, or example command sets only OTEL_SERVICE_NAME or OTEL_EXPORTER_OTLP_ENDPOINT, but the service has no SDK setup, exporter setup, resource attributes, or framework instrumentation, report that as incomplete resource/exporter configuration rather than covered setup.

GenAI readiness contract -- the ## GenAI Readiness table is the complete instrumentation contract, not background context. For every GenAI readiness gap, create or update a structured surface row with: surface, evidence, current_status, required_signals, owner/source_files, and acceptance_criteria. If an existing audit already has extra metadata columns, keep the surface name as the human-facing identifier in summaries and closure handoffs. Split a surface when required signals have different owners or acceptance criteria. Required signals must be concrete signal names or signal intents, not vague area labels. Use owner values that map directly to instrumentation outcomes: App-owned + patchable, App-owned but unsafe/too large, Provider/platform-owned, or Already covered.

Status must be computed against every required signal:

Ledger result	Rule
`covered`	Every required GenAI signal is proven existing with source path and signal name.
`partial`	Some required GenAI signals exist, but remaining required signals are named.
`missing`	No required app-owned GenAI signal exists.
`owner-mapped`	The repo cannot accurately observe the signal and the provider/platform/deployment owner plus exact missing source is named.

Do not collapse a partial GenAI gap into covered because one metric or span exists. The GenAI Readiness surface row is the source of truth for $otel-instrument and $splunk-configure.

Compute each GenAI surface independently. Generic HTTP/database/runtime or infrastructure metrics do not improve a GenAI surface status unless they satisfy that row's required workflow, model, tool, token, memory, evaluation, or AI-path signals. Use missing when none of the required GenAI signals exists, even if unrelated OTel metrics are source-active.

Deterministic gap section contract -- the audit report has exactly one top-level gap section, named ## Gaps. Record GenAI detail in ## GenAI Readiness table rows and add concise ## Gaps references that point back to the human-readable readiness surface name.

Write ## Gaps as the prioritized table defined in ../references/report-flow-contract.md. Use only required, recommended, or deferred priorities and only default, fix all, or manual decision instrument modes. Put baseline correctness, trace continuity, error attribution, exporter/resource identity, cardinality safety, and duplicate signal ownership in required. Put safe deeper diagnostics, business metrics, and opt-in log export in recommended unless the request already makes them mandatory. Use deferred only for a concrete external owner, prerequisite, or decision. Every row must explain user/operator impact, state a specific fix, and cite the verification scenario IDs that can prove closure. Group related routes and call sites by remediation theme instead of producing a row per edge. When a default GenAI gap involves duplicate or overlapping instrumentation, name the intended canonical owner per logical operation and the pre-bootstrap suppression surface in Required fix. If source evidence cannot support that choice, use manual decision; do not hand $otel-instrument an unresolved "select one canonical source" instruction in a default row.

Evidence and flow contract -- write source evidence as a compact ## Audit Evidence table and create one ## Signal Flow / ### Component Flow Map using the exact marker semantics in report-flow-contract.md. The map is a reader aid, not runtime proof. Show only major process, dependency, and telemetry edges; keep independent roots separate and point human-readable gap markers to the prioritized gap table. Use only [SOURCE-COVERED] and [GAP: <area>] markers.

Anti-patterns -- flag any of these:

Multiple SDK initializations in the same process
Hardcoded OTLP endpoints instead of env vars
Tracer/Meter created in hot paths instead of at startup
High-cardinality attributes on metrics (user IDs, request IDs)
Missing recordException in error handling paths
Custom span names with variable segments (IDs, paths)
Use of community or third-party OTel wrappers when an official OpenTelemetry package exists (e.g. go.opentelemetry.io/contrib, @opentelemetry/*, opentelemetry-*)

For partially instrumented Go services, explicitly check and report:

hardcoded OTLP endpoints such as collector.example.com
otel.Tracer(...) or otel.Meter(...) calls inside request handlers or loops
high-cardinality span names such as GetTask-{id}
missing otel.SetTextMapPropagator(...)
missing MeterProvider, missing service.name, and missing provider shutdown/flush

Step 3 -- Report

Write the report to .observe/otel.md inside the scanned service root (create the .observe/ directory if it does not exist). Also present a concise summary in chat that references the file path.

Use this template for .observe/otel.md:

# Observability Report: {service-name}

**Language:** {language} | **Framework:** {framework} | **Date:** {YYYY-MM-DD}
**Status:** Pass | Partial | Blocked
**GenAI ownership detected:** Yes | No

## Executive Summary
- {most important finding}
- {top missing signal or "No critical gaps detected"}
- {verification handoff summary}
- {recommended next action}

## Flow
`audit -> instrument -> verify -> configure -> configure-verify`

## Audit Evidence

| Check | Finding | Source |
|---|---|---|
| Manifest | {language, framework, dependency finding} | {path} |
| Entry point | {target process finding} | {path} |
| Route source | {route ownership finding} | {path(s)} |
| Runtime/startup | {configured runtime finding} | {path(s) or "none detected"} |
| GenAI ownership | {Yes or No, matching the report declaration} | {owned source paths or repository scan evidence} |

## Routes

| Method | Path |
|--------|------|
| GET | /health |
| GET | /tasks |
| POST | /tasks |
| GET | /tasks/{id} |
| ... | ... |

## Signal Flow

### Component Flow Map

```text
{process entry point} [SOURCE-COVERED]
  -> {framework routes or worker dispatch} [SOURCE-COVERED]
     -> {business operation} [GAP: human-readable area]
     -> {dependency} [SOURCE-COVERED]
  -> {OTLP/export path} [GAP: human-readable area]
```

`[SOURCE-COVERED]` means source/config evidence exists; it is not runtime
emission proof. Each `[GAP: ...]` marker maps to one row below.

## Current Instrumentation

### Spans

List every individual span name -- one row per span. Never group auto-
instrumented spans with vague labels like "HTTP server spans" or
"gRPC server spans (all N RPCs)".

| Name | Source | Type |
|------|--------|------|
| GET /tasks | otelhttp | auto |
| POST /tasks | otelhttp | auto |
| GET /tasks/{id} | otelhttp | auto |
| orders.process | orders/service.go:42 | custom |

If no span sources are found, write: "No spans detected."

### Metrics

List every individual metric name -- one row per metric. Never group auto-
instrumented metrics with vague labels like "(+ related)" or parenthetical
summaries.

| Name | Source | Type |
|------|--------|------|
| http.server.request.duration | otelhttp | auto |
| http.server.active_requests | otelhttp | auto |
| http.server.request.size | otelhttp | auto |
| http.server.response.size | otelhttp | auto |
| orders.processed.count | orders/metrics.go:15 | custom |

If no metric sources are found, write: "No metrics detected."

### Logs

| Integration | Source | Detail |
|-------------|--------|--------|
| trace-context injection | opentelemetry-instrumentation-logging | Injects trace_id/span_id into log records |
| span events | orders/service.go:55 | span.AddEvent("order.validated") |

If no OTel log integrations are found, write: "No OTel log instrumentation detected."

If no OTel packages or setup are found across all three signal types, include
the phrase: "OpenTelemetry instrumentation is missing."

### Incident Readiness

Include this subsection only when incident-readiness ownership exists or the
user asks for faster incident detection/localization.

| Area | Status | Evidence | Required Signals / Gap | Detection / Localization Impact |
|------|--------|----------|------------------------|---------------------------------|
| API/workflow impact | {covered / partial / missing / owner-mapped} | {route/workflow spans and latency/error/outcome metrics} | {missing workflow outcome, status, error class, or latency signal} | {MTTD-improving / localization-only / owner} |
| Dependencies | {covered / partial / missing / owner-mapped} | {client spans/metrics by dependency and operation} | {missing timeout, retry, rate-limit, circuit-breaker, endpoint/target health, or availability signal} | {MTTD-improving / localization-only / owner} |
| Freshness/backpressure | {covered / partial / missing / owner-mapped} | {lag, age, queue depth, consumer lag, dropped count} | {missing freshness, oldest age, drop reason, paused consumer, or saturation signal} | {MTTD-improving / localization-only / owner} |
| Auth/edge/capacity/release | {covered / partial / missing / owner-mapped} | {auth/edge, runtime capacity, health/readiness, and low-cardinality release/config evidence} | {missing failure class, saturation, desired-vs-healthy, readiness/healthcheck, target-health, or rollout context} | {MTTD-improving / localization-only / owner} |

Add, split, or omit example rows to match source-owned surfaces. Every partial
or missing row must map to a prioritized gap-table row and one or more
acceptance scenarios below.

## GenAI Readiness

Include only when GenAI/LLM ownership evidence exists.

| Surface | Status | Evidence | Required Signals | Owner / Source Files | Acceptance Criteria | Detection/Localization Impact |
|---------|--------|----------|------------------|----------------------|---------------------|-------------------------------|
| {one telemetry-distinct owned surface} | {covered / partial / missing / owner-mapped} | {surface-specific source and signal evidence} | {complete surface-specific required signals} | {owner and file/path evidence} | {code + tests, proof path + signal name, or exact external owner/source} | {surface-specific detection or localization impact} |

Add one row for each applicable owned surface. Keep workflow/agent,
provider/model, tool/function, token/context, stream/session, retrieval,
evaluation/data export, model/config, memory/context, framework bridge,
content governance, cost, and privacy/cardinality independently actionable.

## Gaps

| Priority | Area | Gap | Why it matters | Required fix | Instrument mode | Verification scenarios |
|---|---|---|---|---|---|---|
| required | {human-readable area} | {source-derived gap} | {user/operator impact} | {specific result} | default | {scenario IDs or N/A} |

If no gaps remain, keep the header and separator, omit example rows, and write:
`No gaps found.`

## Verification Plan

This section is a source-derived contract for downstream instrumentation,
verification, and detector configuration; it does not claim runtime execution.

### Test Environments

| Environment ID | Surface | Config Evidence | Runner / Toolchain | Scope | Shared Prerequisites |
|----------------|---------|-----------------|--------------------|-------|----------------------|
| {stable-environment-id} | {service/module} | {wrapper, toolchain file, manifest, CI path} | {runner and configured version} | {compile/type/import/test scope} | {local-safe fixture, available requirement, or exact missing prerequisite} |

### Acceptance Scenarios

These rows are the executable handoff to `$otel-instrument` and
`$otel-verify`: each row says which user/application action must be run and
what telemetry must appear. They are source-derived test plans, not claims that
the paths already work. The `Environment` cell contains only IDs defined in
`Test Environments`; use comma-separated IDs when a scenario needs more than
one environment.

| Scenario ID | Trigger / Path | Source Entrypoint | Expected Signals | Proof Level | Acceptance Criteria | Environment |
|-------------|----------------|-------------------|------------------|-------------|---------------------|-------------|
| {stable.id} | {route, workflow, worker, startup, error path} | {file:line or symbol} | {exact spans, metrics, logs, runtime signal} | {focused call-site / full runtime / either} | {observable status, attrs, datapoint, log, topology, or exporter proof} | {stable-environment-id} |

## Anti-Patterns
- {any issues found, or "None detected"}

## Recommendation
- {actionable next step: "Run $otel-instrument to add auto-instrumentation
  for X, Y, Z" or "Instrumentation looks complete -- consider
  $otel-instrument for custom business metrics"}

---
*Generated by otel-audit on {YYYY-MM-DD HH:MM UTC}*

After writing the report, run the dependency-free validator bundled with this skill:

python3 scripts/validate_audit_report.py .observe/otel.md

Resolve scripts/validate_audit_report.py relative to this skill directory. If validation fails, repair the report and rerun it before presenting results.

Report requirements:

Follow ../references/report-flow-contract.md: put Status, Executive Summary, Flow, Audit Evidence, routes, the compact signal-flow map, current instrumentation, optional GenAI readiness, and prioritized gaps in that order.
Use only the top-level sections shown in the report template. The validator rejects additional top-level sections.
In the component map, use only [SOURCE-COVERED] and [GAP: <area>] markers.
Always include top-level ## Verification Plan after ## Gaps. Populate both Test Environments and Acceptance Scenarios; write No runnable surface detected only when source evidence supports that conclusion.
Give every test environment a unique stable ID. Every acceptance scenario must reference only IDs defined in Test Environments; do not repeat fixture or prerequisite prose in scenario rows.
Treat runtime and scenario rows as source-derived inputs, not executed proof. Never write verified in this section unless a cited existing test report or artifact already proves the claim.
If GenAI/LLM code is detected, include ## GenAI Readiness after ## Current Instrumentation; omit it otherwise.
Always emit **GenAI ownership detected:** Yes or No and one matching GenAI ownership row in ## Audit Evidence. Yes requires the readiness table; No forbids it. Never leave the decision implicit in framework names, gaps, or scenarios.
Put ## Gaps after ## Current Instrumentation and optional ## GenAI Readiness, so the reader sees the source-derived baseline before the prioritized remediation queue.
When incident-readiness ownership exists or faster detection/localization is requested, include ### Incident Readiness inside ## Current Instrumentation; do not create a second top-level gap or ledger section. Map every partial or missing readiness row to the exact Area value in ## Gaps and to its verification scenario IDs.
Keep incident-readiness guidance generic: do not include organization-specific service names, incident IDs, customer names, realms, or product-specific workflow names unless they are source evidence necessary to identify the audited service. Treat workflow outcome, dependency health, freshness, backpressure, auth/edge, capacity, health/readiness, and release/config context as gaps only when source or runtime configuration shows the service owns or can accurately observe that surface.
For incident-evidence requests, include the generic mapping incident class -> failure mechanism -> repo/service owner -> code surface -> signal -> MTTD impact -> remaining owner. Endpoint RED metrics alone do not close a gap whose mechanism is auth handshake, secret expiry, stale output, rollout skew, dependency target loss, stream lifecycle failure, or pool saturation.
The report must have exactly one top-level ## Gaps section.
Use the exact prioritized gap-table columns and allowed priority/instrument mode values from report-flow-contract.md. Every gap row must name user impact, required fix, and applicable verification scenario IDs.
If GenAI readiness gaps exist, put the required signals, owner/source files, and acceptance criteria directly in the ## GenAI Readiness surface rows. Each GenAI-related ## Gaps row must reference the human-readable readiness surface name in its Area or Gap cell.
Keep GenAI readiness generic: no organization-specific service names, incident IDs, customer names, realms, or provider account names.
Prefer OTel GenAI semantic conventions. Treat missing gen_ai.request.model as a gap when the requested model is available.
For GenAI incident-evidence requests, include the generic coverage mapping incident class -> failure mechanism -> repo/service owner -> code surface -> signal -> MTTD impact -> remaining owner. Mark each gap as MTTD-improving, localization-only, provider/platform-owned, or unknown owner.
Treat missing provider/model gateway health, workflow outcome, tool/function execution or AI-owned session/stream lifecycle including MCP when present, retrieval/RAG freshness or quality, streaming lifecycle, token/context pressure, prompt/response build or parse outcome, safety/policy outcome, AI-derived data freshness, model/config rollout, and AI-owned cache/session state as GenAI gaps only when code or runtime evidence shows the service owns that AI pathway surface.
When those GenAI surfaces are owned, name concrete detector-ready signals such as token/context budget percent, truncation rate, token-limit errors, prompt/tool schema size, LLM call count, tool call count, response parse failure, AI-derived data freshness, prompt/tool schema version, model/config readiness, model/config compatibility, and expected-vs-running model/config state instead of reporting a vague GenAI gap. Put missed, flapping, auto-resolved, or no-data alert evidence into the $splunk-configure detector reliability handoff.
IDs for users, accounts, tenants, sessions, tasks, conversations, requests, and traces may help trace drilldown, but must not be metric dimensions or detector group-by keys.
If instrumentation is incomplete, always include the exact token $otel-instrument in the recommendation.
If OpenTelemetry is absent, include both words OpenTelemetry and missing.
Name the concrete files that support findings; do not only refer to "the service" or "./service".
For Node.js, mention package.json and the app entry point such as app.js.
For Python, mention pyproject.toml or requirements.txt, the app file such as app.py, and runtime files such as Dockerfile or docker-compose.yml when present.
For FastAPI/Celery services, mention the web app, worker file, Dockerfile, compose commands, FastAPI/ASGI coverage, Celery instrumentation, Redis instrumentation if Redis is present, and HTTP client instrumentation only when an HTTP client dependency is detected.
For Java/Spring Boot, mention the Spring Boot entry point such as TasksApplication.java, controller files such as TaskController.java, and the Java agent recommendation.
For Java/Kafka services, mention the main entry point, runtime configuration, producer/consumer classes that wrap KafkaProducer or KafkaConsumer, batch poll loops that handle ConsumerRecords, listener-container classes or methods such as @KafkaListener, and Kafka Streams lifecycle/topology code that constructs KafkaStreams, Topology, StreamsBuilder, KStream, or KTable.
For Java/Kafka services, name topics, consumer groups, poll/send/listener or topology behavior, offset commit behavior, uncaught exception handling, Java agent coverage for Kafka clients, and missing business signals such as processed records, failed parses, high-risk alerts, processing errors, consumer lag/offset visibility, and record-processing latency.
For Go multi-package services, name the process entry point such as cmd/kvstore-server/main.go and relevant library files. If filesystem persistence, background indexing, or LRU eviction exists, call those out explicitly.

Chat summary: After writing .observe/otel.md, present a brief summary in chat that includes: audit status, the most important findings first, gap counts by required, recommended, and deferred, and the recommendation line. End with: Full report: .observe/otel.md.

Step 4 -- Verification Handoff

Do not perform telemetry execution inside the audit workflow. The report's Verification Plan is the handoff to $otel-instrument and $otel-verify.

Recommend $otel-instrument when source gaps require implementation.
Recommend $otel-verify when instrumentation exists and the user wants compile, app-code, signal-emission, topology, or OTLP proof.
If the same user request explicitly asks for both audit and verification, finish the audit report first, then apply $otel-verify so runtime selection, app-code execution, and collector evidence follow its stricter contract.

Warning Signs

Fewer than expected auto-instrumentation packages for the detected dependencies
SDK initialized but no auto-instrumentation packages installed
OTel packages in dependencies but no SDK init file found
Error handling code without span error status or recordException

Auto-Instrumentation Library Map

Use these tables to check whether each detected dependency has a matching auto-instrumentation package installed. Only flag gaps for dependencies that appear in the project.

Go

Dependency	Auto-instrumentation Package	Signals
`net/http` (stdlib)	`go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp`	spans + metrics
`gorilla/mux`	`go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux`	spans only
`go-chi/chi`	`go.opentelemetry.io/contrib/instrumentation/github.com/go-chi/chi/otelchi`	spans only
`gin-gonic/gin`	`go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin`	spans only
`google.golang.org/grpc`	`go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc`	spans + metrics
`database/sql`	`github.com/XSAM/otelsql`	spans only
`go-redis/redis`	`github.com/redis/go-redis/extra/redisotel`	spans only
`runtime`	`go.opentelemetry.io/contrib/instrumentation/runtime`	metrics only
`host`	`go.opentelemetry.io/contrib/instrumentation/host`	metrics only
`segmentio/kafka-go`	`go.opentelemetry.io/contrib/instrumentation/github.com/segmentio/kafka-go/otelsegmentio`	spans only
`aws-sdk-go-v2`	`go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-sdk-go-v2/otelaws`	spans only

Python

Dependency	Auto-instrumentation Package	Signals
`flask`	`opentelemetry-instrumentation-flask`	spans
`django`	`opentelemetry-instrumentation-django`	spans
`fastapi` / `starlette`	`opentelemetry-instrumentation-fastapi`	spans
`requests`	`opentelemetry-instrumentation-requests`	spans
`httpx`	`opentelemetry-instrumentation-httpx`	spans
`urllib3`	`opentelemetry-instrumentation-urllib3`	spans
`aiohttp`	`opentelemetry-instrumentation-aiohttp-client`	spans
`psycopg2`	`opentelemetry-instrumentation-psycopg2`	spans
`sqlalchemy`	`opentelemetry-instrumentation-sqlalchemy`	spans
`pymongo`	`opentelemetry-instrumentation-pymongo`	spans
`redis`	`opentelemetry-instrumentation-redis`	spans
`celery`	`opentelemetry-instrumentation-celery`	spans
`grpcio`	`opentelemetry-instrumentation-grpc`	spans
`kafka-python` / `confluent-kafka`	`opentelemetry-instrumentation-kafka-python` / `opentelemetry-instrumentation-confluent-kafka`	spans
`boto3` / `botocore`	`opentelemetry-instrumentation-botocore`	spans
`logging` (stdlib)	`opentelemetry-instrumentation-logging`	logs

Node.js

Dependency	Auto-instrumentation Package	Signals
`express`	`@opentelemetry/instrumentation-express`	spans
`fastify`	`@opentelemetry/instrumentation-fastify`	spans
`koa`	`@opentelemetry/instrumentation-koa`	spans
`@nestjs/core`	`@opentelemetry/instrumentation-nestjs-core`	spans
`http` / `https` (stdlib)	`@opentelemetry/instrumentation-http`	spans
`pg`	`@opentelemetry/instrumentation-pg`	spans
`mysql2`	`@opentelemetry/instrumentation-mysql2`	spans
`mongodb`	`@opentelemetry/instrumentation-mongodb`	spans
`ioredis`	`@opentelemetry/instrumentation-ioredis`	spans
`redis` (node-redis v4+)	`@opentelemetry/instrumentation-redis-4`	spans
`@grpc/grpc-js`	`@opentelemetry/instrumentation-grpc`	spans
`kafkajs`	`@opentelemetry/instrumentation-kafkajs`	spans
`graphql`	`@opentelemetry/instrumentation-graphql`	spans
`aws-sdk` / `@aws-sdk/*`	`@opentelemetry/instrumentation-aws-sdk`	spans

Java

The OpenTelemetry Java agent auto-instruments without code changes:

Spring MVC (REST controllers), Spring WebFlux, Spring Data (JPA, JDBC)
RestTemplate and WebClient (outbound HTTP)
Kafka producers/consumers (including clients used internally by Kafka Streams)
RabbitMQ, gRPC
Servlet containers (Tomcat, Jetty, Undertow)
JDBC drivers

Troubleshooting

No dependency manifest found: Ask the user which subdirectory contains the service, then re-scan from that root.

Multiple languages detected: Ask which service to audit, or audit each independently.

name

otel-audit

description

Audit -- Observability Coverage Scan

Overview

Before writing .observe/otel.md, read ../references/report-flow-contract.md and follow the Audit Contract plus the Reader-First Report Order.

Process

Step 1 -- Repository Discovery

Scan the repository to determine language, framework, and existing instrumentation.

Detect primary language and framework:
- Go: go.mod
- Python: requirements.txt, pyproject.toml, setup.py
- Node.js: package.json
- Java: pom.xml, build.gradle
- Rust: Cargo.toml
- .NET: *.csproj, *.sln
Identify entry points (main, cmd/, app.py, index.ts, etc.)
Enumerate all HTTP routes with method and path pattern (e.g. GET /tasks, POST /tasks, GET /tasks/{id}). List them explicitly in the report.
Use the Auto-Instrumentation Library Map below to identify which packages should be present for each detected dependency.
Detect incident-readiness ownership: user-visible workflows, dependency calls, background processing, queues/streams, data freshness, auth/edge paths, capacity limits, and release/config context. When any are present or when the user asks for faster incident detection/localization, load ../references/incident-readiness.md. When incidents, postmortems, tickets, alerts, or failure examples are supplied, use its Incident-Evidence Mode and map each failure mechanism to its owning code or platform surface before scoring coverage.
Detect GenAI/LLM ownership: provider clients/model gateways, agents or workflows, tool/function dispatch, MCP when present, retrieval/RAG, model/deployment config, fallback/readiness checks, token accounting, call counts, prompt/response assembly, AI-derived data jobs, AI-path synthetic/canary checks, or usage logging. When any are present, load ../references/genai-readiness.md. Follow its GenAI Semconv Source Contract before scoring GenAI coverage: reconcile detected AI surfaces with official semconv docs when available, record live-or-snapshot provenance, and build a semconv closure matrix. When GenAI incidents, postmortems, alerts, tickets, or failure examples are part of the request, use GenAI incident-evidence mode and map each failure mechanism to provider/model gateway, workflow, tool/function execution or AI-owned session/stream including MCP when present, retrieval/RAG, streaming, token/context, prompt/response parser, safety/policy, AI-derived data, model/config rollout, or AI-owned cache/session evidence.
Record exact evidence paths that should appear in the report:

Dependency manifest: go.mod, package.json, pyproject.toml, pom.xml, etc.
Process entry point: main.go, cmd/.../main.go, app.py, app.js, TasksApplication.java, etc.
Route source: router/controller files such as TaskController.java, app.py, app.js, or kvstore/http.go.
Traffic and readiness clients when they exercise a GenAI path: demo, load, eval, or replay scripts, plus AI-path synthetic or canary scripts such as load_demo.py, smoke.py, scripts/check-*, or tests/e2e/*.
Runtime/startup files when present: Dockerfile, docker-compose.yml, Makefile, package.json scripts, launch configs, worker files.

Inventory project runtime and verification evidence without installing or changing anything:

wrappers and task runners such as mvnw, gradlew, Make, package scripts, tox/nox, Cargo, or solution test projects
toolchain/version files and manifest runtime requirements
lockfiles, CI test commands, devcontainer config, and existing test layout
locally safe compile/type/import/test commands implied by project config Record configured requirements, not the shell's accidental default runtime.

Make one explicit GenAI ownership decision from the completed source scan:

Yes when any provider/model, agent/workflow, tool/MCP, retrieval/RAG, memory/context, evaluation, prompt/response, model/config, token usage, or other AI-path surface is owned by the repository.
No only when the dependency and source scan finds none of those surfaces. Record the decision both as **GenAI ownership detected:** Yes|No near the report status and as an exact GenAI ownership row in ## Audit Evidence. The two values must match.

Step 2 -- Instrumentation Assessment

Check for existing OTel instrumentation and identify gaps. Inventory every signal by type so the report can list them explicitly.

SDK and configuration -- search for:

OTel SDK initialization files (otel_setup.py, instrumentation.ts, otel.go, etc.)
OTel imports/dependencies (opentelemetry, otel, otlp, go.opentelemetry.io)
Auto-instrumentation packages matching detected frameworks/clients
OTEL_SERVICE_NAME, OTEL_EXPORTER_OTLP_ENDPOINT in env files or configs
Per-signal OTLP endpoint and protocol variables. Record the effective pair (grpc with the gRPC receiver, or http/protobuf with /v1/<signal>), not just a host or port. A configured endpoint with an incompatible protocol is a required exporter gap.
Semantic-convention stability opt-ins and when they are set relative to SDK and framework imports. Treat a late opt-in as inactive for already-created instruments.

Provider/exporter topology -- build this per target process and per signal; do not infer it only from the launch command or installed packages.

Find explicit and lazy TracerProvider, MeterProvider, and LoggerProvider construction, global set_*_provider calls, no-op provider branches, exporter construction, resource creation, flush/shutdown, and helpers that initialize providers on first instrument access.
Trace each provider helper from the selected process entrypoint and real startup environment to its recording call sites. Classify each signal as source-active, externally bootstrapped, source-defined but inactive, or no provider; none of these classifications is runtime emission proof.
Keep provider ownership separate by signal. A process can own a real metrics provider while tracing and logs remain disabled. Never describe all OTel as no-op because one startup wrapper lacks opentelemetry-instrument.
For Python repositories, run the bundled scripts/scan_python_otel_topology.py <service-root> before reporting. The scanner finds candidates; reconcile every hit with target-process reachability before using it as evidence.
Reconcile resource precedence. Identify operator-provided OTEL_SERVICE_NAME and OTEL_RESOURCE_ATTRIBUTES, app defaults, detector output, and any merge that overwrites service.name, environment, or version. Preserve operator values and classify hard-coded overwrite as a required resource-identity gap.
For framework instrumentation, record whether the app is instrumented before serving begins. In frameworks that install middleware, instrumentation first invoked inside lifespan/startup can be too late; classify it as partial until source or runtime proof shows middleware was installed before the first request.

Spans inventory -- build a list of every span source:

Auto-instrumentation packages that emit spans (check the "Signals" column in the language reference). Enumerate every individual span name the package produces -- one row per span. Never group spans with vague labels like "HTTP server spans" or "gRPC server spans (all N RPCs)". For example, otelgrpc on a server with methods GetUser and ListUsers produces spans /UserService/GetUser and /UserService/ListUsers -- list each as its own row.
Custom span creation calls: tracer.Start / span.End (Go), tracer.start_as_current_span / tracer.start_span (Python), tracer.startActiveSpan / tracer.startSpan (Node.js), @WithSpan / Span.current() (Java). Record the span name and source file with line number.

Metrics inventory -- build a list of every metric source:

Auto-instrumentation packages that emit metrics (check the "Signals" column). Enumerate every individual metric name the package produces -- one row per metric. Never group metrics with vague labels like "(+ related)" or parenthetical summaries like "(goroutines, memory, GC)". For example, otelgrpc emits rpc.server.call.duration (or the legacy rpc.server.duration on older SDK versions), rpc.server.request.size, rpc.server.response.size, rpc.server.requests_per_rpc, and rpc.server.responses_per_rpc -- list each as its own row. Similarly, runtime.Start() emits process.runtime.go.goroutines, process.runtime.go.mem.heap_alloc, process.runtime.go.gc.count, etc. -- list each individually.
Custom metric registrations: meter.Int64Counter, meter.Float64Histogram, meter.Int64ObservableGauge, meter.Int64UpDownCounter (Go); meter.create_counter, meter.create_histogram, meter.create_observable_gauge (Python); meter.createCounter, meter.createHistogram, meter.createObservableGauge (Node.js). Record the metric name and source file with line number.

Logs inventory -- build a list of OTel log integrations:

OTel log bridge or SDK log packages (opentelemetry-instrumentation-logging for Python, @opentelemetry/instrumentation-winston / @opentelemetry/instrumentation-pino for Node.js).
Trace-context injection into log records (trace_id, span_id fields).
span.AddEvent() / span.add_event() calls used as structured log events.
Logging formatters, filters, adapters, MDC/context variables, access-log formatters, and exception helpers that can add request, user, tenant, session, trace, raw URL, exception text, or traceback data. Check the final formatting path, not only application logger call arguments.
Classify logs as otlp, correlation-only, or not configured. Trace/MDC fields in stdout are not an OTLP log pipeline.

Verification plan -- derive deterministic inputs for later instrumentation and verification. This is source-derived planning, not runtime proof.

Define reusable test environments for each runnable surface. Give every environment a stable ID and record its configured runtime/toolchain, evidence file, expected project runner, affected module scope, and shared prerequisites once.
Create one scenario per telemetry-distinct user, API, worker, startup, shutdown, error, timeout, streaming, tool, retrieval, or dependency path.
Use stable scenario IDs such as http.search.success, http.search.failure, runtime.startup, or worker.batch.failure.
Map each scenario to its source entrypoint, expected exact signals, and acceptance criteria: span status/attributes/parentage, metric datapoints and dimensions, log body/severity/correlation/redaction, or runtime/exporter behavior.
Classify each scenario's required proof as focused call-site, full runtime, or either. Use full runtime when proof depends on agent or preload startup, framework-resolved route names, automatic metrics, runtime-installed log export, or absence of duplicate automatic spans.
For every exact custom span name or operation entrypoint, create an explicit scenario row. Shared helper implementation is not proof that each operation emits its expected name and topology.
Before writing a scenario, confirm every cited source path and symbol exists with rg -n or a language-aware index. Never hand off a guessed or stale symbol name.
Reference one or more exact test-environment IDs from every acceptance scenario. Put local-safe fixture strategy and missing prerequisites in the environment profile, not repeated prose in each scenario row.
Keep prerequisites explicit. Do not require live credentials when fakes or an existing test seam can exercise the same app code.
Avoid path explosion: combine branches only when they emit identical telemetry; split success/failure or alternate paths when telemetry differs.

Dependencies without instrumentation -- for each dependency detected in Step 1:

Check if a matching auto-instrumentation package is installed
Use the Auto-Instrumentation Library Map below as the checklist
Flag any dependency that has an available auto-instrumentation package but is not instrumented

Area is the stable human-readable gap identity used downstream.
Required fix names every required signal or exact owner mapping; it must not use a vague label such as add observability.
Instrument mode records whether safe app-owned work is default, broader safe work is fix all, or an external/unsafe choice is manual decision.
The mapped scenario provides the code surface, expected telemetry, proof level, and acceptance criteria.

Status must be computed against every required signal:

Ledger result	Rule
`covered`	Every required GenAI signal is proven existing with source path and signal name.
`partial`	Some required GenAI signals exist, but remaining required signals are named.
`missing`	No required app-owned GenAI signal exists.
`owner-mapped`	The repo cannot accurately observe the signal and the provider/platform/deployment owner plus exact missing source is named.

Do not collapse a partial GenAI gap into covered because one metric or span exists. The GenAI Readiness surface row is the source of truth for $otel-instrument and $splunk-configure.

Anti-patterns -- flag any of these:

Multiple SDK initializations in the same process
Hardcoded OTLP endpoints instead of env vars
Tracer/Meter created in hot paths instead of at startup
High-cardinality attributes on metrics (user IDs, request IDs)
Missing recordException in error handling paths
Custom span names with variable segments (IDs, paths)
Use of community or third-party OTel wrappers when an official OpenTelemetry package exists (e.g. go.opentelemetry.io/contrib, @opentelemetry/*, opentelemetry-*)

For partially instrumented Go services, explicitly check and report:

hardcoded OTLP endpoints such as collector.example.com
otel.Tracer(...) or otel.Meter(...) calls inside request handlers or loops
high-cardinality span names such as GetTask-{id}
missing otel.SetTextMapPropagator(...)
missing MeterProvider, missing service.name, and missing provider shutdown/flush

Step 3 -- Report

Write the report to .observe/otel.md inside the scanned service root (create the .observe/ directory if it does not exist). Also present a concise summary in chat that references the file path.

Use this template for .observe/otel.md:

# Observability Report: {service-name}

**Language:** {language} | **Framework:** {framework} | **Date:** {YYYY-MM-DD}
**Status:** Pass | Partial | Blocked
**GenAI ownership detected:** Yes | No

## Executive Summary
- {most important finding}
- {top missing signal or "No critical gaps detected"}
- {verification handoff summary}
- {recommended next action}

## Flow
`audit -> instrument -> verify -> configure -> configure-verify`

## Audit Evidence

| Check | Finding | Source |
|---|---|---|
| Manifest | {language, framework, dependency finding} | {path} |
| Entry point | {target process finding} | {path} |
| Route source | {route ownership finding} | {path(s)} |
| Runtime/startup | {configured runtime finding} | {path(s) or "none detected"} |
| GenAI ownership | {Yes or No, matching the report declaration} | {owned source paths or repository scan evidence} |

## Routes

| Method | Path |
|--------|------|
| GET | /health |
| GET | /tasks |
| POST | /tasks |
| GET | /tasks/{id} |
| ... | ... |

## Signal Flow

### Component Flow Map

```text
{process entry point} [SOURCE-COVERED]
  -> {framework routes or worker dispatch} [SOURCE-COVERED]
     -> {business operation} [GAP: human-readable area]
     -> {dependency} [SOURCE-COVERED]
  -> {OTLP/export path} [GAP: human-readable area]
```

`[SOURCE-COVERED]` means source/config evidence exists; it is not runtime
emission proof. Each `[GAP: ...]` marker maps to one row below.

## Current Instrumentation

### Spans

List every individual span name -- one row per span. Never group auto-
instrumented spans with vague labels like "HTTP server spans" or
"gRPC server spans (all N RPCs)".

| Name | Source | Type |
|------|--------|------|
| GET /tasks | otelhttp | auto |
| POST /tasks | otelhttp | auto |
| GET /tasks/{id} | otelhttp | auto |
| orders.process | orders/service.go:42 | custom |

If no span sources are found, write: "No spans detected."

### Metrics

List every individual metric name -- one row per metric. Never group auto-
instrumented metrics with vague labels like "(+ related)" or parenthetical
summaries.

| Name | Source | Type |
|------|--------|------|
| http.server.request.duration | otelhttp | auto |
| http.server.active_requests | otelhttp | auto |
| http.server.request.size | otelhttp | auto |
| http.server.response.size | otelhttp | auto |
| orders.processed.count | orders/metrics.go:15 | custom |

If no metric sources are found, write: "No metrics detected."

### Logs

| Integration | Source | Detail |
|-------------|--------|--------|
| trace-context injection | opentelemetry-instrumentation-logging | Injects trace_id/span_id into log records |
| span events | orders/service.go:55 | span.AddEvent("order.validated") |

If no OTel log integrations are found, write: "No OTel log instrumentation detected."

If no OTel packages or setup are found across all three signal types, include
the phrase: "OpenTelemetry instrumentation is missing."

### Incident Readiness

Include this subsection only when incident-readiness ownership exists or the
user asks for faster incident detection/localization.

| Area | Status | Evidence | Required Signals / Gap | Detection / Localization Impact |
|------|--------|----------|------------------------|---------------------------------|
| API/workflow impact | {covered / partial / missing / owner-mapped} | {route/workflow spans and latency/error/outcome metrics} | {missing workflow outcome, status, error class, or latency signal} | {MTTD-improving / localization-only / owner} |
| Dependencies | {covered / partial / missing / owner-mapped} | {client spans/metrics by dependency and operation} | {missing timeout, retry, rate-limit, circuit-breaker, endpoint/target health, or availability signal} | {MTTD-improving / localization-only / owner} |
| Freshness/backpressure | {covered / partial / missing / owner-mapped} | {lag, age, queue depth, consumer lag, dropped count} | {missing freshness, oldest age, drop reason, paused consumer, or saturation signal} | {MTTD-improving / localization-only / owner} |
| Auth/edge/capacity/release | {covered / partial / missing / owner-mapped} | {auth/edge, runtime capacity, health/readiness, and low-cardinality release/config evidence} | {missing failure class, saturation, desired-vs-healthy, readiness/healthcheck, target-health, or rollout context} | {MTTD-improving / localization-only / owner} |

Add, split, or omit example rows to match source-owned surfaces. Every partial
or missing row must map to a prioritized gap-table row and one or more
acceptance scenarios below.

## GenAI Readiness

Include only when GenAI/LLM ownership evidence exists.

| Surface | Status | Evidence | Required Signals | Owner / Source Files | Acceptance Criteria | Detection/Localization Impact |
|---------|--------|----------|------------------|----------------------|---------------------|-------------------------------|
| {one telemetry-distinct owned surface} | {covered / partial / missing / owner-mapped} | {surface-specific source and signal evidence} | {complete surface-specific required signals} | {owner and file/path evidence} | {code + tests, proof path + signal name, or exact external owner/source} | {surface-specific detection or localization impact} |

Add one row for each applicable owned surface. Keep workflow/agent,
provider/model, tool/function, token/context, stream/session, retrieval,
evaluation/data export, model/config, memory/context, framework bridge,
content governance, cost, and privacy/cardinality independently actionable.

## Gaps

| Priority | Area | Gap | Why it matters | Required fix | Instrument mode | Verification scenarios |
|---|---|---|---|---|---|---|
| required | {human-readable area} | {source-derived gap} | {user/operator impact} | {specific result} | default | {scenario IDs or N/A} |

If no gaps remain, keep the header and separator, omit example rows, and write:
`No gaps found.`

## Verification Plan

This section is a source-derived contract for downstream instrumentation,
verification, and detector configuration; it does not claim runtime execution.

### Test Environments

| Environment ID | Surface | Config Evidence | Runner / Toolchain | Scope | Shared Prerequisites |
|----------------|---------|-----------------|--------------------|-------|----------------------|
| {stable-environment-id} | {service/module} | {wrapper, toolchain file, manifest, CI path} | {runner and configured version} | {compile/type/import/test scope} | {local-safe fixture, available requirement, or exact missing prerequisite} |

### Acceptance Scenarios

These rows are the executable handoff to `$otel-instrument` and
`$otel-verify`: each row says which user/application action must be run and
what telemetry must appear. They are source-derived test plans, not claims that
the paths already work. The `Environment` cell contains only IDs defined in
`Test Environments`; use comma-separated IDs when a scenario needs more than
one environment.

| Scenario ID | Trigger / Path | Source Entrypoint | Expected Signals | Proof Level | Acceptance Criteria | Environment |
|-------------|----------------|-------------------|------------------|-------------|---------------------|-------------|
| {stable.id} | {route, workflow, worker, startup, error path} | {file:line or symbol} | {exact spans, metrics, logs, runtime signal} | {focused call-site / full runtime / either} | {observable status, attrs, datapoint, log, topology, or exporter proof} | {stable-environment-id} |

## Anti-Patterns
- {any issues found, or "None detected"}

## Recommendation
- {actionable next step: "Run $otel-instrument to add auto-instrumentation
  for X, Y, Z" or "Instrumentation looks complete -- consider
  $otel-instrument for custom business metrics"}

---
*Generated by otel-audit on {YYYY-MM-DD HH:MM UTC}*

After writing the report, run the dependency-free validator bundled with this skill:

python3 scripts/validate_audit_report.py .observe/otel.md

Resolve scripts/validate_audit_report.py relative to this skill directory. If validation fails, repair the report and rerun it before presenting results.

Report requirements:

Follow ../references/report-flow-contract.md: put Status, Executive Summary, Flow, Audit Evidence, routes, the compact signal-flow map, current instrumentation, optional GenAI readiness, and prioritized gaps in that order.
Use only the top-level sections shown in the report template. The validator rejects additional top-level sections.
In the component map, use only [SOURCE-COVERED] and [GAP: <area>] markers.
Always include top-level ## Verification Plan after ## Gaps. Populate both Test Environments and Acceptance Scenarios; write No runnable surface detected only when source evidence supports that conclusion.
Give every test environment a unique stable ID. Every acceptance scenario must reference only IDs defined in Test Environments; do not repeat fixture or prerequisite prose in scenario rows.
Treat runtime and scenario rows as source-derived inputs, not executed proof. Never write verified in this section unless a cited existing test report or artifact already proves the claim.
If GenAI/LLM code is detected, include ## GenAI Readiness after ## Current Instrumentation; omit it otherwise.
Always emit **GenAI ownership detected:** Yes or No and one matching GenAI ownership row in ## Audit Evidence. Yes requires the readiness table; No forbids it. Never leave the decision implicit in framework names, gaps, or scenarios.
Put ## Gaps after ## Current Instrumentation and optional ## GenAI Readiness, so the reader sees the source-derived baseline before the prioritized remediation queue.
When incident-readiness ownership exists or faster detection/localization is requested, include ### Incident Readiness inside ## Current Instrumentation; do not create a second top-level gap or ledger section. Map every partial or missing readiness row to the exact Area value in ## Gaps and to its verification scenario IDs.
Keep incident-readiness guidance generic: do not include organization-specific service names, incident IDs, customer names, realms, or product-specific workflow names unless they are source evidence necessary to identify the audited service. Treat workflow outcome, dependency health, freshness, backpressure, auth/edge, capacity, health/readiness, and release/config context as gaps only when source or runtime configuration shows the service owns or can accurately observe that surface.
For incident-evidence requests, include the generic mapping incident class -> failure mechanism -> repo/service owner -> code surface -> signal -> MTTD impact -> remaining owner. Endpoint RED metrics alone do not close a gap whose mechanism is auth handshake, secret expiry, stale output, rollout skew, dependency target loss, stream lifecycle failure, or pool saturation.
The report must have exactly one top-level ## Gaps section.
Use the exact prioritized gap-table columns and allowed priority/instrument mode values from report-flow-contract.md. Every gap row must name user impact, required fix, and applicable verification scenario IDs.
If GenAI readiness gaps exist, put the required signals, owner/source files, and acceptance criteria directly in the ## GenAI Readiness surface rows. Each GenAI-related ## Gaps row must reference the human-readable readiness surface name in its Area or Gap cell.
Keep GenAI readiness generic: no organization-specific service names, incident IDs, customer names, realms, or provider account names.
Prefer OTel GenAI semantic conventions. Treat missing gen_ai.request.model as a gap when the requested model is available.
For GenAI incident-evidence requests, include the generic coverage mapping incident class -> failure mechanism -> repo/service owner -> code surface -> signal -> MTTD impact -> remaining owner. Mark each gap as MTTD-improving, localization-only, provider/platform-owned, or unknown owner.
Treat missing provider/model gateway health, workflow outcome, tool/function execution or AI-owned session/stream lifecycle including MCP when present, retrieval/RAG freshness or quality, streaming lifecycle, token/context pressure, prompt/response build or parse outcome, safety/policy outcome, AI-derived data freshness, model/config rollout, and AI-owned cache/session state as GenAI gaps only when code or runtime evidence shows the service owns that AI pathway surface.
When those GenAI surfaces are owned, name concrete detector-ready signals such as token/context budget percent, truncation rate, token-limit errors, prompt/tool schema size, LLM call count, tool call count, response parse failure, AI-derived data freshness, prompt/tool schema version, model/config readiness, model/config compatibility, and expected-vs-running model/config state instead of reporting a vague GenAI gap. Put missed, flapping, auto-resolved, or no-data alert evidence into the $splunk-configure detector reliability handoff.
IDs for users, accounts, tenants, sessions, tasks, conversations, requests, and traces may help trace drilldown, but must not be metric dimensions or detector group-by keys.
If instrumentation is incomplete, always include the exact token $otel-instrument in the recommendation.
If OpenTelemetry is absent, include both words OpenTelemetry and missing.
Name the concrete files that support findings; do not only refer to "the service" or "./service".
For Node.js, mention package.json and the app entry point such as app.js.
For Python, mention pyproject.toml or requirements.txt, the app file such as app.py, and runtime files such as Dockerfile or docker-compose.yml when present.
For FastAPI/Celery services, mention the web app, worker file, Dockerfile, compose commands, FastAPI/ASGI coverage, Celery instrumentation, Redis instrumentation if Redis is present, and HTTP client instrumentation only when an HTTP client dependency is detected.
For Java/Spring Boot, mention the Spring Boot entry point such as TasksApplication.java, controller files such as TaskController.java, and the Java agent recommendation.
For Java/Kafka services, mention the main entry point, runtime configuration, producer/consumer classes that wrap KafkaProducer or KafkaConsumer, batch poll loops that handle ConsumerRecords, listener-container classes or methods such as @KafkaListener, and Kafka Streams lifecycle/topology code that constructs KafkaStreams, Topology, StreamsBuilder, KStream, or KTable.
For Java/Kafka services, name topics, consumer groups, poll/send/listener or topology behavior, offset commit behavior, uncaught exception handling, Java agent coverage for Kafka clients, and missing business signals such as processed records, failed parses, high-risk alerts, processing errors, consumer lag/offset visibility, and record-processing latency.
For Go multi-package services, name the process entry point such as cmd/kvstore-server/main.go and relevant library files. If filesystem persistence, background indexing, or LRU eviction exists, call those out explicitly.

Step 4 -- Verification Handoff

Do not perform telemetry execution inside the audit workflow. The report's Verification Plan is the handoff to $otel-instrument and $otel-verify.

Recommend $otel-instrument when source gaps require implementation.
Recommend $otel-verify when instrumentation exists and the user wants compile, app-code, signal-emission, topology, or OTLP proof.
If the same user request explicitly asks for both audit and verification, finish the audit report first, then apply $otel-verify so runtime selection, app-code execution, and collector evidence follow its stricter contract.

Warning Signs

Fewer than expected auto-instrumentation packages for the detected dependencies
SDK initialized but no auto-instrumentation packages installed
OTel packages in dependencies but no SDK init file found
Error handling code without span error status or recordException

Auto-Instrumentation Library Map

Use these tables to check whether each detected dependency has a matching auto-instrumentation package installed. Only flag gaps for dependencies that appear in the project.

Go

Dependency	Auto-instrumentation Package	Signals
`net/http` (stdlib)	`go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp`	spans + metrics
`gorilla/mux`	`go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux`	spans only
`go-chi/chi`	`go.opentelemetry.io/contrib/instrumentation/github.com/go-chi/chi/otelchi`	spans only
`gin-gonic/gin`	`go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin`	spans only
`google.golang.org/grpc`	`go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc`	spans + metrics
`database/sql`	`github.com/XSAM/otelsql`	spans only
`go-redis/redis`	`github.com/redis/go-redis/extra/redisotel`	spans only
`runtime`	`go.opentelemetry.io/contrib/instrumentation/runtime`	metrics only
`host`	`go.opentelemetry.io/contrib/instrumentation/host`	metrics only
`segmentio/kafka-go`	`go.opentelemetry.io/contrib/instrumentation/github.com/segmentio/kafka-go/otelsegmentio`	spans only
`aws-sdk-go-v2`	`go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-sdk-go-v2/otelaws`	spans only

Python

Dependency	Auto-instrumentation Package	Signals
`flask`	`opentelemetry-instrumentation-flask`	spans
`django`	`opentelemetry-instrumentation-django`	spans
`fastapi` / `starlette`	`opentelemetry-instrumentation-fastapi`	spans
`requests`	`opentelemetry-instrumentation-requests`	spans
`httpx`	`opentelemetry-instrumentation-httpx`	spans
`urllib3`	`opentelemetry-instrumentation-urllib3`	spans
`aiohttp`	`opentelemetry-instrumentation-aiohttp-client`	spans
`psycopg2`	`opentelemetry-instrumentation-psycopg2`	spans
`sqlalchemy`	`opentelemetry-instrumentation-sqlalchemy`	spans
`pymongo`	`opentelemetry-instrumentation-pymongo`	spans
`redis`	`opentelemetry-instrumentation-redis`	spans
`celery`	`opentelemetry-instrumentation-celery`	spans
`grpcio`	`opentelemetry-instrumentation-grpc`	spans
`kafka-python` / `confluent-kafka`	`opentelemetry-instrumentation-kafka-python` / `opentelemetry-instrumentation-confluent-kafka`	spans
`boto3` / `botocore`	`opentelemetry-instrumentation-botocore`	spans
`logging` (stdlib)	`opentelemetry-instrumentation-logging`	logs

Node.js

Dependency	Auto-instrumentation Package	Signals
`express`	`@opentelemetry/instrumentation-express`	spans
`fastify`	`@opentelemetry/instrumentation-fastify`	spans
`koa`	`@opentelemetry/instrumentation-koa`	spans
`@nestjs/core`	`@opentelemetry/instrumentation-nestjs-core`	spans
`http` / `https` (stdlib)	`@opentelemetry/instrumentation-http`	spans
`pg`	`@opentelemetry/instrumentation-pg`	spans
`mysql2`	`@opentelemetry/instrumentation-mysql2`	spans
`mongodb`	`@opentelemetry/instrumentation-mongodb`	spans
`ioredis`	`@opentelemetry/instrumentation-ioredis`	spans
`redis` (node-redis v4+)	`@opentelemetry/instrumentation-redis-4`	spans
`@grpc/grpc-js`	`@opentelemetry/instrumentation-grpc`	spans
`kafkajs`	`@opentelemetry/instrumentation-kafkajs`	spans
`graphql`	`@opentelemetry/instrumentation-graphql`	spans
`aws-sdk` / `@aws-sdk/*`	`@opentelemetry/instrumentation-aws-sdk`	spans

Java

The OpenTelemetry Java agent auto-instruments without code changes:

Spring MVC (REST controllers), Spring WebFlux, Spring Data (JPA, JDBC)
RestTemplate and WebClient (outbound HTTP)
Kafka producers/consumers (including clients used internally by Kafka Streams)
RabbitMQ, gRPC
Servlet containers (Tomcat, Jetty, Undertow)
JDBC drivers

Troubleshooting

No dependency manifest found: Ask the user which subdirectory contains the service, then re-scan from that root.

Multiple languages detected: Ask which service to audit, or audit each independently.

otel-audit

同仓库更多 Skills

同仓库更多 Skills

Audit -- Observability Coverage Scan

Overview

Process

Step 1 -- Repository Discovery

Step 2 -- Instrumentation Assessment

Step 3 -- Report

Step 4 -- Verification Handoff

Warning Signs

Auto-Instrumentation Library Map

Go

Python

Node.js

Java

Troubleshooting

Audit -- Observability Coverage Scan

Overview

Process

Step 1 -- Repository Discovery

Step 2 -- Instrumentation Assessment

Step 3 -- Report

Step 4 -- Verification Handoff

Warning Signs

Auto-Instrumentation Library Map

Go

Python

Node.js

Java

Troubleshooting