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📝 WalkthroughWalkthroughAdds optional OpenTelemetry support to the Kubernetes Helm chart and bumps the chart version. A new Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant Kube as Kubernetes (Downward API)
participant Pod as Application Pod
participant App as App Container
participant OTLP as OTLP Collector
Note over Kube,Pod: Pod creation with env injection
Kube->>Pod: Inject NODE_IP (status.hostIP) when otel.enabled
Pod->>App: Start with OTEL_* env vars set
App->>OTLP: Send OTLP data to http://$(NODE_IP):4318 (http/protobuf)
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Poem
🚥 Pre-merge checks | ✅ 2 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (2 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing touches🧪 Generate unit tests (beta)
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In `@charts/kubernetes-service/templates/deployment.yaml`:
- Around line 214-229: Change the hardcoded OTEL_TRACES_SAMPLER value to be
configurable via values.yaml: add .Values.otel.sampler (default
"parentbased_traceidratio") and .Values.otel.samplerRatio (default e.g. "0.1")
to values.yaml, then update the deployment template where OTEL_TRACES_SAMPLER is
set to use .Values.otel.sampler and also inject OTEL_TRACES_SAMPLER_ARG or
OTEL_TRACES_RATIO (as appropriate for your collector/runtime) using
.Values.otel.samplerRatio; ensure the template falls back to
"parentbased_traceidratio" and a safe ratio if the values are omitted and keep
the rest of the OTEL env block (NODE_IP, endpoints) unchanged.
🧹 Nitpick comments (2)
charts/kubernetes-service/values.yaml (1)
243-244: Consider exposing OTEL configuration parameters in values.The deployment template hardcodes
OTEL_EXPORTER_OTLP_ENDPOINTport (4318),OTEL_EXPORTER_OTLP_PROTOCOL(http/protobuf), andOTEL_TRACES_SAMPLER(always_on). Making these configurable viavalues.yamlwould allow per-environment tuning (e.g., switching toparentbased_traceidratiosampler for production, or using gRPC on port4317).Suggested values structure
otel: enabled: false + port: 4318 + protocol: "http/protobuf" + sampler: "always_on"charts/kubernetes-service/templates/deployment.yaml (1)
219-222: Nit: inline comment onfieldPathline.The
# Kubernetes downward APIcomment on line 222 is valid YAML but somewhat redundant —status.hostIPwithfieldRefis a well-known pattern. Consider removing it to keep the template clean.
| {{- if .Values.otel.enabled }} | ||
| - name: OTEL_LOGS_EXPORTER | ||
| value: 'none' | ||
| - name: OTEL_METRICS_EXPORTER | ||
| value: 'none' | ||
| - name: NODE_IP | ||
| valueFrom: | ||
| fieldRef: | ||
| fieldPath: status.hostIP # Kubernetes downward API | ||
| - name: OTEL_EXPORTER_OTLP_ENDPOINT | ||
| value: 'http://$(NODE_IP):4318' | ||
| - name: OTEL_EXPORTER_OTLP_PROTOCOL | ||
| value: 'http/protobuf' | ||
| - name: OTEL_TRACES_SAMPLER | ||
| value: 'always_on' | ||
| {{- end }} |
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OTEL env var injection looks correct; one operational concern with always_on sampler.
The $(NODE_IP) variable interpolation is correctly ordered (defined before use), and the conditional gating on .Values.otel.enabled is sound.
However, OTEL_TRACES_SAMPLER: always_on (line 228) sends 100% of traces, which can be costly at scale. Consider defaulting to parentbased_traceidratio with a configurable ratio for production environments — this ties into making the sampler configurable via values.yaml as suggested.
🤖 Prompt for AI Agents
In `@charts/kubernetes-service/templates/deployment.yaml` around lines 214 - 229,
Change the hardcoded OTEL_TRACES_SAMPLER value to be configurable via
values.yaml: add .Values.otel.sampler (default "parentbased_traceidratio") and
.Values.otel.samplerRatio (default e.g. "0.1") to values.yaml, then update the
deployment template where OTEL_TRACES_SAMPLER is set to use .Values.otel.sampler
and also inject OTEL_TRACES_SAMPLER_ARG or OTEL_TRACES_RATIO (as appropriate for
your collector/runtime) using .Values.otel.samplerRatio; ensure the template
falls back to "parentbased_traceidratio" and a safe ratio if the values are
omitted and keep the rest of the OTEL env block (NODE_IP, endpoints) unchanged.
- Add otel.enabled option for OTEL configuration
- Fix template syntax error (remove space in {{- if)
- Bump version to 1.1.1
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In `@charts/kubernetes-service/Chart.yaml`:
- Line 18: The Chart.yaml currently sets version: 1.1.1 but the change adds new
optional OpenTelemetry functionality and the commit references 1.2.0; update the
Chart.yaml version field from 1.1.1 to 1.2.0 to reflect a minor SemVer bump for
new backward-compatible features and ensure any other references or
docs/metadata that mention 1.1.1 are updated to 1.2.0 (look for the version key
in Chart.yaml and any packaging/release metadata).
| # to the chart and its templates, including the app version. | ||
| # Versions are expected to follow Semantic Versioning (https://semver.org/) | ||
| version: 1.1.0 | ||
| version: 1.1.1 |
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Version bump should be minor (1.2.0), not patch (1.1.1).
Adding optional OpenTelemetry support is new functionality. Per SemVer, new backward-compatible features warrant a minor version bump. Also, the commit message references 1.2.0 while the file has 1.1.1 — this inconsistency suggests the intended version was 1.2.0.
-version: 1.1.1
+version: 1.2.0📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| version: 1.1.1 | |
| version: 1.2.0 |
🤖 Prompt for AI Agents
In `@charts/kubernetes-service/Chart.yaml` at line 18, The Chart.yaml currently
sets version: 1.1.1 but the change adds new optional OpenTelemetry functionality
and the commit references 1.2.0; update the Chart.yaml version field from 1.1.1
to 1.2.0 to reflect a minor SemVer bump for new backward-compatible features and
ensure any other references or docs/metadata that mention 1.1.1 are updated to
1.2.0 (look for the version key in Chart.yaml and any packaging/release
metadata).
2 participants
Description
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Change type
Development
Chart.yamlaccording to the rules defined in Semantic Versioning rulesSummary by CodeRabbit
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