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feat(metrics): add OTLP metrics support with centralized config

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- Create new metrics/ package for OpenTelemetry-native metrics with OTLP export
- Refactor OTLP configuration to internal/tracerconfig/ to eliminate code duplication
- Add consistent retry configuration across all HTTP OTLP exporters
- Add configuration validation and improved error messages
- Include test coverage for all new functionality
- Make OpenTelemetry metrics dependencies explicit in go.mod

Designed for new applications requiring structured metrics export to
observability backends via OTLP protocol.
This commit is contained in:
Ask Bjørn Hansen
2025-08-02 09:29:27 -07:00
parent 796b2a8412
commit c6230be91e
7 changed files with 1274 additions and 224 deletions
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12
go.mod
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@@ -19,12 +19,18 @@ require (
go.opentelemetry.io/contrib/exporters/autoexport v0.58.0
go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho v0.58.0
go.opentelemetry.io/otel v1.33.0
go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.9.0
go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.9.0
go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.33.0
go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.33.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.33.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.33.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.33.0
go.opentelemetry.io/otel/log v0.9.0
go.opentelemetry.io/otel/metric v1.33.0
go.opentelemetry.io/otel/sdk v1.33.0
go.opentelemetry.io/otel/sdk/log v0.9.0
go.opentelemetry.io/otel/sdk/metric v1.33.0
go.opentelemetry.io/otel/trace v1.33.0
golang.org/x/mod v0.22.0
golang.org/x/net v0.33.0
@@ -59,16 +65,10 @@ require (
github.com/valyala/fasttemplate v1.2.2 // indirect
go.opentelemetry.io/auto/sdk v1.1.0 // indirect
go.opentelemetry.io/contrib/bridges/prometheus v0.58.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.9.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.9.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.33.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.33.0 // indirect
go.opentelemetry.io/otel/exporters/prometheus v0.55.0 // indirect
go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.9.0 // indirect
go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.33.0 // indirect
go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.33.0 // indirect
go.opentelemetry.io/otel/metric v1.33.0 // indirect
go.opentelemetry.io/otel/sdk/metric v1.33.0 // indirect
go.opentelemetry.io/proto/otlp v1.4.0 // indirect
golang.org/x/crypto v0.31.0 // indirect
golang.org/x/sys v0.28.0 // indirect