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feat(tracing): add OpenTelemetry instrumentation to API gateway
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- Add internal/tracing package with OTel tracer initialization
- HTTP middleware for server-side tracing (request/response attributes)
- Transport wrapper for client-side upstream call tracing
- Update proxy to use tracing transport
- Add OTEL_* env vars to k8s deployment

Traces flow: api-gateway -> otel-collector -> tempo -> grafana
This commit is contained in:
Admin Bot
2026-08-31 15:01:56 -07:00
parent de34a6c8cc
commit f9addf945d
8 changed files with 367 additions and 32 deletions
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go.mod
+18 -5
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@@ -5,30 +5,43 @@ go 1.26.0
require (
github.com/MicahParks/keyfunc/v2 v2.1.0
github.com/golang-jwt/jwt/v5 v5.3.1
go.opentelemetry.io/otel v1.46.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.46.0
go.opentelemetry.io/otel/sdk v1.46.0
go.opentelemetry.io/otel/trace v1.46.0
go.temporal.io/api v1.63.5
go.temporal.io/sdk v1.48.0
google.golang.org/grpc v1.83.2
google.golang.org/protobuf v1.36.11
google.golang.org/protobuf v1.36.12
gopkg.in/yaml.v3 v3.0.1
)
require (
github.com/cenkalti/backoff/v5 v5.0.3 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a // indirect
github.com/go-logr/logr v1.4.4 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/mock v1.6.0 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 // indirect
github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect
github.com/grpc-ecosystem/grpc-gateway/v2 v2.30.0 // indirect
github.com/nexus-rpc/nexus-proto-annotations v0.1.0 // indirect
github.com/nexus-rpc/sdk-go v0.7.0 // indirect
github.com/robfig/cron v1.2.0 // indirect
github.com/stretchr/objx v0.5.3 // indirect
github.com/stretchr/testify v1.12.0 // indirect
github.com/stretchr/testify v1.12.1 // indirect
go.opentelemetry.io/auto/sdk v1.2.1 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.46.0 // indirect
go.opentelemetry.io/otel/metric v1.46.0 // indirect
go.opentelemetry.io/proto/otlp v1.11.0 // indirect
go.yaml.in/yaml/v3 v3.0.5 // indirect
golang.org/x/net v0.58.0 // indirect
golang.org/x/sync v0.22.0 // indirect
golang.org/x/sys v0.47.0 // indirect
golang.org/x/text v0.41.0 // indirect
golang.org/x/time v0.3.0 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20260526163538-3dc84a4a5aaa // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260526163538-3dc84a4a5aaa // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20260819154853-08b0e4226688 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260819154853-08b0e4226688 // indirect
)