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modelRT/constants/trace.go

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optimize code of measurement recommend and logger output
2025-10-15 17:08:32 +08:00
// Package constants define constant variable
package constants
// Assuming the B3 specification
const (
HeaderTraceID = "X-B3-TraceId"
HeaderSpanID = "X-B3-SpanId"
HeaderParentSpanID = "X-B3-ParentSpanId"
)
feat: implement end-to-end distributed tracing for HTTP and async tasks - introduce typed traceCtxKey to prevent context key collisions (staticcheck fix) - inject B3 trace values into c.Request.Context() in StartTrace middleware so handlers using c.Request.Context() carry trace info - create startup trace context in main.go, replacing context.TODO() - propagate HTTP traceID/spanID through TaskQueueMessage into RabbitMQ worker, linking HTTP request → publish → execution on the same traceID - fix GORM logger null traceID by binding ctx to AutoMigrate and queries via db.WithContext(ctx) - thread ctx through handler factory to fix null traceID in startup logs - replace per-request RabbitMQ producer with channel-based PushTaskToRabbitMQ goroutine; restrict Swagger to non-production
2026-04-23 16:48:32 +08:00
// traceCtxKey is an unexported type for context keys to avoid collisions with other packages.
type traceCtxKey string
// Typed context keys for trace values — use these with context.WithValue / ctx.Value.
var (
CtxKeyTraceID = traceCtxKey(HeaderTraceID)
CtxKeySpanID = traceCtxKey(HeaderSpanID)
CtxKeyParentSpanID = traceCtxKey(HeaderParentSpanID)
)