feat: edge gateway service

2026-04-02 19:18:42 +02:00
parent 8cde99936c
commit 436c97a38b
95 changed files with 20504 additions and 57 deletions
@@ -0,0 +1,76 @@
+package restapi
+
+import (
+	"time"
+
+	"galaxy/gateway/internal/logging"
+	"galaxy/gateway/internal/telemetry"
+
+	"github.com/gin-gonic/gin"
+	"go.opentelemetry.io/otel/attribute"
+	"go.uber.org/zap"
+)
+
+func withPublicObservability(logger *zap.Logger, metrics *telemetry.Runtime) gin.HandlerFunc {
+	if logger == nil {
+		logger = zap.NewNop()
+	}
+
+	return func(c *gin.Context) {
+		start := time.Now()
+		c.Next()
+
+		statusCode := c.Writer.Status()
+		route := c.FullPath()
+		if route == "" {
+			route = c.Request.URL.Path
+		}
+
+		class, ok := PublicRouteClassFromContext(c.Request.Context())
+		if !ok {
+			class = PublicRouteClassPublicMisc
+		}
+
+		errorCode, _ := c.Get(publicErrorCodeContextKey)
+		errorCodeValue, _ := errorCode.(string)
+
+		outcome := telemetry.OutcomeFromPublicErrorCode(statusCode, errorCodeValue)
+		rejectReason := telemetry.RejectReason(outcome)
+		duration := time.Since(start)
+
+		attrs := []attribute.KeyValue{
+			attribute.String("route_class", string(class)),
+			attribute.String("route", route),
+			attribute.String("method", c.Request.Method),
+			attribute.String("edge_outcome", string(outcome)),
+		}
+		if rejectReason != "" {
+			attrs = append(attrs, attribute.String("reject_reason", rejectReason))
+		}
+		metrics.RecordPublicRequest(c.Request.Context(), attrs, duration)
+
+		fields := []zap.Field{
+			zap.String("component", "public_http"),
+			zap.String("transport", "http"),
+			zap.String("route", route),
+			zap.String("route_class", string(class)),
+			zap.String("method", c.Request.Method),
+			zap.Int("status_code", statusCode),
+			zap.Float64("duration_ms", float64(duration.Microseconds())/1000),
+			zap.String("edge_outcome", string(outcome)),
+		}
+		if rejectReason != "" {
+			fields = append(fields, zap.String("reject_reason", rejectReason))
+		}
+		fields = append(fields, logging.TraceFieldsFromContext(c.Request.Context())...)
+
+		switch outcome {
+		case telemetry.EdgeOutcomeSuccess:
+			logger.Info("public request completed", fields...)
+		case telemetry.EdgeOutcomeBackendUnavailable, telemetry.EdgeOutcomeInternalError:
+			logger.Error("public request failed", fields...)
+		default:
+			logger.Warn("public request rejected", fields...)
+		}
+	}
+}