feat(backend:signalhandler): Add a way to ignore path in active reque…

…st counter http middleware

backend/pkg/golang-graphql-example/server/server.go

@@ -157,7 +157,7 @@ func (svr *Server) generateRouter() (http.Handler, error) {
 		// Answer
 		utils.AnswerWithError(c, err)
 	}))
-	router.Use(svr.signalHandlerSvc.ActiveRequestCounterMiddleware())
+	router.Use(svr.signalHandlerSvc.ActiveRequestCounterMiddleware([]string{}))
 	router.Use(correlationid.HTTPMiddleware(svr.logger))
 	router.Use(svr.tracingSvc.HTTPMiddlewareList(correlationid.GetFromContext)...)
 	router.Use(log.Middleware(svr.logger, correlationid.GetFromGin, tracing.GetTraceIDFromContext))

backend/pkg/golang-graphql-example/signalhandler/interface.go

@@ -22,7 +22,7 @@ type Service interface {
 	// That will be launched only when all incoming requests are finished.
 	OnExit(hook func())
 	// Middleware to count active requests.
-	ActiveRequestCounterMiddleware() gin.HandlerFunc
+	ActiveRequestCounterMiddleware(ignoredPathList []string) gin.HandlerFunc
 	// Is stopping system will return true if the application is stopping.
 	IsStoppingSystem() bool
 	// IncreaseActiveRequestCounter will increase active request counter by one.

backend/pkg/golang-graphql-example/signalhandler/server.go

@@ -2,6 +2,7 @@ package signalhandler
 
 import (
 	"github.com/gin-gonic/gin"
+	"github.com/samber/lo"
 )
 
 func (s *service) initializeServerMode() {
@@ -15,14 +16,21 @@ func (s *service) initializeServerMode() {
 	}()
 }
 
-func (s *service) ActiveRequestCounterMiddleware() gin.HandlerFunc {
+func (s *service) ActiveRequestCounterMiddleware(ignoredPathList []string) gin.HandlerFunc {
 	// Check if server mode isn't enabled
 	if !s.serverMode {
 		return func(c *gin.Context) { c.Next() }
 	}
 
 	// Middleware
 	return func(c *gin.Context) {
+		if lo.Contains(ignoredPathList, c.FullPath()) {
+			// Next now
+			c.Next()
+			// Stop
+			return
+		}
+
 		// Send +1 to active request counter channel
 		s.activeRequestCounterChan <- 1