feat(healthcheck): allow health checking for excluded routes

internal/route/common.go

@@ -0,0 +1,23 @@
+package route
+
+import (
+	"github.com/yusing/go-proxy/internal/gperr"
+	"github.com/yusing/go-proxy/internal/route/routes"
+)
+
+func checkExists(r routes.Route) gperr.Error {
+	var (
+		existing routes.Route
+		ok       bool
+	)
+	switch r := r.(type) {
+	case routes.HTTPRoute:
+		existing, ok = routes.HTTP.Get(r.Key())
+	case routes.StreamRoute:
+		existing, ok = routes.Stream.Get(r.Key())
+	}
+	if ok {
+		return gperr.Errorf("route already exists: from provider %s and %s", existing.ProviderName(), r.ProviderName())
+	}
+	return nil
+}