Merge pull request #112675 from aimuz/improve-readability

improve readability, code nesting too deep

pkg/printers/internalversion/printers.go

@@ -619,35 +619,38 @@ func formatEndpoints(endpoints *api.Endpoints, ports sets.String) string {
 		ss := &endpoints.Subsets[i]
 		if len(ss.Ports) == 0 {
 			// It's possible to have headless services with no ports.
+			count += len(ss.Addresses)
 			for i := range ss.Addresses {
 				if len(list) == max {
 					more = true
+					// the next loop is redundant
+					break
 				}
-				if !more {
+				list = append(list, ss.Addresses[i].IP)
-					list = append(list, ss.Addresses[i].IP)
-				}
-				count++
 			}
-		} else {
+			// avoid nesting code too deeply
-			// "Normal" services with ports defined.
+			continue
-			for i := range ss.Ports {
+		}
-				port := &ss.Ports[i]
+
-				if ports == nil || ports.Has(port.Name) {
+		// "Normal" services with ports defined.
-					for i := range ss.Addresses {
+		for i := range ss.Ports {
-						if len(list) == max {
+			port := &ss.Ports[i]
-							more = true
+			if ports == nil || ports.Has(port.Name) {
-						}
+				count += len(ss.Addresses)
-						addr := &ss.Addresses[i]
+				for i := range ss.Addresses {
-						if !more {
+					if len(list) == max {
-							hostPort := net.JoinHostPort(addr.IP, strconv.Itoa(int(port.Port)))
+						more = true
-							list = append(list, hostPort)
+						// the next loop is redundant
-						}
+						break
-						count++
 					}
+					addr := &ss.Addresses[i]
+					hostPort := net.JoinHostPort(addr.IP, strconv.Itoa(int(port.Port)))
+					list = append(list, hostPort)
 				}
 			}
 		}
 	}
+
 	ret := strings.Join(list, ",")
 	if more {
 		return fmt.Sprintf("%s + %d more...", ret, count-max)