From b88b08b8702865ca28d91085f85e5bee41961e29 Mon Sep 17 00:00:00 2001
From: aimuz <mr.imuz@gmail.com>
Date: Thu, 22 Sep 2022 23:10:20 +0800
Subject: [PATCH] improve readability, code nesting too deep

Signed-off-by: aimuz <mr.imuz@gmail.com>
---
 pkg/printers/internalversion/printers.go | 41 +++++++++++++-----------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/pkg/printers/internalversion/printers.go b/pkg/printers/internalversion/printers.go
index 7a5bfe0af01..78827cbdd8e 100644
--- a/pkg/printers/internalversion/printers.go
+++ b/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)
-				}
-				count++
+				list = append(list, ss.Addresses[i].IP)
 			}
-		} else {
-			// "Normal" services with ports defined.
-			for i := range ss.Ports {
-				port := &ss.Ports[i]
-				if ports == nil || ports.Has(port.Name) {
-					for i := range ss.Addresses {
-						if len(list) == max {
-							more = true
-						}
-						addr := &ss.Addresses[i]
-						if !more {
-							hostPort := net.JoinHostPort(addr.IP, strconv.Itoa(int(port.Port)))
-							list = append(list, hostPort)
-						}
-						count++
+			// avoid nesting code too deeply
+			continue
+		}
+
+		// "Normal" services with ports defined.
+		for i := range ss.Ports {
+			port := &ss.Ports[i]
+			if ports == nil || ports.Has(port.Name) {
+				count += len(ss.Addresses)
+				for i := range ss.Addresses {
+					if len(list) == max {
+						more = true
+						// the next loop is redundant
+						break
 					}
+					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)