From 049d606bfcf43a7df0ed65c29136c6a3cfce9a26 Mon Sep 17 00:00:00 2001
From: Pavel Popov <me@popov.wtf>
Date: Sat, 26 Jul 2025 16:17:38 +0800
Subject: [PATCH] fix: replace deprecated Endpoints API with EndpointSlice

- Replace deprecated v1.Endpoints with discovery.k8s.io/v1.EndpointSlice
- Update getKubernetesEndpointPort function to use EndpointSlices
- Resolves deprecation warning: 'v1 Endpoints is deprecated in v1.33+'
---
 .gitignore   |  1 +
 kubefetch.go | 10 ++++++----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 8e8825e..0478c94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.direnv
 .vscode
 /vendor
 kubefetch
diff --git a/kubefetch.go b/kubefetch.go
index 8e4b077..ddac93e 100755
--- a/kubefetch.go
+++ b/kubefetch.go
@@ -208,17 +208,19 @@ func getStorage(clientset *kubernetes.Clientset) string {
 
 func getKubernetesEndpointPort(clientset *kubernetes.Clientset) int {
 
-	endpoint, err := clientset.CoreV1().Endpoints("default").Get(context.TODO(), "kubernetes", v1.GetOptions{})
+	endpointSlices, err := clientset.DiscoveryV1().EndpointSlices("default").List(context.TODO(), v1.ListOptions{
+		LabelSelector: "kubernetes.io/service-name=kubernetes",
+	})
 	if err != nil {
 		panic(err.Error())
 	}
 
 	var portNumber int
 	// Accessing the ports exposed by the Endpoint
-	for _, subset := range endpoint.Subsets {
-		for _, port := range subset.Ports {
+	for _, endpointSlice := range endpointSlices.Items {
+		for _, port := range endpointSlice.Ports {
 			// Accessing port.Port
-			portNumber = int(port.Port)
+			portNumber = int(*port.Port)
 		}
 	}