fix: [v8] validate connection (#1606)

matttrach · lukasboettcher · jlamillan · web-flow · commit ee3d4645f02f · 2025-07-31T16:29:31.000-05:00
Signed-off-by: Lukas Boettcher &lt;1340215+lukasboettcher@users.noreply.github.com&gt;
Signed-off-by: jesse.millan &lt;jesse.millan@oracle.com&gt;
Co-authored-by: lukasboettcher &lt;1340215+lukasboettcher@users.noreply.github.com&gt;
Co-authored-by: Jesse Millan &lt;jesse.millan@oracle.com&gt;
diff --git a/rancher2/resource_rancher2_cluster.go b/rancher2/resource_rancher2_cluster.go
@@ -556,7 +556,11 @@ func isKubeConfigValid(c *Config, config string) (string, bool, error) {
 	if err != nil {
 		return "", false, fmt.Errorf("checking Kubeconfig: %v", err)
 	}
-	_, err = kubernetes.NewForConfig(kubeconfig)
+	client, err := kubernetes.NewForConfig(kubeconfig)
+	if err != nil {
+		return token, false, nil
+	}
+	_, err = client.DiscoveryClient.ServerVersion()
 	if err != nil {
 		return token, false, nil
 	}

Original file line number	Diff line number	Diff line change
`@@ -556,7 +556,11 @@ func isKubeConfigValid(c *Config, config string) (string, bool, error) {`
`556`	`556`	`if err != nil {`
`557`	`557`	`return "", false, fmt.Errorf("checking Kubeconfig: %v", err)`
`558`	`558`	`}`
`559`		`- _, err = kubernetes.NewForConfig(kubeconfig)`
	`559`	`+ client, err := kubernetes.NewForConfig(kubeconfig)`
	`560`	`+ if err != nil {`
	`561`	`+ return token, false, nil`
	`562`	`+ }`
	`563`	`+ _, err = client.DiscoveryClient.ServerVersion()`
`560`	`564`	`if err != nil {`
`561`	`565`	`return token, false, nil`
`562`	`566`	`}`