From fe8b5e9263fbdd329eb31e9eb39f500e03638aa1 Mon Sep 17 00:00:00 2001
From: Jordan Liggitt <jliggitt@redhat.com>
Date: Sat, 24 Jun 2017 00:53:10 -0400
Subject: [PATCH] Fix kubectl api-versions caching

---
 pkg/kubectl/cmd/apiversions.go | 3 +++
 pkg/kubectl/cmd/version.go     | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkg/kubectl/cmd/apiversions.go b/pkg/kubectl/cmd/apiversions.go
index 885dece34ba..184bc07159f 100644
--- a/pkg/kubectl/cmd/apiversions.go
+++ b/pkg/kubectl/cmd/apiversions.go
@@ -55,6 +55,9 @@ func RunApiVersions(f cmdutil.Factory, w io.Writer) error {
 		return err
 	}
 
+	// Always request fresh data from the server
+	discoveryclient.Invalidate()
+
 	groupList, err := discoveryclient.ServerGroups()
 	if err != nil {
 		return fmt.Errorf("Couldn't get available api versions from server: %v\n", err)
diff --git a/pkg/kubectl/cmd/version.go b/pkg/kubectl/cmd/version.go
index 56ecf51e60b..02875892c49 100644
--- a/pkg/kubectl/cmd/version.go
+++ b/pkg/kubectl/cmd/version.go
@@ -116,11 +116,13 @@ func RunVersion(f cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
 
 func retrieveServerVersion(f cmdutil.Factory) (*apimachineryversion.Info, error) {
 	discoveryClient, err := f.DiscoveryClient()
-
 	if err != nil {
 		return nil, err
 	}
 
+	// Always request fresh data from the server
+	discoveryClient.Invalidate()
+
 	serverVersion, err := discoveryClient.ServerVersion()
 	if err != nil {
 		return nil, err