add note for kubeadm cert renew

Alan Zhu · Alan Zhu · commit b9067e5a0c8c · 2020-09-29T09:05:40.000+08:00
diff --git a/cmd/kubeadm/app/cmd/alpha/certs.go b/cmd/kubeadm/app/cmd/alpha/certs.go
@@ -286,6 +286,7 @@ func getRenewSubCommands(out io.Writer, kdir string) []*cobra.Command {
 					return err
 				}
 			}
+			fmt.Printf("\nDone renewing certificates. You must restart the kube-apiserver, kube-controller-manager, kube-scheduler and etcd, so that they can use the new certificates.\n")
 			return nil
 		},
 		Args: cobra.NoArgs,

Original file line number	Diff line number	Diff line change
`@@ -286,6 +286,7 @@ func getRenewSubCommands(out io.Writer, kdir string) []*cobra.Command {`
`286`	`286`	`return err`
`287`	`287`	`}`
`288`	`288`	`}`
	`289`	`+ fmt.Printf("\nDone renewing certificates. You must restart the kube-apiserver, kube-controller-manager, kube-scheduler and etcd, so that they can use the new certificates.\n")`
`289`	`290`	`return nil`
`290`	`291`	`},`
`291`	`292`	`Args: cobra.NoArgs,`