Handle EOF in clusterctl kubectl apply (kubernetes-sigs#814)

Signed-off-by: Vince Prignano <[email protected]>

cmd/clusterctl/clusterdeployer/clusterclient/clusterclient.go

@@ -18,6 +18,7 @@ package clusterclient
 
 import (
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net"
 	"os"
@@ -763,7 +764,7 @@ func (c *client) waitForKubectlApply(manifest string) error {
 		klog.V(2).Infof("Waiting for kubectl apply...")
 		err := c.kubectlApply(manifest)
 		if err != nil {
-			if strings.Contains(err.Error(), "refused") {
+			if err.Error() == io.EOF.Error() || strings.Contains(err.Error(), "refused") {
 				// Connection was refused, probably because the API server is not ready yet.
 				klog.V(4).Infof("Waiting for kubectl apply... server not yet available: %v", err)
 				return false, nil