Add missing node.address != "" condition in tests

test/e2e/framework/service_util.go

@@ -320,7 +320,7 @@ func (j *ServiceTestJig) CreateLoadBalancerService(namespace, serviceName string
 func GetNodeAddresses(node *v1.Node, addressType v1.NodeAddressType) (ips []string) {
 	for j := range node.Status.Addresses {
 		nodeAddress := &node.Status.Addresses[j]
-		if nodeAddress.Type == addressType {
+		if nodeAddress.Type == addressType && nodeAddress.Address != "" {
 			ips = append(ips, nodeAddress.Address)
 		}
 	}

test/e2e/framework/ssh.go

@@ -245,7 +245,7 @@ func IssueSSHCommandWithResult(cmd, provider string, node *v1.Node) (*SSHResult,
 	Logf("Getting external IP address for %s", node.Name)
 	host := ""
 	for _, a := range node.Status.Addresses {
-		if a.Type == v1.NodeExternalIP {
+		if a.Type == v1.NodeExternalIP && a.Address != "" {
 			host = net.JoinHostPort(a.Address, sshPort)
 			break
 		}
@@ -254,7 +254,7 @@ func IssueSSHCommandWithResult(cmd, provider string, node *v1.Node) (*SSHResult,
 	if host == "" {
 		// No external IPs were found, let's try to use internal as plan B
 		for _, a := range node.Status.Addresses {
-			if a.Type == v1.NodeInternalIP {
+			if a.Type == v1.NodeInternalIP && a.Address != "" {
 				host = net.JoinHostPort(a.Address, sshPort)
 				break
 			}

test/e2e/framework/util.go

@@ -3424,7 +3424,7 @@ func NodeAddresses(nodelist *v1.NodeList, addrType v1.NodeAddressType) []string
 	hosts := []string{}
 	for _, n := range nodelist.Items {
 		for _, addr := range n.Status.Addresses {
-			if addr.Type == addrType {
+			if addr.Type == addrType && addr.Address != "" {
 				hosts = append(hosts, addr.Address)
 				break
 			}
@@ -4942,7 +4942,7 @@ func GetNodeExternalIP(node *v1.Node) (string, error) {
 	Logf("Getting external IP address for %s", node.Name)
 	host := ""
 	for _, a := range node.Status.Addresses {
-		if a.Type == v1.NodeExternalIP {
+		if a.Type == v1.NodeExternalIP && a.Address != "" {
 			host = net.JoinHostPort(a.Address, sshPort)
 			break
 		}