test: get smb server external ip

fix

fix

test/e2e/suite_test.go

@@ -280,5 +280,19 @@ func getSmbTestEnvVarValue(envVarName string, defaultVarValue string) (smbTestEn
 	if smbTestEnvValue == "" {
 		smbTestEnvValue = defaultVarValue
 	}
+
+	if isWindowsCluster && envVarName == testSmbSourceEnvVar {
+		// get the public IP of the SMB service on Windows
+		getSMBPublicIPScript := "../utils/get_smb_svc_public_ip.sh"
+		log.Printf("run script: %s\n", getSMBPublicIPScript)
+
+		cmd := exec.Command("bash", getSMBPublicIPScript)
+		output, err := cmd.CombinedOutput()
+		log.Printf("got output: %v, error: %v\n", string(output), err)
+
+		server := strings.TrimSuffix(string(output), "\n")
+		log.Printf("use server on Windows: %s\n", server)
+		smbTestEnvValue = fmt.Sprintf("//%s/share", server)
+	}
 	return
 }

test/utils/get_smb_svc_public_ip.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Copyright 2020 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+kubectl get svc smb-server | grep smb | awk '{print $4}'