implemented OS-dependend customData

parts/resources.t

@@ -201,9 +201,8 @@
         "osProfile": {
           "computername": "[parameters('vmName')]",
           "adminUsername": "[variables('adminUsername')]",
-          "adminPassword": "[parameters('adminPasswordOrKey')]",
           "adminPassword": "[if(equals(parameters('authenticationType'), 'password'), parameters('adminPasswordOrKey'), '')]",
-          {{GetCustomData}}
+          "customData": "[if(equals(parameters('osImageName'), 'WindowsServer_2016'), json('null'), {{GetCustomData}})]",
           "linuxConfiguration": "[if(equals(parameters('authenticationType'), 'password'), json('null'), variables('linuxConfiguration'))]",
           "windowsConfiguration": "[if(equals(parameters('osImageName'), 'WindowsServer_2016'), variables('windowsConfiguration'), json('null'))]"
           {{if .LinuxProfile.HasSecrets}}

pkg/engine/template_generator.go

@@ -139,7 +139,7 @@ func (t *TemplateGenerator) getTemplateFuncMap(cs *api.OpenEnclave) template.Fun
 					"PROVISION_STR":  script,
 					"VALIDATION_STR": getProvisionScript(validationScript, nil),
 				})
-			return fmt.Sprintf("\"customData\": \"[base64(concat('#cloud-config\\n\\n', '%s'))]\",", str)
+			return fmt.Sprintf("base64(concat('#cloud-config\\n\\n', '%s'))", str)
 		},
 		"GetAllowedVMSizes": func() string {
 			return api.GetAllowedVMSizes()