Create a temporary text-based file on the vRO server, which can then be copied elsewhere like a guest vCenter VM

createTemporaryFileInVro.js

/**
 *
 * @module actions.mayank.goyal
 * @name createTemporaryFileInVro
 * @version 1.0.0
 * @description Create a temporary text-based file, in a temporary directory, on the vRO server
 * @param {string} fileContents 
 * @param {string} fileName 
 *
 * @outputType string
 *
 */
function createTemporaryFileInVro(fileContents, fileName) {
	var tempDir = System.getTempDirectory();
	vroTempFileFullPath = tempDir + "/" + fileName;
	
	var writer;
	try {
		writer = new FileWriter(vroTempFileFullPath);
	} catch (e) {
		throw "Failed to create temp file in vRO server: " + vroTempFileFullPath + " :: " + e;
	}
	
	try {
		writer.open();
	} catch (e) {
		throw "Failed to open temp file for editing in vRO server: " + vroTempFileFullPath + " :: " + e;
	}
	
	try {
		writer.write(fileContents);
	} catch (e) {
		throw "Failed to write contents to temp file in vRO server: " + vroTempFileFullPath + " :: " + e;
	}
	
	try {
		writer.close();
		System.debug("Contents written to vRO temp file " + vroTempFileFullPath + " successfully.");
	} catch (e) {
		throw "Failed to close temp file after editing in vRO server: " + vroTempFileFullPath + " :: " + e;
	}
	
	return vroTempFileFullPath;
}