Generate New Hostname - vRO Workflow

generate-new-hostname.js

// Set variables
var result = attNameFormat;
var hostnameIdx = attIndexFormat;
var nextNum = 0;
var digitCount = attNameFormat.match(/(#)/g).length;

// Create request object
var requestObj = JSON.parse(request.toLowerCase());
// Create translations object
var translationsObj = JSON.parse(attTranslations.getContentAsMimeAttachment().content.toLowerCase());

// Get request keys and run values through translations
var requestArr = Object.keys(requestObj);
for each (var key in requestArr) {
	var requestVal = requestObj[key].toLowerCase();
	System.debug("Processing request key '" + key + "' with value: " + requestVal);
	if (requestVal in translationsObj.translations) {
		requestVal = translationsObj.translations[requestVal];
	}
	result = result.replace("{{" + key + "}}",requestVal);
	hostnameIdx = hostnameIdx.replace("{{" + key + "}}",requestVal);
}

// Remove leading / trailing special chars from hostname index
hostnameIdx = hostnameIdx.replace(/([-_]$)/g,"");
hostnameIdx = hostnameIdx.replace(/^([-_])/g,"");
System.debug("Hostname index: " + hostnameIdx);

// Lookup hostname index
try {
	var attribute = attHostnames.getAttributeWithKey(hostnameIdx);
	nextNum = attribute.value;
}
catch (e) {
	System.warn("Hostname index '" + hostnameIdx + "' does not exist, it will be created");
}
finally {
	nextNum++;
	attHostnames.setAttributeWithKey(hostnameIdx,nextNum);
}

// Convert humber to string and add leading zeroes
var hostnameNum = nextNum.toString();
var leadingZeroes = new Array(digitCount - hostnameNum.length + 1).join("0");
hostnameNum = leadingZeroes + hostnameNum;
result = result.replace(/(#+)/g,hostnameNum);

// Finally, return the new hostname
if (attOutputCase == "upper") {
	hostname = result.toUpperCase();
}
else {
	hostname = result.toLowerCase();
}

System.log("Returning hostname: " + hostname);