Generate vRA Bearer Token using vRO Action

vroAction_getvRABearerToken.js

if(arguments.callee.name.substr(6))  System.setLogMarker("ACTION: "+arguments.callee.name.substr(6));
var vraRestHost = vraHost.createRestClient();
System.log("vRA hostname: "+vraHost.name);
var loginObj = {};
loginObj.domain = domain;
loginObj.password = password;
loginObj.username = username;
var loginBody = JSON.stringify(loginObj);

var operationUrl = "/csp/gateway/am/api/login";
var request = vraRestHost.createRequest("POST", operationUrl, loginBody);
request.setHeader("Content-Type", "application/json");
var response = vraRestHost.execute(request);
if (response.statusCode != 200) {
    System.warn("Request failed with status code " + response.statusCode);
} else {
    System.log("Status code: "+response.statusCode);
    var res = JSON.parse(response.contentAsString);
    var token = res.cspAuthToken;
    System.log("Token generated successfully");
    return token;
}