getVaultToken.js

// Build the Vault URL
url = "https://" + vaultServer + ":" + vaultPort;

// Import the Vault SSL certificate
var ld = Config.getKeystores().getImportCAFromUrlAction();
var model = ld.getModel();
    model.value = url;
    error = ld.execute();

//  Create REST call
var uri = url + "/v1/auth/userpass/login/" + vaultUser;
var method = "POST";
    method = method.toUpperCase();

//  Create a dynamic REST host
var httpRestHost = null;
var restHost = RESTHostManager.createHost("dynamicRequest");
    restHost.operationTimeout = 900;
    httpRestHost = RESTHostManager.createTransientHostFrom(restHost);
    httpRestHost.operationTimeout = 900;

//  Remove the endpoint from the URI:
var urlEndpointSplit = uri.split("/");
var urlEndpoint = urlEndpointSplit[urlEndpointSplit.length - 1];
    uri = uri.split(urlEndpoint)[0];
    httpRestHost.url = uri;
    httpRestHost.hostVerification = false;

// Build the JSON body
var requestBody = {
    "password": vaultPassword
}

var request = httpRestHost.createRequest(method, urlEndpoint, JSON.stringify(requestBody));
    request.contentType = "application/json";

var response = request.execute();

if (response.contentAsString){
  var output = JSON.parse(response.contentAsString);
  return output.auth.client_token
}