Generating fake data with Faker.js

faker.js

var faker = require('faker');
var uuidV4 = require('uuid/v4');

var log = {
  "v": "1.0",
  "category": "ERRORLOG",
  "level": "INFO",
  "timestamp": "2016-11-04T22:02:02.365Z",
  "application": {
    "name": "My Fav application",
    "version": "1.0.0-SNAPSHOT",
    "thread": "default task-16",
    "component": "com.AuditLogInterceptor"
  },
  "context": {
    "tenantId": "saml-demo",
    "principalId": "griduser",
    "userGuid" : "c92c7642-777a-41a2-87d6-79a8acec1d7f",
    "sessionId": "123456789",  
    "globalAccessId": "593b740b-d53e-490a-b5d1-fb3fa2fc1c4c",
    "policyId": "c92c7642-777a-41a2-87d6-79a8acec1d7f",
    "policyName": "Default",
    "scenarioId": "0011c00d-b48b-b82c-4a66-1d394b64ff67",
    "scenarioName": "trusted network",
    "applicationId" : "c92c7642-777a-41a2-87d6-79a8acec1d7f",
    "applicationName" : "Office 365",
  },
  "details": {
    "type": "ACCESS REQUEST",
    "state": "",
    "action" : "",
    "credentials" : [
        {
            type: "OTP",
            state: "" 
        },
        {
            type: "Password",
            state: ""
        }
    ]
  }
}

var state = ["Initiated", "Accepted", "Denied" ,"Waiting"];
var action = ["auth", "change password", "push", "restart"];
var cred_state = ["Pending", "VerifiedInSession","Verified" ];

function  genlog() {
  log.timestamp = faker.date.recent();
  log.context.tenantId = faker.company.companyName().replace(/\s+/g, ''); //remove space in name
  log.context.principalId = faker.internet.userName();
  log.context.userGuid = uuidV4(); //generate guid
  log.context.sessionId = uuidV4();
  log.context.globalAccessId = uuidV4();
  log.context.policyId = uuidV4();
  log.context.policyName = faker.commerce.productName();
  log.context.scenarioId = uuidV4();
  log.context.scenarioName = faker.commerce.productName();
  log.context.applicationId = uuidV4();
  log.context.applicationName = faker.commerce.productName();
  var state_randon = faker.random.number({min:0, max:state.length});
  var action_random = faker.random.number({min:0, max:action.length});
  var cred_random = faker.random.number({min:0, max:cred_state.length});
  var cred_random2 = faker.random.number({min:0, max:cred_state.length});

  log.details.state = state[state_randon];
  log.details.action = action[action_random];
  log.details.credentials[0].state = cred_state[cred_random];
  log.details.credentials[1].state = cred_state[cred_random2];
  
  console.log("%j", log);
}

genlog();