Get Bull Admin UI (Arena) working with Hapi

hapi-arena.js

const Arena = require('bull-arena');
const _ = require('lodash')


function queueToConfig(queue){
    return {
        hostId: 'Main Host',
        name: queue.name,
        prefix: queue.keyPrefix,
        host: queue.eclient.options.host,
        port: queue.eclient.options.port,
        password: queue.eclient.options.password,
    }
}


module.exports = function HapiArena(server, options, next) {

    const port =  Math.floor(Math.random() * 1000) + 16000;
    const basePath = '/admin/arena'

    server.ext('onPostStart', (server, cb) => {
        const { queues } = server.plugins.bullish
            
        const arenaApp = Arena({
            queues: _.map(queues,queueToConfig)
        }, {
            basePath,
            port
        });

        server.ext('onPreStop', function (server, next) {
            arenaApp.close(next)
        });

        cb()
    })

    server.ext('onPostStart', (server, next) => {
        server.route({
            path: basePath + '/{path*}',
            method: ['GET', 'POST', 'DELETE'],
            config: {
                auth: 'admin'
            },
            handler: {
                proxy: {
                    passThrough: true,
                    mapUri: function (request, callback) {
                        var baseUri = 'http://0.0.0.0:' + port;
                        var destinationUri = baseUri + request.path;
                        server.log(['admin', 'info'], 'Proxying to: ' + destinationUri);
                        callback(null, destinationUri);
                    }
                }
            }
        });
         next()
    }, { after: ['admin']})



    next();
};