jetstream-microservice/index.js

Jetstream Node Package for easy implementation of Jetstream microservices

/**
Created by David Dyke
USED FOR SETTING UP A SERVICE WITH JETSTREAM
INC
- REGISTERING WITH REGISTRY
- CONNECTING TO EVENTS
- SECURING THE APP
- HEALTH ENDPOINT
- DB MIGRATIONS
*/

var registry = require('./dist/registry');
var events = require('./dist/events/');
var secuity = require('./dist/security');
var health = require('./dist/health');
var errors = require('./dist/errors');
var request = require('./dist/request');

module.exports = {
    init: function (app, config) {
        // the aim of this is to get everything ship shape for Jetstream, we're expecting a config but can go for defaults if it's not provided

        if (!config) config = {};

        if(config.amqpDisable === undefined){
            config.amqpDisable = false;
        };

        jetStreamConfig = {
            name: config.name || package.name,
            location: process.env.DOCKER ? "http://" + (config.name || "new-service") : config.location,
            documentation: config.documentation,
            registry_url: process.env.DOCKER ? "http://service-registry" : (config.registry_url || "http://localhost:8001"),
            jwt_secret: config.jwt_secret || "secret",
            amqpHost: config.amqpHost || (process.env.DOCKER ? "amqp://rabbitmq" : 'amqp://localhost'),
            amqpDisable: config.amqpDisable
        };


        global.jetstreamConfig = jetStreamConfig;

        // then we have a few tasks

        // set the dependencies up
        global.dependencies = {};

        // REGISTERING WITH REGISTRY
        registry.registerMe();

        // HEALTH ENDPOINT
        app.get('/health', health);

        // SECURING THE APP
        if (!process.env.IGNORE_JWT_SECURITY || process.env.IGNORE_JWT_SECURITY === "0" || process.env.IGNORE_JWT_SECURITY === "false") {
            app.use(secuity.inbound);
        }

        // ERROR HANDLING
        //app.use(errors);

        // finally we have to create a global event object which can do some event magic
        if(config.amqpDisable == false){
            events.connect();
        } else {
            console.log("AMQP/RabbitMQ has been disabled in Jetstream settings");
        }
    },
    events: {
        on: events.on,
        emit: events.emit
    },

    request: request
}