Example project specific bosco command (ports @ TES)

ports.js

'use strict';
var _ = require('lodash');
var async = require('async');
var fs = require('fs');
var path = require('path');
var Table = require('cli-table');
var repoList = [], repoTable = [];

module.exports = {
	name:'ports',
	description:'Lists the ports that all Node services run on (by inspecting configuration)',
	example:'bosco ports -r <repoPattern>',
	cmd:cmd
};

function cmd(bosco, args) {

	var repoPattern = bosco.options.repo;
    var repoRegex = new RegExp(repoPattern);
    var repos = bosco.config.get('github:repos');

    var getRepoList = function(next) {
        repos.forEach(function(repo) {
            if (repo.match(repoRegex)) {
              repoList.push(repo);
            }
        });
        next();
    };

    var getPort = function(config) {
    	if(!bosco.exists(config)) return;
    	var cfg = require(config);
    	if(cfg.server && cfg.server.port) return cfg.server.port;
    };

    var checkDupe = function(port) {
        var isDupe = false;
        repoTable.forEach(function(item) {

            if(item[1] == port) {
                isDupe = true;
            }
        });
        return isDupe ? "Yes" : "";
    };

    var getPorts = function(next) {
        repoList.forEach(function(repo) {
        	var repoPath = bosco.getRepoPath(repo),
            defaultConfig = [repoPath, "config", "default.json"].join("/"),
            envConfig = [repoPath, "config", bosco.options.environment + ".json"].join("/");

            var defaultPort = getPort(defaultConfig);
            var envPort = getPort(envConfig);
            var isDupe = checkDupe(envPort || defaultPort);

            if(defaultPort || envPort) repoTable.push([repo, defaultPort, envPort || "", isDupe, "http://localhost:" + (envPort || defaultPort) + "/"]);
        });
        next(null);
    };

    var printPorts = function(next) {
        var table = new Table({
            chars: {'mid': '', 'left-mid': '', 'mid-mid': '', 'right-mid': ''},
            head: ['Service', 'Default', bosco.options.environment, 'Duplicate', 'Localhost Url'],
            colWidths: [40, 10, 10, 10, 40]
        });

        repoTable.forEach(function(item) {
            //console.dir(item);
            table.push(item);
        });

        console.log(table.toString());
        console.log("\r");

        next(null);
    };

	bosco.log("Getting ports for all the little mircoservices ...");

	async.series([getRepoList, getPorts, printPorts], function(err) {
		process.exit(0);
	});
}