node-foreman/nf.js at master · strongloop/node-foreman · GitHub

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#!/usr/bin/env node

// Node module: foreman

// This file is licensed under the MIT License.

// License text available at https://opensource.org/licenses/MIT

var path = require('path');

var events = require('events');

var fs = require('fs');

var colors = require('./lib/colors');

var quote = require('shell-quote').quote;

var program = require('commander');

var display = require('./lib/console').Console;

var nf = require('./package.json');

program.version(nf.version);

program.option('-j, --procfile <FILE>' ,'load procfile FILE','Procfile');

program.option('-e, --env <FILE>' ,'load environment from FILE, a comma-separated list','.env');

program.option('-p, --port <PORT>' ,'start indexing ports at number PORT',0);

// Foreman Event Bus/Emitter //

var emitter = new events.EventEmitter();

emitter.once('killall',function(signal){

display.Done("Killing all processes with signal ", signal);

});

emitter.setMaxListeners(50);

var _proc = require('./lib/proc');

var start = _proc.start;

var once = _proc.once;

var _procfile = require('./lib/procfile');

var loadProc = _procfile.loadProc;

var _envs = require('./lib/envs');

var loadEnvs = _envs.loadEnvs;

var _requirements = require('./lib/requirements');

var getreqs = _requirements.getreqs;

var calculatePadding = _requirements.calculatePadding;

var startProxies = require('./lib/proxy').startProxies;

var startForward = require('./lib/forward').startForward;

// Kill All Child Processes on SIGINT

process.once('SIGINT', function() {

display.Warn('Interrupted by User');

emitter.emit('killall', 'SIGINT');

});

program

.command('start [procs]')

.usage('[Options] [Processes] e.g. web=1,log=2,api')

.option('-s, --showenvs' ,'show ENV variables on start',false)

.option('-x, --proxy <PORT>' ,'start a load balancing proxy on PORT')

.option('--ssl-key <KEY FILE>' ,'a key file to use when proxying SSL')

.option('--ssl-cert <CERT FILE>','a cert file to use when proxying SSL')

.option('-f, --forward <PORT>' ,'start a forward proxy on PORT')

.option('-i, --intercept <HOSTNAME>' ,'set forward proxy to intercept HOSTNAME',null)

.option('-r, --raw' ,'raw log output with no app name, timestamp, wrap or trim', false)

.option('-t, --trim <N>' ,'trim logs to N characters',0)

.option('-w, --wrap' ,'wrap logs (negates trim)')

.description('Start the jobs in the Procfile')

.action(function(args) {

var command = this;

var envs = loadEnvs(program.env);

var proc = loadProc(program.procfile);

if(!proc) { return; }

if(command.showenvs){

for(var key in envs){

display.Alert("env %s=%s", key, envs[key]);

}

var reqs = getreqs(args, proc);

display.padding = calculatePadding(reqs);

display.raw = command.raw;

if(command.wrap) {

display.wrapline = process.stdout.columns - display.padding - 7;

display.trimline = 0;

display.Alert('Wrapping display Output to %d Columns', display.wrapline);

} else {

display.trimline = command.trim;

if(display.trimline > 0){

display.Alert('Trimming display Output to %d Columns', display.trimline);

}

if(command.forward) {

startForward(command.forward, command.intercept, emitter);

}

startProxies(reqs, proc, command, emitter, program.port || envs.PORT || process.env.PORT || 5000);

start(proc, reqs, envs, program.port || envs.PORT || process.env.PORT || 5000, emitter);

});

program

.command('run <COMMAND...>')

.usage('[Options]')

.option('-s, --showenvs', 'show ENV variables on start', false)

.description('Run a one off process using the ENV variables')

.action(function(args) {

var command = this;

var envs = loadEnvs(program.env);

var callback = function(code) {

process.exit(code);

};

if(!args || !args.length) { return; }

var input = quote(args);

if(command.showenvs) {

for(var key in envs){

display.Alert("env %s=%s",key,envs[key]);

}

display.trimline = process.stdout.columns - 5;

once(input, envs, callback);

});

var exporters = require('./lib/exporters');

program

.command('export [PROCS]')

.option('-a, --app <NAME>' ,'export upstart application as NAME','foreman')

.option('-u, --user <NAME>' ,'export upstart user as NAME','root')

.option('-o, --out <DIR>' ,'export upstart files to DIR','.')

.option('-c, --cwd <DIR>' ,'change current working directory to DIR')

.option('-g, --gid <GID>' ,'set gid of upstart config to GID')

.option('-l, --log <DIR>' ,'specify upstart log directory','/var/log')

.option('-t, --type <TYPE>' ,'export file to TYPE (default upstart)','upstart')

.option('-m, --template <DIR>' ,'use template folder')

.description('Export to an upstart job independent of foreman')

.action(function(procArgs) {

var command = this;

var envs = loadEnvs(program.env);

var procs = loadProc(program.procfile);

if(!procs) { return; }

var req = getreqs(procArgs, procs);

// Variables for Upstart Template

var config = {

application : command.app,

cwd : path.resolve(process.cwd(), command.cwd || ''),

user : command.user,

logs : command.log,

envs : envs,

group : command.gid || command.user,

template : command.template

};

config.envfile = path.resolve(program.env);

var writeout;

if(exporters[command.type]) {

writeout = exporters[command.type];

} else {

display.Error("Unknown Export Format", command.type);

process.exit(1);

}

// Check for Upstart User

// friendly warning - does not stop export

var userExists = false;

fs.readFileSync('/etc/passwd')

.toString().split(/\n/).forEach(function(line) {

if(line.match(/^[^:]*/)[0] == config.user){

userExists = true;

}

});

if(!userExists) {

display.Warn(display.fmt("User %s Does Not Exist on System", config.user));

}

var baseport = parseInt(program.port || envs.PORT || process.env.PORT || 5000);

var baseport_i = 0;

var baseport_j = 0;

var envl = [];

config.processes = [];

// This is ugly because of shitty support for array copying

// Cleanup is definitely required

for(var key in req) {

var c = {};

var cmd = procs[key];

if (!cmd){

display.Warn("Required Key '%s' Does Not Exist in Procfile Definition", key);

continue;

}

var n = req[key];

config.processes.push({process:key, n: n});

c.process = key;

c.command = cmd;

for(var _ in config){

c[_] = config[_];

}

c.numbers = [];

for(var i=1; i <= n; i++) {

var conf = {};

conf.number = i;

for(_ in c){

conf[_] = c[_];

}

conf.port = baseport + baseport_i + baseport_j * 100;

envl = [];

for(key in envs) {

envl.push({

key: key,

value: envs[key]

});

}

envl.push({ key: 'PORT', value: conf.port });

envl.push({ key: 'FOREMAN_WORKER_NAME', value: conf.process + '.' + conf.number });

conf.envs = envl;

// Write the APP-PROCESS-N.conf File

writeout.foreman_app_n(conf,command.out);

baseport_i++;

c.numbers.push({number: i});

}

envl = [];

for(key in envs){

envl.push({

key: key,

value: envs[key]

});

}

c.envs = envl;

// Write the APP-Process.conf File

writeout.foreman_app(c,command.out);

baseport_i = 0;

baseport_j++;

}

// Write the APP.conf File

writeout.foreman(config,command.out);

});

program.parse(process.argv);

if (!process.argv.slice(2).length) {

console.log(colors.cyan(' _____ '));

console.log(colors.cyan(' | __|___ ___ ___ _____ ___ ___ '));

console.log(colors.yellow(' | __| . | _| -_| | | |'));

console.log(colors.magenta(' |__| |___|_| |___|_|_|_|_^_|_|_|'));

program.outputHelp();

process.exit(1);

}

node-foreman/nf.js at master · strongloop/node-foreman · GitHub

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