nodejs-tpkg-builder/lib/config.js

a build tool for node apps using tpkg (http://tpkg.github.io/)

'use strict';

var path = require('path');


var init = function (projectDir) {

  var pkg = require(path.join(projectDir, 'package.json'));

  var tpkgConfig;
  try {
    tpkgConfig = require(path.join(projectDir, 'tpkg.json'));
  }
  catch (err) {
    console.error('error - missing tpkg.json config file');
    process.exit(-1);
  }

  var date = new Date();
  var iso = date.toISOString().match(/(\d{4})\-(\d{2})\-(\d{2})T(\d{2}):(\d{2}):(\d{2})/);
  var timestamp = iso[1] + iso[2] + iso[3] + iso[4] + iso[5];

  var homeDir = '/home/' + tpkgConfig.account.runAsUser;
  var projectDir  = homeDir + "/" + pkg.name;
  var nodeVersion = pkg.hasOwnProperty('engines') ? pkg.engines.node : '0.10.36';

  var config = {
    project: {
      name        : pkg.name,
      description : pkg.description,
      version     : tpkgConfig.build.version || pkg.version,
      nodeVersion : nodeVersion,
      startScript : projectDir + '/' + pkg.main,
      timestamp   : timestamp
    },
    directory: {
      home      : homeDir,
      project   : projectDir,
      bin       : projectDir + '/bin',
      etc       : projectDir + '/etc',
      run       : projectDir + '/run',
      log       : projectDir + '/log',
      cron      : projectDir + '/etc/cron.d',
      init      : projectDir + '/etc/init.d',
      sysconfig : projectDir + '/etc/sysconfig',
    },
    account: {
      maintainer      : tpkgConfig.account.maintainer,
      runAsUser       : tpkgConfig.account.runAsUser,
      runAsUserGroup  : tpkgConfig.account.runAsUserGroup
    },
    build: {
      appFolder       : tpkgConfig.build.appFolder,
      buildOutputDir  : tpkgConfig.build.buildOutputDir
    }
  };

  // check for undefined config values
  Object.keys(config).forEach(function (parentKey) {
    Object.keys(config[parentKey]).forEach(function (key) {
      if (config[parentKey][key] === undefined) {
        throw new Error('missing required config value: ' + key);
      }
    });
  });

  return config;

};


module.exports = {
  init: init
};