create.js

var exec = require('child_process').exec;
var async = require('async');
var pathlib = require('path');
var fs = require('fs');
var ncp = require('ncp').ncp;
var format = require('util').format;
var executeCommand = require('./utls').executeCommand;

function createUser(username, home, callback){
  // TODO : check if user exists first
  // useradd -m -d {0} -s /bin/bash -G exe {1}
  command = format("useradd -m -d %s -s /bin/bash %s", home, username);
  executeCommand(command, callback)
}

function deleteUser(username){
  // TODO : check if user exists first
  command = format("deluser --remove-home %s", username);
  executeCommand(command, callback)
}


function linkDir(from_path, to_path, callback){
  command = format("cp -s -u -R %s/* %s", from_path, to_path);
  executeCommand(command, callback)
}


function fixperms(gameserver){
  callback = function(){};
  
  command = format("find %s -type d -exec chown %s {} \\;", from_path, to_path);
  executeCommand(command, callback)
  
  command = format("find %s -type d -exec chown %s {} \\;", from_path, to_path);
  executeCommand(command, callback)
};

function replaceFiles(base_folder, files, backing_folder, callback){
  finalfiles = [];
  
  files.forEach(function(file) {
    isWildcard = (file.indexOf("*") != -1);
    if (isWildcard == true){
      glob(file, {'cwd':base_folder, 'sync':true}, function (er, files) {
	finalfiles = finalfiles.concat(files);
      });
    };
  })
  
  async.each(finalfiles, function( file, icallback) {
      var fileTo = pathlib.join(base_folder, file);
      var fileFrom = pathlib.join(backing_folder, file);
      
      fs.exists(fileTo, function (exists) {
	if (exists){
	  fs.unlink(fileTo, function(err){
	    if (err) icallback();
	    ncp(fileFrom, fileTo, function(err){
		if (err) throw err;
		console.log('success!');
		icallback();
	      });
	  });
	  
	}else{
	  icallback();
	}
      });
  }, function(err){
      // if any of the saves produced an error, err would equal that error
      if( err ) {
	// One of the iterations produced an error.
	// All processing will now stop.
	console.log('A file failed to process');
      } else {
	console.log('All files have been processed successfully');
      }
  });
  callback();
}

function symlinkFolder(gameserver, from_path, replacements, parentcallback){
  async.series([
    function(callback) {
      linkDir(from_path, gameserver.config.path, function(){callback(null)});
       
    },
    function(callback) {
      replaceFiles(gameserver.config.path, replacements, from_path, function cb(){callback(null); });
    }
    
  ], function(err, results){parentcallback();});
}

function copyFolder(gameserver, from_path, parentcallback){
  ncp(from_path, gameserver.config.path, function (err) {
    if (err) {
    return console.error(err);
    }
    parentcallback();
  });
}

exports.copyFolder = copyFolder;
exports.symlinkFolder = symlinkFolder;
exports.createUser = createUser;
exports.deleteUser = deleteUser;
exports.linkDir = linkDir;