king/out/servant/capabilities.js

A powerful server infrastructure management platform - "The King of your Nodes"

// Generated by CoffeeScript 1.6.3
var async, exec, version, versionCmds;

async = require("async");

exec = require("child_process").exec;

version = /\d+\.\d+\.\d+/;

versionCmds = [
  {
    name: "node"
  }, {
    name: "ruby"
  }, {
    name: "go"
  }, {
    name: "git"
  }, {
    name: "npm"
  }, {
    name: "mongod"
  }, {
    name: "redis"
  }
];

exports.calculate = function(callback) {
  var caps, has;
  caps = {};
  has = function(cmd, callback) {
    var cmdString;
    if (!cmd.args) {
      cmd.args = '--version';
    }
    cmdString = "" + cmd.name + " " + cmd.args;
    return exec(cmdString, function(err, stdout, stderr) {
      var m;
      caps[cmd.name] = (m = stdout != null ? stdout.match(version || (m = stderr != null ? stderr.match(version) : void 0)) : void 0) ? m[0] : null;
      return callback();
    });
  };
  async.each(versionCmds, has, function() {
    return callback(caps);
  });
  return null;
};