code: function Stack(name, dreadnot, config) {
    var self = this,
        logName = sprintf('deploy.stack.%s', name),
        sinkName = sprintf('stack.%s', name),
        moduleName;
  
    if (config.stacks[name].hasOwnProperty('module_name')) {
      moduleName = config.stacks[name].module_name;
    }
    else {
      moduleName = name;
    }
  
    this.name = name;
    this.dreadnot = dreadnot;
    this.module = require(path.join(path.resolve(dreadnot.stackdir), moduleName));
    this.config = config;
    this.stackConfig = config.stacks[name];
    this.log = logmagic.local(logName);
    this.logRoot = path.join(config.data_root, 'logs', name);
    this.newestDeployments = {};
    this.repo = this.stackConfig.repo || name;
    this.current = null;
    this._cache = {};
    this._waiting = {};
  
    logmagic.registerSink(sinkName, function(moduleName, lvl, msg, obj) {
      var both = moduleName.split('.').slice(-2),
          logPath = ['regions', both[0], 'deployments', both[1], 'log'].join('.');
  
      // Fix serialization of Error objects
      if (obj.err && obj.err instanceof Error) {
        obj.err = {
          name: obj.err.name,
          message: obj.err.message,
          stack: obj.err.stack
        };
      }
  
      self.emit(logPath, {
        lvl: lvl,
        msg: msg,
        obj: obj
      });
    });
    logmagic.route(sprintf('%s.*', logName), logmagic.INFO, sinkName);
  }
docs: Stack Constructor.
  @constructor
  @param {String} name The name of this stack.
  @param {Object} config The global config.