lib/api.js
function(identifier, revisionId, out, cb) {
    logger.info('list containers: ' + identifier);
    var systemId = _sr.findSystem(identifier);
    var containers = {};
    if (!systemId) { return cb(new Error(ERR_NOSYSID)); }
    _builder.loadTargets(systemId, revisionId, function(err, targets) {
      if (err) { return cb(err); }
      _.each(targets, function(target) {
        _.each(target.containerDefinitions, function(cdef) {
          containers[cdef.id] = cdef;
        });
      });
      cb(null, _.values(containers));
    });
  }
function(identifier, revisionId, out, cb) {
    logger.info('list containers: ' + identifier);
    var systemId = _sr.findSystem(identifier);
    var containers = {};
    if (!systemId) { return cb(new Error(ERR_NOSYSID)); }
    _builder.loadTargets(systemId, revisionId, function(err, targets) {
      if (err) { return cb(err); }
      _.each(targets, function(target) {
        _.each(target.containerDefinitions, function(cdef) {
          containers[cdef.id] = cdef;
        });
      });
      cb(null, _.values(containers));
    });
  }
list all of the available containers in a system