# File lib/openshift-origin-controller/lib/openshift/mongo_data_store.rb, line 86
    def find_by_gear_uuid(gear_uuid)
      Rails.logger.debug "MongoDataStore.find_by_gear_uuid(#{gear_uuid})\n\n"
      hash = find_one( user_collection, { "apps.group_instances.gears.uuid" => gear_uuid } )
      return nil unless hash
      user_hash_to_ret(hash)
    end