Imports gopkg.in/check.v1 github.com/juju/juju/environs/filestorage github.com/juju/testing/checkers github.com/juju/juju/environs/imagemetadata github.com/juju/juju/environs/simplestreams github.com/juju/juju/environs/storage github.com/juju/utils/set Standard library imports fmt io/ioutil path sort