Imports gopkg.in/juju/charmstore.v5/internal/monitoring gopkg.in/mgo.v2 gopkg.in/mgo.v2/bson github.com/juju/loggo gopkg.in/juju/charmstore.v5/internal/mongodoc gopkg.in/errgo.v1 github.com/rogpeppe/fastuuid github.com/ncw/swift Standard library imports encoding/base64 encoding/hex fmt io sort strconv time hash crypto/sha512