Imports github.com/lxc/lxd/shared/ioprogress github.com/gorilla/websocket github.com/lxc/lxd/shared github.com/lxc/lxd/shared/logger github.com/lxc/lxd/shared/api github.com/lxc/lxd/shared/cancel github.com/lxc/lxd/shared/simplestreams Standard library imports bytes encoding/json fmt io io/ioutil net net/http net/url os os/exec path/filepath strings sync crypto/sha256 mime mime/multipart