Imports github.com/coreos/ignition/config/shared/validations github.com/coreos/ignition/config/validate/report github.com/coreos/go-semver/semver github.com/coreos/go-systemd/unit github.com/coreos/ignition/config/shared/errors github.com/vincent-petithory/dataurl Standard library imports crypto encoding/hex fmt net/url path path/filepath regexp strings