And for virt_docker.go, we'll want to be able to run a shell-script collector from the internal-collector. (Possibly with extra envvars?) We'll want to call os.pkg but with a different root-path.
(See #39: we'll need to parse json to find paths, so we'll have to use a builtin collector.)
See #21.
(See #39: we'll need to parse json to find paths, so we'll have to use a builtin collector.)