HashForType returns the Hash implementation for the given string type, or nil if the type is not supported.

MultistepDebugFn will return a proper multistep.DebugPauseFn to use for debugging if you're using multistep in your builder.

NewDownloadClient returns a new DownloadClient for the given configuration.

A DownloadClient helps download, verify checksums, etc.

DownloadConfig is the configuration given to instantiate a new download instance.

HTTPDownloader is an implementation of Downloader that downloads files over HTTP.

StepConnectSSH is a multistep Step implementation that waits for SSH to become available.

StepCreateFloppy will create a floppy disk with the given files.

StepProvision runs the provisioners.

A downloader is responsible for actually taking a remote URL and downloading it.