downloader

Documentation

Index

• func CacheFilename(url string) string
• func Download(host hostActions, r Request) (string, error)
• func DownloadToGuest(host hostActions, guest guestActions, r Request, filename string) error
• type Request
• type SHA

Functions

func CacheFilename

func CacheFilename(url string) string

CacheFilename returns the computed filename for the url.

func Download

func Download(host hostActions, r Request) (string, error)

Download downloads file at url and returns the location of the downloaded file.

func DownloadToGuest

func DownloadToGuest(host hostActions, guest guestActions, r Request, filename string) error

DownloadToGuest downloads file at url and saves it in the destination.

In the implementation, the file is downloaded (and cached) on the host, but copied to the desired destination for the guest. filename must be an absolute path and a directory on the guest that does not require root access.

Types

type Request

type Request struct {
	URL string // request URL
	SHA *SHA   // shasum url
}

Request is download request

type SHA

type SHA struct {
	URL    string // url to download the shasum file (if Digest is empty)
	Size   int    // one of 256 or 512
	Digest string // shasum
}