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Documentation
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Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func MultistepDebugFn ¶
func MultistepDebugFn(ui packer.Ui) multistep.DebugPauseFn
MultistepDebugFn will return a proper multistep.DebugPauseFn to use for debugging if you're using multistep in your builder.
Types ¶
type DownloadClient ¶
type DownloadClient struct {
// contains filtered or unexported fields
}
A DownloadClient helps download, verify checksums, etc.
func NewDownloadClient ¶
func NewDownloadClient(c *DownloadConfig) *DownloadClient
NewDownloadClient returns a new DownloadClient for the given configuration.
func (*DownloadClient) Cancel ¶
func (d *DownloadClient) Cancel()
func (*DownloadClient) Get ¶
func (d *DownloadClient) Get() (string, error)
func (*DownloadClient) PercentProgress ¶
func (d *DownloadClient) PercentProgress() uint
PercentProgress returns the download progress as a percentage.
func (*DownloadClient) VerifyChecksum ¶
func (d *DownloadClient) VerifyChecksum(path string) (bool, error)
VerifyChecksum tests that the path matches the checksum for the download.
type DownloadConfig ¶
type DownloadConfig struct {
// The source URL in the form of a string.
Url string
// This is the path to download the file to.
TargetPath string
// DownloaderMap maps a schema to a Download.
DownloaderMap map[string]Downloader
// If true, this will copy even a local file to the target
// location. If false, then it will "download" the file by just
// returning the local path to the file.
CopyFile bool
// The hashing implementation to use to checksum the downloaded file.
Hash hash.Hash
// The checksum for the downloaded file. The hash implementation configuration
// for the downloader will be used to verify with this checksum after
// it is downloaded.
Checksum []byte
}
DownloadConfig is the configuration given to instantiate a new download instance. Once a configuration is used to instantiate a download client, it must not be modified.
type Downloader ¶
type Downloader interface {
Cancel()
Download(io.Writer, *url.URL) error
Progress() uint
Total() uint
}
A downloader is responsible for actually taking a remote URL and downloading it.
type HTTPDownloader ¶
type HTTPDownloader struct {
// contains filtered or unexported fields
}
HTTPDownloader is an implementation of Downloader that downloads files over HTTP.
func (*HTTPDownloader) Cancel ¶
func (*HTTPDownloader) Cancel()
func (*HTTPDownloader) Progress ¶
func (d *HTTPDownloader) Progress() uint
func (*HTTPDownloader) Total ¶
func (d *HTTPDownloader) Total() uint
Source Files