Rework HTTP downloader retry logic

Apply retries as global, config-level option `downloadRetries` so that
it can be applied to any aptly command which downloads objects.

Unwrap `errors.Wrap` which is used in downloader.

Unwrap `*url.Error` which should be the actual error returned from the
HTTP client, catch more cases, be more specific around failures.
This commit is contained in:
Andrey Smirnov authored and Andrey Smirnov committed 2019-08-07 20:23:05 +03:00
1 parent 2e7f624b34
commit f0a370db24
22 files changed
+123 -63

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@@ -127,7 +127,7 @@ type Downloader interface {
// Download starts new download task
Download(ctx context.Context, url string, destination string) error
// DownloadWithChecksum starts new download task with checksum verification
DownloadWithChecksum(ctx context.Context, url string, destination string, expected *utils.ChecksumInfo, ignoreMismatch bool, maxTries int) error
DownloadWithChecksum(ctx context.Context, url string, destination string, expected *utils.ChecksumInfo, ignoreMismatch bool) error
// GetProgress returns Progress object
GetProgress() Progress
// GetLength returns size by heading object with url