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packer-cn
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fallback to not ranged request if server lacks HEAD 

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
This commit is contained in:
Vasiliy Tolstov 2015-06-16 01:04:48 +03:00
parent 382fa01e6f
commit d98de209cb
1 changed files with 13 additions and 7 deletions
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20
common/download.go
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@ -215,18 +215,23 @@ func (d *HTTPDownloader) Download(dst *os.File, src *url.URL) error {
}
resp, err := httpClient.Do(req)
if err != nil {
return err
if err != nil || resp.StatusCode != 200 {
req.Method = "GET"
resp, err = httpClient.Do(req)
if err != nil {
return err
}
}
req.Method = "GET"
if resp.StatusCode != 200 {
log.Printf(
"Non-200 status code: %d. Getting error body.", resp.StatusCode)
resp, err := httpClient.Do(req)
if err != nil {
return err
if req.Method != "GET" {
req.Method = "GET"
resp, err = httpClient.Do(req)
if err != nil {
return err
}
}
errorBody := new(bytes.Buffer)
io.Copy(errorBody, resp.Body)
@ -234,6 +239,7 @@ func (d *HTTPDownloader) Download(dst *os.File, src *url.URL) error {
resp.StatusCode, errorBody.String())
}
req.Method = "GET"
d.progress = 0
if resp.Header.Get("Accept-Ranges") == "bytes" {