Merge pull request #7862 from Gandi/bugfixes/segfault-registry-session

Fix SEGFAULT if dns resolv error
This commit is contained in:
Jessie Frazelle 2014-09-08 11:38:34 -07:00
commit 8440052689

View file

@ -154,6 +154,7 @@ func (r *Session) GetRemoteImageJSON(imgID, registry string, token []string) ([]
func (r *Session) GetRemoteImageLayer(imgID, registry string, token []string, imgSize int64) (io.ReadCloser, error) {
var (
retries = 5
statusCode = 0
client *http.Client
res *http.Response
imageURL = fmt.Sprintf("%simages/%s/layer", registry, imgID)
@ -165,14 +166,19 @@ func (r *Session) GetRemoteImageLayer(imgID, registry string, token []string, im
}
setTokenAuth(req, token)
for i := 1; i <= retries; i++ {
statusCode = 0
res, client, err = r.doRequest(req)
if err != nil {
log.Debugf("Error contacting registry: %s", err)
if res != nil {
if res.Body != nil {
res.Body.Close()
}
statusCode = res.StatusCode
}
if i == retries {
return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
res.StatusCode, imgID)
statusCode, imgID)
}
time.Sleep(time.Duration(i) * 5 * time.Second)
continue