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better i/o timeout error on pull 

Signed-off-by: Jessica Frazelle <princess@docker.com>
master
Jessica Frazelle 2015-07-21 18:45:17 -07:00
parent 549e64205f
commit 726f3e07e3
1 changed files with 8 additions and 1 deletions
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9
docs/session.go
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@ -404,7 +404,14 @@ func (r *Session) GetRepositoryData(remote string) (*RepositoryData, error) {
req.Header.Set("X-Docker-Token", "true")
res, err := r.client.Do(req)
if err != nil {
return nil, err
// check if the error is because of i/o timeout
// and return a non-obtuse error message for users
// "Get https://index.docker.io/v1/repositories/library/busybox/images: i/o timeout"
// was a top search on the docker user forum
if strings.HasSuffix(err.Error(), "i/o timeout") {
return nil, fmt.Errorf("Network timed out while trying to connect to %s. You may want to check your internet connection or if you are behind a proxy.", repositoryTarget)
}
return nil, fmt.Errorf("Error while pulling image: %v", err)
}
defer res.Body.Close()
if res.StatusCode == 401 {