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Make the progressbar take the image size into consideration

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This commit is contained in:
Guillaume J. Charmes 2013-06-06 18:16:16 -07:00
parent e9ef3f43b7
commit deddb3c757
1 changed files with 18 additions and 12 deletions
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36
docs/registry.go
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@ -12,6 +12,7 @@ import (
"io/ioutil"
"net/http"
"net/url"
"strconv"
"strings"
)
@ -106,40 +107,45 @@ func (r *Registry) getImagesInRepository(repository string, authConfig *auth.Aut
}
// Retrieve an image from the Registry.
// Returns the Image object as well as the layer as an Archive (io.Reader)
func (r *Registry) GetRemoteImageJSON(imgId, registry string, token []string) ([]byte, error) {
func (r *Registry) GetRemoteImageJSON(imgId, registry string, token []string) ([]byte, int, error) {
// Get the JSON
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
if err != nil {
return nil, fmt.Errorf("Failed to download json: %s", err)
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := r.client.Do(req)
if err != nil {
return nil, fmt.Errorf("Failed to download json: %s", err)
return nil, -1, fmt.Errorf("Failed to download json: %s", err)
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("HTTP code %d", res.StatusCode)
}
jsonString, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf("Failed to parse downloaded json: %s (%s)", err, jsonString)
}
return jsonString, nil
return nil, -1, fmt.Errorf("HTTP code %d", res.StatusCode)
}
func (r *Registry) GetRemoteImageLayer(imgId, registry string, token []string) (io.ReadCloser, int, error) {
imageSize, err := strconv.Atoi(res.Header.Get("X-Docker-Size"))
if err != nil {
return nil, -1, err
}
jsonString, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, -1, fmt.Errorf("Failed to parse downloaded json: %s (%s)", err, jsonString)
}
return jsonString, imageSize, nil
}
func (r *Registry) GetRemoteImageLayer(imgId, registry string, token []string) (io.ReadCloser, error) {
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/layer", nil)
if err != nil {
return nil, -1, fmt.Errorf("Error while getting from the server: %s\n", err)
return nil, fmt.Errorf("Error while getting from the server: %s\n", err)
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := r.client.Do(req)
if err != nil {
return nil, -1, err
return nil, err
}
return res.Body, int(res.ContentLength), nil
return res.Body, nil
}
func (r *Registry) GetRemoteTags(registries []string, repository string, token []string) (map[string]string, error) {