func (f *Fetcher) addImageDeps(hash string, imgsl *list.List, seen map[string]struct{}) error {
dependencies, err := f.getImageDeps(hash)
if err != nil {
return errwrap.Wrap(fmt.Errorf("failed to get dependencies for image ID %q", hash), err)
}
for _, d := range dependencies {
imgName := d.ImageName.String()
app, err := discovery.NewApp(imgName, d.Labels.ToMap())
if err != nil {
return errwrap.Wrap(fmt.Errorf("one of image ID's %q dependencies (image %q) is invalid", hash, imgName), err)
}
appStr := app.String()
if _, ok := seen[appStr]; ok {
continue
}
imgsl.PushBack(app.String())
seen[appStr] = struct{}{}
}
return nil
}
func (r Registry) discoverEndpoint(imageName types.ACIdentifier, labels types.Labels) (*discovery.ACIEndpoint, error) {
labelmap := make(map[types.ACIdentifier]string)
for _, label := range labels {
labelmap[label.Name] = label.Value
}
app, err := discovery.NewApp(string(imageName), labelmap)
if err != nil {
return nil, err
}
if _, ok := app.Labels["arch"]; !ok {
app.Labels["arch"] = runtime.GOARCH
}
if _, ok := app.Labels["os"]; !ok {
app.Labels["os"] = runtime.GOOS
}
insecure := discovery.InsecureNone
if r.Insecure {
insecure = discovery.InsecureHTTP
}
acis, attempts, err := discovery.DiscoverACIEndpoints(*app, nil, insecure)
if err != nil {
return nil, err
}
if r.Debug {
for _, a := range attempts {
fmt.Fprintf(os.Stderr, "meta tag not found on %s: %v\n",
a.Prefix, a.Error)
}
}
if len(acis) == 0 {
return nil, fmt.Errorf("no endpoints discovered to download %s",
imageName)
}
return &acis[0], nil
}
func (f *Fetcher) addImageDeps(hash string, imgsl *list.List, seen map[string]dist.Distribution) error {
dependencies, err := f.getImageDeps(hash)
if err != nil {
return errwrap.Wrap(fmt.Errorf("failed to get dependencies for image ID %q", hash), err)
}
for _, d := range dependencies {
imgName := d.ImageName.String()
app, err := discovery.NewApp(imgName, d.Labels.ToMap())
if err != nil {
return errwrap.Wrap(fmt.Errorf("one of image ID's %q dependencies (image %q) is invalid", hash, imgName), err)
}
d := dist.NewAppcFromApp(app)
// To really catch already seen deps the saved string must be a
// reproducible string keeping the labels order
for _, sd := range seen {
if d.Equals(sd) {
continue
}
}
imgsl.PushBack(d)
seen[d.CIMD().String()] = d
}
return nil
}