func genDeplist(acipath string, reg registry.Registry) ([]string, error) {
man, err := util.GetManifest(acipath)
if err != nil {
return nil, err
}
key, err := reg.GetACI(man.Name, man.Labels)
if err != nil {
fmt.Printf("Name: %s", man.Name)
return nil, err
}
var deps []string
for _, dep := range man.Dependencies {
depkey, err := reg.GetACI(dep.ImageName, dep.Labels)
if err != nil {
return nil, err
}
subdeps, err := genDeplist(path.Join(reg.DepStoreExpandedPath, depkey), reg)
if err != nil {
return nil, err
}
deps = append(deps, subdeps...)
}
deps = append(deps, key)
return deps, nil
}
func (a *ACBuild) renderACI(insecure, debug bool) ([]string, error) {
reg := registry.Registry{
DepStoreTarPath: a.DepStoreTarPath,
DepStoreExpandedPath: a.DepStoreExpandedPath,
Insecure: insecure,
Debug: debug,
}
man, err := util.GetManifest(a.CurrentACIPath)
if err != nil {
return nil, err
}
if len(man.Dependencies) == 0 {
return nil, nil
}
var deplist []string
for _, dep := range man.Dependencies {
err := reg.FetchAndRender(dep.ImageName, dep.Labels, dep.Size)
if err != nil {
return nil, err
}
depkey, err := reg.GetACI(dep.ImageName, dep.Labels)
if err != nil {
return nil, err
}
subdeplist, err := genDeplist(path.Join(a.DepStoreExpandedPath, depkey), reg)
if err != nil {
return nil, err
}
deplist = append(deplist, subdeplist...)
}
return deplist, nil
}
func (a *ACBuild) beginFromRemoteImage(start string, insecure bool) error {
app, err := discovery.NewAppFromString(start)
if err != nil {
return err
}
labels, err := types.LabelsFromMap(app.Labels)
if err != nil {
return err
}
tmpDepStoreTarPath, err := ioutil.TempDir("", "acbuild-begin-tar")
if err != nil {
return err
}
defer os.RemoveAll(tmpDepStoreTarPath)
tmpDepStoreExpandedPath, err := ioutil.TempDir("", "acbuild-begin-expanded")
if err != nil {
return err
}
defer os.RemoveAll(tmpDepStoreExpandedPath)
reg := registry.Registry{
DepStoreTarPath: tmpDepStoreTarPath,
DepStoreExpandedPath: tmpDepStoreExpandedPath,
Insecure: insecure,
Debug: a.Debug,
}
err = reg.Fetch(app.Name, labels, 0, false)
if err != nil {
if urlerr, ok := err.(*url.Error); ok {
if operr, ok := urlerr.Err.(*net.OpError); ok {
if dnserr, ok := operr.Err.(*net.DNSError); ok {
if dnserr.Err == "no such host" {
return fmt.Errorf("unknown host when fetching image, check your connection and local file paths must start with '/' or '.'")
}
}
}
}
return err
}
files, err := ioutil.ReadDir(tmpDepStoreTarPath)
if err != nil {
return err
}
if len(files) != 1 {
var filelist string
for _, file := range files {
if filelist == "" {
filelist = file.Name()
} else {
filelist = filelist + ", " + file.Name()
}
}
panic("unexpected number of files in store after download: " + filelist)
}
return util.ExtractImage(path.Join(tmpDepStoreTarPath, files[0].Name()), a.CurrentACIPath, nil)
}