func (s pushStep) Take(i *Runtime) error {
ac, foundAuthentication, err := auth.ForServer(serverOfRepo(s.PushImageOptions.Name))
if err != nil {
return err
}
if err := i.client.PushImage(s.PushImageOptions, ac); err != nil {
if !foundAuthentication {
ilog.Warn.Logf("Pull may have failed due to missing authentication information in ~/.involucro")
}
return err
}
return nil
}
// pull pulls the image with the given identifier from
// the repository
func pull(c pullimager, repositoryName string) error {
var wg sync.WaitGroup
wg.Add(1)
defer wg.Wait()
pipeReader, pipeWriter := io.Pipe()
defer pipeWriter.Close()
go func() {
defer wg.Done()
dec := json.NewDecoder(pipeReader)
for dec.More() {
var m progress
err := dec.Decode(&m)
switch {
case err == io.EOF:
return
case err != nil:
ilog.Warn.Logf("Decode log message error: %s", err)
default:
logProgress.Logf("%v", m)
}
}
}()
ac, foundAuthentication, err := auth.ForServer(serverOfRepo(repositoryName))
if err != nil {
return err
}
pio := docker.PullImageOptions{
Repository: repositoryName,
OutputStream: pipeWriter,
RawJSONStream: true,
}
ilog.Debug.Logf("Pull Image [%s]", repositoryName)
if err := c.PullImage(pio, ac); err != nil {
if !foundAuthentication {
ilog.Warn.Logf("Pull may have failed due to missing authentication information in ~/.involucro")
}
return err
}
return nil
}