// parseImageSource converts image URL-like string to an ImageSource.
func parseImageSource(c *cli.Context, name string) (types.ImageSource, error) {
var (
certPath = c.GlobalString("cert-path")
tlsVerify = c.GlobalBool("tls-verify") // FIXME!! defaults to false?
)
switch {
case strings.HasPrefix(name, dockerPrefix):
return docker.NewDockerImageSource(strings.TrimPrefix(name, dockerPrefix), certPath, tlsVerify)
case strings.HasPrefix(name, atomicPrefix):
return openshift.NewOpenshiftImageSource(strings.TrimPrefix(name, atomicPrefix), certPath, tlsVerify)
case strings.HasPrefix(name, directoryPrefix):
return directory.NewDirImageSource(strings.TrimPrefix(name, directoryPrefix)), nil
}
return nil, fmt.Errorf("Unrecognized image reference %s", name)
}
// ensureImageIsResolved sets up s.docker and s.imageStreamImageName
func (s *openshiftImageSource) ensureImageIsResolved() error {
if s.docker != nil {
return nil
}
// FIXME: validate components per validation.IsValidPathSegmentName?
path := fmt.Sprintf("/oapi/v1/namespaces/%s/imagestreams/%s", s.client.namespace, s.client.stream)
body, err := s.client.doRequest("GET", path, nil)
if err != nil {
return err
}
// Note: This does absolutely no kind/version checking or conversions.
var is imageStream
if err := json.Unmarshal(body, &is); err != nil {
return err
}
var te *tagEvent
for _, tag := range is.Status.Tags {
if tag.Tag != s.client.tag {
continue
}
if len(tag.Items) > 0 {
te = &tag.Items[0]
break
}
}
if te == nil {
return fmt.Errorf("No matching tag found")
}
logrus.Debugf("tag event %#v", te)
dockerRef, err := s.client.convertDockerImageReference(te.DockerImageReference)
if err != nil {
return err
}
logrus.Debugf("Resolved reference %#v", dockerRef)
d, err := docker.NewDockerImageSource(dockerRef, s.certPath, s.tlsVerify)
if err != nil {
return err
}
s.docker = d
s.imageStreamImageName = te.Image
return nil
}