// getUserFromImageUser gets uid or user name of the image user.
// If user is numeric, it will be treated as uid; or else, it is treated as user name.
func getUserFromImageUser(imageUser string) (*int64, *string) {
user := dockertools.GetUserFromImageUser(imageUser)
// return both nil if user is not specified in the image.
if user == "" {
return nil, nil
}
// user could be either uid or user name. Try to interpret as numeric uid.
uid, err := strconv.ParseInt(user, 10, 64)
if err != nil {
// If user is non numeric, assume it's user name.
return nil, &user
}
// If user is a numeric uid.
return &uid, nil
}
func imageInspectToRuntimeAPIImage(image *dockertypes.ImageInspect) (*runtimeApi.Image, error) {
if image == nil {
return nil, fmt.Errorf("unable to convert a nil pointer to a runtime API image")
}
size := uint64(image.VirtualSize)
user := dockertools.GetUserFromImageUser(image.Config.User)
return &runtimeApi.Image{
Id: &image.ID,
RepoTags: image.RepoTags,
RepoDigests: image.RepoDigests,
Size_: &size,
User: &user,
}, nil
}