func InspectImage(dockerClient *dockerclient.DockerClient, id string) (*dockerclient.ImageInfo, error) {
cachedImageInfo, _ := imageCache.Get(id)
if cachedImageInfo == nil {
imageInfo, err := dockerClient.InspectImage(id)
if err != nil {
return nil, err
}
imageCache.Add(id, imageInfo)
return imageInfo, nil
} else {
if cachedImageInfoCasted, ok := cachedImageInfo.(*dockerclient.ImageInfo); ok {
return cachedImageInfoCasted, nil
} else {
return nil, fmt.Errorf("Cache casting error")
}
}
}