// ToolsURL returns a valid tools URL constructed from source.
// source may be a directory, or a URL like file://foo or http://foo.
func ToolsURL(source string) (string, error) {
if source == "" {
return "", nil
}
return envutils.GetURL(source, storage.BaseToolsPath)
}
// ImageMetadataURL returns a valid image metadata URL constructed from source.
// source may be a directory, or a URL like file://foo or http://foo.
func ImageMetadataURL(source, stream string) (string, error) {
if source == "" {
return "", nil
}
// If the image metadata is coming from the official cloud images site,
// set up the correct path according to the images stream requested.
if source == UbuntuCloudImagesURL || source == JujuStreamsImagesURL {
cloudImagesPath := ReleasedImagesPath
if stream != "" && stream != ReleasedStream {
cloudImagesPath = stream
}
source = fmt.Sprintf("%s/%s", source, cloudImagesPath)
}
return utils.GetURL(source, storage.BaseImagesPath)
}