'Delete a specific image resource.
:param  image: Image object to delete
:type   image: ``str`` or :class:`GCENodeImage`
:return: True if successful
:rtype:  ``bool``'

def ex_delete_image(self, image):

    if (not hasattr(image, 'name')):
        image = self.ex_get_image(image)
    request = ('/global/images/%s' % image.name)
    self.connection.async_request(request, method='DELETE')
    return True
