Delete a block device

def volume_delete(self, name):
        '''
        Delete a block device
        '''
        if self.volume_conn is None:
            raise SaltCloudSystemExit('No cinder endpoint available')
        nt_ks = self.volume_conn
        try:
            volume = self.volume_show(name)
        except KeyError as exc:
            raise SaltCloudSystemExit('Unable to find {0} volume: {1}'.format(name, exc))
        if volume['status'] == 'deleted':
            return volume
        response = nt_ks.volumes.delete(volume['id'])
        return volume