def vol2ami(self, volume_id, name, description=None):
snap = self.ctxt.cnx_ec2.create_snapshot(volume_id, 'boto snapshot for %s' % name)
block_map = BlockDeviceMapping()
sda = BlockDeviceType()
sda.snapshot_id = snap.id
sda.ebs = True
root_device_name = '/dev/sda1'
block_map[root_device_name] = sda
return self.ctxt.cnx_ec2.register_image(name=name, architecture='x86_64', root_device_name=root_device_name, block_device_map=block_map, description=description)
