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# This file is part of cloud-init. See LICENSE file for license information.
from tests.cloud_tests.snapshots import base
class LXDSnapshot(base.Snapshot):
"""
LXD image copy backed snapshot
"""
platform_name = "lxd"
def __init__(self, properties, config, platform, pylxd_frozen_instance):
"""
Set up snapshot
"""
self.platform = platform
self.pylxd_frozen_instance = pylxd_frozen_instance
super(LXDSnapshot, self).__init__(properties, config)
def launch(self, user_data, meta_data=None, block=True, start=True,
use_desc=None):
"""
launch instance
user_data: user-data for the instance
instance_id: instance-id for the instance
block: wait until instance is created
start: start instance and wait until fully started
use_desc: description of snapshot instance use
return_value: an Instance
"""
inst_config = {'user.user-data': user_data}
if meta_data:
inst_config['user.meta-data'] = meta_data
instance = self.platform.launch_container(
container=self.pylxd_frozen_instance.name, config=inst_config,
block=block, image_desc=str(self), use_desc=use_desc)
if start:
instance.start(wait=True, wait_time=self.config.get('timeout'))
return instance
def destroy(self):
"""
Clean up snapshot data
"""
self.pylxd_frozen_instance.destroy()
super(LXDSnapshot, self).destroy()
# vi: ts=4 expandtab
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