1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
# This file is part of cloud-init. See LICENSE file for license information.
"""Base LXD snapshot."""
from ..snapshots import Snapshot
class LXDSnapshot(Snapshot):
"""LXD image copy backed snapshot."""
platform_name = "lxd"
def __init__(self, platform, properties, config, features,
pylxd_frozen_instance):
"""Set up snapshot.
@param platform: platform object
@param properties: image properties
@param config: image config
@param features: supported feature flags
"""
self.pylxd_frozen_instance = pylxd_frozen_instance
super(LXDSnapshot, self).__init__(
platform, properties, config, features)
def launch(self, user_data, meta_data=None, block=True, start=True,
use_desc=None):
"""Launch instance.
@param user_data: user-data for the instance
@param instance_id: instance-id for the instance
@param block: wait until instance is created
@param start: start instance and wait until fully started
@param 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(
self.properties, self.config, self.features, block=block,
image_desc=str(self), container=self.pylxd_frozen_instance.name,
use_desc=use_desc, container_config=inst_config)
if start:
instance.start()
return instance
def destroy(self):
"""Clean up snapshot data."""
self.pylxd_frozen_instance.destroy()
super(LXDSnapshot, self).destroy()
# vi: ts=4 expandtab
|
