135 lines
4.4 KiB
Python
135 lines
4.4 KiB
Python
"""
|
|
Copyright 2014 Hewlett-Packard
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
This product includes cryptographic software written by Eric Young
|
|
(eay@cryptsoft.com). This product includes software written by Tim
|
|
Hudson (tjh@cryptsoft.com).
|
|
========================================================================
|
|
|
|
Freezer functions to interact with OpenStack Swift client and server
|
|
"""
|
|
|
|
from cinderclient.v1 import client as ciclient
|
|
import time
|
|
from glance import ReSizeStream
|
|
import logging
|
|
from freezer.bandwidth import monkeypatch_socket_bandwidth
|
|
|
|
|
|
def cinder(backup_opt_dict):
|
|
"""
|
|
Creates cinder client and attached it ot the dictionary
|
|
:param backup_opt_dict: Dictionary with configuration
|
|
:return: Dictionary with attached cinder client
|
|
"""
|
|
options = backup_opt_dict.options
|
|
|
|
monkeypatch_socket_bandwidth(backup_opt_dict)
|
|
|
|
backup_opt_dict.cinder = ciclient.Client(
|
|
username=options.user_name,
|
|
api_key=options.password,
|
|
project_id=options.tenant_name,
|
|
auth_url=options.auth_url,
|
|
region_name=options.region_name,
|
|
insecure=backup_opt_dict.insecure,
|
|
service_type="volume")
|
|
return backup_opt_dict
|
|
|
|
|
|
def provide_snapshot(backup_dict, volume, snapshot_name):
|
|
"""
|
|
Creates snapshot for cinder volume with --force parameter
|
|
:param backup_dict: Dictionary with configuration
|
|
:param volume: volume object for snapshoting
|
|
:param snapshot_name: name of snapshot
|
|
:return: snapshot object
|
|
"""
|
|
volume_snapshots = backup_dict.cinder.volume_snapshots
|
|
snapshot = volume_snapshots.create(volume_id=volume.id,
|
|
display_name=snapshot_name,
|
|
force=True)
|
|
|
|
while snapshot.status != "available":
|
|
try:
|
|
logging.info("[*] Snapshot status: " + snapshot.status)
|
|
snapshot = volume_snapshots.get(snapshot.id)
|
|
if snapshot.status == "error":
|
|
logging.error("snapshot have error state")
|
|
exit(1)
|
|
time.sleep(5)
|
|
except Exception as e:
|
|
logging.info(e)
|
|
return snapshot
|
|
|
|
|
|
def do_copy_volume(backup_dict, snapshot):
|
|
"""
|
|
Creates new volume from a snapshot
|
|
:param backup_dict: Configuration dictionary
|
|
:param snapshot: provided snapshot
|
|
:return: created volume
|
|
"""
|
|
volume = backup_dict.cinder.volumes.create(
|
|
size=snapshot.size,
|
|
snapshot_id=snapshot.id)
|
|
|
|
while volume.status != "available":
|
|
try:
|
|
logging.info("[*] Volume copy status: " + volume.status)
|
|
volume = backup_dict.cinder.volumes.get(volume.id)
|
|
time.sleep(5)
|
|
except Exception as e:
|
|
logging.info(e)
|
|
logging.info("[*] Exception getting volume status")
|
|
return volume
|
|
|
|
|
|
def make_glance_image(backup_dict, image_volume_name, copy_volume):
|
|
"""
|
|
Creates an glance image from volume
|
|
:param backup_dict: Configuration dictionary
|
|
:param image_volume_name: Name of image
|
|
:param copy_volume: volume to make an image
|
|
:return: Glance image object
|
|
"""
|
|
volumes = backup_dict.cinder.volumes
|
|
return volumes.upload_to_image(volume=copy_volume,
|
|
force=True,
|
|
image_name=image_volume_name,
|
|
container_format="bare",
|
|
disk_format="raw")
|
|
|
|
|
|
def clean_snapshot(backup_dict, snapshot):
|
|
"""
|
|
Deletes snapshot
|
|
:param backup_dict: Configuration dictionary
|
|
:param snapshot: snapshot name
|
|
"""
|
|
logging.info("[*] Deleting existed snapshot: " + snapshot.id)
|
|
backup_dict.cinder.volume_snapshots.delete(snapshot)
|
|
|
|
|
|
def download_image(backup_dict, image):
|
|
"""
|
|
Creates a stream for image data
|
|
:param backup_dict: Configuration dictionary
|
|
:param image: Image object for downloading
|
|
:return: stream of image data
|
|
"""
|
|
stream = backup_dict.glance.images.data(image)
|
|
return ReSizeStream(stream, len(stream), 1000000)
|