root / image_creator / kamaki_wrapper.py @ 42ace959
History | View | Annotate | Download (4 kB)
1 |
# Copyright 2012 GRNET S.A. All rights reserved.
|
---|---|
2 |
#
|
3 |
# Redistribution and use in source and binary forms, with or
|
4 |
# without modification, are permitted provided that the following
|
5 |
# conditions are met:
|
6 |
#
|
7 |
# 1. Redistributions of source code must retain the above
|
8 |
# copyright notice, this list of conditions and the following
|
9 |
# disclaimer.
|
10 |
#
|
11 |
# 2. Redistributions in binary form must reproduce the above
|
12 |
# copyright notice, this list of conditions and the following
|
13 |
# disclaimer in the documentation and/or other materials
|
14 |
# provided with the distribution.
|
15 |
#
|
16 |
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 |
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 |
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 |
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 |
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 |
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 |
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 |
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 |
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 |
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 |
# POSSIBILITY OF SUCH DAMAGE.
|
28 |
#
|
29 |
# The views and conclusions contained in the software and
|
30 |
# documentation are those of the authors and should not be
|
31 |
# interpreted as representing official policies, either expressed
|
32 |
# or implied, of GRNET S.A.
|
33 |
|
34 |
from os.path import basename |
35 |
|
36 |
from kamaki.config import Config |
37 |
from kamaki.clients import ClientError |
38 |
from kamaki.clients.image import ImageClient |
39 |
from kamaki.clients.pithos import PithosClient |
40 |
from progress.bar import Bar |
41 |
|
42 |
from image_creator.util import FatalError, output, success |
43 |
|
44 |
CONTAINER = "images"
|
45 |
|
46 |
|
47 |
def progress(message): |
48 |
|
49 |
MSG_LENGTH = 30
|
50 |
|
51 |
def progress_gen(n): |
52 |
msg = "%s:" % message
|
53 |
|
54 |
progressbar = Bar(msg.ljust(MSG_LENGTH)) |
55 |
progressbar.max = n |
56 |
for _ in range(n): |
57 |
yield
|
58 |
progressbar.next() |
59 |
output("\r%s...\033[K" % message, False) |
60 |
success("done")
|
61 |
yield
|
62 |
return progress_gen
|
63 |
|
64 |
|
65 |
class Kamaki: |
66 |
def __init__(self, account, token): |
67 |
self.account = account
|
68 |
self.token = token
|
69 |
|
70 |
config = Config() |
71 |
|
72 |
pithos_url = config.get('storage', 'url') |
73 |
self.container = CONTAINER
|
74 |
self.pithos_client = PithosClient(pithos_url, token, self.account, |
75 |
self.container)
|
76 |
|
77 |
image_url = config.get('image', 'url') |
78 |
self.image_client = ImageClient(image_url, token)
|
79 |
|
80 |
self.uploaded_object = None |
81 |
|
82 |
def upload(self, file_obj, size=None, remote_path=None, hp=None, up=None): |
83 |
|
84 |
if remote_path is None: |
85 |
remote_path = basename(filename) |
86 |
|
87 |
try:
|
88 |
self.pithos_client.create_container(self.container) |
89 |
except ClientError as e: |
90 |
if e.status != 202: # Ignore container already exists errors |
91 |
raise FatalError("Pithos client: %d %s" % \ |
92 |
(e.status, e.message)) |
93 |
try:
|
94 |
hash_cb = progress(hp) if hp is not None else None |
95 |
upload_cb = progress(up) if up is not None else None |
96 |
self.pithos_client.create_object(remote_path, file_obj, size,
|
97 |
hash_cb, upload_cb) |
98 |
return "pithos://%s/%s/%s" % \ |
99 |
(self.account, self.container, remote_path) |
100 |
except ClientError as e: |
101 |
raise FatalError("Pithos client: %d %s" % (e.status, e.message)) |
102 |
|
103 |
def register(self, name, location, metadata): |
104 |
|
105 |
params = {'is_public': 'true', 'disk_format': 'diskdump'} |
106 |
try:
|
107 |
self.image_client.register(name, location, params, metadata)
|
108 |
except ClientError as e: |
109 |
raise FatalError("Image client: %d %s" % (e.status, e.message)) |
110 |
|
111 |
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
|