root / image_creator / kamaki_wrapper.py @ 121f3bc0
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1 | 121f3bc0 | Nikos Skalkotos | # -*- coding: utf-8 -*-
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2 | 121f3bc0 | Nikos Skalkotos | #
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3 | 40e7a487 | Nikos Skalkotos | # Copyright 2012 GRNET S.A. All rights reserved.
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4 | 40e7a487 | Nikos Skalkotos | #
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5 | 40e7a487 | Nikos Skalkotos | # Redistribution and use in source and binary forms, with or
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6 | 40e7a487 | Nikos Skalkotos | # without modification, are permitted provided that the following
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7 | 40e7a487 | Nikos Skalkotos | # conditions are met:
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8 | 40e7a487 | Nikos Skalkotos | #
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9 | 40e7a487 | Nikos Skalkotos | # 1. Redistributions of source code must retain the above
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10 | 40e7a487 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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11 | 40e7a487 | Nikos Skalkotos | # disclaimer.
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12 | 40e7a487 | Nikos Skalkotos | #
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13 | 40e7a487 | Nikos Skalkotos | # 2. Redistributions in binary form must reproduce the above
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14 | 40e7a487 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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15 | 40e7a487 | Nikos Skalkotos | # disclaimer in the documentation and/or other materials
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16 | 40e7a487 | Nikos Skalkotos | # provided with the distribution.
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17 | 40e7a487 | Nikos Skalkotos | #
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18 | 40e7a487 | Nikos Skalkotos | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | 40e7a487 | Nikos Skalkotos | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | 40e7a487 | Nikos Skalkotos | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | 40e7a487 | Nikos Skalkotos | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | 40e7a487 | Nikos Skalkotos | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | 40e7a487 | Nikos Skalkotos | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | 40e7a487 | Nikos Skalkotos | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | 40e7a487 | Nikos Skalkotos | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | 40e7a487 | Nikos Skalkotos | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | 40e7a487 | Nikos Skalkotos | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | 40e7a487 | Nikos Skalkotos | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | 40e7a487 | Nikos Skalkotos | # POSSIBILITY OF SUCH DAMAGE.
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30 | 40e7a487 | Nikos Skalkotos | #
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31 | 40e7a487 | Nikos Skalkotos | # The views and conclusions contained in the software and
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32 | 40e7a487 | Nikos Skalkotos | # documentation are those of the authors and should not be
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33 | 40e7a487 | Nikos Skalkotos | # interpreted as representing official policies, either expressed
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34 | 40e7a487 | Nikos Skalkotos | # or implied, of GRNET S.A.
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35 | 40e7a487 | Nikos Skalkotos | |
36 | 121f3bc0 | Nikos Skalkotos | """This modules provides the interface for working with the ./kamaki library.
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37 | 121f3bc0 | Nikos Skalkotos | The library is used to upload images to and register them with a Synnefo
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38 | 121f3bc0 | Nikos Skalkotos | deployment.
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39 | 121f3bc0 | Nikos Skalkotos | """
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40 | 121f3bc0 | Nikos Skalkotos | |
41 | 40e7a487 | Nikos Skalkotos | from os.path import basename |
42 | 40e7a487 | Nikos Skalkotos | |
43 | 3dfe3651 | Nikos Skalkotos | from kamaki.cli.config import Config |
44 | 997ac76a | Nikos Skalkotos | from kamaki.clients import ClientError |
45 | 40e7a487 | Nikos Skalkotos | from kamaki.clients.image import ImageClient |
46 | 997ac76a | Nikos Skalkotos | from kamaki.clients.pithos import PithosClient |
47 | 31160dc8 | Nikos Skalkotos | from kamaki.clients.astakos import AstakosClient |
48 | 40e7a487 | Nikos Skalkotos | |
49 | 40e7a487 | Nikos Skalkotos | |
50 | e77e66a9 | Nikos Skalkotos | class Kamaki(object): |
51 | 121f3bc0 | Nikos Skalkotos | """Wrapper class for the ./kamaki library"""
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52 | 31160dc8 | Nikos Skalkotos | CONTAINER = "images"
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53 | cf4f52b6 | Nikos Skalkotos | |
54 | 24684bbb | Nikos Skalkotos | @staticmethod
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55 | 24684bbb | Nikos Skalkotos | def get_token(): |
56 | 88f83027 | Nikos Skalkotos | """Get the saved token"""
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57 | 24684bbb | Nikos Skalkotos | config = Config() |
58 | 24684bbb | Nikos Skalkotos | return config.get('global', 'token') |
59 | cf4f52b6 | Nikos Skalkotos | |
60 | cf4f52b6 | Nikos Skalkotos | @staticmethod
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61 | 31160dc8 | Nikos Skalkotos | def save_token(token): |
62 | 88f83027 | Nikos Skalkotos | """Save this token to the configuration file"""
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63 | cf4f52b6 | Nikos Skalkotos | config = Config() |
64 | 31160dc8 | Nikos Skalkotos | config.set('global', 'token', token) |
65 | cf4f52b6 | Nikos Skalkotos | config.write() |
66 | cf4f52b6 | Nikos Skalkotos | |
67 | cf4f52b6 | Nikos Skalkotos | @staticmethod
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68 | 31160dc8 | Nikos Skalkotos | def get_account(token): |
69 | 88f83027 | Nikos Skalkotos | """Return the account corresponding to this token"""
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70 | cf4f52b6 | Nikos Skalkotos | config = Config() |
71 | ee0719db | Nikos Skalkotos | astakos = AstakosClient(config.get('user', 'url'), token) |
72 | 31160dc8 | Nikos Skalkotos | try:
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73 | 31160dc8 | Nikos Skalkotos | account = astakos.info() |
74 | 31160dc8 | Nikos Skalkotos | except ClientError as e: |
75 | 31160dc8 | Nikos Skalkotos | if e.status == 401: # Unauthorized: invalid token |
76 | 31160dc8 | Nikos Skalkotos | return None |
77 | 31160dc8 | Nikos Skalkotos | else:
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78 | 31160dc8 | Nikos Skalkotos | raise
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79 | 31160dc8 | Nikos Skalkotos | return account
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80 | cf4f52b6 | Nikos Skalkotos | |
81 | 31160dc8 | Nikos Skalkotos | def __init__(self, account, output): |
82 | 88f83027 | Nikos Skalkotos | """Create a Kamaki instance"""
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83 | 997ac76a | Nikos Skalkotos | self.account = account
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84 | e77e66a9 | Nikos Skalkotos | self.out = output
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85 | 40e7a487 | Nikos Skalkotos | |
86 | 40e7a487 | Nikos Skalkotos | config = Config() |
87 | 40e7a487 | Nikos Skalkotos | |
88 | ee0719db | Nikos Skalkotos | pithos_url = config.get('file', 'url') |
89 | 37d581b8 | Nikos Skalkotos | self.pithos_client = PithosClient(
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90 | 37d581b8 | Nikos Skalkotos | pithos_url, self.account['auth_token'], self.account['uuid'], |
91 | 37d581b8 | Nikos Skalkotos | self.CONTAINER)
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92 | 40e7a487 | Nikos Skalkotos | |
93 | 40e7a487 | Nikos Skalkotos | image_url = config.get('image', 'url') |
94 | 31160dc8 | Nikos Skalkotos | self.image_client = ImageClient(image_url, self.account['auth_token']) |
95 | 40e7a487 | Nikos Skalkotos | |
96 | b1395967 | Nikos Skalkotos | def upload(self, file_obj, size=None, remote_path=None, hp=None, up=None): |
97 | b1aea98e | Nikos Skalkotos | """Upload a file to pithos"""
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98 | 3b7d3fc7 | Nikos Skalkotos | |
99 | 3b7d3fc7 | Nikos Skalkotos | path = basename(file_obj.name) if remote_path is None else remote_path |
100 | 40e7a487 | Nikos Skalkotos | |
101 | b1395967 | Nikos Skalkotos | try:
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102 | 31160dc8 | Nikos Skalkotos | self.pithos_client.create_container(self.CONTAINER) |
103 | b1395967 | Nikos Skalkotos | except ClientError as e: |
104 | b1395967 | Nikos Skalkotos | if e.status != 202: # Ignore container already exists errors |
105 | 3b7d3fc7 | Nikos Skalkotos | raise e
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106 | 3b7d3fc7 | Nikos Skalkotos | |
107 | 3b7d3fc7 | Nikos Skalkotos | hash_cb = self.out.progress_generator(hp) if hp is not None else None |
108 | 3b7d3fc7 | Nikos Skalkotos | upload_cb = self.out.progress_generator(up) if up is not None else None |
109 | 3b7d3fc7 | Nikos Skalkotos | |
110 | 55fd2858 | Nikos Skalkotos | self.pithos_client.upload_object(path, file_obj, size, hash_cb,
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111 | 3b7d3fc7 | Nikos Skalkotos | upload_cb) |
112 | 3b7d3fc7 | Nikos Skalkotos | |
113 | 31160dc8 | Nikos Skalkotos | return "pithos://%s/%s/%s" % (self.account['uuid'], self.CONTAINER, |
114 | 31160dc8 | Nikos Skalkotos | path) |
115 | 997ac76a | Nikos Skalkotos | |
116 | 37d581b8 | Nikos Skalkotos | def register(self, name, location, metadata, public=False): |
117 | b1aea98e | Nikos Skalkotos | """Register an image to ~okeanos"""
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118 | 3b7d3fc7 | Nikos Skalkotos | |
119 | d3445122 | Nikos Skalkotos | # Convert all metadata to strings
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120 | d3445122 | Nikos Skalkotos | str_metadata = {} |
121 | d3445122 | Nikos Skalkotos | for (key, value) in metadata.iteritems(): |
122 | f99fe99d | Nikos Skalkotos | str_metadata[str(key)] = str(value) |
123 | 37d581b8 | Nikos Skalkotos | is_public = 'true' if public else 'false' |
124 | 37d581b8 | Nikos Skalkotos | params = {'is_public': is_public, 'disk_format': 'diskdump'} |
125 | d3445122 | Nikos Skalkotos | self.image_client.register(name, location, params, str_metadata)
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126 | 40e7a487 | Nikos Skalkotos | |
127 | 3afe6b44 | Nikos Skalkotos | def share(self, location): |
128 | 3afe6b44 | Nikos Skalkotos | """Share this file with all the users"""
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129 | 3afe6b44 | Nikos Skalkotos | |
130 | 3afe6b44 | Nikos Skalkotos | self.pithos_client.set_object_sharing(location, "*") |
131 | 3afe6b44 | Nikos Skalkotos | |
132 | 03eb7dc8 | Nikos Skalkotos | def object_exists(self, location): |
133 | 03eb7dc8 | Nikos Skalkotos | """Check if an object exists in pythos"""
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134 | 03eb7dc8 | Nikos Skalkotos | |
135 | 03eb7dc8 | Nikos Skalkotos | try:
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136 | 03eb7dc8 | Nikos Skalkotos | self.pithos_client.get_object_info(location)
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137 | 03eb7dc8 | Nikos Skalkotos | except ClientError as e: |
138 | 03eb7dc8 | Nikos Skalkotos | if e.status == 404: # Object not found error |
139 | 03eb7dc8 | Nikos Skalkotos | return False |
140 | 03eb7dc8 | Nikos Skalkotos | else:
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141 | 03eb7dc8 | Nikos Skalkotos | raise
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142 | 03eb7dc8 | Nikos Skalkotos | return True |
143 | 03eb7dc8 | Nikos Skalkotos | |
144 | 6152a559 | Nikos Skalkotos | # vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |