root / kamaki / clients / __init__.py @ be4f79ea
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1 | 43ca98ee | Giorgos Verigakis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | a1c50326 | Giorgos Verigakis | #
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3 | a1c50326 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | a1c50326 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | a1c50326 | Giorgos Verigakis | # conditions are met:
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6 | a1c50326 | Giorgos Verigakis | #
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7 | a1c50326 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | a1c50326 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | a1c50326 | Giorgos Verigakis | # disclaimer.
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10 | a1c50326 | Giorgos Verigakis | #
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11 | a1c50326 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | a1c50326 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | a1c50326 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | a1c50326 | Giorgos Verigakis | # provided with the distribution.
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15 | a1c50326 | Giorgos Verigakis | #
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16 | a1c50326 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | a1c50326 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | a1c50326 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | a1c50326 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | a1c50326 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | a1c50326 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | a1c50326 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | a1c50326 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | a1c50326 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | a1c50326 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | a1c50326 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | a1c50326 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | a1c50326 | Giorgos Verigakis | #
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29 | a1c50326 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | a1c50326 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | a1c50326 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | a1c50326 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | a1c50326 | Giorgos Verigakis | |
34 | 6a0b1658 | Giorgos Verigakis | import json |
35 | 6a0b1658 | Giorgos Verigakis | import logging |
36 | 6a0b1658 | Giorgos Verigakis | |
37 | 6a0b1658 | Giorgos Verigakis | import requests |
38 | 6a0b1658 | Giorgos Verigakis | |
39 | 6a0b1658 | Giorgos Verigakis | from requests.auth import AuthBase |
40 | 6a0b1658 | Giorgos Verigakis | |
41 | 6a0b1658 | Giorgos Verigakis | |
42 | 6a0b1658 | Giorgos Verigakis | sendlog = logging.getLogger('clients.send')
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43 | 6a0b1658 | Giorgos Verigakis | recvlog = logging.getLogger('clients.recv')
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44 | 6a0b1658 | Giorgos Verigakis | |
45 | 6a0b1658 | Giorgos Verigakis | |
46 | 6a0b1658 | Giorgos Verigakis | # Add a convenience json property to the responses
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47 | 6a0b1658 | Giorgos Verigakis | def _json(self): |
48 | 6a0b1658 | Giorgos Verigakis | try:
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49 | 2bcb595a | Giorgos Verigakis | return json.loads(self.content) if self.content else {} |
50 | 6a0b1658 | Giorgos Verigakis | except ValueError: |
51 | 6a0b1658 | Giorgos Verigakis | raise ClientError("Invalid JSON reply", self.status_code) |
52 | 6a0b1658 | Giorgos Verigakis | requests.Response.json = property(_json)
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53 | 6a0b1658 | Giorgos Verigakis | |
54 | 6a0b1658 | Giorgos Verigakis | # Add a convenience status property to the responses
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55 | 6a0b1658 | Giorgos Verigakis | def _status(self): |
56 | 6a0b1658 | Giorgos Verigakis | return requests.status_codes._codes[self.status_code][0].upper() |
57 | 6a0b1658 | Giorgos Verigakis | requests.Response.status = property(_status)
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58 | 6a0b1658 | Giorgos Verigakis | |
59 | 6a0b1658 | Giorgos Verigakis | |
60 | 6a0b1658 | Giorgos Verigakis | class XAuthTokenAuth(AuthBase): |
61 | 6a0b1658 | Giorgos Verigakis | def __init__(self, token): |
62 | 6a0b1658 | Giorgos Verigakis | self.token = token
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63 | 6a0b1658 | Giorgos Verigakis | |
64 | 6a0b1658 | Giorgos Verigakis | def __call__(self, r): |
65 | 6a0b1658 | Giorgos Verigakis | r.headers['X-Auth-Token'] = self.token |
66 | 6a0b1658 | Giorgos Verigakis | return r
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67 | 6a0b1658 | Giorgos Verigakis | |
68 | 6a0b1658 | Giorgos Verigakis | |
69 | a1c50326 | Giorgos Verigakis | class ClientError(Exception): |
70 | a1c50326 | Giorgos Verigakis | def __init__(self, message, status=0, details=''): |
71 | a1c50326 | Giorgos Verigakis | self.message = message
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72 | a1c50326 | Giorgos Verigakis | self.status = status
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73 | a1c50326 | Giorgos Verigakis | self.details = details
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74 | a1c50326 | Giorgos Verigakis | |
75 | a1c50326 | Giorgos Verigakis | |
76 | 6a0b1658 | Giorgos Verigakis | class Client(object): |
77 | 43ca98ee | Giorgos Verigakis | def __init__(self, base_url, token): |
78 | 6a0b1658 | Giorgos Verigakis | self.base_url = base_url
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79 | 6a0b1658 | Giorgos Verigakis | self.auth = XAuthTokenAuth(token)
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80 | 6a0b1658 | Giorgos Verigakis | |
81 | 43ca98ee | Giorgos Verigakis | def raise_for_status(self, r): |
82 | 43ca98ee | Giorgos Verigakis | message = "%d %s" % (r.status_code, r.status)
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83 | 43ca98ee | Giorgos Verigakis | details = r.text |
84 | 6a0b1658 | Giorgos Verigakis | raise ClientError(message, r.status_code, details)
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85 | 6a0b1658 | Giorgos Verigakis | |
86 | 6a0b1658 | Giorgos Verigakis | def request(self, method, path, **kwargs): |
87 | 6a0b1658 | Giorgos Verigakis | raw = kwargs.pop('raw', False) |
88 | 6a0b1658 | Giorgos Verigakis | success = kwargs.pop('success', 200) |
89 | 6a0b1658 | Giorgos Verigakis | if 'json' in kwargs: |
90 | 6a0b1658 | Giorgos Verigakis | data = json.dumps(kwargs.pop('json'))
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91 | 6a0b1658 | Giorgos Verigakis | kwargs['data'] = data
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92 | 6a0b1658 | Giorgos Verigakis | headers = kwargs.setdefault('headers', {})
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93 | 6a0b1658 | Giorgos Verigakis | headers['content-type'] = 'application/json' |
94 | 6a0b1658 | Giorgos Verigakis | |
95 | 6a0b1658 | Giorgos Verigakis | url = self.base_url + path
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96 | 6a0b1658 | Giorgos Verigakis | kwargs.setdefault('auth', self.auth) |
97 | be4f79ea | Giorgos Verigakis | kwargs.setdefault('verify', False) # Disable certificate verification |
98 | 6a0b1658 | Giorgos Verigakis | r = requests.request(method, url, **kwargs) |
99 | 6a0b1658 | Giorgos Verigakis | |
100 | 6a0b1658 | Giorgos Verigakis | req = r.request |
101 | 6a0b1658 | Giorgos Verigakis | sendlog.info('%s %s', req.method, req.url)
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102 | 6a0b1658 | Giorgos Verigakis | for key, val in req.headers.items(): |
103 | 6a0b1658 | Giorgos Verigakis | sendlog.info('%s: %s', key, val)
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104 | 6a0b1658 | Giorgos Verigakis | sendlog.info('')
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105 | 6a0b1658 | Giorgos Verigakis | if req.data:
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106 | 6a0b1658 | Giorgos Verigakis | sendlog.info('%s', req.data)
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107 | 6a0b1658 | Giorgos Verigakis | |
108 | 6a0b1658 | Giorgos Verigakis | recvlog.info('%d %s', r.status_code, r.status)
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109 | 6a0b1658 | Giorgos Verigakis | for key, val in r.headers.items(): |
110 | 6a0b1658 | Giorgos Verigakis | recvlog.info('%s: %s', key, val)
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111 | 6a0b1658 | Giorgos Verigakis | recvlog.info('')
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112 | 6a0b1658 | Giorgos Verigakis | if not raw and r.text: |
113 | 6a0b1658 | Giorgos Verigakis | recvlog.debug(r.text) |
114 | 6a0b1658 | Giorgos Verigakis | |
115 | 6a0b1658 | Giorgos Verigakis | if success is not None: |
116 | 6a0b1658 | Giorgos Verigakis | # Success can either be an in or a collection
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117 | 6a0b1658 | Giorgos Verigakis | success = (success,) if isinstance(success, int) else success |
118 | 6a0b1658 | Giorgos Verigakis | if r.status_code not in success: |
119 | 6a0b1658 | Giorgos Verigakis | self.raise_for_status(r)
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120 | 6a0b1658 | Giorgos Verigakis | |
121 | a1c50326 | Giorgos Verigakis | return r
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122 | a1c50326 | Giorgos Verigakis | |
123 | 6a0b1658 | Giorgos Verigakis | def delete(self, path, **kwargs): |
124 | 6a0b1658 | Giorgos Verigakis | return self.request('delete', path, **kwargs) |
125 | 6a0b1658 | Giorgos Verigakis | |
126 | 6a0b1658 | Giorgos Verigakis | def get(self, path, **kwargs): |
127 | 6a0b1658 | Giorgos Verigakis | return self.request('get', path, **kwargs) |
128 | 6a0b1658 | Giorgos Verigakis | |
129 | 6a0b1658 | Giorgos Verigakis | def head(self, path, **kwargs): |
130 | 6a0b1658 | Giorgos Verigakis | return self.request('head', path, **kwargs) |
131 | 6a0b1658 | Giorgos Verigakis | |
132 | 6a0b1658 | Giorgos Verigakis | def post(self, path, **kwargs): |
133 | 6a0b1658 | Giorgos Verigakis | return self.request('post', path, **kwargs) |
134 | 6a0b1658 | Giorgos Verigakis | |
135 | 6a0b1658 | Giorgos Verigakis | def put(self, path, **kwargs): |
136 | 6a0b1658 | Giorgos Verigakis | return self.request('put', path, **kwargs) |
137 | 6a0b1658 | Giorgos Verigakis | |
138 | a1c50326 | Giorgos Verigakis | |
139 | 6a0b1658 | Giorgos Verigakis | from .compute import ComputeClient as compute |
140 | 6a0b1658 | Giorgos Verigakis | from .image import ImageClient as image |
141 | 6a0b1658 | Giorgos Verigakis | from .storage import StorageClient as storage |
142 | 6a0b1658 | Giorgos Verigakis | from .cyclades import CycladesClient as cyclades |
143 | 6a0b1658 | Giorgos Verigakis | from .pithos import PithosClient as pithos |
144 | 43ca98ee | Giorgos Verigakis | from .astakos import AstakosClient as astakos |