root / snf-cyclades-app / synnefo / vmapi / views.py @ ce55f724
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1 | 724e17a6 | Kostas Papadimitriou | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 724e17a6 | Kostas Papadimitriou | #
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3 | 724e17a6 | Kostas Papadimitriou | # Redistribution and use in source and binary forms, with or
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4 | 724e17a6 | Kostas Papadimitriou | # without modification, are permitted provided that the following
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5 | 724e17a6 | Kostas Papadimitriou | # conditions are met:
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6 | 724e17a6 | Kostas Papadimitriou | #
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7 | 724e17a6 | Kostas Papadimitriou | # 1. Redistributions of source code must retain the above
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8 | 724e17a6 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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9 | 724e17a6 | Kostas Papadimitriou | # disclaimer.
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10 | 724e17a6 | Kostas Papadimitriou | #
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11 | 724e17a6 | Kostas Papadimitriou | # 2. Redistributions in binary form must reproduce the above
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12 | 724e17a6 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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13 | 724e17a6 | Kostas Papadimitriou | # disclaimer in the documentation and/or other materials
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14 | 724e17a6 | Kostas Papadimitriou | # provided with the distribution.
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15 | 724e17a6 | Kostas Papadimitriou | #
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16 | 724e17a6 | Kostas Papadimitriou | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 724e17a6 | Kostas Papadimitriou | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 724e17a6 | Kostas Papadimitriou | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 724e17a6 | Kostas Papadimitriou | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 724e17a6 | Kostas Papadimitriou | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 724e17a6 | Kostas Papadimitriou | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 724e17a6 | Kostas Papadimitriou | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 724e17a6 | Kostas Papadimitriou | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 724e17a6 | Kostas Papadimitriou | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 724e17a6 | Kostas Papadimitriou | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 724e17a6 | Kostas Papadimitriou | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 724e17a6 | Kostas Papadimitriou | # POSSIBILITY OF SUCH DAMAGE.
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28 | 724e17a6 | Kostas Papadimitriou | #
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29 | 724e17a6 | Kostas Papadimitriou | # The views and conclusions contained in the software and
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30 | 724e17a6 | Kostas Papadimitriou | # documentation are those of the authors and should not be
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31 | 724e17a6 | Kostas Papadimitriou | # interpreted as representing official policies, either expressed
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32 | 724e17a6 | Kostas Papadimitriou | # or implied, of GRNET S.A.
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33 | 724e17a6 | Kostas Papadimitriou | |
34 | a9e5e76a | Kostas Papadimitriou | from logging import getLogger |
35 | a9e5e76a | Kostas Papadimitriou | |
36 | 724e17a6 | Kostas Papadimitriou | from django.http import Http404, HttpResponse |
37 | 724e17a6 | Kostas Papadimitriou | |
38 | 027e437a | Kostas Papadimitriou | from synnefo.vmapi import backend, get_key |
39 | a9e5e76a | Kostas Papadimitriou | from synnefo.vmapi import settings |
40 | a9e5e76a | Kostas Papadimitriou | |
41 | a9e5e76a | Kostas Papadimitriou | log = getLogger('synnefo.vmapi')
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42 | 724e17a6 | Kostas Papadimitriou | |
43 | 68b952f9 | Christos Stavrakakis | |
44 | 724e17a6 | Kostas Papadimitriou | def server_params(request, uuid): |
45 | 724e17a6 | Kostas Papadimitriou | if not uuid: |
46 | 724e17a6 | Kostas Papadimitriou | raise Http404
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47 | 724e17a6 | Kostas Papadimitriou | |
48 | a9e5e76a | Kostas Papadimitriou | cache_key = get_key(uuid) |
49 | a9e5e76a | Kostas Papadimitriou | params = backend.get(cache_key) |
50 | 724e17a6 | Kostas Papadimitriou | if not params: |
51 | a9e5e76a | Kostas Papadimitriou | log.error('Request vmapi params key not found: %s', cache_key)
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52 | 724e17a6 | Kostas Papadimitriou | raise Http404
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53 | 724e17a6 | Kostas Papadimitriou | |
54 | a9e5e76a | Kostas Papadimitriou | if settings.RESET_PARAMS:
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55 | a9e5e76a | Kostas Papadimitriou | backend.set(cache_key, None)
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56 | 724e17a6 | Kostas Papadimitriou | |
57 | 724e17a6 | Kostas Papadimitriou | return HttpResponse(params, content_type="application/json") |