root / api / images.py @ f4fe8796
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1 | adee02b8 | Giorgos Verigakis | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | adee02b8 | Giorgos Verigakis | #
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3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | adee02b8 | Giorgos Verigakis | # conditions are met:
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6 | adee02b8 | Giorgos Verigakis | #
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7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | adee02b8 | Giorgos Verigakis | # disclaimer.
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10 | adee02b8 | Giorgos Verigakis | #
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11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
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15 | adee02b8 | Giorgos Verigakis | #
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16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | adee02b8 | Giorgos Verigakis | #
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29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | c36934a7 | Giorgos Verigakis | |
34 | d8e50a39 | Giorgos Verigakis | from django.conf.urls.defaults import patterns |
35 | 75768d0e | Giorgos Verigakis | from django.db.models import Q |
36 | c36934a7 | Giorgos Verigakis | from django.http import HttpResponse |
37 | c36934a7 | Giorgos Verigakis | from django.template.loader import render_to_string |
38 | 29a59bc1 | Giorgos Verigakis | from django.utils import simplejson as json |
39 | c36934a7 | Giorgos Verigakis | |
40 | b36f78fa | Giorgos Verigakis | from synnefo.api import util |
41 | b36f78fa | Giorgos Verigakis | from synnefo.api.common import method_not_allowed |
42 | b36f78fa | Giorgos Verigakis | from synnefo.api.faults import BadRequest |
43 | b36f78fa | Giorgos Verigakis | from synnefo.db.models import Image, ImageMetadata |
44 | b36f78fa | Giorgos Verigakis | |
45 | c36934a7 | Giorgos Verigakis | |
46 | c36934a7 | Giorgos Verigakis | urlpatterns = patterns('synnefo.api.images',
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47 | c36934a7 | Giorgos Verigakis | (r'^(?:/|.json|.xml)?$', 'demux'), |
48 | c36934a7 | Giorgos Verigakis | (r'^/detail(?:.json|.xml)?$', 'list_images', {'detail': True}), |
49 | c36934a7 | Giorgos Verigakis | (r'^/(\d+)(?:.json|.xml)?$', 'image_demux'), |
50 | 432fc8c3 | Giorgos Verigakis | (r'^/(\d+)/meta(?:.json|.xml)?$', 'metadata_demux'), |
51 | 432fc8c3 | Giorgos Verigakis | (r'^/(\d+)/meta/(.+?)(?:.json|.xml)?$', 'metadata_item_demux'), |
52 | c36934a7 | Giorgos Verigakis | ) |
53 | c36934a7 | Giorgos Verigakis | |
54 | c36934a7 | Giorgos Verigakis | def demux(request): |
55 | c36934a7 | Giorgos Verigakis | if request.method == 'GET': |
56 | c36934a7 | Giorgos Verigakis | return list_images(request)
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57 | c36934a7 | Giorgos Verigakis | elif request.method == 'POST': |
58 | c36934a7 | Giorgos Verigakis | return create_image(request)
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59 | c36934a7 | Giorgos Verigakis | else:
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60 | d8e50a39 | Giorgos Verigakis | return method_not_allowed(request)
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61 | c36934a7 | Giorgos Verigakis | |
62 | c36934a7 | Giorgos Verigakis | def image_demux(request, image_id): |
63 | c36934a7 | Giorgos Verigakis | if request.method == 'GET': |
64 | c36934a7 | Giorgos Verigakis | return get_image_details(request, image_id)
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65 | c36934a7 | Giorgos Verigakis | elif request.method == 'DELETE': |
66 | c36934a7 | Giorgos Verigakis | return delete_image(request, image_id)
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67 | c36934a7 | Giorgos Verigakis | else:
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68 | d8e50a39 | Giorgos Verigakis | return method_not_allowed(request)
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69 | c36934a7 | Giorgos Verigakis | |
70 | 432fc8c3 | Giorgos Verigakis | def metadata_demux(request, image_id): |
71 | 432fc8c3 | Giorgos Verigakis | if request.method == 'GET': |
72 | 432fc8c3 | Giorgos Verigakis | return list_metadata(request, image_id)
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73 | 432fc8c3 | Giorgos Verigakis | elif request.method == 'POST': |
74 | 432fc8c3 | Giorgos Verigakis | return update_metadata(request, image_id)
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75 | 432fc8c3 | Giorgos Verigakis | else:
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76 | 432fc8c3 | Giorgos Verigakis | return method_not_allowed(request)
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77 | 432fc8c3 | Giorgos Verigakis | |
78 | 432fc8c3 | Giorgos Verigakis | def metadata_item_demux(request, image_id, key): |
79 | 432fc8c3 | Giorgos Verigakis | if request.method == 'GET': |
80 | 432fc8c3 | Giorgos Verigakis | return get_metadata_item(request, image_id, key)
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81 | 432fc8c3 | Giorgos Verigakis | elif request.method == 'PUT': |
82 | 432fc8c3 | Giorgos Verigakis | return create_metadata_item(request, image_id, key)
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83 | 432fc8c3 | Giorgos Verigakis | elif request.method == 'DELETE': |
84 | 432fc8c3 | Giorgos Verigakis | return delete_metadata_item(request, image_id, key)
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85 | 432fc8c3 | Giorgos Verigakis | else:
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86 | 432fc8c3 | Giorgos Verigakis | return method_not_allowed(request)
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87 | 432fc8c3 | Giorgos Verigakis | |
88 | c36934a7 | Giorgos Verigakis | |
89 | c36934a7 | Giorgos Verigakis | def image_to_dict(image, detail=True): |
90 | c36934a7 | Giorgos Verigakis | d = {'id': image.id, 'name': image.name} |
91 | c36934a7 | Giorgos Verigakis | if detail:
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92 | b36f78fa | Giorgos Verigakis | d['updated'] = util.isoformat(image.updated)
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93 | b36f78fa | Giorgos Verigakis | d['created'] = util.isoformat(image.created)
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94 | c36934a7 | Giorgos Verigakis | d['status'] = image.state
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95 | c36934a7 | Giorgos Verigakis | d['progress'] = 100 if image.state == 'ACTIVE' else 0 |
96 | c36934a7 | Giorgos Verigakis | if image.sourcevm:
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97 | c36934a7 | Giorgos Verigakis | d['serverRef'] = image.sourcevm.id
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98 | aa197ee4 | Vangelis Koukis | |
99 | a62a4d20 | Giorgos Verigakis | metadata = {} |
100 | a62a4d20 | Giorgos Verigakis | for meta in ImageMetadata.objects.filter(image=image): |
101 | a62a4d20 | Giorgos Verigakis | metadata[meta.meta_key] = meta.meta_value |
102 | aa197ee4 | Vangelis Koukis | |
103 | a62a4d20 | Giorgos Verigakis | if metadata:
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104 | a62a4d20 | Giorgos Verigakis | d['metadata'] = {'values': metadata} |
105 | aa197ee4 | Vangelis Koukis | |
106 | c36934a7 | Giorgos Verigakis | return d
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107 | c36934a7 | Giorgos Verigakis | |
108 | 432fc8c3 | Giorgos Verigakis | def metadata_to_dict(image): |
109 | 432fc8c3 | Giorgos Verigakis | image_meta = image.imagemetadata_set.all() |
110 | 432fc8c3 | Giorgos Verigakis | return dict((meta.meta_key, meta.meta_value) for meta in image_meta) |
111 | 432fc8c3 | Giorgos Verigakis | |
112 | c36934a7 | Giorgos Verigakis | |
113 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
114 | c36934a7 | Giorgos Verigakis | def list_images(request, detail=False): |
115 | c36934a7 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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116 | c36934a7 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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117 | c36934a7 | Giorgos Verigakis | # serviceUnavailable (503),
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118 | c36934a7 | Giorgos Verigakis | # unauthorized (401),
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119 | c36934a7 | Giorgos Verigakis | # badRequest (400),
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120 | c36934a7 | Giorgos Verigakis | # overLimit (413)
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121 | 93677203 | Giorgos Verigakis | |
122 | 93677203 | Giorgos Verigakis | user_images = Image.objects.filter(Q(owner=request.user) | Q(public=True))
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123 | b36f78fa | Giorgos Verigakis | since = util.isoparse(request.GET.get('changes-since'))
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124 | 75768d0e | Giorgos Verigakis | |
125 | d8e50a39 | Giorgos Verigakis | if since:
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126 | 93677203 | Giorgos Verigakis | user_images = user_images.filter(updated__gte=since) |
127 | 93677203 | Giorgos Verigakis | if not user_images: |
128 | d8e50a39 | Giorgos Verigakis | return HttpResponse(status=304) |
129 | 93677203 | Giorgos Verigakis | else:
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130 | 93677203 | Giorgos Verigakis | user_images = user_images.exclude(state='DELETED')
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131 | 93677203 | Giorgos Verigakis | |
132 | 93677203 | Giorgos Verigakis | images = [image_to_dict(image, detail) for image in user_images] |
133 | 75768d0e | Giorgos Verigakis | |
134 | d8e50a39 | Giorgos Verigakis | if request.serialization == 'xml': |
135 | b36f78fa | Giorgos Verigakis | data = render_to_string('list_images.xml', {
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136 | b36f78fa | Giorgos Verigakis | 'images': images,
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137 | b36f78fa | Giorgos Verigakis | 'detail': detail})
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138 | c36934a7 | Giorgos Verigakis | else:
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139 | c36934a7 | Giorgos Verigakis | data = json.dumps({'images': {'values': images}}) |
140 | aa197ee4 | Vangelis Koukis | |
141 | d8e50a39 | Giorgos Verigakis | return HttpResponse(data, status=200) |
142 | c36934a7 | Giorgos Verigakis | |
143 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
144 | c36934a7 | Giorgos Verigakis | def create_image(request): |
145 | c36934a7 | Giorgos Verigakis | # Normal Response Code: 202
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146 | c36934a7 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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147 | c36934a7 | Giorgos Verigakis | # serviceUnavailable (503),
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148 | c36934a7 | Giorgos Verigakis | # unauthorized (401),
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149 | c36934a7 | Giorgos Verigakis | # badMediaType(415),
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150 | c36934a7 | Giorgos Verigakis | # itemNotFound (404),
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151 | c36934a7 | Giorgos Verigakis | # badRequest (400),
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152 | c36934a7 | Giorgos Verigakis | # serverCapacityUnavailable (503),
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153 | c36934a7 | Giorgos Verigakis | # buildInProgress (409),
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154 | c36934a7 | Giorgos Verigakis | # resizeNotAllowed (403),
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155 | c36934a7 | Giorgos Verigakis | # backupOrResizeInProgress (409),
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156 | c36934a7 | Giorgos Verigakis | # overLimit (413)
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157 | aa197ee4 | Vangelis Koukis | |
158 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
159 | aa197ee4 | Vangelis Koukis | |
160 | c36934a7 | Giorgos Verigakis | try:
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161 | c36934a7 | Giorgos Verigakis | d = req['image']
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162 | 432fc8c3 | Giorgos Verigakis | server_id = d['serverRef']
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163 | 432fc8c3 | Giorgos Verigakis | name = d['name']
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164 | 432fc8c3 | Giorgos Verigakis | except (KeyError, ValueError): |
165 | 432fc8c3 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
166 | aa197ee4 | Vangelis Koukis | |
167 | 40777cc8 | Giorgos Verigakis | owner = request.user |
168 | b36f78fa | Giorgos Verigakis | vm = util.get_vm(server_id, owner) |
169 | 838c404d | Giorgos Verigakis | image = Image.objects.create(name=name, owner=owner, sourcevm=vm) |
170 | aa197ee4 | Vangelis Koukis | |
171 | c36934a7 | Giorgos Verigakis | imagedict = image_to_dict(image) |
172 | d8e50a39 | Giorgos Verigakis | if request.serialization == 'xml': |
173 | c36934a7 | Giorgos Verigakis | data = render_to_string('image.xml', {'image': imagedict}) |
174 | c36934a7 | Giorgos Verigakis | else:
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175 | c36934a7 | Giorgos Verigakis | data = json.dumps({'image': imagedict})
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176 | aa197ee4 | Vangelis Koukis | |
177 | c36934a7 | Giorgos Verigakis | return HttpResponse(data, status=202) |
178 | c36934a7 | Giorgos Verigakis | |
179 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
180 | c36934a7 | Giorgos Verigakis | def get_image_details(request, image_id): |
181 | c36934a7 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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182 | c36934a7 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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183 | c36934a7 | Giorgos Verigakis | # serviceUnavailable (503),
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184 | c36934a7 | Giorgos Verigakis | # unauthorized (401),
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185 | c36934a7 | Giorgos Verigakis | # badRequest (400),
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186 | c36934a7 | Giorgos Verigakis | # itemNotFound (404),
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187 | c36934a7 | Giorgos Verigakis | # overLimit (413)
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188 | aa197ee4 | Vangelis Koukis | |
189 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
190 | d8e50a39 | Giorgos Verigakis | imagedict = image_to_dict(image) |
191 | aa197ee4 | Vangelis Koukis | |
192 | d8e50a39 | Giorgos Verigakis | if request.serialization == 'xml': |
193 | c36934a7 | Giorgos Verigakis | data = render_to_string('image.xml', {'image': imagedict}) |
194 | c36934a7 | Giorgos Verigakis | else:
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195 | c36934a7 | Giorgos Verigakis | data = json.dumps({'image': imagedict})
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196 | aa197ee4 | Vangelis Koukis | |
197 | c36934a7 | Giorgos Verigakis | return HttpResponse(data, status=200) |
198 | c36934a7 | Giorgos Verigakis | |
199 | b36f78fa | Giorgos Verigakis | @util.api_method('DELETE') |
200 | c36934a7 | Giorgos Verigakis | def delete_image(request, image_id): |
201 | c36934a7 | Giorgos Verigakis | # Normal Response Code: 204
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202 | c36934a7 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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203 | c36934a7 | Giorgos Verigakis | # serviceUnavailable (503),
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204 | c36934a7 | Giorgos Verigakis | # unauthorized (401),
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205 | c36934a7 | Giorgos Verigakis | # itemNotFound (404),
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206 | c36934a7 | Giorgos Verigakis | # overLimit (413)
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207 | aa197ee4 | Vangelis Koukis | |
208 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
209 | 93677203 | Giorgos Verigakis | image.state = 'DELETED'
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210 | 93677203 | Giorgos Verigakis | image.save() |
211 | c36934a7 | Giorgos Verigakis | return HttpResponse(status=204) |
212 | 432fc8c3 | Giorgos Verigakis | |
213 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
214 | 432fc8c3 | Giorgos Verigakis | def list_metadata(request, image_id): |
215 | 432fc8c3 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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216 | 432fc8c3 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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217 | 432fc8c3 | Giorgos Verigakis | # serviceUnavailable (503),
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218 | 432fc8c3 | Giorgos Verigakis | # unauthorized (401),
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219 | 432fc8c3 | Giorgos Verigakis | # badRequest (400),
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220 | 432fc8c3 | Giorgos Verigakis | # overLimit (413)
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221 | 432fc8c3 | Giorgos Verigakis | |
222 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
223 | 432fc8c3 | Giorgos Verigakis | metadata = metadata_to_dict(image) |
224 | b36f78fa | Giorgos Verigakis | return util.render_metadata(request, metadata, use_values=True, status=200) |
225 | 432fc8c3 | Giorgos Verigakis | |
226 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
227 | 432fc8c3 | Giorgos Verigakis | def update_metadata(request, image_id): |
228 | 432fc8c3 | Giorgos Verigakis | # Normal Response Code: 201
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229 | 432fc8c3 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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230 | 432fc8c3 | Giorgos Verigakis | # serviceUnavailable (503),
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231 | 432fc8c3 | Giorgos Verigakis | # unauthorized (401),
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232 | 432fc8c3 | Giorgos Verigakis | # badRequest (400),
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233 | 432fc8c3 | Giorgos Verigakis | # buildInProgress (409),
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234 | 432fc8c3 | Giorgos Verigakis | # badMediaType(415),
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235 | 432fc8c3 | Giorgos Verigakis | # overLimit (413)
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236 | 432fc8c3 | Giorgos Verigakis | |
237 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
238 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
239 | 432fc8c3 | Giorgos Verigakis | try:
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240 | 432fc8c3 | Giorgos Verigakis | metadata = req['metadata']
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241 | 432fc8c3 | Giorgos Verigakis | assert isinstance(metadata, dict) |
242 | 432fc8c3 | Giorgos Verigakis | except (KeyError, AssertionError): |
243 | 432fc8c3 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
244 | 432fc8c3 | Giorgos Verigakis | |
245 | 432fc8c3 | Giorgos Verigakis | updated = {} |
246 | 432fc8c3 | Giorgos Verigakis | |
247 | 432fc8c3 | Giorgos Verigakis | for key, val in metadata.items(): |
248 | 432fc8c3 | Giorgos Verigakis | try:
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249 | 432fc8c3 | Giorgos Verigakis | meta = ImageMetadata.objects.get(meta_key=key, image=image) |
250 | 432fc8c3 | Giorgos Verigakis | meta.meta_value = val |
251 | 432fc8c3 | Giorgos Verigakis | meta.save() |
252 | 432fc8c3 | Giorgos Verigakis | updated[key] = val |
253 | 432fc8c3 | Giorgos Verigakis | except ImageMetadata.DoesNotExist:
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254 | 432fc8c3 | Giorgos Verigakis | pass # Ignore non-existent metadata |
255 | 5509b599 | Giorgos Verigakis | |
256 | 5509b599 | Giorgos Verigakis | if updated:
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257 | 5509b599 | Giorgos Verigakis | image.save() |
258 | 5509b599 | Giorgos Verigakis | |
259 | b36f78fa | Giorgos Verigakis | return util.render_metadata(request, updated, status=201) |
260 | 432fc8c3 | Giorgos Verigakis | |
261 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
262 | 432fc8c3 | Giorgos Verigakis | def get_metadata_item(request, image_id, key): |
263 | 432fc8c3 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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264 | 432fc8c3 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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265 | 432fc8c3 | Giorgos Verigakis | # serviceUnavailable (503),
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266 | 432fc8c3 | Giorgos Verigakis | # unauthorized (401),
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267 | 432fc8c3 | Giorgos Verigakis | # itemNotFound (404),
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268 | 432fc8c3 | Giorgos Verigakis | # badRequest (400),
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269 | 432fc8c3 | Giorgos Verigakis | # overLimit (413)
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270 | aa197ee4 | Vangelis Koukis | |
271 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
272 | b36f78fa | Giorgos Verigakis | meta = util.get_image_meta(image, key) |
273 | b36f78fa | Giorgos Verigakis | return util.render_meta(request, meta, status=200) |
274 | 432fc8c3 | Giorgos Verigakis | |
275 | b36f78fa | Giorgos Verigakis | @util.api_method('PUT') |
276 | 432fc8c3 | Giorgos Verigakis | def create_metadata_item(request, image_id, key): |
277 | 432fc8c3 | Giorgos Verigakis | # Normal Response Code: 201
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278 | 432fc8c3 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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279 | 432fc8c3 | Giorgos Verigakis | # serviceUnavailable (503),
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280 | 432fc8c3 | Giorgos Verigakis | # unauthorized (401),
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281 | 432fc8c3 | Giorgos Verigakis | # itemNotFound (404),
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282 | 432fc8c3 | Giorgos Verigakis | # badRequest (400),
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283 | 432fc8c3 | Giorgos Verigakis | # buildInProgress (409),
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284 | 432fc8c3 | Giorgos Verigakis | # badMediaType(415),
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285 | 432fc8c3 | Giorgos Verigakis | # overLimit (413)
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286 | 432fc8c3 | Giorgos Verigakis | |
287 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
288 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
289 | 432fc8c3 | Giorgos Verigakis | try:
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290 | 432fc8c3 | Giorgos Verigakis | metadict = req['meta']
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291 | 432fc8c3 | Giorgos Verigakis | assert isinstance(metadict, dict) |
292 | 432fc8c3 | Giorgos Verigakis | assert len(metadict) == 1 |
293 | 432fc8c3 | Giorgos Verigakis | assert key in metadict |
294 | 432fc8c3 | Giorgos Verigakis | except (KeyError, AssertionError): |
295 | 432fc8c3 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
296 | b36f78fa | Giorgos Verigakis | |
297 | b36f78fa | Giorgos Verigakis | meta, created = ImageMetadata.objects.get_or_create( |
298 | b36f78fa | Giorgos Verigakis | meta_key=key, |
299 | b36f78fa | Giorgos Verigakis | image=image) |
300 | b36f78fa | Giorgos Verigakis | |
301 | 432fc8c3 | Giorgos Verigakis | meta.meta_value = metadict[key] |
302 | 432fc8c3 | Giorgos Verigakis | meta.save() |
303 | 5509b599 | Giorgos Verigakis | image.save() |
304 | b36f78fa | Giorgos Verigakis | return util.render_meta(request, meta, status=201) |
305 | 432fc8c3 | Giorgos Verigakis | |
306 | b36f78fa | Giorgos Verigakis | @util.api_method('DELETE') |
307 | 432fc8c3 | Giorgos Verigakis | def delete_metadata_item(request, image_id, key): |
308 | 432fc8c3 | Giorgos Verigakis | # Normal Response Code: 204
|
309 | 432fc8c3 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
|
310 | 432fc8c3 | Giorgos Verigakis | # serviceUnavailable (503),
|
311 | 432fc8c3 | Giorgos Verigakis | # unauthorized (401),
|
312 | 432fc8c3 | Giorgos Verigakis | # itemNotFound (404),
|
313 | 432fc8c3 | Giorgos Verigakis | # badRequest (400),
|
314 | 432fc8c3 | Giorgos Verigakis | # buildInProgress (409),
|
315 | 432fc8c3 | Giorgos Verigakis | # badMediaType(415),
|
316 | 432fc8c3 | Giorgos Verigakis | # overLimit (413),
|
317 | aa197ee4 | Vangelis Koukis | |
318 | b36f78fa | Giorgos Verigakis | image = util.get_image(image_id, request.user) |
319 | b36f78fa | Giorgos Verigakis | meta = util.get_image_meta(image, key) |
320 | 432fc8c3 | Giorgos Verigakis | meta.delete() |
321 | 5509b599 | Giorgos Verigakis | image.save() |
322 | 432fc8c3 | Giorgos Verigakis | return HttpResponse(status=204) |