root / api / networks.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 | adee02b8 | Giorgos Verigakis | |
34 | 0269afd6 | Giorgos Verigakis | from django.conf.urls.defaults import patterns |
35 | d44c236b | Giorgos Verigakis | from django.db.models import Q |
36 | 0269afd6 | Giorgos Verigakis | from django.http import HttpResponse |
37 | 69d6d7dd | Giorgos Verigakis | from django.template.loader import render_to_string |
38 | 0269afd6 | Giorgos Verigakis | from django.utils import simplejson as json |
39 | 0269afd6 | Giorgos Verigakis | |
40 | b36f78fa | Giorgos Verigakis | from synnefo.api import util |
41 | b36f78fa | Giorgos Verigakis | from synnefo.api.actions import network_actions |
42 | b36f78fa | Giorgos Verigakis | from synnefo.api.common import method_not_allowed |
43 | b36f78fa | Giorgos Verigakis | from synnefo.api.faults import BadRequest, OverLimit, Unauthorized |
44 | b36f78fa | Giorgos Verigakis | from synnefo.db.models import Network |
45 | b36f78fa | Giorgos Verigakis | from synnefo.logic import backend |
46 | b36f78fa | Giorgos Verigakis | |
47 | 0269afd6 | Giorgos Verigakis | |
48 | 0269afd6 | Giorgos Verigakis | urlpatterns = patterns('synnefo.api.networks',
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49 | 0269afd6 | Giorgos Verigakis | (r'^(?:/|.json|.xml)?$', 'demux'), |
50 | 0269afd6 | Giorgos Verigakis | (r'^/detail(?:.json|.xml)?$', 'list_networks', {'detail': True}), |
51 | f4fe8796 | Giorgos Verigakis | (r'^/(\w+)(?:.json|.xml)?$', 'network_demux'), |
52 | f4fe8796 | Giorgos Verigakis | (r'^/(\w+)/action(?:.json|.xml)?$', 'network_action'), |
53 | 0269afd6 | Giorgos Verigakis | ) |
54 | 0269afd6 | Giorgos Verigakis | |
55 | 0269afd6 | Giorgos Verigakis | |
56 | 0269afd6 | Giorgos Verigakis | def demux(request): |
57 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
58 | 0269afd6 | Giorgos Verigakis | return list_networks(request)
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59 | 0269afd6 | Giorgos Verigakis | elif request.method == 'POST': |
60 | 0269afd6 | Giorgos Verigakis | return create_network(request)
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61 | 0269afd6 | Giorgos Verigakis | else:
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62 | 0269afd6 | Giorgos Verigakis | return method_not_allowed(request)
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63 | 0269afd6 | Giorgos Verigakis | |
64 | b19653d1 | Giorgos Verigakis | def network_demux(request, network_id): |
65 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
66 | b19653d1 | Giorgos Verigakis | return get_network_details(request, network_id)
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67 | 0269afd6 | Giorgos Verigakis | elif request.method == 'PUT': |
68 | b19653d1 | Giorgos Verigakis | return update_network_name(request, network_id)
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69 | 0269afd6 | Giorgos Verigakis | elif request.method == 'DELETE': |
70 | b19653d1 | Giorgos Verigakis | return delete_network(request, network_id)
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71 | 0269afd6 | Giorgos Verigakis | else:
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72 | 0269afd6 | Giorgos Verigakis | return method_not_allowed(request)
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73 | 0269afd6 | Giorgos Verigakis | |
74 | 0269afd6 | Giorgos Verigakis | |
75 | 0269afd6 | Giorgos Verigakis | def network_to_dict(network, detail=True): |
76 | 207b70d5 | Giorgos Verigakis | network_id = str(network.id) if not network.public else 'public' |
77 | 207b70d5 | Giorgos Verigakis | d = {'id': network_id, 'name': network.name} |
78 | 0269afd6 | Giorgos Verigakis | if detail:
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79 | b36f78fa | Giorgos Verigakis | d['updated'] = util.isoformat(network.updated)
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80 | b36f78fa | Giorgos Verigakis | d['created'] = util.isoformat(network.created)
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81 | 0269afd6 | Giorgos Verigakis | d['servers'] = {'values': [vm.id for vm in network.machines.all()]} |
82 | d44c236b | Giorgos Verigakis | d['status'] = network.state
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83 | 0269afd6 | Giorgos Verigakis | return d
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84 | 0269afd6 | Giorgos Verigakis | |
85 | 0269afd6 | Giorgos Verigakis | def render_network(request, networkdict, status=200): |
86 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
87 | 0269afd6 | Giorgos Verigakis | data = render_to_string('network.xml', {'network': networkdict}) |
88 | 0269afd6 | Giorgos Verigakis | else:
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89 | 0269afd6 | Giorgos Verigakis | data = json.dumps({'network': networkdict})
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90 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=status)
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91 | 0269afd6 | Giorgos Verigakis | |
92 | 0269afd6 | Giorgos Verigakis | |
93 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
94 | 0269afd6 | Giorgos Verigakis | def list_networks(request, detail=False): |
95 | 0269afd6 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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96 | 0269afd6 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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97 | 0269afd6 | Giorgos Verigakis | # serviceUnavailable (503),
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98 | 0269afd6 | Giorgos Verigakis | # unauthorized (401),
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99 | 0269afd6 | Giorgos Verigakis | # badRequest (400),
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100 | 0269afd6 | Giorgos Verigakis | # overLimit (413)
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101 | d44c236b | Giorgos Verigakis | |
102 | d44c236b | Giorgos Verigakis | owner = request.user |
103 | b36f78fa | Giorgos Verigakis | since = util.isoparse(request.GET.get('changes-since'))
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104 | d44c236b | Giorgos Verigakis | user_networks = Network.objects.filter(Q(owner=owner) | Q(public=True))
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105 | d44c236b | Giorgos Verigakis | |
106 | 0269afd6 | Giorgos Verigakis | if since:
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107 | d44c236b | Giorgos Verigakis | user_networks = user_networks.filter(updated__gte=since) |
108 | 0269afd6 | Giorgos Verigakis | if not user_networks: |
109 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=304) |
110 | 0269afd6 | Giorgos Verigakis | else:
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111 | d44c236b | Giorgos Verigakis | user_networks = user_networks.filter(state='ACTIVE')
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112 | d44c236b | Giorgos Verigakis | |
113 | 0269afd6 | Giorgos Verigakis | networks = [network_to_dict(network, detail) for network in user_networks] |
114 | aa197ee4 | Vangelis Koukis | |
115 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
116 | b36f78fa | Giorgos Verigakis | data = render_to_string('list_networks.xml', {
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117 | b36f78fa | Giorgos Verigakis | 'networks': networks,
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118 | b36f78fa | Giorgos Verigakis | 'detail': detail})
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119 | 0269afd6 | Giorgos Verigakis | else:
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120 | 0269afd6 | Giorgos Verigakis | data = json.dumps({'networks': {'values': networks}}) |
121 | aa197ee4 | Vangelis Koukis | |
122 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=200) |
123 | 0269afd6 | Giorgos Verigakis | |
124 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
125 | 0269afd6 | Giorgos Verigakis | def create_network(request): |
126 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 202
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127 | 0269afd6 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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128 | 0269afd6 | Giorgos Verigakis | # serviceUnavailable (503),
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129 | 0269afd6 | Giorgos Verigakis | # unauthorized (401),
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130 | 13b954b0 | Giorgos Verigakis | # badMediaType(415),
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131 | 0269afd6 | Giorgos Verigakis | # badRequest (400),
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132 | 0269afd6 | Giorgos Verigakis | # overLimit (413)
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133 | aa197ee4 | Vangelis Koukis | |
134 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
135 | aa197ee4 | Vangelis Koukis | |
136 | 0269afd6 | Giorgos Verigakis | try:
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137 | 0269afd6 | Giorgos Verigakis | d = req['network']
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138 | 0269afd6 | Giorgos Verigakis | name = d['name']
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139 | 0269afd6 | Giorgos Verigakis | except (KeyError, ValueError): |
140 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
141 | b36f78fa | Giorgos Verigakis | |
142 | a3992827 | Giorgos Verigakis | network = backend.create_network(name, request.user) |
143 | a3992827 | Giorgos Verigakis | if not network: |
144 | 64938cb0 | Giorgos Verigakis | raise OverLimit('Maximum number of networks reached.') |
145 | 64938cb0 | Giorgos Verigakis | |
146 | 0269afd6 | Giorgos Verigakis | networkdict = network_to_dict(network) |
147 | 0269afd6 | Giorgos Verigakis | return render_network(request, networkdict, status=202) |
148 | 0269afd6 | Giorgos Verigakis | |
149 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
150 | b19653d1 | Giorgos Verigakis | def get_network_details(request, network_id): |
151 | 0269afd6 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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152 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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153 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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154 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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155 | 13b954b0 | Giorgos Verigakis | # badRequest (400),
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156 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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157 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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158 | aa197ee4 | Vangelis Koukis | |
159 | b36f78fa | Giorgos Verigakis | net = util.get_network(network_id, request.user) |
160 | 0269afd6 | Giorgos Verigakis | netdict = network_to_dict(net) |
161 | 0269afd6 | Giorgos Verigakis | return render_network(request, netdict)
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162 | 0269afd6 | Giorgos Verigakis | |
163 | b36f78fa | Giorgos Verigakis | @util.api_method('PUT') |
164 | b19653d1 | Giorgos Verigakis | def update_network_name(request, network_id): |
165 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 204
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166 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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167 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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168 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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169 | 13b954b0 | Giorgos Verigakis | # badRequest (400),
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170 | 13b954b0 | Giorgos Verigakis | # badMediaType(415),
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171 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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172 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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173 | aa197ee4 | Vangelis Koukis | |
174 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
175 | 0269afd6 | Giorgos Verigakis | |
176 | 0269afd6 | Giorgos Verigakis | try:
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177 | 0269afd6 | Giorgos Verigakis | name = req['network']['name'] |
178 | 0269afd6 | Giorgos Verigakis | except (TypeError, KeyError): |
179 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
180 | 0269afd6 | Giorgos Verigakis | |
181 | b36f78fa | Giorgos Verigakis | net = util.get_network(network_id, request.user) |
182 | 207b70d5 | Giorgos Verigakis | if net.public:
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183 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not rename the public network.') |
184 | 0269afd6 | Giorgos Verigakis | net.name = name |
185 | 0269afd6 | Giorgos Verigakis | net.save() |
186 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=204) |
187 | 0269afd6 | Giorgos Verigakis | |
188 | b36f78fa | Giorgos Verigakis | @util.api_method('DELETE') |
189 | b19653d1 | Giorgos Verigakis | def delete_network(request, network_id): |
190 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 204
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191 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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192 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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193 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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194 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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195 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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196 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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197 | d44c236b | Giorgos Verigakis | |
198 | b36f78fa | Giorgos Verigakis | net = util.get_network(network_id, request.user) |
199 | 207b70d5 | Giorgos Verigakis | if net.public:
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200 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not delete the public network.') |
201 | 64938cb0 | Giorgos Verigakis | backend.delete_network(net) |
202 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=204) |
203 | 0269afd6 | Giorgos Verigakis | |
204 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
205 | b19653d1 | Giorgos Verigakis | def network_action(request, network_id): |
206 | b36f78fa | Giorgos Verigakis | net = util.get_network(network_id, request.user) |
207 | 207b70d5 | Giorgos Verigakis | if net.public:
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208 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not modify the public network.') |
209 | 207b70d5 | Giorgos Verigakis | |
210 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
211 | 0269afd6 | Giorgos Verigakis | if len(req) != 1: |
212 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
213 | aa197ee4 | Vangelis Koukis | |
214 | 0269afd6 | Giorgos Verigakis | key = req.keys()[0]
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215 | 0269afd6 | Giorgos Verigakis | val = req[key] |
216 | aa197ee4 | Vangelis Koukis | |
217 | 0269afd6 | Giorgos Verigakis | try:
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218 | 0269afd6 | Giorgos Verigakis | assert isinstance(val, dict) |
219 | 0269afd6 | Giorgos Verigakis | return network_actions[key](request, net, req[key])
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220 | 0269afd6 | Giorgos Verigakis | except KeyError: |
221 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Unknown action.') |
222 | 0269afd6 | Giorgos Verigakis | except AssertionError: |
223 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Invalid argument.') |