root / snf-cyclades-app / synnefo / api / networks.py @ 883c1f94
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1 | a96e84cf | Christos Stavrakakis | # Copyright 2011-2013 GRNET S.A. All rights reserved.
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2 | a96e84cf | Christos Stavrakakis | #
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3 | a96e84cf | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | a96e84cf | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | a96e84cf | Christos Stavrakakis | # conditions are met:
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6 | a96e84cf | Christos Stavrakakis | #
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7 | a96e84cf | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | a96e84cf | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | a96e84cf | Christos Stavrakakis | # disclaimer.
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10 | a96e84cf | Christos Stavrakakis | #
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11 | a96e84cf | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | a96e84cf | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | a96e84cf | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | a96e84cf | Christos Stavrakakis | # provided with the distribution.
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15 | a96e84cf | Christos Stavrakakis | #
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16 | a96e84cf | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | a96e84cf | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | a96e84cf | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | a96e84cf | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | a96e84cf | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | a96e84cf | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | a96e84cf | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | a96e84cf | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | a96e84cf | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | a96e84cf | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | a96e84cf | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | a96e84cf | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | a96e84cf | Christos Stavrakakis | #
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29 | a96e84cf | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | a96e84cf | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | a96e84cf | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | a96e84cf | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | a96e84cf | Christos Stavrakakis | |
34 | ce55f211 | Kostas Papadimitriou | from django.conf import settings |
35 | 6b256427 | Christos Stavrakakis | from django.conf.urls import patterns |
36 | 0269afd6 | Giorgos Verigakis | from django.http import HttpResponse |
37 | 0269afd6 | Giorgos Verigakis | from django.utils import simplejson as json |
38 | 0baa1e3d | Buildbot | from django.db import transaction |
39 | 0baa1e3d | Buildbot | from django.db.models import Q |
40 | 0baa1e3d | Buildbot | from django.template.loader import render_to_string |
41 | a96e84cf | Christos Stavrakakis | |
42 | a96e84cf | Christos Stavrakakis | from snf_django.lib import api |
43 | a96e84cf | Christos Stavrakakis | |
44 | 5061546f | Christos Stavrakakis | from synnefo.api import util |
45 | 03992c72 | Christos Stavrakakis | from synnefo.db.models import Network |
46 | a96e84cf | Christos Stavrakakis | from synnefo.logic import networks |
47 | 9e98ba3c | Giorgos Verigakis | |
48 | b3fd98ae | Christos Stavrakakis | from logging import getLogger |
49 | 0baa1e3d | Buildbot | |
50 | b3fd98ae | Christos Stavrakakis | log = getLogger(__name__) |
51 | b36f78fa | Giorgos Verigakis | |
52 | e440e835 | Christos Stavrakakis | urlpatterns = patterns( |
53 | e440e835 | Christos Stavrakakis | 'synnefo.api.networks',
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54 | 95a213d4 | Christos Stavrakakis | (r'^(?:/|.json|.xml)?$', 'demux'), |
55 | a96e84cf | Christos Stavrakakis | (r'^/detail(?:.json|.xml)?$', 'list_networks', {'detail': True}), |
56 | 95a213d4 | Christos Stavrakakis | (r'^/(\w+)(?:/|.json|.xml)?$', 'network_demux')) |
57 | 95a213d4 | Christos Stavrakakis | |
58 | 0269afd6 | Giorgos Verigakis | |
59 | 0269afd6 | Giorgos Verigakis | def demux(request): |
60 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
61 | 0269afd6 | Giorgos Verigakis | return list_networks(request)
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62 | 0269afd6 | Giorgos Verigakis | elif request.method == 'POST': |
63 | 0269afd6 | Giorgos Verigakis | return create_network(request)
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64 | 0269afd6 | Giorgos Verigakis | else:
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65 | 2aba7764 | Sofia Papagiannaki | return api.api_method_not_allowed(request,
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66 | 2aba7764 | Sofia Papagiannaki | allowed_methods=['GET', 'POST']) |
67 | 0269afd6 | Giorgos Verigakis | |
68 | 6ef51e9f | Giorgos Verigakis | |
69 | a96e84cf | Christos Stavrakakis | def network_demux(request, network_id): |
70 | 0baa1e3d | Buildbot | |
71 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
72 | a96e84cf | Christos Stavrakakis | return get_network_details(request, network_id)
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73 | 0269afd6 | Giorgos Verigakis | elif request.method == 'DELETE': |
74 | a96e84cf | Christos Stavrakakis | return delete_network(request, network_id)
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75 | 0baa1e3d | Buildbot | elif request.method == 'PUT': |
76 | a96e84cf | Christos Stavrakakis | return update_network(request, network_id)
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77 | 0269afd6 | Giorgos Verigakis | else:
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78 | 2aba7764 | Sofia Papagiannaki | return api.api_method_not_allowed(request,
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79 | 2aba7764 | Sofia Papagiannaki | allowed_methods=['GET',
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80 | 2aba7764 | Sofia Papagiannaki | 'PUT',
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81 | 2aba7764 | Sofia Papagiannaki | 'DELETE'])
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82 | 0269afd6 | Giorgos Verigakis | |
83 | 0269afd6 | Giorgos Verigakis | |
84 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='GET', user_required=True, logger=log) |
85 | 0269afd6 | Giorgos Verigakis | def list_networks(request, detail=False): |
86 | 0c37a721 | Christos Stavrakakis | log.debug('list_networks detail=%s', detail)
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87 | 0baa1e3d | Buildbot | |
88 | a96e84cf | Christos Stavrakakis | user_networks = Network.objects.filter(Q(userid=request.user_uniq) | |
89 | a96e84cf | Christos Stavrakakis | Q(public=True))\
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90 | 883c1f94 | Christos Stavrakakis | .order_by('id')
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91 | 883c1f94 | Christos Stavrakakis | if detail:
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92 | 883c1f94 | Christos Stavrakakis | user_networks = user_networks.prefetch_related("subnets")
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93 | 0baa1e3d | Buildbot | |
94 | a96e84cf | Christos Stavrakakis | user_networks = api.utils.filter_modified_since(request, |
95 | a96e84cf | Christos Stavrakakis | objects=user_networks) |
96 | ce55f211 | Kostas Papadimitriou | |
97 | a96e84cf | Christos Stavrakakis | network_dicts = [network_to_dict(network, detail) |
98 | 883c1f94 | Christos Stavrakakis | for network in user_networks] |
99 | ce55f211 | Kostas Papadimitriou | |
100 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
101 | b36f78fa | Giorgos Verigakis | data = render_to_string('list_networks.xml', {
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102 | a96e84cf | Christos Stavrakakis | "networks": network_dicts})
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103 | 0269afd6 | Giorgos Verigakis | else:
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104 | a96e84cf | Christos Stavrakakis | data = json.dumps({'networks': network_dicts})
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105 | aa197ee4 | Vangelis Koukis | |
106 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=200) |
107 | 0269afd6 | Giorgos Verigakis | |
108 | 6ef51e9f | Giorgos Verigakis | |
109 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='POST', user_required=True, logger=log) |
110 | 2509ce17 | Christos Stavrakakis | def create_network(request): |
111 | a96e84cf | Christos Stavrakakis | userid = request.user_uniq |
112 | a96e84cf | Christos Stavrakakis | req = api.utils.get_request_dict(request) |
113 | a96e84cf | Christos Stavrakakis | log.info('create_network %s', req)
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114 | a96e84cf | Christos Stavrakakis | |
115 | a96e84cf | Christos Stavrakakis | network_dict = api.utils.get_attribute(req, "network")
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116 | a96e84cf | Christos Stavrakakis | flavor = api.utils.get_attribute(network_dict, "type")
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117 | a96e84cf | Christos Stavrakakis | |
118 | a96e84cf | Christos Stavrakakis | if flavor not in Network.FLAVORS.keys(): |
119 | a96e84cf | Christos Stavrakakis | raise api.faults.BadRequest("Invalid network type '%s'" % flavor) |
120 | a96e84cf | Christos Stavrakakis | if flavor not in settings.API_ENABLED_NETWORK_FLAVORS: |
121 | 8d5795b4 | Christos Stavrakakis | raise api.faults.Forbidden("Cannot create network of type '%s'." % |
122 | a96e84cf | Christos Stavrakakis | flavor) |
123 | a96e84cf | Christos Stavrakakis | |
124 | a96e84cf | Christos Stavrakakis | name = api.utils.get_attribute(network_dict, "name", required=False) |
125 | a96e84cf | Christos Stavrakakis | if name is None: |
126 | a96e84cf | Christos Stavrakakis | name = ""
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127 | a96e84cf | Christos Stavrakakis | |
128 | a96e84cf | Christos Stavrakakis | network = networks.create(userid=userid, name=name, flavor=flavor, |
129 | a96e84cf | Christos Stavrakakis | public=False)
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130 | a96e84cf | Christos Stavrakakis | networkdict = network_to_dict(network, detail=True)
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131 | 0baa1e3d | Buildbot | response = render_network(request, networkdict, status=201)
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132 | 77f45438 | Christos Stavrakakis | |
133 | 77f45438 | Christos Stavrakakis | return response
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134 | 0269afd6 | Giorgos Verigakis | |
135 | 6ef51e9f | Giorgos Verigakis | |
136 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='GET', user_required=True, logger=log) |
137 | a96e84cf | Christos Stavrakakis | def get_network_details(request, network_id): |
138 | 0c37a721 | Christos Stavrakakis | log.debug('get_network_details %s', network_id)
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139 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq) |
140 | a96e84cf | Christos Stavrakakis | return render_network(request, network_to_dict(network, detail=True)) |
141 | 6ef51e9f | Giorgos Verigakis | |
142 | a96e84cf | Christos Stavrakakis | |
143 | a96e84cf | Christos Stavrakakis | @api.api_method(http_method='PUT', user_required=True, logger=log) |
144 | a96e84cf | Christos Stavrakakis | def update_network(request, network_id): |
145 | a96e84cf | Christos Stavrakakis | info = api.utils.get_request_dict(request) |
146 | a96e84cf | Christos Stavrakakis | |
147 | a96e84cf | Christos Stavrakakis | network = api.utils.get_attribute(info, "network", required=True) |
148 | a96e84cf | Christos Stavrakakis | new_name = api.utils.get_attribute(network, "name")
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149 | a96e84cf | Christos Stavrakakis | |
150 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq, for_update=True)
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151 | a96e84cf | Christos Stavrakakis | if network.public:
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152 | 8d5795b4 | Christos Stavrakakis | raise api.faults.Forbidden("Cannot rename the public network.") |
153 | a96e84cf | Christos Stavrakakis | network = networks.rename(network, new_name) |
154 | a96e84cf | Christos Stavrakakis | return render_network(request, network_to_dict(network), 200) |
155 | 0269afd6 | Giorgos Verigakis | |
156 | 6ef51e9f | Giorgos Verigakis | |
157 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='DELETE', user_required=True, logger=log) |
158 | 0baa1e3d | Buildbot | @transaction.commit_on_success
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159 | b19653d1 | Giorgos Verigakis | def delete_network(request, network_id): |
160 | bf5c82dc | Christos Stavrakakis | log.info('delete_network %s', network_id)
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161 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq, for_update=True)
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162 | a96e84cf | Christos Stavrakakis | if network.public:
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163 | 8d5795b4 | Christos Stavrakakis | raise api.faults.Forbidden("Cannot delete the public network.") |
164 | a96e84cf | Christos Stavrakakis | networks.delete(network) |
165 | ece5581b | Christos Stavrakakis | return HttpResponse(status=204) |
166 | 5061546f | Christos Stavrakakis | |
167 | 5061546f | Christos Stavrakakis | |
168 | 0baa1e3d | Buildbot | def network_to_dict(network, detail=True): |
169 | 0baa1e3d | Buildbot | d = {'id': str(network.id), 'name': network.name} |
170 | 0baa1e3d | Buildbot | d['links'] = util.network_to_links(network.id)
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171 | 0baa1e3d | Buildbot | if detail:
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172 | 883c1f94 | Christos Stavrakakis | # Loop over subnets. Do not perform any extra query because of prefetch
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173 | 883c1f94 | Christos Stavrakakis | # related!
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174 | 883c1f94 | Christos Stavrakakis | subnet_ids = [] |
175 | 883c1f94 | Christos Stavrakakis | for subnet in network.subnets.all(): |
176 | 883c1f94 | Christos Stavrakakis | subnet_ids.append(network.id) |
177 | 883c1f94 | Christos Stavrakakis | |
178 | 8f335041 | Christos Stavrakakis | state = "SNF:DRAINED" if network.drained else network.state |
179 | 0baa1e3d | Buildbot | d['user_id'] = network.userid
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180 | 0baa1e3d | Buildbot | d['tenant_id'] = network.userid
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181 | 0baa1e3d | Buildbot | d['type'] = network.flavor
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182 | a96e84cf | Christos Stavrakakis | d['updated'] = api.utils.isoformat(network.updated)
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183 | a96e84cf | Christos Stavrakakis | d['created'] = api.utils.isoformat(network.created)
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184 | 8f335041 | Christos Stavrakakis | d['status'] = state
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185 | 0baa1e3d | Buildbot | d['public'] = network.public
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186 | 64209939 | Christos Stavrakakis | d['router:external'] = network.external_router
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187 | 0baa1e3d | Buildbot | d['admin_state_up'] = True |
188 | 883c1f94 | Christos Stavrakakis | d['subnets'] = subnet_ids
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189 | 7421d45e | Christos Stavrakakis | d['SNF:floating_ip_pool'] = network.floating_ip_pool
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190 | 0baa1e3d | Buildbot | return d
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191 | 0baa1e3d | Buildbot | |
192 | 0baa1e3d | Buildbot | |
193 | 0baa1e3d | Buildbot | def render_network(request, networkdict, status=200): |
194 | 0baa1e3d | Buildbot | if request.serialization == 'xml': |
195 | 0baa1e3d | Buildbot | data = render_to_string('network.xml', {'network': networkdict}) |
196 | 0baa1e3d | Buildbot | else:
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197 | 0baa1e3d | Buildbot | data = json.dumps({'network': networkdict})
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198 | 0baa1e3d | Buildbot | return HttpResponse(data, status=status) |