root / snf-cyclades-app / synnefo / api / networks.py @ 9f6760ee
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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 | c0720b78 | Kostas Papadimitriou | return api.api_method_not_allowed(request)
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66 | 0269afd6 | Giorgos Verigakis | |
67 | 6ef51e9f | Giorgos Verigakis | |
68 | a96e84cf | Christos Stavrakakis | def network_demux(request, network_id): |
69 | 0baa1e3d | Buildbot | |
70 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
71 | a96e84cf | Christos Stavrakakis | return get_network_details(request, network_id)
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72 | 0269afd6 | Giorgos Verigakis | elif request.method == 'DELETE': |
73 | a96e84cf | Christos Stavrakakis | return delete_network(request, network_id)
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74 | 0baa1e3d | Buildbot | elif request.method == 'PUT': |
75 | a96e84cf | Christos Stavrakakis | return update_network(request, network_id)
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76 | 0269afd6 | Giorgos Verigakis | else:
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77 | c0720b78 | Kostas Papadimitriou | return api.api_method_not_allowed(request)
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78 | 0269afd6 | Giorgos Verigakis | |
79 | 0269afd6 | Giorgos Verigakis | |
80 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='GET', user_required=True, logger=log) |
81 | 0269afd6 | Giorgos Verigakis | def list_networks(request, detail=False): |
82 | 0c37a721 | Christos Stavrakakis | log.debug('list_networks detail=%s', detail)
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83 | 0baa1e3d | Buildbot | |
84 | a96e84cf | Christos Stavrakakis | user_networks = Network.objects.filter(Q(userid=request.user_uniq) | |
85 | a96e84cf | Christos Stavrakakis | Q(public=True))\
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86 | a96e84cf | Christos Stavrakakis | .prefetch_related("subnets")
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87 | 0baa1e3d | Buildbot | |
88 | a96e84cf | Christos Stavrakakis | user_networks = api.utils.filter_modified_since(request, |
89 | a96e84cf | Christos Stavrakakis | objects=user_networks) |
90 | ce55f211 | Kostas Papadimitriou | |
91 | a96e84cf | Christos Stavrakakis | network_dicts = [network_to_dict(network, detail) |
92 | a96e84cf | Christos Stavrakakis | for network in user_networks.order_by('id')] |
93 | ce55f211 | Kostas Papadimitriou | |
94 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
95 | b36f78fa | Giorgos Verigakis | data = render_to_string('list_networks.xml', {
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96 | a96e84cf | Christos Stavrakakis | "networks": network_dicts})
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97 | 0269afd6 | Giorgos Verigakis | else:
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98 | a96e84cf | Christos Stavrakakis | data = json.dumps({'networks': network_dicts})
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99 | aa197ee4 | Vangelis Koukis | |
100 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=200) |
101 | 0269afd6 | Giorgos Verigakis | |
102 | 6ef51e9f | Giorgos Verigakis | |
103 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='POST', user_required=True, logger=log) |
104 | 2509ce17 | Christos Stavrakakis | def create_network(request): |
105 | a96e84cf | Christos Stavrakakis | userid = request.user_uniq |
106 | a96e84cf | Christos Stavrakakis | req = api.utils.get_request_dict(request) |
107 | a96e84cf | Christos Stavrakakis | log.info('create_network %s', req)
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108 | a96e84cf | Christos Stavrakakis | |
109 | a96e84cf | Christos Stavrakakis | network_dict = api.utils.get_attribute(req, "network")
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110 | a96e84cf | Christos Stavrakakis | flavor = api.utils.get_attribute(network_dict, "type")
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111 | a96e84cf | Christos Stavrakakis | |
112 | a96e84cf | Christos Stavrakakis | if flavor not in Network.FLAVORS.keys(): |
113 | a96e84cf | Christos Stavrakakis | raise api.faults.BadRequest("Invalid network type '%s'" % flavor) |
114 | a96e84cf | Christos Stavrakakis | if flavor not in settings.API_ENABLED_NETWORK_FLAVORS: |
115 | a96e84cf | Christos Stavrakakis | raise api.faults.Forbidden("Can not create network of type '%s'." % |
116 | a96e84cf | Christos Stavrakakis | flavor) |
117 | a96e84cf | Christos Stavrakakis | |
118 | a96e84cf | Christos Stavrakakis | name = api.utils.get_attribute(network_dict, "name", required=False) |
119 | a96e84cf | Christos Stavrakakis | if name is None: |
120 | a96e84cf | Christos Stavrakakis | name = ""
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121 | a96e84cf | Christos Stavrakakis | |
122 | a96e84cf | Christos Stavrakakis | network = networks.create(userid=userid, name=name, flavor=flavor, |
123 | a96e84cf | Christos Stavrakakis | public=False)
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124 | a96e84cf | Christos Stavrakakis | networkdict = network_to_dict(network, detail=True)
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125 | 0baa1e3d | Buildbot | response = render_network(request, networkdict, status=201)
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126 | 77f45438 | Christos Stavrakakis | |
127 | 77f45438 | Christos Stavrakakis | return response
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128 | 0269afd6 | Giorgos Verigakis | |
129 | 6ef51e9f | Giorgos Verigakis | |
130 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='GET', user_required=True, logger=log) |
131 | a96e84cf | Christos Stavrakakis | def get_network_details(request, network_id): |
132 | 0c37a721 | Christos Stavrakakis | log.debug('get_network_details %s', network_id)
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133 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq) |
134 | a96e84cf | Christos Stavrakakis | return render_network(request, network_to_dict(network, detail=True)) |
135 | 6ef51e9f | Giorgos Verigakis | |
136 | a96e84cf | Christos Stavrakakis | |
137 | a96e84cf | Christos Stavrakakis | @api.api_method(http_method='PUT', user_required=True, logger=log) |
138 | a96e84cf | Christos Stavrakakis | def update_network(request, network_id): |
139 | a96e84cf | Christos Stavrakakis | info = api.utils.get_request_dict(request) |
140 | a96e84cf | Christos Stavrakakis | |
141 | a96e84cf | Christos Stavrakakis | network = api.utils.get_attribute(info, "network", required=True) |
142 | a96e84cf | Christos Stavrakakis | new_name = api.utils.get_attribute(network, "name")
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143 | a96e84cf | Christos Stavrakakis | |
144 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq, for_update=True)
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145 | a96e84cf | Christos Stavrakakis | if network.public:
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146 | a96e84cf | Christos Stavrakakis | raise api.faults.Forbidden("Can not rename the public network.") |
147 | a96e84cf | Christos Stavrakakis | network = networks.rename(network, new_name) |
148 | a96e84cf | Christos Stavrakakis | return render_network(request, network_to_dict(network), 200) |
149 | 0269afd6 | Giorgos Verigakis | |
150 | 6ef51e9f | Giorgos Verigakis | |
151 | b3fd98ae | Christos Stavrakakis | @api.api_method(http_method='DELETE', user_required=True, logger=log) |
152 | 0baa1e3d | Buildbot | @transaction.commit_on_success
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153 | b19653d1 | Giorgos Verigakis | def delete_network(request, network_id): |
154 | bf5c82dc | Christos Stavrakakis | log.info('delete_network %s', network_id)
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155 | a96e84cf | Christos Stavrakakis | network = util.get_network(network_id, request.user_uniq, for_update=True)
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156 | a96e84cf | Christos Stavrakakis | if network.public:
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157 | a96e84cf | Christos Stavrakakis | raise api.faults.Forbidden("Can not delete the public network.") |
158 | a96e84cf | Christos Stavrakakis | networks.delete(network) |
159 | ece5581b | Christos Stavrakakis | return HttpResponse(status=204) |
160 | 5061546f | Christos Stavrakakis | |
161 | 5061546f | Christos Stavrakakis | |
162 | 0baa1e3d | Buildbot | def network_to_dict(network, detail=True): |
163 | 0baa1e3d | Buildbot | d = {'id': str(network.id), 'name': network.name} |
164 | 0baa1e3d | Buildbot | d['links'] = util.network_to_links(network.id)
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165 | 0baa1e3d | Buildbot | if detail:
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166 | 0baa1e3d | Buildbot | d['user_id'] = network.userid
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167 | 0baa1e3d | Buildbot | d['tenant_id'] = network.userid
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168 | 0baa1e3d | Buildbot | d['type'] = network.flavor
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169 | a96e84cf | Christos Stavrakakis | d['updated'] = api.utils.isoformat(network.updated)
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170 | a96e84cf | Christos Stavrakakis | d['created'] = api.utils.isoformat(network.created)
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171 | 0baa1e3d | Buildbot | d['status'] = network.state
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172 | 0baa1e3d | Buildbot | d['public'] = network.public
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173 | 0baa1e3d | Buildbot | d['external_router'] = network.external_router
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174 | 0baa1e3d | Buildbot | d['admin_state_up'] = True |
175 | a96e84cf | Christos Stavrakakis | d['subnets'] = list(network.subnets.values_list('id', flat=True)) |
176 | 0baa1e3d | Buildbot | return d
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177 | 0baa1e3d | Buildbot | |
178 | 0baa1e3d | Buildbot | |
179 | 0baa1e3d | Buildbot | def render_network(request, networkdict, status=200): |
180 | 0baa1e3d | Buildbot | if request.serialization == 'xml': |
181 | 0baa1e3d | Buildbot | data = render_to_string('network.xml', {'network': networkdict}) |
182 | 0baa1e3d | Buildbot | else:
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183 | 0baa1e3d | Buildbot | data = json.dumps({'network': networkdict})
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184 | 0baa1e3d | Buildbot | return HttpResponse(data, status=status) |