root / snf-cyclades-app / synnefo / api / networks.py @ 6dd70a5c
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1 | 6ef51e9f | Giorgos Verigakis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | ce55f211 | Kostas Papadimitriou | #
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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 | ce55f211 | Kostas Papadimitriou | #
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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 | ce55f211 | Kostas Papadimitriou | #
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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 | ce55f211 | Kostas Papadimitriou | #
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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 | ce55f211 | Kostas Papadimitriou | #
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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 | 2035039b | Giorgos Verigakis | from logging import getLogger |
35 | 2035039b | Giorgos Verigakis | |
36 | 0269afd6 | Giorgos Verigakis | from django.conf.urls.defaults import patterns |
37 | ce55f211 | Kostas Papadimitriou | from django.conf import settings |
38 | d44c236b | Giorgos Verigakis | from django.db.models import Q |
39 | 0269afd6 | Giorgos Verigakis | from django.http import HttpResponse |
40 | 69d6d7dd | Giorgos Verigakis | from django.template.loader import render_to_string |
41 | 0269afd6 | Giorgos Verigakis | from django.utils import simplejson as json |
42 | 0269afd6 | Giorgos Verigakis | |
43 | 5061546f | Christos Stavrakakis | from synnefo.api import util |
44 | b36f78fa | Giorgos Verigakis | from synnefo.api.actions import network_actions |
45 | b36f78fa | Giorgos Verigakis | from synnefo.api.common import method_not_allowed |
46 | 6dd70a5c | Christos Stavrakakis | from synnefo.api.faults import (BadRequest, Unauthorized, |
47 | 6dd70a5c | Christos Stavrakakis | NetworkInUse) |
48 | 6dd70a5c | Christos Stavrakakis | from synnefo.db.models import Network |
49 | b36f78fa | Giorgos Verigakis | from synnefo.logic import backend |
50 | 9e98ba3c | Giorgos Verigakis | |
51 | 9e98ba3c | Giorgos Verigakis | |
52 | 9e98ba3c | Giorgos Verigakis | log = getLogger('synnefo.api')
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53 | b36f78fa | Giorgos Verigakis | |
54 | 0269afd6 | Giorgos Verigakis | urlpatterns = patterns('synnefo.api.networks',
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55 | 0269afd6 | Giorgos Verigakis | (r'^(?:/|.json|.xml)?$', 'demux'), |
56 | 0269afd6 | Giorgos Verigakis | (r'^/detail(?:.json|.xml)?$', 'list_networks', {'detail': True}), |
57 | f4fe8796 | Giorgos Verigakis | (r'^/(\w+)(?:.json|.xml)?$', 'network_demux'), |
58 | f4fe8796 | Giorgos Verigakis | (r'^/(\w+)/action(?:.json|.xml)?$', 'network_action'), |
59 | 0269afd6 | Giorgos Verigakis | ) |
60 | 0269afd6 | Giorgos Verigakis | |
61 | 0269afd6 | Giorgos Verigakis | |
62 | 0269afd6 | Giorgos Verigakis | def demux(request): |
63 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
64 | 0269afd6 | Giorgos Verigakis | return list_networks(request)
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65 | 0269afd6 | Giorgos Verigakis | elif request.method == 'POST': |
66 | 0269afd6 | Giorgos Verigakis | return create_network(request)
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67 | 0269afd6 | Giorgos Verigakis | else:
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68 | 0269afd6 | Giorgos Verigakis | return method_not_allowed(request)
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69 | 0269afd6 | Giorgos Verigakis | |
70 | 6ef51e9f | Giorgos Verigakis | |
71 | b19653d1 | Giorgos Verigakis | def network_demux(request, network_id): |
72 | 0269afd6 | Giorgos Verigakis | if request.method == 'GET': |
73 | b19653d1 | Giorgos Verigakis | return get_network_details(request, network_id)
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74 | 0269afd6 | Giorgos Verigakis | elif request.method == 'PUT': |
75 | b19653d1 | Giorgos Verigakis | return update_network_name(request, network_id)
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76 | 0269afd6 | Giorgos Verigakis | elif request.method == 'DELETE': |
77 | b19653d1 | Giorgos Verigakis | return delete_network(request, network_id)
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78 | 0269afd6 | Giorgos Verigakis | else:
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79 | 0269afd6 | Giorgos Verigakis | return method_not_allowed(request)
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80 | 0269afd6 | Giorgos Verigakis | |
81 | 0269afd6 | Giorgos Verigakis | |
82 | 6ef51e9f | Giorgos Verigakis | def network_to_dict(network, user_id, detail=True): |
83 | 207b70d5 | Giorgos Verigakis | network_id = str(network.id) if not network.public else 'public' |
84 | 207b70d5 | Giorgos Verigakis | d = {'id': network_id, 'name': network.name} |
85 | 0269afd6 | Giorgos Verigakis | if detail:
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86 | 08b079e2 | Stavros Sachtouris | d['cidr'] = network.subnet
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87 | cc3f266e | Christos Stavrakakis | d['cidr6'] = network.subnet6
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88 | 08b079e2 | Stavros Sachtouris | d['gateway'] = network.gateway
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89 | cc3f266e | Christos Stavrakakis | d['gateway6'] = network.gateway6
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90 | 08b079e2 | Stavros Sachtouris | d['dhcp'] = network.dhcp
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91 | 08b079e2 | Stavros Sachtouris | d['type'] = network.type
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92 | b36f78fa | Giorgos Verigakis | d['updated'] = util.isoformat(network.updated)
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93 | b36f78fa | Giorgos Verigakis | d['created'] = util.isoformat(network.created)
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94 | d44c236b | Giorgos Verigakis | d['status'] = network.state
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95 | 08b079e2 | Stavros Sachtouris | |
96 | 08b079e2 | Stavros Sachtouris | attachments = [util.construct_nic_id(nic) for nic in network.nics.filter(machine__userid= user_id)] |
97 | 08b079e2 | Stavros Sachtouris | d['attachments'] = {'values':attachments} |
98 | 0269afd6 | Giorgos Verigakis | return d
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99 | 0269afd6 | Giorgos Verigakis | |
100 | 6ef51e9f | Giorgos Verigakis | |
101 | 0269afd6 | Giorgos Verigakis | def render_network(request, networkdict, status=200): |
102 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
103 | 0269afd6 | Giorgos Verigakis | data = render_to_string('network.xml', {'network': networkdict}) |
104 | 0269afd6 | Giorgos Verigakis | else:
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105 | 0269afd6 | Giorgos Verigakis | data = json.dumps({'network': networkdict})
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106 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=status)
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107 | 0269afd6 | Giorgos Verigakis | |
108 | 0269afd6 | Giorgos Verigakis | |
109 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
110 | 0269afd6 | Giorgos Verigakis | def list_networks(request, detail=False): |
111 | 0269afd6 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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112 | 0269afd6 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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113 | 0269afd6 | Giorgos Verigakis | # serviceUnavailable (503),
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114 | 0269afd6 | Giorgos Verigakis | # unauthorized (401),
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115 | 0269afd6 | Giorgos Verigakis | # badRequest (400),
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116 | 0269afd6 | Giorgos Verigakis | # overLimit (413)
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117 | ce55f211 | Kostas Papadimitriou | |
118 | 9e98ba3c | Giorgos Verigakis | log.debug('list_networks detail=%s', detail)
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119 | b36f78fa | Giorgos Verigakis | since = util.isoparse(request.GET.get('changes-since'))
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120 | 8b2515a9 | Christos Stavrakakis | user_networks = Network.objects.filter(Q(userid=request.user_uniq) | |
121 | 8b2515a9 | Christos Stavrakakis | Q(public=True),
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122 | 8b2515a9 | Christos Stavrakakis | deleted=False)
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123 | ce55f211 | Kostas Papadimitriou | |
124 | 0269afd6 | Giorgos Verigakis | if since:
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125 | d44c236b | Giorgos Verigakis | user_networks = user_networks.filter(updated__gte=since) |
126 | 0269afd6 | Giorgos Verigakis | if not user_networks: |
127 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=304) |
128 | ce55f211 | Kostas Papadimitriou | |
129 | 4b3b8688 | Giorgos Verigakis | networks = [network_to_dict(network, request.user_uniq, detail) |
130 | 73aed6bf | Giorgos Verigakis | for network in user_networks] |
131 | ce55f211 | Kostas Papadimitriou | |
132 | 0269afd6 | Giorgos Verigakis | if request.serialization == 'xml': |
133 | b36f78fa | Giorgos Verigakis | data = render_to_string('list_networks.xml', {
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134 | b36f78fa | Giorgos Verigakis | 'networks': networks,
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135 | b36f78fa | Giorgos Verigakis | 'detail': detail})
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136 | 0269afd6 | Giorgos Verigakis | else:
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137 | 0269afd6 | Giorgos Verigakis | data = json.dumps({'networks': {'values': networks}}) |
138 | aa197ee4 | Vangelis Koukis | |
139 | 0269afd6 | Giorgos Verigakis | return HttpResponse(data, status=200) |
140 | 0269afd6 | Giorgos Verigakis | |
141 | 6ef51e9f | Giorgos Verigakis | |
142 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
143 | 0269afd6 | Giorgos Verigakis | def create_network(request): |
144 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 202
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145 | 0269afd6 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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146 | 0269afd6 | Giorgos Verigakis | # serviceUnavailable (503),
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147 | 0269afd6 | Giorgos Verigakis | # unauthorized (401),
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148 | 13b954b0 | Giorgos Verigakis | # badMediaType(415),
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149 | 0269afd6 | Giorgos Verigakis | # badRequest (400),
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150 | 0269afd6 | Giorgos Verigakis | # overLimit (413)
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151 | aa197ee4 | Vangelis Koukis | |
152 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
153 | 9e98ba3c | Giorgos Verigakis | log.debug('create_network %s', req)
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154 | ce55f211 | Kostas Papadimitriou | |
155 | 0269afd6 | Giorgos Verigakis | try:
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156 | 0269afd6 | Giorgos Verigakis | d = req['network']
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157 | 0269afd6 | Giorgos Verigakis | name = d['name']
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158 | 5061546f | Christos Stavrakakis | # TODO: Fix this temp values:
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159 | b9a0b3d5 | Stavros Sachtouris | subnet = d.get('cidr', '192.168.1.0/24') |
160 | cc3f266e | Christos Stavrakakis | subnet6 = d.get('cidr6', None) |
161 | 5061546f | Christos Stavrakakis | gateway = d.get('gateway', None) |
162 | cc3f266e | Christos Stavrakakis | gateway6 = d.get('gateway6', None) |
163 | 839e2bd0 | Christos Stavrakakis | type = d.get('type', 'PRIVATE_MAC_FILTERED') |
164 | 5061546f | Christos Stavrakakis | dhcp = d.get('dhcp', True) |
165 | 0269afd6 | Giorgos Verigakis | except (KeyError, ValueError): |
166 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
167 | ce55f211 | Kostas Papadimitriou | |
168 | 5061546f | Christos Stavrakakis | if type == 'PUBLIC_ROUTED': |
169 | 87994836 | Christos Stavrakakis | raise Unauthorized('Can not create a public network.') |
170 | 87994836 | Christos Stavrakakis | |
171 | 6dd70a5c | Christos Stavrakakis | |
172 | 6dd70a5c | Christos Stavrakakis | link, mac_prefix = util.network_specs_from_type(type)
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173 | 6dd70a5c | Christos Stavrakakis | if not link: |
174 | 6dd70a5c | Christos Stavrakakis | raise Exception("Can not create network. No connectivity link.") |
175 | 5061546f | Christos Stavrakakis | |
176 | 5061546f | Christos Stavrakakis | network = Network.objects.create( |
177 | 5061546f | Christos Stavrakakis | name=name, |
178 | 5061546f | Christos Stavrakakis | userid=request.user_uniq, |
179 | 5061546f | Christos Stavrakakis | subnet=subnet, |
180 | cc3f266e | Christos Stavrakakis | subnet6=subnet6, |
181 | 5061546f | Christos Stavrakakis | gateway=gateway, |
182 | cc3f266e | Christos Stavrakakis | gateway6=gateway6, |
183 | 5061546f | Christos Stavrakakis | dhcp=dhcp, |
184 | 5061546f | Christos Stavrakakis | type=type,
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185 | 5061546f | Christos Stavrakakis | link=link, |
186 | 5061546f | Christos Stavrakakis | mac_prefix=mac_prefix, |
187 | 87994836 | Christos Stavrakakis | state='PENDING')
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188 | 5061546f | Christos Stavrakakis | |
189 | 87994836 | Christos Stavrakakis | backend.create_network(network) |
190 | ce55f211 | Kostas Papadimitriou | |
191 | 4b3b8688 | Giorgos Verigakis | networkdict = network_to_dict(network, request.user_uniq) |
192 | 0269afd6 | Giorgos Verigakis | return render_network(request, networkdict, status=202) |
193 | 0269afd6 | Giorgos Verigakis | |
194 | 6ef51e9f | Giorgos Verigakis | |
195 | b36f78fa | Giorgos Verigakis | @util.api_method('GET') |
196 | b19653d1 | Giorgos Verigakis | def get_network_details(request, network_id): |
197 | 0269afd6 | Giorgos Verigakis | # Normal Response Codes: 200, 203
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198 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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199 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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200 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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201 | 13b954b0 | Giorgos Verigakis | # badRequest (400),
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202 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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203 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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204 | ce55f211 | Kostas Papadimitriou | |
205 | 9e98ba3c | Giorgos Verigakis | log.debug('get_network_details %s', network_id)
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206 | 4b3b8688 | Giorgos Verigakis | net = util.get_network(network_id, request.user_uniq) |
207 | 4b3b8688 | Giorgos Verigakis | netdict = network_to_dict(net, request.user_uniq) |
208 | 0269afd6 | Giorgos Verigakis | return render_network(request, netdict)
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209 | 0269afd6 | Giorgos Verigakis | |
210 | 6ef51e9f | Giorgos Verigakis | |
211 | b36f78fa | Giorgos Verigakis | @util.api_method('PUT') |
212 | b19653d1 | Giorgos Verigakis | def update_network_name(request, network_id): |
213 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 204
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214 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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215 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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216 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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217 | 13b954b0 | Giorgos Verigakis | # badRequest (400),
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218 | 13b954b0 | Giorgos Verigakis | # badMediaType(415),
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219 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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220 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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221 | aa197ee4 | Vangelis Koukis | |
222 | b36f78fa | Giorgos Verigakis | req = util.get_request_dict(request) |
223 | 9e98ba3c | Giorgos Verigakis | log.debug('update_network_name %s', network_id)
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224 | ce55f211 | Kostas Papadimitriou | |
225 | 0269afd6 | Giorgos Verigakis | try:
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226 | 0269afd6 | Giorgos Verigakis | name = req['network']['name'] |
227 | 0269afd6 | Giorgos Verigakis | except (TypeError, KeyError): |
228 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Malformed request.') |
229 | 0269afd6 | Giorgos Verigakis | |
230 | 4b3b8688 | Giorgos Verigakis | net = util.get_network(network_id, request.user_uniq) |
231 | 207b70d5 | Giorgos Verigakis | if net.public:
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232 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not rename the public network.') |
233 | 0269afd6 | Giorgos Verigakis | net.name = name |
234 | 0269afd6 | Giorgos Verigakis | net.save() |
235 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=204) |
236 | 0269afd6 | Giorgos Verigakis | |
237 | 6ef51e9f | Giorgos Verigakis | |
238 | b36f78fa | Giorgos Verigakis | @util.api_method('DELETE') |
239 | b19653d1 | Giorgos Verigakis | def delete_network(request, network_id): |
240 | 0269afd6 | Giorgos Verigakis | # Normal Response Code: 204
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241 | 13b954b0 | Giorgos Verigakis | # Error Response Codes: computeFault (400, 500),
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242 | 13b954b0 | Giorgos Verigakis | # serviceUnavailable (503),
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243 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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244 | 13b954b0 | Giorgos Verigakis | # itemNotFound (404),
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245 | 13b954b0 | Giorgos Verigakis | # unauthorized (401),
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246 | 13b954b0 | Giorgos Verigakis | # overLimit (413)
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247 | ce55f211 | Kostas Papadimitriou | |
248 | 9e98ba3c | Giorgos Verigakis | log.debug('delete_network %s', network_id)
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249 | 4b3b8688 | Giorgos Verigakis | net = util.get_network(network_id, request.user_uniq) |
250 | 207b70d5 | Giorgos Verigakis | if net.public:
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251 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not delete the public network.') |
252 | 5061546f | Christos Stavrakakis | |
253 | 0196d9a3 | Christos Stavrakakis | if net.machines.all(): # Nics attached on network |
254 | 0196d9a3 | Christos Stavrakakis | raise NetworkInUse('Machines are connected to network.') |
255 | 0196d9a3 | Christos Stavrakakis | |
256 | 5061546f | Christos Stavrakakis | net.action = 'DESTROY'
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257 | 5061546f | Christos Stavrakakis | net.save() |
258 | 5061546f | Christos Stavrakakis | |
259 | 64938cb0 | Giorgos Verigakis | backend.delete_network(net) |
260 | 0269afd6 | Giorgos Verigakis | return HttpResponse(status=204) |
261 | 0269afd6 | Giorgos Verigakis | |
262 | 6ef51e9f | Giorgos Verigakis | |
263 | b36f78fa | Giorgos Verigakis | @util.api_method('POST') |
264 | b19653d1 | Giorgos Verigakis | def network_action(request, network_id): |
265 | 9e98ba3c | Giorgos Verigakis | req = util.get_request_dict(request) |
266 | 9e98ba3c | Giorgos Verigakis | log.debug('network_action %s %s', network_id, req)
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267 | 9e98ba3c | Giorgos Verigakis | if len(req) != 1: |
268 | 9e98ba3c | Giorgos Verigakis | raise BadRequest('Malformed request.') |
269 | ce55f211 | Kostas Papadimitriou | |
270 | 4b3b8688 | Giorgos Verigakis | net = util.get_network(network_id, request.user_uniq) |
271 | 207b70d5 | Giorgos Verigakis | if net.public:
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272 | 207b70d5 | Giorgos Verigakis | raise Unauthorized('Can not modify the public network.') |
273 | ce55f211 | Kostas Papadimitriou | |
274 | 0269afd6 | Giorgos Verigakis | key = req.keys()[0]
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275 | 0269afd6 | Giorgos Verigakis | val = req[key] |
276 | aa197ee4 | Vangelis Koukis | |
277 | 0269afd6 | Giorgos Verigakis | try:
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278 | 0269afd6 | Giorgos Verigakis | assert isinstance(val, dict) |
279 | 0269afd6 | Giorgos Verigakis | return network_actions[key](request, net, req[key])
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280 | 0269afd6 | Giorgos Verigakis | except KeyError: |
281 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Unknown action.') |
282 | 0269afd6 | Giorgos Verigakis | except AssertionError: |
283 | 0269afd6 | Giorgos Verigakis | raise BadRequest('Invalid argument.') |