root / snf-cyclades-app / synnefo / api / floating_ips.py @ f32e8021
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1 | 59183afc | Christos Stavrakakis | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | 59183afc | Christos Stavrakakis | #
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3 | 59183afc | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 59183afc | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 59183afc | Christos Stavrakakis | # conditions are met:
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6 | 59183afc | Christos Stavrakakis | #
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7 | 59183afc | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 59183afc | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 59183afc | Christos Stavrakakis | # disclaimer.
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10 | 59183afc | Christos Stavrakakis | #
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11 | 59183afc | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 59183afc | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 59183afc | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 59183afc | Christos Stavrakakis | # provided with the distribution.
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15 | 59183afc | Christos Stavrakakis | #
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16 | 59183afc | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 59183afc | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 59183afc | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 59183afc | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 59183afc | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 59183afc | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 59183afc | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 59183afc | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 59183afc | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 59183afc | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 59183afc | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 59183afc | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 59183afc | Christos Stavrakakis | #
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29 | 59183afc | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 59183afc | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 59183afc | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 59183afc | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 59183afc | Christos Stavrakakis | |
34 | 59183afc | Christos Stavrakakis | from django.conf.urls.defaults import patterns |
35 | 59183afc | Christos Stavrakakis | from django.db import transaction |
36 | 59183afc | Christos Stavrakakis | from django.http import HttpResponse |
37 | 59183afc | Christos Stavrakakis | from django.utils import simplejson as json |
38 | 59183afc | Christos Stavrakakis | |
39 | 59183afc | Christos Stavrakakis | from snf_django.lib import api |
40 | 59183afc | Christos Stavrakakis | from snf_django.lib.api import faults, utils |
41 | 59183afc | Christos Stavrakakis | from synnefo.api import util |
42 | 59183afc | Christos Stavrakakis | from synnefo import quotas |
43 | fde2c1f7 | Christos Stavrakakis | from synnefo.db.models import Network, IPAddress |
44 | 59183afc | Christos Stavrakakis | |
45 | 59183afc | Christos Stavrakakis | from logging import getLogger |
46 | 59183afc | Christos Stavrakakis | log = getLogger(__name__) |
47 | 59183afc | Christos Stavrakakis | |
48 | e4f484da | Marios Kogias | '''
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49 | 7d368e73 | Christos Stavrakakis | ips_urlpatterns = patterns(
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50 | 59183afc | Christos Stavrakakis | 'synnefo.api.floating_ips',
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51 | 59183afc | Christos Stavrakakis | (r'^(?:/|.json|.xml)?$', 'demux'),
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52 | 59183afc | Christos Stavrakakis | (r'^/(\w+)(?:.json|.xml)?$', 'floating_ip_demux'),
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53 | 59183afc | Christos Stavrakakis | )
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54 | 59183afc | Christos Stavrakakis |
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55 | 7d368e73 | Christos Stavrakakis | pools_urlpatterns = patterns(
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56 | 7d368e73 | Christos Stavrakakis | "synnefo.api.floating_ips",
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57 | 7d368e73 | Christos Stavrakakis | (r'^(?:/|.json|.xml)?$', 'list_floating_ip_pools'),
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58 | 7d368e73 | Christos Stavrakakis | )
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59 | e4f484da | Marios Kogias | '''
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60 | e4f484da | Marios Kogias | |
61 | e4f484da | Marios Kogias | ips_urlpatterns = patterns( |
62 | e4f484da | Marios Kogias | 'synnefo.api.floating_ips',
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63 | e4f484da | Marios Kogias | (r'^(?:/|.json|.xml)?$', 'demux'), |
64 | e4f484da | Marios Kogias | (r'^/detail(?:.json|.xml)?$', 'list_floating_ips', {'detail': True}), |
65 | e4f484da | Marios Kogias | (r'^/(\w+)(?:/|.json|.xml)?$', 'floating_ip_demux')) |
66 | 7d368e73 | Christos Stavrakakis | |
67 | 59183afc | Christos Stavrakakis | |
68 | 59183afc | Christos Stavrakakis | def demux(request): |
69 | 59183afc | Christos Stavrakakis | if request.method == 'GET': |
70 | 59183afc | Christos Stavrakakis | return list_floating_ips(request)
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71 | 59183afc | Christos Stavrakakis | elif request.method == 'POST': |
72 | 59183afc | Christos Stavrakakis | return allocate_floating_ip(request)
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73 | 59183afc | Christos Stavrakakis | else:
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74 | 20a626e7 | Giorgos Korfiatis | return api.api_method_not_allowed(request)
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75 | 59183afc | Christos Stavrakakis | |
76 | 59183afc | Christos Stavrakakis | |
77 | 59183afc | Christos Stavrakakis | def floating_ip_demux(request, floating_ip_id): |
78 | 59183afc | Christos Stavrakakis | if request.method == 'GET': |
79 | 59183afc | Christos Stavrakakis | return get_floating_ip(request, floating_ip_id)
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80 | 59183afc | Christos Stavrakakis | elif request.method == 'DELETE': |
81 | 59183afc | Christos Stavrakakis | return release_floating_ip(request, floating_ip_id)
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82 | e4f484da | Marios Kogias | elif request.method == 'PUT': |
83 | e4f484da | Marios Kogias | return update_floating_ip(request, floating_ip_id)
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84 | 59183afc | Christos Stavrakakis | else:
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85 | 20a626e7 | Giorgos Korfiatis | return api.api_method_not_allowed(request)
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86 | 59183afc | Christos Stavrakakis | |
87 | 59183afc | Christos Stavrakakis | |
88 | 59183afc | Christos Stavrakakis | def ip_to_dict(floating_ip): |
89 | fde2c1f7 | Christos Stavrakakis | machine_id = None
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90 | e4f484da | Marios Kogias | port_id = None
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91 | fde2c1f7 | Christos Stavrakakis | if floating_ip.nic is not None: |
92 | fde2c1f7 | Christos Stavrakakis | machine_id = floating_ip.nic.machine_id |
93 | e4f484da | Marios Kogias | port_id = floating_ip.nic.id |
94 | e4f484da | Marios Kogias | return {"fixed_ip_address": None, |
95 | 59183afc | Christos Stavrakakis | "id": str(floating_ip.id), |
96 | 59183afc | Christos Stavrakakis | "instance_id": str(machine_id) if machine_id else None, |
97 | e4f484da | Marios Kogias | "floating_ip_address": floating_ip.address,
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98 | e4f484da | Marios Kogias | "port_id": str(floating_ip.nic.id) if port_id else None, |
99 | e4f484da | Marios Kogias | "floating_network_id": str(floating_ip.network_id)} |
100 | 59183afc | Christos Stavrakakis | |
101 | 59183afc | Christos Stavrakakis | |
102 | 1cbe2522 | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log, |
103 | 1cbe2522 | Christos Stavrakakis | serializations=["json"])
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104 | 59183afc | Christos Stavrakakis | def list_floating_ips(request): |
105 | 59183afc | Christos Stavrakakis | """Return user reserved floating IPs"""
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106 | 59183afc | Christos Stavrakakis | log.debug("list_floating_ips")
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107 | 59183afc | Christos Stavrakakis | |
108 | 59183afc | Christos Stavrakakis | userid = request.user_uniq |
109 | fde2c1f7 | Christos Stavrakakis | floating_ips = IPAddress.objects.filter(userid=userid, deleted=False,
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110 | fde2c1f7 | Christos Stavrakakis | floating_ip=True).order_by("id")\ |
111 | fde2c1f7 | Christos Stavrakakis | .select_related("nic")
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112 | b6bc4afa | Christos Stavrakakis | floating_ips = utils.filter_modified_since(request, objects=floating_ips) |
113 | 59183afc | Christos Stavrakakis | |
114 | 59183afc | Christos Stavrakakis | floating_ips = map(ip_to_dict, floating_ips)
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115 | 59183afc | Christos Stavrakakis | |
116 | 59183afc | Christos Stavrakakis | request.serialization = "json"
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117 | 53b0ea25 | Christos Stavrakakis | data = json.dumps({"floatingips": floating_ips})
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118 | 59183afc | Christos Stavrakakis | |
119 | 59183afc | Christos Stavrakakis | return HttpResponse(data, status=200) |
120 | 59183afc | Christos Stavrakakis | |
121 | 59183afc | Christos Stavrakakis | |
122 | 1cbe2522 | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log, |
123 | 1cbe2522 | Christos Stavrakakis | serializations=["json"])
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124 | 59183afc | Christos Stavrakakis | def get_floating_ip(request, floating_ip_id): |
125 | 59183afc | Christos Stavrakakis | """Return information for a floating IP."""
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126 | 59183afc | Christos Stavrakakis | userid = request.user_uniq |
127 | fde2c1f7 | Christos Stavrakakis | floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id) |
128 | 59183afc | Christos Stavrakakis | request.serialization = "json"
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129 | 53b0ea25 | Christos Stavrakakis | data = json.dumps({"floatingip": ip_to_dict(floating_ip)})
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130 | 59183afc | Christos Stavrakakis | return HttpResponse(data, status=200) |
131 | 59183afc | Christos Stavrakakis | |
132 | 59183afc | Christos Stavrakakis | |
133 | 1cbe2522 | Christos Stavrakakis | @api.api_method(http_method='POST', user_required=True, logger=log, |
134 | 1cbe2522 | Christos Stavrakakis | serializations=["json"])
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135 | fde2c1f7 | Christos Stavrakakis | @transaction.commit_on_success
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136 | 59183afc | Christos Stavrakakis | def allocate_floating_ip(request): |
137 | 59183afc | Christos Stavrakakis | """Allocate a floating IP."""
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138 | 59183afc | Christos Stavrakakis | req = utils.get_request_dict(request) |
139 | e4f484da | Marios Kogias | floating_ip_dict = api.utils.get_attribute(req, "floatingip",
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140 | e4f484da | Marios Kogias | required=True)
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141 | 59183afc | Christos Stavrakakis | log.info('allocate_floating_ip %s', req)
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142 | 59183afc | Christos Stavrakakis | |
143 | 59183afc | Christos Stavrakakis | userid = request.user_uniq |
144 | e4f484da | Marios Kogias | |
145 | e4f484da | Marios Kogias | # the network_pool is a mandatory field
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146 | e4f484da | Marios Kogias | network_pool = api.utils.get_attribute(floating_ip_dict, |
147 | e4f484da | Marios Kogias | "floating_network_id",
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148 | e4f484da | Marios Kogias | required=True)
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149 | e4f484da | Marios Kogias | address = api.utils.get_attribute(floating_ip_dict, "floating_ip_address",
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150 | e4f484da | Marios Kogias | required=False)
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151 | e4f484da | Marios Kogias | |
152 | e4f484da | Marios Kogias | try:
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153 | e4f484da | Marios Kogias | network_id = int(network_pool)
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154 | e4f484da | Marios Kogias | except ValueError: |
155 | e4f484da | Marios Kogias | raise faults.BadRequest("Invalid networkd ID.") |
156 | e4f484da | Marios Kogias | network = util.get_network(network_id, userid, for_update=True,
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157 | e4f484da | Marios Kogias | non_deleted=True)
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158 | d610698e | Christos Stavrakakis | |
159 | e4f484da | Marios Kogias | if not network.floating_ip_pool: |
160 | e4f484da | Marios Kogias | # Check that it is a floating IP pool
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161 | e4f484da | Marios Kogias | raise faults.ItemNotFound("Floating IP pool %s does not exist." % |
162 | e4f484da | Marios Kogias | network_id) |
163 | d610698e | Christos Stavrakakis | |
164 | d610698e | Christos Stavrakakis | # Allocate the floating IP
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165 | e4f484da | Marios Kogias | floating_ip = util.allocate_ip(network, userid, address=address, |
166 | e4f484da | Marios Kogias | floating_ip=True)
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167 | d610698e | Christos Stavrakakis | # Issue commission (quotas)
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168 | fde2c1f7 | Christos Stavrakakis | quotas.issue_and_accept_commission(floating_ip) |
169 | fde2c1f7 | Christos Stavrakakis | transaction.commit() |
170 | fde2c1f7 | Christos Stavrakakis | |
171 | fde2c1f7 | Christos Stavrakakis | log.info("User '%s' allocated floating IP '%s'", userid, floating_ip)
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172 | 59183afc | Christos Stavrakakis | |
173 | 59183afc | Christos Stavrakakis | request.serialization = "json"
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174 | 53b0ea25 | Christos Stavrakakis | data = json.dumps({"floatingip": ip_to_dict(floating_ip)})
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175 | 59183afc | Christos Stavrakakis | return HttpResponse(data, status=200) |
176 | 59183afc | Christos Stavrakakis | |
177 | 59183afc | Christos Stavrakakis | |
178 | 1cbe2522 | Christos Stavrakakis | @api.api_method(http_method='DELETE', user_required=True, logger=log, |
179 | 1cbe2522 | Christos Stavrakakis | serializations=["json"])
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180 | 59183afc | Christos Stavrakakis | @transaction.commit_on_success
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181 | 59183afc | Christos Stavrakakis | def release_floating_ip(request, floating_ip_id): |
182 | 59183afc | Christos Stavrakakis | """Release a floating IP."""
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183 | 59183afc | Christos Stavrakakis | userid = request.user_uniq |
184 | 59183afc | Christos Stavrakakis | log.info("release_floating_ip '%s'. User '%s'.", floating_ip_id, userid)
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185 | fde2c1f7 | Christos Stavrakakis | |
186 | fde2c1f7 | Christos Stavrakakis | floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id, |
187 | fde2c1f7 | Christos Stavrakakis | for_update=True)
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188 | fde2c1f7 | Christos Stavrakakis | if floating_ip.nic:
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189 | fde2c1f7 | Christos Stavrakakis | # This is safe, you also need for_update to attach floating IP to
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190 | fde2c1f7 | Christos Stavrakakis | # instance.
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191 | fde2c1f7 | Christos Stavrakakis | msg = "Floating IP '%s' is attached to instance." % floating_ip.id
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192 | fde2c1f7 | Christos Stavrakakis | raise faults.Conflict(msg)
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193 | fde2c1f7 | Christos Stavrakakis | |
194 | fde2c1f7 | Christos Stavrakakis | # Return the address of the floating IP back to pool
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195 | fde2c1f7 | Christos Stavrakakis | floating_ip.release_address() |
196 | fde2c1f7 | Christos Stavrakakis | # And mark the floating IP as deleted
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197 | fde2c1f7 | Christos Stavrakakis | floating_ip.deleted = True
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198 | fde2c1f7 | Christos Stavrakakis | floating_ip.save() |
199 | fde2c1f7 | Christos Stavrakakis | # Release quota for floating IP
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200 | fde2c1f7 | Christos Stavrakakis | quotas.issue_and_accept_commission(floating_ip, delete=True)
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201 | fde2c1f7 | Christos Stavrakakis | transaction.commit() |
202 | fde2c1f7 | Christos Stavrakakis | # Delete the floating IP from DB
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203 | fde2c1f7 | Christos Stavrakakis | floating_ip.delete() |
204 | 59183afc | Christos Stavrakakis | |
205 | 59183afc | Christos Stavrakakis | log.info("User '%s' released IP '%s", userid, floating_ip)
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206 | 59183afc | Christos Stavrakakis | |
207 | 59183afc | Christos Stavrakakis | return HttpResponse(status=204) |
208 | 7d368e73 | Christos Stavrakakis | |
209 | 7d368e73 | Christos Stavrakakis | |
210 | e4f484da | Marios Kogias | @api.api_method(http_method='PUT', user_required=True, logger=log, |
211 | e4f484da | Marios Kogias | serializations=["json"])
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212 | e4f484da | Marios Kogias | @transaction.commit_on_success
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213 | e4f484da | Marios Kogias | def update_floating_ip(request, floating_ip_id): |
214 | e4f484da | Marios Kogias | """Update a floating IP."""
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215 | 1fb3293d | Christos Stavrakakis | raise faults.NotImplemented("Updating a floating IP is not supported.") |
216 | d610698e | Christos Stavrakakis | #userid = request.user_uniq
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217 | d610698e | Christos Stavrakakis | #log.info("update_floating_ip '%s'. User '%s'.", floating_ip_id, userid)
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218 | d610698e | Christos Stavrakakis | |
219 | d610698e | Christos Stavrakakis | #req = utils.get_request_dict(request)
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220 | d610698e | Christos Stavrakakis | #info = api.utils.get_attribute(req, "floatingip", required=True)
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221 | d610698e | Christos Stavrakakis | |
222 | d610698e | Christos Stavrakakis | #device_id = api.utils.get_attribute(info, "device_id", required=False)
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223 | d610698e | Christos Stavrakakis | |
224 | d610698e | Christos Stavrakakis | #floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id,
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225 | d610698e | Christos Stavrakakis | # for_update=True)
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226 | d610698e | Christos Stavrakakis | #if device_id:
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227 | d610698e | Christos Stavrakakis | # # attach
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228 | d610698e | Christos Stavrakakis | # vm = util.get_vm(device_id, userid)
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229 | d610698e | Christos Stavrakakis | # nic, floating_ip = servers.create_nic(vm, ipaddress=floating_ip)
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230 | d610698e | Christos Stavrakakis | # backend.connect_to_network(vm, nic)
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231 | d610698e | Christos Stavrakakis | #else:
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232 | d610698e | Christos Stavrakakis | # # dettach
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233 | d610698e | Christos Stavrakakis | # nic = floating_ip.nic
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234 | d610698e | Christos Stavrakakis | # if not nic:
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235 | d610698e | Christos Stavrakakis | # raise faults.BadRequest("The floating IP is not associated\
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236 | d610698e | Christos Stavrakakis | # with any device")
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237 | d610698e | Christos Stavrakakis | # vm = nic.machine
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238 | d610698e | Christos Stavrakakis | # servers.disconnect(vm, nic)
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239 | d610698e | Christos Stavrakakis | #return HttpResponse(status=202)
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240 | e4f484da | Marios Kogias | |
241 | e4f484da | Marios Kogias | |
242 | fde2c1f7 | Christos Stavrakakis | # Floating IP pools
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243 | 1cbe2522 | Christos Stavrakakis | @api.api_method(http_method='GET', user_required=True, logger=log, |
244 | 1cbe2522 | Christos Stavrakakis | serializations=["json"])
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245 | 7d368e73 | Christos Stavrakakis | def list_floating_ip_pools(request): |
246 | fde2c1f7 | Christos Stavrakakis | networks = Network.objects.filter(public=True, floating_ip_pool=True, |
247 | fde2c1f7 | Christos Stavrakakis | deleted=False)
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248 | b6bc4afa | Christos Stavrakakis | networks = utils.filter_modified_since(request, objects=networks) |
249 | d610698e | Christos Stavrakakis | floating_ip_pools = map(network_to_floating_ip_pool, networks)
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250 | 7d368e73 | Christos Stavrakakis | request.serialization = "json"
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251 | d610698e | Christos Stavrakakis | data = json.dumps({"floating_ip_pools": floating_ip_pools})
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252 | 7d368e73 | Christos Stavrakakis | request.serialization = "json"
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253 | 7d368e73 | Christos Stavrakakis | return HttpResponse(data, status=200) |
254 | fde2c1f7 | Christos Stavrakakis | |
255 | fde2c1f7 | Christos Stavrakakis | |
256 | fde2c1f7 | Christos Stavrakakis | def network_to_floating_ip_pool(network): |
257 | fde2c1f7 | Christos Stavrakakis | """Convert a 'Network' object to a floating IP pool dict."""
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258 | fde2c1f7 | Christos Stavrakakis | total, free = network.ip_count() |
259 | fde2c1f7 | Christos Stavrakakis | return {"name": str(network.id), |
260 | fde2c1f7 | Christos Stavrakakis | "size": total,
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261 | fde2c1f7 | Christos Stavrakakis | "free": free} |