root / snf-cyclades-app / synnefo / api / management / commands / network-create.py @ 71ec054d
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1 | 6dd70a5c | Christos Stavrakakis | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 6dd70a5c | Christos Stavrakakis | #
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3 | 6dd70a5c | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 6dd70a5c | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 6dd70a5c | Christos Stavrakakis | # conditions are met:
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6 | 6dd70a5c | Christos Stavrakakis | #
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7 | 6dd70a5c | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 6dd70a5c | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 6dd70a5c | Christos Stavrakakis | # disclaimer.
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10 | 6dd70a5c | Christos Stavrakakis | #
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11 | 6dd70a5c | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 6dd70a5c | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 6dd70a5c | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 6dd70a5c | Christos Stavrakakis | # provided with the distribution.
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15 | 6dd70a5c | Christos Stavrakakis | #
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16 | 6dd70a5c | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 6dd70a5c | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 6dd70a5c | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 6dd70a5c | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 6dd70a5c | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 6dd70a5c | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 6dd70a5c | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 6dd70a5c | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 6dd70a5c | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 6dd70a5c | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 6dd70a5c | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 6dd70a5c | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 6dd70a5c | Christos Stavrakakis | #
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29 | 6dd70a5c | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 6dd70a5c | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 6dd70a5c | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 6dd70a5c | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 6dd70a5c | Christos Stavrakakis | |
34 | 6dd70a5c | Christos Stavrakakis | from optparse import make_option |
35 | 6dd70a5c | Christos Stavrakakis | |
36 | 6dd70a5c | Christos Stavrakakis | from django.core.management.base import BaseCommand, CommandError |
37 | 6dd70a5c | Christos Stavrakakis | |
38 | 7fede91e | Christos Stavrakakis | from synnefo.db.models import Network, Backend |
39 | af6a3bc5 | Christos Stavrakakis | from synnefo.api.util import net_resources, validate_network_size |
40 | 6dd70a5c | Christos Stavrakakis | from synnefo.logic.backend import create_network |
41 | b14725eb | Christos Stavrakakis | from synnefo import settings |
42 | 6dd70a5c | Christos Stavrakakis | |
43 | 6dd70a5c | Christos Stavrakakis | import ipaddr |
44 | 6dd70a5c | Christos Stavrakakis | |
45 | 6dd70a5c | Christos Stavrakakis | NETWORK_TYPES = ['PUBLIC_ROUTED', 'PRIVATE_MAC_FILTERED', |
46 | 6dd70a5c | Christos Stavrakakis | 'PRIVATE_PHYSICAL_VLAN', 'CUSTOM_ROUTED', |
47 | 6dd70a5c | Christos Stavrakakis | 'CUSTOM_BRIDGED']
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48 | 6dd70a5c | Christos Stavrakakis | |
49 | 6dd70a5c | Christos Stavrakakis | |
50 | 6dd70a5c | Christos Stavrakakis | class Command(BaseCommand): |
51 | b14725eb | Christos Stavrakakis | can_import_settings = True
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52 | b7e74f05 | Christos Stavrakakis | output_transaction = True
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53 | b14725eb | Christos Stavrakakis | |
54 | 6dd70a5c | Christos Stavrakakis | help = "Create a new network"
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55 | 6dd70a5c | Christos Stavrakakis | |
56 | 6dd70a5c | Christos Stavrakakis | option_list = BaseCommand.option_list + ( |
57 | 6dd70a5c | Christos Stavrakakis | make_option('--name',
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58 | 6dd70a5c | Christos Stavrakakis | dest='name',
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59 | 6dd70a5c | Christos Stavrakakis | help="Name of network"),
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60 | 6dd70a5c | Christos Stavrakakis | make_option('--owner',
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61 | 6dd70a5c | Christos Stavrakakis | dest='owner',
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62 | 6dd70a5c | Christos Stavrakakis | help="The owner of the network"),
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63 | 6dd70a5c | Christos Stavrakakis | make_option('--subnet',
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64 | 6dd70a5c | Christos Stavrakakis | dest='subnet',
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65 | 6dd70a5c | Christos Stavrakakis | default=None,
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66 | 6dd70a5c | Christos Stavrakakis | # required=True,
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67 | 6dd70a5c | Christos Stavrakakis | help='Subnet of the network'),
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68 | 6dd70a5c | Christos Stavrakakis | make_option('--gateway',
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69 | 6dd70a5c | Christos Stavrakakis | dest='gateway',
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70 | 6dd70a5c | Christos Stavrakakis | default=None,
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71 | 6dd70a5c | Christos Stavrakakis | help='Gateway of the network'),
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72 | 6dd70a5c | Christos Stavrakakis | make_option('--dhcp',
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73 | 6dd70a5c | Christos Stavrakakis | dest='dhcp',
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74 | 6dd70a5c | Christos Stavrakakis | action='store_true',
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75 | 6dd70a5c | Christos Stavrakakis | default=False,
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76 | 6dd70a5c | Christos Stavrakakis | help='Automatically assign IPs'),
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77 | 6dd70a5c | Christos Stavrakakis | make_option('--public',
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78 | 6dd70a5c | Christos Stavrakakis | dest='public',
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79 | 6dd70a5c | Christos Stavrakakis | action='store_true',
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80 | 6dd70a5c | Christos Stavrakakis | default=False,
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81 | 6dd70a5c | Christos Stavrakakis | help='Network is public'),
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82 | 6dd70a5c | Christos Stavrakakis | make_option('--type',
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83 | 6dd70a5c | Christos Stavrakakis | dest='type',
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84 | 6dd70a5c | Christos Stavrakakis | default='PRIVATE_MAC_FILTERED',
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85 | 6dd70a5c | Christos Stavrakakis | choices=NETWORK_TYPES, |
86 | 6dd70a5c | Christos Stavrakakis | help='Type of network. Choices: ' + ', '.join(NETWORK_TYPES)), |
87 | 6dd70a5c | Christos Stavrakakis | make_option('--subnet6',
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88 | 6dd70a5c | Christos Stavrakakis | dest='subnet6',
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89 | 6dd70a5c | Christos Stavrakakis | default=None,
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90 | 6dd70a5c | Christos Stavrakakis | help='IPv6 subnet of the network'),
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91 | 6dd70a5c | Christos Stavrakakis | make_option('--gateway6',
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92 | 6dd70a5c | Christos Stavrakakis | dest='gateway6',
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93 | 6dd70a5c | Christos Stavrakakis | default=None,
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94 | 6dd70a5c | Christos Stavrakakis | help='IPv6 gateway of the network'),
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95 | 7fede91e | Christos Stavrakakis | make_option('--backend-id',
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96 | 7fede91e | Christos Stavrakakis | dest='backend_id',
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97 | 7fede91e | Christos Stavrakakis | default=None,
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98 | 7fede91e | Christos Stavrakakis | help='ID of the backend that the network will be created. Only for'
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99 | 71ec054d | Christos Stavrakakis | ' public networks'),
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100 | 71ec054d | Christos Stavrakakis | make_option('--link',
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101 | 71ec054d | Christos Stavrakakis | dest='link',
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102 | 71ec054d | Christos Stavrakakis | default=None,
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103 | 71ec054d | Christos Stavrakakis | help="Connectivity link of the Network. None for default."),
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104 | 71ec054d | Christos Stavrakakis | make_option('--mac-prefix',
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105 | 71ec054d | Christos Stavrakakis | dest='mac_prefix',
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106 | 71ec054d | Christos Stavrakakis | default=None,
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107 | 71ec054d | Christos Stavrakakis | help="MAC prefix of the network. None for default")
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108 | 6dd70a5c | Christos Stavrakakis | ) |
109 | 6dd70a5c | Christos Stavrakakis | |
110 | 6dd70a5c | Christos Stavrakakis | def handle(self, *args, **options): |
111 | 6dd70a5c | Christos Stavrakakis | if args:
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112 | 6dd70a5c | Christos Stavrakakis | raise CommandError("Command doesn't accept any arguments") |
113 | 6dd70a5c | Christos Stavrakakis | |
114 | 6dd70a5c | Christos Stavrakakis | name = options['name']
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115 | 6dd70a5c | Christos Stavrakakis | subnet = options['subnet']
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116 | af6a3bc5 | Christos Stavrakakis | net_type = options['type']
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117 | 7fede91e | Christos Stavrakakis | backend_id = options['backend_id']
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118 | 7fede91e | Christos Stavrakakis | public = options['public']
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119 | 71ec054d | Christos Stavrakakis | link = options['link']
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120 | 71ec054d | Christos Stavrakakis | mac_prefix = options['mac_prefix']
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121 | 6dd70a5c | Christos Stavrakakis | |
122 | 6dd70a5c | Christos Stavrakakis | if not name: |
123 | 6dd70a5c | Christos Stavrakakis | raise CommandError("Name is required") |
124 | 6dd70a5c | Christos Stavrakakis | if not subnet: |
125 | 6dd70a5c | Christos Stavrakakis | raise CommandError("Subnet is required") |
126 | 7fede91e | Christos Stavrakakis | if public and not backend_id: |
127 | 7fede91e | Christos Stavrakakis | raise CommandError("backend-id is required") |
128 | 7fede91e | Christos Stavrakakis | if backend_id and not public: |
129 | 7fede91e | Christos Stavrakakis | raise CommandError("Private networks must be created to" |
130 | 7fede91e | Christos Stavrakakis | " all backends")
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131 | 7fede91e | Christos Stavrakakis | |
132 | 71ec054d | Christos Stavrakakis | if mac_prefix and net_type == "PRIVATE_MAC_FILTERED": |
133 | 71ec054d | Christos Stavrakakis | raise CommandError("Can not override MAC_FILTERED mac-prefix") |
134 | 71ec054d | Christos Stavrakakis | if link and net_type == "PRIVATE_PHYSICAL_VLAN": |
135 | 71ec054d | Christos Stavrakakis | raise CommandError("Can not override PHYSICAL_VLAN link") |
136 | 71ec054d | Christos Stavrakakis | |
137 | 7fede91e | Christos Stavrakakis | if backend_id:
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138 | 7fede91e | Christos Stavrakakis | try:
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139 | 7fede91e | Christos Stavrakakis | backend_id = int(backend_id)
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140 | 7fede91e | Christos Stavrakakis | backend = Backend.objects.get(id=backend_id) |
141 | 7fede91e | Christos Stavrakakis | except ValueError: |
142 | 7fede91e | Christos Stavrakakis | raise CommandError("Invalid backend ID") |
143 | 7fede91e | Christos Stavrakakis | except Backend.DoesNotExist:
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144 | 7fede91e | Christos Stavrakakis | raise CommandError("Backend not found in DB") |
145 | 6dd70a5c | Christos Stavrakakis | |
146 | 71ec054d | Christos Stavrakakis | default_link, default_mac_prefix = net_resources(net_type) |
147 | 71ec054d | Christos Stavrakakis | if not link: |
148 | 71ec054d | Christos Stavrakakis | link = default_link |
149 | 71ec054d | Christos Stavrakakis | if not mac_prefix: |
150 | 71ec054d | Christos Stavrakakis | mac_prefix = default_mac_prefix |
151 | 6dd70a5c | Christos Stavrakakis | |
152 | 6dd70a5c | Christos Stavrakakis | subnet, gateway, subnet6, gateway6 = validate_network_info(options) |
153 | 6dd70a5c | Christos Stavrakakis | |
154 | 6dd70a5c | Christos Stavrakakis | if not link: |
155 | 6dd70a5c | Christos Stavrakakis | raise CommandError("Can not create network. No connectivity link") |
156 | 6dd70a5c | Christos Stavrakakis | |
157 | 6dd70a5c | Christos Stavrakakis | network = Network.objects.create( |
158 | 6dd70a5c | Christos Stavrakakis | name=name, |
159 | 6dd70a5c | Christos Stavrakakis | userid=options['owner'],
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160 | 6dd70a5c | Christos Stavrakakis | subnet=subnet, |
161 | 6dd70a5c | Christos Stavrakakis | gateway=gateway, |
162 | 6dd70a5c | Christos Stavrakakis | dhcp=options['dhcp'],
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163 | af6a3bc5 | Christos Stavrakakis | type=net_type, |
164 | 7fede91e | Christos Stavrakakis | public=public, |
165 | 6dd70a5c | Christos Stavrakakis | link=link, |
166 | af6a3bc5 | Christos Stavrakakis | mac_prefix=mac_prefix, |
167 | 6dd70a5c | Christos Stavrakakis | gateway6=gateway6, |
168 | 6dd70a5c | Christos Stavrakakis | subnet6=subnet6, |
169 | 6dd70a5c | Christos Stavrakakis | state='PENDING')
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170 | 6dd70a5c | Christos Stavrakakis | |
171 | 7fede91e | Christos Stavrakakis | if public:
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172 | 7fede91e | Christos Stavrakakis | # Create BackendNetwork only to the specified Backend
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173 | 7fede91e | Christos Stavrakakis | network.create_backend_network(backend) |
174 | 7fede91e | Christos Stavrakakis | create_network(network, backends=[backend]) |
175 | 7fede91e | Christos Stavrakakis | else:
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176 | 7fede91e | Christos Stavrakakis | # Create BackendNetwork entries for all Backends
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177 | 7fede91e | Christos Stavrakakis | network.create_backend_network() |
178 | 7fede91e | Christos Stavrakakis | create_network(network) |
179 | 7cfbbf32 | Christos Stavrakakis | |
180 | 6dd70a5c | Christos Stavrakakis | |
181 | 6dd70a5c | Christos Stavrakakis | def validate_network_info(options): |
182 | 6dd70a5c | Christos Stavrakakis | subnet = options['subnet']
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183 | 6dd70a5c | Christos Stavrakakis | gateway = options['gateway']
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184 | 6dd70a5c | Christos Stavrakakis | subnet6 = options['subnet6']
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185 | 6dd70a5c | Christos Stavrakakis | gateway6 = options['gateway6']
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186 | 6dd70a5c | Christos Stavrakakis | |
187 | 6dd70a5c | Christos Stavrakakis | try:
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188 | b14725eb | Christos Stavrakakis | net = ipaddr.IPv4Network(subnet) |
189 | b14725eb | Christos Stavrakakis | prefix = net.prefixlen |
190 | b14725eb | Christos Stavrakakis | if not validate_network_size(prefix): |
191 | b14725eb | Christos Stavrakakis | raise CommandError("Unsupport network mask %d." |
192 | b14725eb | Christos Stavrakakis | " Must be in range (%s,29] "
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193 | b14725eb | Christos Stavrakakis | % (prefix, settings.MAX_CIDR_BLOCK)) |
194 | 6dd70a5c | Christos Stavrakakis | except ValueError: |
195 | 6dd70a5c | Christos Stavrakakis | raise CommandError('Malformed subnet') |
196 | 6dd70a5c | Christos Stavrakakis | try:
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197 | 6dd70a5c | Christos Stavrakakis | gateway and ipaddr.IPv4Address(gateway) or None |
198 | 6dd70a5c | Christos Stavrakakis | except ValueError: |
199 | 6dd70a5c | Christos Stavrakakis | raise CommandError('Malformed gateway') |
200 | 6dd70a5c | Christos Stavrakakis | |
201 | 6dd70a5c | Christos Stavrakakis | try:
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202 | 6dd70a5c | Christos Stavrakakis | subnet6 and ipaddr.IPv6Network(subnet6) or None |
203 | 6dd70a5c | Christos Stavrakakis | except ValueError: |
204 | 6dd70a5c | Christos Stavrakakis | raise CommandError('Malformed subnet6') |
205 | 6dd70a5c | Christos Stavrakakis | |
206 | 6dd70a5c | Christos Stavrakakis | try:
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207 | 6dd70a5c | Christos Stavrakakis | gateway6 and ipaddr.IPv6Address(gateway6) or None |
208 | 6dd70a5c | Christos Stavrakakis | except ValueError: |
209 | 6dd70a5c | Christos Stavrakakis | raise CommandError('Malformed gateway6') |
210 | 6dd70a5c | Christos Stavrakakis | |
211 | 6dd70a5c | Christos Stavrakakis | return subnet, gateway, subnet6, gateway6 |