root / snf-cyclades-app / synnefo / management / common.py @ e57893cd
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1 | 11300d7b | Giorgos Verigakis | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 11300d7b | Giorgos Verigakis | #
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3 | 11300d7b | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | 11300d7b | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | 11300d7b | Giorgos Verigakis | # conditions are met:
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6 | 11300d7b | Giorgos Verigakis | #
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7 | 11300d7b | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | 11300d7b | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | 11300d7b | Giorgos Verigakis | # disclaimer.
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10 | 11300d7b | Giorgos Verigakis | #
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11 | 11300d7b | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | 11300d7b | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | 11300d7b | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | 11300d7b | Giorgos Verigakis | # provided with the distribution.
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15 | 11300d7b | Giorgos Verigakis | #
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16 | 11300d7b | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 11300d7b | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 11300d7b | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 11300d7b | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 11300d7b | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 11300d7b | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 11300d7b | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 11300d7b | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 11300d7b | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 11300d7b | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 11300d7b | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 11300d7b | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 11300d7b | Giorgos Verigakis | #
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29 | 11300d7b | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | 11300d7b | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | 11300d7b | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | 11300d7b | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | 11300d7b | Giorgos Verigakis | |
34 | 53b9ba10 | Christos Stavrakakis | from django.core.management import CommandError |
35 | b84ed662 | Christos Stavrakakis | from synnefo.db.models import Backend, VirtualMachine, Network, Flavor |
36 | bad9404c | Christos Stavrakakis | |
37 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
38 | bcd80cd9 | Christos Stavrakakis | from synnefo.api import util |
39 | 2333a2c4 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
40 | 0252fb8b | Christos Stavrakakis | from synnefo.logic.utils import (id_from_instance_name, |
41 | 0252fb8b | Christos Stavrakakis | id_from_network_name) |
42 | 11300d7b | Giorgos Verigakis | |
43 | 8814e07c | Christos Stavrakakis | import logging |
44 | 8814e07c | Christos Stavrakakis | log = logging.getLogger(__name__) |
45 | 8814e07c | Christos Stavrakakis | |
46 | 11300d7b | Giorgos Verigakis | |
47 | f66d8b04 | Christos Stavrakakis | def format_vm_state(vm): |
48 | f66d8b04 | Christos Stavrakakis | if vm.operstate == "BUILD": |
49 | f66d8b04 | Christos Stavrakakis | return "BUILD(" + str(vm.buildpercentage) + "%)" |
50 | f66d8b04 | Christos Stavrakakis | else:
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51 | f66d8b04 | Christos Stavrakakis | return vm.operstate
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52 | 53b9ba10 | Christos Stavrakakis | |
53 | 53b9ba10 | Christos Stavrakakis | |
54 | 53b9ba10 | Christos Stavrakakis | def validate_network_info(options): |
55 | 53b9ba10 | Christos Stavrakakis | subnet = options['subnet']
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56 | 53b9ba10 | Christos Stavrakakis | gateway = options['gateway']
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57 | 53b9ba10 | Christos Stavrakakis | subnet6 = options['subnet6']
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58 | 53b9ba10 | Christos Stavrakakis | gateway6 = options['gateway6']
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59 | 53b9ba10 | Christos Stavrakakis | |
60 | 53b9ba10 | Christos Stavrakakis | try:
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61 | bcd80cd9 | Christos Stavrakakis | util.validate_network_params(subnet, gateway) |
62 | bd40abfa | Christos Stavrakakis | except (faults.BadRequest, faults.OverLimit) as e: |
63 | 9ae613af | Christos Stavrakakis | raise CommandError(e)
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64 | 53b9ba10 | Christos Stavrakakis | |
65 | 53b9ba10 | Christos Stavrakakis | return subnet, gateway, subnet6, gateway6
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66 | b84ed662 | Christos Stavrakakis | |
67 | b84ed662 | Christos Stavrakakis | |
68 | b84ed662 | Christos Stavrakakis | def get_backend(backend_id): |
69 | b84ed662 | Christos Stavrakakis | try:
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70 | b84ed662 | Christos Stavrakakis | backend_id = int(backend_id)
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71 | b84ed662 | Christos Stavrakakis | return Backend.objects.get(id=backend_id)
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72 | b84ed662 | Christos Stavrakakis | except ValueError: |
73 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid Backend ID: %s" % backend_id) |
74 | b84ed662 | Christos Stavrakakis | except Backend.DoesNotExist:
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75 | b84ed662 | Christos Stavrakakis | raise CommandError("Backend with ID %s not found in DB. " |
76 | b84ed662 | Christos Stavrakakis | " Use snf-manage backend-list to find"
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77 | b84ed662 | Christos Stavrakakis | " out available backend IDs." % backend_id)
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78 | b84ed662 | Christos Stavrakakis | |
79 | b84ed662 | Christos Stavrakakis | |
80 | b84ed662 | Christos Stavrakakis | def get_image(image_id, user_id): |
81 | b84ed662 | Christos Stavrakakis | if image_id:
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82 | b84ed662 | Christos Stavrakakis | try:
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83 | bcd80cd9 | Christos Stavrakakis | return util.get_image_dict(image_id, user_id)
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84 | bd40abfa | Christos Stavrakakis | except faults.ItemNotFound:
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85 | b84ed662 | Christos Stavrakakis | raise CommandError("Image with ID %s not found." |
86 | b84ed662 | Christos Stavrakakis | " Use snf-manage image-list to find"
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87 | b84ed662 | Christos Stavrakakis | " out available image IDs." % image_id)
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88 | b84ed662 | Christos Stavrakakis | else:
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89 | b84ed662 | Christos Stavrakakis | raise CommandError("image-id is mandatory") |
90 | b84ed662 | Christos Stavrakakis | |
91 | b84ed662 | Christos Stavrakakis | |
92 | b84ed662 | Christos Stavrakakis | def get_vm(server_id): |
93 | 0252fb8b | Christos Stavrakakis | """Get a VirtualMachine object by its ID.
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94 | 0252fb8b | Christos Stavrakakis |
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95 | 0252fb8b | Christos Stavrakakis | @type server_id: int or string
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96 | 0252fb8b | Christos Stavrakakis | @param server_id: The server's DB id or the Ganeti name
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97 | 0252fb8b | Christos Stavrakakis |
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98 | 0252fb8b | Christos Stavrakakis | """
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99 | b84ed662 | Christos Stavrakakis | try:
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100 | b84ed662 | Christos Stavrakakis | server_id = int(server_id)
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101 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
102 | 0252fb8b | Christos Stavrakakis | try:
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103 | 0252fb8b | Christos Stavrakakis | server_id = id_from_instance_name(server_id) |
104 | 0252fb8b | Christos Stavrakakis | except VirtualMachine.InvalidBackendIdError:
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105 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid server ID: %s" % server_id) |
106 | 0252fb8b | Christos Stavrakakis | |
107 | 0252fb8b | Christos Stavrakakis | try:
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108 | b84ed662 | Christos Stavrakakis | return VirtualMachine.objects.get(id=server_id)
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109 | b84ed662 | Christos Stavrakakis | except VirtualMachine.DoesNotExist:
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110 | b84ed662 | Christos Stavrakakis | raise CommandError("Server with ID %s not found in DB." |
111 | b84ed662 | Christos Stavrakakis | " Use snf-manage server-list to find out"
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112 | b84ed662 | Christos Stavrakakis | " available server IDs." % server_id)
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113 | b84ed662 | Christos Stavrakakis | |
114 | b84ed662 | Christos Stavrakakis | |
115 | e57893cd | Christos Stavrakakis | def get_network(network_id, for_update=True): |
116 | 0252fb8b | Christos Stavrakakis | """Get a Network object by its ID.
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117 | 0252fb8b | Christos Stavrakakis |
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118 | 0252fb8b | Christos Stavrakakis | @type network_id: int or string
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119 | 0252fb8b | Christos Stavrakakis | @param network_id: The networks DB id or the Ganeti name
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120 | 0252fb8b | Christos Stavrakakis |
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121 | 0252fb8b | Christos Stavrakakis | """
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122 | 0252fb8b | Christos Stavrakakis | |
123 | b84ed662 | Christos Stavrakakis | try:
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124 | b84ed662 | Christos Stavrakakis | network_id = int(network_id)
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125 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
126 | 0252fb8b | Christos Stavrakakis | try:
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127 | 0252fb8b | Christos Stavrakakis | network_id = id_from_network_name(network_id) |
128 | 0252fb8b | Christos Stavrakakis | except Network.InvalidBackendIdError:
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129 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid network ID: %s" % network_id) |
130 | 0252fb8b | Christos Stavrakakis | |
131 | e57893cd | Christos Stavrakakis | networks = Network.objects |
132 | e57893cd | Christos Stavrakakis | if for_update:
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133 | e57893cd | Christos Stavrakakis | networks = networks.select_for_update() |
134 | 0252fb8b | Christos Stavrakakis | try:
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135 | e57893cd | Christos Stavrakakis | return networks.get(id=network_id)
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136 | b84ed662 | Christos Stavrakakis | except Network.DoesNotExist:
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137 | b84ed662 | Christos Stavrakakis | raise CommandError("Network with ID %s not found in DB." |
138 | b84ed662 | Christos Stavrakakis | " Use snf-manage network-list to find out"
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139 | b84ed662 | Christos Stavrakakis | " available network IDs." % network_id)
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140 | b84ed662 | Christos Stavrakakis | |
141 | b84ed662 | Christos Stavrakakis | |
142 | b84ed662 | Christos Stavrakakis | def get_flavor(flavor_id): |
143 | b84ed662 | Christos Stavrakakis | try:
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144 | b84ed662 | Christos Stavrakakis | flavor_id = int(flavor_id)
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145 | b84ed662 | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id)
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146 | b84ed662 | Christos Stavrakakis | except ValueError: |
147 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid flavor ID: %s", flavor_id) |
148 | b84ed662 | Christos Stavrakakis | except Flavor.DoesNotExist:
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149 | b84ed662 | Christos Stavrakakis | raise CommandError("Flavor with ID %s not found in DB." |
150 | b84ed662 | Christos Stavrakakis | " Use snf-manage flavor-list to find out"
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151 | b84ed662 | Christos Stavrakakis | " available flavor IDs." % flavor_id)
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152 | bad9404c | Christos Stavrakakis | |
153 | bad9404c | Christos Stavrakakis | |
154 | 2333a2c4 | Christos Stavrakakis | def check_backend_credentials(clustername, port, username, password): |
155 | 2333a2c4 | Christos Stavrakakis | try:
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156 | 2333a2c4 | Christos Stavrakakis | client = GanetiRapiClient(clustername, port, username, password) |
157 | 2333a2c4 | Christos Stavrakakis | # This command will raise an exception if there is no
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158 | 2333a2c4 | Christos Stavrakakis | # write-access
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159 | 2333a2c4 | Christos Stavrakakis | client.ModifyCluster() |
160 | 2333a2c4 | Christos Stavrakakis | except GanetiApiError as e: |
161 | 2333a2c4 | Christos Stavrakakis | raise CommandError(e)
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162 | 2333a2c4 | Christos Stavrakakis | |
163 | 2333a2c4 | Christos Stavrakakis | info = client.GetInfo() |
164 | 2333a2c4 | Christos Stavrakakis | info_name = info['name']
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165 | 2333a2c4 | Christos Stavrakakis | if info_name != clustername:
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166 | 2333a2c4 | Christos Stavrakakis | raise CommandError("Invalid clustername value. Please use the" |
167 | 2333a2c4 | Christos Stavrakakis | " Ganeti Cluster name: %s" % info_name)
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168 | 7a0aa449 | Christos Stavrakakis | |
169 | 7a0aa449 | Christos Stavrakakis | |
170 | 4500650c | Stratos Psomadakis | class Omit(object): |
171 | 4500650c | Stratos Psomadakis | pass |