root / snf-cyclades-app / synnefo / management / common.py @ bac6ed1e
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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 | 9d1e6480 | Marios Kogias | from synnefo.db.models import (Backend, VirtualMachine, Network, |
36 | b48697f0 | Christos Stavrakakis | Flavor, IPAddress, Subnet, |
37 | 09b76b7e | Christos Stavrakakis | BridgePoolTable, MacPrefixPoolTable, |
38 | 09b76b7e | Christos Stavrakakis | NetworkInterface) |
39 | c75ab92e | Christos Stavrakakis | from functools import wraps |
40 | bad9404c | Christos Stavrakakis | |
41 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
42 | bcd80cd9 | Christos Stavrakakis | from synnefo.api import util |
43 | 35f2fc07 | Christos Stavrakakis | from synnefo.logic import backend as backend_mod |
44 | 2333a2c4 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
45 | 0252fb8b | Christos Stavrakakis | from synnefo.logic.utils import (id_from_instance_name, |
46 | 0252fb8b | Christos Stavrakakis | id_from_network_name) |
47 | 11300d7b | Giorgos Verigakis | |
48 | 8814e07c | Christos Stavrakakis | import logging |
49 | 8814e07c | Christos Stavrakakis | log = logging.getLogger(__name__) |
50 | 8814e07c | Christos Stavrakakis | |
51 | 11300d7b | Giorgos Verigakis | |
52 | f66d8b04 | Christos Stavrakakis | def format_vm_state(vm): |
53 | f66d8b04 | Christos Stavrakakis | if vm.operstate == "BUILD": |
54 | f66d8b04 | Christos Stavrakakis | return "BUILD(" + str(vm.buildpercentage) + "%)" |
55 | f66d8b04 | Christos Stavrakakis | else:
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56 | f66d8b04 | Christos Stavrakakis | return vm.operstate
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57 | 53b9ba10 | Christos Stavrakakis | |
58 | 53b9ba10 | Christos Stavrakakis | |
59 | b84ed662 | Christos Stavrakakis | def get_backend(backend_id): |
60 | b84ed662 | Christos Stavrakakis | try:
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61 | b84ed662 | Christos Stavrakakis | backend_id = int(backend_id)
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62 | b84ed662 | Christos Stavrakakis | return Backend.objects.get(id=backend_id)
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63 | b84ed662 | Christos Stavrakakis | except ValueError: |
64 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid Backend ID: %s" % backend_id) |
65 | b84ed662 | Christos Stavrakakis | except Backend.DoesNotExist:
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66 | b84ed662 | Christos Stavrakakis | raise CommandError("Backend with ID %s not found in DB. " |
67 | b84ed662 | Christos Stavrakakis | " Use snf-manage backend-list to find"
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68 | b84ed662 | Christos Stavrakakis | " out available backend IDs." % backend_id)
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69 | b84ed662 | Christos Stavrakakis | |
70 | b84ed662 | Christos Stavrakakis | |
71 | b84ed662 | Christos Stavrakakis | def get_image(image_id, user_id): |
72 | b84ed662 | Christos Stavrakakis | if image_id:
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73 | b84ed662 | Christos Stavrakakis | try:
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74 | bcd80cd9 | Christos Stavrakakis | return util.get_image_dict(image_id, user_id)
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75 | bd40abfa | Christos Stavrakakis | except faults.ItemNotFound:
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76 | b84ed662 | Christos Stavrakakis | raise CommandError("Image with ID %s not found." |
77 | b84ed662 | Christos Stavrakakis | " Use snf-manage image-list to find"
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78 | b84ed662 | Christos Stavrakakis | " out available image IDs." % image_id)
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79 | b84ed662 | Christos Stavrakakis | else:
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80 | b84ed662 | Christos Stavrakakis | raise CommandError("image-id is mandatory") |
81 | b84ed662 | Christos Stavrakakis | |
82 | b84ed662 | Christos Stavrakakis | |
83 | b84ed662 | Christos Stavrakakis | def get_vm(server_id): |
84 | 0252fb8b | Christos Stavrakakis | """Get a VirtualMachine object by its ID.
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85 | 0252fb8b | Christos Stavrakakis |
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86 | 0252fb8b | Christos Stavrakakis | @type server_id: int or string
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87 | 0252fb8b | Christos Stavrakakis | @param server_id: The server's DB id or the Ganeti name
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88 | 0252fb8b | Christos Stavrakakis |
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89 | 0252fb8b | Christos Stavrakakis | """
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90 | b84ed662 | Christos Stavrakakis | try:
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91 | b84ed662 | Christos Stavrakakis | server_id = int(server_id)
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92 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
93 | 0252fb8b | Christos Stavrakakis | try:
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94 | 0252fb8b | Christos Stavrakakis | server_id = id_from_instance_name(server_id) |
95 | 0252fb8b | Christos Stavrakakis | except VirtualMachine.InvalidBackendIdError:
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96 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid server ID: %s" % server_id) |
97 | 0252fb8b | Christos Stavrakakis | |
98 | 0252fb8b | Christos Stavrakakis | try:
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99 | b84ed662 | Christos Stavrakakis | return VirtualMachine.objects.get(id=server_id)
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100 | b84ed662 | Christos Stavrakakis | except VirtualMachine.DoesNotExist:
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101 | b84ed662 | Christos Stavrakakis | raise CommandError("Server with ID %s not found in DB." |
102 | b84ed662 | Christos Stavrakakis | " Use snf-manage server-list to find out"
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103 | b84ed662 | Christos Stavrakakis | " available server IDs." % server_id)
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104 | b84ed662 | Christos Stavrakakis | |
105 | b84ed662 | Christos Stavrakakis | |
106 | e57893cd | Christos Stavrakakis | def get_network(network_id, for_update=True): |
107 | 0252fb8b | Christos Stavrakakis | """Get a Network object by its ID.
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108 | 0252fb8b | Christos Stavrakakis |
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109 | 0252fb8b | Christos Stavrakakis | @type network_id: int or string
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110 | 0252fb8b | Christos Stavrakakis | @param network_id: The networks DB id or the Ganeti name
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111 | 0252fb8b | Christos Stavrakakis |
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112 | 0252fb8b | Christos Stavrakakis | """
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113 | 0252fb8b | Christos Stavrakakis | |
114 | b84ed662 | Christos Stavrakakis | try:
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115 | b84ed662 | Christos Stavrakakis | network_id = int(network_id)
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116 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
117 | 0252fb8b | Christos Stavrakakis | try:
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118 | 0252fb8b | Christos Stavrakakis | network_id = id_from_network_name(network_id) |
119 | 0252fb8b | Christos Stavrakakis | except Network.InvalidBackendIdError:
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120 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid network ID: %s" % network_id) |
121 | 0252fb8b | Christos Stavrakakis | |
122 | e57893cd | Christos Stavrakakis | networks = Network.objects |
123 | e57893cd | Christos Stavrakakis | if for_update:
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124 | e57893cd | Christos Stavrakakis | networks = networks.select_for_update() |
125 | 0252fb8b | Christos Stavrakakis | try:
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126 | e57893cd | Christos Stavrakakis | return networks.get(id=network_id)
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127 | b84ed662 | Christos Stavrakakis | except Network.DoesNotExist:
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128 | b84ed662 | Christos Stavrakakis | raise CommandError("Network with ID %s not found in DB." |
129 | b84ed662 | Christos Stavrakakis | " Use snf-manage network-list to find out"
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130 | b84ed662 | Christos Stavrakakis | " available network IDs." % network_id)
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131 | b84ed662 | Christos Stavrakakis | |
132 | b84ed662 | Christos Stavrakakis | |
133 | a17ce1de | Dionysis Grigoropoulos | def get_subnet(subnet_id, for_update=True): |
134 | a17ce1de | Dionysis Grigoropoulos | """Get a Subnet object by its ID."""
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135 | a17ce1de | Dionysis Grigoropoulos | try:
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136 | 09b76b7e | Christos Stavrakakis | subnets = Subnet.objects |
137 | 09b76b7e | Christos Stavrakakis | if for_update:
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138 | 09b76b7e | Christos Stavrakakis | subnets.select_for_update() |
139 | 09b76b7e | Christos Stavrakakis | return subnets.get(id=subnet_id)
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140 | a17ce1de | Dionysis Grigoropoulos | except Subnet.DoesNotExist:
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141 | a17ce1de | Dionysis Grigoropoulos | raise CommandError("Subnet with ID %s not found in DB." |
142 | a17ce1de | Dionysis Grigoropoulos | " Use snf-manage subnet-list to find out"
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143 | a17ce1de | Dionysis Grigoropoulos | " available subnet IDs" % subnet_id)
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144 | a17ce1de | Dionysis Grigoropoulos | |
145 | a17ce1de | Dionysis Grigoropoulos | |
146 | 09b76b7e | Christos Stavrakakis | def get_port(port_id, for_update=True): |
147 | 09b76b7e | Christos Stavrakakis | """Get a port object by its ID."""
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148 | 09b76b7e | Christos Stavrakakis | try:
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149 | 09b76b7e | Christos Stavrakakis | ports = NetworkInterface.objects |
150 | 09b76b7e | Christos Stavrakakis | if for_update:
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151 | 09b76b7e | Christos Stavrakakis | ports.select_for_update() |
152 | 09b76b7e | Christos Stavrakakis | return ports.get(id=port_id)
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153 | 09b76b7e | Christos Stavrakakis | except NetworkInterface.DoesNotExist:
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154 | 09b76b7e | Christos Stavrakakis | raise CommandError("Port with ID %s not found in DB." |
155 | 09b76b7e | Christos Stavrakakis | " Use snf-manage port-list to find out"
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156 | 09b76b7e | Christos Stavrakakis | " available port IDs" % port_id)
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157 | 09b76b7e | Christos Stavrakakis | |
158 | 09b76b7e | Christos Stavrakakis | |
159 | b84ed662 | Christos Stavrakakis | def get_flavor(flavor_id): |
160 | b84ed662 | Christos Stavrakakis | try:
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161 | b84ed662 | Christos Stavrakakis | flavor_id = int(flavor_id)
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162 | b84ed662 | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id)
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163 | b84ed662 | Christos Stavrakakis | except ValueError: |
164 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid flavor ID: %s", flavor_id) |
165 | b84ed662 | Christos Stavrakakis | except Flavor.DoesNotExist:
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166 | b84ed662 | Christos Stavrakakis | raise CommandError("Flavor with ID %s not found in DB." |
167 | b84ed662 | Christos Stavrakakis | " Use snf-manage flavor-list to find out"
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168 | b84ed662 | Christos Stavrakakis | " available flavor IDs." % flavor_id)
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169 | bad9404c | Christos Stavrakakis | |
170 | bad9404c | Christos Stavrakakis | |
171 | 9d1e6480 | Marios Kogias | def get_floating_ip_by_address(address, for_update=False): |
172 | 9d1e6480 | Marios Kogias | try:
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173 | 9d1e6480 | Marios Kogias | objects = IPAddress.objects |
174 | 9d1e6480 | Marios Kogias | if for_update:
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175 | 9d1e6480 | Marios Kogias | objects = objects.select_for_update() |
176 | 9d1e6480 | Marios Kogias | return objects.get(floating_ip=True, address=address, deleted=False) |
177 | 9d1e6480 | Marios Kogias | except IPAddress.DoesNotExist:
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178 | 9d1e6480 | Marios Kogias | raise CommandError("Floating IP does not exist.") |
179 | 9d1e6480 | Marios Kogias | |
180 | 9d1e6480 | Marios Kogias | |
181 | 79f4eec0 | Christos Stavrakakis | def get_floating_ip_by_id(floating_ip_id, for_update=False): |
182 | 79f4eec0 | Christos Stavrakakis | try:
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183 | 79f4eec0 | Christos Stavrakakis | objects = IPAddress.objects |
184 | 79f4eec0 | Christos Stavrakakis | if for_update:
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185 | 79f4eec0 | Christos Stavrakakis | objects = objects.select_for_update() |
186 | 79f4eec0 | Christos Stavrakakis | return objects.get(floating_ip=True, id=floating_ip_id, deleted=False) |
187 | 79f4eec0 | Christos Stavrakakis | except IPAddress.DoesNotExist:
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188 | 79f4eec0 | Christos Stavrakakis | raise CommandError("Floating IP does not exist.") |
189 | 79f4eec0 | Christos Stavrakakis | |
190 | 79f4eec0 | Christos Stavrakakis | |
191 | 2333a2c4 | Christos Stavrakakis | def check_backend_credentials(clustername, port, username, password): |
192 | 2333a2c4 | Christos Stavrakakis | try:
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193 | 2333a2c4 | Christos Stavrakakis | client = GanetiRapiClient(clustername, port, username, password) |
194 | 2333a2c4 | Christos Stavrakakis | # This command will raise an exception if there is no
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195 | 2333a2c4 | Christos Stavrakakis | # write-access
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196 | 2333a2c4 | Christos Stavrakakis | client.ModifyCluster() |
197 | 2333a2c4 | Christos Stavrakakis | except GanetiApiError as e: |
198 | 2333a2c4 | Christos Stavrakakis | raise CommandError(e)
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199 | 2333a2c4 | Christos Stavrakakis | |
200 | 2333a2c4 | Christos Stavrakakis | info = client.GetInfo() |
201 | 2333a2c4 | Christos Stavrakakis | info_name = info['name']
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202 | 2333a2c4 | Christos Stavrakakis | if info_name != clustername:
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203 | 2333a2c4 | Christos Stavrakakis | raise CommandError("Invalid clustername value. Please use the" |
204 | 2333a2c4 | Christos Stavrakakis | " Ganeti Cluster name: %s" % info_name)
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205 | 7a0aa449 | Christos Stavrakakis | |
206 | 7a0aa449 | Christos Stavrakakis | |
207 | c75ab92e | Christos Stavrakakis | def convert_api_faults(func): |
208 | c75ab92e | Christos Stavrakakis | @wraps(func)
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209 | c75ab92e | Christos Stavrakakis | def wrapper(*args, **kwargs): |
210 | c75ab92e | Christos Stavrakakis | try:
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211 | c75ab92e | Christos Stavrakakis | return func(*args, **kwargs)
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212 | c75ab92e | Christos Stavrakakis | except faults.Fault as e: |
213 | c75ab92e | Christos Stavrakakis | raise CommandError(e.message)
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214 | c75ab92e | Christos Stavrakakis | return wrapper
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215 | c75ab92e | Christos Stavrakakis | |
216 | c75ab92e | Christos Stavrakakis | |
217 | 4500650c | Stratos Psomadakis | class Omit(object): |
218 | 4500650c | Stratos Psomadakis | pass
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219 | 35f2fc07 | Christos Stavrakakis | |
220 | 35f2fc07 | Christos Stavrakakis | |
221 | 35f2fc07 | Christos Stavrakakis | def wait_server_task(server, wait, stdout): |
222 | 35f2fc07 | Christos Stavrakakis | jobID = server.task_job_id |
223 | 35f2fc07 | Christos Stavrakakis | if wait:
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224 | 35f2fc07 | Christos Stavrakakis | msg = "Issued job '%s'. Waiting to complete...\n"
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225 | 35f2fc07 | Christos Stavrakakis | stdout.write(msg % jobID) |
226 | 35f2fc07 | Christos Stavrakakis | client = server.get_client() |
227 | 35f2fc07 | Christos Stavrakakis | wait_ganeti_job(client, jobID, stdout) |
228 | 35f2fc07 | Christos Stavrakakis | else:
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229 | 35f2fc07 | Christos Stavrakakis | msg = "Issued job '%s'.\n"
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230 | 35f2fc07 | Christos Stavrakakis | stdout.write(msg % jobID) |
231 | 35f2fc07 | Christos Stavrakakis | |
232 | 35f2fc07 | Christos Stavrakakis | |
233 | 35f2fc07 | Christos Stavrakakis | def wait_ganeti_job(client, jobID, stdout): |
234 | 35f2fc07 | Christos Stavrakakis | status, error = backend_mod.wait_for_job(client, jobID) |
235 | 35f2fc07 | Christos Stavrakakis | if status == "success": |
236 | 35f2fc07 | Christos Stavrakakis | stdout.write("Job finished successfully.\n")
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237 | 35f2fc07 | Christos Stavrakakis | else:
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238 | 35f2fc07 | Christos Stavrakakis | raise CommandError("Job failed! Error: %s\n" % error) |
239 | b48697f0 | Christos Stavrakakis | |
240 | b48697f0 | Christos Stavrakakis | |
241 | b48697f0 | Christos Stavrakakis | def pool_table_from_type(type_): |
242 | b48697f0 | Christos Stavrakakis | if type_ == "mac-prefix": |
243 | b48697f0 | Christos Stavrakakis | return MacPrefixPoolTable
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244 | b48697f0 | Christos Stavrakakis | elif type_ == "bridge": |
245 | b48697f0 | Christos Stavrakakis | return BridgePoolTable
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246 | b48697f0 | Christos Stavrakakis | # elif type == "ip":
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247 | b48697f0 | Christos Stavrakakis | # return IPPoolTable
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248 | b48697f0 | Christos Stavrakakis | else:
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249 | b48697f0 | Christos Stavrakakis | raise ValueError("Invalid pool type") |