root / snf-cyclades-app / synnefo / management / common.py @ 0252fb8b
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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 | b84ed662 | Christos Stavrakakis | from synnefo.api.util import get_image as backend_get_image |
37 | 9ae613af | Christos Stavrakakis | from synnefo.api.faults import ItemNotFound, BadRequest, OverLimit |
38 | bad9404c | Christos Stavrakakis | |
39 | 9ae613af | Christos Stavrakakis | from synnefo.api.util import validate_network_params |
40 | 9ae613af | Christos Stavrakakis | from synnefo.settings import (CYCLADES_ASTAKOS_SERVICE_TOKEN as ASTAKOS_TOKEN, |
41 | f1ffc695 | Stratos Psomadakis | ASTAKOS_URL) |
42 | 2333a2c4 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
43 | 0252fb8b | Christos Stavrakakis | from synnefo.logic.utils import (id_from_instance_name, |
44 | 0252fb8b | Christos Stavrakakis | id_from_network_name) |
45 | 3170076a | Stratos Psomadakis | from synnefo.lib import astakos |
46 | 11300d7b | Giorgos Verigakis | |
47 | 8814e07c | Christos Stavrakakis | import logging |
48 | 8814e07c | Christos Stavrakakis | log = logging.getLogger(__name__) |
49 | 8814e07c | Christos Stavrakakis | |
50 | 11300d7b | Giorgos Verigakis | |
51 | f66d8b04 | Christos Stavrakakis | def format_vm_state(vm): |
52 | f66d8b04 | Christos Stavrakakis | if vm.operstate == "BUILD": |
53 | f66d8b04 | Christos Stavrakakis | return "BUILD(" + str(vm.buildpercentage) + "%)" |
54 | f66d8b04 | Christos Stavrakakis | else:
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55 | f66d8b04 | Christos Stavrakakis | return vm.operstate
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56 | 53b9ba10 | Christos Stavrakakis | |
57 | 53b9ba10 | Christos Stavrakakis | |
58 | 53b9ba10 | Christos Stavrakakis | def validate_network_info(options): |
59 | 53b9ba10 | Christos Stavrakakis | subnet = options['subnet']
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60 | 53b9ba10 | Christos Stavrakakis | gateway = options['gateway']
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61 | 53b9ba10 | Christos Stavrakakis | subnet6 = options['subnet6']
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62 | 53b9ba10 | Christos Stavrakakis | gateway6 = options['gateway6']
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63 | 53b9ba10 | Christos Stavrakakis | |
64 | 53b9ba10 | Christos Stavrakakis | try:
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65 | 9ae613af | Christos Stavrakakis | validate_network_params(subnet, gateway) |
66 | 9ae613af | Christos Stavrakakis | except (BadRequest, OverLimit) as e: |
67 | 9ae613af | Christos Stavrakakis | raise CommandError(e)
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68 | 53b9ba10 | Christos Stavrakakis | |
69 | 53b9ba10 | Christos Stavrakakis | return subnet, gateway, subnet6, gateway6
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70 | b84ed662 | Christos Stavrakakis | |
71 | b84ed662 | Christos Stavrakakis | |
72 | b84ed662 | Christos Stavrakakis | def get_backend(backend_id): |
73 | b84ed662 | Christos Stavrakakis | try:
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74 | b84ed662 | Christos Stavrakakis | backend_id = int(backend_id)
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75 | b84ed662 | Christos Stavrakakis | return Backend.objects.get(id=backend_id)
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76 | b84ed662 | Christos Stavrakakis | except ValueError: |
77 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid Backend ID: %s" % backend_id) |
78 | b84ed662 | Christos Stavrakakis | except Backend.DoesNotExist:
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79 | b84ed662 | Christos Stavrakakis | raise CommandError("Backend with ID %s not found in DB. " |
80 | b84ed662 | Christos Stavrakakis | " Use snf-manage backend-list to find"
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81 | b84ed662 | Christos Stavrakakis | " out available backend IDs." % backend_id)
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82 | b84ed662 | Christos Stavrakakis | |
83 | b84ed662 | Christos Stavrakakis | |
84 | b84ed662 | Christos Stavrakakis | def get_image(image_id, user_id): |
85 | b84ed662 | Christos Stavrakakis | if image_id:
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86 | b84ed662 | Christos Stavrakakis | try:
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87 | b84ed662 | Christos Stavrakakis | return backend_get_image(image_id, user_id)
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88 | b84ed662 | Christos Stavrakakis | except ItemNotFound:
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89 | b84ed662 | Christos Stavrakakis | raise CommandError("Image with ID %s not found." |
90 | b84ed662 | Christos Stavrakakis | " Use snf-manage image-list to find"
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91 | b84ed662 | Christos Stavrakakis | " out available image IDs." % image_id)
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92 | b84ed662 | Christos Stavrakakis | else:
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93 | b84ed662 | Christos Stavrakakis | raise CommandError("image-id is mandatory") |
94 | b84ed662 | Christos Stavrakakis | |
95 | b84ed662 | Christos Stavrakakis | |
96 | b84ed662 | Christos Stavrakakis | def get_vm(server_id): |
97 | 0252fb8b | Christos Stavrakakis | """Get a VirtualMachine object by its ID.
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98 | 0252fb8b | Christos Stavrakakis |
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99 | 0252fb8b | Christos Stavrakakis | @type server_id: int or string
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100 | 0252fb8b | Christos Stavrakakis | @param server_id: The server's DB id or the Ganeti name
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101 | 0252fb8b | Christos Stavrakakis |
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102 | 0252fb8b | Christos Stavrakakis | """
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103 | b84ed662 | Christos Stavrakakis | try:
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104 | b84ed662 | Christos Stavrakakis | server_id = int(server_id)
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105 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
106 | 0252fb8b | Christos Stavrakakis | try:
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107 | 0252fb8b | Christos Stavrakakis | server_id = id_from_instance_name(server_id) |
108 | 0252fb8b | Christos Stavrakakis | except VirtualMachine.InvalidBackendIdError:
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109 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid server ID: %s" % server_id) |
110 | 0252fb8b | Christos Stavrakakis | |
111 | 0252fb8b | Christos Stavrakakis | try:
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112 | b84ed662 | Christos Stavrakakis | return VirtualMachine.objects.get(id=server_id)
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113 | b84ed662 | Christos Stavrakakis | except VirtualMachine.DoesNotExist:
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114 | b84ed662 | Christos Stavrakakis | raise CommandError("Server with ID %s not found in DB." |
115 | b84ed662 | Christos Stavrakakis | " Use snf-manage server-list to find out"
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116 | b84ed662 | Christos Stavrakakis | " available server IDs." % server_id)
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117 | b84ed662 | Christos Stavrakakis | |
118 | b84ed662 | Christos Stavrakakis | |
119 | b84ed662 | Christos Stavrakakis | def get_network(network_id): |
120 | 0252fb8b | Christos Stavrakakis | """Get a Network object by its ID.
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121 | 0252fb8b | Christos Stavrakakis |
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122 | 0252fb8b | Christos Stavrakakis | @type network_id: int or string
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123 | 0252fb8b | Christos Stavrakakis | @param network_id: The networks DB id or the Ganeti name
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124 | 0252fb8b | Christos Stavrakakis |
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125 | 0252fb8b | Christos Stavrakakis | """
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126 | 0252fb8b | Christos Stavrakakis | |
127 | b84ed662 | Christos Stavrakakis | try:
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128 | b84ed662 | Christos Stavrakakis | network_id = int(network_id)
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129 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
130 | 0252fb8b | Christos Stavrakakis | try:
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131 | 0252fb8b | Christos Stavrakakis | network_id = id_from_network_name(network_id) |
132 | 0252fb8b | Christos Stavrakakis | except Network.InvalidBackendIdError:
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133 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid network ID: %s" % network_id) |
134 | 0252fb8b | Christos Stavrakakis | |
135 | 0252fb8b | Christos Stavrakakis | try:
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136 | b84ed662 | Christos Stavrakakis | return Network.objects.get(id=network_id)
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137 | b84ed662 | Christos Stavrakakis | except Network.DoesNotExist:
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138 | b84ed662 | Christos Stavrakakis | raise CommandError("Network with ID %s not found in DB." |
139 | b84ed662 | Christos Stavrakakis | " Use snf-manage network-list to find out"
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140 | b84ed662 | Christos Stavrakakis | " available network IDs." % network_id)
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141 | b84ed662 | Christos Stavrakakis | |
142 | b84ed662 | Christos Stavrakakis | |
143 | b84ed662 | Christos Stavrakakis | def get_flavor(flavor_id): |
144 | b84ed662 | Christos Stavrakakis | try:
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145 | b84ed662 | Christos Stavrakakis | flavor_id = int(flavor_id)
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146 | b84ed662 | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id)
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147 | b84ed662 | Christos Stavrakakis | except ValueError: |
148 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid flavor ID: %s", flavor_id) |
149 | b84ed662 | Christos Stavrakakis | except Flavor.DoesNotExist:
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150 | b84ed662 | Christos Stavrakakis | raise CommandError("Flavor with ID %s not found in DB." |
151 | b84ed662 | Christos Stavrakakis | " Use snf-manage flavor-list to find out"
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152 | b84ed662 | Christos Stavrakakis | " available flavor IDs." % flavor_id)
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153 | bad9404c | Christos Stavrakakis | |
154 | bad9404c | Christos Stavrakakis | |
155 | 2333a2c4 | Christos Stavrakakis | def check_backend_credentials(clustername, port, username, password): |
156 | 2333a2c4 | Christos Stavrakakis | try:
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157 | 2333a2c4 | Christos Stavrakakis | client = GanetiRapiClient(clustername, port, username, password) |
158 | 2333a2c4 | Christos Stavrakakis | # This command will raise an exception if there is no
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159 | 2333a2c4 | Christos Stavrakakis | # write-access
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160 | 2333a2c4 | Christos Stavrakakis | client.ModifyCluster() |
161 | 2333a2c4 | Christos Stavrakakis | except GanetiApiError as e: |
162 | 2333a2c4 | Christos Stavrakakis | raise CommandError(e)
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163 | 2333a2c4 | Christos Stavrakakis | |
164 | 2333a2c4 | Christos Stavrakakis | info = client.GetInfo() |
165 | 2333a2c4 | Christos Stavrakakis | info_name = info['name']
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166 | 2333a2c4 | Christos Stavrakakis | if info_name != clustername:
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167 | 2333a2c4 | Christos Stavrakakis | raise CommandError("Invalid clustername value. Please use the" |
168 | 2333a2c4 | Christos Stavrakakis | " Ganeti Cluster name: %s" % info_name)
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169 | 7a0aa449 | Christos Stavrakakis | |
170 | 7a0aa449 | Christos Stavrakakis | |
171 | 8283d6c1 | Stratos Psomadakis | class UserCache(object): |
172 | 8283d6c1 | Stratos Psomadakis | """uuid<->displayname user 'cache'"""
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173 | 3fa01ebd | Stratos Psomadakis | |
174 | f1ffc695 | Stratos Psomadakis | user_catalogs_url = ASTAKOS_URL.replace("im/authenticate",
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175 | f1ffc695 | Stratos Psomadakis | "service/api/user_catalogs")
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176 | f1ffc695 | Stratos Psomadakis | |
177 | 8283d6c1 | Stratos Psomadakis | def __init__(self, split=100): |
178 | 3170076a | Stratos Psomadakis | self.users = {}
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179 | 3170076a | Stratos Psomadakis | |
180 | 8283d6c1 | Stratos Psomadakis | self.split = split
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181 | 8283d6c1 | Stratos Psomadakis | assert(self.split > 0), "split must be positive" |
182 | 8283d6c1 | Stratos Psomadakis | |
183 | 8283d6c1 | Stratos Psomadakis | def fetch_names(self, uuid_list): |
184 | d443e1dd | Stratos Psomadakis | total = len(uuid_list)
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185 | d443e1dd | Stratos Psomadakis | split = self.split
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186 | 8283d6c1 | Stratos Psomadakis | |
187 | d443e1dd | Stratos Psomadakis | for start in range(0, total, split): |
188 | d443e1dd | Stratos Psomadakis | end = start + split |
189 | 8283d6c1 | Stratos Psomadakis | try:
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190 | 8283d6c1 | Stratos Psomadakis | names = \ |
191 | 8283d6c1 | Stratos Psomadakis | astakos.get_displaynames(token=ASTAKOS_TOKEN, |
192 | 8283d6c1 | Stratos Psomadakis | url=UserCache.user_catalogs_url, |
193 | 8283d6c1 | Stratos Psomadakis | uuids=uuid_list[start:end]) |
194 | 8283d6c1 | Stratos Psomadakis | self.users.update(names)
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195 | 8283d6c1 | Stratos Psomadakis | except Exception as e: |
196 | 8283d6c1 | Stratos Psomadakis | log.error("Failed to fetch names: %s", e)
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197 | 8283d6c1 | Stratos Psomadakis | |
198 | 8283d6c1 | Stratos Psomadakis | def get_uuid(self, name): |
199 | 8283d6c1 | Stratos Psomadakis | if not name in self.users: |
200 | 8283d6c1 | Stratos Psomadakis | try:
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201 | 8283d6c1 | Stratos Psomadakis | self.users[name] = \
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202 | 8283d6c1 | Stratos Psomadakis | astakos.get_user_uuid(token=ASTAKOS_TOKEN, |
203 | 8283d6c1 | Stratos Psomadakis | url=UserCache.user_catalogs_url, |
204 | 8283d6c1 | Stratos Psomadakis | displayname=name) |
205 | 8283d6c1 | Stratos Psomadakis | except Exception as e: |
206 | 8283d6c1 | Stratos Psomadakis | log.error("Can not get uuid for name %s: %s", name, e)
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207 | 8283d6c1 | Stratos Psomadakis | self.users[name] = name
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208 | 8283d6c1 | Stratos Psomadakis | |
209 | 8283d6c1 | Stratos Psomadakis | return self.users[name] |
210 | 8283d6c1 | Stratos Psomadakis | |
211 | 8283d6c1 | Stratos Psomadakis | def get_name(self, uuid): |
212 | 8814e07c | Christos Stavrakakis | """Do the uuid-to-email resolving"""
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213 | 3fa01ebd | Stratos Psomadakis | |
214 | 3170076a | Stratos Psomadakis | if not uuid in self.users: |
215 | 3fa01ebd | Stratos Psomadakis | try:
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216 | f1ffc695 | Stratos Psomadakis | self.users[uuid] = \
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217 | 8814e07c | Christos Stavrakakis | astakos.get_displayname(token=ASTAKOS_TOKEN, |
218 | 8283d6c1 | Stratos Psomadakis | url=UserCache.user_catalogs_url, |
219 | 8814e07c | Christos Stavrakakis | uuid=uuid) |
220 | 8814e07c | Christos Stavrakakis | except Exception as e: |
221 | 8814e07c | Christos Stavrakakis | log.error("Can not get display name for uuid %s: %s", uuid, e)
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222 | 4500650c | Stratos Psomadakis | self.users[uuid] = "-" |
223 | 3170076a | Stratos Psomadakis | |
224 | 3170076a | Stratos Psomadakis | return self.users[uuid] |
225 | 4500650c | Stratos Psomadakis | |
226 | 4500650c | Stratos Psomadakis | |
227 | 4500650c | Stratos Psomadakis | class Omit(object): |
228 | 4500650c | Stratos Psomadakis | pass |