root / snf-cyclades-app / synnefo / management / common.py @ 35f2fc07
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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 | c75ab92e | Christos Stavrakakis | from functools import wraps |
37 | bad9404c | Christos Stavrakakis | |
38 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
39 | bcd80cd9 | Christos Stavrakakis | from synnefo.api import util |
40 | 35f2fc07 | Christos Stavrakakis | from synnefo.logic import backend as backend_mod |
41 | 2333a2c4 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
42 | 0252fb8b | Christos Stavrakakis | from synnefo.logic.utils import (id_from_instance_name, |
43 | 0252fb8b | Christos Stavrakakis | id_from_network_name) |
44 | 11300d7b | Giorgos Verigakis | |
45 | 8814e07c | Christos Stavrakakis | import logging |
46 | 8814e07c | Christos Stavrakakis | log = logging.getLogger(__name__) |
47 | 8814e07c | Christos Stavrakakis | |
48 | 11300d7b | Giorgos Verigakis | |
49 | f66d8b04 | Christos Stavrakakis | def format_vm_state(vm): |
50 | f66d8b04 | Christos Stavrakakis | if vm.operstate == "BUILD": |
51 | f66d8b04 | Christos Stavrakakis | return "BUILD(" + str(vm.buildpercentage) + "%)" |
52 | f66d8b04 | Christos Stavrakakis | else:
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53 | f66d8b04 | Christos Stavrakakis | return vm.operstate
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54 | 53b9ba10 | Christos Stavrakakis | |
55 | 53b9ba10 | Christos Stavrakakis | |
56 | b84ed662 | Christos Stavrakakis | def get_backend(backend_id): |
57 | b84ed662 | Christos Stavrakakis | try:
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58 | b84ed662 | Christos Stavrakakis | backend_id = int(backend_id)
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59 | b84ed662 | Christos Stavrakakis | return Backend.objects.get(id=backend_id)
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60 | b84ed662 | Christos Stavrakakis | except ValueError: |
61 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid Backend ID: %s" % backend_id) |
62 | b84ed662 | Christos Stavrakakis | except Backend.DoesNotExist:
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63 | b84ed662 | Christos Stavrakakis | raise CommandError("Backend with ID %s not found in DB. " |
64 | b84ed662 | Christos Stavrakakis | " Use snf-manage backend-list to find"
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65 | b84ed662 | Christos Stavrakakis | " out available backend IDs." % backend_id)
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66 | b84ed662 | Christos Stavrakakis | |
67 | b84ed662 | Christos Stavrakakis | |
68 | b84ed662 | Christos Stavrakakis | def get_image(image_id, user_id): |
69 | b84ed662 | Christos Stavrakakis | if image_id:
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70 | b84ed662 | Christos Stavrakakis | try:
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71 | bcd80cd9 | Christos Stavrakakis | return util.get_image_dict(image_id, user_id)
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72 | bd40abfa | Christos Stavrakakis | except faults.ItemNotFound:
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73 | b84ed662 | Christos Stavrakakis | raise CommandError("Image with ID %s not found." |
74 | b84ed662 | Christos Stavrakakis | " Use snf-manage image-list to find"
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75 | b84ed662 | Christos Stavrakakis | " out available image IDs." % image_id)
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76 | b84ed662 | Christos Stavrakakis | else:
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77 | b84ed662 | Christos Stavrakakis | raise CommandError("image-id is mandatory") |
78 | b84ed662 | Christos Stavrakakis | |
79 | b84ed662 | Christos Stavrakakis | |
80 | b84ed662 | Christos Stavrakakis | def get_vm(server_id): |
81 | 0252fb8b | Christos Stavrakakis | """Get a VirtualMachine object by its ID.
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82 | 0252fb8b | Christos Stavrakakis |
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83 | 0252fb8b | Christos Stavrakakis | @type server_id: int or string
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84 | 0252fb8b | Christos Stavrakakis | @param server_id: The server's DB id or the Ganeti name
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85 | 0252fb8b | Christos Stavrakakis |
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86 | 0252fb8b | Christos Stavrakakis | """
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87 | b84ed662 | Christos Stavrakakis | try:
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88 | b84ed662 | Christos Stavrakakis | server_id = int(server_id)
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89 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
90 | 0252fb8b | Christos Stavrakakis | try:
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91 | 0252fb8b | Christos Stavrakakis | server_id = id_from_instance_name(server_id) |
92 | 0252fb8b | Christos Stavrakakis | except VirtualMachine.InvalidBackendIdError:
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93 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid server ID: %s" % server_id) |
94 | 0252fb8b | Christos Stavrakakis | |
95 | 0252fb8b | Christos Stavrakakis | try:
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96 | b84ed662 | Christos Stavrakakis | return VirtualMachine.objects.get(id=server_id)
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97 | b84ed662 | Christos Stavrakakis | except VirtualMachine.DoesNotExist:
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98 | b84ed662 | Christos Stavrakakis | raise CommandError("Server with ID %s not found in DB." |
99 | b84ed662 | Christos Stavrakakis | " Use snf-manage server-list to find out"
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100 | b84ed662 | Christos Stavrakakis | " available server IDs." % server_id)
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101 | b84ed662 | Christos Stavrakakis | |
102 | b84ed662 | Christos Stavrakakis | |
103 | e57893cd | Christos Stavrakakis | def get_network(network_id, for_update=True): |
104 | 0252fb8b | Christos Stavrakakis | """Get a Network object by its ID.
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105 | 0252fb8b | Christos Stavrakakis |
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106 | 0252fb8b | Christos Stavrakakis | @type network_id: int or string
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107 | 0252fb8b | Christos Stavrakakis | @param network_id: The networks DB id or the Ganeti name
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108 | 0252fb8b | Christos Stavrakakis |
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109 | 0252fb8b | Christos Stavrakakis | """
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110 | 0252fb8b | Christos Stavrakakis | |
111 | b84ed662 | Christos Stavrakakis | try:
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112 | b84ed662 | Christos Stavrakakis | network_id = int(network_id)
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113 | 0252fb8b | Christos Stavrakakis | except (ValueError, TypeError): |
114 | 0252fb8b | Christos Stavrakakis | try:
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115 | 0252fb8b | Christos Stavrakakis | network_id = id_from_network_name(network_id) |
116 | 0252fb8b | Christos Stavrakakis | except Network.InvalidBackendIdError:
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117 | 0252fb8b | Christos Stavrakakis | raise CommandError("Invalid network ID: %s" % network_id) |
118 | 0252fb8b | Christos Stavrakakis | |
119 | e57893cd | Christos Stavrakakis | networks = Network.objects |
120 | e57893cd | Christos Stavrakakis | if for_update:
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121 | e57893cd | Christos Stavrakakis | networks = networks.select_for_update() |
122 | 0252fb8b | Christos Stavrakakis | try:
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123 | e57893cd | Christos Stavrakakis | return networks.get(id=network_id)
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124 | b84ed662 | Christos Stavrakakis | except Network.DoesNotExist:
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125 | b84ed662 | Christos Stavrakakis | raise CommandError("Network with ID %s not found in DB." |
126 | b84ed662 | Christos Stavrakakis | " Use snf-manage network-list to find out"
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127 | b84ed662 | Christos Stavrakakis | " available network IDs." % network_id)
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128 | b84ed662 | Christos Stavrakakis | |
129 | b84ed662 | Christos Stavrakakis | |
130 | b84ed662 | Christos Stavrakakis | def get_flavor(flavor_id): |
131 | b84ed662 | Christos Stavrakakis | try:
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132 | b84ed662 | Christos Stavrakakis | flavor_id = int(flavor_id)
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133 | b84ed662 | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id)
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134 | b84ed662 | Christos Stavrakakis | except ValueError: |
135 | b84ed662 | Christos Stavrakakis | raise CommandError("Invalid flavor ID: %s", flavor_id) |
136 | b84ed662 | Christos Stavrakakis | except Flavor.DoesNotExist:
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137 | b84ed662 | Christos Stavrakakis | raise CommandError("Flavor with ID %s not found in DB." |
138 | b84ed662 | Christos Stavrakakis | " Use snf-manage flavor-list to find out"
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139 | b84ed662 | Christos Stavrakakis | " available flavor IDs." % flavor_id)
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140 | bad9404c | Christos Stavrakakis | |
141 | bad9404c | Christos Stavrakakis | |
142 | 2333a2c4 | Christos Stavrakakis | def check_backend_credentials(clustername, port, username, password): |
143 | 2333a2c4 | Christos Stavrakakis | try:
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144 | 2333a2c4 | Christos Stavrakakis | client = GanetiRapiClient(clustername, port, username, password) |
145 | 2333a2c4 | Christos Stavrakakis | # This command will raise an exception if there is no
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146 | 2333a2c4 | Christos Stavrakakis | # write-access
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147 | 2333a2c4 | Christos Stavrakakis | client.ModifyCluster() |
148 | 2333a2c4 | Christos Stavrakakis | except GanetiApiError as e: |
149 | 2333a2c4 | Christos Stavrakakis | raise CommandError(e)
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150 | 2333a2c4 | Christos Stavrakakis | |
151 | 2333a2c4 | Christos Stavrakakis | info = client.GetInfo() |
152 | 2333a2c4 | Christos Stavrakakis | info_name = info['name']
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153 | 2333a2c4 | Christos Stavrakakis | if info_name != clustername:
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154 | 2333a2c4 | Christos Stavrakakis | raise CommandError("Invalid clustername value. Please use the" |
155 | 2333a2c4 | Christos Stavrakakis | " Ganeti Cluster name: %s" % info_name)
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156 | 7a0aa449 | Christos Stavrakakis | |
157 | 7a0aa449 | Christos Stavrakakis | |
158 | c75ab92e | Christos Stavrakakis | def convert_api_faults(func): |
159 | c75ab92e | Christos Stavrakakis | @wraps(func)
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160 | c75ab92e | Christos Stavrakakis | def wrapper(*args, **kwargs): |
161 | c75ab92e | Christos Stavrakakis | try:
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162 | c75ab92e | Christos Stavrakakis | return func(*args, **kwargs)
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163 | c75ab92e | Christos Stavrakakis | except faults.Fault as e: |
164 | c75ab92e | Christos Stavrakakis | raise CommandError(e.message)
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165 | c75ab92e | Christos Stavrakakis | return wrapper
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166 | c75ab92e | Christos Stavrakakis | |
167 | c75ab92e | Christos Stavrakakis | |
168 | 4500650c | Stratos Psomadakis | class Omit(object): |
169 | 4500650c | Stratos Psomadakis | pass
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170 | 35f2fc07 | Christos Stavrakakis | |
171 | 35f2fc07 | Christos Stavrakakis | |
172 | 35f2fc07 | Christos Stavrakakis | def wait_server_task(server, wait, stdout): |
173 | 35f2fc07 | Christos Stavrakakis | jobID = server.task_job_id |
174 | 35f2fc07 | Christos Stavrakakis | if wait:
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175 | 35f2fc07 | Christos Stavrakakis | msg = "Issued job '%s'. Waiting to complete...\n"
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176 | 35f2fc07 | Christos Stavrakakis | stdout.write(msg % jobID) |
177 | 35f2fc07 | Christos Stavrakakis | client = server.get_client() |
178 | 35f2fc07 | Christos Stavrakakis | wait_ganeti_job(client, jobID, stdout) |
179 | 35f2fc07 | Christos Stavrakakis | else:
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180 | 35f2fc07 | Christos Stavrakakis | msg = "Issued job '%s'.\n"
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181 | 35f2fc07 | Christos Stavrakakis | stdout.write(msg % jobID) |
182 | 35f2fc07 | Christos Stavrakakis | |
183 | 35f2fc07 | Christos Stavrakakis | |
184 | 35f2fc07 | Christos Stavrakakis | def wait_ganeti_job(client, jobID, stdout): |
185 | 35f2fc07 | Christos Stavrakakis | status, error = backend_mod.wait_for_job(client, jobID) |
186 | 35f2fc07 | Christos Stavrakakis | if status == "success": |
187 | 35f2fc07 | Christos Stavrakakis | stdout.write("Job finished successfully.\n")
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188 | 35f2fc07 | Christos Stavrakakis | else:
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189 | 35f2fc07 | Christos Stavrakakis | raise CommandError("Job failed! Error: %s\n" % error) |