root / snf-cyclades-app / synnefo / logic / backend.py @ 0827883e
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1 | adee02b8 | Giorgos Verigakis | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | 37ca953f | Christodoulos Psaltis | #
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3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | adee02b8 | Giorgos Verigakis | # conditions are met:
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6 | 37ca953f | Christodoulos Psaltis | #
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7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | adee02b8 | Giorgos Verigakis | # disclaimer.
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10 | 37ca953f | Christodoulos Psaltis | #
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11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
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15 | 37ca953f | Christodoulos Psaltis | #
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16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 37ca953f | Christodoulos Psaltis | #
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29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | 02feca11 | Vassilios Karakoidas | |
34 | 2b1db26f | Giorgos Verigakis | import json |
35 | 2b1db26f | Giorgos Verigakis | |
36 | 2035039b | Giorgos Verigakis | from logging import getLogger |
37 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
38 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
39 | 1a894bfe | Christos Stavrakakis | from datetime import datetime |
40 | 207b70d5 | Giorgos Verigakis | |
41 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
42 | 22ee6892 | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES) |
43 | 864bed43 | Christos Stavrakakis | from synnefo.logic import utils, ippool |
44 | 8a4a931d | Christos Stavrakakis | from synnefo.api.faults import OverLimit |
45 | 529178b1 | Giorgos Verigakis | from synnefo.util.rapi import GanetiRapiClient |
46 | 529178b1 | Giorgos Verigakis | |
47 | 9e98ba3c | Giorgos Verigakis | log = getLogger('synnefo.logic')
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48 | 9e98ba3c | Giorgos Verigakis | |
49 | 529178b1 | Giorgos Verigakis | |
50 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
51 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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52 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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53 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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54 | efff6193 | Giorgos Verigakis | |
55 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
56 | efff6193 | Giorgos Verigakis | |
57 | 02feca11 | Vassilios Karakoidas | |
58 | 924d8085 | Christos Stavrakakis | def create_client(hostname, port=5080, username=None, password=None): |
59 | 1a894bfe | Christos Stavrakakis | return GanetiRapiClient(hostname, port, username, password)
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60 | 924d8085 | Christos Stavrakakis | |
61 | 22ee6892 | Christos Stavrakakis | |
62 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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63 | c4e55622 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg): |
64 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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65 | 02feca11 | Vassilios Karakoidas |
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66 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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67 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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68 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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69 | 02feca11 | Vassilios Karakoidas |
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70 | 02feca11 | Vassilios Karakoidas | """
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71 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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72 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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73 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
74 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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75 | 02feca11 | Vassilios Karakoidas | |
76 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
77 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
78 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
79 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
80 | 02feca11 | Vassilios Karakoidas | |
81 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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82 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
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83 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
84 | 41303ed0 | Vangelis Koukis | utils.update_state(vm, state_for_success) |
85 | 41303ed0 | Vangelis Koukis | # Set the deleted flag explicitly, cater for admin-initiated removals
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86 | 685b219e | Vangelis Koukis | if opcode == 'OP_INSTANCE_REMOVE': |
87 | bd392934 | Christos Stavrakakis | release_instance_nics(vm) |
88 | 685b219e | Vangelis Koukis | vm.deleted = True
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89 | 9c21a2e2 | Christos Stavrakakis | vm.nics.all().delete() |
90 | 685b219e | Vangelis Koukis | |
91 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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92 | 91954b45 | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_INSTANCE_CREATE': |
93 | 234f8b07 | Vangelis Koukis | utils.update_state(vm, 'ERROR')
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94 | 093f9c53 | Vangelis Koukis | |
95 | 093f9c53 | Vangelis Koukis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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96 | 093f9c53 | Vangelis Koukis | # when no instance exists at the Ganeti backend.
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97 | 093f9c53 | Vangelis Koukis | # See ticket #799 for all the details.
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98 | 093f9c53 | Vangelis Koukis | #
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99 | 788a54be | Christos Stavrakakis | if (status == 'error' and opcode == 'OP_INSTANCE_REMOVE'): |
100 | 093f9c53 | Vangelis Koukis | vm.deleted = True
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101 | 9c21a2e2 | Christos Stavrakakis | vm.nics.all().delete() |
102 | 093f9c53 | Vangelis Koukis | |
103 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
104 | 02feca11 | Vassilios Karakoidas | # Any other notification of failure leaves the operating state unchanged
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105 | 02feca11 | Vassilios Karakoidas | |
106 | 02feca11 | Vassilios Karakoidas | vm.save() |
107 | 22e52ede | Vassilios Karakoidas | |
108 | ad2d6807 | Vangelis Koukis | |
109 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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110 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
111 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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112 | ad2d6807 | Vangelis Koukis |
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113 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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114 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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115 | ad2d6807 | Vangelis Koukis |
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116 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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117 | ad2d6807 | Vangelis Koukis | """
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118 | 37ca953f | Christodoulos Psaltis | |
119 | bd392934 | Christos Stavrakakis | # Release the ips of the old nics. Get back the networks as multiple
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120 | bd392934 | Christos Stavrakakis | # changes in the same network, must happen in the same Network object,
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121 | bd392934 | Christos Stavrakakis | # because transaction will be commited only on exit of the function.
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122 | bd392934 | Christos Stavrakakis | networks = release_instance_nics(vm) |
123 | 77f0fa63 | Christos Stavrakakis | |
124 | bd392934 | Christos Stavrakakis | new_nics = enumerate(nics)
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125 | 77f0fa63 | Christos Stavrakakis | for i, new_nic in new_nics: |
126 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
127 | 22ee6892 | Christos Stavrakakis | n = str(network)
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128 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
129 | 77f0fa63 | Christos Stavrakakis | |
130 | 77f0fa63 | Christos Stavrakakis | # Get the cached Network or get it from DB
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131 | 77f0fa63 | Christos Stavrakakis | if pk in networks: |
132 | 77f0fa63 | Christos Stavrakakis | net = networks[pk] |
133 | 64938cb0 | Giorgos Verigakis | else:
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134 | 864bed43 | Christos Stavrakakis | net = Network.objects.select_for_update().get(pk=pk) |
135 | 77f0fa63 | Christos Stavrakakis | |
136 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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137 | 77f0fa63 | Christos Stavrakakis | mac = new_nic.get('mac', '') |
138 | 77f0fa63 | Christos Stavrakakis | ipv4 = new_nic.get('ip', '') |
139 | 77f0fa63 | Christos Stavrakakis | ipv6 = new_nic.get('ipv6', '') |
140 | 9afeb669 | Kostas Papadimitriou | |
141 | 77f0fa63 | Christos Stavrakakis | firewall = new_nic.get('firewall', '') |
142 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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143 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
144 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
145 | 9afeb669 | Kostas Papadimitriou | |
146 | 77f0fa63 | Christos Stavrakakis | if ipv4:
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147 | 77f0fa63 | Christos Stavrakakis | net.reserve_address(ipv4) |
148 | 77f0fa63 | Christos Stavrakakis | |
149 | 64938cb0 | Giorgos Verigakis | vm.nics.create( |
150 | 64938cb0 | Giorgos Verigakis | network=net, |
151 | 64938cb0 | Giorgos Verigakis | index=i, |
152 | 77f0fa63 | Christos Stavrakakis | mac=mac, |
153 | 77f0fa63 | Christos Stavrakakis | ipv4=ipv4, |
154 | 77f0fa63 | Christos Stavrakakis | ipv6=ipv6, |
155 | 0196d9a3 | Christos Stavrakakis | firewall_profile=firewall_profile, |
156 | 0196d9a3 | Christos Stavrakakis | dirty=False)
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157 | 9afeb669 | Kostas Papadimitriou | |
158 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
159 | ad2d6807 | Vangelis Koukis | vm.save() |
160 | 22ee6892 | Christos Stavrakakis | |
161 | 22ee6892 | Christos Stavrakakis | |
162 | bd392934 | Christos Stavrakakis | def release_instance_nics(vm): |
163 | bd392934 | Christos Stavrakakis | networks = {} |
164 | bd392934 | Christos Stavrakakis | |
165 | bd392934 | Christos Stavrakakis | for nic in vm.nics.all(): |
166 | bd392934 | Christos Stavrakakis | pk = nic.network.pk |
167 | bd392934 | Christos Stavrakakis | # Get the cached Network or get it from DB
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168 | bd392934 | Christos Stavrakakis | if pk in networks: |
169 | bd392934 | Christos Stavrakakis | net = networks[pk] |
170 | bd392934 | Christos Stavrakakis | else:
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171 | bd392934 | Christos Stavrakakis | # Get the network object in exclusive mode in order
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172 | bd392934 | Christos Stavrakakis | # to guarantee consistency of the address pool
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173 | bd392934 | Christos Stavrakakis | net = Network.objects.select_for_update().get(pk=pk) |
174 | 2b36eda5 | Christos Stavrakakis | if nic.ipv4:
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175 | 2b36eda5 | Christos Stavrakakis | net.release_address(nic.ipv4) |
176 | bd392934 | Christos Stavrakakis | nic.delete() |
177 | bd392934 | Christos Stavrakakis | |
178 | bd392934 | Christos Stavrakakis | return networks
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179 | bd392934 | Christos Stavrakakis | |
180 | bd392934 | Christos Stavrakakis | |
181 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
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182 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
183 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
184 | 22ee6892 | Christos Stavrakakis | return
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185 | 22ee6892 | Christos Stavrakakis | #raise Network.InvalidBackendMsgError(opcode, status)
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186 | 22ee6892 | Christos Stavrakakis | |
187 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
188 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
189 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
190 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
191 | 22ee6892 | Christos Stavrakakis | |
192 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
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193 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
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194 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
195 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
196 | 22ee6892 | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
197 | 22ee6892 | Christos Stavrakakis | back_network.deleted = True
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198 | 22ee6892 | Christos Stavrakakis | |
199 | 9c65f166 | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_CREATE': |
200 | 22ee6892 | Christos Stavrakakis | utils.update_state(back_network, 'ERROR')
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201 | 22ee6892 | Christos Stavrakakis | |
202 | 9c65f166 | Christos Stavrakakis | if (status == 'error' and opcode == 'OP_NETWORK_REMOVE'): |
203 | 22ee6892 | Christos Stavrakakis | back_network.deleted = True
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204 | 22ee6892 | Christos Stavrakakis | back_network.operstate = 'DELETED'
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205 | 22ee6892 | Christos Stavrakakis | |
206 | 22ee6892 | Christos Stavrakakis | back_network.save() |
207 | ad2d6807 | Vangelis Koukis | |
208 | c25cc9ec | Vangelis Koukis | |
209 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
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210 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
211 | 9068cd85 | Georgios Gousios | |
212 | 0827883e | Nikos Skalkotos | percentage = int(progress)
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213 | 9068cd85 | Georgios Gousios | |
214 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
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215 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
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216 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
217 | af90d919 | Vangelis Koukis | if percentage < 0: |
218 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
219 | 9068cd85 | Georgios Gousios | |
220 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
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221 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
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222 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
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223 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
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224 | 9068cd85 | Georgios Gousios | |
225 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
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226 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
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227 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
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228 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
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229 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
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230 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
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231 | c25cc9ec | Vangelis Koukis | #
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232 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
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233 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
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234 | 9068cd85 | Georgios Gousios | |
235 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
236 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
237 | 9068cd85 | Georgios Gousios | vm.save() |
238 | ad2d6807 | Vangelis Koukis | |
239 | c25cc9ec | Vangelis Koukis | |
240 | 22e52ede | Vassilios Karakoidas | def start_action(vm, action): |
241 | 22e52ede | Vassilios Karakoidas | """Update the state of a VM when a new action is initiated."""
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242 | 22e52ede | Vassilios Karakoidas | if not action in [x[0] for x in VirtualMachine.ACTIONS]: |
243 | 22e52ede | Vassilios Karakoidas | raise VirtualMachine.InvalidActionError(action)
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244 | 22e52ede | Vassilios Karakoidas | |
245 | 22e52ede | Vassilios Karakoidas | # No actions to deleted and no actions beside destroy to suspended VMs
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246 | 22e52ede | Vassilios Karakoidas | if vm.deleted:
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247 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.DeletedError
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248 | 37ca953f | Christodoulos Psaltis | |
249 | 30f3b5e5 | Vangelis Koukis | # No actions to machines being built. They may be destroyed, however.
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250 | 30f3b5e5 | Vangelis Koukis | if vm.operstate == 'BUILD' and action != 'DESTROY': |
251 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.BuildingError
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252 | 37ca953f | Christodoulos Psaltis | |
253 | dfd19c2d | Vassilios Karakoidas | vm.action = action |
254 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = None
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255 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = None
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256 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = None
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257 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = None
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258 | 22e52ede | Vassilios Karakoidas | |
259 | f90c3d8c | Vangelis Koukis | # Update the relevant flags if the VM is being suspended or destroyed.
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260 | f90c3d8c | Vangelis Koukis | # Do not set the deleted flag here, see ticket #721.
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261 | f90c3d8c | Vangelis Koukis | #
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262 | f90c3d8c | Vangelis Koukis | # The deleted flag is set asynchronously, when an OP_INSTANCE_REMOVE
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263 | f90c3d8c | Vangelis Koukis | # completes successfully. Hence, a server may be visible for some time
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264 | f90c3d8c | Vangelis Koukis | # after a DELETE /servers/id returns HTTP 204.
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265 | f90c3d8c | Vangelis Koukis | #
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266 | 22e52ede | Vassilios Karakoidas | if action == "DESTROY": |
267 | f90c3d8c | Vangelis Koukis | # vm.deleted = True
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268 | f90c3d8c | Vangelis Koukis | pass
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269 | 22e52ede | Vassilios Karakoidas | elif action == "SUSPEND": |
270 | 22e52ede | Vassilios Karakoidas | vm.suspended = True
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271 | 22e52ede | Vassilios Karakoidas | elif action == "START": |
272 | 22e52ede | Vassilios Karakoidas | vm.suspended = False
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273 | 22e52ede | Vassilios Karakoidas | vm.save() |
274 | 529178b1 | Giorgos Verigakis | |
275 | ad2d6807 | Vangelis Koukis | |
276 | 967d3f83 | Christos Stavrakakis | @transaction.commit_on_success
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277 | 2b1db26f | Giorgos Verigakis | def create_instance(vm, flavor, image, password, personality): |
278 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
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279 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
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280 | 7f691719 | Christos Stavrakakis |
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281 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
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282 | 3a9b3cde | Giorgos Verigakis | """
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283 | 864bed43 | Christos Stavrakakis | |
284 | ad297723 | Christos Stavrakakis | if settings.PUBLIC_ROUTED_USE_POOL:
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285 | ad297723 | Christos Stavrakakis | # Get the Network object in exclusive mode in order to
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286 | ad297723 | Christos Stavrakakis | # safely (isolated) reserve an IP address
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287 | aeb523a4 | Christos Stavrakakis | try:
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288 | aeb523a4 | Christos Stavrakakis | network = Network.objects.select_for_update().get(public=True)
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289 | aeb523a4 | Christos Stavrakakis | except Network.DoesNotExist:
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290 | aeb523a4 | Christos Stavrakakis | raise Exception('No public network available') |
291 | ad297723 | Christos Stavrakakis | pool = ippool.IPPool(network) |
292 | ad297723 | Christos Stavrakakis | try:
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293 | ad297723 | Christos Stavrakakis | address = pool.get_free_address() |
294 | ad297723 | Christos Stavrakakis | except ippool.IPPool.IPPoolExhausted:
|
295 | ad297723 | Christos Stavrakakis | raise OverLimit("Can not allocate IP for new machine." |
296 | ad297723 | Christos Stavrakakis | " Public network is full.")
|
297 | ad297723 | Christos Stavrakakis | pool.save() |
298 | ad297723 | Christos Stavrakakis | nic = {'ip': address, 'network': settings.GANETI_PUBLIC_NETWORK} |
299 | ad297723 | Christos Stavrakakis | else:
|
300 | ad297723 | Christos Stavrakakis | nic = {'ip': 'pool', 'network': settings.GANETI_PUBLIC_NETWORK} |
301 | 61868190 | Vangelis Koukis | |
302 | 61868190 | Vangelis Koukis | if settings.IGNORE_FLAVOR_DISK_SIZES:
|
303 | 3a9b3cde | Giorgos Verigakis | if image['backend_id'].find("windows") >= 0: |
304 | 61868190 | Vangelis Koukis | sz = 14000
|
305 | 61868190 | Vangelis Koukis | else:
|
306 | 61868190 | Vangelis Koukis | sz = 4000
|
307 | cf0e4232 | Vangelis Koukis | else:
|
308 | 61868190 | Vangelis Koukis | sz = flavor.disk * 1024
|
309 | 37ca953f | Christodoulos Psaltis | |
310 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
311 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
312 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
313 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
314 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
315 | 1c382247 | Vangelis Koukis | #
|
316 | 1c382247 | Vangelis Koukis | kw = settings.GANETI_CREATEINSTANCE_KWARGS |
317 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
318 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
319 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
320 | 296682fe | Kostas Papadimitriou | |
321 | 296682fe | Kostas Papadimitriou | # Identify if provider parameter should be set in disk options.
|
322 | 296682fe | Kostas Papadimitriou | # Current implementation support providers only fo ext template.
|
323 | 296682fe | Kostas Papadimitriou | # To select specific provider for an ext template, template name
|
324 | 296682fe | Kostas Papadimitriou | # should be formated as `ext_<provider_name>`.
|
325 | 296682fe | Kostas Papadimitriou | provider = None
|
326 | 296682fe | Kostas Papadimitriou | disk_template = flavor.disk_template |
327 | 296682fe | Kostas Papadimitriou | if flavor.disk_template.startswith("ext"): |
328 | 296682fe | Kostas Papadimitriou | disk_template, provider = flavor.disk_template.split("_", 1) |
329 | 296682fe | Kostas Papadimitriou | |
330 | 296682fe | Kostas Papadimitriou | kw['disk_template'] = disk_template
|
331 | 1c382247 | Vangelis Koukis | kw['disks'] = [{"size": sz}] |
332 | 296682fe | Kostas Papadimitriou | if provider:
|
333 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
334 | 296682fe | Kostas Papadimitriou | |
335 | 296682fe | Kostas Papadimitriou | |
336 | 1c382247 | Vangelis Koukis | kw['nics'] = [nic]
|
337 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
338 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
339 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
340 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
341 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
342 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
343 | 1c382247 | Vangelis Koukis | #
|
344 | 1c382247 | Vangelis Koukis | # kw['pnode']=rapi.GetNodes()[0]
|
345 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
346 | 41303ed0 | Vangelis Koukis | |
347 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
348 | 2b1db26f | Giorgos Verigakis | 'auto_balance': True, |
349 | 2b1db26f | Giorgos Verigakis | 'vcpus': flavor.cpu,
|
350 | 2b1db26f | Giorgos Verigakis | 'memory': flavor.ram}
|
351 | 41303ed0 | Vangelis Koukis | |
352 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
353 | 3a9b3cde | Giorgos Verigakis | 'img_id': image['backend_id'], |
354 | e3b5be49 | Giorgos Verigakis | 'img_passwd': password,
|
355 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
356 | 2b1db26f | Giorgos Verigakis | if personality:
|
357 | e3b5be49 | Giorgos Verigakis | kw['osparams']['img_personality'] = json.dumps(personality) |
358 | d1eaa651 | Christos Stavrakakis | |
359 | 3a9b3cde | Giorgos Verigakis | kw['osparams']['img_properties'] = json.dumps(image['metadata']) |
360 | d1eaa651 | Christos Stavrakakis | |
361 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
362 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
363 | 1c382247 | Vangelis Koukis | |
364 | f5b4f2a3 | Christos Stavrakakis | return vm.client.CreateInstance(**kw)
|
365 | f533f224 | Vangelis Koukis | |
366 | 529178b1 | Giorgos Verigakis | |
367 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
368 | 529178b1 | Giorgos Verigakis | start_action(vm, 'DESTROY')
|
369 | f5b4f2a3 | Christos Stavrakakis | vm.client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST) |
370 | 529178b1 | Giorgos Verigakis | |
371 | ad2d6807 | Vangelis Koukis | |
372 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
373 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
374 | 0827883e | Nikos Skalkotos | vm.client.RebootInstance(vm.backend_vm_id, reboot_type, |
375 | 0827883e | Nikos Skalkotos | dry_run=settings.TEST) |
376 | 924d8085 | Christos Stavrakakis | log.info('Rebooting instance %s', vm.backend_vm_id)
|
377 | 529178b1 | Giorgos Verigakis | |
378 | ad2d6807 | Vangelis Koukis | |
379 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
380 | 529178b1 | Giorgos Verigakis | start_action(vm, 'START')
|
381 | f5b4f2a3 | Christos Stavrakakis | vm.client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST) |
382 | 529178b1 | Giorgos Verigakis | |
383 | ad2d6807 | Vangelis Koukis | |
384 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
385 | 529178b1 | Giorgos Verigakis | start_action(vm, 'STOP')
|
386 | f5b4f2a3 | Christos Stavrakakis | vm.client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST) |
387 | 529178b1 | Giorgos Verigakis | |
388 | ad2d6807 | Vangelis Koukis | |
389 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
390 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
391 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
392 | 71099804 | Vangelis Koukis | # useless (see #783).
|
393 | 71099804 | Vangelis Koukis | #
|
394 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
395 | 71099804 | Vangelis Koukis | # directly.
|
396 | 9afeb669 | Kostas Papadimitriou | #
|
397 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
398 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
399 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
400 | 71099804 | Vangelis Koukis | #
|
401 | 71099804 | Vangelis Koukis | console = {} |
402 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
403 | f5b4f2a3 | Christos Stavrakakis | i = vm.client.GetInstance(vm.backend_vm_id) |
404 | 71099804 | Vangelis Koukis | if i['hvparams']['serial_console']: |
405 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
406 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
407 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
408 | 9afeb669 | Kostas Papadimitriou | |
409 | 71099804 | Vangelis Koukis | return console
|
410 | 924d8085 | Christos Stavrakakis | # return rapi.GetInstanceConsole(vm.backend_vm_id)
|
411 | 64938cb0 | Giorgos Verigakis | |
412 | c25cc9ec | Vangelis Koukis | |
413 | 604b2bf8 | Georgios Gousios | def request_status_update(vm): |
414 | f5b4f2a3 | Christos Stavrakakis | return vm.client.GetInstanceInfo(vm.backend_vm_id)
|
415 | 604b2bf8 | Georgios Gousios | |
416 | 604b2bf8 | Georgios Gousios | |
417 | 604b2bf8 | Georgios Gousios | def update_status(vm, status): |
418 | db7a3230 | Vangelis Koukis | utils.update_state(vm, status) |
419 | f533f224 | Vangelis Koukis | |
420 | c25cc9ec | Vangelis Koukis | |
421 | 22ee6892 | Christos Stavrakakis | def create_network(network, backends=None): |
422 | 22ee6892 | Christos Stavrakakis | """ Add and connect a network to backends.
|
423 | 37ca953f | Christodoulos Psaltis |
|
424 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
425 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
426 | 64938cb0 | Giorgos Verigakis |
|
427 | 22ee6892 | Christos Stavrakakis | """
|
428 | 22ee6892 | Christos Stavrakakis | backend_jobs = _create_network(network, backends) |
429 | 22ee6892 | Christos Stavrakakis | connect_network(network, backend_jobs) |
430 | 22ee6892 | Christos Stavrakakis | return network
|
431 | c25cc9ec | Vangelis Koukis | |
432 | 37ca953f | Christodoulos Psaltis | |
433 | 22ee6892 | Christos Stavrakakis | def _create_network(network, backends=None): |
434 | 22ee6892 | Christos Stavrakakis | """Add a network to backends.
|
435 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
436 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
437 | 64938cb0 | Giorgos Verigakis |
|
438 | 22ee6892 | Christos Stavrakakis | """
|
439 | c25cc9ec | Vangelis Koukis | |
440 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
441 | 22ee6892 | Christos Stavrakakis | if not backends: |
442 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
443 | 22ee6892 | Christos Stavrakakis | |
444 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
445 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
446 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
447 | 22ee6892 | Christos Stavrakakis | tags = ','.join(tags)
|
448 | 22ee6892 | Christos Stavrakakis | |
449 | 22ee6892 | Christos Stavrakakis | backend_jobs = [] |
450 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
451 | 3165f027 | Christos Stavrakakis | try:
|
452 | 3165f027 | Christos Stavrakakis | backend_network = BackendNetwork.objects.get(network=network, |
453 | 3165f027 | Christos Stavrakakis | backend=backend) |
454 | 3165f027 | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
455 | 3165f027 | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'"\ |
456 | 3165f027 | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
457 | 22ee6892 | Christos Stavrakakis | job = backend.client.CreateNetwork( |
458 | 22ee6892 | Christos Stavrakakis | network_name=network.backend_id, |
459 | 22ee6892 | Christos Stavrakakis | network=network.subnet, |
460 | 22ee6892 | Christos Stavrakakis | gateway=network.gateway, |
461 | 22ee6892 | Christos Stavrakakis | network_type=network_type, |
462 | 3165f027 | Christos Stavrakakis | mac_prefix=backend_network.mac_prefix, |
463 | 22ee6892 | Christos Stavrakakis | tags=tags) |
464 | 22ee6892 | Christos Stavrakakis | backend_jobs.append((backend, job)) |
465 | 22ee6892 | Christos Stavrakakis | |
466 | 22ee6892 | Christos Stavrakakis | return backend_jobs
|
467 | 22ee6892 | Christos Stavrakakis | |
468 | 22ee6892 | Christos Stavrakakis | |
469 | 22ee6892 | Christos Stavrakakis | def connect_network(network, backend_jobs=None): |
470 | 22ee6892 | Christos Stavrakakis | """Connect a network to all nodegroups.
|
471 | 22ee6892 | Christos Stavrakakis |
|
472 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
473 | 22ee6892 | Christos Stavrakakis | @param backend_jobs: List of tuples of the form (Backend, jobs) which are
|
474 | 22ee6892 | Christos Stavrakakis | the backends to connect the network and the jobs on
|
475 | 22ee6892 | Christos Stavrakakis | which the connect job depends.
|
476 | 22ee6892 | Christos Stavrakakis |
|
477 | 22ee6892 | Christos Stavrakakis | """
|
478 | 64938cb0 | Giorgos Verigakis | |
479 | 839e2bd0 | Christos Stavrakakis | if network.type in ('PUBLIC_ROUTED', 'CUSTOM_ROUTED'): |
480 | 839e2bd0 | Christos Stavrakakis | mode = 'routed'
|
481 | 839e2bd0 | Christos Stavrakakis | else:
|
482 | 839e2bd0 | Christos Stavrakakis | mode = 'bridged'
|
483 | c25cc9ec | Vangelis Koukis | |
484 | 22ee6892 | Christos Stavrakakis | if not backend_jobs: |
485 | 22ee6892 | Christos Stavrakakis | backend_jobs = [(backend, []) for backend in |
486 | 22ee6892 | Christos Stavrakakis | Backend.objects.exclude(offline=True)]
|
487 | 64938cb0 | Giorgos Verigakis | |
488 | 22ee6892 | Christos Stavrakakis | for backend, job in backend_jobs: |
489 | 22ee6892 | Christos Stavrakakis | client = backend.client |
490 | 22ee6892 | Christos Stavrakakis | for group in client.GetGroups(): |
491 | 22ee6892 | Christos Stavrakakis | client.ConnectNetwork(network.backend_id, group, mode, |
492 | 22ee6892 | Christos Stavrakakis | network.link, [job]) |
493 | 22ee6892 | Christos Stavrakakis | |
494 | 22ee6892 | Christos Stavrakakis | |
495 | 22ee6892 | Christos Stavrakakis | def connect_network_group(backend, network, group): |
496 | 22ee6892 | Christos Stavrakakis | """Connect a network to a specific nodegroup of a backend.
|
497 | 22ee6892 | Christos Stavrakakis |
|
498 | 22ee6892 | Christos Stavrakakis | """
|
499 | 839e2bd0 | Christos Stavrakakis | if network.type in ('PUBLIC_ROUTED', 'CUSTOM_ROUTED'): |
500 | 839e2bd0 | Christos Stavrakakis | mode = 'routed'
|
501 | 839e2bd0 | Christos Stavrakakis | else:
|
502 | 839e2bd0 | Christos Stavrakakis | mode = 'bridged'
|
503 | 22ee6892 | Christos Stavrakakis | |
504 | 22ee6892 | Christos Stavrakakis | return backend.client.ConnectNetwork(network.backend_id, group, mode,
|
505 | 22ee6892 | Christos Stavrakakis | network.link) |
506 | 22ee6892 | Christos Stavrakakis | |
507 | 22ee6892 | Christos Stavrakakis | |
508 | 22ee6892 | Christos Stavrakakis | def delete_network(network, backends=None): |
509 | 22ee6892 | Christos Stavrakakis | """ Disconnect and a remove a network from backends.
|
510 | 22ee6892 | Christos Stavrakakis |
|
511 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
512 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
513 | 22ee6892 | Christos Stavrakakis |
|
514 | 22ee6892 | Christos Stavrakakis | """
|
515 | 22ee6892 | Christos Stavrakakis | backend_jobs = disconnect_network(network, backends) |
516 | 22ee6892 | Christos Stavrakakis | _delete_network(network, backend_jobs) |
517 | 22ee6892 | Christos Stavrakakis | |
518 | 22ee6892 | Christos Stavrakakis | |
519 | 22ee6892 | Christos Stavrakakis | def disconnect_network(network, backends=None): |
520 | 0196d9a3 | Christos Stavrakakis | """Disconnect a network from all nodegroups.
|
521 | 22ee6892 | Christos Stavrakakis |
|
522 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
523 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
524 | 22ee6892 | Christos Stavrakakis |
|
525 | 22ee6892 | Christos Stavrakakis | """
|
526 | 22ee6892 | Christos Stavrakakis | |
527 | 22ee6892 | Christos Stavrakakis | if not backends: |
528 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
529 | 22ee6892 | Christos Stavrakakis | |
530 | 22ee6892 | Christos Stavrakakis | backend_jobs = [] |
531 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
532 | 22ee6892 | Christos Stavrakakis | client = backend.client |
533 | 22ee6892 | Christos Stavrakakis | jobs = [] |
534 | 22ee6892 | Christos Stavrakakis | for group in client.GetGroups(): |
535 | 0196d9a3 | Christos Stavrakakis | job = client.DisconnectNetwork(network.backend_id, group) |
536 | 0196d9a3 | Christos Stavrakakis | jobs.append(job) |
537 | 0196d9a3 | Christos Stavrakakis | backend_jobs.append((backend, jobs)) |
538 | 22ee6892 | Christos Stavrakakis | |
539 | 22ee6892 | Christos Stavrakakis | return backend_jobs
|
540 | 22ee6892 | Christos Stavrakakis | |
541 | 22ee6892 | Christos Stavrakakis | |
542 | 0196d9a3 | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
543 | 22ee6892 | Christos Stavrakakis | """Disconnect a virtual machine from a network by removing it's nic.
|
544 | 22ee6892 | Christos Stavrakakis |
|
545 | 22ee6892 | Christos Stavrakakis | @param vm: VirtualMachine object
|
546 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
547 | 22ee6892 | Christos Stavrakakis |
|
548 | 22ee6892 | Christos Stavrakakis | """
|
549 | c25cc9ec | Vangelis Koukis | |
550 | 36f4cb29 | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
551 | 36f4cb29 | Christos Stavrakakis | return vm.client.ModifyInstance(vm.backend_vm_id, nics=op,
|
552 | 16ddd1fe | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
553 | 16ddd1fe | Christos Stavrakakis | dry_run=settings.TEST) |
554 | 36f4cb29 | Christos Stavrakakis | |
555 | 36f4cb29 | Christos Stavrakakis | |
556 | 22ee6892 | Christos Stavrakakis | def _delete_network(network, backend_jobs=None): |
557 | 22ee6892 | Christos Stavrakakis | if not backend_jobs: |
558 | 22ee6892 | Christos Stavrakakis | backend_jobs = [(backend, []) for backend in |
559 | 22ee6892 | Christos Stavrakakis | Backend.objects.exclude(offline=True)]
|
560 | 22ee6892 | Christos Stavrakakis | for backend, jobs in backend_jobs: |
561 | 22ee6892 | Christos Stavrakakis | backend.client.DeleteNetwork(network.backend_id, jobs) |
562 | 22ee6892 | Christos Stavrakakis | |
563 | 22ee6892 | Christos Stavrakakis | |
564 | 77f0fa63 | Christos Stavrakakis | def connect_to_network(vm, network, address): |
565 | 22ee6892 | Christos Stavrakakis | """Connect a virtual machine to a network.
|
566 | 22ee6892 | Christos Stavrakakis |
|
567 | 22ee6892 | Christos Stavrakakis | @param vm: VirtualMachine object
|
568 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
569 | 22ee6892 | Christos Stavrakakis |
|
570 | 22ee6892 | Christos Stavrakakis | """
|
571 | 22ee6892 | Christos Stavrakakis | |
572 | 77f0fa63 | Christos Stavrakakis | # ip = network.dhcp and 'pool' or None
|
573 | 22ee6892 | Christos Stavrakakis | |
574 | 77f0fa63 | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
575 | 22ee6892 | Christos Stavrakakis | vm.client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)],
|
576 | 16ddd1fe | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
577 | 16ddd1fe | Christos Stavrakakis | dry_run=settings.TEST) |
578 | 91826390 | Giorgos Verigakis | |
579 | c25cc9ec | Vangelis Koukis | |
580 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
581 | 26563957 | Giorgos Verigakis | try:
|
582 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
583 | 26563957 | Giorgos Verigakis | except KeyError: |
584 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
585 | 37ca953f | Christodoulos Psaltis | |
586 | f5b4f2a3 | Christos Stavrakakis | client = vm.client |
587 | 26563957 | Giorgos Verigakis | # Delete all firewall tags
|
588 | efff6193 | Giorgos Verigakis | for t in _firewall_tags.values(): |
589 | f5b4f2a3 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], dry_run=settings.TEST) |
590 | 37ca953f | Christodoulos Psaltis | |
591 | f5b4f2a3 | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
592 | 9afeb669 | Kostas Papadimitriou | |
593 | 2da5f785 | Giorgos Verigakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
594 | 2da5f785 | Giorgos Verigakis | # on the dispatcher
|
595 | f5b4f2a3 | Christos Stavrakakis | vm.client.ModifyInstance(vm.backend_vm_id, |
596 | 5eedb0e4 | Vangelis Koukis | os_name=settings.GANETI_CREATEINSTANCE_KWARGS['os'])
|
597 | 5eedb0e4 | Vangelis Koukis | |
598 | 41303ed0 | Vangelis Koukis | |
599 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_instances(backend=None, bulk=False): |
600 | 1a894bfe | Christos Stavrakakis | Instances = [c.client.GetInstances(bulk=bulk)\ |
601 | 1a894bfe | Christos Stavrakakis | for c in get_backends(backend)] |
602 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Instances, []) |
603 | f5b4f2a3 | Christos Stavrakakis | |
604 | f5b4f2a3 | Christos Stavrakakis | |
605 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_nodes(backend=None, bulk=False): |
606 | f5b4f2a3 | Christos Stavrakakis | Nodes = [c.client.GetNodes(bulk=bulk) for c in get_backends(backend)] |
607 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Nodes, []) |
608 | f5b4f2a3 | Christos Stavrakakis | |
609 | f5b4f2a3 | Christos Stavrakakis | |
610 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_jobs(backend=None, bulk=False): |
611 | f5b4f2a3 | Christos Stavrakakis | Jobs = [c.client.GetJobs(bulk=bulk) for c in get_backends(backend)] |
612 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Jobs, []) |
613 | f5b4f2a3 | Christos Stavrakakis | |
614 | f5b4f2a3 | Christos Stavrakakis | ##
|
615 | f5b4f2a3 | Christos Stavrakakis | ##
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616 | f5b4f2a3 | Christos Stavrakakis | ##
|
617 | 1a894bfe | Christos Stavrakakis | |
618 | 1a894bfe | Christos Stavrakakis | |
619 | f5b4f2a3 | Christos Stavrakakis | def get_backends(backend=None): |
620 | f5b4f2a3 | Christos Stavrakakis | if backend:
|
621 | f5b4f2a3 | Christos Stavrakakis | return [backend]
|
622 | cc7c0f44 | Christos Stavrakakis | return Backend.objects.filter(offline=False) |
623 | f5b4f2a3 | Christos Stavrakakis | |
624 | 17852fe9 | Giorgos Verigakis | |
625 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
626 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
627 | 1a894bfe | Christos Stavrakakis |
|
628 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
629 | 41303ed0 | Vangelis Koukis |
|
630 | 1a894bfe | Christos Stavrakakis | """
|
631 | 1a894bfe | Christos Stavrakakis | nodes = get_ganeti_nodes(backend, bulk=True)
|
632 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
633 | 1a894bfe | Christos Stavrakakis | res = {} |
634 | 1a894bfe | Christos Stavrakakis | for a in attr: |
635 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
636 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
637 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
638 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
639 | 1a894bfe | Christos Stavrakakis | if n['vm_capable'] and not n['drained'] and not n['offline']\ |
640 | 1a894bfe | Christos Stavrakakis | and n['cnodes']: |
641 | 1a894bfe | Christos Stavrakakis | for a in attr: |
642 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
643 | 1a894bfe | Christos Stavrakakis | return res
|
644 | 1a894bfe | Christos Stavrakakis | |
645 | 1a894bfe | Christos Stavrakakis | |
646 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
647 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
648 | 1a894bfe | Christos Stavrakakis |
|
649 | 1a894bfe | Christos Stavrakakis | """
|
650 | 17852fe9 | Giorgos Verigakis | |
651 | 1a894bfe | Christos Stavrakakis | if not resources: |
652 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
653 | 41303ed0 | Vangelis Koukis | |
654 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
655 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
656 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
657 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
658 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
659 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
660 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
661 | 1a894bfe | Christos Stavrakakis | backend.save() |
662 | 1a894bfe | Christos Stavrakakis | |
663 | 1a894bfe | Christos Stavrakakis | |
664 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
665 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
666 | 1a894bfe | Christos Stavrakakis |
|
667 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
668 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
669 | 1a894bfe | Christos Stavrakakis |
|
670 | 1a894bfe | Christos Stavrakakis | """
|
671 | 1a894bfe | Christos Stavrakakis | instances = backend.client.GetInstances(bulk=True)
|
672 | 1a894bfe | Christos Stavrakakis | mem = 0
|
673 | 1a894bfe | Christos Stavrakakis | for i in instances: |
674 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
675 | 1a894bfe | Christos Stavrakakis | return mem
|
676 | b3d28af2 | Christos Stavrakakis | |
677 | b3d28af2 | Christos Stavrakakis | ##
|
678 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
679 | b3d28af2 | Christos Stavrakakis | ##
|
680 | b3d28af2 | Christos Stavrakakis | |
681 | b3d28af2 | Christos Stavrakakis | |
682 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
683 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
684 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
685 | b3d28af2 | Christos Stavrakakis | return result
|
686 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
687 | b3d28af2 | Christos Stavrakakis | return result
|
688 | b3d28af2 | Christos Stavrakakis | |
689 | b3d28af2 | Christos Stavrakakis | |
690 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
691 | b3d28af2 | Christos Stavrakakis | client = backend.client |
692 | 90b29b33 | Christos Stavrakakis | |
693 | 90b29b33 | Christos Stavrakakis | backend_jobs = _create_network(network, [backend]) |
694 | 90b29b33 | Christos Stavrakakis | (_, job) = backend_jobs[0]
|
695 | b3d28af2 | Christos Stavrakakis | return wait_for_job(client, job)
|
696 | b3d28af2 | Christos Stavrakakis | |
697 | b3d28af2 | Christos Stavrakakis | |
698 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
699 | 839e2bd0 | Christos Stavrakakis | if network.type in ('PUBLIC_ROUTED', 'CUSTOM_ROUTED'): |
700 | 839e2bd0 | Christos Stavrakakis | mode = 'routed'
|
701 | 839e2bd0 | Christos Stavrakakis | else:
|
702 | 839e2bd0 | Christos Stavrakakis | mode = 'bridged'
|
703 | b3d28af2 | Christos Stavrakakis | client = backend.client |
704 | b3d28af2 | Christos Stavrakakis | |
705 | b3d28af2 | Christos Stavrakakis | for group in client.GetGroups(): |
706 | b3d28af2 | Christos Stavrakakis | job = client.ConnectNetwork(network.backend_id, group, mode, |
707 | b3d28af2 | Christos Stavrakakis | network.link) |
708 | b3d28af2 | Christos Stavrakakis | result = wait_for_job(client, job) |
709 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
710 | b3d28af2 | Christos Stavrakakis | return result
|
711 | b3d28af2 | Christos Stavrakakis | |
712 | b3d28af2 | Christos Stavrakakis | return result
|
713 | b3d28af2 | Christos Stavrakakis | |
714 | b3d28af2 | Christos Stavrakakis | |
715 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
716 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
717 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
718 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
719 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
720 | b3d28af2 | Christos Stavrakakis | [result], None)
|
721 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
722 | b3d28af2 | Christos Stavrakakis | |
723 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
724 | b3d28af2 | Christos Stavrakakis | return (status, None) |
725 | b3d28af2 | Christos Stavrakakis | else:
|
726 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
727 | b3d28af2 | Christos Stavrakakis | return (status, error) |