root / snf-cyclades-app / synnefo / logic / backend.py @ 8283d6c1
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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 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
37 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
38 | 1a894bfe | Christos Stavrakakis | from datetime import datetime |
39 | 207b70d5 | Giorgos Verigakis | |
40 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
41 | 3524241a | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES, |
42 | 4d5d0b9c | Christos Stavrakakis | pooled_rapi_client, BridgePoolTable, |
43 | 4d5d0b9c | Christos Stavrakakis | MacPrefixPoolTable, VirtualMachineDiagnostic) |
44 | 03992c72 | Christos Stavrakakis | from synnefo.logic import utils |
45 | cb4eee84 | Christos Stavrakakis | from synnefo import quotas |
46 | b7d38981 | Dimitris Aragiorgis | from synnefo.api.util import release_resource |
47 | 529178b1 | Giorgos Verigakis | |
48 | 3524241a | Christos Stavrakakis | from logging import getLogger |
49 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
50 | 9e98ba3c | Giorgos Verigakis | |
51 | 529178b1 | Giorgos Verigakis | |
52 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
53 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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54 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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55 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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56 | efff6193 | Giorgos Verigakis | |
57 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
58 | efff6193 | Giorgos Verigakis | |
59 | 02feca11 | Vassilios Karakoidas | |
60 | cb4eee84 | Christos Stavrakakis | @quotas.uses_commission
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61 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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62 | cb4eee84 | Christos Stavrakakis | def process_op_status(serials, vm, etime, jobid, opcode, status, logmsg): |
63 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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64 | 02feca11 | Vassilios Karakoidas |
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65 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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66 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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67 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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68 | 02feca11 | Vassilios Karakoidas |
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69 | 02feca11 | Vassilios Karakoidas | """
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70 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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71 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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72 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
73 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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74 | 02feca11 | Vassilios Karakoidas | |
75 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
76 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
77 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
78 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
79 | 02feca11 | Vassilios Karakoidas | |
80 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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81 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
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82 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
83 | c4ce868e | Christos Stavrakakis | vm.operstate = state_for_success |
84 | 685b219e | Vangelis Koukis | |
85 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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86 | cb4eee84 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in ('canceled', 'error'): |
87 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
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88 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
89 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
90 | e97288bc | Christos Stavrakakis | # Set the deleted flag explicitly, cater for admin-initiated removals
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91 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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92 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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93 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
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94 | e97288bc | Christos Stavrakakis | #
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95 | e97288bc | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
96 | e97288bc | Christos Stavrakakis | vm.operstate == 'ERROR'):
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97 | cb4eee84 | Christos Stavrakakis | # Issue commission
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98 | cb4eee84 | Christos Stavrakakis | serial = quotas.issue_vm_commission(vm.userid, vm.flavor, |
99 | cb4eee84 | Christos Stavrakakis | delete=True)
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100 | cb4eee84 | Christos Stavrakakis | serials.append(serial) |
101 | cb4eee84 | Christos Stavrakakis | vm.serial = serial |
102 | cb4eee84 | Christos Stavrakakis | serial.accepted = True
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103 | cb4eee84 | Christos Stavrakakis | serial.save() |
104 | e97288bc | Christos Stavrakakis | release_instance_nics(vm) |
105 | e97288bc | Christos Stavrakakis | vm.nics.all().delete() |
106 | e97288bc | Christos Stavrakakis | vm.deleted = True
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107 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
108 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
109 | 093f9c53 | Vangelis Koukis | |
110 | c4ce868e | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully completed,
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111 | c4ce868e | Christos Stavrakakis | # since only these jobs update the state of the VM. Else a "race condition"
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112 | c4ce868e | Christos Stavrakakis | # may occur when a successful job (e.g. OP_INSTANCE_REMOVE) completes
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113 | c4ce868e | Christos Stavrakakis | # before an error job and messages arrive in reversed order.
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114 | c4ce868e | Christos Stavrakakis | if status == 'success': |
115 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
116 | 02feca11 | Vassilios Karakoidas | |
117 | 02feca11 | Vassilios Karakoidas | vm.save() |
118 | 22e52ede | Vassilios Karakoidas | |
119 | ad2d6807 | Vangelis Koukis | |
120 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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121 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
122 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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123 | ad2d6807 | Vangelis Koukis |
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124 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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125 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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126 | ad2d6807 | Vangelis Koukis |
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127 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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128 | ad2d6807 | Vangelis Koukis | """
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129 | 37ca953f | Christodoulos Psaltis | |
130 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
131 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
132 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
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133 | b578d9e7 | Christos Stavrakakis | |
134 | fdc94944 | Christos Stavrakakis | release_instance_nics(vm) |
135 | 77f0fa63 | Christos Stavrakakis | |
136 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
137 | b578d9e7 | Christos Stavrakakis | ipv4 = nic.get('ipv4', '') |
138 | f45a7ac4 | Christos Stavrakakis | net = nic['network']
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139 | b578d9e7 | Christos Stavrakakis | if ipv4:
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140 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
141 | b578d9e7 | Christos Stavrakakis | |
142 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
143 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
144 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
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145 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
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146 | b578d9e7 | Christos Stavrakakis | net.save() |
147 | b578d9e7 | Christos Stavrakakis | |
148 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
149 | b578d9e7 | Christos Stavrakakis | vm.save() |
150 | b578d9e7 | Christos Stavrakakis | |
151 | b578d9e7 | Christos Stavrakakis | |
152 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
153 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
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154 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
155 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
156 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
157 | 22ee6892 | Christos Stavrakakis | n = str(network)
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158 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
159 | 77f0fa63 | Christos Stavrakakis | |
160 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
161 | 77f0fa63 | Christos Stavrakakis | |
162 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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163 | 77f0fa63 | Christos Stavrakakis | mac = new_nic.get('mac', '') |
164 | 77f0fa63 | Christos Stavrakakis | ipv4 = new_nic.get('ip', '') |
165 | 77f0fa63 | Christos Stavrakakis | ipv6 = new_nic.get('ipv6', '') |
166 | 9afeb669 | Kostas Papadimitriou | |
167 | 77f0fa63 | Christos Stavrakakis | firewall = new_nic.get('firewall', '') |
168 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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169 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
170 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
171 | 9afeb669 | Kostas Papadimitriou | |
172 | b578d9e7 | Christos Stavrakakis | nic = { |
173 | cc92b70f | Christos Stavrakakis | 'index': i,
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174 | cc92b70f | Christos Stavrakakis | 'network': net,
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175 | cc92b70f | Christos Stavrakakis | 'mac': mac,
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176 | cc92b70f | Christos Stavrakakis | 'ipv4': ipv4,
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177 | cc92b70f | Christos Stavrakakis | 'ipv6': ipv6,
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178 | cc92b70f | Christos Stavrakakis | 'firewall_profile': firewall_profile}
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179 | b578d9e7 | Christos Stavrakakis | |
180 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
181 | b578d9e7 | Christos Stavrakakis | return new_nics
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182 | b578d9e7 | Christos Stavrakakis | |
183 | b578d9e7 | Christos Stavrakakis | |
184 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
185 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
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186 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
187 | b578d9e7 | Christos Stavrakakis | return True |
188 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
189 | cc92b70f | Christos Stavrakakis | if not (old_nic.ipv4 == new_nic['ipv4'] and |
190 | cc92b70f | Christos Stavrakakis | old_nic.ipv6 == new_nic['ipv6'] and |
191 | cc92b70f | Christos Stavrakakis | old_nic.mac == new_nic['mac'] and |
192 | cc92b70f | Christos Stavrakakis | old_nic.firewall_profile == new_nic['firewall_profile'] and |
193 | cc92b70f | Christos Stavrakakis | old_nic.index == new_nic['index'] and |
194 | b578d9e7 | Christos Stavrakakis | old_nic.network == new_nic['network']):
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195 | b578d9e7 | Christos Stavrakakis | return True |
196 | b578d9e7 | Christos Stavrakakis | return False |
197 | 22ee6892 | Christos Stavrakakis | |
198 | 22ee6892 | Christos Stavrakakis | |
199 | bd392934 | Christos Stavrakakis | def release_instance_nics(vm): |
200 | bd392934 | Christos Stavrakakis | for nic in vm.nics.all(): |
201 | 40ef487d | Christos Stavrakakis | net = nic.network |
202 | fa454545 | Christos Stavrakakis | if nic.ipv4:
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203 | 40ef487d | Christos Stavrakakis | net.release_address(nic.ipv4) |
204 | bd392934 | Christos Stavrakakis | nic.delete() |
205 | 40ef487d | Christos Stavrakakis | net.save() |
206 | bd392934 | Christos Stavrakakis | |
207 | bd392934 | Christos Stavrakakis | |
208 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
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209 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
210 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
211 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
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212 | 22ee6892 | Christos Stavrakakis | |
213 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
214 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
215 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
216 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
217 | 22ee6892 | Christos Stavrakakis | |
218 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
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219 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
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220 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
221 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
222 | 22ee6892 | Christos Stavrakakis | |
223 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
224 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
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225 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
226 | 22ee6892 | Christos Stavrakakis | |
227 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
228 | e97288bc | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
229 | e97288bc | Christos Stavrakakis | back_network.operstate == 'ERROR'):
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230 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
231 | e97288bc | Christos Stavrakakis | back_network.deleted = True
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232 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
233 | 22ee6892 | Christos Stavrakakis | |
234 | e97288bc | Christos Stavrakakis | if status == 'success': |
235 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
236 | 22ee6892 | Christos Stavrakakis | back_network.save() |
237 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
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238 | 4d5d0b9c | Christos Stavrakakis | update_network_state(back_network.network) |
239 | fd2bdbb2 | Christos Stavrakakis | |
240 | fd2bdbb2 | Christos Stavrakakis | |
241 | cb4eee84 | Christos Stavrakakis | @quotas.uses_commission
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242 | cb4eee84 | Christos Stavrakakis | def update_network_state(serials, network): |
243 | cb4eee84 | Christos Stavrakakis | old_state = network.state |
244 | cb4eee84 | Christos Stavrakakis | |
245 | 3f77e63d | Christos Stavrakakis | backend_states = [s.operstate for s in |
246 | cc92b70f | Christos Stavrakakis | network.backend_networks.filter(backend__offline=False)]
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247 | cb4eee84 | Christos Stavrakakis | if not backend_states: |
248 | cb4eee84 | Christos Stavrakakis | network.state = 'PENDING'
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249 | cb4eee84 | Christos Stavrakakis | network.save() |
250 | cb4eee84 | Christos Stavrakakis | return
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251 | cb4eee84 | Christos Stavrakakis | |
252 | cb4eee84 | Christos Stavrakakis | all_equal = len(set(backend_states)) <= 1 |
253 | cb4eee84 | Christos Stavrakakis | network.state = all_equal and backend_states[0] or 'PENDING' |
254 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
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255 | cb4eee84 | Christos Stavrakakis | if old_state != 'DELETED' and network.state == 'DELETED': |
256 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
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257 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
258 | cb4eee84 | Christos Stavrakakis | network.deleted = True
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259 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
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260 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
261 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
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262 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
263 | b7d38981 | Dimitris Aragiorgis | if network.link:
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264 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
265 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
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266 | cb4eee84 | Christos Stavrakakis | |
267 | cb4eee84 | Christos Stavrakakis | # Issue commission
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268 | cb4eee84 | Christos Stavrakakis | serial = quotas.issue_network_commission(network.userid, delete=True)
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269 | cb4eee84 | Christos Stavrakakis | serials.append(serial) |
270 | cb4eee84 | Christos Stavrakakis | network.serial = serial |
271 | cb4eee84 | Christos Stavrakakis | serial.accepted = True
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272 | cb4eee84 | Christos Stavrakakis | serial.save() |
273 | cb4eee84 | Christos Stavrakakis | network.save() |
274 | cb4eee84 | Christos Stavrakakis | |
275 | cb4eee84 | Christos Stavrakakis | |
276 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
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277 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
278 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
279 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
280 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
281 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
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282 | fd2bdbb2 | Christos Stavrakakis | |
283 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
284 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
285 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
286 | fd2bdbb2 | Christos Stavrakakis | |
287 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
288 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
289 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
290 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
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291 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
292 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
293 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
294 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
295 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
296 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
297 | fd2bdbb2 | Christos Stavrakakis | |
298 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
299 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
300 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
301 | ad2d6807 | Vangelis Koukis | |
302 | c25cc9ec | Vangelis Koukis | |
303 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
304 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
305 | 9068cd85 | Georgios Gousios | |
306 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
307 | 9068cd85 | Georgios Gousios | |
308 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
309 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
310 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
311 | af90d919 | Vangelis Koukis | if percentage < 0: |
312 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
313 | 9068cd85 | Georgios Gousios | |
314 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
315 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
316 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
317 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
318 | 9068cd85 | Georgios Gousios | |
319 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
320 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
321 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
322 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
323 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
324 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
325 | c25cc9ec | Vangelis Koukis | #
|
326 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
327 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
328 | 9068cd85 | Georgios Gousios | |
329 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
330 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
331 | 9068cd85 | Georgios Gousios | vm.save() |
332 | ad2d6807 | Vangelis Koukis | |
333 | c25cc9ec | Vangelis Koukis | |
334 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
335 | cc92b70f | Christos Stavrakakis | details=None):
|
336 | 7d43565f | Kostas Papadimitriou | """
|
337 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
338 | 7d43565f | Kostas Papadimitriou |
|
339 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
340 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
341 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
342 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
343 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
344 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
345 | 7d43565f | Kostas Papadimitriou | """
|
346 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
347 | cc92b70f | Christos Stavrakakis | source_date=etime, |
348 | cc92b70f | Christos Stavrakakis | message=message, |
349 | cc92b70f | Christos Stavrakakis | details=details) |
350 | 7d43565f | Kostas Papadimitriou | |
351 | 7d43565f | Kostas Papadimitriou | |
352 | 8528b8ac | Christos Stavrakakis | def create_instance(vm, public_nic, flavor, image): |
353 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
354 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
355 | 7f691719 | Christos Stavrakakis |
|
356 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
357 | 3a9b3cde | Giorgos Verigakis | """
|
358 | 864bed43 | Christos Stavrakakis | |
359 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
360 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
361 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
362 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
363 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
364 | 1c382247 | Vangelis Koukis | #
|
365 | 1c382247 | Vangelis Koukis | kw = settings.GANETI_CREATEINSTANCE_KWARGS |
366 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
367 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
368 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
369 | 296682fe | Kostas Papadimitriou | |
370 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
371 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
372 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
373 | 296682fe | Kostas Papadimitriou | if provider:
|
374 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
375 | 296682fe | Kostas Papadimitriou | |
376 | 27d6d48d | Stratos Psomadakis | if provider == 'vlmc': |
377 | 2a599282 | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
378 | 296682fe | Kostas Papadimitriou | |
379 | adc46059 | Christos Stavrakakis | kw['nics'] = [public_nic]
|
380 | 341c818e | Dimitris Aragiorgis | if settings.GANETI_USE_HOTPLUG:
|
381 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
382 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
383 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
384 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
385 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
386 | 79b7dbb7 | Christos Stavrakakis | |
387 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
388 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
389 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
390 | 79b7dbb7 | Christos Stavrakakis | |
391 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
392 | 41303ed0 | Vangelis Koukis | |
393 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
394 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
395 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
396 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
397 | 79b7dbb7 | Christos Stavrakakis | |
398 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
399 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
400 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
401 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
402 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
403 | d1eaa651 | Christos Stavrakakis | |
404 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
405 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
406 | 79b7dbb7 | Christos Stavrakakis | |
407 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
408 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
409 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
410 | f533f224 | Vangelis Koukis | |
411 | 529178b1 | Giorgos Verigakis | |
412 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
413 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
414 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
415 | 529178b1 | Giorgos Verigakis | |
416 | ad2d6807 | Vangelis Koukis | |
417 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
418 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
419 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
420 | bf5c82dc | Christos Stavrakakis | return client.RebootInstance(vm.backend_vm_id, reboot_type,
|
421 | bf5c82dc | Christos Stavrakakis | dry_run=settings.TEST) |
422 | 529178b1 | Giorgos Verigakis | |
423 | ad2d6807 | Vangelis Koukis | |
424 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
425 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
426 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
427 | 529178b1 | Giorgos Verigakis | |
428 | ad2d6807 | Vangelis Koukis | |
429 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
430 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
431 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
432 | 529178b1 | Giorgos Verigakis | |
433 | ad2d6807 | Vangelis Koukis | |
434 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
435 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
436 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
437 | 71099804 | Vangelis Koukis | # useless (see #783).
|
438 | 71099804 | Vangelis Koukis | #
|
439 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
440 | 71099804 | Vangelis Koukis | # directly.
|
441 | 9afeb669 | Kostas Papadimitriou | #
|
442 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
443 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
444 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
445 | 71099804 | Vangelis Koukis | #
|
446 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
447 | bf5c82dc | Christos Stavrakakis | |
448 | 71099804 | Vangelis Koukis | console = {} |
449 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
450 | 3524241a | Christos Stavrakakis | |
451 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
452 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
453 | 3524241a | Christos Stavrakakis | |
454 | 71099804 | Vangelis Koukis | if i['hvparams']['serial_console']: |
455 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
456 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
457 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
458 | 9afeb669 | Kostas Papadimitriou | |
459 | 71099804 | Vangelis Koukis | return console
|
460 | 604b2bf8 | Georgios Gousios | |
461 | 604b2bf8 | Georgios Gousios | |
462 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
463 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
464 | 3524241a | Christos Stavrakakis | return client.GetInstanceInfo(vm.backend_vm_id)
|
465 | f533f224 | Vangelis Koukis | |
466 | c25cc9ec | Vangelis Koukis | |
467 | 3524241a | Christos Stavrakakis | def create_network(network, backends=None, connect=True): |
468 | 3524241a | Christos Stavrakakis | """Create and connect a network."""
|
469 | 3524241a | Christos Stavrakakis | if not backends: |
470 | 3524241a | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
471 | 64938cb0 | Giorgos Verigakis | |
472 | bf5c82dc | Christos Stavrakakis | log.debug("Creating network %s in backends %s", network, backends)
|
473 | c25cc9ec | Vangelis Koukis | |
474 | 3524241a | Christos Stavrakakis | for backend in backends: |
475 | 3524241a | Christos Stavrakakis | create_jobID = _create_network(network, backend) |
476 | 3524241a | Christos Stavrakakis | if connect:
|
477 | 3524241a | Christos Stavrakakis | connect_network(network, backend, create_jobID) |
478 | 37ca953f | Christodoulos Psaltis | |
479 | 64938cb0 | Giorgos Verigakis | |
480 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
481 | 3524241a | Christos Stavrakakis | """Create a network."""
|
482 | c25cc9ec | Vangelis Koukis | |
483 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
484 | 22ee6892 | Christos Stavrakakis | |
485 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
486 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
487 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
488 | 2d762302 | Dimitris Aragiorgis | |
489 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
490 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
491 | 2d762302 | Dimitris Aragiorgis | else:
|
492 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
493 | 22ee6892 | Christos Stavrakakis | |
494 | 3524241a | Christos Stavrakakis | try:
|
495 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
496 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
497 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
498 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
499 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
500 | 3524241a | Christos Stavrakakis | |
501 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
502 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
503 | 3524241a | Christos Stavrakakis | network=network.subnet, |
504 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
505 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
506 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
507 | 3524241a | Christos Stavrakakis | network_type=network_type, |
508 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
509 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
510 | 3524241a | Christos Stavrakakis | tags=tags) |
511 | 3524241a | Christos Stavrakakis | |
512 | 3524241a | Christos Stavrakakis | |
513 | 3524241a | Christos Stavrakakis | def connect_network(network, backend, depend_job=None, group=None): |
514 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
515 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
516 | bf5c82dc | Christos Stavrakakis | |
517 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
518 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
519 | 2d762302 | Dimitris Aragiorgis | else:
|
520 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
521 | 2d762302 | Dimitris Aragiorgis | |
522 | 122c4019 | Christos Stavrakakis | depend_jobs = [depend_job] if depend_job else [] |
523 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
524 | 3524241a | Christos Stavrakakis | if group:
|
525 | b7d38981 | Dimitris Aragiorgis | client.ConnectNetwork(network.backend_id, group, network.mode, |
526 | 2d762302 | Dimitris Aragiorgis | network.link, conflicts_check, depend_jobs) |
527 | 3524241a | Christos Stavrakakis | else:
|
528 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
529 | b7d38981 | Dimitris Aragiorgis | client.ConnectNetwork(network.backend_id, group, network.mode, |
530 | 2d762302 | Dimitris Aragiorgis | network.link, conflicts_check, |
531 | 2d762302 | Dimitris Aragiorgis | depend_jobs) |
532 | 22ee6892 | Christos Stavrakakis | |
533 | 22ee6892 | Christos Stavrakakis | |
534 | 3524241a | Christos Stavrakakis | def delete_network(network, backends=None, disconnect=True): |
535 | 22ee6892 | Christos Stavrakakis | if not backends: |
536 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
537 | 22ee6892 | Christos Stavrakakis | |
538 | bf5c82dc | Christos Stavrakakis | log.debug("Deleting network %s from backends %s", network, backends)
|
539 | bf5c82dc | Christos Stavrakakis | |
540 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
541 | 3524241a | Christos Stavrakakis | disconnect_jobIDs = [] |
542 | 3524241a | Christos Stavrakakis | if disconnect:
|
543 | 3524241a | Christos Stavrakakis | disconnect_jobIDs = disconnect_network(network, backend) |
544 | 3524241a | Christos Stavrakakis | _delete_network(network, backend, disconnect_jobIDs) |
545 | 22ee6892 | Christos Stavrakakis | |
546 | 22ee6892 | Christos Stavrakakis | |
547 | 3524241a | Christos Stavrakakis | def _delete_network(network, backend, depend_jobs=[]): |
548 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
549 | 3524241a | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depend_jobs)
|
550 | 22ee6892 | Christos Stavrakakis | |
551 | 22ee6892 | Christos Stavrakakis | |
552 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
553 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
554 | 22ee6892 | Christos Stavrakakis | |
555 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
556 | 3524241a | Christos Stavrakakis | if group:
|
557 | 3524241a | Christos Stavrakakis | return [client.DisconnectNetwork(network.backend_id, group)]
|
558 | 3524241a | Christos Stavrakakis | else:
|
559 | 3524241a | Christos Stavrakakis | jobs = [] |
560 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
561 | 3524241a | Christos Stavrakakis | job = client.DisconnectNetwork(network.backend_id, group) |
562 | 3524241a | Christos Stavrakakis | jobs.append(job) |
563 | 3524241a | Christos Stavrakakis | return jobs
|
564 | 36f4cb29 | Christos Stavrakakis | |
565 | 36f4cb29 | Christos Stavrakakis | |
566 | 87920bc3 | Christos Stavrakakis | def connect_to_network(vm, network, address=None): |
567 | 3524241a | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
568 | 22ee6892 | Christos Stavrakakis | |
569 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting vm %s to network %s(%s)", vm, network, address)
|
570 | 22ee6892 | Christos Stavrakakis | |
571 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
572 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)], |
573 | 3524241a | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
574 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
575 | 22ee6892 | Christos Stavrakakis | |
576 | 22ee6892 | Christos Stavrakakis | |
577 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
578 | 3524241a | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
579 | 22ee6892 | Christos Stavrakakis | |
580 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
581 | 22ee6892 | Christos Stavrakakis | |
582 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
583 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=op,
|
584 | 3524241a | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
585 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
586 | 91826390 | Giorgos Verigakis | |
587 | c25cc9ec | Vangelis Koukis | |
588 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
589 | 26563957 | Giorgos Verigakis | try:
|
590 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
591 | 26563957 | Giorgos Verigakis | except KeyError: |
592 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
593 | 37ca953f | Christodoulos Psaltis | |
594 | bf5c82dc | Christos Stavrakakis | log.debug("Setting tag of VM %s to %s", vm, profile)
|
595 | bf5c82dc | Christos Stavrakakis | |
596 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
597 | 3524241a | Christos Stavrakakis | # Delete all firewall tags
|
598 | 3524241a | Christos Stavrakakis | for t in _firewall_tags.values(): |
599 | 3524241a | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], |
600 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
601 | 37ca953f | Christodoulos Psaltis | |
602 | 3524241a | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
603 | 9afeb669 | Kostas Papadimitriou | |
604 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
605 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
606 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
607 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
608 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
609 | 5eedb0e4 | Vangelis Koukis | |
610 | 41303ed0 | Vangelis Koukis | |
611 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_instances(backend=None, bulk=False): |
612 | 3524241a | Christos Stavrakakis | instances = [] |
613 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
614 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
615 | 3524241a | Christos Stavrakakis | instances.append(client.GetInstances(bulk=bulk)) |
616 | 3524241a | Christos Stavrakakis | |
617 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, instances, []) |
618 | f5b4f2a3 | Christos Stavrakakis | |
619 | f5b4f2a3 | Christos Stavrakakis | |
620 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_nodes(backend=None, bulk=False): |
621 | 3524241a | Christos Stavrakakis | nodes = [] |
622 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
623 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
624 | 3524241a | Christos Stavrakakis | nodes.append(client.GetNodes(bulk=bulk)) |
625 | 3524241a | Christos Stavrakakis | |
626 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, nodes, []) |
627 | f5b4f2a3 | Christos Stavrakakis | |
628 | f5b4f2a3 | Christos Stavrakakis | |
629 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_jobs(backend=None, bulk=False): |
630 | 3524241a | Christos Stavrakakis | jobs = [] |
631 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
632 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
633 | 3524241a | Christos Stavrakakis | jobs.append(client.GetJobs(bulk=bulk)) |
634 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, jobs, []) |
635 | f5b4f2a3 | Christos Stavrakakis | |
636 | f5b4f2a3 | Christos Stavrakakis | ##
|
637 | f5b4f2a3 | Christos Stavrakakis | ##
|
638 | f5b4f2a3 | Christos Stavrakakis | ##
|
639 | 1a894bfe | Christos Stavrakakis | |
640 | 1a894bfe | Christos Stavrakakis | |
641 | f5b4f2a3 | Christos Stavrakakis | def get_backends(backend=None): |
642 | f5b4f2a3 | Christos Stavrakakis | if backend:
|
643 | c414bc87 | Christos Stavrakakis | if backend.offline:
|
644 | c414bc87 | Christos Stavrakakis | return []
|
645 | f5b4f2a3 | Christos Stavrakakis | return [backend]
|
646 | cc7c0f44 | Christos Stavrakakis | return Backend.objects.filter(offline=False) |
647 | f5b4f2a3 | Christos Stavrakakis | |
648 | 17852fe9 | Giorgos Verigakis | |
649 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
650 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
651 | 1a894bfe | Christos Stavrakakis |
|
652 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
653 | 41303ed0 | Vangelis Koukis |
|
654 | 1a894bfe | Christos Stavrakakis | """
|
655 | 1a894bfe | Christos Stavrakakis | nodes = get_ganeti_nodes(backend, bulk=True)
|
656 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
657 | 1a894bfe | Christos Stavrakakis | res = {} |
658 | 1a894bfe | Christos Stavrakakis | for a in attr: |
659 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
660 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
661 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
662 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
663 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
664 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
665 | 1a894bfe | Christos Stavrakakis | for a in attr: |
666 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
667 | 1a894bfe | Christos Stavrakakis | return res
|
668 | 1a894bfe | Christos Stavrakakis | |
669 | 1a894bfe | Christos Stavrakakis | |
670 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
671 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
672 | 1a894bfe | Christos Stavrakakis |
|
673 | 1a894bfe | Christos Stavrakakis | """
|
674 | 17852fe9 | Giorgos Verigakis | |
675 | 1a894bfe | Christos Stavrakakis | if not resources: |
676 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
677 | 41303ed0 | Vangelis Koukis | |
678 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
679 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
680 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
681 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
682 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
683 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
684 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
685 | 1a894bfe | Christos Stavrakakis | backend.save() |
686 | 1a894bfe | Christos Stavrakakis | |
687 | 1a894bfe | Christos Stavrakakis | |
688 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
689 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
690 | 1a894bfe | Christos Stavrakakis |
|
691 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
692 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
693 | 1a894bfe | Christos Stavrakakis |
|
694 | 1a894bfe | Christos Stavrakakis | """
|
695 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
696 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
697 | 1a894bfe | Christos Stavrakakis | mem = 0
|
698 | 1a894bfe | Christos Stavrakakis | for i in instances: |
699 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
700 | 1a894bfe | Christos Stavrakakis | return mem
|
701 | b3d28af2 | Christos Stavrakakis | |
702 | b3d28af2 | Christos Stavrakakis | ##
|
703 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
704 | b3d28af2 | Christos Stavrakakis | ##
|
705 | b3d28af2 | Christos Stavrakakis | |
706 | b3d28af2 | Christos Stavrakakis | |
707 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
708 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
709 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
710 | b3d28af2 | Christos Stavrakakis | return result
|
711 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
712 | b3d28af2 | Christos Stavrakakis | return result
|
713 | b3d28af2 | Christos Stavrakakis | |
714 | b3d28af2 | Christos Stavrakakis | |
715 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
716 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
717 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
718 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
719 | 3524241a | Christos Stavrakakis | return result
|
720 | b3d28af2 | Christos Stavrakakis | |
721 | b3d28af2 | Christos Stavrakakis | |
722 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
723 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
724 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
725 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
726 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
727 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
728 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
729 | 3524241a | Christos Stavrakakis | return result
|
730 | b3d28af2 | Christos Stavrakakis | |
731 | b3d28af2 | Christos Stavrakakis | return result
|
732 | b3d28af2 | Christos Stavrakakis | |
733 | b3d28af2 | Christos Stavrakakis | |
734 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
735 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
736 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
737 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
738 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
739 | cc92b70f | Christos Stavrakakis | [result], None)
|
740 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
741 | b3d28af2 | Christos Stavrakakis | |
742 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
743 | b3d28af2 | Christos Stavrakakis | return (status, None) |
744 | b3d28af2 | Christos Stavrakakis | else:
|
745 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
746 | b3d28af2 | Christos Stavrakakis | return (status, error) |