root / snf-cyclades-app / synnefo / logic / backend.py @ df36a125
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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 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
34 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
35 | 1a894bfe | Christos Stavrakakis | from datetime import datetime |
36 | 207b70d5 | Giorgos Verigakis | |
37 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
38 | 3524241a | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES, |
39 | fd95834e | Christos Stavrakakis | pooled_rapi_client, VirtualMachineDiagnostic) |
40 | 03992c72 | Christos Stavrakakis | from synnefo.logic import utils |
41 | cb4eee84 | Christos Stavrakakis | from synnefo import quotas |
42 | b7d38981 | Dimitris Aragiorgis | from synnefo.api.util import release_resource |
43 | fd95834e | Christos Stavrakakis | from synnefo.util.mac2eui64 import mac2eui64 |
44 | 529178b1 | Giorgos Verigakis | |
45 | 3524241a | Christos Stavrakakis | from logging import getLogger |
46 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
47 | 9e98ba3c | Giorgos Verigakis | |
48 | 529178b1 | Giorgos Verigakis | |
49 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
50 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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51 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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52 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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53 | efff6193 | Giorgos Verigakis | |
54 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
55 | efff6193 | Giorgos Verigakis | |
56 | 02feca11 | Vassilios Karakoidas | |
57 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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58 | fd95834e | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None): |
59 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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60 | 02feca11 | Vassilios Karakoidas |
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61 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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62 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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63 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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64 | 02feca11 | Vassilios Karakoidas |
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65 | 02feca11 | Vassilios Karakoidas | """
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66 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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67 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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68 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
69 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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70 | 02feca11 | Vassilios Karakoidas | |
71 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
72 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
73 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
74 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
75 | 02feca11 | Vassilios Karakoidas | |
76 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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77 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
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78 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
79 | c4ce868e | Christos Stavrakakis | vm.operstate = state_for_success |
80 | 685b219e | Vangelis Koukis | |
81 | fd95834e | Christos Stavrakakis | # Update the NICs of the VM
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82 | fd95834e | Christos Stavrakakis | if status == "success" and nics is not None: |
83 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
84 | fd95834e | Christos Stavrakakis | |
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 | 40d53b77 | Christos Stavrakakis | _process_net_status(vm, etime, nics=[]) |
98 | e97288bc | Christos Stavrakakis | vm.deleted = True
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99 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
100 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
101 | 2509ce17 | Christos Stavrakakis | # Issue and accept commission to Quotaholder
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102 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(vm, delete=True)
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103 | 093f9c53 | Vangelis Koukis | |
104 | c4ce868e | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully completed,
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105 | c4ce868e | Christos Stavrakakis | # since only these jobs update the state of the VM. Else a "race condition"
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106 | c4ce868e | Christos Stavrakakis | # may occur when a successful job (e.g. OP_INSTANCE_REMOVE) completes
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107 | c4ce868e | Christos Stavrakakis | # before an error job and messages arrive in reversed order.
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108 | c4ce868e | Christos Stavrakakis | if status == 'success': |
109 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
110 | 02feca11 | Vassilios Karakoidas | |
111 | 02feca11 | Vassilios Karakoidas | vm.save() |
112 | 22e52ede | Vassilios Karakoidas | |
113 | ad2d6807 | Vangelis Koukis | |
114 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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115 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
116 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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117 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
118 | fd95834e | Christos Stavrakakis | |
119 | fd95834e | Christos Stavrakakis | |
120 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
121 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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122 | ad2d6807 | Vangelis Koukis |
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123 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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124 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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125 | ad2d6807 | Vangelis Koukis |
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126 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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127 | ad2d6807 | Vangelis Koukis | """
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128 | 37ca953f | Christodoulos Psaltis | |
129 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
130 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
131 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
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132 | 40d53b77 | Christos Stavrakakis | return
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133 | 40d53b77 | Christos Stavrakakis | |
134 | 40d53b77 | Christos Stavrakakis | # Get X-Lock on backend before getting X-Lock on network IP pools, to
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135 | 40d53b77 | Christos Stavrakakis | # guarantee that no deadlock will occur with Backend allocator.
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136 | 40d53b77 | Christos Stavrakakis | Backend.objects.select_for_update().get(id=vm.backend_id) |
137 | b578d9e7 | Christos Stavrakakis | |
138 | fdc94944 | Christos Stavrakakis | release_instance_nics(vm) |
139 | 77f0fa63 | Christos Stavrakakis | |
140 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
141 | b578d9e7 | Christos Stavrakakis | ipv4 = nic.get('ipv4', '') |
142 | f45a7ac4 | Christos Stavrakakis | net = nic['network']
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143 | b578d9e7 | Christos Stavrakakis | if ipv4:
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144 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
145 | b578d9e7 | Christos Stavrakakis | |
146 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
147 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
148 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
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149 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
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150 | b578d9e7 | Christos Stavrakakis | net.save() |
151 | b578d9e7 | Christos Stavrakakis | |
152 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
153 | b578d9e7 | Christos Stavrakakis | vm.save() |
154 | b578d9e7 | Christos Stavrakakis | |
155 | b578d9e7 | Christos Stavrakakis | |
156 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
157 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
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158 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
159 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
160 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
161 | 22ee6892 | Christos Stavrakakis | n = str(network)
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162 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
163 | 77f0fa63 | Christos Stavrakakis | |
164 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
165 | 77f0fa63 | Christos Stavrakakis | |
166 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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167 | 77f0fa63 | Christos Stavrakakis | mac = new_nic.get('mac', '') |
168 | 77f0fa63 | Christos Stavrakakis | ipv4 = new_nic.get('ip', '') |
169 | fd95834e | Christos Stavrakakis | if net.subnet6:
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170 | fd95834e | Christos Stavrakakis | ipv6 = mac2eui64(mac, net.subnet6) |
171 | fd95834e | Christos Stavrakakis | else:
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172 | fd95834e | Christos Stavrakakis | ipv6 = ''
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173 | 9afeb669 | Kostas Papadimitriou | |
174 | 77f0fa63 | Christos Stavrakakis | firewall = new_nic.get('firewall', '') |
175 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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176 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
177 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
178 | 9afeb669 | Kostas Papadimitriou | |
179 | b578d9e7 | Christos Stavrakakis | nic = { |
180 | cc92b70f | Christos Stavrakakis | 'index': i,
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181 | cc92b70f | Christos Stavrakakis | 'network': net,
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182 | cc92b70f | Christos Stavrakakis | 'mac': mac,
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183 | cc92b70f | Christos Stavrakakis | 'ipv4': ipv4,
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184 | cc92b70f | Christos Stavrakakis | 'ipv6': ipv6,
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185 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
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186 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
187 | b578d9e7 | Christos Stavrakakis | |
188 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
189 | b578d9e7 | Christos Stavrakakis | return new_nics
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190 | b578d9e7 | Christos Stavrakakis | |
191 | b578d9e7 | Christos Stavrakakis | |
192 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
193 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
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194 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
195 | b578d9e7 | Christos Stavrakakis | return True |
196 | be4d8aed | Christos Stavrakakis | fields = ["ipv4", "ipv6", "mac", "firewall_profile", "index", "network"] |
197 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
198 | be4d8aed | Christos Stavrakakis | for field in fields: |
199 | be4d8aed | Christos Stavrakakis | if getattr(old_nic, field) != new_nic[field]: |
200 | be4d8aed | Christos Stavrakakis | return True |
201 | b578d9e7 | Christos Stavrakakis | return False |
202 | 22ee6892 | Christos Stavrakakis | |
203 | 22ee6892 | Christos Stavrakakis | |
204 | bd392934 | Christos Stavrakakis | def release_instance_nics(vm): |
205 | bd392934 | Christos Stavrakakis | for nic in vm.nics.all(): |
206 | 40ef487d | Christos Stavrakakis | net = nic.network |
207 | fa454545 | Christos Stavrakakis | if nic.ipv4:
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208 | 40ef487d | Christos Stavrakakis | net.release_address(nic.ipv4) |
209 | bd392934 | Christos Stavrakakis | nic.delete() |
210 | 40ef487d | Christos Stavrakakis | net.save() |
211 | bd392934 | Christos Stavrakakis | |
212 | bd392934 | Christos Stavrakakis | |
213 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
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214 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
215 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
216 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
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217 | 22ee6892 | Christos Stavrakakis | |
218 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
219 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
220 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
221 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
222 | 22ee6892 | Christos Stavrakakis | |
223 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
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224 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
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225 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
226 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
227 | 22ee6892 | Christos Stavrakakis | |
228 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
229 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
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230 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
231 | 22ee6892 | Christos Stavrakakis | |
232 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
233 | e97288bc | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
234 | e97288bc | Christos Stavrakakis | back_network.operstate == 'ERROR'):
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235 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
236 | e97288bc | Christos Stavrakakis | back_network.deleted = True
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237 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
238 | 22ee6892 | Christos Stavrakakis | |
239 | e97288bc | Christos Stavrakakis | if status == 'success': |
240 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
241 | 22ee6892 | Christos Stavrakakis | back_network.save() |
242 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
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243 | 4d5d0b9c | Christos Stavrakakis | update_network_state(back_network.network) |
244 | fd2bdbb2 | Christos Stavrakakis | |
245 | fd2bdbb2 | Christos Stavrakakis | |
246 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
247 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
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248 | cb4eee84 | Christos Stavrakakis |
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249 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
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250 | 99af08a4 | Christos Stavrakakis | backends that network exists.
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251 | 99af08a4 | Christos Stavrakakis |
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252 | 99af08a4 | Christos Stavrakakis | The state of the network is:
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253 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
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254 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
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255 | 99af08a4 | Christos Stavrakakis |
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256 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
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257 | 99af08a4 | Christos Stavrakakis | quotas for the network.
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258 | 99af08a4 | Christos Stavrakakis |
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259 | 99af08a4 | Christos Stavrakakis | """
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260 | 99af08a4 | Christos Stavrakakis | if network.deleted:
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261 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
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262 | 99af08a4 | Christos Stavrakakis | # DELETED
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263 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
264 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
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265 | 99af08a4 | Christos Stavrakakis | network.save() |
266 | cb4eee84 | Christos Stavrakakis | return
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267 | cb4eee84 | Christos Stavrakakis | |
268 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
269 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
270 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
271 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
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272 | 99af08a4 | Christos Stavrakakis | network.save() |
273 | 99af08a4 | Christos Stavrakakis | return
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274 | 99af08a4 | Christos Stavrakakis | |
275 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
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276 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
277 | 27cda06b | Christos Stavrakakis | "DELETED")
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278 | 99af08a4 | Christos Stavrakakis | |
279 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
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280 | 99af08a4 | Christos Stavrakakis | if deleted:
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281 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
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282 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
283 | cb4eee84 | Christos Stavrakakis | network.deleted = True
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284 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
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285 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
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286 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
287 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
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288 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
289 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
290 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
291 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
292 | cb4eee84 | Christos Stavrakakis | |
293 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
294 | e18c1749 | Christos Stavrakakis | if network.userid:
|
295 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(network, delete=True)
|
296 | e18c1749 | Christos Stavrakakis | elif not network.public: |
297 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
298 | cb4eee84 | Christos Stavrakakis | network.save() |
299 | cb4eee84 | Christos Stavrakakis | |
300 | cb4eee84 | Christos Stavrakakis | |
301 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
302 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
303 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
304 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
305 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
306 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
307 | fd2bdbb2 | Christos Stavrakakis | |
308 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
309 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
310 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
311 | fd2bdbb2 | Christos Stavrakakis | |
312 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
313 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
314 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
315 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
316 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
317 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
318 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
319 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
320 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
321 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
322 | fd2bdbb2 | Christos Stavrakakis | |
323 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
324 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
325 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
326 | ad2d6807 | Vangelis Koukis | |
327 | c25cc9ec | Vangelis Koukis | |
328 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
329 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
330 | 9068cd85 | Georgios Gousios | |
331 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
332 | 9068cd85 | Georgios Gousios | |
333 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
334 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
335 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
336 | af90d919 | Vangelis Koukis | if percentage < 0: |
337 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
338 | 9068cd85 | Georgios Gousios | |
339 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
340 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
341 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
342 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
343 | 9068cd85 | Georgios Gousios | |
344 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
345 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
346 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
347 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
348 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
349 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
350 | c25cc9ec | Vangelis Koukis | #
|
351 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
352 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
353 | 9068cd85 | Georgios Gousios | |
354 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
355 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
356 | 9068cd85 | Georgios Gousios | vm.save() |
357 | ad2d6807 | Vangelis Koukis | |
358 | c25cc9ec | Vangelis Koukis | |
359 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
360 | cc92b70f | Christos Stavrakakis | details=None):
|
361 | 7d43565f | Kostas Papadimitriou | """
|
362 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
363 | 7d43565f | Kostas Papadimitriou |
|
364 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
365 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
366 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
367 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
368 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
369 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
370 | 7d43565f | Kostas Papadimitriou | """
|
371 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
372 | cc92b70f | Christos Stavrakakis | source_date=etime, |
373 | cc92b70f | Christos Stavrakakis | message=message, |
374 | cc92b70f | Christos Stavrakakis | details=details) |
375 | 7d43565f | Kostas Papadimitriou | |
376 | 7d43565f | Kostas Papadimitriou | |
377 | 8528b8ac | Christos Stavrakakis | def create_instance(vm, public_nic, flavor, image): |
378 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
379 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
380 | 7f691719 | Christos Stavrakakis |
|
381 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
382 | 3a9b3cde | Giorgos Verigakis | """
|
383 | 864bed43 | Christos Stavrakakis | |
384 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
385 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
386 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
387 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
388 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
389 | 1c382247 | Vangelis Koukis | #
|
390 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
391 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
392 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
393 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
394 | 296682fe | Kostas Papadimitriou | |
395 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
396 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
397 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
398 | 296682fe | Kostas Papadimitriou | if provider:
|
399 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
400 | b2222a7f | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
401 | 296682fe | Kostas Papadimitriou | |
402 | adc46059 | Christos Stavrakakis | kw['nics'] = [public_nic]
|
403 | bd87213f | Christos Stavrakakis | if vm.backend.use_hotplug():
|
404 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
405 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
406 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
407 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
408 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
409 | 79b7dbb7 | Christos Stavrakakis | |
410 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
411 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
412 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
413 | 79b7dbb7 | Christos Stavrakakis | |
414 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
415 | 41303ed0 | Vangelis Koukis | |
416 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
417 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
418 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
419 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
420 | 79b7dbb7 | Christos Stavrakakis | |
421 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
422 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
423 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
424 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
425 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
426 | d1eaa651 | Christos Stavrakakis | |
427 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
428 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
429 | 79b7dbb7 | Christos Stavrakakis | |
430 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
431 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
432 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
433 | f533f224 | Vangelis Koukis | |
434 | 529178b1 | Giorgos Verigakis | |
435 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
436 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
437 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
438 | 529178b1 | Giorgos Verigakis | |
439 | ad2d6807 | Vangelis Koukis | |
440 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
441 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
442 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
443 | bf5c82dc | Christos Stavrakakis | return client.RebootInstance(vm.backend_vm_id, reboot_type,
|
444 | bf5c82dc | Christos Stavrakakis | dry_run=settings.TEST) |
445 | 529178b1 | Giorgos Verigakis | |
446 | ad2d6807 | Vangelis Koukis | |
447 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
448 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
449 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
450 | 529178b1 | Giorgos Verigakis | |
451 | ad2d6807 | Vangelis Koukis | |
452 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
453 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
454 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
455 | 529178b1 | Giorgos Verigakis | |
456 | ad2d6807 | Vangelis Koukis | |
457 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
458 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
459 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
460 | 71099804 | Vangelis Koukis | # useless (see #783).
|
461 | 71099804 | Vangelis Koukis | #
|
462 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
463 | 71099804 | Vangelis Koukis | # directly.
|
464 | 9afeb669 | Kostas Papadimitriou | #
|
465 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
466 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
467 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
468 | 71099804 | Vangelis Koukis | #
|
469 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
470 | bf5c82dc | Christos Stavrakakis | |
471 | 71099804 | Vangelis Koukis | console = {} |
472 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
473 | 3524241a | Christos Stavrakakis | |
474 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
475 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
476 | 3524241a | Christos Stavrakakis | |
477 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
478 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
479 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
480 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
481 | 9afeb669 | Kostas Papadimitriou | |
482 | 71099804 | Vangelis Koukis | return console
|
483 | 604b2bf8 | Georgios Gousios | |
484 | 604b2bf8 | Georgios Gousios | |
485 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
486 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
487 | 3524241a | Christos Stavrakakis | return client.GetInstanceInfo(vm.backend_vm_id)
|
488 | f533f224 | Vangelis Koukis | |
489 | c25cc9ec | Vangelis Koukis | |
490 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
491 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
492 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
493 | 64938cb0 | Giorgos Verigakis | |
494 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
495 | c25cc9ec | Vangelis Koukis | |
496 | 99af08a4 | Christos Stavrakakis | if connect:
|
497 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
498 | 99af08a4 | Christos Stavrakakis | return job_ids
|
499 | 99af08a4 | Christos Stavrakakis | else:
|
500 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
501 | 37ca953f | Christodoulos Psaltis | |
502 | 64938cb0 | Giorgos Verigakis | |
503 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
504 | 3524241a | Christos Stavrakakis | """Create a network."""
|
505 | c25cc9ec | Vangelis Koukis | |
506 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
507 | 22ee6892 | Christos Stavrakakis | |
508 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
509 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
510 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
511 | 2d762302 | Dimitris Aragiorgis | |
512 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
513 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
514 | 2d762302 | Dimitris Aragiorgis | else:
|
515 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
516 | 22ee6892 | Christos Stavrakakis | |
517 | 3524241a | Christos Stavrakakis | try:
|
518 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
519 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
520 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
521 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
522 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
523 | 3524241a | Christos Stavrakakis | |
524 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
525 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
526 | 3524241a | Christos Stavrakakis | network=network.subnet, |
527 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
528 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
529 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
530 | 3524241a | Christos Stavrakakis | network_type=network_type, |
531 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
532 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
533 | 3524241a | Christos Stavrakakis | tags=tags) |
534 | 3524241a | Christos Stavrakakis | |
535 | 3524241a | Christos Stavrakakis | |
536 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
537 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
538 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
539 | bf5c82dc | Christos Stavrakakis | |
540 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
541 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
542 | 2d762302 | Dimitris Aragiorgis | else:
|
543 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
544 | 2d762302 | Dimitris Aragiorgis | |
545 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
546 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
547 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
548 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
549 | 99af08a4 | Christos Stavrakakis | for group in groups: |
550 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
551 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
552 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
553 | 99af08a4 | Christos Stavrakakis | depends=depends) |
554 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
555 | 99af08a4 | Christos Stavrakakis | return job_ids
|
556 | 22ee6892 | Christos Stavrakakis | |
557 | 22ee6892 | Christos Stavrakakis | |
558 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
559 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
560 | 22ee6892 | Christos Stavrakakis | |
561 | 99af08a4 | Christos Stavrakakis | depends = [] |
562 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
563 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
564 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
565 | bf5c82dc | Christos Stavrakakis | |
566 | 22ee6892 | Christos Stavrakakis | |
567 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
568 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
569 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
570 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
571 | 22ee6892 | Christos Stavrakakis | |
572 | 22ee6892 | Christos Stavrakakis | |
573 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
574 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
575 | 22ee6892 | Christos Stavrakakis | |
576 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
577 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
578 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
579 | 99af08a4 | Christos Stavrakakis | for group in groups: |
580 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
581 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
582 | 99af08a4 | Christos Stavrakakis | return job_ids
|
583 | 36f4cb29 | Christos Stavrakakis | |
584 | 36f4cb29 | Christos Stavrakakis | |
585 | 87920bc3 | Christos Stavrakakis | def connect_to_network(vm, network, address=None): |
586 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
587 | acfc71ef | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network.id) |
588 | 99af08a4 | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
589 | 99af08a4 | Christos Stavrakakis | network=network) |
590 | 99af08a4 | Christos Stavrakakis | depend_jobs = [] |
591 | 99af08a4 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
592 | 99af08a4 | Christos Stavrakakis | depend_jobs = create_network(network, backend, connect=True)
|
593 | 99af08a4 | Christos Stavrakakis | |
594 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depend_jobs] |
595 | 99af08a4 | Christos Stavrakakis | |
596 | 3524241a | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
597 | 22ee6892 | Christos Stavrakakis | |
598 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting vm %s to network %s(%s)", vm, network, address)
|
599 | 22ee6892 | Christos Stavrakakis | |
600 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
601 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)], |
602 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
603 | 99af08a4 | Christos Stavrakakis | depends=depends, |
604 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
605 | 22ee6892 | Christos Stavrakakis | |
606 | 22ee6892 | Christos Stavrakakis | |
607 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
608 | 3524241a | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
609 | 22ee6892 | Christos Stavrakakis | |
610 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
611 | 22ee6892 | Christos Stavrakakis | |
612 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
613 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=op,
|
614 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
615 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
616 | 91826390 | Giorgos Verigakis | |
617 | c25cc9ec | Vangelis Koukis | |
618 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
619 | 26563957 | Giorgos Verigakis | try:
|
620 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
621 | 26563957 | Giorgos Verigakis | except KeyError: |
622 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
623 | 37ca953f | Christodoulos Psaltis | |
624 | bf5c82dc | Christos Stavrakakis | log.debug("Setting tag of VM %s to %s", vm, profile)
|
625 | bf5c82dc | Christos Stavrakakis | |
626 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
627 | 3524241a | Christos Stavrakakis | # Delete all firewall tags
|
628 | 3524241a | Christos Stavrakakis | for t in _firewall_tags.values(): |
629 | 3524241a | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], |
630 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
631 | 37ca953f | Christodoulos Psaltis | |
632 | 3524241a | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
633 | 9afeb669 | Kostas Papadimitriou | |
634 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
635 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
636 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
637 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
638 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
639 | 5eedb0e4 | Vangelis Koukis | |
640 | 41303ed0 | Vangelis Koukis | |
641 | e77a29ab | Christos Stavrakakis | def get_instances(backend, bulk=True): |
642 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
643 | e77a29ab | Christos Stavrakakis | return c.GetInstances(bulk=bulk)
|
644 | d986cb32 | Christos Stavrakakis | |
645 | f5b4f2a3 | Christos Stavrakakis | |
646 | e77a29ab | Christos Stavrakakis | def get_nodes(backend, bulk=True): |
647 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
648 | e77a29ab | Christos Stavrakakis | return c.GetNodes(bulk=bulk)
|
649 | 1a894bfe | Christos Stavrakakis | |
650 | 1a894bfe | Christos Stavrakakis | |
651 | e77a29ab | Christos Stavrakakis | def get_jobs(backend): |
652 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
653 | e77a29ab | Christos Stavrakakis | return c.GetJobs()
|
654 | f5b4f2a3 | Christos Stavrakakis | |
655 | 17852fe9 | Giorgos Verigakis | |
656 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
657 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
658 | 1a894bfe | Christos Stavrakakis |
|
659 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
660 | 41303ed0 | Vangelis Koukis |
|
661 | 1a894bfe | Christos Stavrakakis | """
|
662 | e77a29ab | Christos Stavrakakis | nodes = get_nodes(backend, bulk=True)
|
663 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
664 | 1a894bfe | Christos Stavrakakis | res = {} |
665 | 1a894bfe | Christos Stavrakakis | for a in attr: |
666 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
667 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
668 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
669 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
670 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
671 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
672 | 1a894bfe | Christos Stavrakakis | for a in attr: |
673 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
674 | 1a894bfe | Christos Stavrakakis | return res
|
675 | 1a894bfe | Christos Stavrakakis | |
676 | 1a894bfe | Christos Stavrakakis | |
677 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
678 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
679 | 1a894bfe | Christos Stavrakakis |
|
680 | 1a894bfe | Christos Stavrakakis | """
|
681 | 17852fe9 | Giorgos Verigakis | |
682 | 1a894bfe | Christos Stavrakakis | if not resources: |
683 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
684 | 41303ed0 | Vangelis Koukis | |
685 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
686 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
687 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
688 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
689 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
690 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
691 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
692 | 1a894bfe | Christos Stavrakakis | backend.save() |
693 | 1a894bfe | Christos Stavrakakis | |
694 | 1a894bfe | Christos Stavrakakis | |
695 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
696 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
697 | 1a894bfe | Christos Stavrakakis |
|
698 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
699 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
700 | 1a894bfe | Christos Stavrakakis |
|
701 | 1a894bfe | Christos Stavrakakis | """
|
702 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
703 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
704 | 1a894bfe | Christos Stavrakakis | mem = 0
|
705 | 1a894bfe | Christos Stavrakakis | for i in instances: |
706 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
707 | 1a894bfe | Christos Stavrakakis | return mem
|
708 | b3d28af2 | Christos Stavrakakis | |
709 | b3d28af2 | Christos Stavrakakis | ##
|
710 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
711 | b3d28af2 | Christos Stavrakakis | ##
|
712 | b3d28af2 | Christos Stavrakakis | |
713 | b3d28af2 | Christos Stavrakakis | |
714 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
715 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
716 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
717 | b3d28af2 | Christos Stavrakakis | return result
|
718 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
719 | b3d28af2 | Christos Stavrakakis | return result
|
720 | b3d28af2 | Christos Stavrakakis | |
721 | b3d28af2 | Christos Stavrakakis | |
722 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
723 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
724 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
725 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
726 | 3524241a | Christos Stavrakakis | return result
|
727 | b3d28af2 | Christos Stavrakakis | |
728 | b3d28af2 | Christos Stavrakakis | |
729 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
730 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
731 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
732 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
733 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
734 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
735 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
736 | 3524241a | Christos Stavrakakis | return result
|
737 | b3d28af2 | Christos Stavrakakis | |
738 | b3d28af2 | Christos Stavrakakis | return result
|
739 | b3d28af2 | Christos Stavrakakis | |
740 | b3d28af2 | Christos Stavrakakis | |
741 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
742 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
743 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
744 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
745 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
746 | cc92b70f | Christos Stavrakakis | [result], None)
|
747 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
748 | b3d28af2 | Christos Stavrakakis | |
749 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
750 | b3d28af2 | Christos Stavrakakis | return (status, None) |
751 | b3d28af2 | Christos Stavrakakis | else:
|
752 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
753 | b3d28af2 | Christos Stavrakakis | return (status, error) |