root / snf-cyclades-app / synnefo / logic / backend.py @ d9b5b020
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1 | db3037f1 | Giorgos Korfiatis | # Copyright 2011-2013 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 | 01f5f8d9 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError, JOB_STATUS_FINALIZED |
45 | 529178b1 | Giorgos Verigakis | |
46 | 3524241a | Christos Stavrakakis | from logging import getLogger |
47 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
48 | 9e98ba3c | Giorgos Verigakis | |
49 | 529178b1 | Giorgos Verigakis | |
50 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
51 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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52 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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53 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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54 | efff6193 | Giorgos Verigakis | |
55 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
56 | efff6193 | Giorgos Verigakis | |
57 | 02feca11 | Vassilios Karakoidas | |
58 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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59 | fd95834e | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None): |
60 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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61 | 02feca11 | Vassilios Karakoidas |
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62 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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63 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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64 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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65 | 02feca11 | Vassilios Karakoidas |
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66 | 02feca11 | Vassilios Karakoidas | """
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67 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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68 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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69 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
70 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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71 | 02feca11 | Vassilios Karakoidas | |
72 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
73 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
74 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
75 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
76 | 02feca11 | Vassilios Karakoidas | |
77 | 32a0b855 | Giorgos Korfiatis | # Update backendtime only for jobs that have been successfully completed,
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78 | 32a0b855 | Giorgos Korfiatis | # since only these jobs update the state of the VM. Else a "race condition"
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79 | 32a0b855 | Giorgos Korfiatis | # may occur when a successful job (e.g. OP_INSTANCE_REMOVE) completes
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80 | 32a0b855 | Giorgos Korfiatis | # before an error job and messages arrive in reversed order.
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81 | 32a0b855 | Giorgos Korfiatis | if status == 'success': |
82 | 32a0b855 | Giorgos Korfiatis | vm.backendtime = etime |
83 | 32a0b855 | Giorgos Korfiatis | |
84 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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85 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
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86 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
87 | c4ce868e | Christos Stavrakakis | vm.operstate = state_for_success |
88 | 685b219e | Vangelis Koukis | |
89 | fd95834e | Christos Stavrakakis | # Update the NICs of the VM
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90 | fd95834e | Christos Stavrakakis | if status == "success" and nics is not None: |
91 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
92 | fd95834e | Christos Stavrakakis | |
93 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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94 | cb4eee84 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in ('canceled', 'error'): |
95 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
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96 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
97 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
98 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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99 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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100 | 198d91c3 | Christos Stavrakakis | if status == "success" or (status == "error" and |
101 | 198d91c3 | Christos Stavrakakis | not vm_exists_in_backend(vm)):
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102 | 40d53b77 | Christos Stavrakakis | _process_net_status(vm, etime, nics=[]) |
103 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
104 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
105 | 25891abc | Christos Stavrakakis | if not vm.deleted: |
106 | 25891abc | Christos Stavrakakis | vm.deleted = True
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107 | 25891abc | Christos Stavrakakis | # Issue and accept commission to Quotaholder
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108 | db3037f1 | Giorgos Korfiatis | quotas.issue_and_accept_commission(vm, delete=True)
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109 | 32a0b855 | Giorgos Korfiatis | # the above has already saved the object and committed;
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110 | 32a0b855 | Giorgos Korfiatis | # a second save would override others' changes, since the
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111 | 32a0b855 | Giorgos Korfiatis | # object is now unlocked
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112 | 32a0b855 | Giorgos Korfiatis | return
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113 | 02feca11 | Vassilios Karakoidas | |
114 | 02feca11 | Vassilios Karakoidas | vm.save() |
115 | 22e52ede | Vassilios Karakoidas | |
116 | ad2d6807 | Vangelis Koukis | |
117 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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118 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
119 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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120 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
121 | fd95834e | Christos Stavrakakis | |
122 | fd95834e | Christos Stavrakakis | |
123 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
124 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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125 | ad2d6807 | Vangelis Koukis |
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126 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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127 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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128 | ad2d6807 | Vangelis Koukis |
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129 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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130 | ad2d6807 | Vangelis Koukis | """
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131 | 37ca953f | Christodoulos Psaltis | |
132 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
133 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
134 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
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135 | 40d53b77 | Christos Stavrakakis | return
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136 | 40d53b77 | Christos Stavrakakis | |
137 | 40d53b77 | Christos Stavrakakis | # Get X-Lock on backend before getting X-Lock on network IP pools, to
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138 | 40d53b77 | Christos Stavrakakis | # guarantee that no deadlock will occur with Backend allocator.
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139 | 40d53b77 | Christos Stavrakakis | Backend.objects.select_for_update().get(id=vm.backend_id) |
140 | b578d9e7 | Christos Stavrakakis | |
141 | fdc94944 | Christos Stavrakakis | release_instance_nics(vm) |
142 | 77f0fa63 | Christos Stavrakakis | |
143 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
144 | b578d9e7 | Christos Stavrakakis | ipv4 = nic.get('ipv4', '') |
145 | f45a7ac4 | Christos Stavrakakis | net = nic['network']
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146 | b578d9e7 | Christos Stavrakakis | if ipv4:
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147 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
148 | b578d9e7 | Christos Stavrakakis | |
149 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
150 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
151 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
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152 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
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153 | b578d9e7 | Christos Stavrakakis | net.save() |
154 | b578d9e7 | Christos Stavrakakis | |
155 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
156 | b578d9e7 | Christos Stavrakakis | vm.save() |
157 | b578d9e7 | Christos Stavrakakis | |
158 | b578d9e7 | Christos Stavrakakis | |
159 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
160 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
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161 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
162 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
163 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
164 | 22ee6892 | Christos Stavrakakis | n = str(network)
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165 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
166 | 77f0fa63 | Christos Stavrakakis | |
167 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
168 | 77f0fa63 | Christos Stavrakakis | |
169 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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170 | 77f0fa63 | Christos Stavrakakis | mac = new_nic.get('mac', '') |
171 | 77f0fa63 | Christos Stavrakakis | ipv4 = new_nic.get('ip', '') |
172 | fd95834e | Christos Stavrakakis | if net.subnet6:
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173 | fd95834e | Christos Stavrakakis | ipv6 = mac2eui64(mac, net.subnet6) |
174 | fd95834e | Christos Stavrakakis | else:
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175 | fd95834e | Christos Stavrakakis | ipv6 = ''
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176 | 9afeb669 | Kostas Papadimitriou | |
177 | 77f0fa63 | Christos Stavrakakis | firewall = new_nic.get('firewall', '') |
178 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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179 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
180 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
181 | 9afeb669 | Kostas Papadimitriou | |
182 | b578d9e7 | Christos Stavrakakis | nic = { |
183 | cc92b70f | Christos Stavrakakis | 'index': i,
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184 | cc92b70f | Christos Stavrakakis | 'network': net,
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185 | cc92b70f | Christos Stavrakakis | 'mac': mac,
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186 | cc92b70f | Christos Stavrakakis | 'ipv4': ipv4,
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187 | cc92b70f | Christos Stavrakakis | 'ipv6': ipv6,
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188 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
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189 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
190 | b578d9e7 | Christos Stavrakakis | |
191 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
192 | b578d9e7 | Christos Stavrakakis | return new_nics
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193 | b578d9e7 | Christos Stavrakakis | |
194 | b578d9e7 | Christos Stavrakakis | |
195 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
196 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
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197 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
198 | b578d9e7 | Christos Stavrakakis | return True |
199 | be4d8aed | Christos Stavrakakis | fields = ["ipv4", "ipv6", "mac", "firewall_profile", "index", "network"] |
200 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
201 | be4d8aed | Christos Stavrakakis | for field in fields: |
202 | be4d8aed | Christos Stavrakakis | if getattr(old_nic, field) != new_nic[field]: |
203 | be4d8aed | Christos Stavrakakis | return True |
204 | b578d9e7 | Christos Stavrakakis | return False |
205 | 22ee6892 | Christos Stavrakakis | |
206 | 22ee6892 | Christos Stavrakakis | |
207 | bd392934 | Christos Stavrakakis | def release_instance_nics(vm): |
208 | bd392934 | Christos Stavrakakis | for nic in vm.nics.all(): |
209 | 40ef487d | Christos Stavrakakis | net = nic.network |
210 | fa454545 | Christos Stavrakakis | if nic.ipv4:
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211 | 40ef487d | Christos Stavrakakis | net.release_address(nic.ipv4) |
212 | bd392934 | Christos Stavrakakis | nic.delete() |
213 | 40ef487d | Christos Stavrakakis | net.save() |
214 | bd392934 | Christos Stavrakakis | |
215 | bd392934 | Christos Stavrakakis | |
216 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
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217 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
218 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
219 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
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220 | 22ee6892 | Christos Stavrakakis | |
221 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
222 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
223 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
224 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
225 | 22ee6892 | Christos Stavrakakis | |
226 | 05146623 | Christos Stavrakakis | network = back_network.network |
227 | 05146623 | Christos Stavrakakis | |
228 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
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229 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
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230 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
231 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
232 | 22ee6892 | Christos Stavrakakis | |
233 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
234 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
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235 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
236 | 22ee6892 | Christos Stavrakakis | |
237 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
238 | 198d91c3 | Christos Stavrakakis | network_is_deleted = (status == "success")
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239 | 198d91c3 | Christos Stavrakakis | if network_is_deleted or (status == "error" and not |
240 | 198d91c3 | Christos Stavrakakis | network_exists_in_backend(back_network)): |
241 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
242 | e97288bc | Christos Stavrakakis | back_network.deleted = True
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243 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
244 | 22ee6892 | Christos Stavrakakis | |
245 | e97288bc | Christos Stavrakakis | if status == 'success': |
246 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
247 | 22ee6892 | Christos Stavrakakis | back_network.save() |
248 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
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249 | 05146623 | Christos Stavrakakis | update_network_state(network) |
250 | fd2bdbb2 | Christos Stavrakakis | |
251 | fd2bdbb2 | Christos Stavrakakis | |
252 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
253 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
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254 | cb4eee84 | Christos Stavrakakis |
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255 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
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256 | 99af08a4 | Christos Stavrakakis | backends that network exists.
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257 | 99af08a4 | Christos Stavrakakis |
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258 | 99af08a4 | Christos Stavrakakis | The state of the network is:
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259 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
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260 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
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261 | 99af08a4 | Christos Stavrakakis |
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262 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
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263 | 99af08a4 | Christos Stavrakakis | quotas for the network.
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264 | 99af08a4 | Christos Stavrakakis |
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265 | 99af08a4 | Christos Stavrakakis | """
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266 | 99af08a4 | Christos Stavrakakis | if network.deleted:
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267 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
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268 | 99af08a4 | Christos Stavrakakis | # DELETED
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269 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
270 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
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271 | 99af08a4 | Christos Stavrakakis | network.save() |
272 | cb4eee84 | Christos Stavrakakis | return
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273 | cb4eee84 | Christos Stavrakakis | |
274 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
275 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
276 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
277 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
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278 | 99af08a4 | Christos Stavrakakis | network.save() |
279 | 99af08a4 | Christos Stavrakakis | return
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280 | 99af08a4 | Christos Stavrakakis | |
281 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
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282 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
283 | 27cda06b | Christos Stavrakakis | "DELETED")
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284 | 99af08a4 | Christos Stavrakakis | |
285 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
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286 | 99af08a4 | Christos Stavrakakis | if deleted:
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287 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
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288 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
289 | cb4eee84 | Christos Stavrakakis | network.deleted = True
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290 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
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291 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
|
292 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
293 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
|
294 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
295 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
296 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
297 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
298 | cb4eee84 | Christos Stavrakakis | |
299 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
300 | e18c1749 | Christos Stavrakakis | if network.userid:
|
301 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(network, delete=True)
|
302 | 32a0b855 | Giorgos Korfiatis | # the above has already saved the object and committed;
|
303 | 32a0b855 | Giorgos Korfiatis | # a second save would override others' changes, since the
|
304 | 32a0b855 | Giorgos Korfiatis | # object is now unlocked
|
305 | 32a0b855 | Giorgos Korfiatis | return
|
306 | e18c1749 | Christos Stavrakakis | elif not network.public: |
307 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
308 | cb4eee84 | Christos Stavrakakis | network.save() |
309 | cb4eee84 | Christos Stavrakakis | |
310 | cb4eee84 | Christos Stavrakakis | |
311 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
312 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
313 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
314 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
315 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
316 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
317 | fd2bdbb2 | Christos Stavrakakis | |
318 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
319 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
320 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
321 | fd2bdbb2 | Christos Stavrakakis | |
322 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
323 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
324 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
325 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
326 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
327 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
328 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
329 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
330 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
331 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
332 | fd2bdbb2 | Christos Stavrakakis | |
333 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
334 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
335 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
336 | ad2d6807 | Vangelis Koukis | |
337 | c25cc9ec | Vangelis Koukis | |
338 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
339 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
340 | 9068cd85 | Georgios Gousios | |
341 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
342 | 9068cd85 | Georgios Gousios | |
343 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
344 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
345 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
346 | af90d919 | Vangelis Koukis | if percentage < 0: |
347 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
348 | 9068cd85 | Georgios Gousios | |
349 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
350 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
351 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
352 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
353 | 9068cd85 | Georgios Gousios | |
354 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
355 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
356 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
357 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
358 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
359 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
360 | c25cc9ec | Vangelis Koukis | #
|
361 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
362 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
363 | 9068cd85 | Georgios Gousios | |
364 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
365 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
366 | 9068cd85 | Georgios Gousios | vm.save() |
367 | ad2d6807 | Vangelis Koukis | |
368 | c25cc9ec | Vangelis Koukis | |
369 | 952b2a48 | Christos Stavrakakis | @transaction.commit_on_success
|
370 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
371 | cc92b70f | Christos Stavrakakis | details=None):
|
372 | 7d43565f | Kostas Papadimitriou | """
|
373 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
374 | 7d43565f | Kostas Papadimitriou |
|
375 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
376 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
377 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
378 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
379 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
380 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
381 | 7d43565f | Kostas Papadimitriou | """
|
382 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
383 | cc92b70f | Christos Stavrakakis | source_date=etime, |
384 | cc92b70f | Christos Stavrakakis | message=message, |
385 | cc92b70f | Christos Stavrakakis | details=details) |
386 | 7d43565f | Kostas Papadimitriou | |
387 | 7d43565f | Kostas Papadimitriou | |
388 | 8528b8ac | Christos Stavrakakis | def create_instance(vm, public_nic, flavor, image): |
389 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
390 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
391 | 7f691719 | Christos Stavrakakis |
|
392 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
393 | 3a9b3cde | Giorgos Verigakis | """
|
394 | 864bed43 | Christos Stavrakakis | |
395 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
396 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
397 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
398 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
399 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
400 | 1c382247 | Vangelis Koukis | #
|
401 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
402 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
403 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
404 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
405 | 296682fe | Kostas Papadimitriou | |
406 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
407 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
408 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
409 | 296682fe | Kostas Papadimitriou | if provider:
|
410 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
411 | b2222a7f | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
412 | 296682fe | Kostas Papadimitriou | |
413 | adc46059 | Christos Stavrakakis | kw['nics'] = [public_nic]
|
414 | bd87213f | Christos Stavrakakis | if vm.backend.use_hotplug():
|
415 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
416 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
417 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
418 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
419 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
420 | 79b7dbb7 | Christos Stavrakakis | |
421 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
422 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
423 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
424 | 79b7dbb7 | Christos Stavrakakis | |
425 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
426 | 41303ed0 | Vangelis Koukis | |
427 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
428 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
429 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
430 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
431 | 79b7dbb7 | Christos Stavrakakis | |
432 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
433 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
434 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
435 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
436 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
437 | d1eaa651 | Christos Stavrakakis | |
438 | b36d45e6 | Christos Stavrakakis | # Use opportunistic locking
|
439 | b36d45e6 | Christos Stavrakakis | kw['opportunistic_locking'] = True |
440 | b36d45e6 | Christos Stavrakakis | |
441 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
442 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
443 | 79b7dbb7 | Christos Stavrakakis | |
444 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
445 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
446 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
447 | f533f224 | Vangelis Koukis | |
448 | 529178b1 | Giorgos Verigakis | |
449 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
450 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
451 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
452 | 529178b1 | Giorgos Verigakis | |
453 | ad2d6807 | Vangelis Koukis | |
454 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
455 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
456 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
457 | bf5c82dc | Christos Stavrakakis | return client.RebootInstance(vm.backend_vm_id, reboot_type,
|
458 | bf5c82dc | Christos Stavrakakis | dry_run=settings.TEST) |
459 | 529178b1 | Giorgos Verigakis | |
460 | ad2d6807 | Vangelis Koukis | |
461 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
462 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
463 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
464 | 529178b1 | Giorgos Verigakis | |
465 | ad2d6807 | Vangelis Koukis | |
466 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
467 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
468 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
469 | 529178b1 | Giorgos Verigakis | |
470 | ad2d6807 | Vangelis Koukis | |
471 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
472 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
473 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
474 | 71099804 | Vangelis Koukis | # useless (see #783).
|
475 | 71099804 | Vangelis Koukis | #
|
476 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
477 | 71099804 | Vangelis Koukis | # directly.
|
478 | 9afeb669 | Kostas Papadimitriou | #
|
479 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
480 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
481 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
482 | 71099804 | Vangelis Koukis | #
|
483 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
484 | bf5c82dc | Christos Stavrakakis | |
485 | 71099804 | Vangelis Koukis | console = {} |
486 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
487 | 3524241a | Christos Stavrakakis | |
488 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
489 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
490 | 3524241a | Christos Stavrakakis | |
491 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
492 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
493 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
494 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
495 | 9afeb669 | Kostas Papadimitriou | |
496 | 71099804 | Vangelis Koukis | return console
|
497 | 604b2bf8 | Georgios Gousios | |
498 | 604b2bf8 | Georgios Gousios | |
499 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
500 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
501 | 198d91c3 | Christos Stavrakakis | return client.GetInstance(vm.backend_vm_id)
|
502 | 198d91c3 | Christos Stavrakakis | |
503 | 198d91c3 | Christos Stavrakakis | |
504 | 198d91c3 | Christos Stavrakakis | def vm_exists_in_backend(vm): |
505 | 198d91c3 | Christos Stavrakakis | try:
|
506 | 198d91c3 | Christos Stavrakakis | get_instance_info(vm) |
507 | 198d91c3 | Christos Stavrakakis | return True |
508 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
509 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
510 | 198d91c3 | Christos Stavrakakis | return False |
511 | 198d91c3 | Christos Stavrakakis | raise e
|
512 | 198d91c3 | Christos Stavrakakis | |
513 | 198d91c3 | Christos Stavrakakis | |
514 | 198d91c3 | Christos Stavrakakis | def get_network_info(backend_network): |
515 | 198d91c3 | Christos Stavrakakis | with pooled_rapi_client(backend_network) as client: |
516 | 198d91c3 | Christos Stavrakakis | return client.GetNetwork(backend_network.network.backend_id)
|
517 | 198d91c3 | Christos Stavrakakis | |
518 | 198d91c3 | Christos Stavrakakis | |
519 | 198d91c3 | Christos Stavrakakis | def network_exists_in_backend(backend_network): |
520 | 198d91c3 | Christos Stavrakakis | try:
|
521 | 198d91c3 | Christos Stavrakakis | get_network_info(backend_network) |
522 | 198d91c3 | Christos Stavrakakis | return True |
523 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
524 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
525 | 198d91c3 | Christos Stavrakakis | return False |
526 | f533f224 | Vangelis Koukis | |
527 | c25cc9ec | Vangelis Koukis | |
528 | 01f5f8d9 | Christos Stavrakakis | def job_is_still_running(vm): |
529 | 01f5f8d9 | Christos Stavrakakis | with pooled_rapi_client(vm) as c: |
530 | 01f5f8d9 | Christos Stavrakakis | try:
|
531 | 01f5f8d9 | Christos Stavrakakis | job_info = c.GetJobStatus(vm.backendjobid) |
532 | 01f5f8d9 | Christos Stavrakakis | return not (job_info["status"] in JOB_STATUS_FINALIZED) |
533 | 01f5f8d9 | Christos Stavrakakis | except GanetiApiError:
|
534 | 01f5f8d9 | Christos Stavrakakis | return False |
535 | 01f5f8d9 | Christos Stavrakakis | |
536 | 01f5f8d9 | Christos Stavrakakis | |
537 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
538 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
539 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
540 | 64938cb0 | Giorgos Verigakis | |
541 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
542 | c25cc9ec | Vangelis Koukis | |
543 | 99af08a4 | Christos Stavrakakis | if connect:
|
544 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
545 | 99af08a4 | Christos Stavrakakis | return job_ids
|
546 | 99af08a4 | Christos Stavrakakis | else:
|
547 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
548 | 37ca953f | Christodoulos Psaltis | |
549 | 64938cb0 | Giorgos Verigakis | |
550 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
551 | 3524241a | Christos Stavrakakis | """Create a network."""
|
552 | c25cc9ec | Vangelis Koukis | |
553 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
554 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
555 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
556 | 2d762302 | Dimitris Aragiorgis | |
557 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
558 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
559 | d9b5b020 | Dimitris Aragiorgis | tags.append('public')
|
560 | 2d762302 | Dimitris Aragiorgis | else:
|
561 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
562 | d9b5b020 | Dimitris Aragiorgis | tags.append('private')
|
563 | 22ee6892 | Christos Stavrakakis | |
564 | 3524241a | Christos Stavrakakis | try:
|
565 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
566 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
567 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
568 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
569 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
570 | 3524241a | Christos Stavrakakis | |
571 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
572 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
573 | 3524241a | Christos Stavrakakis | network=network.subnet, |
574 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
575 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
576 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
577 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
578 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
579 | 3524241a | Christos Stavrakakis | tags=tags) |
580 | 3524241a | Christos Stavrakakis | |
581 | 3524241a | Christos Stavrakakis | |
582 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
583 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
584 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
585 | bf5c82dc | Christos Stavrakakis | |
586 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
587 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
588 | 2d762302 | Dimitris Aragiorgis | else:
|
589 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
590 | 2d762302 | Dimitris Aragiorgis | |
591 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
592 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
593 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
594 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
595 | 99af08a4 | Christos Stavrakakis | for group in groups: |
596 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
597 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
598 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
599 | 99af08a4 | Christos Stavrakakis | depends=depends) |
600 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
601 | 99af08a4 | Christos Stavrakakis | return job_ids
|
602 | 22ee6892 | Christos Stavrakakis | |
603 | 22ee6892 | Christos Stavrakakis | |
604 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
605 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
606 | 22ee6892 | Christos Stavrakakis | |
607 | 99af08a4 | Christos Stavrakakis | depends = [] |
608 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
609 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
610 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
611 | bf5c82dc | Christos Stavrakakis | |
612 | 22ee6892 | Christos Stavrakakis | |
613 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
614 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
615 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
616 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
617 | 22ee6892 | Christos Stavrakakis | |
618 | 22ee6892 | Christos Stavrakakis | |
619 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
620 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
621 | 22ee6892 | Christos Stavrakakis | |
622 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
623 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
624 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
625 | 99af08a4 | Christos Stavrakakis | for group in groups: |
626 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
627 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
628 | 99af08a4 | Christos Stavrakakis | return job_ids
|
629 | 36f4cb29 | Christos Stavrakakis | |
630 | 36f4cb29 | Christos Stavrakakis | |
631 | 87920bc3 | Christos Stavrakakis | def connect_to_network(vm, network, address=None): |
632 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
633 | acfc71ef | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network.id) |
634 | 99af08a4 | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
635 | 99af08a4 | Christos Stavrakakis | network=network) |
636 | 99af08a4 | Christos Stavrakakis | depend_jobs = [] |
637 | 99af08a4 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
638 | 99af08a4 | Christos Stavrakakis | depend_jobs = create_network(network, backend, connect=True)
|
639 | 99af08a4 | Christos Stavrakakis | |
640 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depend_jobs] |
641 | 99af08a4 | Christos Stavrakakis | |
642 | 3524241a | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
643 | 22ee6892 | Christos Stavrakakis | |
644 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting vm %s to network %s(%s)", vm, network, address)
|
645 | 22ee6892 | Christos Stavrakakis | |
646 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
647 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)], |
648 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
649 | 99af08a4 | Christos Stavrakakis | depends=depends, |
650 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
651 | 22ee6892 | Christos Stavrakakis | |
652 | 22ee6892 | Christos Stavrakakis | |
653 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
654 | 3524241a | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
655 | 22ee6892 | Christos Stavrakakis | |
656 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
657 | 22ee6892 | Christos Stavrakakis | |
658 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
659 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=op,
|
660 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
661 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
662 | 91826390 | Giorgos Verigakis | |
663 | c25cc9ec | Vangelis Koukis | |
664 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
665 | 26563957 | Giorgos Verigakis | try:
|
666 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
667 | 26563957 | Giorgos Verigakis | except KeyError: |
668 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
669 | 37ca953f | Christodoulos Psaltis | |
670 | bf5c82dc | Christos Stavrakakis | log.debug("Setting tag of VM %s to %s", vm, profile)
|
671 | bf5c82dc | Christos Stavrakakis | |
672 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
673 | 3524241a | Christos Stavrakakis | # Delete all firewall tags
|
674 | 3524241a | Christos Stavrakakis | for t in _firewall_tags.values(): |
675 | 3524241a | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], |
676 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
677 | 37ca953f | Christodoulos Psaltis | |
678 | 3524241a | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
679 | 9afeb669 | Kostas Papadimitriou | |
680 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
681 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
682 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
683 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
684 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
685 | 5eedb0e4 | Vangelis Koukis | |
686 | 41303ed0 | Vangelis Koukis | |
687 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_instances(backend=None, bulk=False): |
688 | 3524241a | Christos Stavrakakis | instances = [] |
689 | b12ab2d0 | Christos Stavrakakis | for backend in get_backends(backend): |
690 | b12ab2d0 | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
691 | b12ab2d0 | Christos Stavrakakis | instances.append(client.GetInstances(bulk=bulk)) |
692 | b12ab2d0 | Christos Stavrakakis | |
693 | b12ab2d0 | Christos Stavrakakis | return reduce(list.__add__, instances, []) |
694 | f5b4f2a3 | Christos Stavrakakis | |
695 | f5b4f2a3 | Christos Stavrakakis | |
696 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_nodes(backend=None, bulk=False): |
697 | 3524241a | Christos Stavrakakis | nodes = [] |
698 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
699 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
700 | 3524241a | Christos Stavrakakis | nodes.append(client.GetNodes(bulk=bulk)) |
701 | 3524241a | Christos Stavrakakis | |
702 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, nodes, []) |
703 | f5b4f2a3 | Christos Stavrakakis | |
704 | f5b4f2a3 | Christos Stavrakakis | |
705 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_jobs(backend=None, bulk=False): |
706 | 3524241a | Christos Stavrakakis | jobs = [] |
707 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
708 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
709 | 3524241a | Christos Stavrakakis | jobs.append(client.GetJobs(bulk=bulk)) |
710 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, jobs, []) |
711 | f5b4f2a3 | Christos Stavrakakis | |
712 | f5b4f2a3 | Christos Stavrakakis | ##
|
713 | f5b4f2a3 | Christos Stavrakakis | ##
|
714 | f5b4f2a3 | Christos Stavrakakis | ##
|
715 | 1a894bfe | Christos Stavrakakis | |
716 | 1a894bfe | Christos Stavrakakis | |
717 | f5b4f2a3 | Christos Stavrakakis | def get_backends(backend=None): |
718 | f5b4f2a3 | Christos Stavrakakis | if backend:
|
719 | c414bc87 | Christos Stavrakakis | if backend.offline:
|
720 | c414bc87 | Christos Stavrakakis | return []
|
721 | f5b4f2a3 | Christos Stavrakakis | return [backend]
|
722 | cc7c0f44 | Christos Stavrakakis | return Backend.objects.filter(offline=False) |
723 | f5b4f2a3 | Christos Stavrakakis | |
724 | 17852fe9 | Giorgos Verigakis | |
725 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
726 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
727 | 1a894bfe | Christos Stavrakakis |
|
728 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
729 | 41303ed0 | Vangelis Koukis |
|
730 | 1a894bfe | Christos Stavrakakis | """
|
731 | 1a894bfe | Christos Stavrakakis | nodes = get_ganeti_nodes(backend, bulk=True)
|
732 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
733 | 1a894bfe | Christos Stavrakakis | res = {} |
734 | 1a894bfe | Christos Stavrakakis | for a in attr: |
735 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
736 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
737 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
738 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
739 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
740 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
741 | 1a894bfe | Christos Stavrakakis | for a in attr: |
742 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
743 | 1a894bfe | Christos Stavrakakis | return res
|
744 | 1a894bfe | Christos Stavrakakis | |
745 | 1a894bfe | Christos Stavrakakis | |
746 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
747 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
748 | 1a894bfe | Christos Stavrakakis |
|
749 | 1a894bfe | Christos Stavrakakis | """
|
750 | 17852fe9 | Giorgos Verigakis | |
751 | 1a894bfe | Christos Stavrakakis | if not resources: |
752 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
753 | 41303ed0 | Vangelis Koukis | |
754 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
755 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
756 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
757 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
758 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
759 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
760 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
761 | 1a894bfe | Christos Stavrakakis | backend.save() |
762 | 1a894bfe | Christos Stavrakakis | |
763 | 1a894bfe | Christos Stavrakakis | |
764 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
765 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
766 | 1a894bfe | Christos Stavrakakis |
|
767 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
768 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
769 | 1a894bfe | Christos Stavrakakis |
|
770 | 1a894bfe | Christos Stavrakakis | """
|
771 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
772 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
773 | 1a894bfe | Christos Stavrakakis | mem = 0
|
774 | 1a894bfe | Christos Stavrakakis | for i in instances: |
775 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
776 | 1a894bfe | Christos Stavrakakis | return mem
|
777 | b3d28af2 | Christos Stavrakakis | |
778 | b3d28af2 | Christos Stavrakakis | ##
|
779 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
780 | b3d28af2 | Christos Stavrakakis | ##
|
781 | b3d28af2 | Christos Stavrakakis | |
782 | b3d28af2 | Christos Stavrakakis | |
783 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
784 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
785 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
786 | b3d28af2 | Christos Stavrakakis | return result
|
787 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
788 | b3d28af2 | Christos Stavrakakis | return result
|
789 | b3d28af2 | Christos Stavrakakis | |
790 | b3d28af2 | Christos Stavrakakis | |
791 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
792 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
793 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
794 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
795 | 3524241a | Christos Stavrakakis | return result
|
796 | b3d28af2 | Christos Stavrakakis | |
797 | b3d28af2 | Christos Stavrakakis | |
798 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
799 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
800 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
801 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
802 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
803 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
804 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
805 | 3524241a | Christos Stavrakakis | return result
|
806 | b3d28af2 | Christos Stavrakakis | |
807 | b3d28af2 | Christos Stavrakakis | return result
|
808 | b3d28af2 | Christos Stavrakakis | |
809 | b3d28af2 | Christos Stavrakakis | |
810 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
811 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
812 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
813 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
814 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
815 | cc92b70f | Christos Stavrakakis | [result], None)
|
816 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
817 | b3d28af2 | Christos Stavrakakis | |
818 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
819 | b3d28af2 | Christos Stavrakakis | return (status, None) |
820 | b3d28af2 | Christos Stavrakakis | else:
|
821 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
822 | b3d28af2 | Christos Stavrakakis | return (status, error) |