root / logic / backend.py @ 1c382247
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1 | adee02b8 | Giorgos Verigakis | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | 37ca953f | Christodoulos Psaltis | #
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3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | adee02b8 | Giorgos Verigakis | # conditions are met:
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6 | 37ca953f | Christodoulos Psaltis | #
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7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | adee02b8 | Giorgos Verigakis | # disclaimer.
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10 | 37ca953f | Christodoulos Psaltis | #
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11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
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15 | 37ca953f | Christodoulos Psaltis | #
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16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 37ca953f | Christodoulos Psaltis | #
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29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | 02feca11 | Vassilios Karakoidas | |
34 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
35 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
36 | 207b70d5 | Giorgos Verigakis | |
37 | adee02b8 | Giorgos Verigakis | from synnefo.db.models import (VirtualMachine, Network, NetworkInterface, |
38 | adee02b8 | Giorgos Verigakis | NetworkLink) |
39 | 234f8b07 | Vangelis Koukis | from synnefo.logic import utils |
40 | 529178b1 | Giorgos Verigakis | from synnefo.util.rapi import GanetiRapiClient |
41 | 529178b1 | Giorgos Verigakis | |
42 | 529178b1 | Giorgos Verigakis | |
43 | 529178b1 | Giorgos Verigakis | rapi = GanetiRapiClient(*settings.GANETI_CLUSTER_INFO) |
44 | 529178b1 | Giorgos Verigakis | |
45 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
46 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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47 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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48 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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49 | efff6193 | Giorgos Verigakis | |
50 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
51 | efff6193 | Giorgos Verigakis | |
52 | 02feca11 | Vassilios Karakoidas | |
53 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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54 | ad2d6807 | Vangelis Koukis | def process_op_status(vm, jobid, opcode, status, logmsg): |
55 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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56 | 02feca11 | Vassilios Karakoidas |
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57 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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58 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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59 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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60 | 02feca11 | Vassilios Karakoidas |
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61 | 02feca11 | Vassilios Karakoidas | """
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62 | 02feca11 | Vassilios Karakoidas | if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or |
63 | 02feca11 | Vassilios Karakoidas | status not in [x[0] for x in VirtualMachine.BACKEND_STATUSES]): |
64 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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65 | 02feca11 | Vassilios Karakoidas | |
66 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
67 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
68 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
69 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
70 | 02feca11 | Vassilios Karakoidas | |
71 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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72 | ac63eb4f | Vangelis Koukis | if status == 'success' and VirtualMachine.OPER_STATE_FROM_OPCODE[opcode] is not None: |
73 | 234f8b07 | Vangelis Koukis | utils.update_state(vm, VirtualMachine.OPER_STATE_FROM_OPCODE[opcode]) |
74 | 685b219e | Vangelis Koukis | # Set the deleted flag explicitly, to cater for admin-initiated removals
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75 | 685b219e | Vangelis Koukis | if opcode == 'OP_INSTANCE_REMOVE': |
76 | 685b219e | Vangelis Koukis | vm.deleted = True
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77 | 685b219e | Vangelis Koukis | |
78 | 685b219e | Vangelis Koukis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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79 | 02feca11 | Vassilios Karakoidas | if status in ('canceled', 'error') and opcode == 'OP_INSTANCE_CREATE': |
80 | 234f8b07 | Vangelis Koukis | utils.update_state(vm, 'ERROR')
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81 | 093f9c53 | Vangelis Koukis | |
82 | 093f9c53 | Vangelis Koukis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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83 | 093f9c53 | Vangelis Koukis | # when no instance exists at the Ganeti backend.
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84 | 093f9c53 | Vangelis Koukis | # See ticket #799 for all the details.
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85 | 093f9c53 | Vangelis Koukis | #
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86 | 093f9c53 | Vangelis Koukis | if (status == 'error' and opcode == 'OP_INSTANCE_REMOVE' and |
87 | 093f9c53 | Vangelis Koukis | vm.operstate == 'ERROR'):
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88 | 093f9c53 | Vangelis Koukis | vm.deleted = True
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89 | 093f9c53 | Vangelis Koukis | |
90 | 02feca11 | Vassilios Karakoidas | # Any other notification of failure leaves the operating state unchanged
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91 | 02feca11 | Vassilios Karakoidas | |
92 | 02feca11 | Vassilios Karakoidas | vm.save() |
93 | 22e52ede | Vassilios Karakoidas | |
94 | ad2d6807 | Vangelis Koukis | |
95 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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96 | ad2d6807 | Vangelis Koukis | def process_net_status(vm, nics): |
97 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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98 | ad2d6807 | Vangelis Koukis |
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99 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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100 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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101 | ad2d6807 | Vangelis Koukis |
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102 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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103 | ad2d6807 | Vangelis Koukis | """
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104 | 37ca953f | Christodoulos Psaltis | |
105 | 64938cb0 | Giorgos Verigakis | vm.nics.all().delete() |
106 | 64938cb0 | Giorgos Verigakis | for i, nic in enumerate(nics): |
107 | 64938cb0 | Giorgos Verigakis | if i == 0: |
108 | ca792e04 | Giorgos Verigakis | net = Network.objects.get(public=True)
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109 | 64938cb0 | Giorgos Verigakis | else:
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110 | a1dccf43 | Vangelis Koukis | try:
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111 | a1dccf43 | Vangelis Koukis | link = NetworkLink.objects.get(name=nic['link'])
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112 | a1dccf43 | Vangelis Koukis | except NetworkLink.DoesNotExist:
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113 | a1dccf43 | Vangelis Koukis | # Cannot find an instance of NetworkLink for
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114 | a1dccf43 | Vangelis Koukis | # the link attribute specified in the notification
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115 | a1dccf43 | Vangelis Koukis | raise NetworkLink.DoesNotExist("Cannot find a NetworkLink " |
116 | a1dccf43 | Vangelis Koukis | "object for link='%s'" % nic['link']) |
117 | 64938cb0 | Giorgos Verigakis | net = link.network |
118 | a1dccf43 | Vangelis Koukis | if net is None: |
119 | a1dccf43 | Vangelis Koukis | raise Network.DoesNotExist("NetworkLink for link='%s' not " |
120 | a1dccf43 | Vangelis Koukis | "associated with an existing Network instance." %
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121 | a1dccf43 | Vangelis Koukis | nic['link'])
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122 | d1387ed7 | Christodoulos Psaltis | |
123 | 658a825a | Giorgos Verigakis | firewall = nic.get('firewall', '') |
124 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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125 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
126 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
127 | d1387ed7 | Christodoulos Psaltis | |
128 | 64938cb0 | Giorgos Verigakis | vm.nics.create( |
129 | 64938cb0 | Giorgos Verigakis | network=net, |
130 | 64938cb0 | Giorgos Verigakis | index=i, |
131 | 64938cb0 | Giorgos Verigakis | mac=nic.get('mac', ''), |
132 | 746c6bf4 | Vangelis Koukis | ipv4=nic.get('ip', ''), |
133 | efff6193 | Giorgos Verigakis | ipv6=nic.get('ipv6',''), |
134 | efff6193 | Giorgos Verigakis | firewall_profile=firewall_profile) |
135 | ad2d6807 | Vangelis Koukis | vm.save() |
136 | ad2d6807 | Vangelis Koukis | |
137 | ad2d6807 | Vangelis Koukis | |
138 | 22e52ede | Vassilios Karakoidas | def start_action(vm, action): |
139 | 22e52ede | Vassilios Karakoidas | """Update the state of a VM when a new action is initiated."""
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140 | 22e52ede | Vassilios Karakoidas | if not action in [x[0] for x in VirtualMachine.ACTIONS]: |
141 | 22e52ede | Vassilios Karakoidas | raise VirtualMachine.InvalidActionError(action)
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142 | 22e52ede | Vassilios Karakoidas | |
143 | 22e52ede | Vassilios Karakoidas | # No actions to deleted and no actions beside destroy to suspended VMs
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144 | 22e52ede | Vassilios Karakoidas | if vm.deleted:
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145 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.DeletedError
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146 | 37ca953f | Christodoulos Psaltis | |
147 | 30f3b5e5 | Vangelis Koukis | # No actions to machines being built. They may be destroyed, however.
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148 | 30f3b5e5 | Vangelis Koukis | if vm.operstate == 'BUILD' and action != 'DESTROY': |
149 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.BuildingError
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150 | 37ca953f | Christodoulos Psaltis | |
151 | dfd19c2d | Vassilios Karakoidas | vm.action = action |
152 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = None
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153 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = None
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154 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = None
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155 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = None
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156 | 22e52ede | Vassilios Karakoidas | |
157 | f90c3d8c | Vangelis Koukis | # Update the relevant flags if the VM is being suspended or destroyed.
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158 | f90c3d8c | Vangelis Koukis | # Do not set the deleted flag here, see ticket #721.
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159 | f90c3d8c | Vangelis Koukis | #
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160 | f90c3d8c | Vangelis Koukis | # The deleted flag is set asynchronously, when an OP_INSTANCE_REMOVE
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161 | f90c3d8c | Vangelis Koukis | # completes successfully. Hence, a server may be visible for some time
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162 | f90c3d8c | Vangelis Koukis | # after a DELETE /servers/id returns HTTP 204.
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163 | f90c3d8c | Vangelis Koukis | #
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164 | 22e52ede | Vassilios Karakoidas | if action == "DESTROY": |
165 | f90c3d8c | Vangelis Koukis | # vm.deleted = True
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166 | f90c3d8c | Vangelis Koukis | pass
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167 | 22e52ede | Vassilios Karakoidas | elif action == "SUSPEND": |
168 | 22e52ede | Vassilios Karakoidas | vm.suspended = True
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169 | 22e52ede | Vassilios Karakoidas | elif action == "START": |
170 | 22e52ede | Vassilios Karakoidas | vm.suspended = False
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171 | 22e52ede | Vassilios Karakoidas | vm.save() |
172 | 529178b1 | Giorgos Verigakis | |
173 | ad2d6807 | Vangelis Koukis | |
174 | 1ef58e5b | Constantinos Venetsanopoulos | def create_instance(vm, flavor, image, password): |
175 | 37ca953f | Christodoulos Psaltis | |
176 | 64938cb0 | Giorgos Verigakis | nic = {'ip': 'pool', 'mode': 'routed', 'link': settings.GANETI_PUBLIC_LINK} |
177 | 61868190 | Vangelis Koukis | |
178 | 61868190 | Vangelis Koukis | if settings.IGNORE_FLAVOR_DISK_SIZES:
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179 | 61868190 | Vangelis Koukis | if image.backend_id.find("windows") >= 0: |
180 | 61868190 | Vangelis Koukis | sz = 14000
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181 | 61868190 | Vangelis Koukis | else:
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182 | 61868190 | Vangelis Koukis | sz = 4000
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183 | cf0e4232 | Vangelis Koukis | else:
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184 | 61868190 | Vangelis Koukis | sz = flavor.disk * 1024
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185 | 37ca953f | Christodoulos Psaltis | |
186 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
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187 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
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188 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
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189 | 1c382247 | Vangelis Koukis | # arguments, such as the disk templatei to use, name of os provider
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190 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
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191 | 1c382247 | Vangelis Koukis | #
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192 | 1c382247 | Vangelis Koukis | kw = settings.GANETI_CREATEINSTANCE_KWARGS |
193 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
194 | 1c382247 | Vangelis Koukis | kw['name'] = vm.backend_id
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195 | 1c382247 | Vangelis Koukis | # Defined in settings.GANETI_CREATE_INSTANCE_KWARGS
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196 | 1c382247 | Vangelis Koukis | # kw['disk_template'] = settings.GANETI_DISK_TEMPLATE
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197 | 1c382247 | Vangelis Koukis | kw['disks'] = [{"size": sz}] |
198 | 1c382247 | Vangelis Koukis | kw['nics'] = [nic]
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199 | 1c382247 | Vangelis Koukis | # Defined in settings.GANETI_CREATE_INSTANCE_KWARGS
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200 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
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201 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
202 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
203 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
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204 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
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205 | 1c382247 | Vangelis Koukis | #
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206 | 1c382247 | Vangelis Koukis | # kw['pnode']=rapi.GetNodes()[0]
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207 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
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208 | 1c382247 | Vangelis Koukis | kw['beparams'] = dict(auto_balance=True, vcpus=flavor.cpu, |
209 | 1c382247 | Vangelis Koukis | memory=flavor.ram) |
210 | 1c382247 | Vangelis Koukis | kw['osparams'] = dict(img_id=image.backend_id, img_passwd=password, |
211 | 1c382247 | Vangelis Koukis | img_format=image.format) |
212 | 1c382247 | Vangelis Koukis | # Defined in settings.GANETI_CREATE_INSTANCE_KWARGS
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213 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
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214 | 1c382247 | Vangelis Koukis | |
215 | 1c382247 | Vangelis Koukis | return rapi.CreateInstance(**kw)
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216 | f533f224 | Vangelis Koukis | |
217 | 529178b1 | Giorgos Verigakis | |
218 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
219 | 529178b1 | Giorgos Verigakis | start_action(vm, 'DESTROY')
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220 | 64938cb0 | Giorgos Verigakis | rapi.DeleteInstance(vm.backend_id, dry_run=settings.TEST) |
221 | d44c236b | Giorgos Verigakis | vm.nics.all().delete() |
222 | 529178b1 | Giorgos Verigakis | |
223 | ad2d6807 | Vangelis Koukis | |
224 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
225 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
226 | 64938cb0 | Giorgos Verigakis | rapi.RebootInstance(vm.backend_id, reboot_type, dry_run=settings.TEST) |
227 | 529178b1 | Giorgos Verigakis | |
228 | ad2d6807 | Vangelis Koukis | |
229 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
230 | 529178b1 | Giorgos Verigakis | start_action(vm, 'START')
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231 | 64938cb0 | Giorgos Verigakis | rapi.StartupInstance(vm.backend_id, dry_run=settings.TEST) |
232 | 529178b1 | Giorgos Verigakis | |
233 | ad2d6807 | Vangelis Koukis | |
234 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
235 | 529178b1 | Giorgos Verigakis | start_action(vm, 'STOP')
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236 | 64938cb0 | Giorgos Verigakis | rapi.ShutdownInstance(vm.backend_id, dry_run=settings.TEST) |
237 | 529178b1 | Giorgos Verigakis | |
238 | ad2d6807 | Vangelis Koukis | |
239 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
240 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
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241 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
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242 | 71099804 | Vangelis Koukis | # useless (see #783).
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243 | 71099804 | Vangelis Koukis | #
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244 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
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245 | 71099804 | Vangelis Koukis | # directly.
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246 | 71099804 | Vangelis Koukis | #
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247 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
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248 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
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249 | 71099804 | Vangelis Koukis | # hypervisor-specific.
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250 | 71099804 | Vangelis Koukis | #
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251 | 71099804 | Vangelis Koukis | console = {} |
252 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
253 | 71099804 | Vangelis Koukis | i = rapi.GetInstance(vm.backend_id) |
254 | 71099804 | Vangelis Koukis | if i['hvparams']['serial_console']: |
255 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
256 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
257 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
258 | 71099804 | Vangelis Koukis | |
259 | 71099804 | Vangelis Koukis | return console
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260 | 71099804 | Vangelis Koukis | # return rapi.GetInstanceConsole(vm.backend_id)
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261 | 64938cb0 | Giorgos Verigakis | |
262 | 604b2bf8 | Georgios Gousios | def request_status_update(vm): |
263 | 604b2bf8 | Georgios Gousios | return rapi.GetInstanceInfo(vm.backend_id)
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264 | 604b2bf8 | Georgios Gousios | |
265 | 604b2bf8 | Georgios Gousios | |
266 | 604b2bf8 | Georgios Gousios | def get_job_status(jobid): |
267 | 604b2bf8 | Georgios Gousios | return rapi.GetJobStatus(jobid)
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268 | 604b2bf8 | Georgios Gousios | |
269 | 604b2bf8 | Georgios Gousios | |
270 | 604b2bf8 | Georgios Gousios | def update_status(vm, status): |
271 | db7a3230 | Vangelis Koukis | utils.update_state(vm, status) |
272 | f533f224 | Vangelis Koukis | |
273 | 64938cb0 | Giorgos Verigakis | def create_network_link(): |
274 | 64938cb0 | Giorgos Verigakis | try:
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275 | 64938cb0 | Giorgos Verigakis | last = NetworkLink.objects.order_by('-index')[0] |
276 | 64938cb0 | Giorgos Verigakis | index = last.index + 1
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277 | 64938cb0 | Giorgos Verigakis | except IndexError: |
278 | 64938cb0 | Giorgos Verigakis | index = 1
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279 | 37ca953f | Christodoulos Psaltis | |
280 | 64938cb0 | Giorgos Verigakis | if index <= settings.GANETI_MAX_LINK_NUMBER:
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281 | 64938cb0 | Giorgos Verigakis | name = '%s%d' % (settings.GANETI_LINK_PREFIX, index)
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282 | f533f224 | Vangelis Koukis | return NetworkLink.objects.create(index=index, name=name,
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283 | a191bd4d | Giorgos Verigakis | available=True)
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284 | 64938cb0 | Giorgos Verigakis | return None # All link slots are filled |
285 | 64938cb0 | Giorgos Verigakis | |
286 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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287 | a3992827 | Giorgos Verigakis | def create_network(name, owner): |
288 | 64938cb0 | Giorgos Verigakis | try:
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289 | 64938cb0 | Giorgos Verigakis | link = NetworkLink.objects.filter(available=True)[0] |
290 | 64938cb0 | Giorgos Verigakis | except IndexError: |
291 | 64938cb0 | Giorgos Verigakis | link = create_network_link() |
292 | 64938cb0 | Giorgos Verigakis | if not link: |
293 | a3992827 | Giorgos Verigakis | return None |
294 | 37ca953f | Christodoulos Psaltis | |
295 | a3992827 | Giorgos Verigakis | network = Network.objects.create( |
296 | a3992827 | Giorgos Verigakis | name=name, |
297 | a3992827 | Giorgos Verigakis | owner=owner, |
298 | a3992827 | Giorgos Verigakis | state='ACTIVE',
|
299 | a3992827 | Giorgos Verigakis | link=link) |
300 | 37ca953f | Christodoulos Psaltis | |
301 | a3992827 | Giorgos Verigakis | link.network = network |
302 | 64938cb0 | Giorgos Verigakis | link.available = False
|
303 | 64938cb0 | Giorgos Verigakis | link.save() |
304 | 37ca953f | Christodoulos Psaltis | |
305 | a3992827 | Giorgos Verigakis | return network
|
306 | 64938cb0 | Giorgos Verigakis | |
307 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
|
308 | 64938cb0 | Giorgos Verigakis | def delete_network(net): |
309 | 64938cb0 | Giorgos Verigakis | link = net.link |
310 | 06a16b24 | Giorgos Verigakis | if link.name != settings.GANETI_NULL_LINK:
|
311 | 06a16b24 | Giorgos Verigakis | link.available = True
|
312 | 06a16b24 | Giorgos Verigakis | link.network = None
|
313 | 06a16b24 | Giorgos Verigakis | link.save() |
314 | 37ca953f | Christodoulos Psaltis | |
315 | 64938cb0 | Giorgos Verigakis | for vm in net.machines.all(): |
316 | 64938cb0 | Giorgos Verigakis | disconnect_from_network(vm, net) |
317 | 64938cb0 | Giorgos Verigakis | vm.save() |
318 | 64938cb0 | Giorgos Verigakis | net.state = 'DELETED'
|
319 | 64938cb0 | Giorgos Verigakis | net.save() |
320 | 64938cb0 | Giorgos Verigakis | |
321 | 64938cb0 | Giorgos Verigakis | def connect_to_network(vm, net): |
322 | 64938cb0 | Giorgos Verigakis | nic = {'mode': 'bridged', 'link': net.link.name} |
323 | ca792e04 | Giorgos Verigakis | rapi.ModifyInstance(vm.backend_id, |
324 | ca792e04 | Giorgos Verigakis | nics=[('add', nic)],
|
325 | ca792e04 | Giorgos Verigakis | dry_run=settings.TEST) |
326 | 64938cb0 | Giorgos Verigakis | |
327 | 64938cb0 | Giorgos Verigakis | def disconnect_from_network(vm, net): |
328 | ca792e04 | Giorgos Verigakis | nics = vm.nics.filter(network__public=False).order_by('index') |
329 | ca792e04 | Giorgos Verigakis | new_nics = [nic for nic in nics if nic.network != net] |
330 | ca792e04 | Giorgos Verigakis | if new_nics == nics:
|
331 | ca792e04 | Giorgos Verigakis | return # Nothing to remove |
332 | ca792e04 | Giorgos Verigakis | ops = [('remove', {})]
|
333 | ca792e04 | Giorgos Verigakis | for i, nic in enumerate(new_nics): |
334 | ca792e04 | Giorgos Verigakis | ops.append((i + 1, {
|
335 | 64938cb0 | Giorgos Verigakis | 'mode': 'bridged', |
336 | ca792e04 | Giorgos Verigakis | 'link': nic.network.link.name}))
|
337 | ca792e04 | Giorgos Verigakis | rapi.ModifyInstance(vm.backend_id, nics=ops, dry_run=settings.TEST) |
338 | 91826390 | Giorgos Verigakis | |
339 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
340 | 26563957 | Giorgos Verigakis | try:
|
341 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
342 | 26563957 | Giorgos Verigakis | except KeyError: |
343 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
344 | 37ca953f | Christodoulos Psaltis | |
345 | 26563957 | Giorgos Verigakis | # Delete all firewall tags
|
346 | efff6193 | Giorgos Verigakis | for t in _firewall_tags.values(): |
347 | efff6193 | Giorgos Verigakis | rapi.DeleteInstanceTags(vm.backend_id, [t], dry_run=settings.TEST) |
348 | 37ca953f | Christodoulos Psaltis | |
349 | 26563957 | Giorgos Verigakis | rapi.AddInstanceTags(vm.backend_id, [tag], dry_run=settings.TEST) |
350 | 2da5f785 | Giorgos Verigakis | |
351 | 2da5f785 | Giorgos Verigakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
352 | 2da5f785 | Giorgos Verigakis | # on the dispatcher
|
353 | 2da5f785 | Giorgos Verigakis | rapi.ModifyInstance(vm.backend_id, os_name=settings.GANETI_OS_PROVIDER) |