root / snf-cyclades-app / synnefo / logic / backend.py @ 44e2c577
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1 | adee02b8 | Giorgos Verigakis | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | 37ca953f | Christodoulos Psaltis | #
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3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | adee02b8 | Giorgos Verigakis | # conditions are met:
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6 | 37ca953f | Christodoulos Psaltis | #
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7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | adee02b8 | Giorgos Verigakis | # disclaimer.
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10 | 37ca953f | Christodoulos Psaltis | #
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11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
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15 | 37ca953f | Christodoulos Psaltis | #
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16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 37ca953f | Christodoulos Psaltis | #
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29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | 02feca11 | Vassilios Karakoidas | |
34 | 2b1db26f | Giorgos Verigakis | import json |
35 | 2b1db26f | Giorgos Verigakis | |
36 | 2035039b | Giorgos Verigakis | from logging import getLogger |
37 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
38 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
39 | 1a894bfe | Christos Stavrakakis | from datetime import datetime |
40 | 207b70d5 | Giorgos Verigakis | |
41 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
42 | 22ee6892 | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES) |
43 | 234f8b07 | Vangelis Koukis | from synnefo.logic import utils |
44 | 529178b1 | Giorgos Verigakis | from synnefo.util.rapi import GanetiRapiClient |
45 | 529178b1 | Giorgos Verigakis | |
46 | 9e98ba3c | Giorgos Verigakis | log = getLogger('synnefo.logic')
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47 | 9e98ba3c | Giorgos Verigakis | |
48 | 529178b1 | Giorgos Verigakis | |
49 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
50 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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51 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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52 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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53 | efff6193 | Giorgos Verigakis | |
54 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
55 | efff6193 | Giorgos Verigakis | |
56 | 02feca11 | Vassilios Karakoidas | |
57 | 924d8085 | Christos Stavrakakis | def create_client(hostname, port=5080, username=None, password=None): |
58 | 1a894bfe | Christos Stavrakakis | return GanetiRapiClient(hostname, port, username, password)
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59 | 924d8085 | Christos Stavrakakis | |
60 | 22ee6892 | Christos Stavrakakis | |
61 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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62 | c4e55622 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg): |
63 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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64 | 02feca11 | Vassilios Karakoidas |
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65 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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66 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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67 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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68 | 02feca11 | Vassilios Karakoidas |
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69 | 02feca11 | Vassilios Karakoidas | """
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70 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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71 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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72 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
73 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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74 | 02feca11 | Vassilios Karakoidas | |
75 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
76 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
77 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
78 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
79 | 02feca11 | Vassilios Karakoidas | |
80 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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81 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
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82 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
83 | 41303ed0 | Vangelis Koukis | utils.update_state(vm, state_for_success) |
84 | 41303ed0 | Vangelis Koukis | # Set the deleted flag explicitly, cater for admin-initiated removals
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85 | 685b219e | Vangelis Koukis | if opcode == 'OP_INSTANCE_REMOVE': |
86 | 685b219e | Vangelis Koukis | vm.deleted = True
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87 | 9c21a2e2 | Christos Stavrakakis | vm.nics.all().delete() |
88 | 685b219e | Vangelis Koukis | |
89 | 685b219e | Vangelis Koukis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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90 | 02feca11 | Vassilios Karakoidas | if status in ('canceled', 'error') and opcode == 'OP_INSTANCE_CREATE': |
91 | 234f8b07 | Vangelis Koukis | utils.update_state(vm, 'ERROR')
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92 | 093f9c53 | Vangelis Koukis | |
93 | 093f9c53 | Vangelis Koukis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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94 | 093f9c53 | Vangelis Koukis | # when no instance exists at the Ganeti backend.
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95 | 093f9c53 | Vangelis Koukis | # See ticket #799 for all the details.
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96 | 093f9c53 | Vangelis Koukis | #
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97 | 093f9c53 | Vangelis Koukis | if (status == 'error' and opcode == 'OP_INSTANCE_REMOVE' and |
98 | 093f9c53 | Vangelis Koukis | vm.operstate == 'ERROR'):
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99 | 093f9c53 | Vangelis Koukis | vm.deleted = True
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100 | 9c21a2e2 | Christos Stavrakakis | vm.nics.all().delete() |
101 | 093f9c53 | Vangelis Koukis | |
102 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
103 | 02feca11 | Vassilios Karakoidas | # Any other notification of failure leaves the operating state unchanged
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104 | 02feca11 | Vassilios Karakoidas | |
105 | 02feca11 | Vassilios Karakoidas | vm.save() |
106 | 22e52ede | Vassilios Karakoidas | |
107 | ad2d6807 | Vangelis Koukis | |
108 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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109 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
110 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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111 | ad2d6807 | Vangelis Koukis |
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112 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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113 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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114 | ad2d6807 | Vangelis Koukis |
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115 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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116 | ad2d6807 | Vangelis Koukis | """
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117 | 37ca953f | Christodoulos Psaltis | |
118 | 64938cb0 | Giorgos Verigakis | vm.nics.all().delete() |
119 | 64938cb0 | Giorgos Verigakis | for i, nic in enumerate(nics): |
120 | 22ee6892 | Christos Stavrakakis | network = nic.get('network', '') |
121 | 22ee6892 | Christos Stavrakakis | n = str(network)
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122 | 22ee6892 | Christos Stavrakakis | if n == settings.GANETI_PUBLIC_NETWORK:
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123 | ca792e04 | Giorgos Verigakis | net = Network.objects.get(public=True)
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124 | 64938cb0 | Giorgos Verigakis | else:
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125 | 22ee6892 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
126 | 22ee6892 | Christos Stavrakakis | net = Network.objects.get(id=pk) |
127 | 9afeb669 | Kostas Papadimitriou | |
128 | 658a825a | Giorgos Verigakis | firewall = nic.get('firewall', '') |
129 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
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130 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
131 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
132 | 9afeb669 | Kostas Papadimitriou | |
133 | 64938cb0 | Giorgos Verigakis | vm.nics.create( |
134 | 64938cb0 | Giorgos Verigakis | network=net, |
135 | 64938cb0 | Giorgos Verigakis | index=i, |
136 | 64938cb0 | Giorgos Verigakis | mac=nic.get('mac', ''), |
137 | 746c6bf4 | Vangelis Koukis | ipv4=nic.get('ip', ''), |
138 | 41303ed0 | Vangelis Koukis | ipv6=nic.get('ipv6', ''), |
139 | efff6193 | Giorgos Verigakis | firewall_profile=firewall_profile) |
140 | 9afeb669 | Kostas Papadimitriou | |
141 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
142 | ad2d6807 | Vangelis Koukis | vm.save() |
143 | 22ee6892 | Christos Stavrakakis | net.save() |
144 | 22ee6892 | Christos Stavrakakis | |
145 | 22ee6892 | Christos Stavrakakis | |
146 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
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147 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
148 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
149 | 22ee6892 | Christos Stavrakakis | return
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150 | 22ee6892 | Christos Stavrakakis | #raise Network.InvalidBackendMsgError(opcode, status)
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151 | 22ee6892 | Christos Stavrakakis | |
152 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
153 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
154 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
155 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
156 | 22ee6892 | Christos Stavrakakis | |
157 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
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158 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
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159 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
160 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
161 | 22ee6892 | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
162 | 22ee6892 | Christos Stavrakakis | back_network.deleted = True
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163 | 22ee6892 | Christos Stavrakakis | |
164 | 22ee6892 | Christos Stavrakakis | if status in ('canceled', 'error'): |
165 | 22ee6892 | Christos Stavrakakis | utils.update_state(back_network, 'ERROR')
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166 | 22ee6892 | Christos Stavrakakis | |
167 | 22ee6892 | Christos Stavrakakis | if (status == 'error' and opcode == 'OP_NETWORK_REMOVE' and |
168 | 22ee6892 | Christos Stavrakakis | back_network.operstate == 'ERROR'):
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169 | 22ee6892 | Christos Stavrakakis | back_network.deleted = True
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170 | 22ee6892 | Christos Stavrakakis | back_network.operstate = 'DELETED'
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171 | 22ee6892 | Christos Stavrakakis | |
172 | 22ee6892 | Christos Stavrakakis | back_network.save() |
173 | ad2d6807 | Vangelis Koukis | |
174 | c25cc9ec | Vangelis Koukis | |
175 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
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176 | c4e55622 | Christos Stavrakakis | def process_create_progress(vm, etime, rprogress, wprogress): |
177 | 9068cd85 | Georgios Gousios | |
178 | c25cc9ec | Vangelis Koukis | # XXX: This only uses the read progress for now.
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179 | c25cc9ec | Vangelis Koukis | # Explore whether it would make sense to use the value of wprogress
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180 | c25cc9ec | Vangelis Koukis | # somewhere.
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181 | c25cc9ec | Vangelis Koukis | percentage = int(rprogress)
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182 | 9068cd85 | Georgios Gousios | |
183 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
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184 | af90d919 | Vangelis Koukis | # snf-progress-monitor tracks bytes read by image handling processes
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185 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
186 | af90d919 | Vangelis Koukis | if percentage < 0: |
187 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
188 | 9068cd85 | Georgios Gousios | |
189 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
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190 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
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191 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
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192 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
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193 | 9068cd85 | Georgios Gousios | |
194 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
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195 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
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196 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
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197 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
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198 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
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199 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
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200 | c25cc9ec | Vangelis Koukis | #
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201 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
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202 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
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203 | 9068cd85 | Georgios Gousios | |
204 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
205 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
206 | 9068cd85 | Georgios Gousios | vm.save() |
207 | ad2d6807 | Vangelis Koukis | |
208 | c25cc9ec | Vangelis Koukis | |
209 | 22e52ede | Vassilios Karakoidas | def start_action(vm, action): |
210 | 22e52ede | Vassilios Karakoidas | """Update the state of a VM when a new action is initiated."""
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211 | 22e52ede | Vassilios Karakoidas | if not action in [x[0] for x in VirtualMachine.ACTIONS]: |
212 | 22e52ede | Vassilios Karakoidas | raise VirtualMachine.InvalidActionError(action)
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213 | 22e52ede | Vassilios Karakoidas | |
214 | 22e52ede | Vassilios Karakoidas | # No actions to deleted and no actions beside destroy to suspended VMs
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215 | 22e52ede | Vassilios Karakoidas | if vm.deleted:
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216 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.DeletedError
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217 | 37ca953f | Christodoulos Psaltis | |
218 | 30f3b5e5 | Vangelis Koukis | # No actions to machines being built. They may be destroyed, however.
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219 | 30f3b5e5 | Vangelis Koukis | if vm.operstate == 'BUILD' and action != 'DESTROY': |
220 | 5231a38a | Giorgos Verigakis | raise VirtualMachine.BuildingError
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221 | 37ca953f | Christodoulos Psaltis | |
222 | dfd19c2d | Vassilios Karakoidas | vm.action = action |
223 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = None
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224 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = None
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225 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = None
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226 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = None
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227 | 22e52ede | Vassilios Karakoidas | |
228 | f90c3d8c | Vangelis Koukis | # Update the relevant flags if the VM is being suspended or destroyed.
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229 | f90c3d8c | Vangelis Koukis | # Do not set the deleted flag here, see ticket #721.
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230 | f90c3d8c | Vangelis Koukis | #
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231 | f90c3d8c | Vangelis Koukis | # The deleted flag is set asynchronously, when an OP_INSTANCE_REMOVE
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232 | f90c3d8c | Vangelis Koukis | # completes successfully. Hence, a server may be visible for some time
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233 | f90c3d8c | Vangelis Koukis | # after a DELETE /servers/id returns HTTP 204.
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234 | f90c3d8c | Vangelis Koukis | #
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235 | 22e52ede | Vassilios Karakoidas | if action == "DESTROY": |
236 | f90c3d8c | Vangelis Koukis | # vm.deleted = True
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237 | f90c3d8c | Vangelis Koukis | pass
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238 | 22e52ede | Vassilios Karakoidas | elif action == "SUSPEND": |
239 | 22e52ede | Vassilios Karakoidas | vm.suspended = True
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240 | 22e52ede | Vassilios Karakoidas | elif action == "START": |
241 | 22e52ede | Vassilios Karakoidas | vm.suspended = False
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242 | 22e52ede | Vassilios Karakoidas | vm.save() |
243 | 529178b1 | Giorgos Verigakis | |
244 | ad2d6807 | Vangelis Koukis | |
245 | 2b1db26f | Giorgos Verigakis | def create_instance(vm, flavor, image, password, personality): |
246 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
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247 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
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248 | 7f691719 | Christos Stavrakakis |
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249 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
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250 | 3a9b3cde | Giorgos Verigakis | """
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251 | 7f691719 | Christos Stavrakakis | nic = {'ip': 'pool', 'network': settings.GANETI_PUBLIC_NETWORK} |
252 | 61868190 | Vangelis Koukis | |
253 | 61868190 | Vangelis Koukis | if settings.IGNORE_FLAVOR_DISK_SIZES:
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254 | 3a9b3cde | Giorgos Verigakis | if image['backend_id'].find("windows") >= 0: |
255 | 61868190 | Vangelis Koukis | sz = 14000
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256 | 61868190 | Vangelis Koukis | else:
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257 | 61868190 | Vangelis Koukis | sz = 4000
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258 | cf0e4232 | Vangelis Koukis | else:
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259 | 61868190 | Vangelis Koukis | sz = flavor.disk * 1024
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260 | 37ca953f | Christodoulos Psaltis | |
261 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
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262 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
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263 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
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264 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
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265 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
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266 | 1c382247 | Vangelis Koukis | #
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267 | 1c382247 | Vangelis Koukis | kw = settings.GANETI_CREATEINSTANCE_KWARGS |
268 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
269 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
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270 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
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271 | 805c79ae | Giorgos Verigakis | kw['disk_template'] = flavor.disk_template
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272 | 1c382247 | Vangelis Koukis | kw['disks'] = [{"size": sz}] |
273 | 1c382247 | Vangelis Koukis | kw['nics'] = [nic]
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274 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
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275 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
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276 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
277 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
278 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
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279 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
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280 | 1c382247 | Vangelis Koukis | #
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281 | 1c382247 | Vangelis Koukis | # kw['pnode']=rapi.GetNodes()[0]
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282 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
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283 | 41303ed0 | Vangelis Koukis | |
284 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
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285 | 2b1db26f | Giorgos Verigakis | 'auto_balance': True, |
286 | 2b1db26f | Giorgos Verigakis | 'vcpus': flavor.cpu,
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287 | 2b1db26f | Giorgos Verigakis | 'memory': flavor.ram}
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288 | 41303ed0 | Vangelis Koukis | |
289 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
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290 | 3a9b3cde | Giorgos Verigakis | 'img_id': image['backend_id'], |
291 | e3b5be49 | Giorgos Verigakis | 'img_passwd': password,
|
292 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
293 | 2b1db26f | Giorgos Verigakis | if personality:
|
294 | e3b5be49 | Giorgos Verigakis | kw['osparams']['img_personality'] = json.dumps(personality) |
295 | d1eaa651 | Christos Stavrakakis | |
296 | 3a9b3cde | Giorgos Verigakis | kw['osparams']['img_properties'] = json.dumps(image['metadata']) |
297 | d1eaa651 | Christos Stavrakakis | |
298 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
299 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
300 | 1c382247 | Vangelis Koukis | |
301 | f5b4f2a3 | Christos Stavrakakis | return vm.client.CreateInstance(**kw)
|
302 | f533f224 | Vangelis Koukis | |
303 | 529178b1 | Giorgos Verigakis | |
304 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
305 | 529178b1 | Giorgos Verigakis | start_action(vm, 'DESTROY')
|
306 | f5b4f2a3 | Christos Stavrakakis | vm.client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST) |
307 | 529178b1 | Giorgos Verigakis | |
308 | ad2d6807 | Vangelis Koukis | |
309 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
310 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
311 | f5b4f2a3 | Christos Stavrakakis | vm.client.RebootInstance(vm.backend_vm_id, reboot_type, dry_run=settings.TEST) |
312 | 924d8085 | Christos Stavrakakis | log.info('Rebooting instance %s', vm.backend_vm_id)
|
313 | 529178b1 | Giorgos Verigakis | |
314 | ad2d6807 | Vangelis Koukis | |
315 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
316 | 529178b1 | Giorgos Verigakis | start_action(vm, 'START')
|
317 | f5b4f2a3 | Christos Stavrakakis | vm.client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST) |
318 | 529178b1 | Giorgos Verigakis | |
319 | ad2d6807 | Vangelis Koukis | |
320 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
321 | 529178b1 | Giorgos Verigakis | start_action(vm, 'STOP')
|
322 | f5b4f2a3 | Christos Stavrakakis | vm.client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST) |
323 | 529178b1 | Giorgos Verigakis | |
324 | ad2d6807 | Vangelis Koukis | |
325 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
326 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
327 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
328 | 71099804 | Vangelis Koukis | # useless (see #783).
|
329 | 71099804 | Vangelis Koukis | #
|
330 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
331 | 71099804 | Vangelis Koukis | # directly.
|
332 | 9afeb669 | Kostas Papadimitriou | #
|
333 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
334 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
335 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
336 | 71099804 | Vangelis Koukis | #
|
337 | 71099804 | Vangelis Koukis | console = {} |
338 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
339 | f5b4f2a3 | Christos Stavrakakis | i = vm.client.GetInstance(vm.backend_vm_id) |
340 | 71099804 | Vangelis Koukis | if i['hvparams']['serial_console']: |
341 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
342 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
343 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
344 | 9afeb669 | Kostas Papadimitriou | |
345 | 71099804 | Vangelis Koukis | return console
|
346 | 924d8085 | Christos Stavrakakis | # return rapi.GetInstanceConsole(vm.backend_vm_id)
|
347 | 64938cb0 | Giorgos Verigakis | |
348 | c25cc9ec | Vangelis Koukis | |
349 | 604b2bf8 | Georgios Gousios | def request_status_update(vm): |
350 | f5b4f2a3 | Christos Stavrakakis | return vm.client.GetInstanceInfo(vm.backend_vm_id)
|
351 | 604b2bf8 | Georgios Gousios | |
352 | 604b2bf8 | Georgios Gousios | |
353 | 604b2bf8 | Georgios Gousios | def update_status(vm, status): |
354 | db7a3230 | Vangelis Koukis | utils.update_state(vm, status) |
355 | f533f224 | Vangelis Koukis | |
356 | c25cc9ec | Vangelis Koukis | |
357 | 22ee6892 | Christos Stavrakakis | def create_network(network, backends=None): |
358 | 22ee6892 | Christos Stavrakakis | """ Add and connect a network to backends.
|
359 | 37ca953f | Christodoulos Psaltis |
|
360 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
361 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
362 | 64938cb0 | Giorgos Verigakis |
|
363 | 22ee6892 | Christos Stavrakakis | """
|
364 | 22ee6892 | Christos Stavrakakis | backend_jobs = _create_network(network, backends) |
365 | 22ee6892 | Christos Stavrakakis | connect_network(network, backend_jobs) |
366 | 22ee6892 | Christos Stavrakakis | return network
|
367 | c25cc9ec | Vangelis Koukis | |
368 | 37ca953f | Christodoulos Psaltis | |
369 | 22ee6892 | Christos Stavrakakis | def _create_network(network, backends=None): |
370 | 22ee6892 | Christos Stavrakakis | """Add a network to backends.
|
371 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
372 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
373 | 64938cb0 | Giorgos Verigakis |
|
374 | 22ee6892 | Christos Stavrakakis | """
|
375 | c25cc9ec | Vangelis Koukis | |
376 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
377 | 22ee6892 | Christos Stavrakakis | |
378 | 22ee6892 | Christos Stavrakakis | if not backends: |
379 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
380 | 22ee6892 | Christos Stavrakakis | |
381 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
382 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
383 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
384 | 22ee6892 | Christos Stavrakakis | tags = ','.join(tags)
|
385 | 22ee6892 | Christos Stavrakakis | |
386 | 22ee6892 | Christos Stavrakakis | backend_jobs = [] |
387 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
388 | 22ee6892 | Christos Stavrakakis | job = backend.client.CreateNetwork( |
389 | 22ee6892 | Christos Stavrakakis | network_name=network.backend_id, |
390 | 22ee6892 | Christos Stavrakakis | network=network.subnet, |
391 | 22ee6892 | Christos Stavrakakis | gateway=network.gateway, |
392 | 22ee6892 | Christos Stavrakakis | network_type=network_type, |
393 | 22ee6892 | Christos Stavrakakis | mac_prefix=network.mac_prefix, |
394 | 22ee6892 | Christos Stavrakakis | tags=tags) |
395 | 22ee6892 | Christos Stavrakakis | backend_jobs.append((backend, job)) |
396 | 22ee6892 | Christos Stavrakakis | |
397 | 22ee6892 | Christos Stavrakakis | return backend_jobs
|
398 | 22ee6892 | Christos Stavrakakis | |
399 | 22ee6892 | Christos Stavrakakis | |
400 | 22ee6892 | Christos Stavrakakis | def connect_network(network, backend_jobs=None): |
401 | 22ee6892 | Christos Stavrakakis | """Connect a network to all nodegroups.
|
402 | 22ee6892 | Christos Stavrakakis |
|
403 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
404 | 22ee6892 | Christos Stavrakakis | @param backend_jobs: List of tuples of the form (Backend, jobs) which are
|
405 | 22ee6892 | Christos Stavrakakis | the backends to connect the network and the jobs on
|
406 | 22ee6892 | Christos Stavrakakis | which the connect job depends.
|
407 | 22ee6892 | Christos Stavrakakis |
|
408 | 22ee6892 | Christos Stavrakakis | """
|
409 | 64938cb0 | Giorgos Verigakis | |
410 | 22ee6892 | Christos Stavrakakis | mode = network.public and 'routed' or 'bridged' |
411 | c25cc9ec | Vangelis Koukis | |
412 | 22ee6892 | Christos Stavrakakis | if not backend_jobs: |
413 | 22ee6892 | Christos Stavrakakis | backend_jobs = [(backend, []) for backend in |
414 | 22ee6892 | Christos Stavrakakis | Backend.objects.exclude(offline=True)]
|
415 | 64938cb0 | Giorgos Verigakis | |
416 | 22ee6892 | Christos Stavrakakis | for backend, job in backend_jobs: |
417 | 22ee6892 | Christos Stavrakakis | client = backend.client |
418 | 22ee6892 | Christos Stavrakakis | for group in client.GetGroups(): |
419 | 22ee6892 | Christos Stavrakakis | client.ConnectNetwork(network.backend_id, group, mode, |
420 | 22ee6892 | Christos Stavrakakis | network.link, [job]) |
421 | 22ee6892 | Christos Stavrakakis | |
422 | 22ee6892 | Christos Stavrakakis | |
423 | 22ee6892 | Christos Stavrakakis | def connect_network_group(backend, network, group): |
424 | 22ee6892 | Christos Stavrakakis | """Connect a network to a specific nodegroup of a backend.
|
425 | 22ee6892 | Christos Stavrakakis |
|
426 | 22ee6892 | Christos Stavrakakis | """
|
427 | 22ee6892 | Christos Stavrakakis | mode = network.public and 'routed' or 'bridged' |
428 | 22ee6892 | Christos Stavrakakis | |
429 | 22ee6892 | Christos Stavrakakis | return backend.client.ConnectNetwork(network.backend_id, group, mode,
|
430 | 22ee6892 | Christos Stavrakakis | network.link) |
431 | 22ee6892 | Christos Stavrakakis | |
432 | 22ee6892 | Christos Stavrakakis | |
433 | 22ee6892 | Christos Stavrakakis | def delete_network(network, backends=None): |
434 | 22ee6892 | Christos Stavrakakis | """ Disconnect and a remove a network from backends.
|
435 | 22ee6892 | Christos Stavrakakis |
|
436 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
437 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
438 | 22ee6892 | Christos Stavrakakis |
|
439 | 22ee6892 | Christos Stavrakakis | """
|
440 | 22ee6892 | Christos Stavrakakis | backend_jobs = disconnect_network(network, backends) |
441 | 22ee6892 | Christos Stavrakakis | _delete_network(network, backend_jobs) |
442 | 22ee6892 | Christos Stavrakakis | |
443 | 22ee6892 | Christos Stavrakakis | |
444 | 22ee6892 | Christos Stavrakakis | def disconnect_network(network, backends=None): |
445 | 22ee6892 | Christos Stavrakakis | """Disconnect a network from virtualmachines and nodegroups.
|
446 | 22ee6892 | Christos Stavrakakis |
|
447 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
448 | 22ee6892 | Christos Stavrakakis | @param backends: List of Backend objects. None defaults to all.
|
449 | 22ee6892 | Christos Stavrakakis |
|
450 | 22ee6892 | Christos Stavrakakis | """
|
451 | 22ee6892 | Christos Stavrakakis | |
452 | 22ee6892 | Christos Stavrakakis | if not backends: |
453 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
454 | 22ee6892 | Christos Stavrakakis | |
455 | 22ee6892 | Christos Stavrakakis | backend_jobs = [] |
456 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
457 | 22ee6892 | Christos Stavrakakis | client = backend.client |
458 | 22ee6892 | Christos Stavrakakis | jobs = [] |
459 | 22ee6892 | Christos Stavrakakis | for vm in network.machines.filter(backend=backend): |
460 | 22ee6892 | Christos Stavrakakis | job = disconnect_from_network(vm, network) |
461 | 22ee6892 | Christos Stavrakakis | jobs.append(job) |
462 | 22ee6892 | Christos Stavrakakis | |
463 | 22ee6892 | Christos Stavrakakis | jobs2 = [] |
464 | 22ee6892 | Christos Stavrakakis | for group in client.GetGroups(): |
465 | 22ee6892 | Christos Stavrakakis | job = client.DisconnectNetwork(network.backend_id, group, jobs) |
466 | 22ee6892 | Christos Stavrakakis | jobs2.append(job) |
467 | 22ee6892 | Christos Stavrakakis | backend_jobs.append((backend, jobs2)) |
468 | 22ee6892 | Christos Stavrakakis | |
469 | 22ee6892 | Christos Stavrakakis | return backend_jobs
|
470 | 22ee6892 | Christos Stavrakakis | |
471 | 22ee6892 | Christos Stavrakakis | |
472 | 22ee6892 | Christos Stavrakakis | def disconnect_from_network(vm, network): |
473 | 22ee6892 | Christos Stavrakakis | """Disconnect a virtual machine from a network by removing it's nic.
|
474 | 22ee6892 | Christos Stavrakakis |
|
475 | 22ee6892 | Christos Stavrakakis | @param vm: VirtualMachine object
|
476 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
477 | 22ee6892 | Christos Stavrakakis |
|
478 | 22ee6892 | Christos Stavrakakis | """
|
479 | c25cc9ec | Vangelis Koukis | |
480 | ca792e04 | Giorgos Verigakis | nics = vm.nics.filter(network__public=False).order_by('index') |
481 | 22ee6892 | Christos Stavrakakis | ops = [('remove', nic.index, {}) for nic in nics if nic.network == network] |
482 | 924d8085 | Christos Stavrakakis | if not ops: # Vm not connected to network |
483 | d1eaa651 | Christos Stavrakakis | return
|
484 | 22ee6892 | Christos Stavrakakis | job = vm.client.ModifyInstance(vm.backend_vm_id, nics=ops[::-1],
|
485 | 22ee6892 | Christos Stavrakakis | hotplug=True, dry_run=settings.TEST)
|
486 | 22ee6892 | Christos Stavrakakis | |
487 | 22ee6892 | Christos Stavrakakis | return job
|
488 | 22ee6892 | Christos Stavrakakis | |
489 | 22ee6892 | Christos Stavrakakis | |
490 | 22ee6892 | Christos Stavrakakis | def _delete_network(network, backend_jobs=None): |
491 | 22ee6892 | Christos Stavrakakis | if not backend_jobs: |
492 | 22ee6892 | Christos Stavrakakis | backend_jobs = [(backend, []) for backend in |
493 | 22ee6892 | Christos Stavrakakis | Backend.objects.exclude(offline=True)]
|
494 | 22ee6892 | Christos Stavrakakis | for backend, jobs in backend_jobs: |
495 | 22ee6892 | Christos Stavrakakis | backend.client.DeleteNetwork(network.backend_id, jobs) |
496 | 22ee6892 | Christos Stavrakakis | |
497 | 22ee6892 | Christos Stavrakakis | |
498 | 22ee6892 | Christos Stavrakakis | def connect_to_network(vm, network): |
499 | 22ee6892 | Christos Stavrakakis | """Connect a virtual machine to a network.
|
500 | 22ee6892 | Christos Stavrakakis |
|
501 | 22ee6892 | Christos Stavrakakis | @param vm: VirtualMachine object
|
502 | 22ee6892 | Christos Stavrakakis | @param network: Network object
|
503 | 22ee6892 | Christos Stavrakakis |
|
504 | 22ee6892 | Christos Stavrakakis | """
|
505 | 22ee6892 | Christos Stavrakakis | |
506 | 22ee6892 | Christos Stavrakakis | ip = network.dhcp and 'pool' or None |
507 | 22ee6892 | Christos Stavrakakis | |
508 | 22ee6892 | Christos Stavrakakis | nic = {'ip': ip, 'network': network.backend_id} |
509 | 22ee6892 | Christos Stavrakakis | vm.client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)],
|
510 | 22ee6892 | Christos Stavrakakis | hotplug=True, dry_run=settings.TEST)
|
511 | 91826390 | Giorgos Verigakis | |
512 | c25cc9ec | Vangelis Koukis | |
513 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
514 | 26563957 | Giorgos Verigakis | try:
|
515 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
516 | 26563957 | Giorgos Verigakis | except KeyError: |
517 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
518 | 37ca953f | Christodoulos Psaltis | |
519 | f5b4f2a3 | Christos Stavrakakis | client = vm.client |
520 | 26563957 | Giorgos Verigakis | # Delete all firewall tags
|
521 | efff6193 | Giorgos Verigakis | for t in _firewall_tags.values(): |
522 | f5b4f2a3 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], dry_run=settings.TEST) |
523 | 37ca953f | Christodoulos Psaltis | |
524 | f5b4f2a3 | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
525 | 9afeb669 | Kostas Papadimitriou | |
526 | 2da5f785 | Giorgos Verigakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
527 | 2da5f785 | Giorgos Verigakis | # on the dispatcher
|
528 | f5b4f2a3 | Christos Stavrakakis | vm.client.ModifyInstance(vm.backend_vm_id, |
529 | 5eedb0e4 | Vangelis Koukis | os_name=settings.GANETI_CREATEINSTANCE_KWARGS['os'])
|
530 | 5eedb0e4 | Vangelis Koukis | |
531 | 41303ed0 | Vangelis Koukis | |
532 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_instances(backend=None, bulk=False): |
533 | 1a894bfe | Christos Stavrakakis | Instances = [c.client.GetInstances(bulk=bulk)\ |
534 | 1a894bfe | Christos Stavrakakis | for c in get_backends(backend)] |
535 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Instances, []) |
536 | f5b4f2a3 | Christos Stavrakakis | |
537 | f5b4f2a3 | Christos Stavrakakis | |
538 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_nodes(backend=None, bulk=False): |
539 | f5b4f2a3 | Christos Stavrakakis | Nodes = [c.client.GetNodes(bulk=bulk) for c in get_backends(backend)] |
540 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Nodes, []) |
541 | f5b4f2a3 | Christos Stavrakakis | |
542 | f5b4f2a3 | Christos Stavrakakis | |
543 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_jobs(backend=None, bulk=False): |
544 | f5b4f2a3 | Christos Stavrakakis | Jobs = [c.client.GetJobs(bulk=bulk) for c in get_backends(backend)] |
545 | f5b4f2a3 | Christos Stavrakakis | return reduce(list.__add__, Jobs, []) |
546 | f5b4f2a3 | Christos Stavrakakis | |
547 | f5b4f2a3 | Christos Stavrakakis | ##
|
548 | f5b4f2a3 | Christos Stavrakakis | ##
|
549 | f5b4f2a3 | Christos Stavrakakis | ##
|
550 | 1a894bfe | Christos Stavrakakis | |
551 | 1a894bfe | Christos Stavrakakis | |
552 | f5b4f2a3 | Christos Stavrakakis | def get_backends(backend=None): |
553 | f5b4f2a3 | Christos Stavrakakis | if backend:
|
554 | f5b4f2a3 | Christos Stavrakakis | return [backend]
|
555 | cc7c0f44 | Christos Stavrakakis | return Backend.objects.filter(offline=False) |
556 | f5b4f2a3 | Christos Stavrakakis | |
557 | 17852fe9 | Giorgos Verigakis | |
558 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
559 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
560 | 1a894bfe | Christos Stavrakakis |
|
561 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
562 | 41303ed0 | Vangelis Koukis |
|
563 | 1a894bfe | Christos Stavrakakis | """
|
564 | 1a894bfe | Christos Stavrakakis | nodes = get_ganeti_nodes(backend, bulk=True)
|
565 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
566 | 1a894bfe | Christos Stavrakakis | res = {} |
567 | 1a894bfe | Christos Stavrakakis | for a in attr: |
568 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
569 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
570 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
571 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
572 | 1a894bfe | Christos Stavrakakis | if n['vm_capable'] and not n['drained'] and not n['offline']\ |
573 | 1a894bfe | Christos Stavrakakis | and n['cnodes']: |
574 | 1a894bfe | Christos Stavrakakis | for a in attr: |
575 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
576 | 1a894bfe | Christos Stavrakakis | return res
|
577 | 1a894bfe | Christos Stavrakakis | |
578 | 1a894bfe | Christos Stavrakakis | |
579 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
580 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
581 | 1a894bfe | Christos Stavrakakis |
|
582 | 1a894bfe | Christos Stavrakakis | """
|
583 | 17852fe9 | Giorgos Verigakis | |
584 | 1a894bfe | Christos Stavrakakis | if not resources: |
585 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
586 | 41303ed0 | Vangelis Koukis | |
587 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
588 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
589 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
590 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
591 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
592 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
593 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
594 | 1a894bfe | Christos Stavrakakis | backend.save() |
595 | 1a894bfe | Christos Stavrakakis | |
596 | 1a894bfe | Christos Stavrakakis | |
597 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
598 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
599 | 1a894bfe | Christos Stavrakakis |
|
600 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
601 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
602 | 1a894bfe | Christos Stavrakakis |
|
603 | 1a894bfe | Christos Stavrakakis | """
|
604 | 1a894bfe | Christos Stavrakakis | instances = backend.client.GetInstances(bulk=True)
|
605 | 1a894bfe | Christos Stavrakakis | mem = 0
|
606 | 1a894bfe | Christos Stavrakakis | for i in instances: |
607 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
608 | 1a894bfe | Christos Stavrakakis | return mem
|
609 | b3d28af2 | Christos Stavrakakis | |
610 | b3d28af2 | Christos Stavrakakis | ##
|
611 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
612 | b3d28af2 | Christos Stavrakakis | ##
|
613 | b3d28af2 | Christos Stavrakakis | |
614 | b3d28af2 | Christos Stavrakakis | |
615 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
616 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
617 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
618 | b3d28af2 | Christos Stavrakakis | return result
|
619 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
620 | b3d28af2 | Christos Stavrakakis | return result
|
621 | b3d28af2 | Christos Stavrakakis | |
622 | b3d28af2 | Christos Stavrakakis | |
623 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
624 | b3d28af2 | Christos Stavrakakis | client = backend.client |
625 | b3d28af2 | Christos Stavrakakis | job = client.CreateNetwork(network.backend_id, network.subnet) |
626 | b3d28af2 | Christos Stavrakakis | return wait_for_job(client, job)
|
627 | b3d28af2 | Christos Stavrakakis | |
628 | b3d28af2 | Christos Stavrakakis | |
629 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
630 | b3d28af2 | Christos Stavrakakis | mode = network.public and 'routed' or 'bridged' |
631 | b3d28af2 | Christos Stavrakakis | client = backend.client |
632 | b3d28af2 | Christos Stavrakakis | |
633 | b3d28af2 | Christos Stavrakakis | for group in client.GetGroups(): |
634 | b3d28af2 | Christos Stavrakakis | job = client.ConnectNetwork(network.backend_id, group, mode, |
635 | b3d28af2 | Christos Stavrakakis | network.link) |
636 | b3d28af2 | Christos Stavrakakis | result = wait_for_job(client, job) |
637 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
638 | b3d28af2 | Christos Stavrakakis | return result
|
639 | b3d28af2 | Christos Stavrakakis | |
640 | b3d28af2 | Christos Stavrakakis | return result
|
641 | b3d28af2 | Christos Stavrakakis | |
642 | b3d28af2 | Christos Stavrakakis | |
643 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
644 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
645 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
646 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
647 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
648 | b3d28af2 | Christos Stavrakakis | [result], None)
|
649 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
650 | b3d28af2 | Christos Stavrakakis | |
651 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
652 | b3d28af2 | Christos Stavrakakis | return (status, None) |
653 | b3d28af2 | Christos Stavrakakis | else:
|
654 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
655 | b3d28af2 | Christos Stavrakakis | return (status, error) |