root / snf-cyclades-app / synnefo / logic / backend.py @ f0ac40a4
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1 | 41a7fae7 | Christos Stavrakakis | # 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 | 72dea98f | Christos Stavrakakis | FloatingIP, |
39 | 3524241a | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES, |
40 | ca4d59e3 | Christos Stavrakakis | pooled_rapi_client, VirtualMachineDiagnostic, |
41 | ca4d59e3 | Christos Stavrakakis | Flavor) |
42 | 03992c72 | Christos Stavrakakis | from synnefo.logic import utils |
43 | cb4eee84 | Christos Stavrakakis | from synnefo import quotas |
44 | b7d38981 | Dimitris Aragiorgis | from synnefo.api.util import release_resource |
45 | fd95834e | Christos Stavrakakis | from synnefo.util.mac2eui64 import mac2eui64 |
46 | 529178b1 | Giorgos Verigakis | |
47 | 3524241a | Christos Stavrakakis | from logging import getLogger |
48 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
49 | 9e98ba3c | Giorgos Verigakis | |
50 | 529178b1 | Giorgos Verigakis | |
51 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
52 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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53 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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54 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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55 | efff6193 | Giorgos Verigakis | |
56 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
57 | efff6193 | Giorgos Verigakis | |
58 | 02feca11 | Vassilios Karakoidas | |
59 | 41a7fae7 | Christos Stavrakakis | def handle_vm_quotas(vm, job_id, job_opcode, job_status, job_fields): |
60 | 41a7fae7 | Christos Stavrakakis | """Handle quotas for updated VirtualMachine.
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61 | 41a7fae7 | Christos Stavrakakis |
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62 | 41a7fae7 | Christos Stavrakakis | Update quotas for the updated VirtualMachine based on the job that run on
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63 | 41a7fae7 | Christos Stavrakakis | the Ganeti backend. If a commission has been already issued for this job,
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64 | 41a7fae7 | Christos Stavrakakis | then this commission is just accepted or rejected based on the job status.
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65 | 41a7fae7 | Christos Stavrakakis | Otherwise, a new commission for the given change is issued, that is also in
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66 | 41a7fae7 | Christos Stavrakakis | force and auto-accept mode. In this case, previous commissions are
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67 | 41a7fae7 | Christos Stavrakakis | rejected, since they reflect a previous state of the VM.
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68 | 41a7fae7 | Christos Stavrakakis |
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69 | 41a7fae7 | Christos Stavrakakis | """
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70 | 41a7fae7 | Christos Stavrakakis | if job_status not in ["success", "error", "canceled"]: |
71 | 41a7fae7 | Christos Stavrakakis | return
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72 | 41a7fae7 | Christos Stavrakakis | |
73 | 41a7fae7 | Christos Stavrakakis | # Check successful completion of a job will trigger any quotable change in
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74 | 41a7fae7 | Christos Stavrakakis | # the VM state.
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75 | 41a7fae7 | Christos Stavrakakis | action = utils.get_action_from_opcode(job_opcode, job_fields) |
76 | 41a7fae7 | Christos Stavrakakis | commission_info = quotas.get_commission_info(vm, action=action, |
77 | 41a7fae7 | Christos Stavrakakis | action_fields=job_fields) |
78 | 41a7fae7 | Christos Stavrakakis | |
79 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == job_id and vm.serial is not None: |
80 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has already been issued. So just
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81 | 41a7fae7 | Christos Stavrakakis | # accept/reject it
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82 | 41a7fae7 | Christos Stavrakakis | serial = vm.serial |
83 | 41a7fae7 | Christos Stavrakakis | if job_status == "success": |
84 | 41a7fae7 | Christos Stavrakakis | quotas.accept_serial(serial) |
85 | 41a7fae7 | Christos Stavrakakis | elif job_status in ["error", "canceled"]: |
86 | 41a7fae7 | Christos Stavrakakis | log.debug("Job %s failed. Rejecting related serial %s", job_id,
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87 | 41a7fae7 | Christos Stavrakakis | serial) |
88 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(serial) |
89 | 41a7fae7 | Christos Stavrakakis | vm.serial = None
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90 | 41a7fae7 | Christos Stavrakakis | elif job_status == "success" and commission_info is not None: |
91 | 41a7fae7 | Christos Stavrakakis | log.debug("Expected job was %s. Processing job %s. Commission for"
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92 | 41a7fae7 | Christos Stavrakakis | " this job: %s", vm.task_job_id, job_id, commission_info)
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93 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has not been issued, or the issued
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94 | 41a7fae7 | Christos Stavrakakis | # commission was unaware of the current change. Reject all previous
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95 | 41a7fae7 | Christos Stavrakakis | # commissions and create a new one in forced mode!
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96 | 41a7fae7 | Christos Stavrakakis | previous_serial = vm.serial |
97 | 41a7fae7 | Christos Stavrakakis | if previous_serial and not previous_serial.resolved: |
98 | 41a7fae7 | Christos Stavrakakis | quotas.resolve_vm_commission(previous_serial) |
99 | 9122ffab | Christos Stavrakakis | commission_name = ("client: dispatcher, resource: %s, ganeti_job: %s"
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100 | 9122ffab | Christos Stavrakakis | % (vm, job_id)) |
101 | 41a7fae7 | Christos Stavrakakis | serial = quotas.issue_commission(user=vm.userid, |
102 | 41a7fae7 | Christos Stavrakakis | source=quotas.DEFAULT_SOURCE, |
103 | 41a7fae7 | Christos Stavrakakis | provisions=commission_info, |
104 | 9122ffab | Christos Stavrakakis | name=commission_name, |
105 | 41a7fae7 | Christos Stavrakakis | force=True,
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106 | 41a7fae7 | Christos Stavrakakis | auto_accept=True)
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107 | 41a7fae7 | Christos Stavrakakis | # Clear VM's serial. Expected job may arrive later. However correlated
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108 | 41a7fae7 | Christos Stavrakakis | # serial must not be accepted, since it reflects a previous VM state
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109 | 41a7fae7 | Christos Stavrakakis | vm.serial = None
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110 | 41a7fae7 | Christos Stavrakakis | |
111 | 41a7fae7 | Christos Stavrakakis | return vm
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112 | 41a7fae7 | Christos Stavrakakis | |
113 | 41a7fae7 | Christos Stavrakakis | |
114 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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115 | ca4d59e3 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None, |
116 | ca4d59e3 | Christos Stavrakakis | beparams=None):
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117 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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118 | 02feca11 | Vassilios Karakoidas |
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119 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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120 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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121 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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122 | 02feca11 | Vassilios Karakoidas |
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123 | 02feca11 | Vassilios Karakoidas | """
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124 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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125 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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126 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
127 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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128 | 02feca11 | Vassilios Karakoidas | |
129 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
130 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
131 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
132 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
133 | 02feca11 | Vassilios Karakoidas | |
134 | 41a7fae7 | Christos Stavrakakis | if status in ["queued", "waiting", "running"]: |
135 | 41a7fae7 | Christos Stavrakakis | vm.save() |
136 | 41a7fae7 | Christos Stavrakakis | return
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137 | 41a7fae7 | Christos Stavrakakis | |
138 | 41a7fae7 | Christos Stavrakakis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode) |
139 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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140 | 41a7fae7 | Christos Stavrakakis | if status == "success": |
141 | 41a7fae7 | Christos Stavrakakis | if state_for_success is not None: |
142 | 41a7fae7 | Christos Stavrakakis | vm.operstate = state_for_success |
143 | 41a7fae7 | Christos Stavrakakis | if nics is not None: |
144 | 41a7fae7 | Christos Stavrakakis | # Update the NICs of the VM
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145 | 41a7fae7 | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
146 | 41a7fae7 | Christos Stavrakakis | if beparams:
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147 | 41a7fae7 | Christos Stavrakakis | # Change the flavor of the VM
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148 | ca4d59e3 | Christos Stavrakakis | _process_resize(vm, beparams) |
149 | 41a7fae7 | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully
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150 | 41a7fae7 | Christos Stavrakakis | # completed, since only these jobs update the state of the VM. Else a
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151 | 41a7fae7 | Christos Stavrakakis | # "race condition" may occur when a successful job (e.g.
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152 | 41a7fae7 | Christos Stavrakakis | # OP_INSTANCE_REMOVE) completes before an error job and messages arrive
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153 | 41a7fae7 | Christos Stavrakakis | # in reversed order.
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154 | 41a7fae7 | Christos Stavrakakis | vm.backendtime = etime |
155 | ca4d59e3 | Christos Stavrakakis | |
156 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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157 | cb4eee84 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in ('canceled', 'error'): |
158 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
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159 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
160 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
161 | e97288bc | Christos Stavrakakis | # Set the deleted flag explicitly, cater for admin-initiated removals
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162 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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163 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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164 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
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165 | 07602322 | Christos Stavrakakis | if (status == 'success' or |
166 | 07602322 | Christos Stavrakakis | (status == 'error' and (vm.operstate == 'ERROR' or |
167 | 07602322 | Christos Stavrakakis | vm.action == 'DESTROY'))):
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168 | 72dea98f | Christos Stavrakakis | # VM has been deleted. Release the instance IPs
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169 | 72dea98f | Christos Stavrakakis | release_instance_ips(vm, []) |
170 | 72dea98f | Christos Stavrakakis | # And delete the releated NICs (must be performed after release!)
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171 | 72dea98f | Christos Stavrakakis | vm.nics.all().delete() |
172 | e97288bc | Christos Stavrakakis | vm.deleted = True
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173 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
174 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
175 | 41a7fae7 | Christos Stavrakakis | status = "success"
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176 | 41a7fae7 | Christos Stavrakakis | |
177 | 41a7fae7 | Christos Stavrakakis | if status in ["success", "error", "canceled"]: |
178 | 41a7fae7 | Christos Stavrakakis | # Job is finalized: Handle quotas/commissioning
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179 | 41a7fae7 | Christos Stavrakakis | job_fields = {"nics": nics, "beparams": beparams} |
180 | 41a7fae7 | Christos Stavrakakis | vm = handle_vm_quotas(vm, job_id=jobid, job_opcode=opcode, |
181 | 41a7fae7 | Christos Stavrakakis | job_status=status, job_fields=job_fields) |
182 | 41a7fae7 | Christos Stavrakakis | # and clear task fields
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183 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == jobid:
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184 | 41a7fae7 | Christos Stavrakakis | vm.task = None
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185 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = None
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186 | 02feca11 | Vassilios Karakoidas | |
187 | 02feca11 | Vassilios Karakoidas | vm.save() |
188 | 22e52ede | Vassilios Karakoidas | |
189 | ad2d6807 | Vangelis Koukis | |
190 | ca4d59e3 | Christos Stavrakakis | def _process_resize(vm, beparams): |
191 | ca4d59e3 | Christos Stavrakakis | """Change flavor of a VirtualMachine based on new beparams."""
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192 | ca4d59e3 | Christos Stavrakakis | old_flavor = vm.flavor |
193 | 41a7fae7 | Christos Stavrakakis | vcpus = beparams.get("vcpus", old_flavor.cpu)
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194 | 41a7fae7 | Christos Stavrakakis | ram = beparams.get("maxmem", old_flavor.ram)
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195 | 41a7fae7 | Christos Stavrakakis | if vcpus == old_flavor.cpu and ram == old_flavor.ram: |
196 | ca4d59e3 | Christos Stavrakakis | return
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197 | ca4d59e3 | Christos Stavrakakis | try:
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198 | ca4d59e3 | Christos Stavrakakis | new_flavor = Flavor.objects.get(cpu=vcpus, ram=ram, |
199 | ca4d59e3 | Christos Stavrakakis | disk=old_flavor.disk, |
200 | ca4d59e3 | Christos Stavrakakis | disk_template=old_flavor.disk_template) |
201 | ca4d59e3 | Christos Stavrakakis | except Flavor.DoesNotExist:
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202 | ca4d59e3 | Christos Stavrakakis | raise Exception("Can not find flavor for VM") |
203 | ca4d59e3 | Christos Stavrakakis | vm.flavor = new_flavor |
204 | ca4d59e3 | Christos Stavrakakis | vm.save() |
205 | ca4d59e3 | Christos Stavrakakis | |
206 | ca4d59e3 | Christos Stavrakakis | |
207 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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208 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
209 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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210 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
211 | fd95834e | Christos Stavrakakis | |
212 | fd95834e | Christos Stavrakakis | |
213 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
214 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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215 | ad2d6807 | Vangelis Koukis |
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216 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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217 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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218 | ad2d6807 | Vangelis Koukis |
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219 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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220 | ad2d6807 | Vangelis Koukis | """
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221 | 37ca953f | Christodoulos Psaltis | |
222 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
223 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
224 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
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225 | 40d53b77 | Christos Stavrakakis | return
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226 | 40d53b77 | Christos Stavrakakis | |
227 | 40d53b77 | Christos Stavrakakis | # Get X-Lock on backend before getting X-Lock on network IP pools, to
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228 | 40d53b77 | Christos Stavrakakis | # guarantee that no deadlock will occur with Backend allocator.
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229 | 40d53b77 | Christos Stavrakakis | Backend.objects.select_for_update().get(id=vm.backend_id) |
230 | b578d9e7 | Christos Stavrakakis | |
231 | 72dea98f | Christos Stavrakakis | # NICs have changed. Release the instance IPs
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232 | 72dea98f | Christos Stavrakakis | release_instance_ips(vm, ganeti_nics) |
233 | 72dea98f | Christos Stavrakakis | # And delete the releated NICs (must be performed after release!)
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234 | 72dea98f | Christos Stavrakakis | vm.nics.all().delete() |
235 | 77f0fa63 | Christos Stavrakakis | |
236 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
237 | 8d325d4b | Christos Stavrakakis | ipv4 = nic["ipv4"]
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238 | f45a7ac4 | Christos Stavrakakis | net = nic['network']
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239 | b578d9e7 | Christos Stavrakakis | if ipv4:
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240 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
241 | b578d9e7 | Christos Stavrakakis | |
242 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
243 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
244 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
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245 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
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246 | b578d9e7 | Christos Stavrakakis | net.save() |
247 | b578d9e7 | Christos Stavrakakis | |
248 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
249 | b578d9e7 | Christos Stavrakakis | vm.save() |
250 | b578d9e7 | Christos Stavrakakis | |
251 | b578d9e7 | Christos Stavrakakis | |
252 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
253 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
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254 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
255 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
256 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
257 | 22ee6892 | Christos Stavrakakis | n = str(network)
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258 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
259 | 77f0fa63 | Christos Stavrakakis | |
260 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
261 | 77f0fa63 | Christos Stavrakakis | |
262 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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263 | 8d325d4b | Christos Stavrakakis | mac = new_nic.get('mac')
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264 | 8d325d4b | Christos Stavrakakis | ipv4 = new_nic.get('ip')
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265 | 8d325d4b | Christos Stavrakakis | ipv6 = mac2eui64(mac, net.subnet6) if net.subnet6 is not None else None |
266 | 8d325d4b | Christos Stavrakakis | |
267 | 8d325d4b | Christos Stavrakakis | firewall = new_nic.get('firewall')
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268 | 8d325d4b | Christos Stavrakakis | firewall_profile = _reverse_tags.get(firewall) |
269 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
270 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
271 | 9afeb669 | Kostas Papadimitriou | |
272 | b578d9e7 | Christos Stavrakakis | nic = { |
273 | cc92b70f | Christos Stavrakakis | 'index': i,
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274 | cc92b70f | Christos Stavrakakis | 'network': net,
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275 | cc92b70f | Christos Stavrakakis | 'mac': mac,
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276 | cc92b70f | Christos Stavrakakis | 'ipv4': ipv4,
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277 | cc92b70f | Christos Stavrakakis | 'ipv6': ipv6,
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278 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
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279 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
280 | b578d9e7 | Christos Stavrakakis | |
281 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
282 | b578d9e7 | Christos Stavrakakis | return new_nics
|
283 | b578d9e7 | Christos Stavrakakis | |
284 | b578d9e7 | Christos Stavrakakis | |
285 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
286 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
|
287 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
288 | b578d9e7 | Christos Stavrakakis | return True |
289 | be4d8aed | Christos Stavrakakis | fields = ["ipv4", "ipv6", "mac", "firewall_profile", "index", "network"] |
290 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
291 | be4d8aed | Christos Stavrakakis | for field in fields: |
292 | be4d8aed | Christos Stavrakakis | if getattr(old_nic, field) != new_nic[field]: |
293 | be4d8aed | Christos Stavrakakis | return True |
294 | b578d9e7 | Christos Stavrakakis | return False |
295 | 22ee6892 | Christos Stavrakakis | |
296 | 22ee6892 | Christos Stavrakakis | |
297 | 72dea98f | Christos Stavrakakis | def release_instance_ips(vm, ganeti_nics): |
298 | 72dea98f | Christos Stavrakakis | old_addresses = set(vm.nics.values_list("network", "ipv4")) |
299 | f8675683 | Christos Stavrakakis | new_addresses = set(map(lambda nic: (nic["network"].id, nic["ipv4"]), |
300 | 72dea98f | Christos Stavrakakis | ganeti_nics)) |
301 | 72dea98f | Christos Stavrakakis | to_release = old_addresses - new_addresses |
302 | 72dea98f | Christos Stavrakakis | for (network_id, ipv4) in to_release: |
303 | 72dea98f | Christos Stavrakakis | if ipv4:
|
304 | 0c50c760 | Christos Stavrakakis | # Get X-Lock before searching floating IP, to exclusively search
|
305 | 0c50c760 | Christos Stavrakakis | # and release floating IP. Otherwise you may release a floating IP
|
306 | 0c50c760 | Christos Stavrakakis | # that has been just reserved.
|
307 | 0c50c760 | Christos Stavrakakis | net = Network.objects.select_for_update().get(id=network_id) |
308 | 0c50c760 | Christos Stavrakakis | if net.floating_ip_pool:
|
309 | 0c50c760 | Christos Stavrakakis | try:
|
310 | 0c50c760 | Christos Stavrakakis | floating_ip = net.floating_ips.select_for_update()\ |
311 | 0c50c760 | Christos Stavrakakis | .get(ipv4=ipv4, machine=vm, |
312 | 0c50c760 | Christos Stavrakakis | deleted=False)
|
313 | 0c50c760 | Christos Stavrakakis | floating_ip.machine = None
|
314 | 0c50c760 | Christos Stavrakakis | floating_ip.save() |
315 | 0c50c760 | Christos Stavrakakis | except FloatingIP.DoesNotExist:
|
316 | 0c50c760 | Christos Stavrakakis | net.release_address(ipv4) |
317 | 0c50c760 | Christos Stavrakakis | else:
|
318 | 72dea98f | Christos Stavrakakis | net.release_address(ipv4) |
319 | bd392934 | Christos Stavrakakis | |
320 | bd392934 | Christos Stavrakakis | |
321 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
|
322 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
323 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
324 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
325 | 22ee6892 | Christos Stavrakakis | |
326 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
327 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
328 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
329 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
330 | 22ee6892 | Christos Stavrakakis | |
331 | 05146623 | Christos Stavrakakis | network = back_network.network |
332 | 05146623 | Christos Stavrakakis | |
333 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
|
334 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
335 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
336 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
337 | 22ee6892 | Christos Stavrakakis | |
338 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
339 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
|
340 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
341 | 22ee6892 | Christos Stavrakakis | |
342 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
343 | 05146623 | Christos Stavrakakis | if (status == 'success' or |
344 | 05146623 | Christos Stavrakakis | (status == 'error' and (back_network.operstate == 'ERROR' or |
345 | 05146623 | Christos Stavrakakis | network.action == 'DESTROY'))):
|
346 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
347 | e97288bc | Christos Stavrakakis | back_network.deleted = True
|
348 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
349 | 22ee6892 | Christos Stavrakakis | |
350 | e97288bc | Christos Stavrakakis | if status == 'success': |
351 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
352 | 22ee6892 | Christos Stavrakakis | back_network.save() |
353 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
|
354 | 05146623 | Christos Stavrakakis | update_network_state(network) |
355 | fd2bdbb2 | Christos Stavrakakis | |
356 | fd2bdbb2 | Christos Stavrakakis | |
357 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
358 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
|
359 | cb4eee84 | Christos Stavrakakis |
|
360 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
|
361 | 99af08a4 | Christos Stavrakakis | backends that network exists.
|
362 | 99af08a4 | Christos Stavrakakis |
|
363 | 99af08a4 | Christos Stavrakakis | The state of the network is:
|
364 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
|
365 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
|
366 | 99af08a4 | Christos Stavrakakis |
|
367 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
|
368 | 99af08a4 | Christos Stavrakakis | quotas for the network.
|
369 | 99af08a4 | Christos Stavrakakis |
|
370 | 99af08a4 | Christos Stavrakakis | """
|
371 | 99af08a4 | Christos Stavrakakis | if network.deleted:
|
372 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
|
373 | 99af08a4 | Christos Stavrakakis | # DELETED
|
374 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
375 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
376 | 99af08a4 | Christos Stavrakakis | network.save() |
377 | cb4eee84 | Christos Stavrakakis | return
|
378 | cb4eee84 | Christos Stavrakakis | |
379 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
380 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
381 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
382 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
|
383 | 99af08a4 | Christos Stavrakakis | network.save() |
384 | 99af08a4 | Christos Stavrakakis | return
|
385 | 99af08a4 | Christos Stavrakakis | |
386 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
|
387 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
388 | 27cda06b | Christos Stavrakakis | "DELETED")
|
389 | 99af08a4 | Christos Stavrakakis | |
390 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
|
391 | 99af08a4 | Christos Stavrakakis | if deleted:
|
392 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
|
393 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
394 | cb4eee84 | Christos Stavrakakis | network.deleted = True
|
395 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
396 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
|
397 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
398 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
|
399 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
400 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
401 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
402 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
403 | cb4eee84 | Christos Stavrakakis | |
404 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
405 | e18c1749 | Christos Stavrakakis | if network.userid:
|
406 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(network, delete=True)
|
407 | e18c1749 | Christos Stavrakakis | elif not network.public: |
408 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
409 | cb4eee84 | Christos Stavrakakis | network.save() |
410 | cb4eee84 | Christos Stavrakakis | |
411 | cb4eee84 | Christos Stavrakakis | |
412 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
413 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
414 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
415 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
416 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
417 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
418 | fd2bdbb2 | Christos Stavrakakis | |
419 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
420 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
421 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
422 | fd2bdbb2 | Christos Stavrakakis | |
423 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
424 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
425 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
426 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
427 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
428 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
429 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
430 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
431 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
432 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
433 | fd2bdbb2 | Christos Stavrakakis | |
434 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
435 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
436 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
437 | ad2d6807 | Vangelis Koukis | |
438 | c25cc9ec | Vangelis Koukis | |
439 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
440 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
441 | 9068cd85 | Georgios Gousios | |
442 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
443 | 9068cd85 | Georgios Gousios | |
444 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
445 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
446 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
447 | af90d919 | Vangelis Koukis | if percentage < 0: |
448 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
449 | 9068cd85 | Georgios Gousios | |
450 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
451 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
452 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
453 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
454 | 9068cd85 | Georgios Gousios | |
455 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
456 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
457 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
458 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
459 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
460 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
461 | c25cc9ec | Vangelis Koukis | #
|
462 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
463 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
464 | 9068cd85 | Georgios Gousios | |
465 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
466 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
467 | 9068cd85 | Georgios Gousios | vm.save() |
468 | ad2d6807 | Vangelis Koukis | |
469 | c25cc9ec | Vangelis Koukis | |
470 | 952b2a48 | Christos Stavrakakis | @transaction.commit_on_success
|
471 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
472 | cc92b70f | Christos Stavrakakis | details=None):
|
473 | 7d43565f | Kostas Papadimitriou | """
|
474 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
475 | 7d43565f | Kostas Papadimitriou |
|
476 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
477 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
478 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
479 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
480 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
481 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
482 | 7d43565f | Kostas Papadimitriou | """
|
483 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
484 | cc92b70f | Christos Stavrakakis | source_date=etime, |
485 | cc92b70f | Christos Stavrakakis | message=message, |
486 | cc92b70f | Christos Stavrakakis | details=details) |
487 | 7d43565f | Kostas Papadimitriou | |
488 | 7d43565f | Kostas Papadimitriou | |
489 | 2c022086 | Christos Stavrakakis | def create_instance(vm, nics, flavor, image): |
490 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
491 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
492 | 7f691719 | Christos Stavrakakis |
|
493 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
494 | 3a9b3cde | Giorgos Verigakis | """
|
495 | 864bed43 | Christos Stavrakakis | |
496 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
497 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
498 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
499 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
500 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
501 | 1c382247 | Vangelis Koukis | #
|
502 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
503 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
504 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
505 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
506 | 296682fe | Kostas Papadimitriou | |
507 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
508 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
509 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
510 | 296682fe | Kostas Papadimitriou | if provider:
|
511 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
512 | b2222a7f | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
513 | 296682fe | Kostas Papadimitriou | |
514 | cb66110b | Christos Stavrakakis | kw['nics'] = [{"network": nic.network.backend_id, "ip": nic.ipv4} |
515 | cb66110b | Christos Stavrakakis | for nic in nics] |
516 | cb66110b | Christos Stavrakakis | backend = vm.backend |
517 | cb66110b | Christos Stavrakakis | depend_jobs = [] |
518 | cb66110b | Christos Stavrakakis | for nic in nics: |
519 | cb66110b | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=nic.network.id) |
520 | cb66110b | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
521 | cb66110b | Christos Stavrakakis | network=network) |
522 | cb66110b | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
523 | cb66110b | Christos Stavrakakis | if network.public:
|
524 | 736b9244 | Christos Stavrakakis | msg = "Can not connect instance to network %s. Network is not"\
|
525 | 736b9244 | Christos Stavrakakis | " ACTIVE in backend %s." % (network, backend)
|
526 | 736b9244 | Christos Stavrakakis | raise Exception(msg) |
527 | cb66110b | Christos Stavrakakis | else:
|
528 | 527c7a7b | Christos Stavrakakis | jobs = create_network(network, backend, connect=True)
|
529 | 527c7a7b | Christos Stavrakakis | if isinstance(jobs, list): |
530 | 527c7a7b | Christos Stavrakakis | depend_jobs.extend(jobs) |
531 | 527c7a7b | Christos Stavrakakis | else:
|
532 | 527c7a7b | Christos Stavrakakis | depend_jobs.append(jobs) |
533 | cb66110b | Christos Stavrakakis | kw["depends"] = [[job, ["success", "error", "canceled"]] |
534 | cb66110b | Christos Stavrakakis | for job in depend_jobs] |
535 | cb66110b | Christos Stavrakakis | |
536 | bd87213f | Christos Stavrakakis | if vm.backend.use_hotplug():
|
537 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
538 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
539 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
540 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
541 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
542 | 79b7dbb7 | Christos Stavrakakis | |
543 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
544 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
545 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
546 | 79b7dbb7 | Christos Stavrakakis | |
547 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
548 | 41303ed0 | Vangelis Koukis | |
549 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
550 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
551 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
552 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
553 | 79b7dbb7 | Christos Stavrakakis | |
554 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
555 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
556 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
557 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
558 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
559 | d1eaa651 | Christos Stavrakakis | |
560 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
561 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
562 | 79b7dbb7 | Christos Stavrakakis | |
563 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
564 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
565 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
566 | f533f224 | Vangelis Koukis | |
567 | 529178b1 | Giorgos Verigakis | |
568 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
569 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
570 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
571 | 529178b1 | Giorgos Verigakis | |
572 | ad2d6807 | Vangelis Koukis | |
573 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
574 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
575 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
576 | bf5c82dc | Christos Stavrakakis | return client.RebootInstance(vm.backend_vm_id, reboot_type,
|
577 | bf5c82dc | Christos Stavrakakis | dry_run=settings.TEST) |
578 | 529178b1 | Giorgos Verigakis | |
579 | ad2d6807 | Vangelis Koukis | |
580 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
581 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
582 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
583 | 529178b1 | Giorgos Verigakis | |
584 | ad2d6807 | Vangelis Koukis | |
585 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
586 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
587 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
588 | 529178b1 | Giorgos Verigakis | |
589 | ad2d6807 | Vangelis Koukis | |
590 | 2cd3f389 | Christos Stavrakakis | def resize_instance(vm, vcpus, memory): |
591 | 2cd3f389 | Christos Stavrakakis | beparams = {"vcpus": int(vcpus), |
592 | 2cd3f389 | Christos Stavrakakis | "minmem": int(memory), |
593 | 2cd3f389 | Christos Stavrakakis | "maxmem": int(memory)} |
594 | 2cd3f389 | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
595 | 2cd3f389 | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, beparams=beparams)
|
596 | 2cd3f389 | Christos Stavrakakis | |
597 | 2cd3f389 | Christos Stavrakakis | |
598 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
599 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
600 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
601 | 71099804 | Vangelis Koukis | # useless (see #783).
|
602 | 71099804 | Vangelis Koukis | #
|
603 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
604 | 71099804 | Vangelis Koukis | # directly.
|
605 | 9afeb669 | Kostas Papadimitriou | #
|
606 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
607 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
608 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
609 | 71099804 | Vangelis Koukis | #
|
610 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
611 | bf5c82dc | Christos Stavrakakis | |
612 | 71099804 | Vangelis Koukis | console = {} |
613 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
614 | 3524241a | Christos Stavrakakis | |
615 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
616 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
617 | 3524241a | Christos Stavrakakis | |
618 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
619 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
620 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
621 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
622 | 9afeb669 | Kostas Papadimitriou | |
623 | 71099804 | Vangelis Koukis | return console
|
624 | 604b2bf8 | Georgios Gousios | |
625 | 604b2bf8 | Georgios Gousios | |
626 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
627 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
628 | 3524241a | Christos Stavrakakis | return client.GetInstanceInfo(vm.backend_vm_id)
|
629 | f533f224 | Vangelis Koukis | |
630 | c25cc9ec | Vangelis Koukis | |
631 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
632 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
633 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
634 | 64938cb0 | Giorgos Verigakis | |
635 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
636 | c25cc9ec | Vangelis Koukis | |
637 | 99af08a4 | Christos Stavrakakis | if connect:
|
638 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
639 | 99af08a4 | Christos Stavrakakis | return job_ids
|
640 | 99af08a4 | Christos Stavrakakis | else:
|
641 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
642 | 37ca953f | Christodoulos Psaltis | |
643 | 64938cb0 | Giorgos Verigakis | |
644 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
645 | 3524241a | Christos Stavrakakis | """Create a network."""
|
646 | c25cc9ec | Vangelis Koukis | |
647 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
648 | 22ee6892 | Christos Stavrakakis | |
649 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
650 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
651 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
652 | 2d762302 | Dimitris Aragiorgis | |
653 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
654 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
655 | 2d762302 | Dimitris Aragiorgis | else:
|
656 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
657 | 22ee6892 | Christos Stavrakakis | |
658 | 5aeb4e93 | Christos Stavrakakis | # Use a dummy network subnet for IPv6 only networks. Currently Ganeti does
|
659 | 5aeb4e93 | Christos Stavrakakis | # not support IPv6 only networks. To bypass this limitation, we create the
|
660 | 5aeb4e93 | Christos Stavrakakis | # network with a dummy network subnet, and make Cyclades connect instances
|
661 | 5aeb4e93 | Christos Stavrakakis | # to such networks, with address=None.
|
662 | 5aeb4e93 | Christos Stavrakakis | subnet = network.subnet |
663 | 5aeb4e93 | Christos Stavrakakis | if subnet is None: |
664 | 5aeb4e93 | Christos Stavrakakis | subnet = "10.0.0.0/24"
|
665 | 5aeb4e93 | Christos Stavrakakis | |
666 | 3524241a | Christos Stavrakakis | try:
|
667 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
668 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
669 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
670 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
671 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
672 | 3524241a | Christos Stavrakakis | |
673 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
674 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
675 | 5aeb4e93 | Christos Stavrakakis | network=subnet, |
676 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
677 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
678 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
679 | 3524241a | Christos Stavrakakis | network_type=network_type, |
680 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
681 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
682 | 3524241a | Christos Stavrakakis | tags=tags) |
683 | 3524241a | Christos Stavrakakis | |
684 | 3524241a | Christos Stavrakakis | |
685 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
686 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
687 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
688 | bf5c82dc | Christos Stavrakakis | |
689 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
690 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
691 | 2d762302 | Dimitris Aragiorgis | else:
|
692 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
693 | 2d762302 | Dimitris Aragiorgis | |
694 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
695 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
696 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
697 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
698 | 99af08a4 | Christos Stavrakakis | for group in groups: |
699 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
700 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
701 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
702 | 99af08a4 | Christos Stavrakakis | depends=depends) |
703 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
704 | 99af08a4 | Christos Stavrakakis | return job_ids
|
705 | 22ee6892 | Christos Stavrakakis | |
706 | 22ee6892 | Christos Stavrakakis | |
707 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
708 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
709 | 22ee6892 | Christos Stavrakakis | |
710 | 99af08a4 | Christos Stavrakakis | depends = [] |
711 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
712 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
713 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
714 | bf5c82dc | Christos Stavrakakis | |
715 | 22ee6892 | Christos Stavrakakis | |
716 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
717 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
718 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
719 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
720 | 22ee6892 | Christos Stavrakakis | |
721 | 22ee6892 | Christos Stavrakakis | |
722 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
723 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
724 | 22ee6892 | Christos Stavrakakis | |
725 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
726 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
727 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
728 | 99af08a4 | Christos Stavrakakis | for group in groups: |
729 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
730 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
731 | 99af08a4 | Christos Stavrakakis | return job_ids
|
732 | 36f4cb29 | Christos Stavrakakis | |
733 | 36f4cb29 | Christos Stavrakakis | |
734 | 87920bc3 | Christos Stavrakakis | def connect_to_network(vm, network, address=None): |
735 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
736 | acfc71ef | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network.id) |
737 | 99af08a4 | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
738 | 99af08a4 | Christos Stavrakakis | network=network) |
739 | 99af08a4 | Christos Stavrakakis | depend_jobs = [] |
740 | 99af08a4 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
741 | 99af08a4 | Christos Stavrakakis | depend_jobs = create_network(network, backend, connect=True)
|
742 | 99af08a4 | Christos Stavrakakis | |
743 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depend_jobs] |
744 | 99af08a4 | Christos Stavrakakis | |
745 | 3524241a | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
746 | 22ee6892 | Christos Stavrakakis | |
747 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting vm %s to network %s(%s)", vm, network, address)
|
748 | 22ee6892 | Christos Stavrakakis | |
749 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
750 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)], |
751 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
752 | 99af08a4 | Christos Stavrakakis | depends=depends, |
753 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
754 | 22ee6892 | Christos Stavrakakis | |
755 | 22ee6892 | Christos Stavrakakis | |
756 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
757 | 3524241a | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
758 | 22ee6892 | Christos Stavrakakis | |
759 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
760 | 22ee6892 | Christos Stavrakakis | |
761 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
762 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=op,
|
763 | bd87213f | Christos Stavrakakis | hotplug=vm.backend.use_hotplug(), |
764 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
765 | 91826390 | Giorgos Verigakis | |
766 | c25cc9ec | Vangelis Koukis | |
767 | b2791a77 | Christos Stavrakakis | def set_firewall_profile(vm, profile, index=0): |
768 | 26563957 | Giorgos Verigakis | try:
|
769 | b2791a77 | Christos Stavrakakis | tag = _firewall_tags[profile] % index |
770 | 26563957 | Giorgos Verigakis | except KeyError: |
771 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
772 | 37ca953f | Christodoulos Psaltis | |
773 | b2791a77 | Christos Stavrakakis | log.debug("Setting tag of VM %s, NIC index %d, to %s", vm, index, profile)
|
774 | bf5c82dc | Christos Stavrakakis | |
775 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
776 | b2791a77 | Christos Stavrakakis | # Delete previous firewall tags
|
777 | b2791a77 | Christos Stavrakakis | old_tags = client.GetInstanceTags(vm.backend_vm_id) |
778 | b2791a77 | Christos Stavrakakis | delete_tags = [(t % index) for t in _firewall_tags.values() |
779 | b2791a77 | Christos Stavrakakis | if (t % index) in old_tags] |
780 | b2791a77 | Christos Stavrakakis | if delete_tags:
|
781 | b2791a77 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, delete_tags, |
782 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
783 | 37ca953f | Christodoulos Psaltis | |
784 | 3524241a | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
785 | 9afeb669 | Kostas Papadimitriou | |
786 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
787 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
788 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
789 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
790 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
791 | 41a7fae7 | Christos Stavrakakis | return None |
792 | 5eedb0e4 | Vangelis Koukis | |
793 | 41303ed0 | Vangelis Koukis | |
794 | e77a29ab | Christos Stavrakakis | def get_instances(backend, bulk=True): |
795 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
796 | e77a29ab | Christos Stavrakakis | return c.GetInstances(bulk=bulk)
|
797 | d986cb32 | Christos Stavrakakis | |
798 | f5b4f2a3 | Christos Stavrakakis | |
799 | e77a29ab | Christos Stavrakakis | def get_nodes(backend, bulk=True): |
800 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
801 | e77a29ab | Christos Stavrakakis | return c.GetNodes(bulk=bulk)
|
802 | 1a894bfe | Christos Stavrakakis | |
803 | 1a894bfe | Christos Stavrakakis | |
804 | 70a0afab | Christos Stavrakakis | def get_jobs(backend, bulk=True): |
805 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
806 | 70a0afab | Christos Stavrakakis | return c.GetJobs(bulk=bulk)
|
807 | f5b4f2a3 | Christos Stavrakakis | |
808 | 17852fe9 | Giorgos Verigakis | |
809 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
810 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
811 | 1a894bfe | Christos Stavrakakis |
|
812 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
813 | 41303ed0 | Vangelis Koukis |
|
814 | 1a894bfe | Christos Stavrakakis | """
|
815 | e77a29ab | Christos Stavrakakis | nodes = get_nodes(backend, bulk=True)
|
816 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
817 | 1a894bfe | Christos Stavrakakis | res = {} |
818 | 1a894bfe | Christos Stavrakakis | for a in attr: |
819 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
820 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
821 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
822 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
823 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
824 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
825 | 1a894bfe | Christos Stavrakakis | for a in attr: |
826 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
827 | 1a894bfe | Christos Stavrakakis | return res
|
828 | 1a894bfe | Christos Stavrakakis | |
829 | 1a894bfe | Christos Stavrakakis | |
830 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
831 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
832 | 1a894bfe | Christos Stavrakakis |
|
833 | 1a894bfe | Christos Stavrakakis | """
|
834 | 17852fe9 | Giorgos Verigakis | |
835 | 1a894bfe | Christos Stavrakakis | if not resources: |
836 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
837 | 41303ed0 | Vangelis Koukis | |
838 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
839 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
840 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
841 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
842 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
843 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
844 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
845 | 1a894bfe | Christos Stavrakakis | backend.save() |
846 | 1a894bfe | Christos Stavrakakis | |
847 | 1a894bfe | Christos Stavrakakis | |
848 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
849 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
850 | 1a894bfe | Christos Stavrakakis |
|
851 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
852 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
853 | 1a894bfe | Christos Stavrakakis |
|
854 | 1a894bfe | Christos Stavrakakis | """
|
855 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
856 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
857 | 1a894bfe | Christos Stavrakakis | mem = 0
|
858 | 1a894bfe | Christos Stavrakakis | for i in instances: |
859 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
860 | 1a894bfe | Christos Stavrakakis | return mem
|
861 | b3d28af2 | Christos Stavrakakis | |
862 | b3d28af2 | Christos Stavrakakis | ##
|
863 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
864 | b3d28af2 | Christos Stavrakakis | ##
|
865 | b3d28af2 | Christos Stavrakakis | |
866 | b3d28af2 | Christos Stavrakakis | |
867 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
868 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
869 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
870 | b3d28af2 | Christos Stavrakakis | return result
|
871 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
872 | b3d28af2 | Christos Stavrakakis | return result
|
873 | b3d28af2 | Christos Stavrakakis | |
874 | b3d28af2 | Christos Stavrakakis | |
875 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
876 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
877 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
878 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
879 | 3524241a | Christos Stavrakakis | return result
|
880 | b3d28af2 | Christos Stavrakakis | |
881 | b3d28af2 | Christos Stavrakakis | |
882 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
883 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
884 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
885 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
886 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
887 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
888 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
889 | 3524241a | Christos Stavrakakis | return result
|
890 | b3d28af2 | Christos Stavrakakis | |
891 | b3d28af2 | Christos Stavrakakis | return result
|
892 | b3d28af2 | Christos Stavrakakis | |
893 | b3d28af2 | Christos Stavrakakis | |
894 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
895 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
896 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
897 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
898 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
899 | cc92b70f | Christos Stavrakakis | [result], None)
|
900 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
901 | b3d28af2 | Christos Stavrakakis | |
902 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
903 | b3d28af2 | Christos Stavrakakis | return (status, None) |
904 | b3d28af2 | Christos Stavrakakis | else:
|
905 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
906 | b3d28af2 | Christos Stavrakakis | return (status, error) |