root / snf-cyclades-app / synnefo / logic / backend.py @ 9dcfad23
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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 | 198d91c3 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError |
47 | 529178b1 | Giorgos Verigakis | |
48 | 3524241a | Christos Stavrakakis | from logging import getLogger |
49 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
50 | 9e98ba3c | Giorgos Verigakis | |
51 | 529178b1 | Giorgos Verigakis | |
52 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
53 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
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54 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
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55 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
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56 | efff6193 | Giorgos Verigakis | |
57 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
58 | efff6193 | Giorgos Verigakis | |
59 | 02feca11 | Vassilios Karakoidas | |
60 | 41a7fae7 | Christos Stavrakakis | def handle_vm_quotas(vm, job_id, job_opcode, job_status, job_fields): |
61 | 41a7fae7 | Christos Stavrakakis | """Handle quotas for updated VirtualMachine.
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62 | 41a7fae7 | Christos Stavrakakis |
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63 | 41a7fae7 | Christos Stavrakakis | Update quotas for the updated VirtualMachine based on the job that run on
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64 | 41a7fae7 | Christos Stavrakakis | the Ganeti backend. If a commission has been already issued for this job,
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65 | 41a7fae7 | Christos Stavrakakis | then this commission is just accepted or rejected based on the job status.
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66 | 41a7fae7 | Christos Stavrakakis | Otherwise, a new commission for the given change is issued, that is also in
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67 | 41a7fae7 | Christos Stavrakakis | force and auto-accept mode. In this case, previous commissions are
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68 | 41a7fae7 | Christos Stavrakakis | rejected, since they reflect a previous state of the VM.
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69 | 41a7fae7 | Christos Stavrakakis |
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70 | 41a7fae7 | Christos Stavrakakis | """
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71 | 41a7fae7 | Christos Stavrakakis | if job_status not in ["success", "error", "canceled"]: |
72 | 41a7fae7 | Christos Stavrakakis | return
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73 | 41a7fae7 | Christos Stavrakakis | |
74 | 41a7fae7 | Christos Stavrakakis | # Check successful completion of a job will trigger any quotable change in
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75 | 41a7fae7 | Christos Stavrakakis | # the VM state.
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76 | 41a7fae7 | Christos Stavrakakis | action = utils.get_action_from_opcode(job_opcode, job_fields) |
77 | 41a7fae7 | Christos Stavrakakis | commission_info = quotas.get_commission_info(vm, action=action, |
78 | 41a7fae7 | Christos Stavrakakis | action_fields=job_fields) |
79 | 41a7fae7 | Christos Stavrakakis | |
80 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == job_id and vm.serial is not None: |
81 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has already been issued. So just
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82 | 562bf712 | Christos Stavrakakis | # accept/reject it. Special case is OP_INSTANCE_CREATE, which even
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83 | 562bf712 | Christos Stavrakakis | # if fails, must be accepted, as the user must manually remove the
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84 | 562bf712 | Christos Stavrakakis | # failed server
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85 | 41a7fae7 | Christos Stavrakakis | serial = vm.serial |
86 | 562bf712 | Christos Stavrakakis | if job_status == "success" or job_opcode == "OP_INSTANCE_CREATE": |
87 | 41a7fae7 | Christos Stavrakakis | quotas.accept_serial(serial) |
88 | 41a7fae7 | Christos Stavrakakis | elif job_status in ["error", "canceled"]: |
89 | 41a7fae7 | Christos Stavrakakis | log.debug("Job %s failed. Rejecting related serial %s", job_id,
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90 | 41a7fae7 | Christos Stavrakakis | serial) |
91 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(serial) |
92 | 41a7fae7 | Christos Stavrakakis | vm.serial = None
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93 | 41a7fae7 | Christos Stavrakakis | elif job_status == "success" and commission_info is not None: |
94 | 41a7fae7 | Christos Stavrakakis | log.debug("Expected job was %s. Processing job %s. Commission for"
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95 | 41a7fae7 | Christos Stavrakakis | " this job: %s", vm.task_job_id, job_id, commission_info)
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96 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has not been issued, or the issued
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97 | 41a7fae7 | Christos Stavrakakis | # commission was unaware of the current change. Reject all previous
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98 | 41a7fae7 | Christos Stavrakakis | # commissions and create a new one in forced mode!
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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 | 5c8076b6 | Christos Stavrakakis | quotas.handle_resource_commission(vm, action, |
102 | 5c8076b6 | Christos Stavrakakis | commission_info=commission_info, |
103 | 5c8076b6 | Christos Stavrakakis | commission_name=commission_name, |
104 | 5c8076b6 | Christos Stavrakakis | force=True,
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105 | 5c8076b6 | Christos Stavrakakis | auto_accept=True)
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106 | 5c8076b6 | Christos Stavrakakis | log.debug("Issued new commission: %s", vm.serial)
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107 | 41a7fae7 | Christos Stavrakakis | |
108 | 41a7fae7 | Christos Stavrakakis | return vm
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109 | 41a7fae7 | Christos Stavrakakis | |
110 | 41a7fae7 | Christos Stavrakakis | |
111 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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112 | ca4d59e3 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None, |
113 | ca4d59e3 | Christos Stavrakakis | beparams=None):
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114 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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115 | 02feca11 | Vassilios Karakoidas |
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116 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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117 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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118 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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119 | 02feca11 | Vassilios Karakoidas |
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120 | 02feca11 | Vassilios Karakoidas | """
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121 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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122 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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123 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
124 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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125 | 02feca11 | Vassilios Karakoidas | |
126 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
127 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
128 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
129 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
130 | 02feca11 | Vassilios Karakoidas | |
131 | 41a7fae7 | Christos Stavrakakis | if status in ["queued", "waiting", "running"]: |
132 | 41a7fae7 | Christos Stavrakakis | vm.save() |
133 | 41a7fae7 | Christos Stavrakakis | return
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134 | 41a7fae7 | Christos Stavrakakis | |
135 | 41a7fae7 | Christos Stavrakakis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode) |
136 | 32a0b855 | Giorgos Korfiatis | |
137 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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138 | 41a7fae7 | Christos Stavrakakis | if status == "success": |
139 | 41a7fae7 | Christos Stavrakakis | if state_for_success is not None: |
140 | 41a7fae7 | Christos Stavrakakis | vm.operstate = state_for_success |
141 | 41a7fae7 | Christos Stavrakakis | if beparams:
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142 | 41a7fae7 | Christos Stavrakakis | # Change the flavor of the VM
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143 | ca4d59e3 | Christos Stavrakakis | _process_resize(vm, beparams) |
144 | 41a7fae7 | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully
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145 | 41a7fae7 | Christos Stavrakakis | # completed, since only these jobs update the state of the VM. Else a
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146 | 41a7fae7 | Christos Stavrakakis | # "race condition" may occur when a successful job (e.g.
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147 | 41a7fae7 | Christos Stavrakakis | # OP_INSTANCE_REMOVE) completes before an error job and messages arrive
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148 | 41a7fae7 | Christos Stavrakakis | # in reversed order.
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149 | 41a7fae7 | Christos Stavrakakis | vm.backendtime = etime |
150 | ca4d59e3 | Christos Stavrakakis | |
151 | 90858bda | Christos Stavrakakis | if status in ["success", "error", "canceled"] and nics is not None: |
152 | 90858bda | Christos Stavrakakis | # Update the NICs of the VM
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153 | 90858bda | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
154 | 90858bda | Christos Stavrakakis | |
155 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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156 | cb4eee84 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in ('canceled', 'error'): |
157 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
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158 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
159 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
160 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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161 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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162 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
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163 | ed2064f8 | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
164 | 198d91c3 | Christos Stavrakakis | not vm_exists_in_backend(vm)):
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165 | 72dea98f | Christos Stavrakakis | # VM has been deleted. Release the instance IPs
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166 | 72dea98f | Christos Stavrakakis | release_instance_ips(vm, []) |
167 | 72dea98f | Christos Stavrakakis | # And delete the releated NICs (must be performed after release!)
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168 | 72dea98f | Christos Stavrakakis | vm.nics.all().delete() |
169 | e97288bc | Christos Stavrakakis | vm.deleted = True
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170 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
171 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
172 | 41a7fae7 | Christos Stavrakakis | status = "success"
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173 | 41a7fae7 | Christos Stavrakakis | |
174 | 41a7fae7 | Christos Stavrakakis | if status in ["success", "error", "canceled"]: |
175 | 41a7fae7 | Christos Stavrakakis | # Job is finalized: Handle quotas/commissioning
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176 | 41a7fae7 | Christos Stavrakakis | job_fields = {"nics": nics, "beparams": beparams} |
177 | 41a7fae7 | Christos Stavrakakis | vm = handle_vm_quotas(vm, job_id=jobid, job_opcode=opcode, |
178 | 41a7fae7 | Christos Stavrakakis | job_status=status, job_fields=job_fields) |
179 | 41a7fae7 | Christos Stavrakakis | # and clear task fields
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180 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == jobid:
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181 | 41a7fae7 | Christos Stavrakakis | vm.task = None
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182 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = None
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183 | 02feca11 | Vassilios Karakoidas | |
184 | 02feca11 | Vassilios Karakoidas | vm.save() |
185 | 22e52ede | Vassilios Karakoidas | |
186 | ad2d6807 | Vangelis Koukis | |
187 | ca4d59e3 | Christos Stavrakakis | def _process_resize(vm, beparams): |
188 | ca4d59e3 | Christos Stavrakakis | """Change flavor of a VirtualMachine based on new beparams."""
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189 | ca4d59e3 | Christos Stavrakakis | old_flavor = vm.flavor |
190 | 41a7fae7 | Christos Stavrakakis | vcpus = beparams.get("vcpus", old_flavor.cpu)
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191 | 41a7fae7 | Christos Stavrakakis | ram = beparams.get("maxmem", old_flavor.ram)
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192 | 41a7fae7 | Christos Stavrakakis | if vcpus == old_flavor.cpu and ram == old_flavor.ram: |
193 | ca4d59e3 | Christos Stavrakakis | return
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194 | ca4d59e3 | Christos Stavrakakis | try:
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195 | ca4d59e3 | Christos Stavrakakis | new_flavor = Flavor.objects.get(cpu=vcpus, ram=ram, |
196 | ca4d59e3 | Christos Stavrakakis | disk=old_flavor.disk, |
197 | ca4d59e3 | Christos Stavrakakis | disk_template=old_flavor.disk_template) |
198 | ca4d59e3 | Christos Stavrakakis | except Flavor.DoesNotExist:
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199 | ca4d59e3 | Christos Stavrakakis | raise Exception("Can not find flavor for VM") |
200 | ca4d59e3 | Christos Stavrakakis | vm.flavor = new_flavor |
201 | ca4d59e3 | Christos Stavrakakis | vm.save() |
202 | ca4d59e3 | Christos Stavrakakis | |
203 | ca4d59e3 | Christos Stavrakakis | |
204 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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205 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
206 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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207 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
208 | fd95834e | Christos Stavrakakis | |
209 | fd95834e | Christos Stavrakakis | |
210 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
211 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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212 | ad2d6807 | Vangelis Koukis |
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213 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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214 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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215 | ad2d6807 | Vangelis Koukis |
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216 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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217 | ad2d6807 | Vangelis Koukis | """
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218 | 37ca953f | Christodoulos Psaltis | |
219 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
220 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
221 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
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222 | 40d53b77 | Christos Stavrakakis | return
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223 | 40d53b77 | Christos Stavrakakis | |
224 | 40d53b77 | Christos Stavrakakis | # Get X-Lock on backend before getting X-Lock on network IP pools, to
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225 | 40d53b77 | Christos Stavrakakis | # guarantee that no deadlock will occur with Backend allocator.
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226 | 40d53b77 | Christos Stavrakakis | Backend.objects.select_for_update().get(id=vm.backend_id) |
227 | b578d9e7 | Christos Stavrakakis | |
228 | 72dea98f | Christos Stavrakakis | # NICs have changed. Release the instance IPs
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229 | 72dea98f | Christos Stavrakakis | release_instance_ips(vm, ganeti_nics) |
230 | 72dea98f | Christos Stavrakakis | # And delete the releated NICs (must be performed after release!)
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231 | 72dea98f | Christos Stavrakakis | vm.nics.all().delete() |
232 | 77f0fa63 | Christos Stavrakakis | |
233 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
234 | 8d325d4b | Christos Stavrakakis | ipv4 = nic["ipv4"]
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235 | f45a7ac4 | Christos Stavrakakis | net = nic['network']
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236 | b578d9e7 | Christos Stavrakakis | if ipv4:
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237 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
238 | b578d9e7 | Christos Stavrakakis | |
239 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
240 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
241 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
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242 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
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243 | b578d9e7 | Christos Stavrakakis | net.save() |
244 | b578d9e7 | Christos Stavrakakis | |
245 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
246 | b578d9e7 | Christos Stavrakakis | vm.save() |
247 | b578d9e7 | Christos Stavrakakis | |
248 | b578d9e7 | Christos Stavrakakis | |
249 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
250 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
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251 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
252 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
253 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
254 | 22ee6892 | Christos Stavrakakis | n = str(network)
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255 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
256 | 77f0fa63 | Christos Stavrakakis | |
257 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
258 | 77f0fa63 | Christos Stavrakakis | |
259 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
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260 | 8d325d4b | Christos Stavrakakis | mac = new_nic.get('mac')
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261 | 8d325d4b | Christos Stavrakakis | ipv4 = new_nic.get('ip')
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262 | 8d325d4b | Christos Stavrakakis | ipv6 = mac2eui64(mac, net.subnet6) if net.subnet6 is not None else None |
263 | 8d325d4b | Christos Stavrakakis | |
264 | 8d325d4b | Christos Stavrakakis | firewall = new_nic.get('firewall')
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265 | 8d325d4b | Christos Stavrakakis | firewall_profile = _reverse_tags.get(firewall) |
266 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
267 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
268 | 9afeb669 | Kostas Papadimitriou | |
269 | b578d9e7 | Christos Stavrakakis | nic = { |
270 | cc92b70f | Christos Stavrakakis | 'index': i,
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271 | cc92b70f | Christos Stavrakakis | 'network': net,
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272 | cc92b70f | Christos Stavrakakis | 'mac': mac,
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273 | cc92b70f | Christos Stavrakakis | 'ipv4': ipv4,
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274 | cc92b70f | Christos Stavrakakis | 'ipv6': ipv6,
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275 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
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276 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
277 | b578d9e7 | Christos Stavrakakis | |
278 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
279 | b578d9e7 | Christos Stavrakakis | return new_nics
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280 | b578d9e7 | Christos Stavrakakis | |
281 | b578d9e7 | Christos Stavrakakis | |
282 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
283 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
|
284 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
285 | b578d9e7 | Christos Stavrakakis | return True |
286 | be4d8aed | Christos Stavrakakis | fields = ["ipv4", "ipv6", "mac", "firewall_profile", "index", "network"] |
287 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
288 | be4d8aed | Christos Stavrakakis | for field in fields: |
289 | be4d8aed | Christos Stavrakakis | if getattr(old_nic, field) != new_nic[field]: |
290 | be4d8aed | Christos Stavrakakis | return True |
291 | b578d9e7 | Christos Stavrakakis | return False |
292 | 22ee6892 | Christos Stavrakakis | |
293 | 22ee6892 | Christos Stavrakakis | |
294 | 72dea98f | Christos Stavrakakis | def release_instance_ips(vm, ganeti_nics): |
295 | 72dea98f | Christos Stavrakakis | old_addresses = set(vm.nics.values_list("network", "ipv4")) |
296 | f8675683 | Christos Stavrakakis | new_addresses = set(map(lambda nic: (nic["network"].id, nic["ipv4"]), |
297 | 72dea98f | Christos Stavrakakis | ganeti_nics)) |
298 | 72dea98f | Christos Stavrakakis | to_release = old_addresses - new_addresses |
299 | 72dea98f | Christos Stavrakakis | for (network_id, ipv4) in to_release: |
300 | 72dea98f | Christos Stavrakakis | if ipv4:
|
301 | 0c50c760 | Christos Stavrakakis | # Get X-Lock before searching floating IP, to exclusively search
|
302 | 0c50c760 | Christos Stavrakakis | # and release floating IP. Otherwise you may release a floating IP
|
303 | 0c50c760 | Christos Stavrakakis | # that has been just reserved.
|
304 | 0c50c760 | Christos Stavrakakis | net = Network.objects.select_for_update().get(id=network_id) |
305 | 0c50c760 | Christos Stavrakakis | if net.floating_ip_pool:
|
306 | 0c50c760 | Christos Stavrakakis | try:
|
307 | 0c50c760 | Christos Stavrakakis | floating_ip = net.floating_ips.select_for_update()\ |
308 | 0c50c760 | Christos Stavrakakis | .get(ipv4=ipv4, machine=vm, |
309 | 0c50c760 | Christos Stavrakakis | deleted=False)
|
310 | 0c50c760 | Christos Stavrakakis | floating_ip.machine = None
|
311 | 0c50c760 | Christos Stavrakakis | floating_ip.save() |
312 | 0c50c760 | Christos Stavrakakis | except FloatingIP.DoesNotExist:
|
313 | 0c50c760 | Christos Stavrakakis | net.release_address(ipv4) |
314 | 0c50c760 | Christos Stavrakakis | else:
|
315 | 72dea98f | Christos Stavrakakis | net.release_address(ipv4) |
316 | bd392934 | Christos Stavrakakis | |
317 | bd392934 | Christos Stavrakakis | |
318 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
|
319 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
320 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
321 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
322 | 22ee6892 | Christos Stavrakakis | |
323 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
324 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
325 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
326 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
327 | 22ee6892 | Christos Stavrakakis | |
328 | 05146623 | Christos Stavrakakis | network = back_network.network |
329 | 05146623 | Christos Stavrakakis | |
330 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
|
331 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
332 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
333 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
334 | 22ee6892 | Christos Stavrakakis | |
335 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
336 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
|
337 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
338 | 22ee6892 | Christos Stavrakakis | |
339 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
340 | 198d91c3 | Christos Stavrakakis | network_is_deleted = (status == "success")
|
341 | 198d91c3 | Christos Stavrakakis | if network_is_deleted or (status == "error" and not |
342 | 198d91c3 | Christos Stavrakakis | network_exists_in_backend(back_network)): |
343 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
344 | e97288bc | Christos Stavrakakis | back_network.deleted = True
|
345 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
346 | 22ee6892 | Christos Stavrakakis | |
347 | e97288bc | Christos Stavrakakis | if status == 'success': |
348 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
349 | 22ee6892 | Christos Stavrakakis | back_network.save() |
350 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
|
351 | 05146623 | Christos Stavrakakis | update_network_state(network) |
352 | fd2bdbb2 | Christos Stavrakakis | |
353 | fd2bdbb2 | Christos Stavrakakis | |
354 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
355 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
|
356 | cb4eee84 | Christos Stavrakakis |
|
357 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
|
358 | 99af08a4 | Christos Stavrakakis | backends that network exists.
|
359 | 99af08a4 | Christos Stavrakakis |
|
360 | 99af08a4 | Christos Stavrakakis | The state of the network is:
|
361 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
|
362 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
|
363 | 99af08a4 | Christos Stavrakakis |
|
364 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
|
365 | 99af08a4 | Christos Stavrakakis | quotas for the network.
|
366 | 99af08a4 | Christos Stavrakakis |
|
367 | 99af08a4 | Christos Stavrakakis | """
|
368 | 99af08a4 | Christos Stavrakakis | if network.deleted:
|
369 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
|
370 | 99af08a4 | Christos Stavrakakis | # DELETED
|
371 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
372 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
373 | 99af08a4 | Christos Stavrakakis | network.save() |
374 | cb4eee84 | Christos Stavrakakis | return
|
375 | cb4eee84 | Christos Stavrakakis | |
376 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
377 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
378 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
379 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
|
380 | 99af08a4 | Christos Stavrakakis | network.save() |
381 | 99af08a4 | Christos Stavrakakis | return
|
382 | 99af08a4 | Christos Stavrakakis | |
383 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
|
384 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
385 | 27cda06b | Christos Stavrakakis | "DELETED")
|
386 | 99af08a4 | Christos Stavrakakis | |
387 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
|
388 | 99af08a4 | Christos Stavrakakis | if deleted:
|
389 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
|
390 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
391 | cb4eee84 | Christos Stavrakakis | network.deleted = True
|
392 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
393 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
|
394 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
395 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
|
396 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
397 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
398 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
399 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
400 | cb4eee84 | Christos Stavrakakis | |
401 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
402 | e18c1749 | Christos Stavrakakis | if network.userid:
|
403 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(network, delete=True)
|
404 | 32a0b855 | Giorgos Korfiatis | # the above has already saved the object and committed;
|
405 | 32a0b855 | Giorgos Korfiatis | # a second save would override others' changes, since the
|
406 | 32a0b855 | Giorgos Korfiatis | # object is now unlocked
|
407 | 32a0b855 | Giorgos Korfiatis | return
|
408 | e18c1749 | Christos Stavrakakis | elif not network.public: |
409 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
410 | cb4eee84 | Christos Stavrakakis | network.save() |
411 | cb4eee84 | Christos Stavrakakis | |
412 | cb4eee84 | Christos Stavrakakis | |
413 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
414 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
415 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
416 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
417 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
418 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
419 | fd2bdbb2 | Christos Stavrakakis | |
420 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
421 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
422 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
423 | fd2bdbb2 | Christos Stavrakakis | |
424 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
425 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
426 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
427 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
428 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
429 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
430 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
431 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
432 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
433 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
434 | fd2bdbb2 | Christos Stavrakakis | |
435 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
436 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
437 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
438 | ad2d6807 | Vangelis Koukis | |
439 | c25cc9ec | Vangelis Koukis | |
440 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
441 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
442 | 9068cd85 | Georgios Gousios | |
443 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
444 | 9068cd85 | Georgios Gousios | |
445 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
446 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
447 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
448 | af90d919 | Vangelis Koukis | if percentage < 0: |
449 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
450 | 9068cd85 | Georgios Gousios | |
451 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
452 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
453 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
454 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
455 | 9068cd85 | Georgios Gousios | |
456 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
457 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
458 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
459 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
460 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
461 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
462 | c25cc9ec | Vangelis Koukis | #
|
463 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
464 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
465 | 9068cd85 | Georgios Gousios | |
466 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
467 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
468 | 9068cd85 | Georgios Gousios | vm.save() |
469 | ad2d6807 | Vangelis Koukis | |
470 | c25cc9ec | Vangelis Koukis | |
471 | 952b2a48 | Christos Stavrakakis | @transaction.commit_on_success
|
472 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
473 | cc92b70f | Christos Stavrakakis | details=None):
|
474 | 7d43565f | Kostas Papadimitriou | """
|
475 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
476 | 7d43565f | Kostas Papadimitriou |
|
477 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
478 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
479 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
480 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
481 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
482 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
483 | 7d43565f | Kostas Papadimitriou | """
|
484 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
485 | cc92b70f | Christos Stavrakakis | source_date=etime, |
486 | cc92b70f | Christos Stavrakakis | message=message, |
487 | cc92b70f | Christos Stavrakakis | details=details) |
488 | 7d43565f | Kostas Papadimitriou | |
489 | 7d43565f | Kostas Papadimitriou | |
490 | 2c022086 | Christos Stavrakakis | def create_instance(vm, nics, flavor, image): |
491 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
492 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
493 | 7f691719 | Christos Stavrakakis |
|
494 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
495 | 3a9b3cde | Giorgos Verigakis | """
|
496 | 864bed43 | Christos Stavrakakis | |
497 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
498 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
499 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
500 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
501 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
502 | 1c382247 | Vangelis Koukis | #
|
503 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
504 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
505 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
506 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
507 | 296682fe | Kostas Papadimitriou | |
508 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
509 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
510 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
511 | 296682fe | Kostas Papadimitriou | if provider:
|
512 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
513 | b2222a7f | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
514 | 296682fe | Kostas Papadimitriou | |
515 | cb66110b | Christos Stavrakakis | kw['nics'] = [{"network": nic.network.backend_id, "ip": nic.ipv4} |
516 | cb66110b | Christos Stavrakakis | for nic in nics] |
517 | cb66110b | Christos Stavrakakis | backend = vm.backend |
518 | cb66110b | Christos Stavrakakis | depend_jobs = [] |
519 | cb66110b | Christos Stavrakakis | for nic in nics: |
520 | cb66110b | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=nic.network.id) |
521 | cb66110b | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
522 | cb66110b | Christos Stavrakakis | network=network) |
523 | cb66110b | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
524 | cb66110b | Christos Stavrakakis | if network.public:
|
525 | 736b9244 | Christos Stavrakakis | msg = "Can not connect instance to network %s. Network is not"\
|
526 | 736b9244 | Christos Stavrakakis | " ACTIVE in backend %s." % (network, backend)
|
527 | 736b9244 | Christos Stavrakakis | raise Exception(msg) |
528 | cb66110b | Christos Stavrakakis | else:
|
529 | 527c7a7b | Christos Stavrakakis | jobs = create_network(network, backend, connect=True)
|
530 | 527c7a7b | Christos Stavrakakis | if isinstance(jobs, list): |
531 | 527c7a7b | Christos Stavrakakis | depend_jobs.extend(jobs) |
532 | 527c7a7b | Christos Stavrakakis | else:
|
533 | 527c7a7b | Christos Stavrakakis | depend_jobs.append(jobs) |
534 | cb66110b | Christos Stavrakakis | kw["depends"] = [[job, ["success", "error", "canceled"]] |
535 | cb66110b | Christos Stavrakakis | for job in depend_jobs] |
536 | cb66110b | Christos Stavrakakis | |
537 | bd87213f | Christos Stavrakakis | if vm.backend.use_hotplug():
|
538 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
539 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
540 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
541 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
542 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
543 | 79b7dbb7 | Christos Stavrakakis | |
544 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
545 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
546 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
547 | 79b7dbb7 | Christos Stavrakakis | |
548 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
549 | 41303ed0 | Vangelis Koukis | |
550 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
551 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
552 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
553 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
554 | 79b7dbb7 | Christos Stavrakakis | |
555 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
556 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
557 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
558 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
559 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
560 | d1eaa651 | Christos Stavrakakis | |
561 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
562 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
563 | 79b7dbb7 | Christos Stavrakakis | |
564 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
565 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
566 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
567 | f533f224 | Vangelis Koukis | |
568 | 529178b1 | Giorgos Verigakis | |
569 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
570 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
571 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
572 | 529178b1 | Giorgos Verigakis | |
573 | ad2d6807 | Vangelis Koukis | |
574 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
575 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
576 | bbae3e45 | Christos Stavrakakis | kwargs = {"instance": vm.backend_vm_id,
|
577 | bbae3e45 | Christos Stavrakakis | "reboot_type": "hard"} |
578 | bbae3e45 | Christos Stavrakakis | # XXX: Currently shutdown_timeout parameter is not supported from the
|
579 | bbae3e45 | Christos Stavrakakis | # Ganeti RAPI. Until supported, we will fallback for both reboot types
|
580 | bbae3e45 | Christos Stavrakakis | # to the default shutdown timeout of Ganeti (120s). Note that reboot
|
581 | bbae3e45 | Christos Stavrakakis | # type of Ganeti job must be always hard. The 'soft' and 'hard' type
|
582 | bbae3e45 | Christos Stavrakakis | # of OS API is different from the one in Ganeti, and maps to
|
583 | bbae3e45 | Christos Stavrakakis | # 'shutdown_timeout'.
|
584 | bbae3e45 | Christos Stavrakakis | #if reboot_type == "hard":
|
585 | bbae3e45 | Christos Stavrakakis | # kwargs["shutdown_timeout"] = 0
|
586 | bbae3e45 | Christos Stavrakakis | if settings.TEST:
|
587 | bbae3e45 | Christos Stavrakakis | kwargs["dry_run"] = True |
588 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
589 | bbae3e45 | Christos Stavrakakis | return client.RebootInstance(**kwargs)
|
590 | 529178b1 | Giorgos Verigakis | |
591 | ad2d6807 | Vangelis Koukis | |
592 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
593 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
594 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
595 | 529178b1 | Giorgos Verigakis | |
596 | ad2d6807 | Vangelis Koukis | |
597 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
598 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
599 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
600 | 529178b1 | Giorgos Verigakis | |
601 | ad2d6807 | Vangelis Koukis | |
602 | 2cd3f389 | Christos Stavrakakis | def resize_instance(vm, vcpus, memory): |
603 | 2cd3f389 | Christos Stavrakakis | beparams = {"vcpus": int(vcpus), |
604 | 2cd3f389 | Christos Stavrakakis | "minmem": int(memory), |
605 | 2cd3f389 | Christos Stavrakakis | "maxmem": int(memory)} |
606 | 2cd3f389 | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
607 | 2cd3f389 | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, beparams=beparams)
|
608 | 2cd3f389 | Christos Stavrakakis | |
609 | 2cd3f389 | Christos Stavrakakis | |
610 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
611 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
612 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
613 | 71099804 | Vangelis Koukis | # useless (see #783).
|
614 | 71099804 | Vangelis Koukis | #
|
615 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
616 | 71099804 | Vangelis Koukis | # directly.
|
617 | 9afeb669 | Kostas Papadimitriou | #
|
618 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
619 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
620 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
621 | 71099804 | Vangelis Koukis | #
|
622 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
623 | bf5c82dc | Christos Stavrakakis | |
624 | 71099804 | Vangelis Koukis | console = {} |
625 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
626 | 3524241a | Christos Stavrakakis | |
627 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
628 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
629 | 3524241a | Christos Stavrakakis | |
630 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
631 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
632 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
633 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
634 | 9afeb669 | Kostas Papadimitriou | |
635 | 71099804 | Vangelis Koukis | return console
|
636 | 604b2bf8 | Georgios Gousios | |
637 | 604b2bf8 | Georgios Gousios | |
638 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
639 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
640 | 198d91c3 | Christos Stavrakakis | return client.GetInstance(vm.backend_vm_id)
|
641 | 198d91c3 | Christos Stavrakakis | |
642 | 198d91c3 | Christos Stavrakakis | |
643 | 198d91c3 | Christos Stavrakakis | def vm_exists_in_backend(vm): |
644 | 198d91c3 | Christos Stavrakakis | try:
|
645 | 198d91c3 | Christos Stavrakakis | get_instance_info(vm) |
646 | 198d91c3 | Christos Stavrakakis | return True |
647 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
648 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
649 | 198d91c3 | Christos Stavrakakis | return False |
650 | 198d91c3 | Christos Stavrakakis | raise e
|
651 | 198d91c3 | Christos Stavrakakis | |
652 | 198d91c3 | Christos Stavrakakis | |
653 | 198d91c3 | Christos Stavrakakis | def get_network_info(backend_network): |
654 | 198d91c3 | Christos Stavrakakis | with pooled_rapi_client(backend_network) as client: |
655 | 198d91c3 | Christos Stavrakakis | return client.GetNetwork(backend_network.network.backend_id)
|
656 | 198d91c3 | Christos Stavrakakis | |
657 | 198d91c3 | Christos Stavrakakis | |
658 | 198d91c3 | Christos Stavrakakis | def network_exists_in_backend(backend_network): |
659 | 198d91c3 | Christos Stavrakakis | try:
|
660 | 198d91c3 | Christos Stavrakakis | get_network_info(backend_network) |
661 | 198d91c3 | Christos Stavrakakis | return True |
662 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
663 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
664 | 198d91c3 | Christos Stavrakakis | return False |
665 | f533f224 | Vangelis Koukis | |
666 | c25cc9ec | Vangelis Koukis | |
667 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
668 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
669 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
670 | 64938cb0 | Giorgos Verigakis | |
671 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
672 | c25cc9ec | Vangelis Koukis | |
673 | 99af08a4 | Christos Stavrakakis | if connect:
|
674 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
675 | 99af08a4 | Christos Stavrakakis | return job_ids
|
676 | 99af08a4 | Christos Stavrakakis | else:
|
677 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
678 | 37ca953f | Christodoulos Psaltis | |
679 | 64938cb0 | Giorgos Verigakis | |
680 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
681 | 3524241a | Christos Stavrakakis | """Create a network."""
|
682 | c25cc9ec | Vangelis Koukis | |
683 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
684 | 22ee6892 | Christos Stavrakakis | |
685 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
686 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
687 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
688 | 2d762302 | Dimitris Aragiorgis | |
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 | 22ee6892 | Christos Stavrakakis | |
694 | 5aeb4e93 | Christos Stavrakakis | # Use a dummy network subnet for IPv6 only networks. Currently Ganeti does
|
695 | 5aeb4e93 | Christos Stavrakakis | # not support IPv6 only networks. To bypass this limitation, we create the
|
696 | 5aeb4e93 | Christos Stavrakakis | # network with a dummy network subnet, and make Cyclades connect instances
|
697 | 5aeb4e93 | Christos Stavrakakis | # to such networks, with address=None.
|
698 | 5aeb4e93 | Christos Stavrakakis | subnet = network.subnet |
699 | 5aeb4e93 | Christos Stavrakakis | if subnet is None: |
700 | 5aeb4e93 | Christos Stavrakakis | subnet = "10.0.0.0/24"
|
701 | 5aeb4e93 | Christos Stavrakakis | |
702 | 3524241a | Christos Stavrakakis | try:
|
703 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
704 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
705 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
706 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
707 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
708 | 3524241a | Christos Stavrakakis | |
709 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
710 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
711 | 5aeb4e93 | Christos Stavrakakis | network=subnet, |
712 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
713 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
714 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
715 | 3524241a | Christos Stavrakakis | network_type=network_type, |
716 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
717 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
718 | 3524241a | Christos Stavrakakis | tags=tags) |
719 | 3524241a | Christos Stavrakakis | |
720 | 3524241a | Christos Stavrakakis | |
721 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
722 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
723 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
724 | bf5c82dc | Christos Stavrakakis | |
725 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
726 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
727 | 2d762302 | Dimitris Aragiorgis | else:
|
728 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
729 | 2d762302 | Dimitris Aragiorgis | |
730 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
731 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
732 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
733 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
734 | 99af08a4 | Christos Stavrakakis | for group in groups: |
735 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
736 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
737 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
738 | 99af08a4 | Christos Stavrakakis | depends=depends) |
739 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
740 | 99af08a4 | Christos Stavrakakis | return job_ids
|
741 | 22ee6892 | Christos Stavrakakis | |
742 | 22ee6892 | Christos Stavrakakis | |
743 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
744 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
745 | 22ee6892 | Christos Stavrakakis | |
746 | 99af08a4 | Christos Stavrakakis | depends = [] |
747 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
748 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
749 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
750 | bf5c82dc | Christos Stavrakakis | |
751 | 22ee6892 | Christos Stavrakakis | |
752 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
753 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
754 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
755 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
756 | 22ee6892 | Christos Stavrakakis | |
757 | 22ee6892 | Christos Stavrakakis | |
758 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
759 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
760 | 22ee6892 | Christos Stavrakakis | |
761 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
762 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
763 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
764 | 99af08a4 | Christos Stavrakakis | for group in groups: |
765 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
766 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
767 | 99af08a4 | Christos Stavrakakis | return job_ids
|
768 | 36f4cb29 | Christos Stavrakakis | |
769 | 36f4cb29 | Christos Stavrakakis | |
770 | 2a2b01e5 | Christos Stavrakakis | def connect_to_network(vm, nic): |
771 | 2a2b01e5 | Christos Stavrakakis | network = nic.network |
772 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
773 | acfc71ef | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network.id) |
774 | 99af08a4 | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
775 | 99af08a4 | Christos Stavrakakis | network=network) |
776 | 99af08a4 | Christos Stavrakakis | depend_jobs = [] |
777 | 99af08a4 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
778 | 99af08a4 | Christos Stavrakakis | depend_jobs = create_network(network, backend, connect=True)
|
779 | 99af08a4 | Christos Stavrakakis | |
780 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depend_jobs] |
781 | 99af08a4 | Christos Stavrakakis | |
782 | 2a2b01e5 | Christos Stavrakakis | nic = {'ip': nic.ipv4, 'network': network.backend_id} |
783 | 22ee6892 | Christos Stavrakakis | |
784 | 2a2b01e5 | Christos Stavrakakis | log.debug("Connecting NIC %s to VM %s", nic, vm)
|
785 | 22ee6892 | Christos Stavrakakis | |
786 | 6488097c | Christos Stavrakakis | kwargs = { |
787 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
788 | 6488097c | Christos Stavrakakis | "nics": [("add", nic)], |
789 | 6488097c | Christos Stavrakakis | "depends": depends,
|
790 | 6488097c | Christos Stavrakakis | } |
791 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
792 | 6488097c | Christos Stavrakakis | kwargs["hotplug"] = True |
793 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
794 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
795 | 6488097c | Christos Stavrakakis | |
796 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
797 | 6488097c | Christos Stavrakakis | return client.ModifyInstance(**kwargs)
|
798 | 22ee6892 | Christos Stavrakakis | |
799 | 22ee6892 | Christos Stavrakakis | |
800 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
801 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
802 | 22ee6892 | Christos Stavrakakis | |
803 | 6488097c | Christos Stavrakakis | kwargs = { |
804 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
805 | 6488097c | Christos Stavrakakis | "nics": [("remove", nic.index, {})], |
806 | 6488097c | Christos Stavrakakis | } |
807 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
808 | 6488097c | Christos Stavrakakis | kwargs["hotplug"] = True |
809 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
810 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
811 | 6488097c | Christos Stavrakakis | |
812 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
813 | 6488097c | Christos Stavrakakis | jobID = client.ModifyInstance(**kwargs) |
814 | 27435d42 | Christos Stavrakakis | # If the NIC has a tag for a firewall profile it must be deleted,
|
815 | 27435d42 | Christos Stavrakakis | # otherwise it may affect another NIC. XXX: Deleting the tag should
|
816 | 27435d42 | Christos Stavrakakis | # depend on the removing the NIC, but currently RAPI client does not
|
817 | 27435d42 | Christos Stavrakakis | # support this, this may result in clearing the firewall profile
|
818 | 27435d42 | Christos Stavrakakis | # without successfully removing the NIC. This issue will be fixed with
|
819 | 27435d42 | Christos Stavrakakis | # use of NIC UUIDs.
|
820 | 27435d42 | Christos Stavrakakis | firewall_profile = nic.firewall_profile |
821 | 231b0fb6 | Christos Stavrakakis | if firewall_profile and firewall_profile != "DISABLED": |
822 | 27435d42 | Christos Stavrakakis | tag = _firewall_tags[firewall_profile] % nic.index |
823 | 27435d42 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [tag], |
824 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
825 | 27435d42 | Christos Stavrakakis | |
826 | 27435d42 | Christos Stavrakakis | return jobID
|
827 | 91826390 | Giorgos Verigakis | |
828 | c25cc9ec | Vangelis Koukis | |
829 | b2791a77 | Christos Stavrakakis | def set_firewall_profile(vm, profile, index=0): |
830 | 26563957 | Giorgos Verigakis | try:
|
831 | b2791a77 | Christos Stavrakakis | tag = _firewall_tags[profile] % index |
832 | 26563957 | Giorgos Verigakis | except KeyError: |
833 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
834 | 37ca953f | Christodoulos Psaltis | |
835 | b2791a77 | Christos Stavrakakis | log.debug("Setting tag of VM %s, NIC index %d, to %s", vm, index, profile)
|
836 | bf5c82dc | Christos Stavrakakis | |
837 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
838 | b2791a77 | Christos Stavrakakis | # Delete previous firewall tags
|
839 | b2791a77 | Christos Stavrakakis | old_tags = client.GetInstanceTags(vm.backend_vm_id) |
840 | b2791a77 | Christos Stavrakakis | delete_tags = [(t % index) for t in _firewall_tags.values() |
841 | b2791a77 | Christos Stavrakakis | if (t % index) in old_tags] |
842 | b2791a77 | Christos Stavrakakis | if delete_tags:
|
843 | b2791a77 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, delete_tags, |
844 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
845 | 37ca953f | Christodoulos Psaltis | |
846 | 27435d42 | Christos Stavrakakis | if profile != "DISABLED": |
847 | 27435d42 | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], |
848 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
849 | 9afeb669 | Kostas Papadimitriou | |
850 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
851 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
852 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
853 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
854 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
855 | 41a7fae7 | Christos Stavrakakis | return None |
856 | 5eedb0e4 | Vangelis Koukis | |
857 | 41303ed0 | Vangelis Koukis | |
858 | e77a29ab | Christos Stavrakakis | def get_instances(backend, bulk=True): |
859 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
860 | e77a29ab | Christos Stavrakakis | return c.GetInstances(bulk=bulk)
|
861 | d986cb32 | Christos Stavrakakis | |
862 | f5b4f2a3 | Christos Stavrakakis | |
863 | e77a29ab | Christos Stavrakakis | def get_nodes(backend, bulk=True): |
864 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
865 | e77a29ab | Christos Stavrakakis | return c.GetNodes(bulk=bulk)
|
866 | 1a894bfe | Christos Stavrakakis | |
867 | 1a894bfe | Christos Stavrakakis | |
868 | 70a0afab | Christos Stavrakakis | def get_jobs(backend, bulk=True): |
869 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
870 | 70a0afab | Christos Stavrakakis | return c.GetJobs(bulk=bulk)
|
871 | f5b4f2a3 | Christos Stavrakakis | |
872 | 17852fe9 | Giorgos Verigakis | |
873 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
874 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
875 | 1a894bfe | Christos Stavrakakis |
|
876 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
877 | 41303ed0 | Vangelis Koukis |
|
878 | 1a894bfe | Christos Stavrakakis | """
|
879 | e77a29ab | Christos Stavrakakis | nodes = get_nodes(backend, bulk=True)
|
880 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
881 | 1a894bfe | Christos Stavrakakis | res = {} |
882 | 1a894bfe | Christos Stavrakakis | for a in attr: |
883 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
884 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
885 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
886 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
887 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
888 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
889 | 1a894bfe | Christos Stavrakakis | for a in attr: |
890 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
891 | 1a894bfe | Christos Stavrakakis | return res
|
892 | 1a894bfe | Christos Stavrakakis | |
893 | 1a894bfe | Christos Stavrakakis | |
894 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
895 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
896 | 1a894bfe | Christos Stavrakakis |
|
897 | 1a894bfe | Christos Stavrakakis | """
|
898 | 17852fe9 | Giorgos Verigakis | |
899 | 1a894bfe | Christos Stavrakakis | if not resources: |
900 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
901 | 41303ed0 | Vangelis Koukis | |
902 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
903 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
904 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
905 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
906 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
907 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
908 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
909 | 1a894bfe | Christos Stavrakakis | backend.save() |
910 | 1a894bfe | Christos Stavrakakis | |
911 | 1a894bfe | Christos Stavrakakis | |
912 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
913 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
914 | 1a894bfe | Christos Stavrakakis |
|
915 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
916 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
917 | 1a894bfe | Christos Stavrakakis |
|
918 | 1a894bfe | Christos Stavrakakis | """
|
919 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
920 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
921 | 1a894bfe | Christos Stavrakakis | mem = 0
|
922 | 1a894bfe | Christos Stavrakakis | for i in instances: |
923 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
924 | 1a894bfe | Christos Stavrakakis | return mem
|
925 | b3d28af2 | Christos Stavrakakis | |
926 | b3d28af2 | Christos Stavrakakis | ##
|
927 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
928 | b3d28af2 | Christos Stavrakakis | ##
|
929 | b3d28af2 | Christos Stavrakakis | |
930 | b3d28af2 | Christos Stavrakakis | |
931 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
932 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
933 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
934 | b3d28af2 | Christos Stavrakakis | return result
|
935 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
936 | b3d28af2 | Christos Stavrakakis | return result
|
937 | b3d28af2 | Christos Stavrakakis | |
938 | b3d28af2 | Christos Stavrakakis | |
939 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
940 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
941 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
942 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
943 | 3524241a | Christos Stavrakakis | return result
|
944 | b3d28af2 | Christos Stavrakakis | |
945 | b3d28af2 | Christos Stavrakakis | |
946 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
947 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
948 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
949 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
950 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
951 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
952 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
953 | 3524241a | Christos Stavrakakis | return result
|
954 | b3d28af2 | Christos Stavrakakis | |
955 | b3d28af2 | Christos Stavrakakis | return result
|
956 | b3d28af2 | Christos Stavrakakis | |
957 | b3d28af2 | Christos Stavrakakis | |
958 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
959 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
960 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
961 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
962 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
963 | cc92b70f | Christos Stavrakakis | [result], None)
|
964 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
965 | b3d28af2 | Christos Stavrakakis | |
966 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
967 | b3d28af2 | Christos Stavrakakis | return (status, None) |
968 | b3d28af2 | Christos Stavrakakis | else:
|
969 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
970 | b3d28af2 | Christos Stavrakakis | return (status, error) |