root / snf-cyclades-app / synnefo / logic / backend.py @ 33ef7782
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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 | a1baa42b | Christos Stavrakakis | from datetime import datetime, timedelta |
36 | 207b70d5 | Giorgos Verigakis | |
37 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
38 | 3524241a | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES, |
39 | ca4d59e3 | Christos Stavrakakis | pooled_rapi_client, VirtualMachineDiagnostic, |
40 | bfb3f9c2 | Christos Stavrakakis | Flavor, IPAddress, IPAddressLog) |
41 | 0292883e | Christos Stavrakakis | from synnefo.logic import utils, ips |
42 | cb4eee84 | Christos Stavrakakis | from synnefo import quotas |
43 | b7d38981 | Dimitris Aragiorgis | from synnefo.api.util import release_resource |
44 | fd95834e | Christos Stavrakakis | from synnefo.util.mac2eui64 import mac2eui64 |
45 | d2036274 | Christos Stavrakakis | from synnefo.logic import rapi |
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 | 3278725f | Christos Stavrakakis | SIMPLE_NIC_FIELDS = ["state", "mac", "network", "firewall_profile", "index"] |
59 | 3278725f | Christos Stavrakakis | COMPLEX_NIC_FIELDS = ["ipv4_address", "ipv6_address"] |
60 | 3278725f | Christos Stavrakakis | NIC_FIELDS = SIMPLE_NIC_FIELDS + COMPLEX_NIC_FIELDS |
61 | 0d069390 | Christos Stavrakakis | UNKNOWN_NIC_PREFIX = "unknown-"
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62 | a1baa42b | Christos Stavrakakis | |
63 | 02feca11 | Vassilios Karakoidas | |
64 | 41a7fae7 | Christos Stavrakakis | def handle_vm_quotas(vm, job_id, job_opcode, job_status, job_fields): |
65 | 41a7fae7 | Christos Stavrakakis | """Handle quotas for updated VirtualMachine.
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66 | 41a7fae7 | Christos Stavrakakis |
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67 | 41a7fae7 | Christos Stavrakakis | Update quotas for the updated VirtualMachine based on the job that run on
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68 | 41a7fae7 | Christos Stavrakakis | the Ganeti backend. If a commission has been already issued for this job,
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69 | 41a7fae7 | Christos Stavrakakis | then this commission is just accepted or rejected based on the job status.
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70 | 41a7fae7 | Christos Stavrakakis | Otherwise, a new commission for the given change is issued, that is also in
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71 | 41a7fae7 | Christos Stavrakakis | force and auto-accept mode. In this case, previous commissions are
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72 | 41a7fae7 | Christos Stavrakakis | rejected, since they reflect a previous state of the VM.
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73 | 41a7fae7 | Christos Stavrakakis |
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74 | 41a7fae7 | Christos Stavrakakis | """
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75 | d2036274 | Christos Stavrakakis | if job_status not in rapi.JOB_STATUS_FINALIZED: |
76 | 88fd91af | Christos Stavrakakis | return vm
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77 | 41a7fae7 | Christos Stavrakakis | |
78 | 41a7fae7 | Christos Stavrakakis | # Check successful completion of a job will trigger any quotable change in
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79 | 41a7fae7 | Christos Stavrakakis | # the VM state.
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80 | 41a7fae7 | Christos Stavrakakis | action = utils.get_action_from_opcode(job_opcode, job_fields) |
81 | 88fd91af | Christos Stavrakakis | if action == "BUILD": |
82 | 88fd91af | Christos Stavrakakis | # Quotas for new VMs are automatically accepted by the API
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83 | 88fd91af | Christos Stavrakakis | return vm
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84 | 41a7fae7 | Christos Stavrakakis | |
85 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == job_id and vm.serial is not None: |
86 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has already been issued. So just
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87 | 562bf712 | Christos Stavrakakis | # accept/reject it. Special case is OP_INSTANCE_CREATE, which even
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88 | 562bf712 | Christos Stavrakakis | # if fails, must be accepted, as the user must manually remove the
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89 | 562bf712 | Christos Stavrakakis | # failed server
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90 | 41a7fae7 | Christos Stavrakakis | serial = vm.serial |
91 | d2036274 | Christos Stavrakakis | if job_status == rapi.JOB_STATUS_SUCCESS:
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92 | 41a7fae7 | Christos Stavrakakis | quotas.accept_serial(serial) |
93 | d2036274 | Christos Stavrakakis | elif job_status in [rapi.JOB_STATUS_ERROR, rapi.JOB_STATUS_CANCELED]: |
94 | 41a7fae7 | Christos Stavrakakis | log.debug("Job %s failed. Rejecting related serial %s", job_id,
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95 | 41a7fae7 | Christos Stavrakakis | serial) |
96 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(serial) |
97 | 41a7fae7 | Christos Stavrakakis | vm.serial = None
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98 | 16b959ce | Giorgos Korfiatis | elif job_status == rapi.JOB_STATUS_SUCCESS:
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99 | 16b959ce | Giorgos Korfiatis | commission_info = quotas.get_commission_info(resource=vm, |
100 | 16b959ce | Giorgos Korfiatis | action=action, |
101 | 16b959ce | Giorgos Korfiatis | action_fields=job_fields) |
102 | 16b959ce | Giorgos Korfiatis | if commission_info is not None: |
103 | 16b959ce | Giorgos Korfiatis | # Commission for this change has not been issued, or the issued
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104 | 16b959ce | Giorgos Korfiatis | # commission was unaware of the current change. Reject all previous
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105 | 16b959ce | Giorgos Korfiatis | # commissions and create a new one in forced mode!
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106 | 16b959ce | Giorgos Korfiatis | log.debug("Expected job was %s. Processing job %s.",
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107 | 16b959ce | Giorgos Korfiatis | vm.task_job_id, job_id) |
108 | 16b959ce | Giorgos Korfiatis | reason = ("client: dispatcher, resource: %s, ganeti_job: %s"
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109 | 16b959ce | Giorgos Korfiatis | % (vm, job_id)) |
110 | 16b959ce | Giorgos Korfiatis | quotas.handle_resource_commission(vm, action, |
111 | 16b959ce | Giorgos Korfiatis | action_fields=job_fields, |
112 | 16b959ce | Giorgos Korfiatis | commission_name=reason, |
113 | 16b959ce | Giorgos Korfiatis | force=True,
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114 | 16b959ce | Giorgos Korfiatis | auto_accept=True)
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115 | 16b959ce | Giorgos Korfiatis | log.debug("Issued new commission: %s", vm.serial)
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116 | 41a7fae7 | Christos Stavrakakis | |
117 | 41a7fae7 | Christos Stavrakakis | return vm
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118 | 41a7fae7 | Christos Stavrakakis | |
119 | 41a7fae7 | Christos Stavrakakis | |
120 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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121 | ca4d59e3 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None, |
122 | e6fbada1 | Christos Stavrakakis | job_fields=None):
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123 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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124 | 02feca11 | Vassilios Karakoidas |
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125 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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126 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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127 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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128 | 02feca11 | Vassilios Karakoidas |
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129 | 02feca11 | Vassilios Karakoidas | """
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130 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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131 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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132 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
133 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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134 | 02feca11 | Vassilios Karakoidas | |
135 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
136 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
137 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
138 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
139 | 02feca11 | Vassilios Karakoidas | |
140 | d2036274 | Christos Stavrakakis | if status not in rapi.JOB_STATUS_FINALIZED: |
141 | 41a7fae7 | Christos Stavrakakis | vm.save() |
142 | 41a7fae7 | Christos Stavrakakis | return
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143 | 41a7fae7 | Christos Stavrakakis | |
144 | e6fbada1 | Christos Stavrakakis | if job_fields is None: |
145 | e6fbada1 | Christos Stavrakakis | job_fields = {} |
146 | 1fdd8d69 | Christos Stavrakakis | |
147 | 1fdd8d69 | Christos Stavrakakis | new_operstate = None
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148 | 3af1fb4b | Christos Stavrakakis | new_flavor = None
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149 | 41a7fae7 | Christos Stavrakakis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode) |
150 | 32a0b855 | Giorgos Korfiatis | |
151 | d2036274 | Christos Stavrakakis | if status == rapi.JOB_STATUS_SUCCESS:
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152 | 1fdd8d69 | Christos Stavrakakis | # If job succeeds, change operating state if needed
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153 | 41a7fae7 | Christos Stavrakakis | if state_for_success is not None: |
154 | 1fdd8d69 | Christos Stavrakakis | new_operstate = state_for_success |
155 | 1fdd8d69 | Christos Stavrakakis | |
156 | e6fbada1 | Christos Stavrakakis | beparams = job_fields.get("beparams", None) |
157 | 41a7fae7 | Christos Stavrakakis | if beparams:
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158 | 41a7fae7 | Christos Stavrakakis | # Change the flavor of the VM
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159 | 3af1fb4b | Christos Stavrakakis | new_flavor = _process_resize(vm, beparams) |
160 | 1fdd8d69 | Christos Stavrakakis | |
161 | 41a7fae7 | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully
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162 | 41a7fae7 | Christos Stavrakakis | # completed, since only these jobs update the state of the VM. Else a
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163 | 41a7fae7 | Christos Stavrakakis | # "race condition" may occur when a successful job (e.g.
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164 | 41a7fae7 | Christos Stavrakakis | # OP_INSTANCE_REMOVE) completes before an error job and messages arrive
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165 | 41a7fae7 | Christos Stavrakakis | # in reversed order.
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166 | 41a7fae7 | Christos Stavrakakis | vm.backendtime = etime |
167 | ca4d59e3 | Christos Stavrakakis | |
168 | d2036274 | Christos Stavrakakis | if status in rapi.JOB_STATUS_FINALIZED and nics is not None: |
169 | 90858bda | Christos Stavrakakis | # Update the NICs of the VM
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170 | 90858bda | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
171 | 90858bda | Christos Stavrakakis | |
172 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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173 | d2036274 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in (rapi.JOB_STATUS_CANCELED, |
174 | d2036274 | Christos Stavrakakis | rapi.JOB_STATUS_ERROR): |
175 | 1fdd8d69 | Christos Stavrakakis | new_operstate = "ERROR"
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176 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
177 | 96feddae | Christos Stavrakakis | # Update state of associated NICs
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178 | 96feddae | Christos Stavrakakis | vm.nics.all().update(state="ERROR")
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179 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
180 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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181 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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182 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
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183 | d2036274 | Christos Stavrakakis | if (status == rapi.JOB_STATUS_SUCCESS or |
184 | d2036274 | Christos Stavrakakis | (status == rapi.JOB_STATUS_ERROR and not vm_exists_in_backend(vm))): |
185 | a1baa42b | Christos Stavrakakis | # VM has been deleted
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186 | a1baa42b | Christos Stavrakakis | for nic in vm.nics.all(): |
187 | a1baa42b | Christos Stavrakakis | # Release the IP
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188 | 3278725f | Christos Stavrakakis | remove_nic_ips(nic) |
189 | a1baa42b | Christos Stavrakakis | # And delete the NIC.
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190 | a1baa42b | Christos Stavrakakis | nic.delete() |
191 | e97288bc | Christos Stavrakakis | vm.deleted = True
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192 | 1fdd8d69 | Christos Stavrakakis | new_operstate = state_for_success |
193 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
194 | d2036274 | Christos Stavrakakis | status = rapi.JOB_STATUS_SUCCESS |
195 | 33ef7782 | Christos Stavrakakis | #status = "success"
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196 | 33ef7782 | Christos Stavrakakis | vm.volumes.all().update(deleted=True, machine=None) |
197 | 41a7fae7 | Christos Stavrakakis | |
198 | d2036274 | Christos Stavrakakis | if status in rapi.JOB_STATUS_FINALIZED: |
199 | 41a7fae7 | Christos Stavrakakis | # Job is finalized: Handle quotas/commissioning
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200 | 41a7fae7 | Christos Stavrakakis | vm = handle_vm_quotas(vm, job_id=jobid, job_opcode=opcode, |
201 | 41a7fae7 | Christos Stavrakakis | job_status=status, job_fields=job_fields) |
202 | 41a7fae7 | Christos Stavrakakis | # and clear task fields
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203 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == jobid:
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204 | 41a7fae7 | Christos Stavrakakis | vm.task = None
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205 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = None
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206 | 02feca11 | Vassilios Karakoidas | |
207 | 1fdd8d69 | Christos Stavrakakis | if new_operstate is not None: |
208 | 1fdd8d69 | Christos Stavrakakis | vm.operstate = new_operstate |
209 | 3af1fb4b | Christos Stavrakakis | if new_flavor is not None: |
210 | 3af1fb4b | Christos Stavrakakis | vm.flavor = new_flavor |
211 | 1fdd8d69 | Christos Stavrakakis | |
212 | 02feca11 | Vassilios Karakoidas | vm.save() |
213 | 22e52ede | Vassilios Karakoidas | |
214 | ad2d6807 | Vangelis Koukis | |
215 | ca4d59e3 | Christos Stavrakakis | def _process_resize(vm, beparams): |
216 | ca4d59e3 | Christos Stavrakakis | """Change flavor of a VirtualMachine based on new beparams."""
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217 | ca4d59e3 | Christos Stavrakakis | old_flavor = vm.flavor |
218 | 41a7fae7 | Christos Stavrakakis | vcpus = beparams.get("vcpus", old_flavor.cpu)
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219 | 41a7fae7 | Christos Stavrakakis | ram = beparams.get("maxmem", old_flavor.ram)
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220 | 41a7fae7 | Christos Stavrakakis | if vcpus == old_flavor.cpu and ram == old_flavor.ram: |
221 | ca4d59e3 | Christos Stavrakakis | return
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222 | ca4d59e3 | Christos Stavrakakis | try:
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223 | ca4d59e3 | Christos Stavrakakis | new_flavor = Flavor.objects.get(cpu=vcpus, ram=ram, |
224 | ca4d59e3 | Christos Stavrakakis | disk=old_flavor.disk, |
225 | ca4d59e3 | Christos Stavrakakis | disk_template=old_flavor.disk_template) |
226 | ca4d59e3 | Christos Stavrakakis | except Flavor.DoesNotExist:
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227 | 8d5795b4 | Christos Stavrakakis | raise Exception("Cannot find flavor for VM") |
228 | 3af1fb4b | Christos Stavrakakis | return new_flavor
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229 | ca4d59e3 | Christos Stavrakakis | |
230 | ca4d59e3 | Christos Stavrakakis | |
231 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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232 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
233 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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234 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
235 | fd95834e | Christos Stavrakakis | |
236 | fd95834e | Christos Stavrakakis | |
237 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
238 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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239 | ad2d6807 | Vangelis Koukis |
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240 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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241 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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242 | ad2d6807 | Vangelis Koukis |
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243 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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244 | 37ca953f | Christodoulos Psaltis |
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245 | a1baa42b | Christos Stavrakakis | """
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246 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
247 | 3278725f | Christos Stavrakakis | db_nics = dict([(nic.id, nic)
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248 | 40576cf5 | Christos Stavrakakis | for nic in vm.nics.select_related("network") |
249 | 40576cf5 | Christos Stavrakakis | .prefetch_related("ips")])
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250 | 40d53b77 | Christos Stavrakakis | |
251 | a1baa42b | Christos Stavrakakis | for nic_name in set(db_nics.keys()) | set(ganeti_nics.keys()): |
252 | a1baa42b | Christos Stavrakakis | db_nic = db_nics.get(nic_name) |
253 | a1baa42b | Christos Stavrakakis | ganeti_nic = ganeti_nics.get(nic_name) |
254 | a1baa42b | Christos Stavrakakis | if ganeti_nic is None: |
255 | 1cb7846c | Christos Stavrakakis | if nic_is_stale(vm, nic):
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256 | 1cb7846c | Christos Stavrakakis | log.debug("Removing stale NIC '%s'" % db_nic)
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257 | 3278725f | Christos Stavrakakis | remove_nic_ips(db_nic) |
258 | 0d069390 | Christos Stavrakakis | db_nic.delete() |
259 | a1baa42b | Christos Stavrakakis | else:
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260 | 1cb7846c | Christos Stavrakakis | log.info("NIC '%s' is still being created" % db_nic)
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261 | a1baa42b | Christos Stavrakakis | elif db_nic is None: |
262 | 3278725f | Christos Stavrakakis | msg = ("NIC/%s of VM %s does not exist in DB! Cannot automatically"
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263 | 3278725f | Christos Stavrakakis | " fix this issue!" % (nic_name, vm))
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264 | 3278725f | Christos Stavrakakis | log.error(msg) |
265 | 3278725f | Christos Stavrakakis | continue
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266 | a1baa42b | Christos Stavrakakis | elif not nics_are_equal(db_nic, ganeti_nic): |
267 | 3278725f | Christos Stavrakakis | for f in SIMPLE_NIC_FIELDS: |
268 | 3278725f | Christos Stavrakakis | # Update the NIC in DB with the values from Ganeti NIC
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269 | 3278725f | Christos Stavrakakis | setattr(db_nic, f, ganeti_nic[f])
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270 | 3278725f | Christos Stavrakakis | db_nic.save() |
271 | bfb3f9c2 | Christos Stavrakakis | |
272 | a1baa42b | Christos Stavrakakis | # Special case where the IPv4 address has changed, because you
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273 | a1baa42b | Christos Stavrakakis | # need to release the old IPv4 address and reserve the new one
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274 | 40576cf5 | Christos Stavrakakis | gnt_ipv4_address = ganeti_nic["ipv4_address"]
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275 | 40576cf5 | Christos Stavrakakis | db_ipv4_address = db_nic.ipv4_address |
276 | 40576cf5 | Christos Stavrakakis | if db_ipv4_address != gnt_ipv4_address:
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277 | bfb3f9c2 | Christos Stavrakakis | change_address_of_port(db_nic, vm.userid, |
278 | 40576cf5 | Christos Stavrakakis | old_address=db_ipv4_address, |
279 | 40576cf5 | Christos Stavrakakis | new_address=gnt_ipv4_address, |
280 | bfb3f9c2 | Christos Stavrakakis | version=4)
|
281 | bfb3f9c2 | Christos Stavrakakis | |
282 | 40576cf5 | Christos Stavrakakis | gnt_ipv6_address = ganeti_nic["ipv6_address"]
|
283 | 40576cf5 | Christos Stavrakakis | db_ipv6_address = db_nic.ipv6_address |
284 | 40576cf5 | Christos Stavrakakis | if db_ipv6_address != gnt_ipv6_address:
|
285 | bfb3f9c2 | Christos Stavrakakis | change_address_of_port(db_nic, vm.userid, |
286 | 40576cf5 | Christos Stavrakakis | old_address=db_ipv6_address, |
287 | 40576cf5 | Christos Stavrakakis | new_address=gnt_ipv6_address, |
288 | bfb3f9c2 | Christos Stavrakakis | version=6)
|
289 | b578d9e7 | Christos Stavrakakis | |
290 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
291 | b578d9e7 | Christos Stavrakakis | vm.save() |
292 | b578d9e7 | Christos Stavrakakis | |
293 | b578d9e7 | Christos Stavrakakis | |
294 | bfb3f9c2 | Christos Stavrakakis | def change_address_of_port(port, userid, old_address, new_address, version): |
295 | bfb3f9c2 | Christos Stavrakakis | """Change."""
|
296 | bfb3f9c2 | Christos Stavrakakis | if old_address is not None: |
297 | bfb3f9c2 | Christos Stavrakakis | msg = ("IPv%s Address of server '%s' changed from '%s' to '%s'"
|
298 | bfb3f9c2 | Christos Stavrakakis | % (version, port.machine_id, old_address, new_address)) |
299 | 57374655 | Christos Stavrakakis | log.error(msg) |
300 | bfb3f9c2 | Christos Stavrakakis | |
301 | bfb3f9c2 | Christos Stavrakakis | # Remove the old IP address
|
302 | bfb3f9c2 | Christos Stavrakakis | remove_nic_ips(port, version=version) |
303 | bfb3f9c2 | Christos Stavrakakis | |
304 | bfb3f9c2 | Christos Stavrakakis | if version == 4: |
305 | bfb3f9c2 | Christos Stavrakakis | ipaddress = ips.allocate_ip(port.network, userid, address=new_address) |
306 | bfb3f9c2 | Christos Stavrakakis | ipaddress.nic = port |
307 | bfb3f9c2 | Christos Stavrakakis | ipaddress.save() |
308 | bfb3f9c2 | Christos Stavrakakis | elif version == 6: |
309 | bfb3f9c2 | Christos Stavrakakis | subnet6 = port.network.subnet6 |
310 | bfb3f9c2 | Christos Stavrakakis | ipaddress = IPAddress.objects.create(userid=userid, |
311 | bfb3f9c2 | Christos Stavrakakis | network=port.network, |
312 | bfb3f9c2 | Christos Stavrakakis | subnet=subnet6, |
313 | bfb3f9c2 | Christos Stavrakakis | nic=port, |
314 | 5920f82c | Christos Stavrakakis | address=new_address, |
315 | 5920f82c | Christos Stavrakakis | ipversion=6)
|
316 | bfb3f9c2 | Christos Stavrakakis | else:
|
317 | bfb3f9c2 | Christos Stavrakakis | raise ValueError("Unknown version: %s" % version) |
318 | bfb3f9c2 | Christos Stavrakakis | |
319 | bfb3f9c2 | Christos Stavrakakis | # New address log
|
320 | bfb3f9c2 | Christos Stavrakakis | ip_log = IPAddressLog.objects.create(server_id=port.machine_id, |
321 | bfb3f9c2 | Christos Stavrakakis | network_id=port.network_id, |
322 | bfb3f9c2 | Christos Stavrakakis | address=new_address, |
323 | bfb3f9c2 | Christos Stavrakakis | active=True)
|
324 | bfb3f9c2 | Christos Stavrakakis | log.info("Created IP log entry '%s' for address '%s' to server '%s'",
|
325 | bfb3f9c2 | Christos Stavrakakis | ip_log.id, new_address, port.machine_id) |
326 | bfb3f9c2 | Christos Stavrakakis | |
327 | bfb3f9c2 | Christos Stavrakakis | return ipaddress
|
328 | bfb3f9c2 | Christos Stavrakakis | |
329 | bfb3f9c2 | Christos Stavrakakis | |
330 | a1baa42b | Christos Stavrakakis | def nics_are_equal(db_nic, gnt_nic): |
331 | a1baa42b | Christos Stavrakakis | for field in NIC_FIELDS: |
332 | a1baa42b | Christos Stavrakakis | if getattr(db_nic, field) != gnt_nic[field]: |
333 | a1baa42b | Christos Stavrakakis | return False |
334 | a1baa42b | Christos Stavrakakis | return True |
335 | a1baa42b | Christos Stavrakakis | |
336 | a1baa42b | Christos Stavrakakis | |
337 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
338 | a1baa42b | Christos Stavrakakis | """Process NIC dict from ganeti"""
|
339 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
340 | a1baa42b | Christos Stavrakakis | for index, gnic in enumerate(ganeti_nics): |
341 | a1baa42b | Christos Stavrakakis | nic_name = gnic.get("name", None) |
342 | a1baa42b | Christos Stavrakakis | if nic_name is not None: |
343 | a1baa42b | Christos Stavrakakis | nic_id = utils.id_from_nic_name(nic_name) |
344 | a1baa42b | Christos Stavrakakis | else:
|
345 | a1baa42b | Christos Stavrakakis | # Put as default value the index. If it is an unknown NIC to
|
346 | a1baa42b | Christos Stavrakakis | # synnefo it will be created automaticaly.
|
347 | 0d069390 | Christos Stavrakakis | nic_id = UNKNOWN_NIC_PREFIX + str(index)
|
348 | a1baa42b | Christos Stavrakakis | network_name = gnic.get('network', '') |
349 | a1baa42b | Christos Stavrakakis | network_id = utils.id_from_network_name(network_name) |
350 | a1baa42b | Christos Stavrakakis | network = Network.objects.get(id=network_id) |
351 | 77f0fa63 | Christos Stavrakakis | |
352 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
|
353 | a1baa42b | Christos Stavrakakis | mac = gnic.get('mac')
|
354 | a1baa42b | Christos Stavrakakis | ipv4 = gnic.get('ip')
|
355 | 8764d304 | Christos Stavrakakis | subnet6 = network.subnet6 |
356 | bfb3f9c2 | Christos Stavrakakis | ipv6 = mac2eui64(mac, subnet6.cidr) if subnet6 else None |
357 | 8d325d4b | Christos Stavrakakis | |
358 | a1baa42b | Christos Stavrakakis | firewall = gnic.get('firewall')
|
359 | 8d325d4b | Christos Stavrakakis | firewall_profile = _reverse_tags.get(firewall) |
360 | a1baa42b | Christos Stavrakakis | if not firewall_profile and network.public: |
361 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
362 | 9afeb669 | Kostas Papadimitriou | |
363 | a1baa42b | Christos Stavrakakis | nic_info = { |
364 | a1baa42b | Christos Stavrakakis | 'index': index,
|
365 | a1baa42b | Christos Stavrakakis | 'network': network,
|
366 | cc92b70f | Christos Stavrakakis | 'mac': mac,
|
367 | 8764d304 | Christos Stavrakakis | 'ipv4_address': ipv4,
|
368 | 8764d304 | Christos Stavrakakis | 'ipv6_address': ipv6,
|
369 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
|
370 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
371 | b578d9e7 | Christos Stavrakakis | |
372 | a1baa42b | Christos Stavrakakis | new_nics.append((nic_id, nic_info)) |
373 | a1baa42b | Christos Stavrakakis | return dict(new_nics) |
374 | b578d9e7 | Christos Stavrakakis | |
375 | b578d9e7 | Christos Stavrakakis | |
376 | bfb3f9c2 | Christos Stavrakakis | def remove_nic_ips(nic, version=None): |
377 | 3278725f | Christos Stavrakakis | """Remove IP addresses associated with a NetworkInterface.
|
378 | a1baa42b | Christos Stavrakakis |
|
379 | 3278725f | Christos Stavrakakis | Remove all IP addresses that are associated with the NetworkInterface
|
380 | 3278725f | Christos Stavrakakis | object, by returning them to the pool and deleting the IPAddress object. If
|
381 | 3278725f | Christos Stavrakakis | the IP is a floating IP, then it is just disassociated from the NIC.
|
382 | bfb3f9c2 | Christos Stavrakakis | If version is specified, then only IP addressses of that version will be
|
383 | bfb3f9c2 | Christos Stavrakakis | removed.
|
384 | a1baa42b | Christos Stavrakakis |
|
385 | a1baa42b | Christos Stavrakakis | """
|
386 | 8764d304 | Christos Stavrakakis | for ip in nic.ips.all(): |
387 | bfb3f9c2 | Christos Stavrakakis | if version and ip.ipversion != version: |
388 | bfb3f9c2 | Christos Stavrakakis | continue
|
389 | bfb3f9c2 | Christos Stavrakakis | |
390 | ff863a80 | Christos Stavrakakis | # Update the DB table holding the logging of all IP addresses
|
391 | bfb3f9c2 | Christos Stavrakakis | terminate_active_ipaddress_log(nic, ip) |
392 | ff863a80 | Christos Stavrakakis | |
393 | bfb3f9c2 | Christos Stavrakakis | if ip.floating_ip:
|
394 | bfb3f9c2 | Christos Stavrakakis | ip.nic = None
|
395 | bfb3f9c2 | Christos Stavrakakis | ip.save() |
396 | bfb3f9c2 | Christos Stavrakakis | else:
|
397 | bfb3f9c2 | Christos Stavrakakis | # Release the IPv4 address
|
398 | bfb3f9c2 | Christos Stavrakakis | ip.release_address() |
399 | 8764d304 | Christos Stavrakakis | ip.delete() |
400 | bd392934 | Christos Stavrakakis | |
401 | bd392934 | Christos Stavrakakis | |
402 | bfb3f9c2 | Christos Stavrakakis | def terminate_active_ipaddress_log(nic, ip): |
403 | ff863a80 | Christos Stavrakakis | """Update DB logging entry for this IP address."""
|
404 | fae6e5f0 | Christos Stavrakakis | if not ip.network.public or nic.machine is None: |
405 | ff863a80 | Christos Stavrakakis | return
|
406 | ff863a80 | Christos Stavrakakis | try:
|
407 | ff863a80 | Christos Stavrakakis | ip_log, created = \ |
408 | ff863a80 | Christos Stavrakakis | IPAddressLog.objects.get_or_create(server_id=nic.machine_id, |
409 | ff863a80 | Christos Stavrakakis | network_id=ip.network_id, |
410 | ff863a80 | Christos Stavrakakis | address=ip.address, |
411 | ff863a80 | Christos Stavrakakis | active=True)
|
412 | ff863a80 | Christos Stavrakakis | except IPAddressLog.MultipleObjectsReturned:
|
413 | ff863a80 | Christos Stavrakakis | logmsg = ("Multiple active log entries for IP %s, Network %s,"
|
414 | 8d5795b4 | Christos Stavrakakis | "Server %s. Cannot proceed!"
|
415 | ff863a80 | Christos Stavrakakis | % (ip.address, ip.network, nic.machine)) |
416 | ff863a80 | Christos Stavrakakis | log.error(logmsg) |
417 | ff863a80 | Christos Stavrakakis | raise
|
418 | ff863a80 | Christos Stavrakakis | |
419 | ff863a80 | Christos Stavrakakis | if created:
|
420 | ff863a80 | Christos Stavrakakis | logmsg = ("No log entry for IP %s, Network %s, Server %s. Created new"
|
421 | ff863a80 | Christos Stavrakakis | " but with wrong creation timestamp."
|
422 | ff863a80 | Christos Stavrakakis | % (ip.address, ip.network, nic.machine)) |
423 | ff863a80 | Christos Stavrakakis | log.error(logmsg) |
424 | ff863a80 | Christos Stavrakakis | ip_log.released_at = datetime.now() |
425 | ff863a80 | Christos Stavrakakis | ip_log.active = False
|
426 | ff863a80 | Christos Stavrakakis | ip_log.save() |
427 | bd392934 | Christos Stavrakakis | |
428 | bd392934 | Christos Stavrakakis | |
429 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
|
430 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
431 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
432 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
433 | 22ee6892 | Christos Stavrakakis | |
434 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
435 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
436 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
437 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
438 | 22ee6892 | Christos Stavrakakis | |
439 | c82f57ad | Christos Stavrakakis | # Note: Network is already locked!
|
440 | 05146623 | Christos Stavrakakis | network = back_network.network |
441 | 05146623 | Christos Stavrakakis | |
442 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
|
443 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
444 | d2036274 | Christos Stavrakakis | if status == rapi.JOB_STATUS_SUCCESS and state_for_success is not None: |
445 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
446 | 22ee6892 | Christos Stavrakakis | |
447 | d2036274 | Christos Stavrakakis | if (status in (rapi.JOB_STATUS_CANCELED, rapi.JOB_STATUS_ERROR) |
448 | d2036274 | Christos Stavrakakis | and opcode == 'OP_NETWORK_ADD'): |
449 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
|
450 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
451 | 22ee6892 | Christos Stavrakakis | |
452 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
453 | d2036274 | Christos Stavrakakis | network_is_deleted = (status == rapi.JOB_STATUS_SUCCESS) |
454 | d2036274 | Christos Stavrakakis | if network_is_deleted or (status == rapi.JOB_STATUS_ERROR and not |
455 | 198d91c3 | Christos Stavrakakis | network_exists_in_backend(back_network)): |
456 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
457 | e97288bc | Christos Stavrakakis | back_network.deleted = True
|
458 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
459 | 22ee6892 | Christos Stavrakakis | |
460 | d2036274 | Christos Stavrakakis | if status == rapi.JOB_STATUS_SUCCESS:
|
461 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
462 | 22ee6892 | Christos Stavrakakis | back_network.save() |
463 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
|
464 | 05146623 | Christos Stavrakakis | update_network_state(network) |
465 | fd2bdbb2 | Christos Stavrakakis | |
466 | fd2bdbb2 | Christos Stavrakakis | |
467 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
468 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
|
469 | cb4eee84 | Christos Stavrakakis |
|
470 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
|
471 | 99af08a4 | Christos Stavrakakis | backends that network exists.
|
472 | 99af08a4 | Christos Stavrakakis |
|
473 | 99af08a4 | Christos Stavrakakis | The state of the network is:
|
474 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
|
475 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
|
476 | 99af08a4 | Christos Stavrakakis |
|
477 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
|
478 | 99af08a4 | Christos Stavrakakis | quotas for the network.
|
479 | 99af08a4 | Christos Stavrakakis |
|
480 | 99af08a4 | Christos Stavrakakis | """
|
481 | 99af08a4 | Christos Stavrakakis | if network.deleted:
|
482 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
|
483 | 99af08a4 | Christos Stavrakakis | # DELETED
|
484 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
485 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
486 | 99af08a4 | Christos Stavrakakis | network.save() |
487 | cb4eee84 | Christos Stavrakakis | return
|
488 | cb4eee84 | Christos Stavrakakis | |
489 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
490 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
491 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
492 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
|
493 | 99af08a4 | Christos Stavrakakis | network.save() |
494 | 99af08a4 | Christos Stavrakakis | return
|
495 | 99af08a4 | Christos Stavrakakis | |
496 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
|
497 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
498 | 27cda06b | Christos Stavrakakis | "DELETED")
|
499 | 99af08a4 | Christos Stavrakakis | |
500 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
|
501 | 99af08a4 | Christos Stavrakakis | if deleted:
|
502 | c82f57ad | Christos Stavrakakis | if network.ips.filter(deleted=False, floating_ip=True).exists(): |
503 | 8d5795b4 | Christos Stavrakakis | msg = "Cannot delete network %s! Floating IPs still in use!"
|
504 | c82f57ad | Christos Stavrakakis | log.error(msg % network) |
505 | c82f57ad | Christos Stavrakakis | raise Exception(msg % network) |
506 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
|
507 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
508 | cb4eee84 | Christos Stavrakakis | network.deleted = True
|
509 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
510 | 6176e251 | Christos Stavrakakis | # Undrain the network, otherwise the network state will remain
|
511 | 6176e251 | Christos Stavrakakis | # as 'SNF:DRAINED'
|
512 | 6176e251 | Christos Stavrakakis | network.drained = False
|
513 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
|
514 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
515 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
|
516 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
517 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
518 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
519 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
520 | cb4eee84 | Christos Stavrakakis | |
521 | c82f57ad | Christos Stavrakakis | # Set all subnets as deleted
|
522 | c82f57ad | Christos Stavrakakis | network.subnets.update(deleted=True)
|
523 | c82f57ad | Christos Stavrakakis | # And delete the IP pools
|
524 | c82f57ad | Christos Stavrakakis | for subnet in network.subnets.all(): |
525 | c82f57ad | Christos Stavrakakis | if subnet.ipversion == 4: |
526 | c82f57ad | Christos Stavrakakis | subnet.ip_pools.all().delete() |
527 | e8234183 | Christos Stavrakakis | # And all the backend networks since there are useless
|
528 | e8234183 | Christos Stavrakakis | network.backend_networks.all().delete() |
529 | c82f57ad | Christos Stavrakakis | |
530 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
531 | e18c1749 | Christos Stavrakakis | if network.userid:
|
532 | 368d879e | Giorgos Korfiatis | quotas.issue_and_accept_commission(network, action="DESTROY")
|
533 | 32a0b855 | Giorgos Korfiatis | # the above has already saved the object and committed;
|
534 | 32a0b855 | Giorgos Korfiatis | # a second save would override others' changes, since the
|
535 | 32a0b855 | Giorgos Korfiatis | # object is now unlocked
|
536 | 32a0b855 | Giorgos Korfiatis | return
|
537 | e18c1749 | Christos Stavrakakis | elif not network.public: |
538 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
539 | cb4eee84 | Christos Stavrakakis | network.save() |
540 | cb4eee84 | Christos Stavrakakis | |
541 | cb4eee84 | Christos Stavrakakis | |
542 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
543 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
544 | e6fbada1 | Christos Stavrakakis | job_fields): |
545 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
546 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
547 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
548 | fd2bdbb2 | Christos Stavrakakis | |
549 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
550 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
551 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
552 | fd2bdbb2 | Christos Stavrakakis | |
553 | e6fbada1 | Christos Stavrakakis | add_reserved_ips = job_fields.get("add_reserved_ips")
|
554 | fc56ae0f | Christos Stavrakakis | if add_reserved_ips:
|
555 | 3278725f | Christos Stavrakakis | network = back_network.network |
556 | 3278725f | Christos Stavrakakis | for ip in add_reserved_ips: |
557 | 3278725f | Christos Stavrakakis | network.reserve_address(ip, external=True)
|
558 | fd2bdbb2 | Christos Stavrakakis | |
559 | d2036274 | Christos Stavrakakis | if status == rapi.JOB_STATUS_SUCCESS:
|
560 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
561 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
562 | ad2d6807 | Vangelis Koukis | |
563 | c25cc9ec | Vangelis Koukis | |
564 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
565 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
566 | 9068cd85 | Georgios Gousios | |
567 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
568 | 9068cd85 | Georgios Gousios | |
569 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
570 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
571 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
572 | af90d919 | Vangelis Koukis | if percentage < 0: |
573 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
574 | 9068cd85 | Georgios Gousios | |
575 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
576 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
577 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
578 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
579 | 9068cd85 | Georgios Gousios | |
580 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
581 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
582 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
583 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
584 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
585 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
586 | c25cc9ec | Vangelis Koukis | #
|
587 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
588 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
589 | 9068cd85 | Georgios Gousios | |
590 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
591 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
592 | 9068cd85 | Georgios Gousios | vm.save() |
593 | ad2d6807 | Vangelis Koukis | |
594 | c25cc9ec | Vangelis Koukis | |
595 | 952b2a48 | Christos Stavrakakis | @transaction.commit_on_success
|
596 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
597 | cc92b70f | Christos Stavrakakis | details=None):
|
598 | 7d43565f | Kostas Papadimitriou | """
|
599 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
600 | 7d43565f | Kostas Papadimitriou |
|
601 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
602 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
603 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
604 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
605 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
606 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
607 | 7d43565f | Kostas Papadimitriou | """
|
608 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
609 | cc92b70f | Christos Stavrakakis | source_date=etime, |
610 | cc92b70f | Christos Stavrakakis | message=message, |
611 | cc92b70f | Christos Stavrakakis | details=details) |
612 | 7d43565f | Kostas Papadimitriou | |
613 | 7d43565f | Kostas Papadimitriou | |
614 | 4944a1f8 | Christos Stavrakakis | def create_instance(vm, nics, volumes, flavor, image): |
615 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
616 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
617 | 7f691719 | Christos Stavrakakis |
|
618 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
619 | 3a9b3cde | Giorgos Verigakis | """
|
620 | 864bed43 | Christos Stavrakakis | |
621 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
622 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
623 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
624 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
625 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
626 | 1c382247 | Vangelis Koukis | #
|
627 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
628 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
629 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
630 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
631 | 296682fe | Kostas Papadimitriou | |
632 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
633 | 4944a1f8 | Christos Stavrakakis | disks = [] |
634 | 4944a1f8 | Christos Stavrakakis | for volume in volumes: |
635 | 4944a1f8 | Christos Stavrakakis | disk = {} |
636 | 4944a1f8 | Christos Stavrakakis | disk["size"] = volume.size * 1024 |
637 | 4944a1f8 | Christos Stavrakakis | provider = flavor.disk_provider |
638 | 4944a1f8 | Christos Stavrakakis | if provider is not None: |
639 | 4944a1f8 | Christos Stavrakakis | disk["provider"] = provider
|
640 | 4944a1f8 | Christos Stavrakakis | disk["origin"] = volume.source_image["checksum"] |
641 | 4944a1f8 | Christos Stavrakakis | extra_disk_params = settings.GANETI_DISK_PROVIDER_KWARGS\ |
642 | 4944a1f8 | Christos Stavrakakis | .get(provider) |
643 | 4944a1f8 | Christos Stavrakakis | if extra_disk_params is not None: |
644 | 4944a1f8 | Christos Stavrakakis | disk.update(extra_disk_params) |
645 | 4944a1f8 | Christos Stavrakakis | disks.append(disk) |
646 | 4944a1f8 | Christos Stavrakakis | |
647 | 4944a1f8 | Christos Stavrakakis | kw["disks"] = disks
|
648 | 296682fe | Kostas Papadimitriou | |
649 | 7c714455 | Christos Stavrakakis | kw['nics'] = [{"name": nic.backend_uuid, |
650 | 7c714455 | Christos Stavrakakis | "network": nic.network.backend_id,
|
651 | 92d2d1ce | Christos Stavrakakis | "ip": nic.ipv4_address}
|
652 | cb66110b | Christos Stavrakakis | for nic in nics] |
653 | d2036274 | Christos Stavrakakis | |
654 | cb66110b | Christos Stavrakakis | backend = vm.backend |
655 | cb66110b | Christos Stavrakakis | depend_jobs = [] |
656 | cb66110b | Christos Stavrakakis | for nic in nics: |
657 | d2036274 | Christos Stavrakakis | bnet, job_ids = ensure_network_is_active(backend, nic.network_id) |
658 | d2036274 | Christos Stavrakakis | depend_jobs.extend(job_ids) |
659 | d2036274 | Christos Stavrakakis | |
660 | d2036274 | Christos Stavrakakis | kw["depends"] = create_job_dependencies(depend_jobs)
|
661 | cb66110b | Christos Stavrakakis | |
662 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
663 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
664 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
665 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
666 | 79b7dbb7 | Christos Stavrakakis | |
667 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
668 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
669 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
670 | 79b7dbb7 | Christos Stavrakakis | |
671 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
672 | 41303ed0 | Vangelis Koukis | |
673 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
674 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
675 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
676 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
677 | 79b7dbb7 | Christos Stavrakakis | |
678 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
679 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
680 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
681 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
682 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
683 | d1eaa651 | Christos Stavrakakis | |
684 | e9d59f5e | Christos Stavrakakis | # Use opportunistic locking
|
685 | 727fb2f9 | Christos Stavrakakis | kw['opportunistic_locking'] = settings.GANETI_USE_OPPORTUNISTIC_LOCKING
|
686 | e9d59f5e | Christos Stavrakakis | |
687 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
688 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
689 | 79b7dbb7 | Christos Stavrakakis | |
690 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
691 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
692 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
693 | f533f224 | Vangelis Koukis | |
694 | 529178b1 | Giorgos Verigakis | |
695 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
696 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
697 | c8914c67 | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
698 | 529178b1 | Giorgos Verigakis | |
699 | ad2d6807 | Vangelis Koukis | |
700 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
701 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
702 | 51136096 | Christos Stavrakakis | # Note that reboot type of Ganeti job must be always hard. The 'soft' and
|
703 | 51136096 | Christos Stavrakakis | # 'hard' type of OS API is different from the one in Ganeti, and maps to
|
704 | 51136096 | Christos Stavrakakis | # 'shutdown_timeout'.
|
705 | bbae3e45 | Christos Stavrakakis | kwargs = {"instance": vm.backend_vm_id,
|
706 | bbae3e45 | Christos Stavrakakis | "reboot_type": "hard"} |
707 | 51136096 | Christos Stavrakakis | # 'shutdown_timeout' parameter is only support from snf-ganeti>=2.8.2 and
|
708 | 51136096 | Christos Stavrakakis | # Ganeti > 2.10. In other versions this parameter will be ignored and
|
709 | 51136096 | Christos Stavrakakis | # we will fallback to default timeout of Ganeti (120s).
|
710 | 51136096 | Christos Stavrakakis | if reboot_type == "hard": |
711 | 51136096 | Christos Stavrakakis | kwargs["shutdown_timeout"] = 0 |
712 | bbae3e45 | Christos Stavrakakis | if settings.TEST:
|
713 | bbae3e45 | Christos Stavrakakis | kwargs["dry_run"] = True |
714 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
715 | bbae3e45 | Christos Stavrakakis | return client.RebootInstance(**kwargs)
|
716 | 529178b1 | Giorgos Verigakis | |
717 | ad2d6807 | Vangelis Koukis | |
718 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
719 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
720 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
721 | 529178b1 | Giorgos Verigakis | |
722 | ad2d6807 | Vangelis Koukis | |
723 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
724 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
725 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
726 | 529178b1 | Giorgos Verigakis | |
727 | ad2d6807 | Vangelis Koukis | |
728 | 2cd3f389 | Christos Stavrakakis | def resize_instance(vm, vcpus, memory): |
729 | 2cd3f389 | Christos Stavrakakis | beparams = {"vcpus": int(vcpus), |
730 | 2cd3f389 | Christos Stavrakakis | "minmem": int(memory), |
731 | 2cd3f389 | Christos Stavrakakis | "maxmem": int(memory)} |
732 | 2cd3f389 | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
733 | 2cd3f389 | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, beparams=beparams)
|
734 | 2cd3f389 | Christos Stavrakakis | |
735 | 2cd3f389 | Christos Stavrakakis | |
736 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
737 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
738 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
739 | 71099804 | Vangelis Koukis | # useless (see #783).
|
740 | 71099804 | Vangelis Koukis | #
|
741 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
742 | 71099804 | Vangelis Koukis | # directly.
|
743 | 9afeb669 | Kostas Papadimitriou | #
|
744 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
745 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
746 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
747 | 71099804 | Vangelis Koukis | #
|
748 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
749 | bf5c82dc | Christos Stavrakakis | |
750 | 71099804 | Vangelis Koukis | console = {} |
751 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
752 | 3524241a | Christos Stavrakakis | |
753 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
754 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
755 | 3524241a | Christos Stavrakakis | |
756 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
757 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
758 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
759 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
760 | 9afeb669 | Kostas Papadimitriou | |
761 | 71099804 | Vangelis Koukis | return console
|
762 | 604b2bf8 | Georgios Gousios | |
763 | 604b2bf8 | Georgios Gousios | |
764 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
765 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
766 | 198d91c3 | Christos Stavrakakis | return client.GetInstance(vm.backend_vm_id)
|
767 | 198d91c3 | Christos Stavrakakis | |
768 | 198d91c3 | Christos Stavrakakis | |
769 | 198d91c3 | Christos Stavrakakis | def vm_exists_in_backend(vm): |
770 | 198d91c3 | Christos Stavrakakis | try:
|
771 | 198d91c3 | Christos Stavrakakis | get_instance_info(vm) |
772 | 198d91c3 | Christos Stavrakakis | return True |
773 | d2036274 | Christos Stavrakakis | except rapi.GanetiApiError as e: |
774 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
775 | 198d91c3 | Christos Stavrakakis | return False |
776 | 198d91c3 | Christos Stavrakakis | raise e
|
777 | 198d91c3 | Christos Stavrakakis | |
778 | 198d91c3 | Christos Stavrakakis | |
779 | 198d91c3 | Christos Stavrakakis | def get_network_info(backend_network): |
780 | 198d91c3 | Christos Stavrakakis | with pooled_rapi_client(backend_network) as client: |
781 | 198d91c3 | Christos Stavrakakis | return client.GetNetwork(backend_network.network.backend_id)
|
782 | 198d91c3 | Christos Stavrakakis | |
783 | 198d91c3 | Christos Stavrakakis | |
784 | 198d91c3 | Christos Stavrakakis | def network_exists_in_backend(backend_network): |
785 | 198d91c3 | Christos Stavrakakis | try:
|
786 | 198d91c3 | Christos Stavrakakis | get_network_info(backend_network) |
787 | 198d91c3 | Christos Stavrakakis | return True |
788 | d2036274 | Christos Stavrakakis | except rapi.GanetiApiError as e: |
789 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
790 | 198d91c3 | Christos Stavrakakis | return False |
791 | f533f224 | Vangelis Koukis | |
792 | c25cc9ec | Vangelis Koukis | |
793 | 1cb7846c | Christos Stavrakakis | def job_is_still_running(vm, job_id=None): |
794 | 01f5f8d9 | Christos Stavrakakis | with pooled_rapi_client(vm) as c: |
795 | 01f5f8d9 | Christos Stavrakakis | try:
|
796 | 1cb7846c | Christos Stavrakakis | if job_id is None: |
797 | 1cb7846c | Christos Stavrakakis | job_id = vm.backendjobid |
798 | 1cb7846c | Christos Stavrakakis | job_info = c.GetJobStatus(job_id) |
799 | a1dae38d | Christos Stavrakakis | return not (job_info["status"] in rapi.JOB_STATUS_FINALIZED) |
800 | a1dae38d | Christos Stavrakakis | except rapi.GanetiApiError:
|
801 | 01f5f8d9 | Christos Stavrakakis | return False |
802 | 01f5f8d9 | Christos Stavrakakis | |
803 | 01f5f8d9 | Christos Stavrakakis | |
804 | 1cb7846c | Christos Stavrakakis | def nic_is_stale(vm, nic, timeout=60): |
805 | 1cb7846c | Christos Stavrakakis | """Check if a NIC is stale or exists in the Ganeti backend."""
|
806 | 1cb7846c | Christos Stavrakakis | # First check the state of the NIC and if there is a pending CONNECT
|
807 | 1cb7846c | Christos Stavrakakis | if nic.state == "BUILD" and vm.task == "CONNECT": |
808 | 1cb7846c | Christos Stavrakakis | if datetime.now() < nic.created + timedelta(seconds=timeout):
|
809 | 1cb7846c | Christos Stavrakakis | # Do not check for too recent NICs to avoid the time overhead
|
810 | 1cb7846c | Christos Stavrakakis | return False |
811 | 1cb7846c | Christos Stavrakakis | if job_is_still_running(vm, job_id=vm.task_job_id):
|
812 | 1cb7846c | Christos Stavrakakis | return False |
813 | 1cb7846c | Christos Stavrakakis | else:
|
814 | 1cb7846c | Christos Stavrakakis | # If job has finished, check that the NIC exists, because the
|
815 | 1cb7846c | Christos Stavrakakis | # message may have been lost or stuck in the queue.
|
816 | 1cb7846c | Christos Stavrakakis | vm_info = get_instance_info(vm) |
817 | 1cb7846c | Christos Stavrakakis | if nic.backend_uuid in vm_info["nic.names"]: |
818 | 1cb7846c | Christos Stavrakakis | return False |
819 | 1cb7846c | Christos Stavrakakis | return True |
820 | 1cb7846c | Christos Stavrakakis | |
821 | 1cb7846c | Christos Stavrakakis | |
822 | d2036274 | Christos Stavrakakis | def ensure_network_is_active(backend, network_id): |
823 | d2036274 | Christos Stavrakakis | """Ensure that a network is active in the specified backend
|
824 | d2036274 | Christos Stavrakakis |
|
825 | d2036274 | Christos Stavrakakis | Check that a network exists and is active in the specified backend. If not
|
826 | d2036274 | Christos Stavrakakis | (re-)create the network. Return the corresponding BackendNetwork object
|
827 | d2036274 | Christos Stavrakakis | and the IDs of the Ganeti job to create the network.
|
828 | d2036274 | Christos Stavrakakis |
|
829 | d2036274 | Christos Stavrakakis | """
|
830 | d2036274 | Christos Stavrakakis | job_ids = [] |
831 | 40a815f8 | Christos Stavrakakis | try:
|
832 | 40a815f8 | Christos Stavrakakis | bnet = BackendNetwork.objects.select_related("network")\
|
833 | 40a815f8 | Christos Stavrakakis | .get(backend=backend, network=network_id) |
834 | 40a815f8 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
835 | 40a815f8 | Christos Stavrakakis | job_ids = create_network(bnet.network, backend, connect=True)
|
836 | 40a815f8 | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
837 | 40a815f8 | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network_id) |
838 | 40a815f8 | Christos Stavrakakis | bnet = BackendNetwork.objects.create(backend=backend, network=network) |
839 | d2036274 | Christos Stavrakakis | job_ids = create_network(network, backend, connect=True)
|
840 | d2036274 | Christos Stavrakakis | |
841 | d2036274 | Christos Stavrakakis | return bnet, job_ids
|
842 | d2036274 | Christos Stavrakakis | |
843 | d2036274 | Christos Stavrakakis | |
844 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
845 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
846 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
847 | 64938cb0 | Giorgos Verigakis | |
848 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
849 | c25cc9ec | Vangelis Koukis | |
850 | 99af08a4 | Christos Stavrakakis | if connect:
|
851 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
852 | 99af08a4 | Christos Stavrakakis | return job_ids
|
853 | 99af08a4 | Christos Stavrakakis | else:
|
854 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
855 | 37ca953f | Christodoulos Psaltis | |
856 | 64938cb0 | Giorgos Verigakis | |
857 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
858 | 3524241a | Christos Stavrakakis | """Create a network."""
|
859 | c25cc9ec | Vangelis Koukis | |
860 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
861 | 92d2d1ce | Christos Stavrakakis | subnet = None
|
862 | 92d2d1ce | Christos Stavrakakis | subnet6 = None
|
863 | 92d2d1ce | Christos Stavrakakis | gateway = None
|
864 | 92d2d1ce | Christos Stavrakakis | gateway6 = None
|
865 | 3278725f | Christos Stavrakakis | for _subnet in network.subnets.all(): |
866 | a2bd0802 | Christos Stavrakakis | if _subnet.dhcp and not "nfdhcpd" in tags: |
867 | a2bd0802 | Christos Stavrakakis | tags.append("nfdhcpd")
|
868 | 3278725f | Christos Stavrakakis | if _subnet.ipversion == 4: |
869 | fe3b2809 | Christos Stavrakakis | subnet = _subnet.cidr |
870 | fe3b2809 | Christos Stavrakakis | gateway = _subnet.gateway |
871 | 3278725f | Christos Stavrakakis | elif _subnet.ipversion == 6: |
872 | fe3b2809 | Christos Stavrakakis | subnet6 = _subnet.cidr |
873 | fe3b2809 | Christos Stavrakakis | gateway6 = _subnet.gateway |
874 | 2d762302 | Dimitris Aragiorgis | |
875 | a3acfc5b | Christos Stavrakakis | conflicts_check = False
|
876 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
877 | 700b85be | Dimitris Aragiorgis | tags.append('public')
|
878 | a3acfc5b | Christos Stavrakakis | if subnet is not None: |
879 | a3acfc5b | Christos Stavrakakis | conflicts_check = True
|
880 | 2d762302 | Dimitris Aragiorgis | else:
|
881 | 700b85be | Dimitris Aragiorgis | tags.append('private')
|
882 | 22ee6892 | Christos Stavrakakis | |
883 | 5aeb4e93 | Christos Stavrakakis | # Use a dummy network subnet for IPv6 only networks. Currently Ganeti does
|
884 | 5aeb4e93 | Christos Stavrakakis | # not support IPv6 only networks. To bypass this limitation, we create the
|
885 | 5aeb4e93 | Christos Stavrakakis | # network with a dummy network subnet, and make Cyclades connect instances
|
886 | 5aeb4e93 | Christos Stavrakakis | # to such networks, with address=None.
|
887 | 5aeb4e93 | Christos Stavrakakis | if subnet is None: |
888 | c12627c7 | Christos Stavrakakis | subnet = "10.0.0.0/29"
|
889 | 5aeb4e93 | Christos Stavrakakis | |
890 | 3524241a | Christos Stavrakakis | try:
|
891 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
892 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
893 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
894 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
895 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
896 | 3524241a | Christos Stavrakakis | |
897 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
898 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
899 | 5aeb4e93 | Christos Stavrakakis | network=subnet, |
900 | 92d2d1ce | Christos Stavrakakis | network6=subnet6, |
901 | 92d2d1ce | Christos Stavrakakis | gateway=gateway, |
902 | 92d2d1ce | Christos Stavrakakis | gateway6=gateway6, |
903 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
904 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
905 | 3524241a | Christos Stavrakakis | tags=tags) |
906 | 3524241a | Christos Stavrakakis | |
907 | 3524241a | Christos Stavrakakis | |
908 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
909 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
910 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
911 | bf5c82dc | Christos Stavrakakis | |
912 | a3acfc5b | Christos Stavrakakis | conflicts_check = False
|
913 | a3acfc5b | Christos Stavrakakis | if network.public and (network.subnet4 is not None): |
914 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
915 | 2d762302 | Dimitris Aragiorgis | |
916 | d2036274 | Christos Stavrakakis | depends = create_job_dependencies(depends) |
917 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
918 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
919 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
920 | 99af08a4 | Christos Stavrakakis | for group in groups: |
921 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
922 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
923 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
924 | 99af08a4 | Christos Stavrakakis | depends=depends) |
925 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
926 | 99af08a4 | Christos Stavrakakis | return job_ids
|
927 | 22ee6892 | Christos Stavrakakis | |
928 | 22ee6892 | Christos Stavrakakis | |
929 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
930 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
931 | 22ee6892 | Christos Stavrakakis | |
932 | 99af08a4 | Christos Stavrakakis | depends = [] |
933 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
934 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
935 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
936 | bf5c82dc | Christos Stavrakakis | |
937 | 22ee6892 | Christos Stavrakakis | |
938 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
939 | d2036274 | Christos Stavrakakis | depends = create_job_dependencies(depends) |
940 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
941 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
942 | 22ee6892 | Christos Stavrakakis | |
943 | 22ee6892 | Christos Stavrakakis | |
944 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
945 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
946 | 22ee6892 | Christos Stavrakakis | |
947 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
948 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
949 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
950 | 99af08a4 | Christos Stavrakakis | for group in groups: |
951 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
952 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
953 | 99af08a4 | Christos Stavrakakis | return job_ids
|
954 | 36f4cb29 | Christos Stavrakakis | |
955 | 36f4cb29 | Christos Stavrakakis | |
956 | 2a2b01e5 | Christos Stavrakakis | def connect_to_network(vm, nic): |
957 | 2a2b01e5 | Christos Stavrakakis | network = nic.network |
958 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
959 | d2036274 | Christos Stavrakakis | bnet, depend_jobs = ensure_network_is_active(backend, network.id) |
960 | 99af08a4 | Christos Stavrakakis | |
961 | d2036274 | Christos Stavrakakis | depends = create_job_dependencies(depend_jobs) |
962 | 99af08a4 | Christos Stavrakakis | |
963 | 7c714455 | Christos Stavrakakis | nic = {'name': nic.backend_uuid,
|
964 | 7c714455 | Christos Stavrakakis | 'network': network.backend_id,
|
965 | 8764d304 | Christos Stavrakakis | 'ip': nic.ipv4_address}
|
966 | 22ee6892 | Christos Stavrakakis | |
967 | 7c714455 | Christos Stavrakakis | log.debug("Adding NIC %s to VM %s", nic, vm)
|
968 | 22ee6892 | Christos Stavrakakis | |
969 | 6488097c | Christos Stavrakakis | kwargs = { |
970 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
971 | 1d74f135 | Dimitris Aragiorgis | "nics": [("add", "-1", nic)], |
972 | 6488097c | Christos Stavrakakis | "depends": depends,
|
973 | 6488097c | Christos Stavrakakis | } |
974 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
975 | b81e0ba5 | Christos Stavrakakis | kwargs["hotplug_if_possible"] = True |
976 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
977 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
978 | 6488097c | Christos Stavrakakis | |
979 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
980 | 6488097c | Christos Stavrakakis | return client.ModifyInstance(**kwargs)
|
981 | 22ee6892 | Christos Stavrakakis | |
982 | 22ee6892 | Christos Stavrakakis | |
983 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
984 | 7c714455 | Christos Stavrakakis | log.debug("Removing NIC %s of VM %s", nic, vm)
|
985 | 22ee6892 | Christos Stavrakakis | |
986 | 6488097c | Christos Stavrakakis | kwargs = { |
987 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
988 | cd7ed999 | Christos Stavrakakis | "nics": [("remove", nic.backend_uuid, {})], |
989 | 6488097c | Christos Stavrakakis | } |
990 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
991 | b81e0ba5 | Christos Stavrakakis | kwargs["hotplug_if_possible"] = True |
992 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
993 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
994 | 6488097c | Christos Stavrakakis | |
995 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
996 | 6488097c | Christos Stavrakakis | jobID = client.ModifyInstance(**kwargs) |
997 | 27435d42 | Christos Stavrakakis | firewall_profile = nic.firewall_profile |
998 | 231b0fb6 | Christos Stavrakakis | if firewall_profile and firewall_profile != "DISABLED": |
999 | d0545590 | Christos Stavrakakis | tag = _firewall_tags[firewall_profile] % nic.backend_uuid |
1000 | 27435d42 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [tag], |
1001 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
1002 | 27435d42 | Christos Stavrakakis | |
1003 | 27435d42 | Christos Stavrakakis | return jobID
|
1004 | 91826390 | Giorgos Verigakis | |
1005 | c25cc9ec | Vangelis Koukis | |
1006 | d0545590 | Christos Stavrakakis | def set_firewall_profile(vm, profile, nic): |
1007 | d0545590 | Christos Stavrakakis | uuid = nic.backend_uuid |
1008 | 26563957 | Giorgos Verigakis | try:
|
1009 | d0545590 | Christos Stavrakakis | tag = _firewall_tags[profile] % uuid |
1010 | 26563957 | Giorgos Verigakis | except KeyError: |
1011 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
1012 | 37ca953f | Christodoulos Psaltis | |
1013 | d0545590 | Christos Stavrakakis | log.debug("Setting tag of VM %s, NIC %s, to %s", vm, nic, profile)
|
1014 | bf5c82dc | Christos Stavrakakis | |
1015 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
1016 | b2791a77 | Christos Stavrakakis | # Delete previous firewall tags
|
1017 | b2791a77 | Christos Stavrakakis | old_tags = client.GetInstanceTags(vm.backend_vm_id) |
1018 | d0545590 | Christos Stavrakakis | delete_tags = [(t % uuid) for t in _firewall_tags.values() |
1019 | d0545590 | Christos Stavrakakis | if (t % uuid) in old_tags] |
1020 | b2791a77 | Christos Stavrakakis | if delete_tags:
|
1021 | b2791a77 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, delete_tags, |
1022 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
1023 | 37ca953f | Christodoulos Psaltis | |
1024 | 27435d42 | Christos Stavrakakis | if profile != "DISABLED": |
1025 | 27435d42 | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], |
1026 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
1027 | 9afeb669 | Kostas Papadimitriou | |
1028 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
1029 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
1030 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
1031 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
1032 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
1033 | 41a7fae7 | Christos Stavrakakis | return None |
1034 | 5eedb0e4 | Vangelis Koukis | |
1035 | 41303ed0 | Vangelis Koukis | |
1036 | 79a1e9bd | Christos Stavrakakis | def attach_volume(vm, volume, depends=[]): |
1037 | 79a1e9bd | Christos Stavrakakis | log.debug("Attaching volume %s to vm %s", vm, volume)
|
1038 | 79a1e9bd | Christos Stavrakakis | |
1039 | 79a1e9bd | Christos Stavrakakis | disk = {"size": volume.size,
|
1040 | 79a1e9bd | Christos Stavrakakis | "name": volume.backend_volume_uuid,
|
1041 | 79a1e9bd | Christos Stavrakakis | "volume_name": volume.backend_volume_uuid}
|
1042 | 79a1e9bd | Christos Stavrakakis | if volume.source_volume_id is not None: |
1043 | 79a1e9bd | Christos Stavrakakis | disk["origin"] = volume.source_volume.backend_volume_uuid
|
1044 | 79a1e9bd | Christos Stavrakakis | elif volume.source_snapshot is not None: |
1045 | 79a1e9bd | Christos Stavrakakis | disk["origin"] = volume.source_snapshot["checksum"] |
1046 | 79a1e9bd | Christos Stavrakakis | elif volume.source_image is not None: |
1047 | 79a1e9bd | Christos Stavrakakis | disk["origin"] = volume.source_image["checksum"] |
1048 | 79a1e9bd | Christos Stavrakakis | |
1049 | 79a1e9bd | Christos Stavrakakis | kwargs = { |
1050 | 79a1e9bd | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
1051 | 79a1e9bd | Christos Stavrakakis | "disks": [("add", "-1", disk)], |
1052 | 79a1e9bd | Christos Stavrakakis | "depends": depends,
|
1053 | 79a1e9bd | Christos Stavrakakis | } |
1054 | 79a1e9bd | Christos Stavrakakis | if vm.backend.use_hotplug():
|
1055 | 79a1e9bd | Christos Stavrakakis | kwargs["hotplug"] = True |
1056 | 79a1e9bd | Christos Stavrakakis | if settings.TEST:
|
1057 | 79a1e9bd | Christos Stavrakakis | kwargs["dry_run"] = True |
1058 | 79a1e9bd | Christos Stavrakakis | |
1059 | 79a1e9bd | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
1060 | 79a1e9bd | Christos Stavrakakis | return client.ModifyInstance(**kwargs)
|
1061 | 79a1e9bd | Christos Stavrakakis | |
1062 | 79a1e9bd | Christos Stavrakakis | |
1063 | 79a1e9bd | Christos Stavrakakis | def detach_volume(vm, volume): |
1064 | 79a1e9bd | Christos Stavrakakis | log.debug("Removing volume %s from vm %s", volume, vm)
|
1065 | 79a1e9bd | Christos Stavrakakis | kwargs = { |
1066 | 79a1e9bd | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
1067 | 79a1e9bd | Christos Stavrakakis | "disks": [("remove", volume.backend_volume_uuid, {})], |
1068 | 79a1e9bd | Christos Stavrakakis | } |
1069 | 79a1e9bd | Christos Stavrakakis | if vm.backend.use_hotplug():
|
1070 | 79a1e9bd | Christos Stavrakakis | kwargs["hotplug"] = True |
1071 | 79a1e9bd | Christos Stavrakakis | if settings.TEST:
|
1072 | 79a1e9bd | Christos Stavrakakis | kwargs["dry_run"] = True |
1073 | 79a1e9bd | Christos Stavrakakis | |
1074 | 79a1e9bd | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
1075 | 79a1e9bd | Christos Stavrakakis | return client.ModifyInstance(**kwargs)
|
1076 | 79a1e9bd | Christos Stavrakakis | |
1077 | 79a1e9bd | Christos Stavrakakis | |
1078 | c465e496 | Christos | def snapshot_instance(vm, snapshot_name): |
1079 | c465e496 | Christos | #volume = instance.volumes.all()[0]
|
1080 | c465e496 | Christos | with pooled_rapi_client(vm) as client: |
1081 | c465e496 | Christos | return client.SnapshotInstance(instance=vm.backend_vm_id,
|
1082 | c465e496 | Christos | snapshot_name=snapshot_name) |
1083 | c465e496 | Christos | |
1084 | c465e496 | Christos | |
1085 | e77a29ab | Christos Stavrakakis | def get_instances(backend, bulk=True): |
1086 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
1087 | e77a29ab | Christos Stavrakakis | return c.GetInstances(bulk=bulk)
|
1088 | d986cb32 | Christos Stavrakakis | |
1089 | f5b4f2a3 | Christos Stavrakakis | |
1090 | e77a29ab | Christos Stavrakakis | def get_nodes(backend, bulk=True): |
1091 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
1092 | e77a29ab | Christos Stavrakakis | return c.GetNodes(bulk=bulk)
|
1093 | 1a894bfe | Christos Stavrakakis | |
1094 | 1a894bfe | Christos Stavrakakis | |
1095 | 70a0afab | Christos Stavrakakis | def get_jobs(backend, bulk=True): |
1096 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
1097 | 70a0afab | Christos Stavrakakis | return c.GetJobs(bulk=bulk)
|
1098 | f5b4f2a3 | Christos Stavrakakis | |
1099 | 17852fe9 | Giorgos Verigakis | |
1100 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
1101 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
1102 | 1a894bfe | Christos Stavrakakis |
|
1103 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
1104 | 41303ed0 | Vangelis Koukis |
|
1105 | 1a894bfe | Christos Stavrakakis | """
|
1106 | e77a29ab | Christos Stavrakakis | nodes = get_nodes(backend, bulk=True)
|
1107 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
1108 | 1a894bfe | Christos Stavrakakis | res = {} |
1109 | 1a894bfe | Christos Stavrakakis | for a in attr: |
1110 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
1111 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
1112 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
1113 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
1114 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
1115 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
1116 | 1a894bfe | Christos Stavrakakis | for a in attr: |
1117 | 121b8921 | Christos Stavrakakis | res[a] += int(n[a] or 0) |
1118 | 1a894bfe | Christos Stavrakakis | return res
|
1119 | 1a894bfe | Christos Stavrakakis | |
1120 | 1a894bfe | Christos Stavrakakis | |
1121 | 1da50fe3 | Christos Stavrakakis | def update_backend_resources(backend, resources=None): |
1122 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
1123 | 1a894bfe | Christos Stavrakakis |
|
1124 | 1a894bfe | Christos Stavrakakis | """
|
1125 | 17852fe9 | Giorgos Verigakis | |
1126 | 1a894bfe | Christos Stavrakakis | if not resources: |
1127 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
1128 | 41303ed0 | Vangelis Koukis | |
1129 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
1130 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
1131 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
1132 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
1133 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
1134 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
1135 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
1136 | 1a894bfe | Christos Stavrakakis | backend.save() |
1137 | 1a894bfe | Christos Stavrakakis | |
1138 | 1a894bfe | Christos Stavrakakis | |
1139 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
1140 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
1141 | 1a894bfe | Christos Stavrakakis |
|
1142 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
1143 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
1144 | 1a894bfe | Christos Stavrakakis |
|
1145 | 1a894bfe | Christos Stavrakakis | """
|
1146 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
1147 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
1148 | 1a894bfe | Christos Stavrakakis | mem = 0
|
1149 | 1a894bfe | Christos Stavrakakis | for i in instances: |
1150 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
1151 | 1a894bfe | Christos Stavrakakis | return mem
|
1152 | b3d28af2 | Christos Stavrakakis | |
1153 | 1da50fe3 | Christos Stavrakakis | |
1154 | 1da50fe3 | Christos Stavrakakis | def get_available_disk_templates(backend): |
1155 | 1da50fe3 | Christos Stavrakakis | """Get the list of available disk templates of a Ganeti backend.
|
1156 | 1da50fe3 | Christos Stavrakakis |
|
1157 | 1da50fe3 | Christos Stavrakakis | The list contains the disk templates that are enabled in the Ganeti backend
|
1158 | 1da50fe3 | Christos Stavrakakis | and also included in ipolicy-disk-templates.
|
1159 | 1da50fe3 | Christos Stavrakakis |
|
1160 | 1da50fe3 | Christos Stavrakakis | """
|
1161 | 1da50fe3 | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
1162 | 1da50fe3 | Christos Stavrakakis | info = c.GetInfo() |
1163 | 1da50fe3 | Christos Stavrakakis | ipolicy_disk_templates = info["ipolicy"]["disk-templates"] |
1164 | a8ae6989 | Christos Stavrakakis | try:
|
1165 | a8ae6989 | Christos Stavrakakis | enabled_disk_templates = info["enabled_disk_templates"]
|
1166 | a8ae6989 | Christos Stavrakakis | return [dp for dp in enabled_disk_templates |
1167 | a8ae6989 | Christos Stavrakakis | if dp in ipolicy_disk_templates] |
1168 | a8ae6989 | Christos Stavrakakis | except KeyError: |
1169 | a8ae6989 | Christos Stavrakakis | # Ganeti < 2.8 does not have 'enabled_disk_templates'
|
1170 | a8ae6989 | Christos Stavrakakis | return ipolicy_disk_templates
|
1171 | 1da50fe3 | Christos Stavrakakis | |
1172 | 1da50fe3 | Christos Stavrakakis | |
1173 | 1da50fe3 | Christos Stavrakakis | def update_backend_disk_templates(backend): |
1174 | 1da50fe3 | Christos Stavrakakis | disk_templates = get_available_disk_templates(backend) |
1175 | 1da50fe3 | Christos Stavrakakis | backend.disk_templates = disk_templates |
1176 | 1da50fe3 | Christos Stavrakakis | backend.save() |
1177 | 1da50fe3 | Christos Stavrakakis | |
1178 | 1da50fe3 | Christos Stavrakakis | |
1179 | b3d28af2 | Christos Stavrakakis | ##
|
1180 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
1181 | b3d28af2 | Christos Stavrakakis | ##
|
1182 | b3d28af2 | Christos Stavrakakis | |
1183 | b3d28af2 | Christos Stavrakakis | |
1184 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
1185 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
1186 | d2036274 | Christos Stavrakakis | if result[0] != rapi.JOB_STATUS_SUCCESS: |
1187 | b3d28af2 | Christos Stavrakakis | return result
|
1188 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
1189 | b3d28af2 | Christos Stavrakakis | return result
|
1190 | b3d28af2 | Christos Stavrakakis | |
1191 | b3d28af2 | Christos Stavrakakis | |
1192 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
1193 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
1194 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
1195 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
1196 | 3524241a | Christos Stavrakakis | return result
|
1197 | b3d28af2 | Christos Stavrakakis | |
1198 | b3d28af2 | Christos Stavrakakis | |
1199 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
1200 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
1201 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
1202 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
1203 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
1204 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
1205 | d2036274 | Christos Stavrakakis | if result[0] != rapi.JOB_STATUS_SUCCESS: |
1206 | 3524241a | Christos Stavrakakis | return result
|
1207 | b3d28af2 | Christos Stavrakakis | |
1208 | b3d28af2 | Christos Stavrakakis | return result
|
1209 | b3d28af2 | Christos Stavrakakis | |
1210 | b3d28af2 | Christos Stavrakakis | |
1211 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
1212 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
1213 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
1214 | d2036274 | Christos Stavrakakis | while status not in rapi.JOB_STATUS_FINALIZED: |
1215 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
1216 | cc92b70f | Christos Stavrakakis | [result], None)
|
1217 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
1218 | b3d28af2 | Christos Stavrakakis | |
1219 | d2036274 | Christos Stavrakakis | if status == rapi.JOB_STATUS_SUCCESS:
|
1220 | b3d28af2 | Christos Stavrakakis | return (status, None) |
1221 | b3d28af2 | Christos Stavrakakis | else:
|
1222 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
1223 | b3d28af2 | Christos Stavrakakis | return (status, error)
|
1224 | d2036274 | Christos Stavrakakis | |
1225 | d2036274 | Christos Stavrakakis | |
1226 | d2036274 | Christos Stavrakakis | def create_job_dependencies(job_ids=[], job_states=None): |
1227 | d2036274 | Christos Stavrakakis | """Transform a list of job IDs to Ganeti 'depends' attribute."""
|
1228 | d2036274 | Christos Stavrakakis | if job_states is None: |
1229 | d2036274 | Christos Stavrakakis | job_states = list(rapi.JOB_STATUS_FINALIZED)
|
1230 | d2036274 | Christos Stavrakakis | assert(type(job_states) == list) |
1231 | d2036274 | Christos Stavrakakis | return [[job_id, job_states] for job_id in job_ids] |