root / snf-cyclades-app / synnefo / logic / backend.py @ a96e84cf
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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 | 8764d304 | Christos Stavrakakis | Flavor, IPAddress) |
41 | 03992c72 | Christos Stavrakakis | from synnefo.logic import utils |
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 | 198d91c3 | Christos Stavrakakis | from synnefo.logic.rapi import GanetiApiError |
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 | d7ff7f5a | Christos Stavrakakis | # Timeout in seconds for building NICs. After this period the NICs considered
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59 | d7ff7f5a | Christos Stavrakakis | # stale and removed from DB.
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60 | 0d069390 | Christos Stavrakakis | BUILDING_NIC_TIMEOUT = timedelta(seconds=180)
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61 | 02feca11 | Vassilios Karakoidas | |
62 | 8764d304 | Christos Stavrakakis | NIC_FIELDS = ["state", "mac", "ipv4_address", "ipv6_address", "network", |
63 | 8764d304 | Christos Stavrakakis | "firewall_profile", "index"] |
64 | 0d069390 | Christos Stavrakakis | UNKNOWN_NIC_PREFIX = "unknown-"
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65 | a1baa42b | Christos Stavrakakis | |
66 | a1baa42b | Christos Stavrakakis | |
67 | 41a7fae7 | Christos Stavrakakis | def handle_vm_quotas(vm, job_id, job_opcode, job_status, job_fields): |
68 | 41a7fae7 | Christos Stavrakakis | """Handle quotas for updated VirtualMachine.
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69 | 41a7fae7 | Christos Stavrakakis |
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70 | 41a7fae7 | Christos Stavrakakis | Update quotas for the updated VirtualMachine based on the job that run on
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71 | 41a7fae7 | Christos Stavrakakis | the Ganeti backend. If a commission has been already issued for this job,
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72 | 41a7fae7 | Christos Stavrakakis | then this commission is just accepted or rejected based on the job status.
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73 | 41a7fae7 | Christos Stavrakakis | Otherwise, a new commission for the given change is issued, that is also in
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74 | 41a7fae7 | Christos Stavrakakis | force and auto-accept mode. In this case, previous commissions are
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75 | 41a7fae7 | Christos Stavrakakis | rejected, since they reflect a previous state of the VM.
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76 | 41a7fae7 | Christos Stavrakakis |
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77 | 41a7fae7 | Christos Stavrakakis | """
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78 | 41a7fae7 | Christos Stavrakakis | if job_status not in ["success", "error", "canceled"]: |
79 | 88fd91af | Christos Stavrakakis | return vm
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80 | 41a7fae7 | Christos Stavrakakis | |
81 | 41a7fae7 | Christos Stavrakakis | # Check successful completion of a job will trigger any quotable change in
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82 | 41a7fae7 | Christos Stavrakakis | # the VM state.
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83 | 41a7fae7 | Christos Stavrakakis | action = utils.get_action_from_opcode(job_opcode, job_fields) |
84 | 88fd91af | Christos Stavrakakis | if action == "BUILD": |
85 | 88fd91af | Christos Stavrakakis | # Quotas for new VMs are automatically accepted by the API
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86 | 88fd91af | Christos Stavrakakis | return vm
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87 | 41a7fae7 | Christos Stavrakakis | commission_info = quotas.get_commission_info(vm, action=action, |
88 | 41a7fae7 | Christos Stavrakakis | action_fields=job_fields) |
89 | 41a7fae7 | Christos Stavrakakis | |
90 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == job_id and vm.serial is not None: |
91 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has already been issued. So just
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92 | 562bf712 | Christos Stavrakakis | # accept/reject it. Special case is OP_INSTANCE_CREATE, which even
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93 | 562bf712 | Christos Stavrakakis | # if fails, must be accepted, as the user must manually remove the
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94 | 562bf712 | Christos Stavrakakis | # failed server
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95 | 41a7fae7 | Christos Stavrakakis | serial = vm.serial |
96 | 88fd91af | Christos Stavrakakis | if job_status == "success": |
97 | 41a7fae7 | Christos Stavrakakis | quotas.accept_serial(serial) |
98 | 41a7fae7 | Christos Stavrakakis | elif job_status in ["error", "canceled"]: |
99 | 41a7fae7 | Christos Stavrakakis | log.debug("Job %s failed. Rejecting related serial %s", job_id,
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100 | 41a7fae7 | Christos Stavrakakis | serial) |
101 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(serial) |
102 | 41a7fae7 | Christos Stavrakakis | vm.serial = None
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103 | 41a7fae7 | Christos Stavrakakis | elif job_status == "success" and commission_info is not None: |
104 | 41a7fae7 | Christos Stavrakakis | log.debug("Expected job was %s. Processing job %s. Commission for"
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105 | 41a7fae7 | Christos Stavrakakis | " this job: %s", vm.task_job_id, job_id, commission_info)
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106 | 41a7fae7 | Christos Stavrakakis | # Commission for this change has not been issued, or the issued
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107 | 41a7fae7 | Christos Stavrakakis | # commission was unaware of the current change. Reject all previous
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108 | 41a7fae7 | Christos Stavrakakis | # commissions and create a new one in forced mode!
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109 | 9122ffab | Christos Stavrakakis | commission_name = ("client: dispatcher, resource: %s, ganeti_job: %s"
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110 | 9122ffab | Christos Stavrakakis | % (vm, job_id)) |
111 | 5c8076b6 | Christos Stavrakakis | quotas.handle_resource_commission(vm, action, |
112 | 5c8076b6 | Christos Stavrakakis | commission_info=commission_info, |
113 | 5c8076b6 | Christos Stavrakakis | commission_name=commission_name, |
114 | 5c8076b6 | Christos Stavrakakis | force=True,
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115 | 5c8076b6 | Christos Stavrakakis | auto_accept=True)
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116 | 5c8076b6 | Christos Stavrakakis | log.debug("Issued new commission: %s", vm.serial)
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117 | 41a7fae7 | Christos Stavrakakis | |
118 | 41a7fae7 | Christos Stavrakakis | return vm
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119 | 41a7fae7 | Christos Stavrakakis | |
120 | 41a7fae7 | Christos Stavrakakis | |
121 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
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122 | ca4d59e3 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg, nics=None, |
123 | e6fbada1 | Christos Stavrakakis | job_fields=None):
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124 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
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125 | 02feca11 | Vassilios Karakoidas |
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126 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
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127 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
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128 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
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129 | 02feca11 | Vassilios Karakoidas |
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130 | 02feca11 | Vassilios Karakoidas | """
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131 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
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132 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
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133 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
134 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
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135 | 02feca11 | Vassilios Karakoidas | |
136 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
137 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
138 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
139 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
140 | 02feca11 | Vassilios Karakoidas | |
141 | 41a7fae7 | Christos Stavrakakis | if status in ["queued", "waiting", "running"]: |
142 | 41a7fae7 | Christos Stavrakakis | vm.save() |
143 | 41a7fae7 | Christos Stavrakakis | return
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144 | 41a7fae7 | Christos Stavrakakis | |
145 | e6fbada1 | Christos Stavrakakis | if job_fields is None: |
146 | e6fbada1 | Christos Stavrakakis | job_fields = {} |
147 | 41a7fae7 | Christos Stavrakakis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode) |
148 | 32a0b855 | Giorgos Korfiatis | |
149 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
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150 | 41a7fae7 | Christos Stavrakakis | if status == "success": |
151 | 41a7fae7 | Christos Stavrakakis | if state_for_success is not None: |
152 | 41a7fae7 | Christos Stavrakakis | vm.operstate = state_for_success |
153 | e6fbada1 | Christos Stavrakakis | beparams = job_fields.get("beparams", None) |
154 | 41a7fae7 | Christos Stavrakakis | if beparams:
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155 | 41a7fae7 | Christos Stavrakakis | # Change the flavor of the VM
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156 | ca4d59e3 | Christos Stavrakakis | _process_resize(vm, beparams) |
157 | 41a7fae7 | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully
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158 | 41a7fae7 | Christos Stavrakakis | # completed, since only these jobs update the state of the VM. Else a
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159 | 41a7fae7 | Christos Stavrakakis | # "race condition" may occur when a successful job (e.g.
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160 | 41a7fae7 | Christos Stavrakakis | # OP_INSTANCE_REMOVE) completes before an error job and messages arrive
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161 | 41a7fae7 | Christos Stavrakakis | # in reversed order.
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162 | 41a7fae7 | Christos Stavrakakis | vm.backendtime = etime |
163 | ca4d59e3 | Christos Stavrakakis | |
164 | 90858bda | Christos Stavrakakis | if status in ["success", "error", "canceled"] and nics is not None: |
165 | 90858bda | Christos Stavrakakis | # Update the NICs of the VM
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166 | 90858bda | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
167 | 90858bda | Christos Stavrakakis | |
168 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
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169 | cb4eee84 | Christos Stavrakakis | if opcode == 'OP_INSTANCE_CREATE' and status in ('canceled', 'error'): |
170 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
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171 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
172 | cb4eee84 | Christos Stavrakakis | elif opcode == 'OP_INSTANCE_REMOVE': |
173 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
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174 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
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175 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
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176 | ed2064f8 | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
177 | 198d91c3 | Christos Stavrakakis | not vm_exists_in_backend(vm)):
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178 | a1baa42b | Christos Stavrakakis | # VM has been deleted
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179 | a1baa42b | Christos Stavrakakis | for nic in vm.nics.all(): |
180 | a1baa42b | Christos Stavrakakis | # Release the IP
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181 | a1baa42b | Christos Stavrakakis | release_nic_address(nic) |
182 | a1baa42b | Christos Stavrakakis | # And delete the NIC.
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183 | a1baa42b | Christos Stavrakakis | nic.delete() |
184 | e97288bc | Christos Stavrakakis | vm.deleted = True
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185 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
186 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
187 | 41a7fae7 | Christos Stavrakakis | status = "success"
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188 | 41a7fae7 | Christos Stavrakakis | |
189 | 41a7fae7 | Christos Stavrakakis | if status in ["success", "error", "canceled"]: |
190 | 41a7fae7 | Christos Stavrakakis | # Job is finalized: Handle quotas/commissioning
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191 | 41a7fae7 | Christos Stavrakakis | vm = handle_vm_quotas(vm, job_id=jobid, job_opcode=opcode, |
192 | 3c52a9df | Christos Stavrakakis | job_status=status, job_fields=job_fields) |
193 | 41a7fae7 | Christos Stavrakakis | # and clear task fields
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194 | 41a7fae7 | Christos Stavrakakis | if vm.task_job_id == jobid:
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195 | 41a7fae7 | Christos Stavrakakis | vm.task = None
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196 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = None
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197 | 02feca11 | Vassilios Karakoidas | |
198 | 02feca11 | Vassilios Karakoidas | vm.save() |
199 | 22e52ede | Vassilios Karakoidas | |
200 | ad2d6807 | Vangelis Koukis | |
201 | ca4d59e3 | Christos Stavrakakis | def _process_resize(vm, beparams): |
202 | ca4d59e3 | Christos Stavrakakis | """Change flavor of a VirtualMachine based on new beparams."""
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203 | ca4d59e3 | Christos Stavrakakis | old_flavor = vm.flavor |
204 | 41a7fae7 | Christos Stavrakakis | vcpus = beparams.get("vcpus", old_flavor.cpu)
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205 | 41a7fae7 | Christos Stavrakakis | ram = beparams.get("maxmem", old_flavor.ram)
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206 | 41a7fae7 | Christos Stavrakakis | if vcpus == old_flavor.cpu and ram == old_flavor.ram: |
207 | ca4d59e3 | Christos Stavrakakis | return
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208 | ca4d59e3 | Christos Stavrakakis | try:
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209 | ca4d59e3 | Christos Stavrakakis | new_flavor = Flavor.objects.get(cpu=vcpus, ram=ram, |
210 | ca4d59e3 | Christos Stavrakakis | disk=old_flavor.disk, |
211 | ca4d59e3 | Christos Stavrakakis | disk_template=old_flavor.disk_template) |
212 | ca4d59e3 | Christos Stavrakakis | except Flavor.DoesNotExist:
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213 | ca4d59e3 | Christos Stavrakakis | raise Exception("Can not find flavor for VM") |
214 | ca4d59e3 | Christos Stavrakakis | vm.flavor = new_flavor |
215 | ca4d59e3 | Christos Stavrakakis | vm.save() |
216 | ca4d59e3 | Christos Stavrakakis | |
217 | ca4d59e3 | Christos Stavrakakis | |
218 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
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219 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
220 | fd95834e | Christos Stavrakakis | """Wrap _process_net_status inside transaction."""
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221 | fd95834e | Christos Stavrakakis | _process_net_status(vm, etime, nics) |
222 | fd95834e | Christos Stavrakakis | |
223 | fd95834e | Christos Stavrakakis | |
224 | fd95834e | Christos Stavrakakis | def _process_net_status(vm, etime, nics): |
225 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
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226 | ad2d6807 | Vangelis Koukis |
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227 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
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228 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
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229 | ad2d6807 | Vangelis Koukis |
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230 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
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231 | 37ca953f | Christodoulos Psaltis |
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232 | a1baa42b | Christos Stavrakakis | """
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233 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
234 | a1baa42b | Christos Stavrakakis | db_nics = dict([(nic.id, nic) for nic in vm.nics.all()]) |
235 | 40d53b77 | Christos Stavrakakis | |
236 | 40d53b77 | Christos Stavrakakis | # Get X-Lock on backend before getting X-Lock on network IP pools, to
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237 | 40d53b77 | Christos Stavrakakis | # guarantee that no deadlock will occur with Backend allocator.
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238 | 40d53b77 | Christos Stavrakakis | Backend.objects.select_for_update().get(id=vm.backend_id) |
239 | b578d9e7 | Christos Stavrakakis | |
240 | a1baa42b | Christos Stavrakakis | for nic_name in set(db_nics.keys()) | set(ganeti_nics.keys()): |
241 | a1baa42b | Christos Stavrakakis | db_nic = db_nics.get(nic_name) |
242 | a1baa42b | Christos Stavrakakis | ganeti_nic = ganeti_nics.get(nic_name) |
243 | a1baa42b | Christos Stavrakakis | if ganeti_nic is None: |
244 | a1baa42b | Christos Stavrakakis | # NIC exists in DB but not in Ganeti. If the NIC is in 'building'
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245 | a1baa42b | Christos Stavrakakis | # state for more than 5 minutes, then we remove the NIC.
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246 | a1baa42b | Christos Stavrakakis | # TODO: This is dangerous as the job may be stack in the queue, and
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247 | a1baa42b | Christos Stavrakakis | # releasing the IP may lead to duplicate IP use.
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248 | 0d069390 | Christos Stavrakakis | if db_nic.state != "BUILDING" or\ |
249 | 0d069390 | Christos Stavrakakis | (db_nic.state == "BUILDING" and |
250 | 0d069390 | Christos Stavrakakis | etime > db_nic.created + BUILDING_NIC_TIMEOUT): |
251 | 0d069390 | Christos Stavrakakis | release_nic_address(db_nic) |
252 | 0d069390 | Christos Stavrakakis | db_nic.delete() |
253 | a1baa42b | Christos Stavrakakis | else:
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254 | 0d069390 | Christos Stavrakakis | log.warning("Ignoring recent building NIC: %s", db_nic)
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255 | a1baa42b | Christos Stavrakakis | elif db_nic is None: |
256 | a1baa42b | Christos Stavrakakis | # NIC exists in Ganeti but not in DB
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257 | 0d069390 | Christos Stavrakakis | if str(nic_name).startswith(UNKNOWN_NIC_PREFIX): |
258 | 0d069390 | Christos Stavrakakis | msg = "Can not process NIC! NIC '%s' does not have a"\
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259 | 0d069390 | Christos Stavrakakis | " valid name." % ganeti_nic
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260 | 0d069390 | Christos Stavrakakis | log.error(msg) |
261 | 0d069390 | Christos Stavrakakis | continue
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262 | 8764d304 | Christos Stavrakakis | ipaddress = None
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263 | 8764d304 | Christos Stavrakakis | network = ganeti_nic["network"]
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264 | 8764d304 | Christos Stavrakakis | ipv4_address = ganeti_nic["ipv4_address"]
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265 | 8764d304 | Christos Stavrakakis | if ipv4_address:
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266 | 8764d304 | Christos Stavrakakis | network.reserve_address(ipv4_address) |
267 | 8764d304 | Christos Stavrakakis | subnet = network.subnets.get(ipversion=4)
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268 | 8764d304 | Christos Stavrakakis | ipaddress = IPAddress.objects.create(address=ipv4_address, |
269 | 8764d304 | Christos Stavrakakis | network=network, |
270 | 8764d304 | Christos Stavrakakis | subnet=subnet, |
271 | 8764d304 | Christos Stavrakakis | userid=vm.userid) |
272 | 8764d304 | Christos Stavrakakis | # TODO
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273 | 8764d304 | Christos Stavrakakis | ganeti_nic.pop("ipv4_address")
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274 | 8764d304 | Christos Stavrakakis | ganeti_nic.pop("ip", None) |
275 | 8764d304 | Christos Stavrakakis | ganeti_nic.pop("ipv6_address")
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276 | 8764d304 | Christos Stavrakakis | nic = vm.nics.create(id=nic_name, **ganeti_nic) |
277 | 8764d304 | Christos Stavrakakis | if ipaddress is not None: |
278 | 8764d304 | Christos Stavrakakis | ipaddress.nic = nic |
279 | 8764d304 | Christos Stavrakakis | ipaddress.save() |
280 | a1baa42b | Christos Stavrakakis | elif not nics_are_equal(db_nic, ganeti_nic): |
281 | a1baa42b | Christos Stavrakakis | # Special case where the IPv4 address has changed, because you
|
282 | a1baa42b | Christos Stavrakakis | # need to release the old IPv4 address and reserve the new one
|
283 | 8764d304 | Christos Stavrakakis | ipv4_address = ganeti_nic["ipv4_address"]
|
284 | 8764d304 | Christos Stavrakakis | if db_nic.ipv4_address != ipv4_address:
|
285 | a1baa42b | Christos Stavrakakis | release_nic_address(db_nic) |
286 | 8764d304 | Christos Stavrakakis | if ipv4_address:
|
287 | 8764d304 | Christos Stavrakakis | network = ganeti_nic["network"]
|
288 | 8764d304 | Christos Stavrakakis | network.reserve_address(ipv4_address) |
289 | 8764d304 | Christos Stavrakakis | subnet = network.subnets.get(ipversion=4)
|
290 | 8764d304 | Christos Stavrakakis | ipaddress, _ =\ |
291 | 8764d304 | Christos Stavrakakis | IPAddress.objects.get_or_create(network=network, |
292 | 8764d304 | Christos Stavrakakis | subnet=subnet, |
293 | 8764d304 | Christos Stavrakakis | userid=vm.userid, |
294 | 8764d304 | Christos Stavrakakis | address=ipv4_address) |
295 | 8764d304 | Christos Stavrakakis | ipaddress.nic = nic |
296 | 8764d304 | Christos Stavrakakis | ipaddress.save() |
297 | 8764d304 | Christos Stavrakakis | |
298 | 8764d304 | Christos Stavrakakis | for f in ["state", "mac", "network", "firewall_profile", "index"]: |
299 | 8764d304 | Christos Stavrakakis | # Update the NIC in DB with the values from Ganeti NIC
|
300 | 8764d304 | Christos Stavrakakis | setattr(db_nic, f, ganeti_nic[f])
|
301 | 8764d304 | Christos Stavrakakis | db_nic.save() |
302 | a1baa42b | Christos Stavrakakis | |
303 | a1baa42b | Christos Stavrakakis | # Dummy update the network, to work with 'changed-since'
|
304 | a1baa42b | Christos Stavrakakis | db_nic.network.save() |
305 | b578d9e7 | Christos Stavrakakis | |
306 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
307 | b578d9e7 | Christos Stavrakakis | vm.save() |
308 | b578d9e7 | Christos Stavrakakis | |
309 | b578d9e7 | Christos Stavrakakis | |
310 | a1baa42b | Christos Stavrakakis | def nics_are_equal(db_nic, gnt_nic): |
311 | a1baa42b | Christos Stavrakakis | for field in NIC_FIELDS: |
312 | a1baa42b | Christos Stavrakakis | if getattr(db_nic, field) != gnt_nic[field]: |
313 | a1baa42b | Christos Stavrakakis | return False |
314 | a1baa42b | Christos Stavrakakis | return True |
315 | a1baa42b | Christos Stavrakakis | |
316 | a1baa42b | Christos Stavrakakis | |
317 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
318 | a1baa42b | Christos Stavrakakis | """Process NIC dict from ganeti"""
|
319 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
320 | a1baa42b | Christos Stavrakakis | for index, gnic in enumerate(ganeti_nics): |
321 | a1baa42b | Christos Stavrakakis | nic_name = gnic.get("name", None) |
322 | a1baa42b | Christos Stavrakakis | if nic_name is not None: |
323 | a1baa42b | Christos Stavrakakis | nic_id = utils.id_from_nic_name(nic_name) |
324 | a1baa42b | Christos Stavrakakis | else:
|
325 | a1baa42b | Christos Stavrakakis | # Put as default value the index. If it is an unknown NIC to
|
326 | a1baa42b | Christos Stavrakakis | # synnefo it will be created automaticaly.
|
327 | 0d069390 | Christos Stavrakakis | nic_id = UNKNOWN_NIC_PREFIX + str(index)
|
328 | a1baa42b | Christos Stavrakakis | network_name = gnic.get('network', '') |
329 | a1baa42b | Christos Stavrakakis | network_id = utils.id_from_network_name(network_name) |
330 | a1baa42b | Christos Stavrakakis | network = Network.objects.get(id=network_id) |
331 | 77f0fa63 | Christos Stavrakakis | |
332 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
|
333 | a1baa42b | Christos Stavrakakis | mac = gnic.get('mac')
|
334 | a1baa42b | Christos Stavrakakis | ipv4 = gnic.get('ip')
|
335 | 8764d304 | Christos Stavrakakis | subnet6 = network.subnet6 |
336 | 8764d304 | Christos Stavrakakis | ipv6 = mac2eui64(mac, subnet6) if subnet6 else None |
337 | 8d325d4b | Christos Stavrakakis | |
338 | a1baa42b | Christos Stavrakakis | firewall = gnic.get('firewall')
|
339 | 8d325d4b | Christos Stavrakakis | firewall_profile = _reverse_tags.get(firewall) |
340 | a1baa42b | Christos Stavrakakis | if not firewall_profile and network.public: |
341 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
342 | 9afeb669 | Kostas Papadimitriou | |
343 | a1baa42b | Christos Stavrakakis | nic_info = { |
344 | a1baa42b | Christos Stavrakakis | 'index': index,
|
345 | a1baa42b | Christos Stavrakakis | 'network': network,
|
346 | cc92b70f | Christos Stavrakakis | 'mac': mac,
|
347 | 8764d304 | Christos Stavrakakis | 'ipv4_address': ipv4,
|
348 | 8764d304 | Christos Stavrakakis | 'ipv6_address': ipv6,
|
349 | 939d71dd | Christos Stavrakakis | 'firewall_profile': firewall_profile,
|
350 | 939d71dd | Christos Stavrakakis | 'state': 'ACTIVE'} |
351 | b578d9e7 | Christos Stavrakakis | |
352 | a1baa42b | Christos Stavrakakis | new_nics.append((nic_id, nic_info)) |
353 | a1baa42b | Christos Stavrakakis | return dict(new_nics) |
354 | a1baa42b | Christos Stavrakakis | |
355 | a1baa42b | Christos Stavrakakis | |
356 | a1baa42b | Christos Stavrakakis | def release_nic_address(nic): |
357 | a1baa42b | Christos Stavrakakis | """Release the IPv4 address of a NIC.
|
358 | a1baa42b | Christos Stavrakakis |
|
359 | a1baa42b | Christos Stavrakakis | Check if an instance's NIC has an IPv4 address and release it if it is not
|
360 | cb7b1c23 | Christos Stavrakakis | a Floating IP. If it is as Floating IP, then disassociate the FloatingIP
|
361 | cb7b1c23 | Christos Stavrakakis | from the machine.
|
362 | a1baa42b | Christos Stavrakakis |
|
363 | a1baa42b | Christos Stavrakakis | """
|
364 | a1baa42b | Christos Stavrakakis | |
365 | 8764d304 | Christos Stavrakakis | for ip in nic.ips.all(): |
366 | 8764d304 | Christos Stavrakakis | if ip.subnet.ipversion == 4: |
367 | 8764d304 | Christos Stavrakakis | if ip.floating_ip:
|
368 | 8764d304 | Christos Stavrakakis | ip.nic = None
|
369 | 8764d304 | Christos Stavrakakis | ip.save() |
370 | 8764d304 | Christos Stavrakakis | else:
|
371 | 8764d304 | Christos Stavrakakis | ip.network.release_address(ip.address) |
372 | 8764d304 | Christos Stavrakakis | ip.delete() |
373 | cb7b1c23 | Christos Stavrakakis | else:
|
374 | 8764d304 | Christos Stavrakakis | ip.delete() |
375 | bd392934 | Christos Stavrakakis | |
376 | bd392934 | Christos Stavrakakis | |
377 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
|
378 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
379 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
380 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
381 | 22ee6892 | Christos Stavrakakis | |
382 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
383 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
384 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
385 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
386 | 22ee6892 | Christos Stavrakakis | |
387 | 05146623 | Christos Stavrakakis | network = back_network.network |
388 | 05146623 | Christos Stavrakakis | |
389 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
|
390 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
391 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
392 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
393 | 22ee6892 | Christos Stavrakakis | |
394 | e6f6627c | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_ADD': |
395 | 5480daec | Christos Stavrakakis | back_network.operstate = 'ERROR'
|
396 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
397 | 22ee6892 | Christos Stavrakakis | |
398 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
399 | 198d91c3 | Christos Stavrakakis | network_is_deleted = (status == "success")
|
400 | 198d91c3 | Christos Stavrakakis | if network_is_deleted or (status == "error" and not |
401 | 198d91c3 | Christos Stavrakakis | network_exists_in_backend(back_network)): |
402 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
403 | e97288bc | Christos Stavrakakis | back_network.deleted = True
|
404 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
405 | 22ee6892 | Christos Stavrakakis | |
406 | e97288bc | Christos Stavrakakis | if status == 'success': |
407 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
408 | 22ee6892 | Christos Stavrakakis | back_network.save() |
409 | 4d5d0b9c | Christos Stavrakakis | # Also you must update the state of the Network!!
|
410 | 05146623 | Christos Stavrakakis | update_network_state(network) |
411 | fd2bdbb2 | Christos Stavrakakis | |
412 | fd2bdbb2 | Christos Stavrakakis | |
413 | 2509ce17 | Christos Stavrakakis | def update_network_state(network): |
414 | 99af08a4 | Christos Stavrakakis | """Update the state of a Network based on BackendNetwork states.
|
415 | cb4eee84 | Christos Stavrakakis |
|
416 | 99af08a4 | Christos Stavrakakis | Update the state of a Network based on the operstate of the networks in the
|
417 | 99af08a4 | Christos Stavrakakis | backends that network exists.
|
418 | 99af08a4 | Christos Stavrakakis |
|
419 | 99af08a4 | Christos Stavrakakis | The state of the network is:
|
420 | 99af08a4 | Christos Stavrakakis | * ACTIVE: If it is 'ACTIVE' in at least one backend.
|
421 | 99af08a4 | Christos Stavrakakis | * DELETED: If it is is 'DELETED' in all backends that have been created.
|
422 | 99af08a4 | Christos Stavrakakis |
|
423 | 99af08a4 | Christos Stavrakakis | This function also releases the resources (MAC prefix or Bridge) and the
|
424 | 99af08a4 | Christos Stavrakakis | quotas for the network.
|
425 | 99af08a4 | Christos Stavrakakis |
|
426 | 99af08a4 | Christos Stavrakakis | """
|
427 | 99af08a4 | Christos Stavrakakis | if network.deleted:
|
428 | 99af08a4 | Christos Stavrakakis | # Network has already been deleted. Just assert that state is also
|
429 | 99af08a4 | Christos Stavrakakis | # DELETED
|
430 | 99af08a4 | Christos Stavrakakis | if not network.state == "DELETED": |
431 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
432 | 99af08a4 | Christos Stavrakakis | network.save() |
433 | cb4eee84 | Christos Stavrakakis | return
|
434 | cb4eee84 | Christos Stavrakakis | |
435 | 99af08a4 | Christos Stavrakakis | backend_states = [s.operstate for s in network.backend_networks.all()] |
436 | 27cda06b | Christos Stavrakakis | if not backend_states and network.action != "DESTROY": |
437 | 99af08a4 | Christos Stavrakakis | if network.state != "ACTIVE": |
438 | 99af08a4 | Christos Stavrakakis | network.state = "ACTIVE"
|
439 | 99af08a4 | Christos Stavrakakis | network.save() |
440 | 99af08a4 | Christos Stavrakakis | return
|
441 | 99af08a4 | Christos Stavrakakis | |
442 | 99af08a4 | Christos Stavrakakis | # Network is deleted when all BackendNetworks go to "DELETED" operstate
|
443 | 27cda06b | Christos Stavrakakis | deleted = reduce(lambda x, y: x == y and "DELETED", backend_states, |
444 | 27cda06b | Christos Stavrakakis | "DELETED")
|
445 | 99af08a4 | Christos Stavrakakis | |
446 | cb4eee84 | Christos Stavrakakis | # Release the resources on the deletion of the Network
|
447 | 99af08a4 | Christos Stavrakakis | if deleted:
|
448 | cb4eee84 | Christos Stavrakakis | log.info("Network %r deleted. Releasing link %r mac_prefix %r",
|
449 | cb4eee84 | Christos Stavrakakis | network.id, network.mac_prefix, network.link) |
450 | cb4eee84 | Christos Stavrakakis | network.deleted = True
|
451 | 99af08a4 | Christos Stavrakakis | network.state = "DELETED"
|
452 | b7d38981 | Dimitris Aragiorgis | if network.mac_prefix:
|
453 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["mac_prefix"] == "pool": |
454 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="mac_prefix",
|
455 | b7d38981 | Dimitris Aragiorgis | value=network.mac_prefix) |
456 | b7d38981 | Dimitris Aragiorgis | if network.link:
|
457 | b7d38981 | Dimitris Aragiorgis | if network.FLAVORS[network.flavor]["link"] == "pool": |
458 | b7d38981 | Dimitris Aragiorgis | release_resource(res_type="bridge", value=network.link)
|
459 | cb4eee84 | Christos Stavrakakis | |
460 | cb4eee84 | Christos Stavrakakis | # Issue commission
|
461 | e18c1749 | Christos Stavrakakis | if network.userid:
|
462 | 2509ce17 | Christos Stavrakakis | quotas.issue_and_accept_commission(network, delete=True)
|
463 | 32a0b855 | Giorgos Korfiatis | # the above has already saved the object and committed;
|
464 | 32a0b855 | Giorgos Korfiatis | # a second save would override others' changes, since the
|
465 | 32a0b855 | Giorgos Korfiatis | # object is now unlocked
|
466 | 32a0b855 | Giorgos Korfiatis | return
|
467 | e18c1749 | Christos Stavrakakis | elif not network.public: |
468 | e18c1749 | Christos Stavrakakis | log.warning("Network %s does not have an owner!", network.id)
|
469 | a96e84cf | Christos Stavrakakis | |
470 | a96e84cf | Christos Stavrakakis | # TODO!!!!!
|
471 | a96e84cf | Christos Stavrakakis | # Set all subnets as deleted
|
472 | a96e84cf | Christos Stavrakakis | network.subnets.update(deleted=True)
|
473 | a96e84cf | Christos Stavrakakis | # And delete the IP pools
|
474 | a96e84cf | Christos Stavrakakis | network.subnets.ip_pools.all().delete() |
475 | cb4eee84 | Christos Stavrakakis | network.save() |
476 | cb4eee84 | Christos Stavrakakis | |
477 | cb4eee84 | Christos Stavrakakis | |
478 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
479 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
480 | e6fbada1 | Christos Stavrakakis | job_fields): |
481 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
482 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
483 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
484 | fd2bdbb2 | Christos Stavrakakis | |
485 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
486 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
487 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
488 | fd2bdbb2 | Christos Stavrakakis | |
489 | e6fbada1 | Christos Stavrakakis | add_reserved_ips = job_fields.get("add_reserved_ips")
|
490 | fc56ae0f | Christos Stavrakakis | if add_reserved_ips:
|
491 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
492 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
493 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
494 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
495 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
496 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
497 | fd2bdbb2 | Christos Stavrakakis | |
498 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
499 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
500 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
501 | ad2d6807 | Vangelis Koukis | |
502 | c25cc9ec | Vangelis Koukis | |
503 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
504 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
505 | 9068cd85 | Georgios Gousios | |
506 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
507 | 9068cd85 | Georgios Gousios | |
508 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
509 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
510 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
511 | af90d919 | Vangelis Koukis | if percentage < 0: |
512 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
513 | 9068cd85 | Georgios Gousios | |
514 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
515 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
516 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
517 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
518 | 9068cd85 | Georgios Gousios | |
519 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
520 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
521 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
522 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
523 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
524 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
525 | c25cc9ec | Vangelis Koukis | #
|
526 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
527 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
528 | 9068cd85 | Georgios Gousios | |
529 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
530 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
531 | 9068cd85 | Georgios Gousios | vm.save() |
532 | ad2d6807 | Vangelis Koukis | |
533 | c25cc9ec | Vangelis Koukis | |
534 | 952b2a48 | Christos Stavrakakis | @transaction.commit_on_success
|
535 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
536 | cc92b70f | Christos Stavrakakis | details=None):
|
537 | 7d43565f | Kostas Papadimitriou | """
|
538 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
539 | 7d43565f | Kostas Papadimitriou |
|
540 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
541 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
542 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
543 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
544 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
545 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
546 | 7d43565f | Kostas Papadimitriou | """
|
547 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
548 | cc92b70f | Christos Stavrakakis | source_date=etime, |
549 | cc92b70f | Christos Stavrakakis | message=message, |
550 | cc92b70f | Christos Stavrakakis | details=details) |
551 | 7d43565f | Kostas Papadimitriou | |
552 | 7d43565f | Kostas Papadimitriou | |
553 | 2c022086 | Christos Stavrakakis | def create_instance(vm, nics, flavor, image): |
554 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
555 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
556 | 7f691719 | Christos Stavrakakis |
|
557 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
558 | 3a9b3cde | Giorgos Verigakis | """
|
559 | 864bed43 | Christos Stavrakakis | |
560 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
561 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
562 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
563 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
564 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
565 | 1c382247 | Vangelis Koukis | #
|
566 | bd87213f | Christos Stavrakakis | kw = vm.backend.get_create_params() |
567 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
568 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
569 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
570 | 296682fe | Kostas Papadimitriou | |
571 | 2a599282 | Christos Stavrakakis | kw['disk_template'] = flavor.disk_template
|
572 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
573 | 006c6249 | Christos Stavrakakis | provider = flavor.disk_provider |
574 | 296682fe | Kostas Papadimitriou | if provider:
|
575 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
576 | b2222a7f | Christos Stavrakakis | kw['disks'][0]['origin'] = flavor.disk_origin |
577 | 296682fe | Kostas Papadimitriou | |
578 | 7c714455 | Christos Stavrakakis | kw['nics'] = [{"name": nic.backend_uuid, |
579 | 7c714455 | Christos Stavrakakis | "network": nic.network.backend_id,
|
580 | 92d2d1ce | Christos Stavrakakis | "ip": nic.ipv4_address}
|
581 | cb66110b | Christos Stavrakakis | for nic in nics] |
582 | cb66110b | Christos Stavrakakis | backend = vm.backend |
583 | cb66110b | Christos Stavrakakis | depend_jobs = [] |
584 | cb66110b | Christos Stavrakakis | for nic in nics: |
585 | 92d2d1ce | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=nic.network_id) |
586 | cb66110b | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
587 | cb66110b | Christos Stavrakakis | network=network) |
588 | cb66110b | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
589 | cb66110b | Christos Stavrakakis | if network.public:
|
590 | 736b9244 | Christos Stavrakakis | msg = "Can not connect instance to network %s. Network is not"\
|
591 | 736b9244 | Christos Stavrakakis | " ACTIVE in backend %s." % (network, backend)
|
592 | 736b9244 | Christos Stavrakakis | raise Exception(msg) |
593 | cb66110b | Christos Stavrakakis | else:
|
594 | 527c7a7b | Christos Stavrakakis | jobs = create_network(network, backend, connect=True)
|
595 | 527c7a7b | Christos Stavrakakis | if isinstance(jobs, list): |
596 | 527c7a7b | Christos Stavrakakis | depend_jobs.extend(jobs) |
597 | 527c7a7b | Christos Stavrakakis | else:
|
598 | 527c7a7b | Christos Stavrakakis | depend_jobs.append(jobs) |
599 | cb66110b | Christos Stavrakakis | kw["depends"] = [[job, ["success", "error", "canceled"]] |
600 | cb66110b | Christos Stavrakakis | for job in depend_jobs] |
601 | cb66110b | Christos Stavrakakis | |
602 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
603 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
604 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
605 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
606 | 79b7dbb7 | Christos Stavrakakis | |
607 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
608 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
609 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
610 | 79b7dbb7 | Christos Stavrakakis | |
611 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
612 | 41303ed0 | Vangelis Koukis | |
613 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
614 | cc92b70f | Christos Stavrakakis | 'auto_balance': True, |
615 | cc92b70f | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
616 | cc92b70f | Christos Stavrakakis | 'memory': flavor.ram}
|
617 | 79b7dbb7 | Christos Stavrakakis | |
618 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
619 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
620 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
621 | 2a599282 | Christos Stavrakakis | 'img_id': image['backend_id'], |
622 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
623 | d1eaa651 | Christos Stavrakakis | |
624 | e9d59f5e | Christos Stavrakakis | # Use opportunistic locking
|
625 | e9d59f5e | Christos Stavrakakis | kw['opportunistic_locking'] = True |
626 | e9d59f5e | Christos Stavrakakis | |
627 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
628 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
629 | 79b7dbb7 | Christos Stavrakakis | |
630 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
631 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
632 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
633 | f533f224 | Vangelis Koukis | |
634 | 529178b1 | Giorgos Verigakis | |
635 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
636 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
637 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
638 | 529178b1 | Giorgos Verigakis | |
639 | ad2d6807 | Vangelis Koukis | |
640 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
641 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
642 | bbae3e45 | Christos Stavrakakis | kwargs = {"instance": vm.backend_vm_id,
|
643 | bbae3e45 | Christos Stavrakakis | "reboot_type": "hard"} |
644 | bbae3e45 | Christos Stavrakakis | # XXX: Currently shutdown_timeout parameter is not supported from the
|
645 | bbae3e45 | Christos Stavrakakis | # Ganeti RAPI. Until supported, we will fallback for both reboot types
|
646 | bbae3e45 | Christos Stavrakakis | # to the default shutdown timeout of Ganeti (120s). Note that reboot
|
647 | bbae3e45 | Christos Stavrakakis | # type of Ganeti job must be always hard. The 'soft' and 'hard' type
|
648 | bbae3e45 | Christos Stavrakakis | # of OS API is different from the one in Ganeti, and maps to
|
649 | bbae3e45 | Christos Stavrakakis | # 'shutdown_timeout'.
|
650 | bbae3e45 | Christos Stavrakakis | #if reboot_type == "hard":
|
651 | bbae3e45 | Christos Stavrakakis | # kwargs["shutdown_timeout"] = 0
|
652 | bbae3e45 | Christos Stavrakakis | if settings.TEST:
|
653 | bbae3e45 | Christos Stavrakakis | kwargs["dry_run"] = True |
654 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
655 | bbae3e45 | Christos Stavrakakis | return client.RebootInstance(**kwargs)
|
656 | 529178b1 | Giorgos Verigakis | |
657 | ad2d6807 | Vangelis Koukis | |
658 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
659 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
660 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
661 | 529178b1 | Giorgos Verigakis | |
662 | ad2d6807 | Vangelis Koukis | |
663 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
664 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
665 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
666 | 529178b1 | Giorgos Verigakis | |
667 | ad2d6807 | Vangelis Koukis | |
668 | 2cd3f389 | Christos Stavrakakis | def resize_instance(vm, vcpus, memory): |
669 | 2cd3f389 | Christos Stavrakakis | beparams = {"vcpus": int(vcpus), |
670 | 2cd3f389 | Christos Stavrakakis | "minmem": int(memory), |
671 | 2cd3f389 | Christos Stavrakakis | "maxmem": int(memory)} |
672 | 2cd3f389 | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
673 | 2cd3f389 | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, beparams=beparams)
|
674 | 2cd3f389 | Christos Stavrakakis | |
675 | 2cd3f389 | Christos Stavrakakis | |
676 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
677 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
678 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
679 | 71099804 | Vangelis Koukis | # useless (see #783).
|
680 | 71099804 | Vangelis Koukis | #
|
681 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
682 | 71099804 | Vangelis Koukis | # directly.
|
683 | 9afeb669 | Kostas Papadimitriou | #
|
684 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
685 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
686 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
687 | 71099804 | Vangelis Koukis | #
|
688 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
689 | bf5c82dc | Christos Stavrakakis | |
690 | 71099804 | Vangelis Koukis | console = {} |
691 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
692 | 3524241a | Christos Stavrakakis | |
693 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
694 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
695 | 3524241a | Christos Stavrakakis | |
696 | bd87213f | Christos Stavrakakis | if vm.backend.hypervisor == "kvm" and i['hvparams']['serial_console']: |
697 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
698 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
699 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
700 | 9afeb669 | Kostas Papadimitriou | |
701 | 71099804 | Vangelis Koukis | return console
|
702 | 604b2bf8 | Georgios Gousios | |
703 | 604b2bf8 | Georgios Gousios | |
704 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
705 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
706 | 198d91c3 | Christos Stavrakakis | return client.GetInstance(vm.backend_vm_id)
|
707 | 198d91c3 | Christos Stavrakakis | |
708 | 198d91c3 | Christos Stavrakakis | |
709 | 198d91c3 | Christos Stavrakakis | def vm_exists_in_backend(vm): |
710 | 198d91c3 | Christos Stavrakakis | try:
|
711 | 198d91c3 | Christos Stavrakakis | get_instance_info(vm) |
712 | 198d91c3 | Christos Stavrakakis | return True |
713 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
714 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
715 | 198d91c3 | Christos Stavrakakis | return False |
716 | 198d91c3 | Christos Stavrakakis | raise e
|
717 | 198d91c3 | Christos Stavrakakis | |
718 | 198d91c3 | Christos Stavrakakis | |
719 | 198d91c3 | Christos Stavrakakis | def get_network_info(backend_network): |
720 | 198d91c3 | Christos Stavrakakis | with pooled_rapi_client(backend_network) as client: |
721 | 198d91c3 | Christos Stavrakakis | return client.GetNetwork(backend_network.network.backend_id)
|
722 | 198d91c3 | Christos Stavrakakis | |
723 | 198d91c3 | Christos Stavrakakis | |
724 | 198d91c3 | Christos Stavrakakis | def network_exists_in_backend(backend_network): |
725 | 198d91c3 | Christos Stavrakakis | try:
|
726 | 198d91c3 | Christos Stavrakakis | get_network_info(backend_network) |
727 | 198d91c3 | Christos Stavrakakis | return True |
728 | 198d91c3 | Christos Stavrakakis | except GanetiApiError as e: |
729 | 198d91c3 | Christos Stavrakakis | if e.code == 404: |
730 | 198d91c3 | Christos Stavrakakis | return False |
731 | f533f224 | Vangelis Koukis | |
732 | c25cc9ec | Vangelis Koukis | |
733 | 99af08a4 | Christos Stavrakakis | def create_network(network, backend, connect=True): |
734 | 99af08a4 | Christos Stavrakakis | """Create a network in a Ganeti backend"""
|
735 | 99af08a4 | Christos Stavrakakis | log.debug("Creating network %s in backend %s", network, backend)
|
736 | 64938cb0 | Giorgos Verigakis | |
737 | 99af08a4 | Christos Stavrakakis | job_id = _create_network(network, backend) |
738 | c25cc9ec | Vangelis Koukis | |
739 | 99af08a4 | Christos Stavrakakis | if connect:
|
740 | 99af08a4 | Christos Stavrakakis | job_ids = connect_network(network, backend, depends=[job_id]) |
741 | 99af08a4 | Christos Stavrakakis | return job_ids
|
742 | 99af08a4 | Christos Stavrakakis | else:
|
743 | 99af08a4 | Christos Stavrakakis | return [job_id]
|
744 | 37ca953f | Christodoulos Psaltis | |
745 | 64938cb0 | Giorgos Verigakis | |
746 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
747 | 3524241a | Christos Stavrakakis | """Create a network."""
|
748 | c25cc9ec | Vangelis Koukis | |
749 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
750 | 92d2d1ce | Christos Stavrakakis | subnet = None
|
751 | 92d2d1ce | Christos Stavrakakis | subnet6 = None
|
752 | 92d2d1ce | Christos Stavrakakis | gateway = None
|
753 | 92d2d1ce | Christos Stavrakakis | gateway6 = None
|
754 | 8764d304 | Christos Stavrakakis | for dbsubnet in network.subnets.all(): |
755 | 8764d304 | Christos Stavrakakis | if dbsubnet.ipversion == 4: |
756 | 8764d304 | Christos Stavrakakis | if dbsubnet.dhcp:
|
757 | 92d2d1ce | Christos Stavrakakis | tags.append('nfdhcpd')
|
758 | 8764d304 | Christos Stavrakakis | subnet = dbsubnet.cidr |
759 | 8764d304 | Christos Stavrakakis | gateway = dbsubnet.gateway |
760 | 8764d304 | Christos Stavrakakis | elif dbsubnet.ipversion == 6: |
761 | 8764d304 | Christos Stavrakakis | subnet6 = dbsubnet.cidr |
762 | 8764d304 | Christos Stavrakakis | gateway6 = dbsubnet.gateway |
763 | 2d762302 | Dimitris Aragiorgis | |
764 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
765 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
766 | 700b85be | Dimitris Aragiorgis | tags.append('public')
|
767 | 2d762302 | Dimitris Aragiorgis | else:
|
768 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
769 | 700b85be | Dimitris Aragiorgis | tags.append('private')
|
770 | 22ee6892 | Christos Stavrakakis | |
771 | 5aeb4e93 | Christos Stavrakakis | # Use a dummy network subnet for IPv6 only networks. Currently Ganeti does
|
772 | 5aeb4e93 | Christos Stavrakakis | # not support IPv6 only networks. To bypass this limitation, we create the
|
773 | 5aeb4e93 | Christos Stavrakakis | # network with a dummy network subnet, and make Cyclades connect instances
|
774 | 5aeb4e93 | Christos Stavrakakis | # to such networks, with address=None.
|
775 | 5aeb4e93 | Christos Stavrakakis | if subnet is None: |
776 | 5aeb4e93 | Christos Stavrakakis | subnet = "10.0.0.0/24"
|
777 | 5aeb4e93 | Christos Stavrakakis | |
778 | 3524241a | Christos Stavrakakis | try:
|
779 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
780 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
781 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
782 | cc92b70f | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'" |
783 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
784 | 3524241a | Christos Stavrakakis | |
785 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
786 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
787 | 5aeb4e93 | Christos Stavrakakis | network=subnet, |
788 | 92d2d1ce | Christos Stavrakakis | network6=subnet6, |
789 | 92d2d1ce | Christos Stavrakakis | gateway=gateway, |
790 | 92d2d1ce | Christos Stavrakakis | gateway6=gateway6, |
791 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
792 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
793 | 3524241a | Christos Stavrakakis | tags=tags) |
794 | 3524241a | Christos Stavrakakis | |
795 | 3524241a | Christos Stavrakakis | |
796 | 99af08a4 | Christos Stavrakakis | def connect_network(network, backend, depends=[], group=None): |
797 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
798 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
799 | bf5c82dc | Christos Stavrakakis | |
800 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
801 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
802 | 2d762302 | Dimitris Aragiorgis | else:
|
803 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
804 | 2d762302 | Dimitris Aragiorgis | |
805 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
806 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
807 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
808 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
809 | 99af08a4 | Christos Stavrakakis | for group in groups: |
810 | 99af08a4 | Christos Stavrakakis | job_id = client.ConnectNetwork(network.backend_id, group, |
811 | 99af08a4 | Christos Stavrakakis | network.mode, network.link, |
812 | 99af08a4 | Christos Stavrakakis | conflicts_check, |
813 | 99af08a4 | Christos Stavrakakis | depends=depends) |
814 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
815 | 99af08a4 | Christos Stavrakakis | return job_ids
|
816 | 22ee6892 | Christos Stavrakakis | |
817 | 22ee6892 | Christos Stavrakakis | |
818 | 99af08a4 | Christos Stavrakakis | def delete_network(network, backend, disconnect=True): |
819 | 99af08a4 | Christos Stavrakakis | log.debug("Deleting network %s from backend %s", network, backend)
|
820 | 22ee6892 | Christos Stavrakakis | |
821 | 99af08a4 | Christos Stavrakakis | depends = [] |
822 | 99af08a4 | Christos Stavrakakis | if disconnect:
|
823 | 99af08a4 | Christos Stavrakakis | depends = disconnect_network(network, backend) |
824 | 99af08a4 | Christos Stavrakakis | _delete_network(network, backend, depends=depends) |
825 | bf5c82dc | Christos Stavrakakis | |
826 | 22ee6892 | Christos Stavrakakis | |
827 | 99af08a4 | Christos Stavrakakis | def _delete_network(network, backend, depends=[]): |
828 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depends] |
829 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
830 | 99af08a4 | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depends)
|
831 | 22ee6892 | Christos Stavrakakis | |
832 | 22ee6892 | Christos Stavrakakis | |
833 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
834 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
835 | 22ee6892 | Christos Stavrakakis | |
836 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
837 | 99af08a4 | Christos Stavrakakis | groups = [group] if group is not None else client.GetGroups() |
838 | 99af08a4 | Christos Stavrakakis | job_ids = [] |
839 | 99af08a4 | Christos Stavrakakis | for group in groups: |
840 | 99af08a4 | Christos Stavrakakis | job_id = client.DisconnectNetwork(network.backend_id, group) |
841 | 99af08a4 | Christos Stavrakakis | job_ids.append(job_id) |
842 | 99af08a4 | Christos Stavrakakis | return job_ids
|
843 | 36f4cb29 | Christos Stavrakakis | |
844 | 36f4cb29 | Christos Stavrakakis | |
845 | 2a2b01e5 | Christos Stavrakakis | def connect_to_network(vm, nic): |
846 | 2a2b01e5 | Christos Stavrakakis | network = nic.network |
847 | 99af08a4 | Christos Stavrakakis | backend = vm.backend |
848 | acfc71ef | Christos Stavrakakis | network = Network.objects.select_for_update().get(id=network.id) |
849 | 99af08a4 | Christos Stavrakakis | bnet, created = BackendNetwork.objects.get_or_create(backend=backend, |
850 | 99af08a4 | Christos Stavrakakis | network=network) |
851 | 99af08a4 | Christos Stavrakakis | depend_jobs = [] |
852 | 99af08a4 | Christos Stavrakakis | if bnet.operstate != "ACTIVE": |
853 | 99af08a4 | Christos Stavrakakis | depend_jobs = create_network(network, backend, connect=True)
|
854 | 99af08a4 | Christos Stavrakakis | |
855 | 99af08a4 | Christos Stavrakakis | depends = [[job, ["success", "error", "canceled"]] for job in depend_jobs] |
856 | 99af08a4 | Christos Stavrakakis | |
857 | 7c714455 | Christos Stavrakakis | nic = {'name': nic.backend_uuid,
|
858 | 7c714455 | Christos Stavrakakis | 'network': network.backend_id,
|
859 | 8764d304 | Christos Stavrakakis | 'ip': nic.ipv4_address}
|
860 | 22ee6892 | Christos Stavrakakis | |
861 | 7c714455 | Christos Stavrakakis | log.debug("Adding NIC %s to VM %s", nic, vm)
|
862 | 22ee6892 | Christos Stavrakakis | |
863 | 6488097c | Christos Stavrakakis | kwargs = { |
864 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
865 | 1d74f135 | Dimitris Aragiorgis | "nics": [("add", "-1", nic)], |
866 | 6488097c | Christos Stavrakakis | "depends": depends,
|
867 | 6488097c | Christos Stavrakakis | } |
868 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
869 | 6488097c | Christos Stavrakakis | kwargs["hotplug"] = True |
870 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
871 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
872 | 6488097c | Christos Stavrakakis | |
873 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
874 | 6488097c | Christos Stavrakakis | return client.ModifyInstance(**kwargs)
|
875 | 22ee6892 | Christos Stavrakakis | |
876 | 22ee6892 | Christos Stavrakakis | |
877 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
878 | 7c714455 | Christos Stavrakakis | log.debug("Removing NIC %s of VM %s", nic, vm)
|
879 | 22ee6892 | Christos Stavrakakis | |
880 | 6488097c | Christos Stavrakakis | kwargs = { |
881 | 6488097c | Christos Stavrakakis | "instance": vm.backend_vm_id,
|
882 | cd7ed999 | Christos Stavrakakis | "nics": [("remove", nic.backend_uuid, {})], |
883 | 6488097c | Christos Stavrakakis | } |
884 | 6488097c | Christos Stavrakakis | if vm.backend.use_hotplug():
|
885 | 6488097c | Christos Stavrakakis | kwargs["hotplug"] = True |
886 | 6488097c | Christos Stavrakakis | if settings.TEST:
|
887 | 6488097c | Christos Stavrakakis | kwargs["dry_run"] = True |
888 | 6488097c | Christos Stavrakakis | |
889 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
890 | 6488097c | Christos Stavrakakis | jobID = client.ModifyInstance(**kwargs) |
891 | 27435d42 | Christos Stavrakakis | firewall_profile = nic.firewall_profile |
892 | 231b0fb6 | Christos Stavrakakis | if firewall_profile and firewall_profile != "DISABLED": |
893 | d0545590 | Christos Stavrakakis | tag = _firewall_tags[firewall_profile] % nic.backend_uuid |
894 | 27435d42 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [tag], |
895 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
896 | 27435d42 | Christos Stavrakakis | |
897 | 27435d42 | Christos Stavrakakis | return jobID
|
898 | 91826390 | Giorgos Verigakis | |
899 | c25cc9ec | Vangelis Koukis | |
900 | d0545590 | Christos Stavrakakis | def set_firewall_profile(vm, profile, nic): |
901 | d0545590 | Christos Stavrakakis | uuid = nic.backend_uuid |
902 | 26563957 | Giorgos Verigakis | try:
|
903 | d0545590 | Christos Stavrakakis | tag = _firewall_tags[profile] % uuid |
904 | 26563957 | Giorgos Verigakis | except KeyError: |
905 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
906 | 37ca953f | Christodoulos Psaltis | |
907 | d0545590 | Christos Stavrakakis | log.debug("Setting tag of VM %s, NIC %s, to %s", vm, nic, profile)
|
908 | bf5c82dc | Christos Stavrakakis | |
909 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
910 | b2791a77 | Christos Stavrakakis | # Delete previous firewall tags
|
911 | b2791a77 | Christos Stavrakakis | old_tags = client.GetInstanceTags(vm.backend_vm_id) |
912 | d0545590 | Christos Stavrakakis | delete_tags = [(t % uuid) for t in _firewall_tags.values() |
913 | d0545590 | Christos Stavrakakis | if (t % uuid) in old_tags] |
914 | b2791a77 | Christos Stavrakakis | if delete_tags:
|
915 | b2791a77 | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, delete_tags, |
916 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
917 | 37ca953f | Christodoulos Psaltis | |
918 | 27435d42 | Christos Stavrakakis | if profile != "DISABLED": |
919 | 27435d42 | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], |
920 | 27435d42 | Christos Stavrakakis | dry_run=settings.TEST) |
921 | 9afeb669 | Kostas Papadimitriou | |
922 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
923 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
924 | cc92b70f | Christos Stavrakakis | os_name = settings.GANETI_CREATEINSTANCE_KWARGS['os']
|
925 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
926 | cc92b70f | Christos Stavrakakis | os_name=os_name) |
927 | 41a7fae7 | Christos Stavrakakis | return None |
928 | 5eedb0e4 | Vangelis Koukis | |
929 | 41303ed0 | Vangelis Koukis | |
930 | e77a29ab | Christos Stavrakakis | def get_instances(backend, bulk=True): |
931 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
932 | e77a29ab | Christos Stavrakakis | return c.GetInstances(bulk=bulk)
|
933 | d986cb32 | Christos Stavrakakis | |
934 | f5b4f2a3 | Christos Stavrakakis | |
935 | e77a29ab | Christos Stavrakakis | def get_nodes(backend, bulk=True): |
936 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
937 | e77a29ab | Christos Stavrakakis | return c.GetNodes(bulk=bulk)
|
938 | 1a894bfe | Christos Stavrakakis | |
939 | 1a894bfe | Christos Stavrakakis | |
940 | 70a0afab | Christos Stavrakakis | def get_jobs(backend, bulk=True): |
941 | e77a29ab | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
942 | 70a0afab | Christos Stavrakakis | return c.GetJobs(bulk=bulk)
|
943 | f5b4f2a3 | Christos Stavrakakis | |
944 | 17852fe9 | Giorgos Verigakis | |
945 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
946 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
947 | 1a894bfe | Christos Stavrakakis |
|
948 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
949 | 41303ed0 | Vangelis Koukis |
|
950 | 1a894bfe | Christos Stavrakakis | """
|
951 | e77a29ab | Christos Stavrakakis | nodes = get_nodes(backend, bulk=True)
|
952 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
953 | 1a894bfe | Christos Stavrakakis | res = {} |
954 | 1a894bfe | Christos Stavrakakis | for a in attr: |
955 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
956 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
957 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
958 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
959 | cc92b70f | Christos Stavrakakis | can_host_vms = n['vm_capable'] and not (n['drained'] or n['offline']) |
960 | cc92b70f | Christos Stavrakakis | if can_host_vms and n['cnodes']: |
961 | 1a894bfe | Christos Stavrakakis | for a in attr: |
962 | 121b8921 | Christos Stavrakakis | res[a] += int(n[a] or 0) |
963 | 1a894bfe | Christos Stavrakakis | return res
|
964 | 1a894bfe | Christos Stavrakakis | |
965 | 1a894bfe | Christos Stavrakakis | |
966 | 1da50fe3 | Christos Stavrakakis | def update_backend_resources(backend, resources=None): |
967 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
968 | 1a894bfe | Christos Stavrakakis |
|
969 | 1a894bfe | Christos Stavrakakis | """
|
970 | 17852fe9 | Giorgos Verigakis | |
971 | 1a894bfe | Christos Stavrakakis | if not resources: |
972 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
973 | 41303ed0 | Vangelis Koukis | |
974 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
975 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
976 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
977 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
978 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
979 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
980 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
981 | 1a894bfe | Christos Stavrakakis | backend.save() |
982 | 1a894bfe | Christos Stavrakakis | |
983 | 1a894bfe | Christos Stavrakakis | |
984 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
985 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
986 | 1a894bfe | Christos Stavrakakis |
|
987 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
988 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
989 | 1a894bfe | Christos Stavrakakis |
|
990 | 1a894bfe | Christos Stavrakakis | """
|
991 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
992 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
993 | 1a894bfe | Christos Stavrakakis | mem = 0
|
994 | 1a894bfe | Christos Stavrakakis | for i in instances: |
995 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
996 | 1a894bfe | Christos Stavrakakis | return mem
|
997 | b3d28af2 | Christos Stavrakakis | |
998 | 1da50fe3 | Christos Stavrakakis | |
999 | 1da50fe3 | Christos Stavrakakis | def get_available_disk_templates(backend): |
1000 | 1da50fe3 | Christos Stavrakakis | """Get the list of available disk templates of a Ganeti backend.
|
1001 | 1da50fe3 | Christos Stavrakakis |
|
1002 | 1da50fe3 | Christos Stavrakakis | The list contains the disk templates that are enabled in the Ganeti backend
|
1003 | 1da50fe3 | Christos Stavrakakis | and also included in ipolicy-disk-templates.
|
1004 | 1da50fe3 | Christos Stavrakakis |
|
1005 | 1da50fe3 | Christos Stavrakakis | """
|
1006 | 1da50fe3 | Christos Stavrakakis | with pooled_rapi_client(backend) as c: |
1007 | 1da50fe3 | Christos Stavrakakis | info = c.GetInfo() |
1008 | 1da50fe3 | Christos Stavrakakis | ipolicy_disk_templates = info["ipolicy"]["disk-templates"] |
1009 | a8ae6989 | Christos Stavrakakis | try:
|
1010 | a8ae6989 | Christos Stavrakakis | enabled_disk_templates = info["enabled_disk_templates"]
|
1011 | a8ae6989 | Christos Stavrakakis | return [dp for dp in enabled_disk_templates |
1012 | a8ae6989 | Christos Stavrakakis | if dp in ipolicy_disk_templates] |
1013 | a8ae6989 | Christos Stavrakakis | except KeyError: |
1014 | a8ae6989 | Christos Stavrakakis | # Ganeti < 2.8 does not have 'enabled_disk_templates'
|
1015 | a8ae6989 | Christos Stavrakakis | return ipolicy_disk_templates
|
1016 | 1da50fe3 | Christos Stavrakakis | |
1017 | 1da50fe3 | Christos Stavrakakis | |
1018 | 1da50fe3 | Christos Stavrakakis | def update_backend_disk_templates(backend): |
1019 | 1da50fe3 | Christos Stavrakakis | disk_templates = get_available_disk_templates(backend) |
1020 | 1da50fe3 | Christos Stavrakakis | backend.disk_templates = disk_templates |
1021 | 1da50fe3 | Christos Stavrakakis | backend.save() |
1022 | 1da50fe3 | Christos Stavrakakis | |
1023 | 1da50fe3 | Christos Stavrakakis | |
1024 | b3d28af2 | Christos Stavrakakis | ##
|
1025 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
1026 | b3d28af2 | Christos Stavrakakis | ##
|
1027 | b3d28af2 | Christos Stavrakakis | |
1028 | b3d28af2 | Christos Stavrakakis | |
1029 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
1030 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
1031 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
1032 | b3d28af2 | Christos Stavrakakis | return result
|
1033 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
1034 | b3d28af2 | Christos Stavrakakis | return result
|
1035 | b3d28af2 | Christos Stavrakakis | |
1036 | b3d28af2 | Christos Stavrakakis | |
1037 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
1038 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
1039 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
1040 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
1041 | 3524241a | Christos Stavrakakis | return result
|
1042 | b3d28af2 | Christos Stavrakakis | |
1043 | b3d28af2 | Christos Stavrakakis | |
1044 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
1045 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
1046 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
1047 | b7d38981 | Dimitris Aragiorgis | job = client.ConnectNetwork(network.backend_id, group, |
1048 | b7d38981 | Dimitris Aragiorgis | network.mode, network.link) |
1049 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
1050 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
1051 | 3524241a | Christos Stavrakakis | return result
|
1052 | b3d28af2 | Christos Stavrakakis | |
1053 | b3d28af2 | Christos Stavrakakis | return result
|
1054 | b3d28af2 | Christos Stavrakakis | |
1055 | b3d28af2 | Christos Stavrakakis | |
1056 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
1057 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
1058 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
1059 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
1060 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
1061 | cc92b70f | Christos Stavrakakis | [result], None)
|
1062 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
1063 | b3d28af2 | Christos Stavrakakis | |
1064 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
1065 | b3d28af2 | Christos Stavrakakis | return (status, None) |
1066 | b3d28af2 | Christos Stavrakakis | else:
|
1067 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
1068 | b3d28af2 | Christos Stavrakakis | return (status, error) |