root / snf-cyclades-app / synnefo / logic / servers.py @ 883c1f94
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1 | 91884d63 | Giorgos Korfiatis | # Copyright 2011, 2012, 2013 GRNET S.A. All rights reserved.
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2 | 91884d63 | Giorgos Korfiatis | #
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3 | 91884d63 | Giorgos Korfiatis | # Redistribution and use in source and binary forms, with or without
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4 | 91884d63 | Giorgos Korfiatis | # modification, are permitted provided that the following conditions
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5 | 91884d63 | Giorgos Korfiatis | # are met:
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6 | 91884d63 | Giorgos Korfiatis | #
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7 | 91884d63 | Giorgos Korfiatis | # 1. Redistributions of source code must retain the above copyright
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8 | 91884d63 | Giorgos Korfiatis | # notice, this list of conditions and the following disclaimer.
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9 | 91884d63 | Giorgos Korfiatis | #
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10 | 91884d63 | Giorgos Korfiatis | # 2. Redistributions in binary form must reproduce the above copyright
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11 | 91884d63 | Giorgos Korfiatis | # notice, this list of conditions and the following disclaimer in the
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12 | 91884d63 | Giorgos Korfiatis | # documentation and/or other materials provided with the distribution.
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13 | 91884d63 | Giorgos Korfiatis | #
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14 | 91884d63 | Giorgos Korfiatis | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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15 | 91884d63 | Giorgos Korfiatis | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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16 | 91884d63 | Giorgos Korfiatis | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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17 | 91884d63 | Giorgos Korfiatis | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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18 | 91884d63 | Giorgos Korfiatis | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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19 | 91884d63 | Giorgos Korfiatis | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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20 | 91884d63 | Giorgos Korfiatis | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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21 | 91884d63 | Giorgos Korfiatis | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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22 | 91884d63 | Giorgos Korfiatis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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23 | 91884d63 | Giorgos Korfiatis | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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24 | 91884d63 | Giorgos Korfiatis | # SUCH DAMAGE.
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25 | 91884d63 | Giorgos Korfiatis | #
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26 | 91884d63 | Giorgos Korfiatis | # The views and conclusions contained in the software and documentation are
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27 | 91884d63 | Giorgos Korfiatis | # those of the authors and should not be interpreted as representing official
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28 | 91884d63 | Giorgos Korfiatis | # policies, either expressed or implied, of GRNET S.A.
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29 | 91884d63 | Giorgos Korfiatis | |
30 | 41a7fae7 | Christos Stavrakakis | import logging |
31 | 41a7fae7 | Christos Stavrakakis | |
32 | 41a7fae7 | Christos Stavrakakis | from socket import getfqdn |
33 | 41a7fae7 | Christos Stavrakakis | from functools import wraps |
34 | 41a7fae7 | Christos Stavrakakis | from django import dispatch |
35 | 41a7fae7 | Christos Stavrakakis | from django.db import transaction |
36 | 41a7fae7 | Christos Stavrakakis | from django.utils import simplejson as json |
37 | 41a7fae7 | Christos Stavrakakis | |
38 | 41a7fae7 | Christos Stavrakakis | from snf_django.lib.api import faults |
39 | 0c09b1c0 | Christos Stavrakakis | from django.conf import settings |
40 | 41a7fae7 | Christos Stavrakakis | from synnefo import quotas |
41 | 41a7fae7 | Christos Stavrakakis | from synnefo.api import util |
42 | ba6ad346 | Dionysis Grigoropoulos | from synnefo.logic import backend, ips, utils |
43 | 41a7fae7 | Christos Stavrakakis | from synnefo.logic.backend_allocator import BackendAllocator |
44 | 710b1c43 | Christos Stavrakakis | from synnefo.db.models import (NetworkInterface, VirtualMachine, |
45 | 3aecadc8 | Christos Stavrakakis | VirtualMachineMetadata, IPAddressLog, Network) |
46 | 41a7fae7 | Christos Stavrakakis | from vncauthproxy.client import request_forwarding as request_vnc_forwarding |
47 | af1832fe | Christos Stavrakakis | from synnefo.logic import rapi |
48 | 41a7fae7 | Christos Stavrakakis | |
49 | 41a7fae7 | Christos Stavrakakis | log = logging.getLogger(__name__) |
50 | 41a7fae7 | Christos Stavrakakis | |
51 | 41a7fae7 | Christos Stavrakakis | # server creation signal
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52 | 41a7fae7 | Christos Stavrakakis | server_created = dispatch.Signal(providing_args=["created_vm_params"])
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53 | 41a7fae7 | Christos Stavrakakis | |
54 | 41a7fae7 | Christos Stavrakakis | |
55 | 41a7fae7 | Christos Stavrakakis | def validate_server_action(vm, action): |
56 | 41a7fae7 | Christos Stavrakakis | if vm.deleted:
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57 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' has been deleted." % vm.id) |
58 | 41a7fae7 | Christos Stavrakakis | |
59 | 41a7fae7 | Christos Stavrakakis | # Destroyin a server should always be permitted
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60 | 41a7fae7 | Christos Stavrakakis | if action == "DESTROY": |
61 | 41a7fae7 | Christos Stavrakakis | return
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62 | 41a7fae7 | Christos Stavrakakis | |
63 | 41a7fae7 | Christos Stavrakakis | # Check that there is no pending action
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64 | 41a7fae7 | Christos Stavrakakis | pending_action = vm.task |
65 | 41a7fae7 | Christos Stavrakakis | if pending_action:
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66 | 41a7fae7 | Christos Stavrakakis | if pending_action == "BUILD": |
67 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
68 | 8d5795b4 | Christos Stavrakakis | raise faults.BadRequest("Cannot perform '%s' action while there is a" |
69 | 41a7fae7 | Christos Stavrakakis | " pending '%s'." % (action, pending_action))
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70 | 41a7fae7 | Christos Stavrakakis | |
71 | 41a7fae7 | Christos Stavrakakis | # Check if action can be performed to VM's operstate
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72 | 41a7fae7 | Christos Stavrakakis | operstate = vm.operstate |
73 | ee688a71 | Christos Stavrakakis | if operstate == "ERROR": |
74 | 8d5795b4 | Christos Stavrakakis | raise faults.BadRequest("Cannot perform '%s' action while server is" |
75 | ee688a71 | Christos Stavrakakis | " in 'ERROR' state." % action)
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76 | ee688a71 | Christos Stavrakakis | elif operstate == "BUILD" and action != "BUILD": |
77 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
78 | 9599e997 | Christos Stavrakakis | elif (action == "START" and operstate != "STOPPED") or\ |
79 | 9599e997 | Christos Stavrakakis | (action == "STOP" and operstate != "STARTED") or\ |
80 | 9599e997 | Christos Stavrakakis | (action == "RESIZE" and operstate != "STOPPED") or\ |
81 | 9599e997 | Christos Stavrakakis | (action in ["CONNECT", "DISCONNECT"] and operstate != "STOPPED" |
82 | 9599e997 | Christos Stavrakakis | and not settings.GANETI_USE_HOTPLUG): |
83 | 8d5795b4 | Christos Stavrakakis | raise faults.BadRequest("Cannot perform '%s' action while server is" |
84 | 41a7fae7 | Christos Stavrakakis | " in '%s' state." % (action, operstate))
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85 | 41a7fae7 | Christos Stavrakakis | return
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86 | 41a7fae7 | Christos Stavrakakis | |
87 | 41a7fae7 | Christos Stavrakakis | |
88 | 64bca363 | Giorgos Korfiatis | def server_command(action, action_fields=None): |
89 | 41a7fae7 | Christos Stavrakakis | """Handle execution of a server action.
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90 | 41a7fae7 | Christos Stavrakakis |
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91 | 41a7fae7 | Christos Stavrakakis | Helper function to validate and execute a server action, handle quota
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92 | 41a7fae7 | Christos Stavrakakis | commission and update the 'task' of the VM in the DB.
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93 | 41a7fae7 | Christos Stavrakakis |
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94 | 41a7fae7 | Christos Stavrakakis | 1) Check if action can be performed. If it can, then there must be no
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95 | 41a7fae7 | Christos Stavrakakis | pending task (with the exception of DESTROY).
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96 | 41a7fae7 | Christos Stavrakakis | 2) Handle previous commission if unresolved:
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97 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and it to accept, then accept
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98 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and to reject or is pending then reject it. Since
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99 | 41a7fae7 | Christos Stavrakakis | the action can be performed only if there is no pending task, then there
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100 | 41a7fae7 | Christos Stavrakakis | can be no pending commission. The exception is DESTROY, but in this case
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101 | 41a7fae7 | Christos Stavrakakis | the commission can safely be rejected, and the dispatcher will generate
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102 | 41a7fae7 | Christos Stavrakakis | the correct ones!
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103 | 41a7fae7 | Christos Stavrakakis | 3) Issue new commission and associate it with the VM. Also clear the task.
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104 | 41a7fae7 | Christos Stavrakakis | 4) Send job to ganeti
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105 | 41a7fae7 | Christos Stavrakakis | 5) Update task and commit
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106 | 41a7fae7 | Christos Stavrakakis | """
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107 | 41a7fae7 | Christos Stavrakakis | def decorator(func): |
108 | 41a7fae7 | Christos Stavrakakis | @wraps(func)
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109 | 41a7fae7 | Christos Stavrakakis | @transaction.commit_on_success
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110 | 41a7fae7 | Christos Stavrakakis | def wrapper(vm, *args, **kwargs): |
111 | 41a7fae7 | Christos Stavrakakis | user_id = vm.userid |
112 | 41a7fae7 | Christos Stavrakakis | validate_server_action(vm, action) |
113 | c9fefba3 | Christos Stavrakakis | vm.action = action |
114 | 41a7fae7 | Christos Stavrakakis | |
115 | 5c8076b6 | Christos Stavrakakis | commission_name = "client: api, resource: %s" % vm
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116 | 5c8076b6 | Christos Stavrakakis | quotas.handle_resource_commission(vm, action=action, |
117 | 64bca363 | Giorgos Korfiatis | action_fields=action_fields, |
118 | 5c8076b6 | Christos Stavrakakis | commission_name=commission_name) |
119 | 5c8076b6 | Christos Stavrakakis | vm.save() |
120 | 41a7fae7 | Christos Stavrakakis | |
121 | 562bf712 | Christos Stavrakakis | # XXX: Special case for server creation!
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122 | 562bf712 | Christos Stavrakakis | if action == "BUILD": |
123 | 562bf712 | Christos Stavrakakis | # Perform a commit, because the VirtualMachine must be saved to
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124 | 562bf712 | Christos Stavrakakis | # DB before the OP_INSTANCE_CREATE job in enqueued in Ganeti.
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125 | 562bf712 | Christos Stavrakakis | # Otherwise, messages will arrive from snf-dispatcher about
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126 | 562bf712 | Christos Stavrakakis | # this instance, before the VM is stored in DB.
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127 | 562bf712 | Christos Stavrakakis | transaction.commit() |
128 | 562bf712 | Christos Stavrakakis | # After committing the locks are released. Refetch the instance
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129 | 562bf712 | Christos Stavrakakis | # to guarantee x-lock.
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130 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.select_for_update().get(id=vm.id) |
131 | 562bf712 | Christos Stavrakakis | |
132 | 41a7fae7 | Christos Stavrakakis | # Send the job to Ganeti and get the associated jobID
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133 | 41a7fae7 | Christos Stavrakakis | try:
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134 | 41a7fae7 | Christos Stavrakakis | job_id = func(vm, *args, **kwargs) |
135 | 41a7fae7 | Christos Stavrakakis | except Exception as e: |
136 | 41a7fae7 | Christos Stavrakakis | if vm.serial is not None: |
137 | 41a7fae7 | Christos Stavrakakis | # Since the job never reached Ganeti, reject the commission
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138 | 41a7fae7 | Christos Stavrakakis | log.debug("Rejecting commission: '%s', could not perform"
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139 | 41a7fae7 | Christos Stavrakakis | " action '%s': %s" % (vm.serial, action, e))
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140 | 41a7fae7 | Christos Stavrakakis | transaction.rollback() |
141 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(vm.serial) |
142 | 41a7fae7 | Christos Stavrakakis | transaction.commit() |
143 | 41a7fae7 | Christos Stavrakakis | raise
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144 | 41a7fae7 | Christos Stavrakakis | |
145 | 88fd91af | Christos Stavrakakis | if action == "BUILD" and vm.serial is not None: |
146 | 88fd91af | Christos Stavrakakis | # XXX: Special case for server creation: we must accept the
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147 | 88fd91af | Christos Stavrakakis | # commission because the VM has been stored in DB. Also, if
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148 | 88fd91af | Christos Stavrakakis | # communication with Ganeti fails, the job will never reach
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149 | 88fd91af | Christos Stavrakakis | # Ganeti, and the commission will never be resolved.
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150 | 88fd91af | Christos Stavrakakis | quotas.accept_serial(vm.serial) |
151 | 88fd91af | Christos Stavrakakis | |
152 | 41a7fae7 | Christos Stavrakakis | log.info("user: %s, vm: %s, action: %s, job_id: %s, serial: %s",
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153 | 41a7fae7 | Christos Stavrakakis | user_id, vm.id, action, job_id, vm.serial) |
154 | 41a7fae7 | Christos Stavrakakis | |
155 | 41a7fae7 | Christos Stavrakakis | # store the new task in the VM
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156 | 41a7fae7 | Christos Stavrakakis | if job_id is not None: |
157 | 41a7fae7 | Christos Stavrakakis | vm.task = action |
158 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = job_id |
159 | 41a7fae7 | Christos Stavrakakis | vm.save() |
160 | 41a7fae7 | Christos Stavrakakis | |
161 | 41a7fae7 | Christos Stavrakakis | return vm
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162 | 41a7fae7 | Christos Stavrakakis | return wrapper
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163 | 41a7fae7 | Christos Stavrakakis | return decorator
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164 | 41a7fae7 | Christos Stavrakakis | |
165 | 41a7fae7 | Christos Stavrakakis | |
166 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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167 | 41a7fae7 | Christos Stavrakakis | def create(userid, name, password, flavor, image, metadata={}, |
168 | 3aecadc8 | Christos Stavrakakis | personality=[], networks=None, use_backend=None): |
169 | 41a7fae7 | Christos Stavrakakis | if use_backend is None: |
170 | 562bf712 | Christos Stavrakakis | # Allocate server to a Ganeti backend
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171 | 562bf712 | Christos Stavrakakis | use_backend = allocate_new_server(userid, flavor) |
172 | 41a7fae7 | Christos Stavrakakis | |
173 | ba6ad346 | Dionysis Grigoropoulos | utils.check_name_length(name, VirtualMachine.VIRTUAL_MACHINE_NAME_LENGTH, |
174 | ba6ad346 | Dionysis Grigoropoulos | "Server name is too long")
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175 | ba6ad346 | Dionysis Grigoropoulos | |
176 | 3aecadc8 | Christos Stavrakakis | # Create the ports for the server
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177 | 16a7ced5 | Christos Stavrakakis | ports = create_instance_ports(userid, networks) |
178 | 6193628f | Christos Stavrakakis | |
179 | 41a7fae7 | Christos Stavrakakis | # Fix flavor for archipelago
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180 | 41a7fae7 | Christos Stavrakakis | disk_template, provider = util.get_flavor_provider(flavor) |
181 | 41a7fae7 | Christos Stavrakakis | if provider:
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182 | 41a7fae7 | Christos Stavrakakis | flavor.disk_template = disk_template |
183 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = provider |
184 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = None
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185 | 62232bba | Christos Stavrakakis | if provider in settings.GANETI_CLONE_PROVIDERS: |
186 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = image['checksum']
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187 | 41a7fae7 | Christos Stavrakakis | image['backend_id'] = 'null' |
188 | 41a7fae7 | Christos Stavrakakis | else:
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189 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = None
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190 | 41a7fae7 | Christos Stavrakakis | |
191 | 562bf712 | Christos Stavrakakis | # We must save the VM instance now, so that it gets a valid
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192 | 562bf712 | Christos Stavrakakis | # vm.backend_vm_id.
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193 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.create(name=name, |
194 | 562bf712 | Christos Stavrakakis | backend=use_backend, |
195 | 562bf712 | Christos Stavrakakis | userid=userid, |
196 | 562bf712 | Christos Stavrakakis | imageid=image["id"],
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197 | 562bf712 | Christos Stavrakakis | flavor=flavor, |
198 | 562bf712 | Christos Stavrakakis | operstate="BUILD")
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199 | 562bf712 | Christos Stavrakakis | log.info("Created entry in DB for VM '%s'", vm)
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200 | 562bf712 | Christos Stavrakakis | |
201 | 3aecadc8 | Christos Stavrakakis | # Associate the ports with the server
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202 | 3aecadc8 | Christos Stavrakakis | for index, port in enumerate(ports): |
203 | 3aecadc8 | Christos Stavrakakis | associate_port_with_machine(port, vm) |
204 | 3aecadc8 | Christos Stavrakakis | port.index = index |
205 | 3aecadc8 | Christos Stavrakakis | port.save() |
206 | 562bf712 | Christos Stavrakakis | |
207 | 562bf712 | Christos Stavrakakis | for key, val in metadata.items(): |
208 | 562bf712 | Christos Stavrakakis | VirtualMachineMetadata.objects.create( |
209 | 562bf712 | Christos Stavrakakis | meta_key=key, |
210 | 562bf712 | Christos Stavrakakis | meta_value=val, |
211 | 562bf712 | Christos Stavrakakis | vm=vm) |
212 | 41a7fae7 | Christos Stavrakakis | |
213 | 88fd91af | Christos Stavrakakis | # Create the server in Ganeti.
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214 | 3aecadc8 | Christos Stavrakakis | vm = create_server(vm, ports, flavor, image, personality, password) |
215 | 41a7fae7 | Christos Stavrakakis | |
216 | 41a7fae7 | Christos Stavrakakis | return vm
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217 | 41a7fae7 | Christos Stavrakakis | |
218 | 41a7fae7 | Christos Stavrakakis | |
219 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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220 | 562bf712 | Christos Stavrakakis | def allocate_new_server(userid, flavor): |
221 | 562bf712 | Christos Stavrakakis | """Allocate a new server to a Ganeti backend.
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222 | 562bf712 | Christos Stavrakakis |
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223 | 562bf712 | Christos Stavrakakis | Allocation is performed based on the owner of the server and the specified
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224 | 562bf712 | Christos Stavrakakis | flavor. Also, backends that do not have a public IPv4 address are excluded
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225 | 562bf712 | Christos Stavrakakis | from server allocation.
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226 | 562bf712 | Christos Stavrakakis |
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227 | 562bf712 | Christos Stavrakakis | This function runs inside a transaction, because after allocating the
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228 | 562bf712 | Christos Stavrakakis | instance a commit must be performed in order to release all locks.
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229 | 562bf712 | Christos Stavrakakis |
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230 | 562bf712 | Christos Stavrakakis | """
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231 | 562bf712 | Christos Stavrakakis | backend_allocator = BackendAllocator() |
232 | 562bf712 | Christos Stavrakakis | use_backend = backend_allocator.allocate(userid, flavor) |
233 | 562bf712 | Christos Stavrakakis | if use_backend is None: |
234 | 562bf712 | Christos Stavrakakis | log.error("No available backend for VM with flavor %s", flavor)
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235 | 562bf712 | Christos Stavrakakis | raise faults.ServiceUnavailable("No available backends") |
236 | 562bf712 | Christos Stavrakakis | return use_backend
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237 | 562bf712 | Christos Stavrakakis | |
238 | 562bf712 | Christos Stavrakakis | |
239 | 562bf712 | Christos Stavrakakis | @server_command("BUILD") |
240 | 562bf712 | Christos Stavrakakis | def create_server(vm, nics, flavor, image, personality, password): |
241 | 562bf712 | Christos Stavrakakis | # dispatch server created signal needed to trigger the 'vmapi', which
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242 | 562bf712 | Christos Stavrakakis | # enriches the vm object with the 'config_url' attribute which must be
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243 | 562bf712 | Christos Stavrakakis | # passed to the Ganeti job.
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244 | 562bf712 | Christos Stavrakakis | server_created.send(sender=vm, created_vm_params={ |
245 | 562bf712 | Christos Stavrakakis | 'img_id': image['backend_id'], |
246 | 562bf712 | Christos Stavrakakis | 'img_passwd': password,
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247 | 562bf712 | Christos Stavrakakis | 'img_format': str(image['format']), |
248 | 562bf712 | Christos Stavrakakis | 'img_personality': json.dumps(personality),
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249 | 562bf712 | Christos Stavrakakis | 'img_properties': json.dumps(image['metadata']), |
250 | 562bf712 | Christos Stavrakakis | }) |
251 | 562bf712 | Christos Stavrakakis | # send job to Ganeti
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252 | 88fd91af | Christos Stavrakakis | try:
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253 | 88fd91af | Christos Stavrakakis | jobID = backend.create_instance(vm, nics, flavor, image) |
254 | 88fd91af | Christos Stavrakakis | except:
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255 | 88fd91af | Christos Stavrakakis | log.exception("Failed create instance '%s'", vm)
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256 | 88fd91af | Christos Stavrakakis | jobID = None
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257 | 88fd91af | Christos Stavrakakis | vm.operstate = "ERROR"
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258 | 88fd91af | Christos Stavrakakis | vm.backendlogmsg = "Failed to send job to Ganeti."
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259 | 88fd91af | Christos Stavrakakis | vm.save() |
260 | 88fd91af | Christos Stavrakakis | vm.nics.all().update(state="ERROR")
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261 | 88fd91af | Christos Stavrakakis | |
262 | 562bf712 | Christos Stavrakakis | # At this point the job is enqueued in the Ganeti backend
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263 | 80a548e3 | Christos Stavrakakis | vm.backendopcode = "OP_INSTANCE_CREATE"
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264 | 562bf712 | Christos Stavrakakis | vm.backendjobid = jobID |
265 | 562bf712 | Christos Stavrakakis | vm.save() |
266 | 562bf712 | Christos Stavrakakis | log.info("User %s created VM %s, NICs %s, Backend %s, JobID %s",
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267 | 2fa6faca | Christos Stavrakakis | vm.userid, vm, nics, vm.backend, str(jobID))
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268 | 562bf712 | Christos Stavrakakis | |
269 | 562bf712 | Christos Stavrakakis | return jobID
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270 | 562bf712 | Christos Stavrakakis | |
271 | 562bf712 | Christos Stavrakakis | |
272 | 41a7fae7 | Christos Stavrakakis | @server_command("DESTROY") |
273 | 41a7fae7 | Christos Stavrakakis | def destroy(vm): |
274 | 80a548e3 | Christos Stavrakakis | # XXX: Workaround for race where OP_INSTANCE_REMOVE starts executing on
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275 | 80a548e3 | Christos Stavrakakis | # Ganeti before OP_INSTANCE_CREATE. This will be fixed when
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276 | 80a548e3 | Christos Stavrakakis | # OP_INSTANCE_REMOVE supports the 'depends' request attribute.
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277 | 80a548e3 | Christos Stavrakakis | if (vm.backendopcode == "OP_INSTANCE_CREATE" and |
278 | af1832fe | Christos Stavrakakis | vm.backendjobstatus not in rapi.JOB_STATUS_FINALIZED and |
279 | 80a548e3 | Christos Stavrakakis | backend.job_is_still_running(vm) and
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280 | 80a548e3 | Christos Stavrakakis | not backend.vm_exists_in_backend(vm)):
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281 | 80a548e3 | Christos Stavrakakis | raise faults.BuildInProgress("Server is being build") |
282 | 41a7fae7 | Christos Stavrakakis | log.info("Deleting VM %s", vm)
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283 | 41a7fae7 | Christos Stavrakakis | return backend.delete_instance(vm)
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284 | 41a7fae7 | Christos Stavrakakis | |
285 | 41a7fae7 | Christos Stavrakakis | |
286 | 41a7fae7 | Christos Stavrakakis | @server_command("START") |
287 | 41a7fae7 | Christos Stavrakakis | def start(vm): |
288 | 41a7fae7 | Christos Stavrakakis | log.info("Starting VM %s", vm)
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289 | 41a7fae7 | Christos Stavrakakis | return backend.startup_instance(vm)
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290 | 41a7fae7 | Christos Stavrakakis | |
291 | 41a7fae7 | Christos Stavrakakis | |
292 | 41a7fae7 | Christos Stavrakakis | @server_command("STOP") |
293 | 41a7fae7 | Christos Stavrakakis | def stop(vm): |
294 | 41a7fae7 | Christos Stavrakakis | log.info("Stopping VM %s", vm)
|
295 | 41a7fae7 | Christos Stavrakakis | return backend.shutdown_instance(vm)
|
296 | 41a7fae7 | Christos Stavrakakis | |
297 | 41a7fae7 | Christos Stavrakakis | |
298 | 41a7fae7 | Christos Stavrakakis | @server_command("REBOOT") |
299 | 41a7fae7 | Christos Stavrakakis | def reboot(vm, reboot_type): |
300 | 41a7fae7 | Christos Stavrakakis | if reboot_type not in ("SOFT", "HARD"): |
301 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Malformed request. Invalid reboot" |
302 | 41a7fae7 | Christos Stavrakakis | " type %s" % reboot_type)
|
303 | 41a7fae7 | Christos Stavrakakis | log.info("Rebooting VM %s. Type %s", vm, reboot_type)
|
304 | 41a7fae7 | Christos Stavrakakis | |
305 | 41a7fae7 | Christos Stavrakakis | return backend.reboot_instance(vm, reboot_type.lower())
|
306 | 41a7fae7 | Christos Stavrakakis | |
307 | 41a7fae7 | Christos Stavrakakis | |
308 | 41a7fae7 | Christos Stavrakakis | def resize(vm, flavor): |
309 | 64bca363 | Giorgos Korfiatis | action_fields = {"beparams": {"vcpus": flavor.cpu, |
310 | 64bca363 | Giorgos Korfiatis | "maxmem": flavor.ram}}
|
311 | 64bca363 | Giorgos Korfiatis | comm = server_command("RESIZE", action_fields=action_fields)
|
312 | 64bca363 | Giorgos Korfiatis | return comm(_resize)(vm, flavor)
|
313 | 64bca363 | Giorgos Korfiatis | |
314 | 64bca363 | Giorgos Korfiatis | |
315 | 64bca363 | Giorgos Korfiatis | def _resize(vm, flavor): |
316 | 41a7fae7 | Christos Stavrakakis | old_flavor = vm.flavor |
317 | 41a7fae7 | Christos Stavrakakis | # User requested the same flavor
|
318 | 41a7fae7 | Christos Stavrakakis | if old_flavor.id == flavor.id:
|
319 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' flavor is already '%s'." |
320 | 41a7fae7 | Christos Stavrakakis | % (vm, flavor)) |
321 | 41a7fae7 | Christos Stavrakakis | # Check that resize can be performed
|
322 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk != flavor.disk:
|
323 | 8d5795b4 | Christos Stavrakakis | raise faults.BadRequest("Cannot resize instance disk.") |
324 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk_template != flavor.disk_template:
|
325 | 8d5795b4 | Christos Stavrakakis | raise faults.BadRequest("Cannot change instance disk template.") |
326 | 41a7fae7 | Christos Stavrakakis | |
327 | 41a7fae7 | Christos Stavrakakis | log.info("Resizing VM from flavor '%s' to '%s", old_flavor, flavor)
|
328 | 41a7fae7 | Christos Stavrakakis | return backend.resize_instance(vm, vcpus=flavor.cpu, memory=flavor.ram)
|
329 | 41a7fae7 | Christos Stavrakakis | |
330 | 41a7fae7 | Christos Stavrakakis | |
331 | 41a7fae7 | Christos Stavrakakis | @server_command("SET_FIREWALL_PROFILE") |
332 | d0545590 | Christos Stavrakakis | def set_firewall_profile(vm, profile, nic): |
333 | d0545590 | Christos Stavrakakis | log.info("Setting VM %s, NIC %s, firewall %s", vm, nic, profile)
|
334 | 41a7fae7 | Christos Stavrakakis | |
335 | 41a7fae7 | Christos Stavrakakis | if profile not in [x[0] for x in NetworkInterface.FIREWALL_PROFILES]: |
336 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Unsupported firewall profile") |
337 | d0545590 | Christos Stavrakakis | backend.set_firewall_profile(vm, profile=profile, nic=nic) |
338 | 41a7fae7 | Christos Stavrakakis | return None |
339 | 41a7fae7 | Christos Stavrakakis | |
340 | 41a7fae7 | Christos Stavrakakis | |
341 | 41a7fae7 | Christos Stavrakakis | @server_command("CONNECT") |
342 | 6b8dc47c | Christos Stavrakakis | def connect(vm, network, port=None): |
343 | 6b8dc47c | Christos Stavrakakis | if port is None: |
344 | fae6e5f0 | Christos Stavrakakis | port = _create_port(vm.userid, network) |
345 | fae6e5f0 | Christos Stavrakakis | associate_port_with_machine(port, vm) |
346 | 41a7fae7 | Christos Stavrakakis | |
347 | fae6e5f0 | Christos Stavrakakis | log.info("Creating NIC %s with IPv4 Address %s", port, port.ipv4_address)
|
348 | 41a7fae7 | Christos Stavrakakis | |
349 | fae6e5f0 | Christos Stavrakakis | return backend.connect_to_network(vm, port)
|
350 | 41a7fae7 | Christos Stavrakakis | |
351 | 41a7fae7 | Christos Stavrakakis | |
352 | 41a7fae7 | Christos Stavrakakis | @server_command("DISCONNECT") |
353 | 7c714455 | Christos Stavrakakis | def disconnect(vm, nic): |
354 | 7c714455 | Christos Stavrakakis | log.info("Removing NIC %s from VM %s", nic, vm)
|
355 | 41a7fae7 | Christos Stavrakakis | return backend.disconnect_from_network(vm, nic)
|
356 | 41a7fae7 | Christos Stavrakakis | |
357 | 41a7fae7 | Christos Stavrakakis | |
358 | 41a7fae7 | Christos Stavrakakis | def console(vm, console_type): |
359 | 41a7fae7 | Christos Stavrakakis | """Arrange for an OOB console of the specified type
|
360 | 41a7fae7 | Christos Stavrakakis |
|
361 | 41a7fae7 | Christos Stavrakakis | This method arranges for an OOB console of the specified type.
|
362 | 41a7fae7 | Christos Stavrakakis | Only consoles of type "vnc" are supported for now.
|
363 | 41a7fae7 | Christos Stavrakakis |
|
364 | 41a7fae7 | Christos Stavrakakis | It uses a running instance of vncauthproxy to setup proper
|
365 | 41a7fae7 | Christos Stavrakakis | VNC forwarding with a random password, then returns the necessary
|
366 | 41a7fae7 | Christos Stavrakakis | VNC connection info to the caller.
|
367 | 41a7fae7 | Christos Stavrakakis |
|
368 | 41a7fae7 | Christos Stavrakakis | """
|
369 | 41a7fae7 | Christos Stavrakakis | log.info("Get console VM %s, type %s", vm, console_type)
|
370 | 41a7fae7 | Christos Stavrakakis | |
371 | 41a7fae7 | Christos Stavrakakis | # Use RAPI to get VNC console information for this instance
|
372 | 41a7fae7 | Christos Stavrakakis | if vm.operstate != "STARTED": |
373 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest('Server not in ACTIVE state.') |
374 | 41a7fae7 | Christos Stavrakakis | |
375 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
376 | 41a7fae7 | Christos Stavrakakis | console_data = {'kind': 'vnc', 'host': 'ganeti_node', 'port': 1000} |
377 | 41a7fae7 | Christos Stavrakakis | else:
|
378 | 41a7fae7 | Christos Stavrakakis | console_data = backend.get_instance_console(vm) |
379 | 41a7fae7 | Christos Stavrakakis | |
380 | 41a7fae7 | Christos Stavrakakis | if console_data['kind'] != 'vnc': |
381 | 41a7fae7 | Christos Stavrakakis | message = 'got console of kind %s, not "vnc"' % console_data['kind'] |
382 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable(message)
|
383 | 41a7fae7 | Christos Stavrakakis | |
384 | 41a7fae7 | Christos Stavrakakis | # Let vncauthproxy decide on the source port.
|
385 | 41a7fae7 | Christos Stavrakakis | # The alternative: static allocation, e.g.
|
386 | 41a7fae7 | Christos Stavrakakis | # sport = console_data['port'] - 1000
|
387 | 41a7fae7 | Christos Stavrakakis | sport = 0
|
388 | 41a7fae7 | Christos Stavrakakis | daddr = console_data['host']
|
389 | 41a7fae7 | Christos Stavrakakis | dport = console_data['port']
|
390 | 41a7fae7 | Christos Stavrakakis | password = util.random_password() |
391 | 41a7fae7 | Christos Stavrakakis | |
392 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
393 | 41a7fae7 | Christos Stavrakakis | fwd = {'source_port': 1234, 'status': 'OK'} |
394 | 41a7fae7 | Christos Stavrakakis | else:
|
395 | f3c5f1df | Stratos Psomadakis | vnc_extra_opts = settings.CYCLADES_VNCAUTHPROXY_OPTS |
396 | f3c5f1df | Stratos Psomadakis | fwd = request_vnc_forwarding(sport, daddr, dport, password, |
397 | f3c5f1df | Stratos Psomadakis | **vnc_extra_opts) |
398 | 41a7fae7 | Christos Stavrakakis | |
399 | 41a7fae7 | Christos Stavrakakis | if fwd['status'] != "OK": |
400 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('vncauthproxy returned error status') |
401 | 41a7fae7 | Christos Stavrakakis | |
402 | 41a7fae7 | Christos Stavrakakis | # Verify that the VNC server settings haven't changed
|
403 | 41a7fae7 | Christos Stavrakakis | if not settings.TEST: |
404 | 41a7fae7 | Christos Stavrakakis | if console_data != backend.get_instance_console(vm):
|
405 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('VNC Server settings changed.') |
406 | 41a7fae7 | Christos Stavrakakis | |
407 | 41a7fae7 | Christos Stavrakakis | console = { |
408 | 41a7fae7 | Christos Stavrakakis | 'type': 'vnc', |
409 | 41a7fae7 | Christos Stavrakakis | 'host': getfqdn(),
|
410 | 41a7fae7 | Christos Stavrakakis | 'port': fwd['source_port'], |
411 | 41a7fae7 | Christos Stavrakakis | 'password': password}
|
412 | 41a7fae7 | Christos Stavrakakis | |
413 | 41a7fae7 | Christos Stavrakakis | return console
|
414 | 9ba6bb95 | Christos Stavrakakis | |
415 | 9ba6bb95 | Christos Stavrakakis | |
416 | a52cc1b4 | Christos Stavrakakis | def rename(server, new_name): |
417 | a52cc1b4 | Christos Stavrakakis | """Rename a VirtualMachine."""
|
418 | a52cc1b4 | Christos Stavrakakis | old_name = server.name |
419 | a52cc1b4 | Christos Stavrakakis | server.name = new_name |
420 | a52cc1b4 | Christos Stavrakakis | server.save() |
421 | a52cc1b4 | Christos Stavrakakis | log.info("Renamed server '%s' from '%s' to '%s'", server, old_name,
|
422 | a52cc1b4 | Christos Stavrakakis | new_name) |
423 | a52cc1b4 | Christos Stavrakakis | return server
|
424 | 816d7588 | Christos Stavrakakis | |
425 | 816d7588 | Christos Stavrakakis | |
426 | fae6e5f0 | Christos Stavrakakis | @transaction.commit_on_success
|
427 | fae6e5f0 | Christos Stavrakakis | def create_port(*args, **kwargs): |
428 | 129b94d5 | Christos Stavrakakis | vm = kwargs.get("machine", None) |
429 | 129b94d5 | Christos Stavrakakis | if vm is None and len(args) >= 3: |
430 | 129b94d5 | Christos Stavrakakis | vm = args[2]
|
431 | 129b94d5 | Christos Stavrakakis | if vm is not None: |
432 | 129b94d5 | Christos Stavrakakis | if vm.nics.count() == settings.GANETI_MAX_NICS_PER_INSTANCE:
|
433 | 129b94d5 | Christos Stavrakakis | raise faults.BadRequest("Maximum ports per server limit reached") |
434 | fae6e5f0 | Christos Stavrakakis | return _create_port(*args, **kwargs)
|
435 | fae6e5f0 | Christos Stavrakakis | |
436 | fae6e5f0 | Christos Stavrakakis | |
437 | fae6e5f0 | Christos Stavrakakis | def _create_port(userid, network, machine=None, use_ipaddress=None, |
438 | fae6e5f0 | Christos Stavrakakis | address=None, name="", security_groups=None, |
439 | fae6e5f0 | Christos Stavrakakis | device_owner=None):
|
440 | fae6e5f0 | Christos Stavrakakis | """Create a new port on the specified network.
|
441 | 816d7588 | Christos Stavrakakis |
|
442 | fae6e5f0 | Christos Stavrakakis | Create a new Port(NetworkInterface model) on the specified Network. If
|
443 | fae6e5f0 | Christos Stavrakakis | 'machine' is specified, the machine will be connected to the network using
|
444 | fae6e5f0 | Christos Stavrakakis | this port. If 'use_ipaddress' argument is specified, the port will be
|
445 | fae6e5f0 | Christos Stavrakakis | assigned this IPAddress. Otherwise, an IPv4 address from the IPv4 subnet
|
446 | fae6e5f0 | Christos Stavrakakis | will be allocated.
|
447 | 816d7588 | Christos Stavrakakis |
|
448 | 816d7588 | Christos Stavrakakis | """
|
449 | fae6e5f0 | Christos Stavrakakis | if network.state != "ACTIVE": |
450 | 8f335041 | Christos Stavrakakis | raise faults.Conflict("Cannot create port while network '%s' is in" |
451 | 8f335041 | Christos Stavrakakis | " '%s' status" % (network.id, network.state))
|
452 | 8f335041 | Christos Stavrakakis | elif network.action == "DESTROY": |
453 | 8d5795b4 | Christos Stavrakakis | msg = "Cannot create port. Network %s is being deleted."
|
454 | 3f18f035 | Christos Stavrakakis | raise faults.Conflict(msg % network.id)
|
455 | 32b1ed4a | Christos Stavrakakis | elif network.drained:
|
456 | 32b1ed4a | Christos Stavrakakis | raise faults.Conflict("Cannot create port while network %s is in" |
457 | 32b1ed4a | Christos Stavrakakis | " 'SNF:DRAINED' status" % network.id)
|
458 | 8f335041 | Christos Stavrakakis | |
459 | ba6ad346 | Dionysis Grigoropoulos | utils.check_name_length(name, NetworkInterface.NETWORK_IFACE_NAME_LENGTH, |
460 | ba6ad346 | Dionysis Grigoropoulos | "Port name is too long")
|
461 | ba6ad346 | Dionysis Grigoropoulos | |
462 | fae6e5f0 | Christos Stavrakakis | ipaddress = None
|
463 | fae6e5f0 | Christos Stavrakakis | if use_ipaddress is not None: |
464 | fae6e5f0 | Christos Stavrakakis | # Use an existing IPAddress object.
|
465 | fae6e5f0 | Christos Stavrakakis | ipaddress = use_ipaddress |
466 | fae6e5f0 | Christos Stavrakakis | if ipaddress and (ipaddress.network_id != network.id): |
467 | fae6e5f0 | Christos Stavrakakis | msg = "IP Address %s does not belong to network %s"
|
468 | fae6e5f0 | Christos Stavrakakis | raise faults.Conflict(msg % (ipaddress.address, network.id))
|
469 | fae6e5f0 | Christos Stavrakakis | else:
|
470 | fae6e5f0 | Christos Stavrakakis | # If network has IPv4 subnets, try to allocate the address that the
|
471 | fae6e5f0 | Christos Stavrakakis | # the user specified or a random one.
|
472 | fae6e5f0 | Christos Stavrakakis | if network.subnets.filter(ipversion=4).exists(): |
473 | 0292883e | Christos Stavrakakis | ipaddress = ips.allocate_ip(network, userid=userid, |
474 | 0292883e | Christos Stavrakakis | address=address) |
475 | fae6e5f0 | Christos Stavrakakis | elif address is not None: |
476 | fae6e5f0 | Christos Stavrakakis | raise faults.BadRequest("Address %s is not a valid IP for the" |
477 | fae6e5f0 | Christos Stavrakakis | " defined network subnets" % address)
|
478 | fae6e5f0 | Christos Stavrakakis | |
479 | fae6e5f0 | Christos Stavrakakis | if ipaddress is not None and ipaddress.nic is not None: |
480 | fae6e5f0 | Christos Stavrakakis | raise faults.Conflict("IP address '%s' is already in use" % |
481 | fae6e5f0 | Christos Stavrakakis | ipaddress.address) |
482 | fae6e5f0 | Christos Stavrakakis | |
483 | fae6e5f0 | Christos Stavrakakis | port = NetworkInterface.objects.create(network=network, |
484 | fae6e5f0 | Christos Stavrakakis | state="DOWN",
|
485 | fae6e5f0 | Christos Stavrakakis | userid=userid, |
486 | fae6e5f0 | Christos Stavrakakis | device_owner=None,
|
487 | fae6e5f0 | Christos Stavrakakis | name=name) |
488 | fae6e5f0 | Christos Stavrakakis | |
489 | fae6e5f0 | Christos Stavrakakis | # add the security groups if any
|
490 | fae6e5f0 | Christos Stavrakakis | if security_groups:
|
491 | fae6e5f0 | Christos Stavrakakis | port.security_groups.add(*security_groups) |
492 | fae6e5f0 | Christos Stavrakakis | |
493 | fae6e5f0 | Christos Stavrakakis | if ipaddress is not None: |
494 | fae6e5f0 | Christos Stavrakakis | # Associate IPAddress with the Port
|
495 | fae6e5f0 | Christos Stavrakakis | ipaddress.nic = port |
496 | fae6e5f0 | Christos Stavrakakis | ipaddress.save() |
497 | fae6e5f0 | Christos Stavrakakis | |
498 | fae6e5f0 | Christos Stavrakakis | if machine is not None: |
499 | ae2da8a2 | Christos Stavrakakis | # Connect port to the instance.
|
500 | fae6e5f0 | Christos Stavrakakis | machine = connect(machine, network, port) |
501 | fae6e5f0 | Christos Stavrakakis | jobID = machine.task_job_id |
502 | fae6e5f0 | Christos Stavrakakis | log.info("Created Port %s with IP %s. Ganeti Job: %s",
|
503 | fae6e5f0 | Christos Stavrakakis | port, ipaddress, jobID) |
504 | fae6e5f0 | Christos Stavrakakis | else:
|
505 | fae6e5f0 | Christos Stavrakakis | log.info("Created Port %s with IP %s not attached to any instance",
|
506 | fae6e5f0 | Christos Stavrakakis | port, ipaddress) |
507 | 9ba6bb95 | Christos Stavrakakis | |
508 | fae6e5f0 | Christos Stavrakakis | return port
|
509 | 9ba6bb95 | Christos Stavrakakis | |
510 | e7f74e7d | Christos Stavrakakis | |
511 | fae6e5f0 | Christos Stavrakakis | def associate_port_with_machine(port, machine): |
512 | fae6e5f0 | Christos Stavrakakis | """Associate a Port with a VirtualMachine.
|
513 | 9ba6bb95 | Christos Stavrakakis |
|
514 | fae6e5f0 | Christos Stavrakakis | Associate the port with the VirtualMachine and add an entry to the
|
515 | fae6e5f0 | Christos Stavrakakis | IPAddressLog if the port has a public IPv4 address from a public network.
|
516 | 9ba6bb95 | Christos Stavrakakis |
|
517 | fae6e5f0 | Christos Stavrakakis | """
|
518 | ae2da8a2 | Christos Stavrakakis | if port.machine is not None: |
519 | ae2da8a2 | Christos Stavrakakis | raise faults.Conflict("Port %s is already in use." % port.id) |
520 | fae6e5f0 | Christos Stavrakakis | if port.network.public:
|
521 | fae6e5f0 | Christos Stavrakakis | ipv4_address = port.ipv4_address |
522 | fae6e5f0 | Christos Stavrakakis | if ipv4_address is not None: |
523 | fae6e5f0 | Christos Stavrakakis | ip_log = IPAddressLog.objects.create(server_id=machine.id, |
524 | fae6e5f0 | Christos Stavrakakis | network_id=port.network_id, |
525 | fae6e5f0 | Christos Stavrakakis | address=ipv4_address, |
526 | fae6e5f0 | Christos Stavrakakis | active=True)
|
527 | fae6e5f0 | Christos Stavrakakis | log.debug("Created IP log entry %s", ip_log)
|
528 | fae6e5f0 | Christos Stavrakakis | port.machine = machine |
529 | fae6e5f0 | Christos Stavrakakis | port.state = "BUILD"
|
530 | fae6e5f0 | Christos Stavrakakis | port.device_owner = "vm"
|
531 | fae6e5f0 | Christos Stavrakakis | port.save() |
532 | fae6e5f0 | Christos Stavrakakis | return port
|
533 | 9ba6bb95 | Christos Stavrakakis | |
534 | 9ba6bb95 | Christos Stavrakakis | |
535 | fae6e5f0 | Christos Stavrakakis | @transaction.commit_on_success
|
536 | fae6e5f0 | Christos Stavrakakis | def delete_port(port): |
537 | fae6e5f0 | Christos Stavrakakis | """Delete a port by removing the NIC card from the instance.
|
538 | 9ba6bb95 | Christos Stavrakakis |
|
539 | fae6e5f0 | Christos Stavrakakis | Send a Job to remove the NIC card from the instance. The port
|
540 | fae6e5f0 | Christos Stavrakakis | will be deleted and the associated IPv4 addressess will be released
|
541 | 6e73f499 | Christos Stavrakakis | when the job completes successfully.
|
542 | a52cc1b4 | Christos Stavrakakis |
|
543 | fae6e5f0 | Christos Stavrakakis | """
|
544 | a52cc1b4 | Christos Stavrakakis | |
545 | fae6e5f0 | Christos Stavrakakis | if port.machine is not None: |
546 | fae6e5f0 | Christos Stavrakakis | vm = disconnect(port.machine, port) |
547 | fae6e5f0 | Christos Stavrakakis | log.info("Removing port %s, Job: %s", port, vm.task_job_id)
|
548 | fae6e5f0 | Christos Stavrakakis | else:
|
549 | fae6e5f0 | Christos Stavrakakis | backend.remove_nic_ips(port) |
550 | fae6e5f0 | Christos Stavrakakis | port.delete() |
551 | fae6e5f0 | Christos Stavrakakis | log.info("Removed port %s", port)
|
552 | fae6e5f0 | Christos Stavrakakis | |
553 | fae6e5f0 | Christos Stavrakakis | return port
|
554 | 3aecadc8 | Christos Stavrakakis | |
555 | 3aecadc8 | Christos Stavrakakis | |
556 | 3aecadc8 | Christos Stavrakakis | def create_instance_ports(user_id, networks=None): |
557 | 3aecadc8 | Christos Stavrakakis | # First connect the instance to the networks defined by the admin
|
558 | 3aecadc8 | Christos Stavrakakis | forced_ports = create_ports_for_setting(user_id, category="admin")
|
559 | 3aecadc8 | Christos Stavrakakis | if networks is None: |
560 | 3aecadc8 | Christos Stavrakakis | # If the user did not asked for any networks, connect instance to
|
561 | 3aecadc8 | Christos Stavrakakis | # default networks as defined by the admin
|
562 | 3aecadc8 | Christos Stavrakakis | ports = create_ports_for_setting(user_id, category="default")
|
563 | 3aecadc8 | Christos Stavrakakis | else:
|
564 | 3aecadc8 | Christos Stavrakakis | # Else just connect to the networks that the user defined
|
565 | 3aecadc8 | Christos Stavrakakis | ports = create_ports_for_request(user_id, networks) |
566 | 129b94d5 | Christos Stavrakakis | total_ports = forced_ports + ports |
567 | 129b94d5 | Christos Stavrakakis | if len(total_ports) > settings.GANETI_MAX_NICS_PER_INSTANCE: |
568 | 129b94d5 | Christos Stavrakakis | raise faults.BadRequest("Maximum ports per server limit reached") |
569 | 129b94d5 | Christos Stavrakakis | return total_ports
|
570 | 3aecadc8 | Christos Stavrakakis | |
571 | 3aecadc8 | Christos Stavrakakis | |
572 | 3aecadc8 | Christos Stavrakakis | def create_ports_for_setting(user_id, category): |
573 | 3aecadc8 | Christos Stavrakakis | if category == "admin": |
574 | 3aecadc8 | Christos Stavrakakis | network_setting = settings.CYCLADES_FORCED_SERVER_NETWORKS |
575 | e74a5b4b | Christos Stavrakakis | exception = faults.ServiceUnavailable |
576 | 3aecadc8 | Christos Stavrakakis | elif category == "default": |
577 | 3aecadc8 | Christos Stavrakakis | network_setting = settings.CYCLADES_DEFAULT_SERVER_NETWORKS |
578 | e74a5b4b | Christos Stavrakakis | exception = faults.Conflict |
579 | 3aecadc8 | Christos Stavrakakis | else:
|
580 | 3aecadc8 | Christos Stavrakakis | raise ValueError("Unknown category: %s" % category) |
581 | 3aecadc8 | Christos Stavrakakis | |
582 | 3aecadc8 | Christos Stavrakakis | ports = [] |
583 | 3aecadc8 | Christos Stavrakakis | for network_ids in network_setting: |
584 | 3aecadc8 | Christos Stavrakakis | # Treat even simple network IDs as group of networks with one network
|
585 | 3aecadc8 | Christos Stavrakakis | if type(network_ids) not in (list, tuple): |
586 | 3aecadc8 | Christos Stavrakakis | network_ids = [network_ids] |
587 | 3aecadc8 | Christos Stavrakakis | |
588 | e74a5b4b | Christos Stavrakakis | error_msgs = [] |
589 | 3aecadc8 | Christos Stavrakakis | for network_id in network_ids: |
590 | c32c74d9 | Christos Stavrakakis | success = False
|
591 | 3aecadc8 | Christos Stavrakakis | try:
|
592 | 3aecadc8 | Christos Stavrakakis | ports.append(_port_from_setting(user_id, network_id, category)) |
593 | e74a5b4b | Christos Stavrakakis | # Port successfully created in one of the networks. Skip the
|
594 | e74a5b4b | Christos Stavrakakis | # the rest.
|
595 | c32c74d9 | Christos Stavrakakis | success = True
|
596 | 3aecadc8 | Christos Stavrakakis | break
|
597 | e74a5b4b | Christos Stavrakakis | except faults.Conflict as e: |
598 | e74a5b4b | Christos Stavrakakis | if len(network_ids) == 1: |
599 | e74a5b4b | Christos Stavrakakis | raise exception(e.message)
|
600 | e74a5b4b | Christos Stavrakakis | else:
|
601 | e74a5b4b | Christos Stavrakakis | error_msgs.append(e.message) |
602 | e74a5b4b | Christos Stavrakakis | |
603 | c32c74d9 | Christos Stavrakakis | if not success: |
604 | c32c74d9 | Christos Stavrakakis | if category == "admin": |
605 | c32c74d9 | Christos Stavrakakis | log.error("Cannot connect server to forced networks '%s': %s",
|
606 | c32c74d9 | Christos Stavrakakis | network_ids, error_msgs) |
607 | c32c74d9 | Christos Stavrakakis | raise exception("Cannot connect server to forced server" |
608 | c32c74d9 | Christos Stavrakakis | " networks.")
|
609 | c32c74d9 | Christos Stavrakakis | else:
|
610 | c32c74d9 | Christos Stavrakakis | log.debug("Cannot connect server to default networks '%s': %s",
|
611 | c32c74d9 | Christos Stavrakakis | network_ids, error_msgs) |
612 | c32c74d9 | Christos Stavrakakis | raise exception("Cannot connect server to default server" |
613 | c32c74d9 | Christos Stavrakakis | " networks.")
|
614 | e74a5b4b | Christos Stavrakakis | |
615 | 3aecadc8 | Christos Stavrakakis | return ports
|
616 | 3aecadc8 | Christos Stavrakakis | |
617 | 3aecadc8 | Christos Stavrakakis | |
618 | 3aecadc8 | Christos Stavrakakis | def _port_from_setting(user_id, network_id, category): |
619 | 3aecadc8 | Christos Stavrakakis | # TODO: Fix this..you need only IPv4 and only IPv6 network
|
620 | 3aecadc8 | Christos Stavrakakis | if network_id == "SNF:ANY_PUBLIC_IPV4": |
621 | 3aecadc8 | Christos Stavrakakis | return create_public_ipv4_port(user_id, category=category)
|
622 | 3aecadc8 | Christos Stavrakakis | elif network_id == "SNF:ANY_PUBLIC_IPV6": |
623 | 3aecadc8 | Christos Stavrakakis | return create_public_ipv6_port(user_id, category=category)
|
624 | 3aecadc8 | Christos Stavrakakis | elif network_id == "SNF:ANY_PUBLIC": |
625 | 3aecadc8 | Christos Stavrakakis | try:
|
626 | 3aecadc8 | Christos Stavrakakis | return create_public_ipv4_port(user_id, category=category)
|
627 | e74a5b4b | Christos Stavrakakis | except faults.Conflict as e1: |
628 | e74a5b4b | Christos Stavrakakis | try:
|
629 | e74a5b4b | Christos Stavrakakis | return create_public_ipv6_port(user_id, category=category)
|
630 | e74a5b4b | Christos Stavrakakis | except faults.Conflict as e2: |
631 | e74a5b4b | Christos Stavrakakis | log.error("Failed to connect server to a public IPv4 or IPv6"
|
632 | e74a5b4b | Christos Stavrakakis | " network. IPv4: %s, IPv6: %s", e1, e2)
|
633 | e74a5b4b | Christos Stavrakakis | msg = ("Cannot connect server to a public IPv4 or IPv6"
|
634 | e74a5b4b | Christos Stavrakakis | " network.")
|
635 | e74a5b4b | Christos Stavrakakis | raise faults.Conflict(msg)
|
636 | 3aecadc8 | Christos Stavrakakis | else: # Case of network ID |
637 | 3aecadc8 | Christos Stavrakakis | if category in ["user", "default"]: |
638 | 3aecadc8 | Christos Stavrakakis | return _port_for_request(user_id, {"uuid": network_id}) |
639 | 3aecadc8 | Christos Stavrakakis | elif category == "admin": |
640 | 3aecadc8 | Christos Stavrakakis | network = util.get_network(network_id, user_id, non_deleted=True)
|
641 | 3aecadc8 | Christos Stavrakakis | return _create_port(user_id, network)
|
642 | 3aecadc8 | Christos Stavrakakis | else:
|
643 | 3aecadc8 | Christos Stavrakakis | raise ValueError("Unknown category: %s" % category) |
644 | 3aecadc8 | Christos Stavrakakis | |
645 | 3aecadc8 | Christos Stavrakakis | |
646 | 3aecadc8 | Christos Stavrakakis | def create_public_ipv4_port(user_id, network=None, address=None, |
647 | 3aecadc8 | Christos Stavrakakis | category="user"):
|
648 | 3aecadc8 | Christos Stavrakakis | """Create a port in a public IPv4 network.
|
649 | 3aecadc8 | Christos Stavrakakis |
|
650 | 3aecadc8 | Christos Stavrakakis | Create a port in a public IPv4 network (that may also have an IPv6
|
651 | 3aecadc8 | Christos Stavrakakis | subnet). If the category is 'user' or 'default' this will try to use
|
652 | 3aecadc8 | Christos Stavrakakis | one of the users floating IPs. If the category is 'admin' will
|
653 | 3aecadc8 | Christos Stavrakakis | create a port to the public network (without floating IPs or quotas).
|
654 | 3aecadc8 | Christos Stavrakakis |
|
655 | 3aecadc8 | Christos Stavrakakis | """
|
656 | 3aecadc8 | Christos Stavrakakis | if category in ["user", "default"]: |
657 | 3aecadc8 | Christos Stavrakakis | if address is None: |
658 | 3aecadc8 | Christos Stavrakakis | ipaddress = ips.get_free_floating_ip(user_id, network) |
659 | 3aecadc8 | Christos Stavrakakis | else:
|
660 | 3aecadc8 | Christos Stavrakakis | ipaddress = util.get_floating_ip_by_address(user_id, address, |
661 | 3aecadc8 | Christos Stavrakakis | for_update=True)
|
662 | 3aecadc8 | Christos Stavrakakis | elif category == "admin": |
663 | 3aecadc8 | Christos Stavrakakis | if network is None: |
664 | 3aecadc8 | Christos Stavrakakis | ipaddress = ips.allocate_public_ip(user_id) |
665 | 3aecadc8 | Christos Stavrakakis | else:
|
666 | 3aecadc8 | Christos Stavrakakis | ipaddress = ips.allocate_ip(network, user_id) |
667 | 3aecadc8 | Christos Stavrakakis | else:
|
668 | 3aecadc8 | Christos Stavrakakis | raise ValueError("Unknown category: %s" % category) |
669 | 3aecadc8 | Christos Stavrakakis | if network is None: |
670 | 3aecadc8 | Christos Stavrakakis | network = ipaddress.network |
671 | 3aecadc8 | Christos Stavrakakis | return _create_port(user_id, network, use_ipaddress=ipaddress)
|
672 | 3aecadc8 | Christos Stavrakakis | |
673 | 3aecadc8 | Christos Stavrakakis | |
674 | 3aecadc8 | Christos Stavrakakis | def create_public_ipv6_port(user_id, category=None): |
675 | 3aecadc8 | Christos Stavrakakis | """Create a port in a public IPv6 only network."""
|
676 | 3aecadc8 | Christos Stavrakakis | networks = Network.objects.filter(public=True, deleted=False, |
677 | 3aecadc8 | Christos Stavrakakis | drained=False, subnets__ipversion=6)\ |
678 | 3aecadc8 | Christos Stavrakakis | .exclude(subnets__ipversion=4)
|
679 | 3aecadc8 | Christos Stavrakakis | if networks:
|
680 | 3aecadc8 | Christos Stavrakakis | return _create_port(user_id, networks[0]) |
681 | 3aecadc8 | Christos Stavrakakis | else:
|
682 | 3aecadc8 | Christos Stavrakakis | msg = "No available IPv6 only network!"
|
683 | 3aecadc8 | Christos Stavrakakis | log.error(msg) |
684 | 3aecadc8 | Christos Stavrakakis | raise faults.Conflict(msg)
|
685 | 3aecadc8 | Christos Stavrakakis | |
686 | 3aecadc8 | Christos Stavrakakis | |
687 | 3aecadc8 | Christos Stavrakakis | def create_ports_for_request(user_id, networks): |
688 | 3aecadc8 | Christos Stavrakakis | """Create the server ports requested by the user.
|
689 | 3aecadc8 | Christos Stavrakakis |
|
690 | 3aecadc8 | Christos Stavrakakis | Create the ports for the new servers as requested in the 'networks'
|
691 | 3aecadc8 | Christos Stavrakakis | attribute. The networks attribute contains either a list of network IDs
|
692 | 3aecadc8 | Christos Stavrakakis | ('uuid') or a list of ports IDs ('port'). In case of network IDs, the user
|
693 | 3aecadc8 | Christos Stavrakakis | can also specify an IPv4 address ('fixed_ip'). In order to connect to a
|
694 | 3aecadc8 | Christos Stavrakakis | public network, the 'fixed_ip' attribute must contain the IPv4 address of a
|
695 | 3aecadc8 | Christos Stavrakakis | floating IP. If the network is public but the 'fixed_ip' attribute is not
|
696 | 3aecadc8 | Christos Stavrakakis | specified, the system will automatically reserve one of the users floating
|
697 | 3aecadc8 | Christos Stavrakakis | IPs.
|
698 | 3aecadc8 | Christos Stavrakakis |
|
699 | 3aecadc8 | Christos Stavrakakis | """
|
700 | 3aecadc8 | Christos Stavrakakis | return [_port_for_request(user_id, network) for network in networks] |
701 | 3aecadc8 | Christos Stavrakakis | |
702 | 3aecadc8 | Christos Stavrakakis | |
703 | 3aecadc8 | Christos Stavrakakis | def _port_for_request(user_id, network_dict): |
704 | 3aecadc8 | Christos Stavrakakis | port_id = network_dict.get("port")
|
705 | 3aecadc8 | Christos Stavrakakis | network_id = network_dict.get("uuid")
|
706 | 3aecadc8 | Christos Stavrakakis | if port_id is not None: |
707 | 3aecadc8 | Christos Stavrakakis | return util.get_port(port_id, user_id, for_update=True) |
708 | 3aecadc8 | Christos Stavrakakis | elif network_id is not None: |
709 | 3aecadc8 | Christos Stavrakakis | address = network_dict.get("fixed_ip")
|
710 | 3aecadc8 | Christos Stavrakakis | network = util.get_network(network_id, user_id, non_deleted=True)
|
711 | 3aecadc8 | Christos Stavrakakis | if network.public:
|
712 | 3aecadc8 | Christos Stavrakakis | if network.subnet4 is not None: |
713 | 3aecadc8 | Christos Stavrakakis | if not "fixed_ip" in network_dict: |
714 | 3aecadc8 | Christos Stavrakakis | return create_public_ipv4_port(user_id, network)
|
715 | 3aecadc8 | Christos Stavrakakis | elif address is None: |
716 | 3aecadc8 | Christos Stavrakakis | msg = "Cannot connect to public network"
|
717 | 3aecadc8 | Christos Stavrakakis | raise faults.BadRequest(msg % network.id)
|
718 | 3aecadc8 | Christos Stavrakakis | else:
|
719 | 3aecadc8 | Christos Stavrakakis | return create_public_ipv4_port(user_id, network, address)
|
720 | 3aecadc8 | Christos Stavrakakis | else:
|
721 | 3aecadc8 | Christos Stavrakakis | raise faults.Forbidden("Cannot connect to IPv6 only public" |
722 | 3aecadc8 | Christos Stavrakakis | " network %" % network.id)
|
723 | 3aecadc8 | Christos Stavrakakis | else:
|
724 | 3aecadc8 | Christos Stavrakakis | return _create_port(user_id, network, address=address)
|
725 | 3aecadc8 | Christos Stavrakakis | else:
|
726 | 3aecadc8 | Christos Stavrakakis | raise faults.BadRequest("Network 'uuid' or 'port' attribute" |
727 | 3aecadc8 | Christos Stavrakakis | " is required.") |