root / snf-cyclades-app / synnefo / logic / servers.py @ 5c8076b6
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1 | 41a7fae7 | Christos Stavrakakis | import logging |
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2 | 8e67ea28 | Christos Stavrakakis | import datetime |
3 | 41a7fae7 | Christos Stavrakakis | |
4 | 41a7fae7 | Christos Stavrakakis | from socket import getfqdn |
5 | 41a7fae7 | Christos Stavrakakis | from functools import wraps |
6 | 41a7fae7 | Christos Stavrakakis | from django import dispatch |
7 | 41a7fae7 | Christos Stavrakakis | from django.db import transaction |
8 | 41a7fae7 | Christos Stavrakakis | from django.utils import simplejson as json |
9 | 41a7fae7 | Christos Stavrakakis | |
10 | 41a7fae7 | Christos Stavrakakis | from snf_django.lib.api import faults |
11 | 0c09b1c0 | Christos Stavrakakis | from django.conf import settings |
12 | 41a7fae7 | Christos Stavrakakis | from synnefo import quotas |
13 | 41a7fae7 | Christos Stavrakakis | from synnefo.api import util |
14 | 41a7fae7 | Christos Stavrakakis | from synnefo.logic import backend |
15 | 41a7fae7 | Christos Stavrakakis | from synnefo.logic.backend_allocator import BackendAllocator |
16 | cb66110b | Christos Stavrakakis | from synnefo.db.models import (NetworkInterface, VirtualMachine, Network, |
17 | 9ba6bb95 | Christos Stavrakakis | VirtualMachineMetadata, FloatingIP) |
18 | 41a7fae7 | Christos Stavrakakis | |
19 | 41a7fae7 | Christos Stavrakakis | from vncauthproxy.client import request_forwarding as request_vnc_forwarding |
20 | 41a7fae7 | Christos Stavrakakis | |
21 | 41a7fae7 | Christos Stavrakakis | log = logging.getLogger(__name__) |
22 | 41a7fae7 | Christos Stavrakakis | |
23 | 41a7fae7 | Christos Stavrakakis | # server creation signal
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24 | 41a7fae7 | Christos Stavrakakis | server_created = dispatch.Signal(providing_args=["created_vm_params"])
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25 | 41a7fae7 | Christos Stavrakakis | |
26 | 41a7fae7 | Christos Stavrakakis | |
27 | 41a7fae7 | Christos Stavrakakis | def validate_server_action(vm, action): |
28 | 41a7fae7 | Christos Stavrakakis | if vm.deleted:
|
29 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' has been deleted." % vm.id) |
30 | 41a7fae7 | Christos Stavrakakis | |
31 | 41a7fae7 | Christos Stavrakakis | # Destroyin a server should always be permitted
|
32 | 41a7fae7 | Christos Stavrakakis | if action == "DESTROY": |
33 | 41a7fae7 | Christos Stavrakakis | return
|
34 | 41a7fae7 | Christos Stavrakakis | |
35 | 41a7fae7 | Christos Stavrakakis | # Check that there is no pending action
|
36 | 41a7fae7 | Christos Stavrakakis | pending_action = vm.task |
37 | 41a7fae7 | Christos Stavrakakis | if pending_action:
|
38 | 41a7fae7 | Christos Stavrakakis | if pending_action == "BUILD": |
39 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
40 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not perform '%s' action while there is a" |
41 | 41a7fae7 | Christos Stavrakakis | " pending '%s'." % (action, pending_action))
|
42 | 41a7fae7 | Christos Stavrakakis | |
43 | 41a7fae7 | Christos Stavrakakis | # Check if action can be performed to VM's operstate
|
44 | 41a7fae7 | Christos Stavrakakis | operstate = vm.operstate |
45 | 562bf712 | Christos Stavrakakis | if operstate == "BUILD" and action != "BUILD": |
46 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
47 | 9599e997 | Christos Stavrakakis | elif (action == "START" and operstate != "STOPPED") or\ |
48 | 9599e997 | Christos Stavrakakis | (action == "STOP" and operstate != "STARTED") or\ |
49 | 9599e997 | Christos Stavrakakis | (action == "RESIZE" and operstate != "STOPPED") or\ |
50 | 9599e997 | Christos Stavrakakis | (action in ["CONNECT", "DISCONNECT"] and operstate != "STOPPED" |
51 | 9599e997 | Christos Stavrakakis | and not settings.GANETI_USE_HOTPLUG): |
52 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not perform '%s' action while server is" |
53 | 41a7fae7 | Christos Stavrakakis | " in '%s' state." % (action, operstate))
|
54 | 41a7fae7 | Christos Stavrakakis | return
|
55 | 41a7fae7 | Christos Stavrakakis | |
56 | 41a7fae7 | Christos Stavrakakis | |
57 | 41a7fae7 | Christos Stavrakakis | def server_command(action): |
58 | 41a7fae7 | Christos Stavrakakis | """Handle execution of a server action.
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59 | 41a7fae7 | Christos Stavrakakis |
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60 | 41a7fae7 | Christos Stavrakakis | Helper function to validate and execute a server action, handle quota
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61 | 41a7fae7 | Christos Stavrakakis | commission and update the 'task' of the VM in the DB.
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62 | 41a7fae7 | Christos Stavrakakis |
|
63 | 41a7fae7 | Christos Stavrakakis | 1) Check if action can be performed. If it can, then there must be no
|
64 | 41a7fae7 | Christos Stavrakakis | pending task (with the exception of DESTROY).
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65 | 41a7fae7 | Christos Stavrakakis | 2) Handle previous commission if unresolved:
|
66 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and it to accept, then accept
|
67 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and to reject or is pending then reject it. Since
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68 | 41a7fae7 | Christos Stavrakakis | the action can be performed only if there is no pending task, then there
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69 | 41a7fae7 | Christos Stavrakakis | can be no pending commission. The exception is DESTROY, but in this case
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70 | 41a7fae7 | Christos Stavrakakis | the commission can safely be rejected, and the dispatcher will generate
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71 | 41a7fae7 | Christos Stavrakakis | the correct ones!
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72 | 41a7fae7 | Christos Stavrakakis | 3) Issue new commission and associate it with the VM. Also clear the task.
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73 | 41a7fae7 | Christos Stavrakakis | 4) Send job to ganeti
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74 | 41a7fae7 | Christos Stavrakakis | 5) Update task and commit
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75 | 41a7fae7 | Christos Stavrakakis | """
|
76 | 41a7fae7 | Christos Stavrakakis | def decorator(func): |
77 | 41a7fae7 | Christos Stavrakakis | @wraps(func)
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78 | 41a7fae7 | Christos Stavrakakis | @transaction.commit_on_success
|
79 | 41a7fae7 | Christos Stavrakakis | def wrapper(vm, *args, **kwargs): |
80 | 41a7fae7 | Christos Stavrakakis | user_id = vm.userid |
81 | 41a7fae7 | Christos Stavrakakis | validate_server_action(vm, action) |
82 | c9fefba3 | Christos Stavrakakis | vm.action = action |
83 | 41a7fae7 | Christos Stavrakakis | |
84 | 5c8076b6 | Christos Stavrakakis | commission_name = "client: api, resource: %s" % vm
|
85 | 5c8076b6 | Christos Stavrakakis | quotas.handle_resource_commission(vm, action=action, |
86 | 5c8076b6 | Christos Stavrakakis | commission_name=commission_name) |
87 | 5c8076b6 | Christos Stavrakakis | vm.save() |
88 | 41a7fae7 | Christos Stavrakakis | |
89 | 562bf712 | Christos Stavrakakis | # XXX: Special case for server creation!
|
90 | 562bf712 | Christos Stavrakakis | if action == "BUILD": |
91 | 562bf712 | Christos Stavrakakis | # Perform a commit, because the VirtualMachine must be saved to
|
92 | 562bf712 | Christos Stavrakakis | # DB before the OP_INSTANCE_CREATE job in enqueued in Ganeti.
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93 | 562bf712 | Christos Stavrakakis | # Otherwise, messages will arrive from snf-dispatcher about
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94 | 562bf712 | Christos Stavrakakis | # this instance, before the VM is stored in DB.
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95 | 562bf712 | Christos Stavrakakis | transaction.commit() |
96 | 562bf712 | Christos Stavrakakis | # After committing the locks are released. Refetch the instance
|
97 | 562bf712 | Christos Stavrakakis | # to guarantee x-lock.
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98 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.select_for_update().get(id=vm.id) |
99 | 562bf712 | Christos Stavrakakis | |
100 | 41a7fae7 | Christos Stavrakakis | # Send the job to Ganeti and get the associated jobID
|
101 | 41a7fae7 | Christos Stavrakakis | try:
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102 | 41a7fae7 | Christos Stavrakakis | job_id = func(vm, *args, **kwargs) |
103 | 41a7fae7 | Christos Stavrakakis | except Exception as e: |
104 | 41a7fae7 | Christos Stavrakakis | if vm.serial is not None: |
105 | 41a7fae7 | Christos Stavrakakis | # Since the job never reached Ganeti, reject the commission
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106 | 41a7fae7 | Christos Stavrakakis | log.debug("Rejecting commission: '%s', could not perform"
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107 | 41a7fae7 | Christos Stavrakakis | " action '%s': %s" % (vm.serial, action, e))
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108 | 41a7fae7 | Christos Stavrakakis | transaction.rollback() |
109 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(vm.serial) |
110 | 41a7fae7 | Christos Stavrakakis | transaction.commit() |
111 | 41a7fae7 | Christos Stavrakakis | raise
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112 | 41a7fae7 | Christos Stavrakakis | |
113 | 41a7fae7 | Christos Stavrakakis | log.info("user: %s, vm: %s, action: %s, job_id: %s, serial: %s",
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114 | 41a7fae7 | Christos Stavrakakis | user_id, vm.id, action, job_id, vm.serial) |
115 | 41a7fae7 | Christos Stavrakakis | |
116 | 41a7fae7 | Christos Stavrakakis | # store the new task in the VM
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117 | 41a7fae7 | Christos Stavrakakis | if job_id is not None: |
118 | 41a7fae7 | Christos Stavrakakis | vm.task = action |
119 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = job_id |
120 | 41a7fae7 | Christos Stavrakakis | vm.save() |
121 | 41a7fae7 | Christos Stavrakakis | |
122 | 41a7fae7 | Christos Stavrakakis | return vm
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123 | 41a7fae7 | Christos Stavrakakis | return wrapper
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124 | 41a7fae7 | Christos Stavrakakis | return decorator
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125 | 41a7fae7 | Christos Stavrakakis | |
126 | 41a7fae7 | Christos Stavrakakis | |
127 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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128 | 41a7fae7 | Christos Stavrakakis | def create(userid, name, password, flavor, image, metadata={}, |
129 | 5aeb4e93 | Christos Stavrakakis | personality=[], private_networks=None, floating_ips=None, |
130 | 5aeb4e93 | Christos Stavrakakis | use_backend=None):
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131 | 41a7fae7 | Christos Stavrakakis | if use_backend is None: |
132 | 562bf712 | Christos Stavrakakis | # Allocate server to a Ganeti backend
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133 | 562bf712 | Christos Stavrakakis | use_backend = allocate_new_server(userid, flavor) |
134 | 41a7fae7 | Christos Stavrakakis | |
135 | 6193628f | Christos Stavrakakis | if private_networks is None: |
136 | 6193628f | Christos Stavrakakis | private_networks = [] |
137 | 6193628f | Christos Stavrakakis | if floating_ips is None: |
138 | 6193628f | Christos Stavrakakis | floating_ips = [] |
139 | 6193628f | Christos Stavrakakis | |
140 | 41a7fae7 | Christos Stavrakakis | # Fix flavor for archipelago
|
141 | 41a7fae7 | Christos Stavrakakis | disk_template, provider = util.get_flavor_provider(flavor) |
142 | 41a7fae7 | Christos Stavrakakis | if provider:
|
143 | 41a7fae7 | Christos Stavrakakis | flavor.disk_template = disk_template |
144 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = provider |
145 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = None
|
146 | 41a7fae7 | Christos Stavrakakis | if provider == 'vlmc': |
147 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = image['checksum']
|
148 | 41a7fae7 | Christos Stavrakakis | image['backend_id'] = 'null' |
149 | 41a7fae7 | Christos Stavrakakis | else:
|
150 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = None
|
151 | 41a7fae7 | Christos Stavrakakis | |
152 | 562bf712 | Christos Stavrakakis | # We must save the VM instance now, so that it gets a valid
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153 | 562bf712 | Christos Stavrakakis | # vm.backend_vm_id.
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154 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.create(name=name, |
155 | 562bf712 | Christos Stavrakakis | backend=use_backend, |
156 | 562bf712 | Christos Stavrakakis | userid=userid, |
157 | 562bf712 | Christos Stavrakakis | imageid=image["id"],
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158 | 562bf712 | Christos Stavrakakis | flavor=flavor, |
159 | 562bf712 | Christos Stavrakakis | operstate="BUILD")
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160 | 562bf712 | Christos Stavrakakis | log.info("Created entry in DB for VM '%s'", vm)
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161 | 562bf712 | Christos Stavrakakis | |
162 | 562bf712 | Christos Stavrakakis | nics = create_instance_nics(vm, userid, private_networks, floating_ips) |
163 | 562bf712 | Christos Stavrakakis | |
164 | 562bf712 | Christos Stavrakakis | for key, val in metadata.items(): |
165 | 562bf712 | Christos Stavrakakis | VirtualMachineMetadata.objects.create( |
166 | 562bf712 | Christos Stavrakakis | meta_key=key, |
167 | 562bf712 | Christos Stavrakakis | meta_value=val, |
168 | 562bf712 | Christos Stavrakakis | vm=vm) |
169 | 41a7fae7 | Christos Stavrakakis | |
170 | 41a7fae7 | Christos Stavrakakis | try:
|
171 | 562bf712 | Christos Stavrakakis | # Create the server in Ganeti.
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172 | 562bf712 | Christos Stavrakakis | create_server(vm, nics, flavor, image, personality, password) |
173 | 41a7fae7 | Christos Stavrakakis | except:
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174 | 8e67ea28 | Christos Stavrakakis | # If an exception is raised, then the user will never get the VM id.
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175 | 8e67ea28 | Christos Stavrakakis | # In order to delete it from DB and release it's resources, we
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176 | 8e67ea28 | Christos Stavrakakis | # mock a successful OP_INSTANCE_REMOVE job.
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177 | 8e67ea28 | Christos Stavrakakis | backend.process_op_status(vm=vm, etime=datetime.datetime.now(), |
178 | 8e67ea28 | Christos Stavrakakis | jobid=-0,
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179 | 8e67ea28 | Christos Stavrakakis | opcode="OP_INSTANCE_REMOVE",
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180 | 8e67ea28 | Christos Stavrakakis | status="success",
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181 | 8e67ea28 | Christos Stavrakakis | logmsg="Reconciled eventd: VM creation"
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182 | 8e67ea28 | Christos Stavrakakis | " failed.")
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183 | 41a7fae7 | Christos Stavrakakis | raise
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184 | 41a7fae7 | Christos Stavrakakis | |
185 | 41a7fae7 | Christos Stavrakakis | return vm
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186 | 41a7fae7 | Christos Stavrakakis | |
187 | 41a7fae7 | Christos Stavrakakis | |
188 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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189 | 562bf712 | Christos Stavrakakis | def allocate_new_server(userid, flavor): |
190 | 562bf712 | Christos Stavrakakis | """Allocate a new server to a Ganeti backend.
|
191 | 562bf712 | Christos Stavrakakis |
|
192 | 562bf712 | Christos Stavrakakis | Allocation is performed based on the owner of the server and the specified
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193 | 562bf712 | Christos Stavrakakis | flavor. Also, backends that do not have a public IPv4 address are excluded
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194 | 562bf712 | Christos Stavrakakis | from server allocation.
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195 | 562bf712 | Christos Stavrakakis |
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196 | 562bf712 | Christos Stavrakakis | This function runs inside a transaction, because after allocating the
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197 | 562bf712 | Christos Stavrakakis | instance a commit must be performed in order to release all locks.
|
198 | 562bf712 | Christos Stavrakakis |
|
199 | 562bf712 | Christos Stavrakakis | """
|
200 | 562bf712 | Christos Stavrakakis | backend_allocator = BackendAllocator() |
201 | 562bf712 | Christos Stavrakakis | use_backend = backend_allocator.allocate(userid, flavor) |
202 | 562bf712 | Christos Stavrakakis | if use_backend is None: |
203 | 562bf712 | Christos Stavrakakis | log.error("No available backend for VM with flavor %s", flavor)
|
204 | 562bf712 | Christos Stavrakakis | raise faults.ServiceUnavailable("No available backends") |
205 | 562bf712 | Christos Stavrakakis | return use_backend
|
206 | 562bf712 | Christos Stavrakakis | |
207 | 562bf712 | Christos Stavrakakis | |
208 | 562bf712 | Christos Stavrakakis | @server_command("BUILD") |
209 | 562bf712 | Christos Stavrakakis | def create_server(vm, nics, flavor, image, personality, password): |
210 | 562bf712 | Christos Stavrakakis | # dispatch server created signal needed to trigger the 'vmapi', which
|
211 | 562bf712 | Christos Stavrakakis | # enriches the vm object with the 'config_url' attribute which must be
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212 | 562bf712 | Christos Stavrakakis | # passed to the Ganeti job.
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213 | 562bf712 | Christos Stavrakakis | server_created.send(sender=vm, created_vm_params={ |
214 | 562bf712 | Christos Stavrakakis | 'img_id': image['backend_id'], |
215 | 562bf712 | Christos Stavrakakis | 'img_passwd': password,
|
216 | 562bf712 | Christos Stavrakakis | 'img_format': str(image['format']), |
217 | 562bf712 | Christos Stavrakakis | 'img_personality': json.dumps(personality),
|
218 | 562bf712 | Christos Stavrakakis | 'img_properties': json.dumps(image['metadata']), |
219 | 562bf712 | Christos Stavrakakis | }) |
220 | 562bf712 | Christos Stavrakakis | # send job to Ganeti
|
221 | 562bf712 | Christos Stavrakakis | jobID = backend.create_instance(vm, nics, flavor, image) |
222 | 562bf712 | Christos Stavrakakis | # At this point the job is enqueued in the Ganeti backend
|
223 | 562bf712 | Christos Stavrakakis | vm.backendjobid = jobID |
224 | 562bf712 | Christos Stavrakakis | vm.save() |
225 | 562bf712 | Christos Stavrakakis | log.info("User %s created VM %s, NICs %s, Backend %s, JobID %s",
|
226 | 562bf712 | Christos Stavrakakis | vm.userid, vm, nics, backend, str(jobID))
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227 | 562bf712 | Christos Stavrakakis | |
228 | 562bf712 | Christos Stavrakakis | return jobID
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229 | 562bf712 | Christos Stavrakakis | |
230 | 562bf712 | Christos Stavrakakis | |
231 | 816d7588 | Christos Stavrakakis | def create_instance_nics(vm, userid, private_networks=[], floating_ips=[]): |
232 | cb66110b | Christos Stavrakakis | """Create NICs for VirtualMachine.
|
233 | cb66110b | Christos Stavrakakis |
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234 | cb66110b | Christos Stavrakakis | Helper function for allocating IP addresses and creating NICs in the DB
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235 | cb66110b | Christos Stavrakakis | for a VirtualMachine. Created NICs are the combination of the default
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236 | cb66110b | Christos Stavrakakis | network policy (defined by administration settings) and the private
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237 | cb66110b | Christos Stavrakakis | networks defined by the user.
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238 | cb66110b | Christos Stavrakakis |
|
239 | cb66110b | Christos Stavrakakis | """
|
240 | cb66110b | Christos Stavrakakis | attachments = [] |
241 | cb66110b | Christos Stavrakakis | for network_id in settings.DEFAULT_INSTANCE_NETWORKS: |
242 | cb66110b | Christos Stavrakakis | network, address = None, None |
243 | 9446e7e5 | Christos Stavrakakis | if network_id == "SNF:ANY_PUBLIC": |
244 | 660b9f3b | Christos Stavrakakis | network, address = util.allocate_public_address(backend=vm.backend) |
245 | cb66110b | Christos Stavrakakis | else:
|
246 | cb66110b | Christos Stavrakakis | try:
|
247 | cb66110b | Christos Stavrakakis | network = Network.objects.get(id=network_id, deleted=False)
|
248 | cb66110b | Christos Stavrakakis | except Network.DoesNotExist:
|
249 | cb66110b | Christos Stavrakakis | msg = "Invalid configuration. Setting"\
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250 | cb66110b | Christos Stavrakakis | " 'DEFAULT_INSTANCE_NETWORKS' contains invalid"\
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251 | cb66110b | Christos Stavrakakis | " network '%s'" % network_id
|
252 | cb66110b | Christos Stavrakakis | log.error(msg) |
253 | cb66110b | Christos Stavrakakis | raise Exception(msg) |
254 | 5aeb4e93 | Christos Stavrakakis | if network.subnet is not None and network.dhcp: |
255 | cb66110b | Christos Stavrakakis | address = util.get_network_free_address(network) |
256 | cb66110b | Christos Stavrakakis | attachments.append((network, address)) |
257 | 816d7588 | Christos Stavrakakis | for address in floating_ips: |
258 | f8675683 | Christos Stavrakakis | floating_ip = add_floating_ip_to_vm(vm=vm, address=address) |
259 | 816d7588 | Christos Stavrakakis | network = floating_ip.network |
260 | 816d7588 | Christos Stavrakakis | attachments.append((network, address)) |
261 | cb66110b | Christos Stavrakakis | for network_id in private_networks: |
262 | cb66110b | Christos Stavrakakis | network, address = None, None |
263 | cb66110b | Christos Stavrakakis | network = util.get_network(network_id, userid, non_deleted=True)
|
264 | cb66110b | Christos Stavrakakis | if network.public:
|
265 | cb66110b | Christos Stavrakakis | raise faults.Forbidden("Can not connect to public network") |
266 | cb66110b | Christos Stavrakakis | if network.dhcp:
|
267 | cb66110b | Christos Stavrakakis | address = util.get_network_free_address(network) |
268 | cb66110b | Christos Stavrakakis | attachments.append((network, address)) |
269 | cb66110b | Christos Stavrakakis | |
270 | cb66110b | Christos Stavrakakis | nics = [] |
271 | cb66110b | Christos Stavrakakis | for index, (network, address) in enumerate(attachments): |
272 | cb66110b | Christos Stavrakakis | # Create VM's public NIC. Do not wait notification form ganeti
|
273 | cb66110b | Christos Stavrakakis | # hooks to create this NIC, because if the hooks never run (e.g.
|
274 | cb66110b | Christos Stavrakakis | # building error) the VM's public IP address will never be
|
275 | cb66110b | Christos Stavrakakis | # released!
|
276 | cb66110b | Christos Stavrakakis | nic = NetworkInterface.objects.create(machine=vm, network=network, |
277 | cb66110b | Christos Stavrakakis | index=index, ipv4=address, |
278 | cb66110b | Christos Stavrakakis | state="BUILDING")
|
279 | cb66110b | Christos Stavrakakis | nics.append(nic) |
280 | cb66110b | Christos Stavrakakis | return nics
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281 | cb66110b | Christos Stavrakakis | |
282 | cb66110b | Christos Stavrakakis | |
283 | 41a7fae7 | Christos Stavrakakis | @server_command("DESTROY") |
284 | 41a7fae7 | Christos Stavrakakis | def destroy(vm): |
285 | 41a7fae7 | Christos Stavrakakis | log.info("Deleting VM %s", vm)
|
286 | 41a7fae7 | Christos Stavrakakis | return backend.delete_instance(vm)
|
287 | 41a7fae7 | Christos Stavrakakis | |
288 | 41a7fae7 | Christos Stavrakakis | |
289 | 41a7fae7 | Christos Stavrakakis | @server_command("START") |
290 | 41a7fae7 | Christos Stavrakakis | def start(vm): |
291 | 41a7fae7 | Christos Stavrakakis | log.info("Starting VM %s", vm)
|
292 | 41a7fae7 | Christos Stavrakakis | return backend.startup_instance(vm)
|
293 | 41a7fae7 | Christos Stavrakakis | |
294 | 41a7fae7 | Christos Stavrakakis | |
295 | 41a7fae7 | Christos Stavrakakis | @server_command("STOP") |
296 | 41a7fae7 | Christos Stavrakakis | def stop(vm): |
297 | 41a7fae7 | Christos Stavrakakis | log.info("Stopping VM %s", vm)
|
298 | 41a7fae7 | Christos Stavrakakis | return backend.shutdown_instance(vm)
|
299 | 41a7fae7 | Christos Stavrakakis | |
300 | 41a7fae7 | Christos Stavrakakis | |
301 | 41a7fae7 | Christos Stavrakakis | @server_command("REBOOT") |
302 | 41a7fae7 | Christos Stavrakakis | def reboot(vm, reboot_type): |
303 | 41a7fae7 | Christos Stavrakakis | if reboot_type not in ("SOFT", "HARD"): |
304 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Malformed request. Invalid reboot" |
305 | 41a7fae7 | Christos Stavrakakis | " type %s" % reboot_type)
|
306 | 41a7fae7 | Christos Stavrakakis | log.info("Rebooting VM %s. Type %s", vm, reboot_type)
|
307 | 41a7fae7 | Christos Stavrakakis | |
308 | 41a7fae7 | Christos Stavrakakis | return backend.reboot_instance(vm, reboot_type.lower())
|
309 | 41a7fae7 | Christos Stavrakakis | |
310 | 41a7fae7 | Christos Stavrakakis | |
311 | 41a7fae7 | Christos Stavrakakis | @server_command("RESIZE") |
312 | 41a7fae7 | Christos Stavrakakis | def resize(vm, flavor): |
313 | 41a7fae7 | Christos Stavrakakis | old_flavor = vm.flavor |
314 | 41a7fae7 | Christos Stavrakakis | # User requested the same flavor
|
315 | 41a7fae7 | Christos Stavrakakis | if old_flavor.id == flavor.id:
|
316 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' flavor is already '%s'." |
317 | 41a7fae7 | Christos Stavrakakis | % (vm, flavor)) |
318 | 41a7fae7 | Christos Stavrakakis | return None |
319 | 41a7fae7 | Christos Stavrakakis | # Check that resize can be performed
|
320 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk != flavor.disk:
|
321 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not resize instance disk.") |
322 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk_template != flavor.disk_template:
|
323 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not change instance disk template.") |
324 | 41a7fae7 | Christos Stavrakakis | |
325 | 41a7fae7 | Christos Stavrakakis | log.info("Resizing VM from flavor '%s' to '%s", old_flavor, flavor)
|
326 | 41a7fae7 | Christos Stavrakakis | commission_info = {"cyclades.cpu": flavor.cpu - old_flavor.cpu,
|
327 | f05a25af | Christos Stavrakakis | "cyclades.ram": 1048576 * (flavor.ram - old_flavor.ram)} |
328 | 41a7fae7 | Christos Stavrakakis | # Save serial to VM, since it is needed by server_command decorator
|
329 | 41a7fae7 | Christos Stavrakakis | vm.serial = quotas.issue_commission(user=vm.userid, |
330 | 41a7fae7 | Christos Stavrakakis | source=quotas.DEFAULT_SOURCE, |
331 | 9122ffab | Christos Stavrakakis | provisions=commission_info, |
332 | 9122ffab | Christos Stavrakakis | name="resource: %s. resize" % vm)
|
333 | 41a7fae7 | Christos Stavrakakis | return backend.resize_instance(vm, vcpus=flavor.cpu, memory=flavor.ram)
|
334 | 41a7fae7 | Christos Stavrakakis | |
335 | 41a7fae7 | Christos Stavrakakis | |
336 | 41a7fae7 | Christos Stavrakakis | @server_command("SET_FIREWALL_PROFILE") |
337 | b2791a77 | Christos Stavrakakis | def set_firewall_profile(vm, profile, index=0): |
338 | b2791a77 | Christos Stavrakakis | log.info("Setting VM %s, NIC index %s, firewall %s", vm, index, profile)
|
339 | 41a7fae7 | Christos Stavrakakis | |
340 | 41a7fae7 | Christos Stavrakakis | if profile not in [x[0] for x in NetworkInterface.FIREWALL_PROFILES]: |
341 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Unsupported firewall profile") |
342 | b2791a77 | Christos Stavrakakis | backend.set_firewall_profile(vm, profile=profile, index=index) |
343 | 41a7fae7 | Christos Stavrakakis | return None |
344 | 41a7fae7 | Christos Stavrakakis | |
345 | 41a7fae7 | Christos Stavrakakis | |
346 | 41a7fae7 | Christos Stavrakakis | @server_command("CONNECT") |
347 | 41a7fae7 | Christos Stavrakakis | def connect(vm, network): |
348 | 41a7fae7 | Christos Stavrakakis | if network.state != 'ACTIVE': |
349 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress('Network not active yet') |
350 | 41a7fae7 | Christos Stavrakakis | |
351 | 41a7fae7 | Christos Stavrakakis | address = None
|
352 | 5aeb4e93 | Christos Stavrakakis | if network.subnet is not None and network.dhcp: |
353 | 41a7fae7 | Christos Stavrakakis | # Get a free IP from the address pool.
|
354 | 34c03a51 | Christos Stavrakakis | address = util.get_network_free_address(network) |
355 | 41a7fae7 | Christos Stavrakakis | |
356 | 41a7fae7 | Christos Stavrakakis | log.info("Connecting VM %s to Network %s(%s)", vm, network, address)
|
357 | 41a7fae7 | Christos Stavrakakis | |
358 | 2a2b01e5 | Christos Stavrakakis | nic = NetworkInterface.objects.create(machine=vm, |
359 | 2a2b01e5 | Christos Stavrakakis | network=network, |
360 | 2a2b01e5 | Christos Stavrakakis | ipv4=address, |
361 | 2a2b01e5 | Christos Stavrakakis | state="BUILDING")
|
362 | 2a2b01e5 | Christos Stavrakakis | |
363 | 2a2b01e5 | Christos Stavrakakis | return backend.connect_to_network(vm, nic)
|
364 | 41a7fae7 | Christos Stavrakakis | |
365 | 41a7fae7 | Christos Stavrakakis | |
366 | 41a7fae7 | Christos Stavrakakis | @server_command("DISCONNECT") |
367 | 41a7fae7 | Christos Stavrakakis | def disconnect(vm, nic_index): |
368 | 41a7fae7 | Christos Stavrakakis | nic = util.get_nic_from_index(vm, nic_index) |
369 | 41a7fae7 | Christos Stavrakakis | |
370 | 41a7fae7 | Christos Stavrakakis | log.info("Removing NIC %s from VM %s", str(nic.index), vm) |
371 | 41a7fae7 | Christos Stavrakakis | |
372 | 41a7fae7 | Christos Stavrakakis | if nic.dirty:
|
373 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress('Machine is busy.') |
374 | 41a7fae7 | Christos Stavrakakis | else:
|
375 | 41a7fae7 | Christos Stavrakakis | vm.nics.all().update(dirty=True)
|
376 | 41a7fae7 | Christos Stavrakakis | |
377 | 41a7fae7 | Christos Stavrakakis | return backend.disconnect_from_network(vm, nic)
|
378 | 41a7fae7 | Christos Stavrakakis | |
379 | 41a7fae7 | Christos Stavrakakis | |
380 | 41a7fae7 | Christos Stavrakakis | def console(vm, console_type): |
381 | 41a7fae7 | Christos Stavrakakis | """Arrange for an OOB console of the specified type
|
382 | 41a7fae7 | Christos Stavrakakis |
|
383 | 41a7fae7 | Christos Stavrakakis | This method arranges for an OOB console of the specified type.
|
384 | 41a7fae7 | Christos Stavrakakis | Only consoles of type "vnc" are supported for now.
|
385 | 41a7fae7 | Christos Stavrakakis |
|
386 | 41a7fae7 | Christos Stavrakakis | It uses a running instance of vncauthproxy to setup proper
|
387 | 41a7fae7 | Christos Stavrakakis | VNC forwarding with a random password, then returns the necessary
|
388 | 41a7fae7 | Christos Stavrakakis | VNC connection info to the caller.
|
389 | 41a7fae7 | Christos Stavrakakis |
|
390 | 41a7fae7 | Christos Stavrakakis | """
|
391 | 41a7fae7 | Christos Stavrakakis | log.info("Get console VM %s, type %s", vm, console_type)
|
392 | 41a7fae7 | Christos Stavrakakis | |
393 | 41a7fae7 | Christos Stavrakakis | # Use RAPI to get VNC console information for this instance
|
394 | 41a7fae7 | Christos Stavrakakis | if vm.operstate != "STARTED": |
395 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest('Server not in ACTIVE state.') |
396 | 41a7fae7 | Christos Stavrakakis | |
397 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
398 | 41a7fae7 | Christos Stavrakakis | console_data = {'kind': 'vnc', 'host': 'ganeti_node', 'port': 1000} |
399 | 41a7fae7 | Christos Stavrakakis | else:
|
400 | 41a7fae7 | Christos Stavrakakis | console_data = backend.get_instance_console(vm) |
401 | 41a7fae7 | Christos Stavrakakis | |
402 | 41a7fae7 | Christos Stavrakakis | if console_data['kind'] != 'vnc': |
403 | 41a7fae7 | Christos Stavrakakis | message = 'got console of kind %s, not "vnc"' % console_data['kind'] |
404 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable(message)
|
405 | 41a7fae7 | Christos Stavrakakis | |
406 | 41a7fae7 | Christos Stavrakakis | # Let vncauthproxy decide on the source port.
|
407 | 41a7fae7 | Christos Stavrakakis | # The alternative: static allocation, e.g.
|
408 | 41a7fae7 | Christos Stavrakakis | # sport = console_data['port'] - 1000
|
409 | 41a7fae7 | Christos Stavrakakis | sport = 0
|
410 | 41a7fae7 | Christos Stavrakakis | daddr = console_data['host']
|
411 | 41a7fae7 | Christos Stavrakakis | dport = console_data['port']
|
412 | 41a7fae7 | Christos Stavrakakis | password = util.random_password() |
413 | 41a7fae7 | Christos Stavrakakis | |
414 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
415 | 41a7fae7 | Christos Stavrakakis | fwd = {'source_port': 1234, 'status': 'OK'} |
416 | 41a7fae7 | Christos Stavrakakis | else:
|
417 | 41a7fae7 | Christos Stavrakakis | fwd = request_vnc_forwarding(sport, daddr, dport, password) |
418 | 41a7fae7 | Christos Stavrakakis | |
419 | 41a7fae7 | Christos Stavrakakis | if fwd['status'] != "OK": |
420 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('vncauthproxy returned error status') |
421 | 41a7fae7 | Christos Stavrakakis | |
422 | 41a7fae7 | Christos Stavrakakis | # Verify that the VNC server settings haven't changed
|
423 | 41a7fae7 | Christos Stavrakakis | if not settings.TEST: |
424 | 41a7fae7 | Christos Stavrakakis | if console_data != backend.get_instance_console(vm):
|
425 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('VNC Server settings changed.') |
426 | 41a7fae7 | Christos Stavrakakis | |
427 | 41a7fae7 | Christos Stavrakakis | console = { |
428 | 41a7fae7 | Christos Stavrakakis | 'type': 'vnc', |
429 | 41a7fae7 | Christos Stavrakakis | 'host': getfqdn(),
|
430 | 41a7fae7 | Christos Stavrakakis | 'port': fwd['source_port'], |
431 | 41a7fae7 | Christos Stavrakakis | 'password': password}
|
432 | 41a7fae7 | Christos Stavrakakis | |
433 | 41a7fae7 | Christos Stavrakakis | return console
|
434 | 9ba6bb95 | Christos Stavrakakis | |
435 | 9ba6bb95 | Christos Stavrakakis | |
436 | f8675683 | Christos Stavrakakis | @server_command("CONNECT") |
437 | 9ba6bb95 | Christos Stavrakakis | def add_floating_ip(vm, address): |
438 | 816d7588 | Christos Stavrakakis | floating_ip = add_floating_ip_to_vm(vm, address) |
439 | 2a2b01e5 | Christos Stavrakakis | nic = NetworkInterface.objects.create(machine=vm, |
440 | 2a2b01e5 | Christos Stavrakakis | network=floating_ip.network, |
441 | 2a2b01e5 | Christos Stavrakakis | ipv4=floating_ip.ipv4, |
442 | 2a2b01e5 | Christos Stavrakakis | state="BUILDING")
|
443 | 2a2b01e5 | Christos Stavrakakis | log.info("Connecting VM %s to floating IP %s. NIC: %s", vm, floating_ip,
|
444 | 2a2b01e5 | Christos Stavrakakis | nic) |
445 | 2a2b01e5 | Christos Stavrakakis | return backend.connect_to_network(vm, nic)
|
446 | 816d7588 | Christos Stavrakakis | |
447 | 816d7588 | Christos Stavrakakis | |
448 | 816d7588 | Christos Stavrakakis | def add_floating_ip_to_vm(vm, address): |
449 | 816d7588 | Christos Stavrakakis | """Get a floating IP by it's address and add it to VirtualMachine.
|
450 | 816d7588 | Christos Stavrakakis |
|
451 | 816d7588 | Christos Stavrakakis | Helper function for looking up a FloatingIP by it's address and associating
|
452 | 816d7588 | Christos Stavrakakis | it with a VirtualMachine object (without adding the NIC in the Ganeti
|
453 | 816d7588 | Christos Stavrakakis | backend!). This function also checks if the floating IP is currently used
|
454 | 816d7588 | Christos Stavrakakis | by any instance and if it is available in the Backend that hosts the VM.
|
455 | 816d7588 | Christos Stavrakakis |
|
456 | 816d7588 | Christos Stavrakakis | """
|
457 | 9ba6bb95 | Christos Stavrakakis | user_id = vm.userid |
458 | 9ba6bb95 | Christos Stavrakakis | try:
|
459 | 816d7588 | Christos Stavrakakis | # Get lock in VM, to guarantee that floating IP will only by assigned
|
460 | 816d7588 | Christos Stavrakakis | # once
|
461 | 9ba6bb95 | Christos Stavrakakis | floating_ip = FloatingIP.objects.select_for_update()\ |
462 | 9ba6bb95 | Christos Stavrakakis | .get(userid=user_id, ipv4=address, |
463 | 9ba6bb95 | Christos Stavrakakis | deleted=False)
|
464 | 9ba6bb95 | Christos Stavrakakis | except FloatingIP.DoesNotExist:
|
465 | 9ba6bb95 | Christos Stavrakakis | raise faults.ItemNotFound("Floating IP '%s' does not exist" % address) |
466 | 9ba6bb95 | Christos Stavrakakis | |
467 | 9ba6bb95 | Christos Stavrakakis | if floating_ip.in_use():
|
468 | 9ba6bb95 | Christos Stavrakakis | raise faults.Conflict("Floating IP '%s' already in use" % |
469 | 9ba6bb95 | Christos Stavrakakis | floating_ip.id) |
470 | 9ba6bb95 | Christos Stavrakakis | |
471 | e7f74e7d | Christos Stavrakakis | bnet = floating_ip.network.backend_networks.filter(backend=vm.backend_id) |
472 | e7f74e7d | Christos Stavrakakis | if not bnet.exists(): |
473 | e7f74e7d | Christos Stavrakakis | msg = "Network '%s' is a floating IP pool, but it not connected"\
|
474 | e7f74e7d | Christos Stavrakakis | " to backend '%s'" % (floating_ip.network, vm.backend)
|
475 | e7f74e7d | Christos Stavrakakis | raise faults.ServiceUnavailable(msg)
|
476 | e7f74e7d | Christos Stavrakakis | |
477 | 9ba6bb95 | Christos Stavrakakis | floating_ip.machine = vm |
478 | 9ba6bb95 | Christos Stavrakakis | floating_ip.save() |
479 | 816d7588 | Christos Stavrakakis | return floating_ip
|
480 | 9ba6bb95 | Christos Stavrakakis | |
481 | 9ba6bb95 | Christos Stavrakakis | |
482 | f8675683 | Christos Stavrakakis | @server_command("DISCONNECT") |
483 | 9ba6bb95 | Christos Stavrakakis | def remove_floating_ip(vm, address): |
484 | 9ba6bb95 | Christos Stavrakakis | user_id = vm.userid |
485 | 9ba6bb95 | Christos Stavrakakis | try:
|
486 | 9ba6bb95 | Christos Stavrakakis | floating_ip = FloatingIP.objects.select_for_update()\ |
487 | 9ba6bb95 | Christos Stavrakakis | .get(userid=user_id, ipv4=address, |
488 | 9ba6bb95 | Christos Stavrakakis | deleted=False, machine=vm)
|
489 | 9ba6bb95 | Christos Stavrakakis | except FloatingIP.DoesNotExist:
|
490 | 9ba6bb95 | Christos Stavrakakis | raise faults.ItemNotFound("Floating IP '%s' does not exist" % address) |
491 | 9ba6bb95 | Christos Stavrakakis | |
492 | 9ba6bb95 | Christos Stavrakakis | try:
|
493 | 9ba6bb95 | Christos Stavrakakis | nic = NetworkInterface.objects.get(machine=vm, ipv4=address) |
494 | 9ba6bb95 | Christos Stavrakakis | except NetworkInterface.DoesNotExist:
|
495 | 9ba6bb95 | Christos Stavrakakis | raise faults.ItemNotFound("Floating IP '%s' is not attached to" |
496 | 9ba6bb95 | Christos Stavrakakis | "VM '%s'" % (floating_ip, vm))
|
497 | 9ba6bb95 | Christos Stavrakakis | |
498 | 9ba6bb95 | Christos Stavrakakis | log.info("Removing NIC %s from VM %s. Floating IP '%s'", str(nic.index), |
499 | 9ba6bb95 | Christos Stavrakakis | vm, floating_ip) |
500 | 9ba6bb95 | Christos Stavrakakis | |
501 | 9ba6bb95 | Christos Stavrakakis | return backend.disconnect_from_network(vm, nic) |