root / snf-cyclades-app / synnefo / logic / servers.py @ 3f18f035
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1 | 41a7fae7 | Christos Stavrakakis | import logging |
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2 | 41a7fae7 | Christos Stavrakakis | |
3 | 41a7fae7 | Christos Stavrakakis | from socket import getfqdn |
4 | 41a7fae7 | Christos Stavrakakis | from functools import wraps |
5 | 41a7fae7 | Christos Stavrakakis | from django import dispatch |
6 | 41a7fae7 | Christos Stavrakakis | from django.db import transaction |
7 | 41a7fae7 | Christos Stavrakakis | from django.utils import simplejson as json |
8 | 41a7fae7 | Christos Stavrakakis | |
9 | 41a7fae7 | Christos Stavrakakis | from snf_django.lib.api import faults |
10 | 0c09b1c0 | Christos Stavrakakis | from django.conf import settings |
11 | 41a7fae7 | Christos Stavrakakis | from synnefo import quotas |
12 | 41a7fae7 | Christos Stavrakakis | from synnefo.api import util |
13 | 41a7fae7 | Christos Stavrakakis | from synnefo.logic import backend |
14 | 41a7fae7 | Christos Stavrakakis | from synnefo.logic.backend_allocator import BackendAllocator |
15 | fae6e5f0 | Christos Stavrakakis | from synnefo.db import pools |
16 | 710b1c43 | Christos Stavrakakis | from synnefo.db.models import (NetworkInterface, VirtualMachine, |
17 | fae6e5f0 | Christos Stavrakakis | VirtualMachineMetadata, IPAddressLog) |
18 | 41a7fae7 | Christos Stavrakakis | from vncauthproxy.client import request_forwarding as request_vnc_forwarding |
19 | 41a7fae7 | Christos Stavrakakis | |
20 | 41a7fae7 | Christos Stavrakakis | log = logging.getLogger(__name__) |
21 | 41a7fae7 | Christos Stavrakakis | |
22 | 41a7fae7 | Christos Stavrakakis | # server creation signal
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23 | 41a7fae7 | Christos Stavrakakis | server_created = dispatch.Signal(providing_args=["created_vm_params"])
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24 | 41a7fae7 | Christos Stavrakakis | |
25 | 41a7fae7 | Christos Stavrakakis | |
26 | 41a7fae7 | Christos Stavrakakis | def validate_server_action(vm, action): |
27 | 41a7fae7 | Christos Stavrakakis | if vm.deleted:
|
28 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' has been deleted." % vm.id) |
29 | 41a7fae7 | Christos Stavrakakis | |
30 | 41a7fae7 | Christos Stavrakakis | # Destroyin a server should always be permitted
|
31 | 41a7fae7 | Christos Stavrakakis | if action == "DESTROY": |
32 | 41a7fae7 | Christos Stavrakakis | return
|
33 | 41a7fae7 | Christos Stavrakakis | |
34 | 41a7fae7 | Christos Stavrakakis | # Check that there is no pending action
|
35 | 41a7fae7 | Christos Stavrakakis | pending_action = vm.task |
36 | 41a7fae7 | Christos Stavrakakis | if pending_action:
|
37 | 41a7fae7 | Christos Stavrakakis | if pending_action == "BUILD": |
38 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
39 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not perform '%s' action while there is a" |
40 | 41a7fae7 | Christos Stavrakakis | " pending '%s'." % (action, pending_action))
|
41 | 41a7fae7 | Christos Stavrakakis | |
42 | 41a7fae7 | Christos Stavrakakis | # Check if action can be performed to VM's operstate
|
43 | 41a7fae7 | Christos Stavrakakis | operstate = vm.operstate |
44 | 562bf712 | Christos Stavrakakis | if operstate == "BUILD" and action != "BUILD": |
45 | 41a7fae7 | Christos Stavrakakis | raise faults.BuildInProgress("Server '%s' is being build." % vm.id) |
46 | 9599e997 | Christos Stavrakakis | elif (action == "START" and operstate != "STOPPED") or\ |
47 | 9599e997 | Christos Stavrakakis | (action == "STOP" and operstate != "STARTED") or\ |
48 | 9599e997 | Christos Stavrakakis | (action == "RESIZE" and operstate != "STOPPED") or\ |
49 | 9599e997 | Christos Stavrakakis | (action in ["CONNECT", "DISCONNECT"] and operstate != "STOPPED" |
50 | 9599e997 | Christos Stavrakakis | and not settings.GANETI_USE_HOTPLUG): |
51 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not perform '%s' action while server is" |
52 | 41a7fae7 | Christos Stavrakakis | " in '%s' state." % (action, operstate))
|
53 | 41a7fae7 | Christos Stavrakakis | return
|
54 | 41a7fae7 | Christos Stavrakakis | |
55 | 41a7fae7 | Christos Stavrakakis | |
56 | 41a7fae7 | Christos Stavrakakis | def server_command(action): |
57 | 41a7fae7 | Christos Stavrakakis | """Handle execution of a server action.
|
58 | 41a7fae7 | Christos Stavrakakis |
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59 | 41a7fae7 | Christos Stavrakakis | Helper function to validate and execute a server action, handle quota
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60 | 41a7fae7 | Christos Stavrakakis | commission and update the 'task' of the VM in the DB.
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61 | 41a7fae7 | Christos Stavrakakis |
|
62 | 41a7fae7 | Christos Stavrakakis | 1) Check if action can be performed. If it can, then there must be no
|
63 | 41a7fae7 | Christos Stavrakakis | pending task (with the exception of DESTROY).
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64 | 41a7fae7 | Christos Stavrakakis | 2) Handle previous commission if unresolved:
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65 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and it to accept, then accept
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66 | 41a7fae7 | Christos Stavrakakis | * If it is not pending and to reject or is pending then reject it. Since
|
67 | 41a7fae7 | Christos Stavrakakis | the action can be performed only if there is no pending task, then there
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68 | 41a7fae7 | Christos Stavrakakis | can be no pending commission. The exception is DESTROY, but in this case
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69 | 41a7fae7 | Christos Stavrakakis | the commission can safely be rejected, and the dispatcher will generate
|
70 | 41a7fae7 | Christos Stavrakakis | the correct ones!
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71 | 41a7fae7 | Christos Stavrakakis | 3) Issue new commission and associate it with the VM. Also clear the task.
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72 | 41a7fae7 | Christos Stavrakakis | 4) Send job to ganeti
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73 | 41a7fae7 | Christos Stavrakakis | 5) Update task and commit
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74 | 41a7fae7 | Christos Stavrakakis | """
|
75 | 41a7fae7 | Christos Stavrakakis | def decorator(func): |
76 | 41a7fae7 | Christos Stavrakakis | @wraps(func)
|
77 | 41a7fae7 | Christos Stavrakakis | @transaction.commit_on_success
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78 | 41a7fae7 | Christos Stavrakakis | def wrapper(vm, *args, **kwargs): |
79 | 41a7fae7 | Christos Stavrakakis | user_id = vm.userid |
80 | 41a7fae7 | Christos Stavrakakis | validate_server_action(vm, action) |
81 | c9fefba3 | Christos Stavrakakis | vm.action = action |
82 | 41a7fae7 | Christos Stavrakakis | |
83 | 5c8076b6 | Christos Stavrakakis | commission_name = "client: api, resource: %s" % vm
|
84 | 5c8076b6 | Christos Stavrakakis | quotas.handle_resource_commission(vm, action=action, |
85 | 5c8076b6 | Christos Stavrakakis | commission_name=commission_name) |
86 | 5c8076b6 | Christos Stavrakakis | vm.save() |
87 | 41a7fae7 | Christos Stavrakakis | |
88 | 562bf712 | Christos Stavrakakis | # XXX: Special case for server creation!
|
89 | 562bf712 | Christos Stavrakakis | if action == "BUILD": |
90 | 562bf712 | Christos Stavrakakis | # Perform a commit, because the VirtualMachine must be saved to
|
91 | 562bf712 | Christos Stavrakakis | # DB before the OP_INSTANCE_CREATE job in enqueued in Ganeti.
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92 | 562bf712 | Christos Stavrakakis | # Otherwise, messages will arrive from snf-dispatcher about
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93 | 562bf712 | Christos Stavrakakis | # this instance, before the VM is stored in DB.
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94 | 562bf712 | Christos Stavrakakis | transaction.commit() |
95 | 562bf712 | Christos Stavrakakis | # After committing the locks are released. Refetch the instance
|
96 | 562bf712 | Christos Stavrakakis | # to guarantee x-lock.
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97 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.select_for_update().get(id=vm.id) |
98 | 562bf712 | Christos Stavrakakis | |
99 | 41a7fae7 | Christos Stavrakakis | # Send the job to Ganeti and get the associated jobID
|
100 | 41a7fae7 | Christos Stavrakakis | try:
|
101 | 41a7fae7 | Christos Stavrakakis | job_id = func(vm, *args, **kwargs) |
102 | 41a7fae7 | Christos Stavrakakis | except Exception as e: |
103 | 41a7fae7 | Christos Stavrakakis | if vm.serial is not None: |
104 | 41a7fae7 | Christos Stavrakakis | # Since the job never reached Ganeti, reject the commission
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105 | 41a7fae7 | Christos Stavrakakis | log.debug("Rejecting commission: '%s', could not perform"
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106 | 41a7fae7 | Christos Stavrakakis | " action '%s': %s" % (vm.serial, action, e))
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107 | 41a7fae7 | Christos Stavrakakis | transaction.rollback() |
108 | 41a7fae7 | Christos Stavrakakis | quotas.reject_serial(vm.serial) |
109 | 41a7fae7 | Christos Stavrakakis | transaction.commit() |
110 | 41a7fae7 | Christos Stavrakakis | raise
|
111 | 41a7fae7 | Christos Stavrakakis | |
112 | 88fd91af | Christos Stavrakakis | if action == "BUILD" and vm.serial is not None: |
113 | 88fd91af | Christos Stavrakakis | # XXX: Special case for server creation: we must accept the
|
114 | 88fd91af | Christos Stavrakakis | # commission because the VM has been stored in DB. Also, if
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115 | 88fd91af | Christos Stavrakakis | # communication with Ganeti fails, the job will never reach
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116 | 88fd91af | Christos Stavrakakis | # Ganeti, and the commission will never be resolved.
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117 | 88fd91af | Christos Stavrakakis | quotas.accept_serial(vm.serial) |
118 | 88fd91af | Christos Stavrakakis | |
119 | 41a7fae7 | Christos Stavrakakis | log.info("user: %s, vm: %s, action: %s, job_id: %s, serial: %s",
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120 | 41a7fae7 | Christos Stavrakakis | user_id, vm.id, action, job_id, vm.serial) |
121 | 41a7fae7 | Christos Stavrakakis | |
122 | 41a7fae7 | Christos Stavrakakis | # store the new task in the VM
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123 | 41a7fae7 | Christos Stavrakakis | if job_id is not None: |
124 | 41a7fae7 | Christos Stavrakakis | vm.task = action |
125 | 41a7fae7 | Christos Stavrakakis | vm.task_job_id = job_id |
126 | 41a7fae7 | Christos Stavrakakis | vm.save() |
127 | 41a7fae7 | Christos Stavrakakis | |
128 | 41a7fae7 | Christos Stavrakakis | return vm
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129 | 41a7fae7 | Christos Stavrakakis | return wrapper
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130 | 41a7fae7 | Christos Stavrakakis | return decorator
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131 | 41a7fae7 | Christos Stavrakakis | |
132 | 41a7fae7 | Christos Stavrakakis | |
133 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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134 | 41a7fae7 | Christos Stavrakakis | def create(userid, name, password, flavor, image, metadata={}, |
135 | 99988465 | Christos Stavrakakis | personality=[], networks=None, floating_ips=None, |
136 | 5aeb4e93 | Christos Stavrakakis | use_backend=None):
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137 | 41a7fae7 | Christos Stavrakakis | if use_backend is None: |
138 | 562bf712 | Christos Stavrakakis | # Allocate server to a Ganeti backend
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139 | 562bf712 | Christos Stavrakakis | use_backend = allocate_new_server(userid, flavor) |
140 | 41a7fae7 | Christos Stavrakakis | |
141 | 99988465 | Christos Stavrakakis | if networks is None: |
142 | 99988465 | Christos Stavrakakis | networks = [] |
143 | 6193628f | Christos Stavrakakis | if floating_ips is None: |
144 | 6193628f | Christos Stavrakakis | floating_ips = [] |
145 | 6193628f | Christos Stavrakakis | |
146 | 41a7fae7 | Christos Stavrakakis | # Fix flavor for archipelago
|
147 | 41a7fae7 | Christos Stavrakakis | disk_template, provider = util.get_flavor_provider(flavor) |
148 | 41a7fae7 | Christos Stavrakakis | if provider:
|
149 | 41a7fae7 | Christos Stavrakakis | flavor.disk_template = disk_template |
150 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = provider |
151 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = None
|
152 | 41a7fae7 | Christos Stavrakakis | if provider == 'vlmc': |
153 | 41a7fae7 | Christos Stavrakakis | flavor.disk_origin = image['checksum']
|
154 | 41a7fae7 | Christos Stavrakakis | image['backend_id'] = 'null' |
155 | 41a7fae7 | Christos Stavrakakis | else:
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156 | 41a7fae7 | Christos Stavrakakis | flavor.disk_provider = None
|
157 | 41a7fae7 | Christos Stavrakakis | |
158 | 562bf712 | Christos Stavrakakis | # We must save the VM instance now, so that it gets a valid
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159 | 562bf712 | Christos Stavrakakis | # vm.backend_vm_id.
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160 | 562bf712 | Christos Stavrakakis | vm = VirtualMachine.objects.create(name=name, |
161 | 562bf712 | Christos Stavrakakis | backend=use_backend, |
162 | 562bf712 | Christos Stavrakakis | userid=userid, |
163 | 562bf712 | Christos Stavrakakis | imageid=image["id"],
|
164 | 562bf712 | Christos Stavrakakis | flavor=flavor, |
165 | 562bf712 | Christos Stavrakakis | operstate="BUILD")
|
166 | 562bf712 | Christos Stavrakakis | log.info("Created entry in DB for VM '%s'", vm)
|
167 | 562bf712 | Christos Stavrakakis | |
168 | 99988465 | Christos Stavrakakis | nics = create_instance_nics(vm, userid, networks, floating_ips) |
169 | 562bf712 | Christos Stavrakakis | |
170 | 562bf712 | Christos Stavrakakis | for key, val in metadata.items(): |
171 | 562bf712 | Christos Stavrakakis | VirtualMachineMetadata.objects.create( |
172 | 562bf712 | Christos Stavrakakis | meta_key=key, |
173 | 562bf712 | Christos Stavrakakis | meta_value=val, |
174 | 562bf712 | Christos Stavrakakis | vm=vm) |
175 | 41a7fae7 | Christos Stavrakakis | |
176 | 88fd91af | Christos Stavrakakis | # Create the server in Ganeti.
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177 | e5e62972 | Giorgos Korfiatis | vm = create_server(vm, nics, flavor, image, personality, password) |
178 | 41a7fae7 | Christos Stavrakakis | |
179 | 41a7fae7 | Christos Stavrakakis | return vm
|
180 | 41a7fae7 | Christos Stavrakakis | |
181 | 41a7fae7 | Christos Stavrakakis | |
182 | 562bf712 | Christos Stavrakakis | @transaction.commit_on_success
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183 | 562bf712 | Christos Stavrakakis | def allocate_new_server(userid, flavor): |
184 | 562bf712 | Christos Stavrakakis | """Allocate a new server to a Ganeti backend.
|
185 | 562bf712 | Christos Stavrakakis |
|
186 | 562bf712 | Christos Stavrakakis | Allocation is performed based on the owner of the server and the specified
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187 | 562bf712 | Christos Stavrakakis | flavor. Also, backends that do not have a public IPv4 address are excluded
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188 | 562bf712 | Christos Stavrakakis | from server allocation.
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189 | 562bf712 | Christos Stavrakakis |
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190 | 562bf712 | Christos Stavrakakis | This function runs inside a transaction, because after allocating the
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191 | 562bf712 | Christos Stavrakakis | instance a commit must be performed in order to release all locks.
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192 | 562bf712 | Christos Stavrakakis |
|
193 | 562bf712 | Christos Stavrakakis | """
|
194 | 562bf712 | Christos Stavrakakis | backend_allocator = BackendAllocator() |
195 | 562bf712 | Christos Stavrakakis | use_backend = backend_allocator.allocate(userid, flavor) |
196 | 562bf712 | Christos Stavrakakis | if use_backend is None: |
197 | 562bf712 | Christos Stavrakakis | log.error("No available backend for VM with flavor %s", flavor)
|
198 | 562bf712 | Christos Stavrakakis | raise faults.ServiceUnavailable("No available backends") |
199 | 562bf712 | Christos Stavrakakis | return use_backend
|
200 | 562bf712 | Christos Stavrakakis | |
201 | 562bf712 | Christos Stavrakakis | |
202 | 562bf712 | Christos Stavrakakis | @server_command("BUILD") |
203 | 562bf712 | Christos Stavrakakis | def create_server(vm, nics, flavor, image, personality, password): |
204 | 562bf712 | Christos Stavrakakis | # dispatch server created signal needed to trigger the 'vmapi', which
|
205 | 562bf712 | Christos Stavrakakis | # enriches the vm object with the 'config_url' attribute which must be
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206 | 562bf712 | Christos Stavrakakis | # passed to the Ganeti job.
|
207 | 562bf712 | Christos Stavrakakis | server_created.send(sender=vm, created_vm_params={ |
208 | 562bf712 | Christos Stavrakakis | 'img_id': image['backend_id'], |
209 | 562bf712 | Christos Stavrakakis | 'img_passwd': password,
|
210 | 562bf712 | Christos Stavrakakis | 'img_format': str(image['format']), |
211 | 562bf712 | Christos Stavrakakis | 'img_personality': json.dumps(personality),
|
212 | 562bf712 | Christos Stavrakakis | 'img_properties': json.dumps(image['metadata']), |
213 | 562bf712 | Christos Stavrakakis | }) |
214 | 562bf712 | Christos Stavrakakis | # send job to Ganeti
|
215 | 88fd91af | Christos Stavrakakis | try:
|
216 | 88fd91af | Christos Stavrakakis | jobID = backend.create_instance(vm, nics, flavor, image) |
217 | 88fd91af | Christos Stavrakakis | except:
|
218 | 88fd91af | Christos Stavrakakis | log.exception("Failed create instance '%s'", vm)
|
219 | 88fd91af | Christos Stavrakakis | jobID = None
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220 | 88fd91af | Christos Stavrakakis | vm.operstate = "ERROR"
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221 | 88fd91af | Christos Stavrakakis | vm.backendlogmsg = "Failed to send job to Ganeti."
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222 | 88fd91af | Christos Stavrakakis | vm.save() |
223 | 88fd91af | Christos Stavrakakis | vm.nics.all().update(state="ERROR")
|
224 | 88fd91af | Christos Stavrakakis | |
225 | 562bf712 | Christos Stavrakakis | # At this point the job is enqueued in the Ganeti backend
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226 | 562bf712 | Christos Stavrakakis | vm.backendjobid = jobID |
227 | 562bf712 | Christos Stavrakakis | vm.save() |
228 | 562bf712 | Christos Stavrakakis | log.info("User %s created VM %s, NICs %s, Backend %s, JobID %s",
|
229 | 562bf712 | Christos Stavrakakis | vm.userid, vm, nics, backend, str(jobID))
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230 | 562bf712 | Christos Stavrakakis | |
231 | 562bf712 | Christos Stavrakakis | return jobID
|
232 | 562bf712 | Christos Stavrakakis | |
233 | 562bf712 | Christos Stavrakakis | |
234 | 99988465 | Christos Stavrakakis | def create_instance_nics(vm, userid, networks=[], floating_ips=[]): |
235 | cb66110b | Christos Stavrakakis | """Create NICs for VirtualMachine.
|
236 | cb66110b | Christos Stavrakakis |
|
237 | cb66110b | Christos Stavrakakis | Helper function for allocating IP addresses and creating NICs in the DB
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238 | cb66110b | Christos Stavrakakis | for a VirtualMachine. Created NICs are the combination of the default
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239 | 99988465 | Christos Stavrakakis | network policy (defined by administration settings) and the networks
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240 | 99988465 | Christos Stavrakakis | defined by the user.
|
241 | cb66110b | Christos Stavrakakis |
|
242 | cb66110b | Christos Stavrakakis | """
|
243 | 99988465 | Christos Stavrakakis | ports = [] |
244 | cb66110b | Christos Stavrakakis | for network_id in settings.DEFAULT_INSTANCE_NETWORKS: |
245 | 9446e7e5 | Christos Stavrakakis | if network_id == "SNF:ANY_PUBLIC": |
246 | 710b1c43 | Christos Stavrakakis | ipaddress = util.allocate_public_ip(userid=userid, |
247 | 710b1c43 | Christos Stavrakakis | backend=vm.backend) |
248 | 99988465 | Christos Stavrakakis | port = _create_port(userid, network=ipaddress.network, |
249 | 99988465 | Christos Stavrakakis | use_ipaddress=ipaddress) |
250 | cb66110b | Christos Stavrakakis | else:
|
251 | cb66110b | Christos Stavrakakis | try:
|
252 | 710b1c43 | Christos Stavrakakis | network = util.get_network(network_id, userid, |
253 | 710b1c43 | Christos Stavrakakis | non_deleted=True)
|
254 | 710b1c43 | Christos Stavrakakis | except faults.ItemNotFound:
|
255 | cb66110b | Christos Stavrakakis | msg = "Invalid configuration. Setting"\
|
256 | cb66110b | Christos Stavrakakis | " 'DEFAULT_INSTANCE_NETWORKS' contains invalid"\
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257 | cb66110b | Christos Stavrakakis | " network '%s'" % network_id
|
258 | cb66110b | Christos Stavrakakis | log.error(msg) |
259 | 710b1c43 | Christos Stavrakakis | raise faults.InternalServerError(msg)
|
260 | 99988465 | Christos Stavrakakis | port = _create_port(userid, network) |
261 | 99988465 | Christos Stavrakakis | ports.append(port) |
262 | 99988465 | Christos Stavrakakis | |
263 | 99988465 | Christos Stavrakakis | for floating_ip_id in floating_ips: |
264 | 09b76b7e | Christos Stavrakakis | floating_ip = util.get_floating_ip_by_id(userid, floating_ip_id, |
265 | 99988465 | Christos Stavrakakis | for_update=True)
|
266 | 99988465 | Christos Stavrakakis | port = _create_port(userid, network=floating_ip.network, |
267 | 99988465 | Christos Stavrakakis | use_ipaddress=floating_ip) |
268 | 99988465 | Christos Stavrakakis | ports.append(port) |
269 | 99988465 | Christos Stavrakakis | |
270 | 99988465 | Christos Stavrakakis | for net in networks: |
271 | 99988465 | Christos Stavrakakis | port_id = net.get("port")
|
272 | 99988465 | Christos Stavrakakis | net_id = net.get("uuid")
|
273 | 99988465 | Christos Stavrakakis | if port_id is not None: |
274 | 99988465 | Christos Stavrakakis | port = util.get_port(port_id, userid, for_update=True)
|
275 | 99988465 | Christos Stavrakakis | ports.append(port) |
276 | 99988465 | Christos Stavrakakis | elif net_id is not None: |
277 | 99988465 | Christos Stavrakakis | network = util.get_network(net_id, userid, non_deleted=True)
|
278 | 99988465 | Christos Stavrakakis | if network.public:
|
279 | 99988465 | Christos Stavrakakis | raise faults.Forbidden("Can not connect to public network") |
280 | 99988465 | Christos Stavrakakis | address = net.get("fixed_ip")
|
281 | 99988465 | Christos Stavrakakis | port = _create_port(userid, network, address=address) |
282 | 99988465 | Christos Stavrakakis | ports.append(port) |
283 | 99988465 | Christos Stavrakakis | else:
|
284 | 99988465 | Christos Stavrakakis | raise faults.BadRequest("") |
285 | 99988465 | Christos Stavrakakis | |
286 | 99988465 | Christos Stavrakakis | for index, port in enumerate(ports): |
287 | 99988465 | Christos Stavrakakis | associate_port_with_machine(port, vm) |
288 | 99988465 | Christos Stavrakakis | port.index = index |
289 | 99988465 | Christos Stavrakakis | port.save() |
290 | 99988465 | Christos Stavrakakis | return ports
|
291 | cb66110b | Christos Stavrakakis | |
292 | cb66110b | Christos Stavrakakis | |
293 | 41a7fae7 | Christos Stavrakakis | @server_command("DESTROY") |
294 | 41a7fae7 | Christos Stavrakakis | def destroy(vm): |
295 | 41a7fae7 | Christos Stavrakakis | log.info("Deleting VM %s", vm)
|
296 | 41a7fae7 | Christos Stavrakakis | return backend.delete_instance(vm)
|
297 | 41a7fae7 | Christos Stavrakakis | |
298 | 41a7fae7 | Christos Stavrakakis | |
299 | 41a7fae7 | Christos Stavrakakis | @server_command("START") |
300 | 41a7fae7 | Christos Stavrakakis | def start(vm): |
301 | 41a7fae7 | Christos Stavrakakis | log.info("Starting VM %s", vm)
|
302 | 41a7fae7 | Christos Stavrakakis | return backend.startup_instance(vm)
|
303 | 41a7fae7 | Christos Stavrakakis | |
304 | 41a7fae7 | Christos Stavrakakis | |
305 | 41a7fae7 | Christos Stavrakakis | @server_command("STOP") |
306 | 41a7fae7 | Christos Stavrakakis | def stop(vm): |
307 | 41a7fae7 | Christos Stavrakakis | log.info("Stopping VM %s", vm)
|
308 | 41a7fae7 | Christos Stavrakakis | return backend.shutdown_instance(vm)
|
309 | 41a7fae7 | Christos Stavrakakis | |
310 | 41a7fae7 | Christos Stavrakakis | |
311 | 41a7fae7 | Christos Stavrakakis | @server_command("REBOOT") |
312 | 41a7fae7 | Christos Stavrakakis | def reboot(vm, reboot_type): |
313 | 41a7fae7 | Christos Stavrakakis | if reboot_type not in ("SOFT", "HARD"): |
314 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Malformed request. Invalid reboot" |
315 | 41a7fae7 | Christos Stavrakakis | " type %s" % reboot_type)
|
316 | 41a7fae7 | Christos Stavrakakis | log.info("Rebooting VM %s. Type %s", vm, reboot_type)
|
317 | 41a7fae7 | Christos Stavrakakis | |
318 | 41a7fae7 | Christos Stavrakakis | return backend.reboot_instance(vm, reboot_type.lower())
|
319 | 41a7fae7 | Christos Stavrakakis | |
320 | 41a7fae7 | Christos Stavrakakis | |
321 | 41a7fae7 | Christos Stavrakakis | @server_command("RESIZE") |
322 | 41a7fae7 | Christos Stavrakakis | def resize(vm, flavor): |
323 | 41a7fae7 | Christos Stavrakakis | old_flavor = vm.flavor |
324 | 41a7fae7 | Christos Stavrakakis | # User requested the same flavor
|
325 | 41a7fae7 | Christos Stavrakakis | if old_flavor.id == flavor.id:
|
326 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Server '%s' flavor is already '%s'." |
327 | 41a7fae7 | Christos Stavrakakis | % (vm, flavor)) |
328 | 41a7fae7 | Christos Stavrakakis | return None |
329 | 41a7fae7 | Christos Stavrakakis | # Check that resize can be performed
|
330 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk != flavor.disk:
|
331 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not resize instance disk.") |
332 | 41a7fae7 | Christos Stavrakakis | if old_flavor.disk_template != flavor.disk_template:
|
333 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Can not change instance disk template.") |
334 | 41a7fae7 | Christos Stavrakakis | |
335 | 41a7fae7 | Christos Stavrakakis | log.info("Resizing VM from flavor '%s' to '%s", old_flavor, flavor)
|
336 | 41a7fae7 | Christos Stavrakakis | commission_info = {"cyclades.cpu": flavor.cpu - old_flavor.cpu,
|
337 | f05a25af | Christos Stavrakakis | "cyclades.ram": 1048576 * (flavor.ram - old_flavor.ram)} |
338 | 41a7fae7 | Christos Stavrakakis | # Save serial to VM, since it is needed by server_command decorator
|
339 | 41a7fae7 | Christos Stavrakakis | vm.serial = quotas.issue_commission(user=vm.userid, |
340 | 41a7fae7 | Christos Stavrakakis | source=quotas.DEFAULT_SOURCE, |
341 | 9122ffab | Christos Stavrakakis | provisions=commission_info, |
342 | 9122ffab | Christos Stavrakakis | name="resource: %s. resize" % vm)
|
343 | 41a7fae7 | Christos Stavrakakis | return backend.resize_instance(vm, vcpus=flavor.cpu, memory=flavor.ram)
|
344 | 41a7fae7 | Christos Stavrakakis | |
345 | 41a7fae7 | Christos Stavrakakis | |
346 | 41a7fae7 | Christos Stavrakakis | @server_command("SET_FIREWALL_PROFILE") |
347 | d0545590 | Christos Stavrakakis | def set_firewall_profile(vm, profile, nic): |
348 | d0545590 | Christos Stavrakakis | log.info("Setting VM %s, NIC %s, firewall %s", vm, nic, profile)
|
349 | 41a7fae7 | Christos Stavrakakis | |
350 | 41a7fae7 | Christos Stavrakakis | if profile not in [x[0] for x in NetworkInterface.FIREWALL_PROFILES]: |
351 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest("Unsupported firewall profile") |
352 | d0545590 | Christos Stavrakakis | backend.set_firewall_profile(vm, profile=profile, nic=nic) |
353 | 41a7fae7 | Christos Stavrakakis | return None |
354 | 41a7fae7 | Christos Stavrakakis | |
355 | 41a7fae7 | Christos Stavrakakis | |
356 | 41a7fae7 | Christos Stavrakakis | @server_command("CONNECT") |
357 | 6b8dc47c | Christos Stavrakakis | def connect(vm, network, port=None): |
358 | 6b8dc47c | Christos Stavrakakis | if port is None: |
359 | fae6e5f0 | Christos Stavrakakis | port = _create_port(vm.userid, network) |
360 | fae6e5f0 | Christos Stavrakakis | associate_port_with_machine(port, vm) |
361 | 41a7fae7 | Christos Stavrakakis | |
362 | fae6e5f0 | Christos Stavrakakis | log.info("Creating NIC %s with IPv4 Address %s", port, port.ipv4_address)
|
363 | 2a2b01e5 | Christos Stavrakakis | |
364 | fae6e5f0 | Christos Stavrakakis | return backend.connect_to_network(vm, port)
|
365 | 41a7fae7 | Christos Stavrakakis | |
366 | 41a7fae7 | Christos Stavrakakis | |
367 | 41a7fae7 | Christos Stavrakakis | @server_command("DISCONNECT") |
368 | 7c714455 | Christos Stavrakakis | def disconnect(vm, nic): |
369 | 7c714455 | Christos Stavrakakis | log.info("Removing NIC %s from VM %s", nic, vm)
|
370 | 41a7fae7 | Christos Stavrakakis | return backend.disconnect_from_network(vm, nic)
|
371 | 41a7fae7 | Christos Stavrakakis | |
372 | 41a7fae7 | Christos Stavrakakis | |
373 | 41a7fae7 | Christos Stavrakakis | def console(vm, console_type): |
374 | 41a7fae7 | Christos Stavrakakis | """Arrange for an OOB console of the specified type
|
375 | 41a7fae7 | Christos Stavrakakis |
|
376 | 41a7fae7 | Christos Stavrakakis | This method arranges for an OOB console of the specified type.
|
377 | 41a7fae7 | Christos Stavrakakis | Only consoles of type "vnc" are supported for now.
|
378 | 41a7fae7 | Christos Stavrakakis |
|
379 | 41a7fae7 | Christos Stavrakakis | It uses a running instance of vncauthproxy to setup proper
|
380 | 41a7fae7 | Christos Stavrakakis | VNC forwarding with a random password, then returns the necessary
|
381 | 41a7fae7 | Christos Stavrakakis | VNC connection info to the caller.
|
382 | 41a7fae7 | Christos Stavrakakis |
|
383 | 41a7fae7 | Christos Stavrakakis | """
|
384 | 41a7fae7 | Christos Stavrakakis | log.info("Get console VM %s, type %s", vm, console_type)
|
385 | 41a7fae7 | Christos Stavrakakis | |
386 | 41a7fae7 | Christos Stavrakakis | # Use RAPI to get VNC console information for this instance
|
387 | 41a7fae7 | Christos Stavrakakis | if vm.operstate != "STARTED": |
388 | 41a7fae7 | Christos Stavrakakis | raise faults.BadRequest('Server not in ACTIVE state.') |
389 | 41a7fae7 | Christos Stavrakakis | |
390 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
391 | 41a7fae7 | Christos Stavrakakis | console_data = {'kind': 'vnc', 'host': 'ganeti_node', 'port': 1000} |
392 | 41a7fae7 | Christos Stavrakakis | else:
|
393 | 41a7fae7 | Christos Stavrakakis | console_data = backend.get_instance_console(vm) |
394 | 41a7fae7 | Christos Stavrakakis | |
395 | 41a7fae7 | Christos Stavrakakis | if console_data['kind'] != 'vnc': |
396 | 41a7fae7 | Christos Stavrakakis | message = 'got console of kind %s, not "vnc"' % console_data['kind'] |
397 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable(message)
|
398 | 41a7fae7 | Christos Stavrakakis | |
399 | 41a7fae7 | Christos Stavrakakis | # Let vncauthproxy decide on the source port.
|
400 | 41a7fae7 | Christos Stavrakakis | # The alternative: static allocation, e.g.
|
401 | 41a7fae7 | Christos Stavrakakis | # sport = console_data['port'] - 1000
|
402 | 41a7fae7 | Christos Stavrakakis | sport = 0
|
403 | 41a7fae7 | Christos Stavrakakis | daddr = console_data['host']
|
404 | 41a7fae7 | Christos Stavrakakis | dport = console_data['port']
|
405 | 41a7fae7 | Christos Stavrakakis | password = util.random_password() |
406 | 41a7fae7 | Christos Stavrakakis | |
407 | 41a7fae7 | Christos Stavrakakis | if settings.TEST:
|
408 | 41a7fae7 | Christos Stavrakakis | fwd = {'source_port': 1234, 'status': 'OK'} |
409 | 41a7fae7 | Christos Stavrakakis | else:
|
410 | 41a7fae7 | Christos Stavrakakis | fwd = request_vnc_forwarding(sport, daddr, dport, password) |
411 | 41a7fae7 | Christos Stavrakakis | |
412 | 41a7fae7 | Christos Stavrakakis | if fwd['status'] != "OK": |
413 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('vncauthproxy returned error status') |
414 | 41a7fae7 | Christos Stavrakakis | |
415 | 41a7fae7 | Christos Stavrakakis | # Verify that the VNC server settings haven't changed
|
416 | 41a7fae7 | Christos Stavrakakis | if not settings.TEST: |
417 | 41a7fae7 | Christos Stavrakakis | if console_data != backend.get_instance_console(vm):
|
418 | 41a7fae7 | Christos Stavrakakis | raise faults.ServiceUnavailable('VNC Server settings changed.') |
419 | 41a7fae7 | Christos Stavrakakis | |
420 | 41a7fae7 | Christos Stavrakakis | console = { |
421 | 41a7fae7 | Christos Stavrakakis | 'type': 'vnc', |
422 | 41a7fae7 | Christos Stavrakakis | 'host': getfqdn(),
|
423 | 41a7fae7 | Christos Stavrakakis | 'port': fwd['source_port'], |
424 | 41a7fae7 | Christos Stavrakakis | 'password': password}
|
425 | 41a7fae7 | Christos Stavrakakis | |
426 | 41a7fae7 | Christos Stavrakakis | return console
|
427 | 9ba6bb95 | Christos Stavrakakis | |
428 | 9ba6bb95 | Christos Stavrakakis | |
429 | a52cc1b4 | Christos Stavrakakis | def rename(server, new_name): |
430 | a52cc1b4 | Christos Stavrakakis | """Rename a VirtualMachine."""
|
431 | a52cc1b4 | Christos Stavrakakis | old_name = server.name |
432 | a52cc1b4 | Christos Stavrakakis | server.name = new_name |
433 | a52cc1b4 | Christos Stavrakakis | server.save() |
434 | a52cc1b4 | Christos Stavrakakis | log.info("Renamed server '%s' from '%s' to '%s'", server, old_name,
|
435 | a52cc1b4 | Christos Stavrakakis | new_name) |
436 | a52cc1b4 | Christos Stavrakakis | return server
|
437 | fae6e5f0 | Christos Stavrakakis | |
438 | fae6e5f0 | Christos Stavrakakis | |
439 | fae6e5f0 | Christos Stavrakakis | @transaction.commit_on_success
|
440 | fae6e5f0 | Christos Stavrakakis | def create_port(*args, **kwargs): |
441 | fae6e5f0 | Christos Stavrakakis | return _create_port(*args, **kwargs)
|
442 | fae6e5f0 | Christos Stavrakakis | |
443 | fae6e5f0 | Christos Stavrakakis | |
444 | fae6e5f0 | Christos Stavrakakis | def _create_port(userid, network, machine=None, use_ipaddress=None, |
445 | fae6e5f0 | Christos Stavrakakis | address=None, name="", security_groups=None, |
446 | fae6e5f0 | Christos Stavrakakis | device_owner=None):
|
447 | fae6e5f0 | Christos Stavrakakis | """Create a new port on the specified network.
|
448 | fae6e5f0 | Christos Stavrakakis |
|
449 | fae6e5f0 | Christos Stavrakakis | Create a new Port(NetworkInterface model) on the specified Network. If
|
450 | fae6e5f0 | Christos Stavrakakis | 'machine' is specified, the machine will be connected to the network using
|
451 | fae6e5f0 | Christos Stavrakakis | this port. If 'use_ipaddress' argument is specified, the port will be
|
452 | fae6e5f0 | Christos Stavrakakis | assigned this IPAddress. Otherwise, an IPv4 address from the IPv4 subnet
|
453 | fae6e5f0 | Christos Stavrakakis | will be allocated.
|
454 | fae6e5f0 | Christos Stavrakakis |
|
455 | fae6e5f0 | Christos Stavrakakis | """
|
456 | fae6e5f0 | Christos Stavrakakis | if network.state != "ACTIVE": |
457 | fae6e5f0 | Christos Stavrakakis | raise faults.BuildInProgress("Can not create port while network is in" |
458 | fae6e5f0 | Christos Stavrakakis | " state %s" % network.state)
|
459 | 3f18f035 | Christos Stavrakakis | if network.action == "DESTROY": |
460 | 3f18f035 | Christos Stavrakakis | msg = "Can not create port. Network %s is being deleted."
|
461 | 3f18f035 | Christos Stavrakakis | raise faults.Conflict(msg % network.id)
|
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 | fae6e5f0 | Christos Stavrakakis | try:
|
474 | fae6e5f0 | Christos Stavrakakis | ipaddress = util.allocate_ip(network, userid=userid, |
475 | fae6e5f0 | Christos Stavrakakis | address=address) |
476 | fae6e5f0 | Christos Stavrakakis | except pools.ValueNotAvailable:
|
477 | fae6e5f0 | Christos Stavrakakis | msg = "Address %s is already in use." % address
|
478 | fae6e5f0 | Christos Stavrakakis | raise faults.Conflict(msg)
|
479 | fae6e5f0 | Christos Stavrakakis | elif address is not None: |
480 | fae6e5f0 | Christos Stavrakakis | raise faults.BadRequest("Address %s is not a valid IP for the" |
481 | fae6e5f0 | Christos Stavrakakis | " defined network subnets" % address)
|
482 | fae6e5f0 | Christos Stavrakakis | |
483 | fae6e5f0 | Christos Stavrakakis | if ipaddress is not None and ipaddress.nic is not None: |
484 | fae6e5f0 | Christos Stavrakakis | raise faults.Conflict("IP address '%s' is already in use" % |
485 | fae6e5f0 | Christos Stavrakakis | ipaddress.address) |
486 | fae6e5f0 | Christos Stavrakakis | |
487 | fae6e5f0 | Christos Stavrakakis | port = NetworkInterface.objects.create(network=network, |
488 | fae6e5f0 | Christos Stavrakakis | state="DOWN",
|
489 | fae6e5f0 | Christos Stavrakakis | userid=userid, |
490 | fae6e5f0 | Christos Stavrakakis | device_owner=None,
|
491 | fae6e5f0 | Christos Stavrakakis | name=name) |
492 | fae6e5f0 | Christos Stavrakakis | |
493 | fae6e5f0 | Christos Stavrakakis | # add the security groups if any
|
494 | fae6e5f0 | Christos Stavrakakis | if security_groups:
|
495 | fae6e5f0 | Christos Stavrakakis | port.security_groups.add(*security_groups) |
496 | fae6e5f0 | Christos Stavrakakis | |
497 | fae6e5f0 | Christos Stavrakakis | if ipaddress is not None: |
498 | fae6e5f0 | Christos Stavrakakis | # Associate IPAddress with the Port
|
499 | fae6e5f0 | Christos Stavrakakis | ipaddress.nic = port |
500 | fae6e5f0 | Christos Stavrakakis | ipaddress.save() |
501 | fae6e5f0 | Christos Stavrakakis | |
502 | fae6e5f0 | Christos Stavrakakis | if machine is not None: |
503 | ae2da8a2 | Christos Stavrakakis | # Connect port to the instance.
|
504 | fae6e5f0 | Christos Stavrakakis | machine = connect(machine, network, port) |
505 | fae6e5f0 | Christos Stavrakakis | jobID = machine.task_job_id |
506 | fae6e5f0 | Christos Stavrakakis | log.info("Created Port %s with IP %s. Ganeti Job: %s",
|
507 | fae6e5f0 | Christos Stavrakakis | port, ipaddress, jobID) |
508 | fae6e5f0 | Christos Stavrakakis | else:
|
509 | fae6e5f0 | Christos Stavrakakis | log.info("Created Port %s with IP %s not attached to any instance",
|
510 | fae6e5f0 | Christos Stavrakakis | port, ipaddress) |
511 | fae6e5f0 | Christos Stavrakakis | |
512 | fae6e5f0 | Christos Stavrakakis | return port
|
513 | fae6e5f0 | Christos Stavrakakis | |
514 | fae6e5f0 | Christos Stavrakakis | |
515 | fae6e5f0 | Christos Stavrakakis | def associate_port_with_machine(port, machine): |
516 | fae6e5f0 | Christos Stavrakakis | """Associate a Port with a VirtualMachine.
|
517 | fae6e5f0 | Christos Stavrakakis |
|
518 | fae6e5f0 | Christos Stavrakakis | Associate the port with the VirtualMachine and add an entry to the
|
519 | fae6e5f0 | Christos Stavrakakis | IPAddressLog if the port has a public IPv4 address from a public network.
|
520 | fae6e5f0 | Christos Stavrakakis |
|
521 | fae6e5f0 | Christos Stavrakakis | """
|
522 | ae2da8a2 | Christos Stavrakakis | if port.machine is not None: |
523 | ae2da8a2 | Christos Stavrakakis | raise faults.Conflict("Port %s is already in use." % port.id) |
524 | fae6e5f0 | Christos Stavrakakis | if port.network.public:
|
525 | fae6e5f0 | Christos Stavrakakis | ipv4_address = port.ipv4_address |
526 | fae6e5f0 | Christos Stavrakakis | if ipv4_address is not None: |
527 | fae6e5f0 | Christos Stavrakakis | ip_log = IPAddressLog.objects.create(server_id=machine.id, |
528 | fae6e5f0 | Christos Stavrakakis | network_id=port.network_id, |
529 | fae6e5f0 | Christos Stavrakakis | address=ipv4_address, |
530 | fae6e5f0 | Christos Stavrakakis | active=True)
|
531 | fae6e5f0 | Christos Stavrakakis | log.debug("Created IP log entry %s", ip_log)
|
532 | fae6e5f0 | Christos Stavrakakis | port.machine = machine |
533 | fae6e5f0 | Christos Stavrakakis | port.state = "BUILD"
|
534 | fae6e5f0 | Christos Stavrakakis | port.device_owner = "vm"
|
535 | fae6e5f0 | Christos Stavrakakis | port.save() |
536 | fae6e5f0 | Christos Stavrakakis | return port
|
537 | fae6e5f0 | Christos Stavrakakis | |
538 | fae6e5f0 | Christos Stavrakakis | |
539 | fae6e5f0 | Christos Stavrakakis | @transaction.commit_on_success
|
540 | fae6e5f0 | Christos Stavrakakis | def delete_port(port): |
541 | fae6e5f0 | Christos Stavrakakis | """Delete a port by removing the NIC card from the instance.
|
542 | fae6e5f0 | Christos Stavrakakis |
|
543 | fae6e5f0 | Christos Stavrakakis | Send a Job to remove the NIC card from the instance. The port
|
544 | fae6e5f0 | Christos Stavrakakis | will be deleted and the associated IPv4 addressess will be released
|
545 | fae6e5f0 | Christos Stavrakakis | when the job completes successfully.
|
546 | fae6e5f0 | Christos Stavrakakis |
|
547 | fae6e5f0 | Christos Stavrakakis | """
|
548 | fae6e5f0 | Christos Stavrakakis | |
549 | fae6e5f0 | Christos Stavrakakis | if port.machine is not None: |
550 | fae6e5f0 | Christos Stavrakakis | vm = disconnect(port.machine, port) |
551 | fae6e5f0 | Christos Stavrakakis | log.info("Removing port %s, Job: %s", port, vm.task_job_id)
|
552 | fae6e5f0 | Christos Stavrakakis | else:
|
553 | fae6e5f0 | Christos Stavrakakis | backend.remove_nic_ips(port) |
554 | fae6e5f0 | Christos Stavrakakis | port.delete() |
555 | fae6e5f0 | Christos Stavrakakis | log.info("Removed port %s", port)
|
556 | fae6e5f0 | Christos Stavrakakis | |
557 | fae6e5f0 | Christos Stavrakakis | return port |