root / snf-cyclades-app / synnefo / db / models.py @ e8d31c74
History | View | Annotate | Download (31.5 kB)
1 | 244c552b | Giorgos Verigakis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | 48130e66 | Georgios Gousios | #
|
3 | 48130e66 | Georgios Gousios | # Redistribution and use in source and binary forms, with or without
|
4 | 48130e66 | Georgios Gousios | # modification, are permitted provided that the following conditions
|
5 | 48130e66 | Georgios Gousios | # are met:
|
6 | 48130e66 | Georgios Gousios | #
|
7 | 48130e66 | Georgios Gousios | # 1. Redistributions of source code must retain the above copyright
|
8 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer.
|
9 | 48130e66 | Georgios Gousios | #
|
10 | 48130e66 | Georgios Gousios | # 2. Redistributions in binary form must reproduce the above copyright
|
11 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer in the
|
12 | 48130e66 | Georgios Gousios | # documentation and/or other materials provided with the distribution.
|
13 | 48130e66 | Georgios Gousios | #
|
14 | 48130e66 | Georgios Gousios | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
15 | 48130e66 | Georgios Gousios | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
16 | 48130e66 | Georgios Gousios | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
17 | 48130e66 | Georgios Gousios | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
18 | 48130e66 | Georgios Gousios | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
19 | 48130e66 | Georgios Gousios | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
20 | 48130e66 | Georgios Gousios | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
21 | 48130e66 | Georgios Gousios | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
22 | 48130e66 | Georgios Gousios | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
23 | 48130e66 | Georgios Gousios | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
24 | 48130e66 | Georgios Gousios | # SUCH DAMAGE.
|
25 | 48130e66 | Georgios Gousios | #
|
26 | 48130e66 | Georgios Gousios | # The views and conclusions contained in the software and documentation are
|
27 | 48130e66 | Georgios Gousios | # those of the authors and should not be interpreted as representing official
|
28 | 48130e66 | Georgios Gousios | # policies, either expressed or implied, of GRNET S.A.
|
29 | 48130e66 | Georgios Gousios | |
30 | c4e55622 | Christos Stavrakakis | import datetime |
31 | c4e55622 | Christos Stavrakakis | |
32 | bd87213f | Christos Stavrakakis | from copy import deepcopy |
33 | 9dbe70f8 | Markos Gogoulos | from django.conf import settings |
34 | 17935f41 | Vassilios Karakoidas | from django.db import models |
35 | aed9b901 | Christos Stavrakakis | from django.db import IntegrityError |
36 | 3165f027 | Christos Stavrakakis | |
37 | 3165f027 | Christos Stavrakakis | import utils |
38 | 3524241a | Christos Stavrakakis | from contextlib import contextmanager |
39 | aed9b901 | Christos Stavrakakis | from hashlib import sha1 |
40 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
41 | e6a42a96 | Christos Stavrakakis | from synnefo import settings as snf_settings |
42 | 30e0ed74 | Christos Stavrakakis | from aes_encrypt import encrypt_db_charfield, decrypt_db_charfield |
43 | aed9b901 | Christos Stavrakakis | |
44 | 864bed43 | Christos Stavrakakis | from synnefo.db.managers import ForUpdateManager, ProtectedDeleteManager |
45 | 03992c72 | Christos Stavrakakis | from synnefo.db import pools |
46 | 864bed43 | Christos Stavrakakis | |
47 | 3524241a | Christos Stavrakakis | from synnefo.logic.rapi_pool import (get_rapi_client, |
48 | 3524241a | Christos Stavrakakis | put_rapi_client) |
49 | aed9b901 | Christos Stavrakakis | |
50 | b533e9b2 | Christos Stavrakakis | import logging |
51 | b533e9b2 | Christos Stavrakakis | log = logging.getLogger(__name__) |
52 | b533e9b2 | Christos Stavrakakis | |
53 | aed9b901 | Christos Stavrakakis | |
54 | e7164ebc | Vassilios Karakoidas | class Flavor(models.Model): |
55 | 13b3c5ff | Vassilios Karakoidas | cpu = models.IntegerField('Number of CPUs', default=0) |
56 | c909cbbd | Giorgos Verigakis | ram = models.IntegerField('RAM size in MiB', default=0) |
57 | c909cbbd | Giorgos Verigakis | disk = models.IntegerField('Disk size in GiB', default=0) |
58 | c802789d | Christos Stavrakakis | disk_template = models.CharField('Disk template', max_length=32) |
59 | 2c60cbef | Giorgos Verigakis | deleted = models.BooleanField('Deleted', default=False) |
60 | ce55f211 | Kostas Papadimitriou | |
61 | be7b8d37 | Vassilios Karakoidas | class Meta: |
62 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Virtual machine flavor'
|
63 | b1af40e2 | Giorgos Verigakis | unique_together = ('cpu', 'ram', 'disk', 'disk_template') |
64 | ce55f211 | Kostas Papadimitriou | |
65 | 9ff7ca6f | Giorgos Verigakis | @property
|
66 | 9ff7ca6f | Giorgos Verigakis | def name(self): |
67 | f0f4edac | Vassilios Karakoidas | """Returns flavor name (generated)"""
|
68 | b65a3b04 | Christos Stavrakakis | return u'C%dR%dD%d%s' % (self.cpu, self.ram, self.disk, |
69 | b65a3b04 | Christos Stavrakakis | self.disk_template)
|
70 | ce55f211 | Kostas Papadimitriou | |
71 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
72 | df36a125 | Christos Stavrakakis | return "<%s:%s>" % (str(self.id), self.name) |
73 | 452d2391 | Vassilios Karakoidas | |
74 | 46547e14 | Faidon Liambotis | |
75 | aed9b901 | Christos Stavrakakis | class Backend(models.Model): |
76 | aed9b901 | Christos Stavrakakis | clustername = models.CharField('Cluster Name', max_length=128, unique=True) |
77 | aed9b901 | Christos Stavrakakis | port = models.PositiveIntegerField('Port', default=5080) |
78 | aed9b901 | Christos Stavrakakis | username = models.CharField('Username', max_length=64, blank=True, |
79 | aed9b901 | Christos Stavrakakis | null=True)
|
80 | 2a8a60d5 | Christos Stavrakakis | password_hash = models.CharField('Password', max_length=128, blank=True, |
81 | 68b952f9 | Christos Stavrakakis | null=True)
|
82 | aed9b901 | Christos Stavrakakis | # Sha1 is up to 40 characters long
|
83 | aed9b901 | Christos Stavrakakis | hash = models.CharField('Hash', max_length=40, editable=False, null=False) |
84 | 3165f027 | Christos Stavrakakis | # Unique index of the Backend, used for the mac-prefixes of the
|
85 | 3165f027 | Christos Stavrakakis | # BackendNetworks
|
86 | 3165f027 | Christos Stavrakakis | index = models.PositiveIntegerField('Index', null=False, unique=True, |
87 | 3165f027 | Christos Stavrakakis | default=0)
|
88 | aed9b901 | Christos Stavrakakis | drained = models.BooleanField('Drained', default=False, null=False) |
89 | aed9b901 | Christos Stavrakakis | offline = models.BooleanField('Offline', default=False, null=False) |
90 | bd87213f | Christos Stavrakakis | # Type of hypervisor
|
91 | bd87213f | Christos Stavrakakis | hypervisor = models.CharField('Hypervisor', max_length=32, default="kvm", |
92 | bd87213f | Christos Stavrakakis | null=False)
|
93 | aed9b901 | Christos Stavrakakis | # Last refresh of backend resources
|
94 | aed9b901 | Christos Stavrakakis | updated = models.DateTimeField(auto_now_add=True)
|
95 | aed9b901 | Christos Stavrakakis | # Backend resources
|
96 | aed9b901 | Christos Stavrakakis | mfree = models.PositiveIntegerField('Free Memory', default=0, null=False) |
97 | aed9b901 | Christos Stavrakakis | mtotal = models.PositiveIntegerField('Total Memory', default=0, null=False) |
98 | aed9b901 | Christos Stavrakakis | dfree = models.PositiveIntegerField('Free Disk', default=0, null=False) |
99 | aed9b901 | Christos Stavrakakis | dtotal = models.PositiveIntegerField('Total Disk', default=0, null=False) |
100 | aed9b901 | Christos Stavrakakis | pinst_cnt = models.PositiveIntegerField('Primary Instances', default=0, |
101 | aed9b901 | Christos Stavrakakis | null=False)
|
102 | aed9b901 | Christos Stavrakakis | ctotal = models.PositiveIntegerField('Total number of logical processors',
|
103 | aed9b901 | Christos Stavrakakis | default=0, null=False) |
104 | aed9b901 | Christos Stavrakakis | # Custom object manager to protect from cascade delete
|
105 | 864bed43 | Christos Stavrakakis | objects = ProtectedDeleteManager() |
106 | aed9b901 | Christos Stavrakakis | |
107 | 4c9ac139 | Christos Stavrakakis | HYPERVISORS = ( |
108 | 4c9ac139 | Christos Stavrakakis | ("kvm", "Linux KVM hypervisor"), |
109 | 4c9ac139 | Christos Stavrakakis | ("xen-pvm", "Xen PVM hypervisor"), |
110 | 4c9ac139 | Christos Stavrakakis | ("xen-hvm", "Xen KVM hypervisor"), |
111 | 4c9ac139 | Christos Stavrakakis | ) |
112 | 4c9ac139 | Christos Stavrakakis | |
113 | aed9b901 | Christos Stavrakakis | class Meta: |
114 | aed9b901 | Christos Stavrakakis | verbose_name = u'Backend'
|
115 | aed9b901 | Christos Stavrakakis | ordering = ["clustername"]
|
116 | aed9b901 | Christos Stavrakakis | |
117 | aed9b901 | Christos Stavrakakis | def __unicode__(self): |
118 | bf5c82dc | Christos Stavrakakis | return self.clustername + "(id=" + str(self.id) + ")" |
119 | aed9b901 | Christos Stavrakakis | |
120 | aed9b901 | Christos Stavrakakis | @property
|
121 | aed9b901 | Christos Stavrakakis | def backend_id(self): |
122 | aed9b901 | Christos Stavrakakis | return self.id |
123 | aed9b901 | Christos Stavrakakis | |
124 | 3524241a | Christos Stavrakakis | def get_client(self): |
125 | aed9b901 | Christos Stavrakakis | """Get or create a client. """
|
126 | 3524241a | Christos Stavrakakis | if self.offline: |
127 | bd40abfa | Christos Stavrakakis | raise faults.ServiceUnavailable
|
128 | 3524241a | Christos Stavrakakis | return get_rapi_client(self.id, self.hash, |
129 | cc50e51a | Christos Stavrakakis | self.clustername,
|
130 | cc50e51a | Christos Stavrakakis | self.port,
|
131 | 3524241a | Christos Stavrakakis | self.username,
|
132 | 3524241a | Christos Stavrakakis | self.password)
|
133 | 3524241a | Christos Stavrakakis | |
134 | 3524241a | Christos Stavrakakis | @staticmethod
|
135 | 3524241a | Christos Stavrakakis | def put_client(client): |
136 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
137 | aed9b901 | Christos Stavrakakis | |
138 | aed9b901 | Christos Stavrakakis | def create_hash(self): |
139 | aed9b901 | Christos Stavrakakis | """Create a hash for this backend. """
|
140 | 68b952f9 | Christos Stavrakakis | sha = sha1('%s%s%s%s' %
|
141 | 68b952f9 | Christos Stavrakakis | (self.clustername, self.port, self.username, self.password)) |
142 | 68b952f9 | Christos Stavrakakis | return sha.hexdigest()
|
143 | aed9b901 | Christos Stavrakakis | |
144 | 30e0ed74 | Christos Stavrakakis | @property
|
145 | 30e0ed74 | Christos Stavrakakis | def password(self): |
146 | 30e0ed74 | Christos Stavrakakis | return decrypt_db_charfield(self.password_hash) |
147 | 30e0ed74 | Christos Stavrakakis | |
148 | 30e0ed74 | Christos Stavrakakis | @password.setter
|
149 | 30e0ed74 | Christos Stavrakakis | def password(self, value): |
150 | 30e0ed74 | Christos Stavrakakis | self.password_hash = encrypt_db_charfield(value)
|
151 | 30e0ed74 | Christos Stavrakakis | |
152 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
153 | aed9b901 | Christos Stavrakakis | # Create a new hash each time a Backend is saved
|
154 | aed9b901 | Christos Stavrakakis | old_hash = self.hash
|
155 | aed9b901 | Christos Stavrakakis | self.hash = self.create_hash() |
156 | aed9b901 | Christos Stavrakakis | super(Backend, self).save(*args, **kwargs) |
157 | aed9b901 | Christos Stavrakakis | if self.hash != old_hash: |
158 | aed9b901 | Christos Stavrakakis | # Populate the new hash to the new instances
|
159 | 68b952f9 | Christos Stavrakakis | self.virtual_machines.filter(deleted=False)\ |
160 | 68b952f9 | Christos Stavrakakis | .update(backend_hash=self.hash)
|
161 | aed9b901 | Christos Stavrakakis | |
162 | aed9b901 | Christos Stavrakakis | def delete(self, *args, **kwargs): |
163 | aed9b901 | Christos Stavrakakis | # Integrity Error if non-deleted VMs are associated with Backend
|
164 | aed9b901 | Christos Stavrakakis | if self.virtual_machines.filter(deleted=False).count(): |
165 | aed9b901 | Christos Stavrakakis | raise IntegrityError("Non-deleted virtual machines are associated " |
166 | aed9b901 | Christos Stavrakakis | "with backend: %s" % self) |
167 | aed9b901 | Christos Stavrakakis | else:
|
168 | aed9b901 | Christos Stavrakakis | # ON_DELETE = SET NULL
|
169 | ce9abd26 | Christos Stavrakakis | for vm in self.virtual_machines.all(): |
170 | ce9abd26 | Christos Stavrakakis | vm.backend = None
|
171 | ce9abd26 | Christos Stavrakakis | vm.save() |
172 | fd65ab41 | Christos Stavrakakis | self.virtual_machines.all().backend = None |
173 | 82c1c610 | Christos Stavrakakis | # Remove BackendNetworks of this Backend.
|
174 | 82c1c610 | Christos Stavrakakis | # Do not use networks.all().delete(), since delete() method of
|
175 | 82c1c610 | Christos Stavrakakis | # BackendNetwork will not be called!
|
176 | 82c1c610 | Christos Stavrakakis | for net in self.networks.all(): |
177 | 82c1c610 | Christos Stavrakakis | net.delete() |
178 | aed9b901 | Christos Stavrakakis | super(Backend, self).delete(*args, **kwargs) |
179 | aed9b901 | Christos Stavrakakis | |
180 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
181 | 3165f027 | Christos Stavrakakis | super(Backend, self).__init__(*args, **kwargs) |
182 | 3165f027 | Christos Stavrakakis | if not self.pk: |
183 | 3165f027 | Christos Stavrakakis | # Generate a unique index for the Backend
|
184 | 3165f027 | Christos Stavrakakis | indexes = Backend.objects.all().values_list('index', flat=True) |
185 | ce9abd26 | Christos Stavrakakis | try:
|
186 | ce9abd26 | Christos Stavrakakis | first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
187 | ce9abd26 | Christos Stavrakakis | self.index = first_free
|
188 | ce9abd26 | Christos Stavrakakis | except IndexError: |
189 | ce9abd26 | Christos Stavrakakis | raise Exception("Can not create more than 16 backends") |
190 | 3165f027 | Christos Stavrakakis | |
191 | bd87213f | Christos Stavrakakis | def use_hotplug(self): |
192 | bd87213f | Christos Stavrakakis | return self.hypervisor == "kvm" and snf_settings.GANETI_USE_HOTPLUG |
193 | bd87213f | Christos Stavrakakis | |
194 | bd87213f | Christos Stavrakakis | def get_create_params(self): |
195 | bd87213f | Christos Stavrakakis | params = deepcopy(snf_settings.GANETI_CREATEINSTANCE_KWARGS) |
196 | bd87213f | Christos Stavrakakis | params["hvparams"] = params.get("hvparams", {})\ |
197 | bd87213f | Christos Stavrakakis | .get(self.hypervisor, {})
|
198 | bd87213f | Christos Stavrakakis | return params
|
199 | bd87213f | Christos Stavrakakis | |
200 | aed9b901 | Christos Stavrakakis | |
201 | fd65ab41 | Christos Stavrakakis | # A backend job may be in one of the following possible states
|
202 | fd65ab41 | Christos Stavrakakis | BACKEND_STATUSES = ( |
203 | fd65ab41 | Christos Stavrakakis | ('queued', 'request queued'), |
204 | fd65ab41 | Christos Stavrakakis | ('waiting', 'request waiting for locks'), |
205 | fd65ab41 | Christos Stavrakakis | ('canceling', 'request being canceled'), |
206 | fd65ab41 | Christos Stavrakakis | ('running', 'request running'), |
207 | fd65ab41 | Christos Stavrakakis | ('canceled', 'request canceled'), |
208 | fd65ab41 | Christos Stavrakakis | ('success', 'request completed successfully'), |
209 | fd65ab41 | Christos Stavrakakis | ('error', 'request returned error') |
210 | fd65ab41 | Christos Stavrakakis | ) |
211 | fd65ab41 | Christos Stavrakakis | |
212 | fd65ab41 | Christos Stavrakakis | |
213 | 3416e629 | Christos Stavrakakis | class QuotaHolderSerial(models.Model): |
214 | 97fffe10 | Christos Stavrakakis | """Model representing a serial for a Quotaholder Commission.
|
215 | 97fffe10 | Christos Stavrakakis |
|
216 | 97fffe10 | Christos Stavrakakis | serial: The serial that Quotaholder assigned to this commission
|
217 | 97fffe10 | Christos Stavrakakis | pending: Whether it has been decided to accept or reject this commission
|
218 | 97fffe10 | Christos Stavrakakis | accept: If pending is False, this attribute indicates whether to accept
|
219 | 97fffe10 | Christos Stavrakakis | or reject this commission
|
220 | 97fffe10 | Christos Stavrakakis | resolved: Whether this commission has been accepted or rejected to
|
221 | 97fffe10 | Christos Stavrakakis | Quotaholder.
|
222 | 97fffe10 | Christos Stavrakakis |
|
223 | 97fffe10 | Christos Stavrakakis | """
|
224 | 68b952f9 | Christos Stavrakakis | serial = models.BigIntegerField(null=False, primary_key=True, |
225 | 68b952f9 | Christos Stavrakakis | db_index=True)
|
226 | 3416e629 | Christos Stavrakakis | pending = models.BooleanField(default=True, db_index=True) |
227 | 97fffe10 | Christos Stavrakakis | accept = models.BooleanField(default=False)
|
228 | 97fffe10 | Christos Stavrakakis | resolved = models.BooleanField(default=False)
|
229 | 3416e629 | Christos Stavrakakis | |
230 | 3416e629 | Christos Stavrakakis | class Meta: |
231 | 3416e629 | Christos Stavrakakis | verbose_name = u'Quota Serial'
|
232 | 3416e629 | Christos Stavrakakis | ordering = ["serial"]
|
233 | 3416e629 | Christos Stavrakakis | |
234 | 41a7fae7 | Christos Stavrakakis | def __unicode__(self): |
235 | 41a7fae7 | Christos Stavrakakis | return u"<serial: %s>" % self.serial |
236 | 41a7fae7 | Christos Stavrakakis | |
237 | 3416e629 | Christos Stavrakakis | |
238 | 07f3219d | Vassilios Karakoidas | class VirtualMachine(models.Model): |
239 | c92af313 | Vangelis Koukis | # The list of possible actions for a VM
|
240 | d08a5f6f | Vangelis Koukis | ACTIONS = ( |
241 | 68b952f9 | Christos Stavrakakis | ('CREATE', 'Create VM'), |
242 | 68b952f9 | Christos Stavrakakis | ('START', 'Start VM'), |
243 | 68b952f9 | Christos Stavrakakis | ('STOP', 'Shutdown VM'), |
244 | 68b952f9 | Christos Stavrakakis | ('SUSPEND', 'Admin Suspend VM'), |
245 | 68b952f9 | Christos Stavrakakis | ('REBOOT', 'Reboot VM'), |
246 | 1af851fd | Christos Stavrakakis | ('DESTROY', 'Destroy VM'), |
247 | 1af851fd | Christos Stavrakakis | ('RESIZE', 'Resize a VM'), |
248 | 9ba6bb95 | Christos Stavrakakis | ('ADDFLOATINGIP', 'Add floating IP to VM'), |
249 | 9ba6bb95 | Christos Stavrakakis | ('REMOVEFLOATINGIP', 'Add floating IP to VM'), |
250 | d08a5f6f | Vangelis Koukis | ) |
251 | ce55f211 | Kostas Papadimitriou | |
252 | c92af313 | Vangelis Koukis | # The internal operating state of a VM
|
253 | d08a5f6f | Vangelis Koukis | OPER_STATES = ( |
254 | d08a5f6f | Vangelis Koukis | ('BUILD', 'Queued for creation'), |
255 | d08a5f6f | Vangelis Koukis | ('ERROR', 'Creation failed'), |
256 | d08a5f6f | Vangelis Koukis | ('STOPPED', 'Stopped'), |
257 | d08a5f6f | Vangelis Koukis | ('STARTED', 'Started'), |
258 | 1af851fd | Christos Stavrakakis | ('DESTROYED', 'Destroyed'), |
259 | 1af851fd | Christos Stavrakakis | ('RESIZE', 'Resizing') |
260 | d08a5f6f | Vangelis Koukis | ) |
261 | ce55f211 | Kostas Papadimitriou | |
262 | c92af313 | Vangelis Koukis | # The list of possible operations on the backend
|
263 | d08a5f6f | Vangelis Koukis | BACKEND_OPCODES = ( |
264 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_CREATE', 'Create Instance'), |
265 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_REMOVE', 'Remove Instance'), |
266 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_STARTUP', 'Startup Instance'), |
267 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_SHUTDOWN', 'Shutdown Instance'), |
268 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_REBOOT', 'Reboot Instance'), |
269 | 26fef2b9 | Vangelis Koukis | |
270 | 26fef2b9 | Vangelis Koukis | # These are listed here for completeness,
|
271 | 26fef2b9 | Vangelis Koukis | # and are ignored for the time being
|
272 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_SET_PARAMS', 'Set Instance Parameters'), |
273 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_QUERY_DATA', 'Query Instance Data'), |
274 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REINSTALL', 'Reinstall Instance'), |
275 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_ACTIVATE_DISKS', 'Activate Disks'), |
276 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_DEACTIVATE_DISKS', 'Deactivate Disks'), |
277 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REPLACE_DISKS', 'Replace Disks'), |
278 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_MIGRATE', 'Migrate Instance'), |
279 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_CONSOLE', 'Get Instance Console'), |
280 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_RECREATE_DISKS', 'Recreate Disks'), |
281 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_FAILOVER', 'Failover Instance') |
282 | d08a5f6f | Vangelis Koukis | ) |
283 | ce55f211 | Kostas Papadimitriou | |
284 | d08a5f6f | Vangelis Koukis | # The operating state of a VM,
|
285 | d08a5f6f | Vangelis Koukis | # upon the successful completion of a backend operation.
|
286 | 21d8adbf | Vangelis Koukis | # IMPORTANT: Make sure all keys have a corresponding
|
287 | 21d8adbf | Vangelis Koukis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
288 | d08a5f6f | Vangelis Koukis | OPER_STATE_FROM_OPCODE = { |
289 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_CREATE': 'STARTED', |
290 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_REMOVE': 'DESTROYED', |
291 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_STARTUP': 'STARTED', |
292 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_SHUTDOWN': 'STOPPED', |
293 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_REBOOT': 'STARTED', |
294 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_SET_PARAMS': None, |
295 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_QUERY_DATA': None, |
296 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REINSTALL': None, |
297 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_ACTIVATE_DISKS': None, |
298 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_DEACTIVATE_DISKS': None, |
299 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REPLACE_DISKS': None, |
300 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_MIGRATE': None, |
301 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_CONSOLE': None, |
302 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_RECREATE_DISKS': None, |
303 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_FAILOVER': None |
304 | d08a5f6f | Vangelis Koukis | } |
305 | d08a5f6f | Vangelis Koukis | |
306 | c92af313 | Vangelis Koukis | # This dictionary contains the correspondence between
|
307 | c92af313 | Vangelis Koukis | # internal operating states and Server States as defined
|
308 | c92af313 | Vangelis Koukis | # by the Rackspace API.
|
309 | d08a5f6f | Vangelis Koukis | RSAPI_STATE_FROM_OPER_STATE = { |
310 | d08a5f6f | Vangelis Koukis | "BUILD": "BUILD", |
311 | d08a5f6f | Vangelis Koukis | "ERROR": "ERROR", |
312 | d08a5f6f | Vangelis Koukis | "STOPPED": "STOPPED", |
313 | d08a5f6f | Vangelis Koukis | "STARTED": "ACTIVE", |
314 | 41a7fae7 | Christos Stavrakakis | 'RESIZE': 'RESIZE', |
315 | 41a7fae7 | Christos Stavrakakis | 'DESTROYED': 'DELETED', |
316 | d08a5f6f | Vangelis Koukis | } |
317 | d08a5f6f | Vangelis Koukis | |
318 | 4daac449 | Vassilios Karakoidas | name = models.CharField('Virtual Machine Name', max_length=255) |
319 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=100, |
320 | e18c1749 | Christos Stavrakakis | db_index=True, null=False) |
321 | aed9b901 | Christos Stavrakakis | backend = models.ForeignKey(Backend, null=True,
|
322 | aed9b901 | Christos Stavrakakis | related_name="virtual_machines",)
|
323 | aed9b901 | Christos Stavrakakis | backend_hash = models.CharField(max_length=128, null=True, editable=False) |
324 | d174b105 | Vassilios Karakoidas | created = models.DateTimeField(auto_now_add=True)
|
325 | d174b105 | Vassilios Karakoidas | updated = models.DateTimeField(auto_now=True)
|
326 | 936afb7b | Giorgos Verigakis | imageid = models.CharField(max_length=100, null=False) |
327 | 22571df6 | Vassilios Karakoidas | hostid = models.CharField(max_length=100)
|
328 | 46547e14 | Faidon Liambotis | flavor = models.ForeignKey(Flavor) |
329 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
330 | 9ff7ca6f | Giorgos Verigakis | suspended = models.BooleanField('Administratively Suspended',
|
331 | 244c552b | Giorgos Verigakis | default=False)
|
332 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
333 | 68b952f9 | Christos Stavrakakis | related_name='virtual_machine', null=True) |
334 | d08a5f6f | Vangelis Koukis | |
335 | ce55f211 | Kostas Papadimitriou | # VM State
|
336 | 52194743 | Vangelis Koukis | # The following fields are volatile data, in the sense
|
337 | 52194743 | Vangelis Koukis | # that they need not be persistent in the DB, but rather
|
338 | 52194743 | Vangelis Koukis | # get generated at runtime by quering Ganeti and applying
|
339 | 52194743 | Vangelis Koukis | # updates received from Ganeti.
|
340 | ce55f211 | Kostas Papadimitriou | |
341 | 73b2b65e | Vassilios Karakoidas | # In the future they could be moved to a separate caching layer
|
342 | 73b2b65e | Vassilios Karakoidas | # and removed from the database.
|
343 | 73b2b65e | Vassilios Karakoidas | # [vkoukis] after discussion with [faidon].
|
344 | 1cfd5d4d | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=30, null=True, |
345 | 1cfd5d4d | Christos Stavrakakis | default=None)
|
346 | 1cfd5d4d | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
347 | 1cfd5d4d | Christos Stavrakakis | null=False, default="BUILD") |
348 | dfd19c2d | Vassilios Karakoidas | backendjobid = models.PositiveIntegerField(null=True)
|
349 | f533f224 | Vangelis Koukis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
350 | aed9b901 | Christos Stavrakakis | null=True)
|
351 | 9ff7ca6f | Giorgos Verigakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
352 | aed9b901 | Christos Stavrakakis | max_length=30, null=True) |
353 | dfd19c2d | Vassilios Karakoidas | backendlogmsg = models.TextField(null=True)
|
354 | 19da4325 | Vangelis Koukis | buildpercentage = models.IntegerField(default=0)
|
355 | c4e55622 | Christos Stavrakakis | backendtime = models.DateTimeField(default=datetime.datetime.min) |
356 | 9068cd85 | Georgios Gousios | |
357 | 41a7fae7 | Christos Stavrakakis | # Latest action and corresponding Ganeti job ID, for actions issued
|
358 | 41a7fae7 | Christos Stavrakakis | # by the API
|
359 | 41a7fae7 | Christos Stavrakakis | task = models.CharField(max_length=64, null=True) |
360 | e8d31c74 | Christos Stavrakakis | task_job_id = models.BigIntegerField(null=True)
|
361 | 41a7fae7 | Christos Stavrakakis | |
362 | 7f2dbcad | Christos Stavrakakis | objects = ForUpdateManager() |
363 | 7f2dbcad | Christos Stavrakakis | |
364 | 3524241a | Christos Stavrakakis | def get_client(self): |
365 | 3524241a | Christos Stavrakakis | if self.backend: |
366 | 2cea7f38 | Christos Stavrakakis | return self.backend.get_client() |
367 | aed9b901 | Christos Stavrakakis | else:
|
368 | bd40abfa | Christos Stavrakakis | raise faults.ServiceUnavailable
|
369 | aed9b901 | Christos Stavrakakis | |
370 | 6ce1fc56 | Kostas Papadimitriou | def get_last_diagnostic(self, **filters): |
371 | 6ce1fc56 | Kostas Papadimitriou | try:
|
372 | 6ce1fc56 | Kostas Papadimitriou | return self.diagnostics.filter()[0] |
373 | 6ce1fc56 | Kostas Papadimitriou | except IndexError: |
374 | 6ce1fc56 | Kostas Papadimitriou | return None |
375 | 6ce1fc56 | Kostas Papadimitriou | |
376 | 3524241a | Christos Stavrakakis | @staticmethod
|
377 | 3524241a | Christos Stavrakakis | def put_client(client): |
378 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
379 | 3524241a | Christos Stavrakakis | |
380 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
381 | aed9b901 | Christos Stavrakakis | # Store hash for first time saved vm
|
382 | aed9b901 | Christos Stavrakakis | if (self.id is None or self.backend_hash == '') and self.backend: |
383 | aed9b901 | Christos Stavrakakis | self.backend_hash = self.backend.hash |
384 | aed9b901 | Christos Stavrakakis | super(VirtualMachine, self).save(*args, **kwargs) |
385 | aed9b901 | Christos Stavrakakis | |
386 | 9ff7ca6f | Giorgos Verigakis | @property
|
387 | 924d8085 | Christos Stavrakakis | def backend_vm_id(self): |
388 | 224b5e19 | Markos Gogoulos | """Returns the backend id for this VM by prepending backend-prefix."""
|
389 | 76ba77c1 | Vangelis Koukis | if not self.id: |
390 | 76ba77c1 | Vangelis Koukis | raise VirtualMachine.InvalidBackendIdError("self.id is None") |
391 | d30f29aa | Christos Stavrakakis | return "%s%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
392 | ce55f211 | Kostas Papadimitriou | |
393 | d08a5f6f | Vangelis Koukis | class Meta: |
394 | d08a5f6f | Vangelis Koukis | verbose_name = u'Virtual machine instance'
|
395 | d08a5f6f | Vangelis Koukis | get_latest_by = 'created'
|
396 | ce55f211 | Kostas Papadimitriou | |
397 | d08a5f6f | Vangelis Koukis | def __unicode__(self): |
398 | cfd70896 | Christos Stavrakakis | return str(self.id) |
399 | d08a5f6f | Vangelis Koukis | |
400 | 048fab1e | Christos Stavrakakis | # Error classes
|
401 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
402 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
403 | 048fab1e | Christos Stavrakakis | self.value = value
|
404 | 048fab1e | Christos Stavrakakis | |
405 | 048fab1e | Christos Stavrakakis | def __str__(self): |
406 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
407 | 048fab1e | Christos Stavrakakis | |
408 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
409 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
410 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
411 | 048fab1e | Christos Stavrakakis | self.status = status
|
412 | 048fab1e | Christos Stavrakakis | |
413 | 048fab1e | Christos Stavrakakis | def __str__(self): |
414 | 048fab1e | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' % (self.opcode, |
415 | 048fab1e | Christos Stavrakakis | self.status))
|
416 | 048fab1e | Christos Stavrakakis | |
417 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
418 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
419 | 048fab1e | Christos Stavrakakis | self._action = action
|
420 | 048fab1e | Christos Stavrakakis | |
421 | 048fab1e | Christos Stavrakakis | def __str__(self): |
422 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
423 | 048fab1e | Christos Stavrakakis | |
424 | 4ffb82dc | Vassilios Karakoidas | |
425 | be7b8d37 | Vassilios Karakoidas | class VirtualMachineMetadata(models.Model): |
426 | be7b8d37 | Vassilios Karakoidas | meta_key = models.CharField(max_length=50)
|
427 | be7b8d37 | Vassilios Karakoidas | meta_value = models.CharField(max_length=500)
|
428 | 7cc3c7d9 | Giorgos Verigakis | vm = models.ForeignKey(VirtualMachine, related_name='metadata')
|
429 | ce55f211 | Kostas Papadimitriou | |
430 | be7b8d37 | Vassilios Karakoidas | class Meta: |
431 | 1bd24df6 | Giorgos Verigakis | unique_together = (('meta_key', 'vm'),) |
432 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Key-value pair of metadata for a VM.'
|
433 | ce55f211 | Kostas Papadimitriou | |
434 | be7b8d37 | Vassilios Karakoidas | def __unicode__(self): |
435 | 9ff7ca6f | Giorgos Verigakis | return u'%s: %s' % (self.meta_key, self.meta_value) |
436 | be7b8d37 | Vassilios Karakoidas | |
437 | be7b8d37 | Vassilios Karakoidas | |
438 | 0269afd6 | Giorgos Verigakis | class Network(models.Model): |
439 | e6a42a96 | Christos Stavrakakis | OPER_STATES = ( |
440 | 99af08a4 | Christos Stavrakakis | ('PENDING', 'Pending'), # Unused because of lazy networks |
441 | f533f224 | Vangelis Koukis | ('ACTIVE', 'Active'), |
442 | e6a42a96 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
443 | e6a42a96 | Christos Stavrakakis | ('ERROR', 'Error') |
444 | e6a42a96 | Christos Stavrakakis | ) |
445 | e6a42a96 | Christos Stavrakakis | |
446 | e6a42a96 | Christos Stavrakakis | ACTIONS = ( |
447 | 68b952f9 | Christos Stavrakakis | ('CREATE', 'Create Network'), |
448 | 68b952f9 | Christos Stavrakakis | ('DESTROY', 'Destroy Network'), |
449 | ece5581b | Christos Stavrakakis | ('ADD', 'Add server to Network'), |
450 | ece5581b | Christos Stavrakakis | ('REMOVE', 'Remove server from Network'), |
451 | e6a42a96 | Christos Stavrakakis | ) |
452 | e6a42a96 | Christos Stavrakakis | |
453 | e6a42a96 | Christos Stavrakakis | RSAPI_STATE_FROM_OPER_STATE = { |
454 | e6a42a96 | Christos Stavrakakis | 'PENDING': 'PENDING', |
455 | e6a42a96 | Christos Stavrakakis | 'ACTIVE': 'ACTIVE', |
456 | e6a42a96 | Christos Stavrakakis | 'DELETED': 'DELETED', |
457 | e6a42a96 | Christos Stavrakakis | 'ERROR': 'ERROR' |
458 | e6a42a96 | Christos Stavrakakis | } |
459 | e6a42a96 | Christos Stavrakakis | |
460 | b7d38981 | Dimitris Aragiorgis | FLAVORS = { |
461 | b7d38981 | Dimitris Aragiorgis | 'CUSTOM': {
|
462 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
463 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_BRIDGE,
|
464 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
465 | 68b952f9 | Christos Stavrakakis | 'tags': None, |
466 | 68b952f9 | Christos Stavrakakis | 'desc': "Basic flavor used for a bridged network", |
467 | b7d38981 | Dimitris Aragiorgis | }, |
468 | b7d38981 | Dimitris Aragiorgis | 'IP_LESS_ROUTED': {
|
469 | 68b952f9 | Christos Stavrakakis | 'mode': 'routed', |
470 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_ROUTING_TABLE,
|
471 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
472 | 68b952f9 | Christos Stavrakakis | 'tags': 'ip-less-routed', |
473 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for an IP-less routed network using" |
474 | 68b952f9 | Christos Stavrakakis | " Proxy ARP",
|
475 | b7d38981 | Dimitris Aragiorgis | }, |
476 | b7d38981 | Dimitris Aragiorgis | 'MAC_FILTERED': {
|
477 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
478 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_MAC_FILTERED_BRIDGE,
|
479 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': 'pool', |
480 | 68b952f9 | Christos Stavrakakis | 'tags': 'private-filtered', |
481 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged networks that offer isolation" |
482 | 68b952f9 | Christos Stavrakakis | " via filtering packets based on their src "
|
483 | 68b952f9 | Christos Stavrakakis | " MAC (ebtables)",
|
484 | b7d38981 | Dimitris Aragiorgis | }, |
485 | b7d38981 | Dimitris Aragiorgis | 'PHYSICAL_VLAN': {
|
486 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
487 | 68b952f9 | Christos Stavrakakis | 'link': 'pool', |
488 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
489 | 68b952f9 | Christos Stavrakakis | 'tags': 'physical-vlan', |
490 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged network that offer isolation" |
491 | 68b952f9 | Christos Stavrakakis | " via dedicated physical vlan",
|
492 | b7d38981 | Dimitris Aragiorgis | }, |
493 | b7d38981 | Dimitris Aragiorgis | } |
494 | ce55f211 | Kostas Papadimitriou | |
495 | e6a42a96 | Christos Stavrakakis | name = models.CharField('Network Name', max_length=128) |
496 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=128, |
497 | 190d155f | Christos Stavrakakis | null=True, db_index=True) |
498 | 5aeb4e93 | Christos Stavrakakis | # subnet will be null for IPv6 only networks
|
499 | 5aeb4e93 | Christos Stavrakakis | subnet = models.CharField('Subnet', max_length=32, null=True) |
500 | 5aeb4e93 | Christos Stavrakakis | # subnet6 will be null for IPv4 only networks
|
501 | cc3f266e | Christos Stavrakakis | subnet6 = models.CharField('IPv6 Subnet', max_length=64, null=True) |
502 | e6a42a96 | Christos Stavrakakis | gateway = models.CharField('Gateway', max_length=32, null=True) |
503 | cc3f266e | Christos Stavrakakis | gateway6 = models.CharField('IPv6 Gateway', max_length=64, null=True) |
504 | e6a42a96 | Christos Stavrakakis | dhcp = models.BooleanField('DHCP', default=True) |
505 | b7d38981 | Dimitris Aragiorgis | flavor = models.CharField('Flavor', max_length=32, null=False) |
506 | b7d38981 | Dimitris Aragiorgis | mode = models.CharField('Network Mode', max_length=16, null=True) |
507 | b7d38981 | Dimitris Aragiorgis | link = models.CharField('Network Link', max_length=32, null=True) |
508 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
509 | b7d38981 | Dimitris Aragiorgis | tags = models.CharField('Network Tags', max_length=128, null=True) |
510 | 190d155f | Christos Stavrakakis | public = models.BooleanField(default=False, db_index=True) |
511 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
512 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
513 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
514 | fd65ab41 | Christos Stavrakakis | state = models.CharField(choices=OPER_STATES, max_length=32,
|
515 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
516 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
517 | 244c552b | Giorgos Verigakis | through='NetworkInterface')
|
518 | fd65ab41 | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=32, null=True, |
519 | fd65ab41 | Christos Stavrakakis | default=None)
|
520 | 6dafedf6 | Christos Stavrakakis | drained = models.BooleanField("Drained", default=False, null=False) |
521 | 9115d567 | Christos Stavrakakis | floating_ip_pool = models.BooleanField('Floating IP Pool', null=False, |
522 | b2d0830b | Christos Stavrakakis | default=False)
|
523 | fdc94944 | Christos Stavrakakis | pool = models.OneToOneField('IPPoolTable', related_name='network', |
524 | b2d0830b | Christos Stavrakakis | default=lambda: IPPoolTable.objects.create(
|
525 | b2d0830b | Christos Stavrakakis | available_map='',
|
526 | b2d0830b | Christos Stavrakakis | reserved_map='',
|
527 | b2d0830b | Christos Stavrakakis | size=0),
|
528 | b2d0830b | Christos Stavrakakis | null=True)
|
529 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, related_name='network',
|
530 | 004967e4 | Christos Stavrakakis | null=True)
|
531 | 77f0fa63 | Christos Stavrakakis | |
532 | 864bed43 | Christos Stavrakakis | objects = ForUpdateManager() |
533 | 77f0fa63 | Christos Stavrakakis | |
534 | cfd70896 | Christos Stavrakakis | def __unicode__(self): |
535 | cfd70896 | Christos Stavrakakis | return str(self.id) |
536 | cfd70896 | Christos Stavrakakis | |
537 | e6a42a96 | Christos Stavrakakis | @property
|
538 | e6a42a96 | Christos Stavrakakis | def backend_id(self): |
539 | fd65ab41 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
540 | e6a42a96 | Christos Stavrakakis | if not self.id: |
541 | e6a42a96 | Christos Stavrakakis | raise Network.InvalidBackendIdError("self.id is None") |
542 | d30f29aa | Christos Stavrakakis | return "%snet-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
543 | e6a42a96 | Christos Stavrakakis | |
544 | e6a42a96 | Christos Stavrakakis | @property
|
545 | e6a42a96 | Christos Stavrakakis | def backend_tag(self): |
546 | e6a42a96 | Christos Stavrakakis | """Return the network tag to be used in backend
|
547 | e6a42a96 | Christos Stavrakakis |
|
548 | e6a42a96 | Christos Stavrakakis | """
|
549 | b7d38981 | Dimitris Aragiorgis | if self.tags: |
550 | b7d38981 | Dimitris Aragiorgis | return self.tags.split(',') |
551 | b7d38981 | Dimitris Aragiorgis | else:
|
552 | b7d38981 | Dimitris Aragiorgis | return []
|
553 | e6a42a96 | Christos Stavrakakis | |
554 | 7cfbbf32 | Christos Stavrakakis | def create_backend_network(self, backend=None): |
555 | 7cfbbf32 | Christos Stavrakakis | """Create corresponding BackendNetwork entries."""
|
556 | 7cfbbf32 | Christos Stavrakakis | |
557 | b2d0830b | Christos Stavrakakis | backends = [backend] if backend else\ |
558 | b2d0830b | Christos Stavrakakis | Backend.objects.filter(offline=False)
|
559 | 7cfbbf32 | Christos Stavrakakis | for backend in backends: |
560 | 68b952f9 | Christos Stavrakakis | backend_exists =\ |
561 | 68b952f9 | Christos Stavrakakis | BackendNetwork.objects.filter(backend=backend, network=self)\
|
562 | 68b952f9 | Christos Stavrakakis | .exists() |
563 | 68b952f9 | Christos Stavrakakis | if not backend_exists: |
564 | ce9abd26 | Christos Stavrakakis | BackendNetwork.objects.create(backend=backend, network=self)
|
565 | fd65ab41 | Christos Stavrakakis | |
566 | b2d0830b | Christos Stavrakakis | def get_pool(self, with_lock=True): |
567 | 3718c0f1 | Christos Stavrakakis | if not self.pool_id: |
568 | 3718c0f1 | Christos Stavrakakis | self.pool = IPPoolTable.objects.create(available_map='', |
569 | 3718c0f1 | Christos Stavrakakis | reserved_map='',
|
570 | 3718c0f1 | Christos Stavrakakis | size=0)
|
571 | 3718c0f1 | Christos Stavrakakis | self.save()
|
572 | b2d0830b | Christos Stavrakakis | objects = IPPoolTable.objects |
573 | b2d0830b | Christos Stavrakakis | if with_lock:
|
574 | b2d0830b | Christos Stavrakakis | objects = objects.select_for_update() |
575 | b2d0830b | Christos Stavrakakis | return objects.get(id=self.pool_id).pool |
576 | 77f0fa63 | Christos Stavrakakis | |
577 | fdc94944 | Christos Stavrakakis | def reserve_address(self, address): |
578 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
579 | 77f0fa63 | Christos Stavrakakis | pool.reserve(address) |
580 | fdc94944 | Christos Stavrakakis | pool.save() |
581 | 77f0fa63 | Christos Stavrakakis | |
582 | fdc94944 | Christos Stavrakakis | def release_address(self, address): |
583 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
584 | fdc94944 | Christos Stavrakakis | pool.put(address) |
585 | fdc94944 | Christos Stavrakakis | pool.save() |
586 | 77f0fa63 | Christos Stavrakakis | |
587 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
588 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
589 | 048fab1e | Christos Stavrakakis | self.value = value
|
590 | 048fab1e | Christos Stavrakakis | |
591 | 048fab1e | Christos Stavrakakis | def __str__(self): |
592 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
593 | 048fab1e | Christos Stavrakakis | |
594 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
595 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
596 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
597 | 048fab1e | Christos Stavrakakis | self.status = status
|
598 | 048fab1e | Christos Stavrakakis | |
599 | 048fab1e | Christos Stavrakakis | def __str__(self): |
600 | 68b952f9 | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' |
601 | 68b952f9 | Christos Stavrakakis | % (self.opcode, self.status)) |
602 | 048fab1e | Christos Stavrakakis | |
603 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
604 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
605 | 048fab1e | Christos Stavrakakis | self._action = action
|
606 | 048fab1e | Christos Stavrakakis | |
607 | 048fab1e | Christos Stavrakakis | def __str__(self): |
608 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
609 | 048fab1e | Christos Stavrakakis | |
610 | 864bed43 | Christos Stavrakakis | |
611 | fd65ab41 | Christos Stavrakakis | class BackendNetwork(models.Model): |
612 | fd65ab41 | Christos Stavrakakis | OPER_STATES = ( |
613 | fd65ab41 | Christos Stavrakakis | ('PENDING', 'Pending'), |
614 | fd65ab41 | Christos Stavrakakis | ('ACTIVE', 'Active'), |
615 | fd65ab41 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
616 | fd65ab41 | Christos Stavrakakis | ('ERROR', 'Error') |
617 | fd65ab41 | Christos Stavrakakis | ) |
618 | fd65ab41 | Christos Stavrakakis | |
619 | fd65ab41 | Christos Stavrakakis | # The list of possible operations on the backend
|
620 | fd65ab41 | Christos Stavrakakis | BACKEND_OPCODES = ( |
621 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_ADD', 'Create Network'), |
622 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_CONNECT', 'Activate Network'), |
623 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_DISCONNECT', 'Deactivate Network'), |
624 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_REMOVE', 'Remove Network'), |
625 | fd65ab41 | Christos Stavrakakis | # These are listed here for completeness,
|
626 | fd65ab41 | Christos Stavrakakis | # and are ignored for the time being
|
627 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_SET_PARAMS', 'Set Network Parameters'), |
628 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_QUERY_DATA', 'Query Network Data') |
629 | fd65ab41 | Christos Stavrakakis | ) |
630 | fd65ab41 | Christos Stavrakakis | |
631 | fd65ab41 | Christos Stavrakakis | # The operating state of a Netowork,
|
632 | fd65ab41 | Christos Stavrakakis | # upon the successful completion of a backend operation.
|
633 | fd65ab41 | Christos Stavrakakis | # IMPORTANT: Make sure all keys have a corresponding
|
634 | fd65ab41 | Christos Stavrakakis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
635 | fd65ab41 | Christos Stavrakakis | OPER_STATE_FROM_OPCODE = { |
636 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_ADD': 'PENDING', |
637 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_CONNECT': 'ACTIVE', |
638 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_DISCONNECT': 'PENDING', |
639 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_REMOVE': 'DELETED', |
640 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_SET_PARAMS': None, |
641 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_QUERY_DATA': None |
642 | fd65ab41 | Christos Stavrakakis | } |
643 | fd65ab41 | Christos Stavrakakis | |
644 | fd65ab41 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='backend_networks')
|
645 | fd65ab41 | Christos Stavrakakis | backend = models.ForeignKey(Backend, related_name='networks')
|
646 | fd65ab41 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
647 | fd65ab41 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
648 | fd65ab41 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False) |
649 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
650 | fd65ab41 | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
651 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
652 | fd65ab41 | Christos Stavrakakis | backendjobid = models.PositiveIntegerField(null=True)
|
653 | fd65ab41 | Christos Stavrakakis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
654 | fd65ab41 | Christos Stavrakakis | null=True)
|
655 | fd65ab41 | Christos Stavrakakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
656 | fd65ab41 | Christos Stavrakakis | max_length=30, null=True) |
657 | fd65ab41 | Christos Stavrakakis | backendlogmsg = models.TextField(null=True)
|
658 | fd65ab41 | Christos Stavrakakis | backendtime = models.DateTimeField(null=False,
|
659 | fd65ab41 | Christos Stavrakakis | default=datetime.datetime.min) |
660 | fd65ab41 | Christos Stavrakakis | |
661 | 7cfbbf32 | Christos Stavrakakis | class Meta: |
662 | 7cfbbf32 | Christos Stavrakakis | # Ensure one entry for each network in each backend
|
663 | 7cfbbf32 | Christos Stavrakakis | unique_together = (("network", "backend")) |
664 | 7cfbbf32 | Christos Stavrakakis | |
665 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
666 | 3165f027 | Christos Stavrakakis | """Initialize state for just created BackendNetwork instances."""
|
667 | 3165f027 | Christos Stavrakakis | super(BackendNetwork, self).__init__(*args, **kwargs) |
668 | 3165f027 | Christos Stavrakakis | if not self.mac_prefix: |
669 | 3165f027 | Christos Stavrakakis | # Generate the MAC prefix of the BackendNetwork, by combining
|
670 | 3165f027 | Christos Stavrakakis | # the Network prefix with the index of the Backend
|
671 | 3165f027 | Christos Stavrakakis | net_prefix = self.network.mac_prefix
|
672 | 3165f027 | Christos Stavrakakis | backend_suffix = hex(self.backend.index).replace('0x', '') |
673 | 3165f027 | Christos Stavrakakis | mac_prefix = net_prefix + backend_suffix |
674 | 3165f027 | Christos Stavrakakis | try:
|
675 | 3165f027 | Christos Stavrakakis | utils.validate_mac(mac_prefix + ":00:00:00")
|
676 | 3165f027 | Christos Stavrakakis | except utils.InvalidMacAddress:
|
677 | 68b952f9 | Christos Stavrakakis | raise utils.InvalidMacAddress("Invalid MAC prefix '%s'" % |
678 | 68b952f9 | Christos Stavrakakis | mac_prefix) |
679 | 3165f027 | Christos Stavrakakis | self.mac_prefix = mac_prefix
|
680 | 3165f027 | Christos Stavrakakis | |
681 | 99af08a4 | Christos Stavrakakis | def __unicode__(self): |
682 | 99af08a4 | Christos Stavrakakis | return '<%s@%s>' % (self.network, self.backend) |
683 | 99af08a4 | Christos Stavrakakis | |
684 | f533f224 | Vangelis Koukis | |
685 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
686 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
687 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
688 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
689 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
690 | f533f224 | Vangelis Koukis | ) |
691 | ce55f211 | Kostas Papadimitriou | |
692 | 939d71dd | Christos Stavrakakis | STATES = ( |
693 | 939d71dd | Christos Stavrakakis | ("ACTIVE", "Active"), |
694 | 939d71dd | Christos Stavrakakis | ("BUILDING", "Building"), |
695 | 939d71dd | Christos Stavrakakis | ) |
696 | 939d71dd | Christos Stavrakakis | |
697 | f533f224 | Vangelis Koukis | machine = models.ForeignKey(VirtualMachine, related_name='nics')
|
698 | f533f224 | Vangelis Koukis | network = models.ForeignKey(Network, related_name='nics')
|
699 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
700 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
701 | 3b56bbe4 | Christos Stavrakakis | index = models.IntegerField(null=False)
|
702 | 939d71dd | Christos Stavrakakis | mac = models.CharField(max_length=32, null=True, unique=True) |
703 | f533f224 | Vangelis Koukis | ipv4 = models.CharField(max_length=15, null=True) |
704 | f533f224 | Vangelis Koukis | ipv6 = models.CharField(max_length=100, null=True) |
705 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
706 | 244c552b | Giorgos Verigakis | max_length=30, null=True) |
707 | 0196d9a3 | Christos Stavrakakis | dirty = models.BooleanField(default=False)
|
708 | ef54eee4 | Christos Stavrakakis | state = models.CharField(max_length=32, null=False, default="ACTIVE", |
709 | 939d71dd | Christos Stavrakakis | choices=STATES) |
710 | ce55f211 | Kostas Papadimitriou | |
711 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
712 | bc343480 | Christos Stavrakakis | return "<%s:vm:%s network:%s ipv4:%s ipv6:%s>" % \ |
713 | bc343480 | Christos Stavrakakis | (self.index, self.machine_id, self.network_id, self.ipv4, |
714 | bc343480 | Christos Stavrakakis | self.ipv6)
|
715 | f533f224 | Vangelis Koukis | |
716 | 0c50c760 | Christos Stavrakakis | @property
|
717 | 0c50c760 | Christos Stavrakakis | def is_floating_ip(self): |
718 | 0c50c760 | Christos Stavrakakis | network = self.network
|
719 | 0c50c760 | Christos Stavrakakis | if self.ipv4 and network.floating_ip_pool: |
720 | 0c50c760 | Christos Stavrakakis | return network.floating_ips.filter(machine=self.machine, |
721 | 0c50c760 | Christos Stavrakakis | ipv4=self.ipv4,
|
722 | 0c50c760 | Christos Stavrakakis | deleted=False).exists()
|
723 | 0c50c760 | Christos Stavrakakis | return False |
724 | 0c50c760 | Christos Stavrakakis | |
725 | f533f224 | Vangelis Koukis | |
726 | c2876228 | Christos Stavrakakis | class FloatingIP(models.Model): |
727 | c2876228 | Christos Stavrakakis | userid = models.CharField("UUID of the owner", max_length=128, |
728 | c2876228 | Christos Stavrakakis | null=False, db_index=True) |
729 | c2876228 | Christos Stavrakakis | ipv4 = models.IPAddressField(null=False, unique=True, db_index=True) |
730 | c2876228 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name="floating_ips",
|
731 | c2876228 | Christos Stavrakakis | null=False)
|
732 | c2876228 | Christos Stavrakakis | machine = models.ForeignKey(VirtualMachine, related_name="floating_ips",
|
733 | c2876228 | Christos Stavrakakis | null=True)
|
734 | c2876228 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
735 | c2876228 | Christos Stavrakakis | deleted = models.BooleanField(default=False, null=False) |
736 | c2876228 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
737 | c2876228 | Christos Stavrakakis | related_name="floating_ips", null=True) |
738 | c2876228 | Christos Stavrakakis | |
739 | c2876228 | Christos Stavrakakis | objects = ForUpdateManager() |
740 | c2876228 | Christos Stavrakakis | |
741 | c2876228 | Christos Stavrakakis | def __unicode__(self): |
742 | c2876228 | Christos Stavrakakis | return "<%s@%s>" % (self.ipv4, self.network.id) |
743 | c2876228 | Christos Stavrakakis | |
744 | c2876228 | Christos Stavrakakis | def in_use(self): |
745 | c2876228 | Christos Stavrakakis | if self.machine is None: |
746 | c2876228 | Christos Stavrakakis | return False |
747 | c2876228 | Christos Stavrakakis | else:
|
748 | c2876228 | Christos Stavrakakis | return (not self.machine.deleted) |
749 | c2876228 | Christos Stavrakakis | |
750 | c2876228 | Christos Stavrakakis | |
751 | 03992c72 | Christos Stavrakakis | class PoolTable(models.Model): |
752 | 03992c72 | Christos Stavrakakis | available_map = models.TextField(default="", null=False) |
753 | 03992c72 | Christos Stavrakakis | reserved_map = models.TextField(default="", null=False) |
754 | 03992c72 | Christos Stavrakakis | size = models.IntegerField(null=False)
|
755 | e1334eb6 | Christos Stavrakakis | |
756 | 03992c72 | Christos Stavrakakis | # Optional Fields
|
757 | 03992c72 | Christos Stavrakakis | base = models.CharField(null=True, max_length=32) |
758 | 03992c72 | Christos Stavrakakis | offset = models.IntegerField(null=True)
|
759 | ce55f211 | Kostas Papadimitriou | |
760 | e1334eb6 | Christos Stavrakakis | objects = ForUpdateManager() |
761 | e1334eb6 | Christos Stavrakakis | |
762 | e6a42a96 | Christos Stavrakakis | class Meta: |
763 | e6a42a96 | Christos Stavrakakis | abstract = True
|
764 | e6a42a96 | Christos Stavrakakis | |
765 | e6a42a96 | Christos Stavrakakis | @classmethod
|
766 | 03992c72 | Christos Stavrakakis | def get_pool(cls): |
767 | e6a42a96 | Christos Stavrakakis | try:
|
768 | 21c9042c | Christos Stavrakakis | pool_row = cls.objects.select_for_update().get() |
769 | 03992c72 | Christos Stavrakakis | return pool_row.pool
|
770 | 3bdfc1be | Christos Stavrakakis | except cls.DoesNotExist:
|
771 | 03992c72 | Christos Stavrakakis | raise pools.EmptyPool
|
772 | e6a42a96 | Christos Stavrakakis | |
773 | 03992c72 | Christos Stavrakakis | @property
|
774 | 03992c72 | Christos Stavrakakis | def pool(self): |
775 | 03992c72 | Christos Stavrakakis | return self.manager(self) |
776 | e6a42a96 | Christos Stavrakakis | |
777 | e6a42a96 | Christos Stavrakakis | |
778 | 03992c72 | Christos Stavrakakis | class BridgePoolTable(PoolTable): |
779 | 03992c72 | Christos Stavrakakis | manager = pools.BridgePool |
780 | e6a42a96 | Christos Stavrakakis | |
781 | fdc94944 | Christos Stavrakakis | |
782 | 03992c72 | Christos Stavrakakis | class MacPrefixPoolTable(PoolTable): |
783 | 03992c72 | Christos Stavrakakis | manager = pools.MacPrefixPool |
784 | fdc94944 | Christos Stavrakakis | |
785 | fdc94944 | Christos Stavrakakis | |
786 | fdc94944 | Christos Stavrakakis | class IPPoolTable(PoolTable): |
787 | fdc94944 | Christos Stavrakakis | manager = pools.IPPool |
788 | 3524241a | Christos Stavrakakis | |
789 | 3524241a | Christos Stavrakakis | |
790 | 3524241a | Christos Stavrakakis | @contextmanager
|
791 | 3524241a | Christos Stavrakakis | def pooled_rapi_client(obj): |
792 | 3524241a | Christos Stavrakakis | if isinstance(obj, VirtualMachine): |
793 | 3524241a | Christos Stavrakakis | backend = obj.backend |
794 | 3524241a | Christos Stavrakakis | else:
|
795 | 3524241a | Christos Stavrakakis | backend = obj |
796 | 3524241a | Christos Stavrakakis | |
797 | 3524241a | Christos Stavrakakis | if backend.offline:
|
798 | 99af08a4 | Christos Stavrakakis | log.warning("Trying to connect with offline backend: %s", backend)
|
799 | 0129231a | Christos Stavrakakis | raise faults.ServiceUnavailable("Can not connect to offline" |
800 | 0129231a | Christos Stavrakakis | " backend: %s" % backend)
|
801 | 3524241a | Christos Stavrakakis | |
802 | 3524241a | Christos Stavrakakis | b = backend |
803 | 3524241a | Christos Stavrakakis | client = get_rapi_client(b.id, b.hash, b.clustername, b.port, |
804 | 3524241a | Christos Stavrakakis | b.username, b.password) |
805 | 4216cd83 | Christos Stavrakakis | try:
|
806 | 4216cd83 | Christos Stavrakakis | yield client
|
807 | 4216cd83 | Christos Stavrakakis | finally:
|
808 | 4216cd83 | Christos Stavrakakis | put_rapi_client(client) |
809 | 6ce1fc56 | Kostas Papadimitriou | |
810 | 6ce1fc56 | Kostas Papadimitriou | |
811 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnosticManager(models.Manager): |
812 | 6ce1fc56 | Kostas Papadimitriou | """
|
813 | 6ce1fc56 | Kostas Papadimitriou | Custom manager for :class:`VirtualMachineDiagnostic` model.
|
814 | 6ce1fc56 | Kostas Papadimitriou | """
|
815 | 6ce1fc56 | Kostas Papadimitriou | |
816 | 6ce1fc56 | Kostas Papadimitriou | # diagnostic creation helpers
|
817 | 6ce1fc56 | Kostas Papadimitriou | def create_for_vm(self, vm, level, message, **kwargs): |
818 | 6ce1fc56 | Kostas Papadimitriou | attrs = {'machine': vm, 'level': level, 'message': message} |
819 | 6ce1fc56 | Kostas Papadimitriou | attrs.update(kwargs) |
820 | 6ce1fc56 | Kostas Papadimitriou | # update instance updated time
|
821 | 6ce1fc56 | Kostas Papadimitriou | self.create(**attrs)
|
822 | 6ce1fc56 | Kostas Papadimitriou | vm.save() |
823 | 6ce1fc56 | Kostas Papadimitriou | |
824 | 6ce1fc56 | Kostas Papadimitriou | def create_error(self, vm, **kwargs): |
825 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'ERROR', **kwargs) |
826 | 6ce1fc56 | Kostas Papadimitriou | |
827 | 6ce1fc56 | Kostas Papadimitriou | def create_debug(self, vm, **kwargs): |
828 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'DEBUG', **kwargs) |
829 | 6ce1fc56 | Kostas Papadimitriou | |
830 | 6ce1fc56 | Kostas Papadimitriou | def since(self, vm, created_since, **kwargs): |
831 | 6ce1fc56 | Kostas Papadimitriou | return self.get_query_set().filter(vm=vm, created__gt=created_since, |
832 | 68b952f9 | Christos Stavrakakis | **kwargs) |
833 | 6ce1fc56 | Kostas Papadimitriou | |
834 | 6ce1fc56 | Kostas Papadimitriou | |
835 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnostic(models.Model): |
836 | 6ce1fc56 | Kostas Papadimitriou | """
|
837 | 6ce1fc56 | Kostas Papadimitriou | Model to store backend information messages that relate to the state of
|
838 | 6ce1fc56 | Kostas Papadimitriou | the virtual machine.
|
839 | 6ce1fc56 | Kostas Papadimitriou | """
|
840 | 6ce1fc56 | Kostas Papadimitriou | |
841 | 6ce1fc56 | Kostas Papadimitriou | TYPES = ( |
842 | 6ce1fc56 | Kostas Papadimitriou | ('ERROR', 'Error'), |
843 | 6ce1fc56 | Kostas Papadimitriou | ('WARNING', 'Warning'), |
844 | 6ce1fc56 | Kostas Papadimitriou | ('INFO', 'Info'), |
845 | 6ce1fc56 | Kostas Papadimitriou | ('DEBUG', 'Debug'), |
846 | 6ce1fc56 | Kostas Papadimitriou | ) |
847 | 6ce1fc56 | Kostas Papadimitriou | |
848 | 6ce1fc56 | Kostas Papadimitriou | objects = VirtualMachineDiagnosticManager() |
849 | 6ce1fc56 | Kostas Papadimitriou | |
850 | 6ce1fc56 | Kostas Papadimitriou | created = models.DateTimeField(auto_now_add=True)
|
851 | 6ce1fc56 | Kostas Papadimitriou | machine = models.ForeignKey('VirtualMachine', related_name="diagnostics") |
852 | 6ce1fc56 | Kostas Papadimitriou | level = models.CharField(max_length=20, choices=TYPES)
|
853 | 6ce1fc56 | Kostas Papadimitriou | source = models.CharField(max_length=100)
|
854 | 6ce1fc56 | Kostas Papadimitriou | source_date = models.DateTimeField(null=True)
|
855 | 6ce1fc56 | Kostas Papadimitriou | message = models.CharField(max_length=255)
|
856 | 6ce1fc56 | Kostas Papadimitriou | details = models.TextField(null=True)
|
857 | 6ce1fc56 | Kostas Papadimitriou | |
858 | 6ce1fc56 | Kostas Papadimitriou | class Meta: |
859 | 6ce1fc56 | Kostas Papadimitriou | ordering = ['-created'] |