root / snf-cyclades-app / synnefo / db / models.py @ 004967e4
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1 | 244c552b | Giorgos Verigakis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 48130e66 | Georgios Gousios | #
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3 | 48130e66 | Georgios Gousios | # Redistribution and use in source and binary forms, with or without
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4 | 48130e66 | Georgios Gousios | # modification, are permitted provided that the following conditions
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5 | 48130e66 | Georgios Gousios | # are met:
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6 | 48130e66 | Georgios Gousios | #
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7 | 48130e66 | Georgios Gousios | # 1. Redistributions of source code must retain the above copyright
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8 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer.
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9 | 48130e66 | Georgios Gousios | #
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10 | 48130e66 | Georgios Gousios | # 2. Redistributions in binary form must reproduce the above copyright
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11 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer in the
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12 | 48130e66 | Georgios Gousios | # documentation and/or other materials provided with the distribution.
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13 | 48130e66 | Georgios Gousios | #
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14 | 48130e66 | Georgios Gousios | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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15 | 48130e66 | Georgios Gousios | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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16 | 48130e66 | Georgios Gousios | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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17 | 48130e66 | Georgios Gousios | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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18 | 48130e66 | Georgios Gousios | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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19 | 48130e66 | Georgios Gousios | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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20 | 48130e66 | Georgios Gousios | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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21 | 48130e66 | Georgios Gousios | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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22 | 48130e66 | Georgios Gousios | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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23 | 48130e66 | Georgios Gousios | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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24 | 48130e66 | Georgios Gousios | # SUCH DAMAGE.
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25 | 48130e66 | Georgios Gousios | #
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26 | 48130e66 | Georgios Gousios | # The views and conclusions contained in the software and documentation are
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27 | 48130e66 | Georgios Gousios | # those of the authors and should not be interpreted as representing official
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28 | 48130e66 | Georgios Gousios | # policies, either expressed or implied, of GRNET S.A.
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29 | 48130e66 | Georgios Gousios | |
30 | c4e55622 | Christos Stavrakakis | import datetime |
31 | c4e55622 | Christos Stavrakakis | |
32 | 9dbe70f8 | Markos Gogoulos | from django.conf import settings |
33 | 17935f41 | Vassilios Karakoidas | from django.db import models |
34 | aed9b901 | Christos Stavrakakis | from django.db import IntegrityError |
35 | 3165f027 | Christos Stavrakakis | |
36 | 3165f027 | Christos Stavrakakis | import utils |
37 | 3524241a | Christos Stavrakakis | from contextlib import contextmanager |
38 | aed9b901 | Christos Stavrakakis | from hashlib import sha1 |
39 | aed9b901 | Christos Stavrakakis | from synnefo.api.faults import ServiceUnavailable |
40 | e6a42a96 | Christos Stavrakakis | from synnefo import settings as snf_settings |
41 | 30e0ed74 | Christos Stavrakakis | from aes_encrypt import encrypt_db_charfield, decrypt_db_charfield |
42 | aed9b901 | Christos Stavrakakis | |
43 | 864bed43 | Christos Stavrakakis | from synnefo.db.managers import ForUpdateManager, ProtectedDeleteManager |
44 | 03992c72 | Christos Stavrakakis | from synnefo.db import pools |
45 | 864bed43 | Christos Stavrakakis | |
46 | 3524241a | Christos Stavrakakis | from synnefo.logic.rapi_pool import (get_rapi_client, |
47 | 3524241a | Christos Stavrakakis | put_rapi_client) |
48 | aed9b901 | Christos Stavrakakis | |
49 | b533e9b2 | Christos Stavrakakis | import logging |
50 | b533e9b2 | Christos Stavrakakis | log = logging.getLogger(__name__) |
51 | b533e9b2 | Christos Stavrakakis | |
52 | aed9b901 | Christos Stavrakakis | |
53 | e7164ebc | Vassilios Karakoidas | class Flavor(models.Model): |
54 | 13b3c5ff | Vassilios Karakoidas | cpu = models.IntegerField('Number of CPUs', default=0) |
55 | c909cbbd | Giorgos Verigakis | ram = models.IntegerField('RAM size in MiB', default=0) |
56 | c909cbbd | Giorgos Verigakis | disk = models.IntegerField('Disk size in GiB', default=0) |
57 | c909cbbd | Giorgos Verigakis | disk_template = models.CharField('Disk template', max_length=32, |
58 | 9ff7ca6f | Giorgos Verigakis | default=settings.DEFAULT_GANETI_DISK_TEMPLATE) |
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'
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63 | b1af40e2 | Giorgos Verigakis | unique_together = ('cpu', 'ram', 'disk', 'disk_template') |
64 | ce55f211 | Kostas Papadimitriou | |
65 | 9ff7ca6f | Giorgos Verigakis | @property
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66 | 9ff7ca6f | Giorgos Verigakis | def name(self): |
67 | f0f4edac | Vassilios Karakoidas | """Returns flavor name (generated)"""
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68 | d08a5f6f | Vangelis Koukis | return u'C%dR%dD%d' % (self.cpu, self.ram, self.disk) |
69 | ce55f211 | Kostas Papadimitriou | |
70 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
71 | cfd70896 | Christos Stavrakakis | return str(self.id) |
72 | 452d2391 | Vassilios Karakoidas | |
73 | 46547e14 | Faidon Liambotis | |
74 | aed9b901 | Christos Stavrakakis | class Backend(models.Model): |
75 | aed9b901 | Christos Stavrakakis | clustername = models.CharField('Cluster Name', max_length=128, unique=True) |
76 | aed9b901 | Christos Stavrakakis | port = models.PositiveIntegerField('Port', default=5080) |
77 | aed9b901 | Christos Stavrakakis | username = models.CharField('Username', max_length=64, blank=True, |
78 | aed9b901 | Christos Stavrakakis | null=True)
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79 | 2a8a60d5 | Christos Stavrakakis | password_hash = models.CharField('Password', max_length=128, blank=True, |
80 | aed9b901 | Christos Stavrakakis | null=True)
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81 | aed9b901 | Christos Stavrakakis | # Sha1 is up to 40 characters long
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82 | aed9b901 | Christos Stavrakakis | hash = models.CharField('Hash', max_length=40, editable=False, null=False) |
83 | 3165f027 | Christos Stavrakakis | # Unique index of the Backend, used for the mac-prefixes of the
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84 | 3165f027 | Christos Stavrakakis | # BackendNetworks
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85 | 3165f027 | Christos Stavrakakis | index = models.PositiveIntegerField('Index', null=False, unique=True, |
86 | 3165f027 | Christos Stavrakakis | default=0)
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87 | aed9b901 | Christos Stavrakakis | drained = models.BooleanField('Drained', default=False, null=False) |
88 | aed9b901 | Christos Stavrakakis | offline = models.BooleanField('Offline', default=False, null=False) |
89 | aed9b901 | Christos Stavrakakis | # Last refresh of backend resources
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90 | aed9b901 | Christos Stavrakakis | updated = models.DateTimeField(auto_now_add=True)
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91 | aed9b901 | Christos Stavrakakis | # Backend resources
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92 | aed9b901 | Christos Stavrakakis | mfree = models.PositiveIntegerField('Free Memory', default=0, null=False) |
93 | aed9b901 | Christos Stavrakakis | mtotal = models.PositiveIntegerField('Total Memory', default=0, null=False) |
94 | aed9b901 | Christos Stavrakakis | dfree = models.PositiveIntegerField('Free Disk', default=0, null=False) |
95 | aed9b901 | Christos Stavrakakis | dtotal = models.PositiveIntegerField('Total Disk', default=0, null=False) |
96 | aed9b901 | Christos Stavrakakis | pinst_cnt = models.PositiveIntegerField('Primary Instances', default=0, |
97 | aed9b901 | Christos Stavrakakis | null=False)
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98 | aed9b901 | Christos Stavrakakis | ctotal = models.PositiveIntegerField('Total number of logical processors',
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99 | aed9b901 | Christos Stavrakakis | default=0, null=False) |
100 | aed9b901 | Christos Stavrakakis | # Custom object manager to protect from cascade delete
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101 | 864bed43 | Christos Stavrakakis | objects = ProtectedDeleteManager() |
102 | aed9b901 | Christos Stavrakakis | |
103 | aed9b901 | Christos Stavrakakis | class Meta: |
104 | aed9b901 | Christos Stavrakakis | verbose_name = u'Backend'
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105 | aed9b901 | Christos Stavrakakis | ordering = ["clustername"]
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106 | aed9b901 | Christos Stavrakakis | |
107 | aed9b901 | Christos Stavrakakis | def __unicode__(self): |
108 | bf5c82dc | Christos Stavrakakis | return self.clustername + "(id=" + str(self.id) + ")" |
109 | aed9b901 | Christos Stavrakakis | |
110 | aed9b901 | Christos Stavrakakis | @property
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111 | aed9b901 | Christos Stavrakakis | def backend_id(self): |
112 | aed9b901 | Christos Stavrakakis | return self.id |
113 | aed9b901 | Christos Stavrakakis | |
114 | 3524241a | Christos Stavrakakis | def get_client(self): |
115 | aed9b901 | Christos Stavrakakis | """Get or create a client. """
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116 | 3524241a | Christos Stavrakakis | if self.offline: |
117 | aed9b901 | Christos Stavrakakis | raise ServiceUnavailable
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118 | 3524241a | Christos Stavrakakis | return get_rapi_client(self.id, self.hash, |
119 | cc50e51a | Christos Stavrakakis | self.clustername,
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120 | cc50e51a | Christos Stavrakakis | self.port,
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121 | 3524241a | Christos Stavrakakis | self.username,
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122 | 3524241a | Christos Stavrakakis | self.password)
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123 | 3524241a | Christos Stavrakakis | |
124 | 3524241a | Christos Stavrakakis | @staticmethod
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125 | 3524241a | Christos Stavrakakis | def put_client(client): |
126 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
127 | aed9b901 | Christos Stavrakakis | |
128 | aed9b901 | Christos Stavrakakis | def create_hash(self): |
129 | aed9b901 | Christos Stavrakakis | """Create a hash for this backend. """
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130 | aed9b901 | Christos Stavrakakis | return sha1('%s%s%s%s' % \ |
131 | aed9b901 | Christos Stavrakakis | (self.clustername, self.port, self.username, self.password)) \ |
132 | aed9b901 | Christos Stavrakakis | .hexdigest() |
133 | aed9b901 | Christos Stavrakakis | |
134 | 30e0ed74 | Christos Stavrakakis | @property
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135 | 30e0ed74 | Christos Stavrakakis | def password(self): |
136 | 30e0ed74 | Christos Stavrakakis | return decrypt_db_charfield(self.password_hash) |
137 | 30e0ed74 | Christos Stavrakakis | |
138 | 30e0ed74 | Christos Stavrakakis | @password.setter
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139 | 30e0ed74 | Christos Stavrakakis | def password(self, value): |
140 | 30e0ed74 | Christos Stavrakakis | self.password_hash = encrypt_db_charfield(value)
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141 | 30e0ed74 | Christos Stavrakakis | |
142 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
143 | aed9b901 | Christos Stavrakakis | # Create a new hash each time a Backend is saved
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144 | aed9b901 | Christos Stavrakakis | old_hash = self.hash
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145 | aed9b901 | Christos Stavrakakis | self.hash = self.create_hash() |
146 | aed9b901 | Christos Stavrakakis | super(Backend, self).save(*args, **kwargs) |
147 | aed9b901 | Christos Stavrakakis | if self.hash != old_hash: |
148 | aed9b901 | Christos Stavrakakis | # Populate the new hash to the new instances
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149 | aed9b901 | Christos Stavrakakis | self.virtual_machines.filter(deleted=False).update(backend_hash=self.hash) |
150 | aed9b901 | Christos Stavrakakis | |
151 | aed9b901 | Christos Stavrakakis | def delete(self, *args, **kwargs): |
152 | aed9b901 | Christos Stavrakakis | # Integrity Error if non-deleted VMs are associated with Backend
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153 | aed9b901 | Christos Stavrakakis | if self.virtual_machines.filter(deleted=False).count(): |
154 | aed9b901 | Christos Stavrakakis | raise IntegrityError("Non-deleted virtual machines are associated " |
155 | aed9b901 | Christos Stavrakakis | "with backend: %s" % self) |
156 | aed9b901 | Christos Stavrakakis | else:
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157 | aed9b901 | Christos Stavrakakis | # ON_DELETE = SET NULL
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158 | fd65ab41 | Christos Stavrakakis | self.virtual_machines.all().backend = None |
159 | 82c1c610 | Christos Stavrakakis | # Remove BackendNetworks of this Backend.
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160 | 82c1c610 | Christos Stavrakakis | # Do not use networks.all().delete(), since delete() method of
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161 | 82c1c610 | Christos Stavrakakis | # BackendNetwork will not be called!
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162 | 82c1c610 | Christos Stavrakakis | for net in self.networks.all(): |
163 | 82c1c610 | Christos Stavrakakis | net.delete() |
164 | aed9b901 | Christos Stavrakakis | super(Backend, self).delete(*args, **kwargs) |
165 | aed9b901 | Christos Stavrakakis | |
166 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
167 | 3165f027 | Christos Stavrakakis | super(Backend, self).__init__(*args, **kwargs) |
168 | 3165f027 | Christos Stavrakakis | if not self.pk: |
169 | 3165f027 | Christos Stavrakakis | # Generate a unique index for the Backend
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170 | 3165f027 | Christos Stavrakakis | indexes = Backend.objects.all().values_list('index', flat=True) |
171 | 3165f027 | Christos Stavrakakis | first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
172 | 3165f027 | Christos Stavrakakis | self.index = first_free
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173 | 3165f027 | Christos Stavrakakis | |
174 | aed9b901 | Christos Stavrakakis | |
175 | fd65ab41 | Christos Stavrakakis | # A backend job may be in one of the following possible states
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176 | fd65ab41 | Christos Stavrakakis | BACKEND_STATUSES = ( |
177 | fd65ab41 | Christos Stavrakakis | ('queued', 'request queued'), |
178 | fd65ab41 | Christos Stavrakakis | ('waiting', 'request waiting for locks'), |
179 | fd65ab41 | Christos Stavrakakis | ('canceling', 'request being canceled'), |
180 | fd65ab41 | Christos Stavrakakis | ('running', 'request running'), |
181 | fd65ab41 | Christos Stavrakakis | ('canceled', 'request canceled'), |
182 | fd65ab41 | Christos Stavrakakis | ('success', 'request completed successfully'), |
183 | fd65ab41 | Christos Stavrakakis | ('error', 'request returned error') |
184 | fd65ab41 | Christos Stavrakakis | ) |
185 | fd65ab41 | Christos Stavrakakis | |
186 | fd65ab41 | Christos Stavrakakis | |
187 | 3416e629 | Christos Stavrakakis | class QuotaHolderSerial(models.Model): |
188 | 3416e629 | Christos Stavrakakis | serial = models.BigIntegerField(null=False, primary_key=True, db_index=True) |
189 | 3416e629 | Christos Stavrakakis | pending = models.BooleanField(default=True, db_index=True) |
190 | 3416e629 | Christos Stavrakakis | accepted = models.BooleanField(default=False)
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191 | 3416e629 | Christos Stavrakakis | rejected = models.BooleanField(default=False)
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192 | 3416e629 | Christos Stavrakakis | |
193 | 3416e629 | Christos Stavrakakis | class Meta: |
194 | 3416e629 | Christos Stavrakakis | verbose_name = u'Quota Serial'
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195 | 3416e629 | Christos Stavrakakis | ordering = ["serial"]
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196 | 3416e629 | Christos Stavrakakis | |
197 | 3416e629 | Christos Stavrakakis | def save(self, *args, **kwargs): |
198 | 3416e629 | Christos Stavrakakis | self.pending = not (self.accepted or self.rejected) |
199 | 3416e629 | Christos Stavrakakis | super(QuotaHolderSerial, self).save(*args, **kwargs) |
200 | 3416e629 | Christos Stavrakakis | |
201 | 3416e629 | Christos Stavrakakis | |
202 | 07f3219d | Vassilios Karakoidas | class VirtualMachine(models.Model): |
203 | c92af313 | Vangelis Koukis | # The list of possible actions for a VM
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204 | d08a5f6f | Vangelis Koukis | ACTIONS = ( |
205 | d08a5f6f | Vangelis Koukis | ('CREATE', 'Create VM'), |
206 | d08a5f6f | Vangelis Koukis | ('START', 'Start VM'), |
207 | d08a5f6f | Vangelis Koukis | ('STOP', 'Shutdown VM'), |
208 | d08a5f6f | Vangelis Koukis | ('SUSPEND', 'Admin Suspend VM'), |
209 | d08a5f6f | Vangelis Koukis | ('REBOOT', 'Reboot VM'), |
210 | d08a5f6f | Vangelis Koukis | ('DESTROY', 'Destroy VM') |
211 | d08a5f6f | Vangelis Koukis | ) |
212 | ce55f211 | Kostas Papadimitriou | |
213 | c92af313 | Vangelis Koukis | # The internal operating state of a VM
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214 | d08a5f6f | Vangelis Koukis | OPER_STATES = ( |
215 | d08a5f6f | Vangelis Koukis | ('BUILD', 'Queued for creation'), |
216 | d08a5f6f | Vangelis Koukis | ('ERROR', 'Creation failed'), |
217 | d08a5f6f | Vangelis Koukis | ('STOPPED', 'Stopped'), |
218 | d08a5f6f | Vangelis Koukis | ('STARTED', 'Started'), |
219 | d08a5f6f | Vangelis Koukis | ('DESTROYED', 'Destroyed') |
220 | d08a5f6f | Vangelis Koukis | ) |
221 | ce55f211 | Kostas Papadimitriou | |
222 | c92af313 | Vangelis Koukis | # The list of possible operations on the backend
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223 | d08a5f6f | Vangelis Koukis | BACKEND_OPCODES = ( |
224 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_CREATE', 'Create Instance'), |
225 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_REMOVE', 'Remove Instance'), |
226 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_STARTUP', 'Startup Instance'), |
227 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_SHUTDOWN', 'Shutdown Instance'), |
228 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_REBOOT', 'Reboot Instance'), |
229 | 26fef2b9 | Vangelis Koukis | |
230 | 26fef2b9 | Vangelis Koukis | # These are listed here for completeness,
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231 | 26fef2b9 | Vangelis Koukis | # and are ignored for the time being
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232 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_SET_PARAMS', 'Set Instance Parameters'), |
233 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_QUERY_DATA', 'Query Instance Data'), |
234 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REINSTALL', 'Reinstall Instance'), |
235 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_ACTIVATE_DISKS', 'Activate Disks'), |
236 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_DEACTIVATE_DISKS', 'Deactivate Disks'), |
237 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REPLACE_DISKS', 'Replace Disks'), |
238 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_MIGRATE', 'Migrate Instance'), |
239 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_CONSOLE', 'Get Instance Console'), |
240 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_RECREATE_DISKS', 'Recreate Disks'), |
241 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_FAILOVER', 'Failover Instance') |
242 | d08a5f6f | Vangelis Koukis | ) |
243 | ce55f211 | Kostas Papadimitriou | |
244 | d08a5f6f | Vangelis Koukis | # The operating state of a VM,
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245 | d08a5f6f | Vangelis Koukis | # upon the successful completion of a backend operation.
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246 | 21d8adbf | Vangelis Koukis | # IMPORTANT: Make sure all keys have a corresponding
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247 | 21d8adbf | Vangelis Koukis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
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248 | d08a5f6f | Vangelis Koukis | OPER_STATE_FROM_OPCODE = { |
249 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_CREATE': 'STARTED', |
250 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_REMOVE': 'DESTROYED', |
251 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_STARTUP': 'STARTED', |
252 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_SHUTDOWN': 'STOPPED', |
253 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_REBOOT': 'STARTED', |
254 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_SET_PARAMS': None, |
255 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_QUERY_DATA': None, |
256 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REINSTALL': None, |
257 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_ACTIVATE_DISKS': None, |
258 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_DEACTIVATE_DISKS': None, |
259 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REPLACE_DISKS': None, |
260 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_MIGRATE': None, |
261 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_CONSOLE': None, |
262 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_RECREATE_DISKS': None, |
263 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_FAILOVER': None |
264 | d08a5f6f | Vangelis Koukis | } |
265 | d08a5f6f | Vangelis Koukis | |
266 | c92af313 | Vangelis Koukis | # This dictionary contains the correspondence between
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267 | c92af313 | Vangelis Koukis | # internal operating states and Server States as defined
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268 | c92af313 | Vangelis Koukis | # by the Rackspace API.
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269 | d08a5f6f | Vangelis Koukis | RSAPI_STATE_FROM_OPER_STATE = { |
270 | d08a5f6f | Vangelis Koukis | "BUILD": "BUILD", |
271 | d08a5f6f | Vangelis Koukis | "ERROR": "ERROR", |
272 | d08a5f6f | Vangelis Koukis | "STOPPED": "STOPPED", |
273 | d08a5f6f | Vangelis Koukis | "STARTED": "ACTIVE", |
274 | d08a5f6f | Vangelis Koukis | "DESTROYED": "DELETED" |
275 | d08a5f6f | Vangelis Koukis | } |
276 | d08a5f6f | Vangelis Koukis | |
277 | 4daac449 | Vassilios Karakoidas | name = models.CharField('Virtual Machine Name', max_length=255) |
278 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=100, |
279 | 190d155f | Christos Stavrakakis | db_index=True)
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280 | aed9b901 | Christos Stavrakakis | backend = models.ForeignKey(Backend, null=True,
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281 | aed9b901 | Christos Stavrakakis | related_name="virtual_machines",)
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282 | aed9b901 | Christos Stavrakakis | backend_hash = models.CharField(max_length=128, null=True, editable=False) |
283 | d174b105 | Vassilios Karakoidas | created = models.DateTimeField(auto_now_add=True)
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284 | d174b105 | Vassilios Karakoidas | updated = models.DateTimeField(auto_now=True)
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285 | 936afb7b | Giorgos Verigakis | imageid = models.CharField(max_length=100, null=False) |
286 | 22571df6 | Vassilios Karakoidas | hostid = models.CharField(max_length=100)
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287 | 46547e14 | Faidon Liambotis | flavor = models.ForeignKey(Flavor) |
288 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
289 | 9ff7ca6f | Giorgos Verigakis | suspended = models.BooleanField('Administratively Suspended',
|
290 | 244c552b | Giorgos Verigakis | default=False)
|
291 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
292 | 004967e4 | Christos Stavrakakis | related_name='virtual_machine', null=True) |
293 | d08a5f6f | Vangelis Koukis | |
294 | ce55f211 | Kostas Papadimitriou | # VM State
|
295 | 52194743 | Vangelis Koukis | # The following fields are volatile data, in the sense
|
296 | 52194743 | Vangelis Koukis | # that they need not be persistent in the DB, but rather
|
297 | 52194743 | Vangelis Koukis | # get generated at runtime by quering Ganeti and applying
|
298 | 52194743 | Vangelis Koukis | # updates received from Ganeti.
|
299 | ce55f211 | Kostas Papadimitriou | |
300 | 73b2b65e | Vassilios Karakoidas | # In the future they could be moved to a separate caching layer
|
301 | 73b2b65e | Vassilios Karakoidas | # and removed from the database.
|
302 | 73b2b65e | Vassilios Karakoidas | # [vkoukis] after discussion with [faidon].
|
303 | dfd19c2d | Vassilios Karakoidas | action = models.CharField(choices=ACTIONS, max_length=30, null=True) |
304 | dfd19c2d | Vassilios Karakoidas | operstate = models.CharField(choices=OPER_STATES, max_length=30, null=True) |
305 | dfd19c2d | Vassilios Karakoidas | backendjobid = models.PositiveIntegerField(null=True)
|
306 | f533f224 | Vangelis Koukis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
307 | aed9b901 | Christos Stavrakakis | null=True)
|
308 | 9ff7ca6f | Giorgos Verigakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
309 | aed9b901 | Christos Stavrakakis | max_length=30, null=True) |
310 | dfd19c2d | Vassilios Karakoidas | backendlogmsg = models.TextField(null=True)
|
311 | 19da4325 | Vangelis Koukis | buildpercentage = models.IntegerField(default=0)
|
312 | c4e55622 | Christos Stavrakakis | backendtime = models.DateTimeField(default=datetime.datetime.min) |
313 | 9068cd85 | Georgios Gousios | |
314 | 7f2dbcad | Christos Stavrakakis | objects = ForUpdateManager() |
315 | 7f2dbcad | Christos Stavrakakis | |
316 | 3524241a | Christos Stavrakakis | def get_client(self): |
317 | 3524241a | Christos Stavrakakis | if self.backend: |
318 | 2cea7f38 | Christos Stavrakakis | return self.backend.get_client() |
319 | aed9b901 | Christos Stavrakakis | else:
|
320 | aed9b901 | Christos Stavrakakis | raise ServiceUnavailable
|
321 | aed9b901 | Christos Stavrakakis | |
322 | 6ce1fc56 | Kostas Papadimitriou | def get_last_diagnostic(self, **filters): |
323 | 6ce1fc56 | Kostas Papadimitriou | try:
|
324 | 6ce1fc56 | Kostas Papadimitriou | return self.diagnostics.filter()[0] |
325 | 6ce1fc56 | Kostas Papadimitriou | except IndexError: |
326 | 6ce1fc56 | Kostas Papadimitriou | return None |
327 | 6ce1fc56 | Kostas Papadimitriou | |
328 | 3524241a | Christos Stavrakakis | @staticmethod
|
329 | 3524241a | Christos Stavrakakis | def put_client(client): |
330 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
331 | 3524241a | Christos Stavrakakis | |
332 | 3846dfd0 | Vassilios Karakoidas | def __init__(self, *args, **kw): |
333 | d08a5f6f | Vangelis Koukis | """Initialize state for just created VM instances."""
|
334 | d08a5f6f | Vangelis Koukis | super(VirtualMachine, self).__init__(*args, **kw) |
335 | bc9c872b | Vangelis Koukis | # This gets called BEFORE an instance gets save()d for
|
336 | bc9c872b | Vangelis Koukis | # the first time.
|
337 | ce55f211 | Kostas Papadimitriou | if not self.pk: |
338 | dfd19c2d | Vassilios Karakoidas | self.action = None |
339 | dfd19c2d | Vassilios Karakoidas | self.backendjobid = None |
340 | dfd19c2d | Vassilios Karakoidas | self.backendjobstatus = None |
341 | dfd19c2d | Vassilios Karakoidas | self.backendopcode = None |
342 | dfd19c2d | Vassilios Karakoidas | self.backendlogmsg = None |
343 | dfd19c2d | Vassilios Karakoidas | self.operstate = 'BUILD' |
344 | ce55f211 | Kostas Papadimitriou | |
345 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
346 | aed9b901 | Christos Stavrakakis | # Store hash for first time saved vm
|
347 | aed9b901 | Christos Stavrakakis | if (self.id is None or self.backend_hash == '') and self.backend: |
348 | aed9b901 | Christos Stavrakakis | self.backend_hash = self.backend.hash |
349 | aed9b901 | Christos Stavrakakis | super(VirtualMachine, self).save(*args, **kwargs) |
350 | aed9b901 | Christos Stavrakakis | |
351 | 9ff7ca6f | Giorgos Verigakis | @property
|
352 | 924d8085 | Christos Stavrakakis | def backend_vm_id(self): |
353 | 224b5e19 | Markos Gogoulos | """Returns the backend id for this VM by prepending backend-prefix."""
|
354 | 76ba77c1 | Vangelis Koukis | if not self.id: |
355 | 76ba77c1 | Vangelis Koukis | raise VirtualMachine.InvalidBackendIdError("self.id is None") |
356 | d30f29aa | Christos Stavrakakis | return "%s%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
357 | ce55f211 | Kostas Papadimitriou | |
358 | d08a5f6f | Vangelis Koukis | class Meta: |
359 | d08a5f6f | Vangelis Koukis | verbose_name = u'Virtual machine instance'
|
360 | d08a5f6f | Vangelis Koukis | get_latest_by = 'created'
|
361 | ce55f211 | Kostas Papadimitriou | |
362 | d08a5f6f | Vangelis Koukis | def __unicode__(self): |
363 | cfd70896 | Christos Stavrakakis | return str(self.id) |
364 | d08a5f6f | Vangelis Koukis | |
365 | 048fab1e | Christos Stavrakakis | # Error classes
|
366 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
367 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
368 | 048fab1e | Christos Stavrakakis | self.value = value
|
369 | 048fab1e | Christos Stavrakakis | |
370 | 048fab1e | Christos Stavrakakis | def __str__(self): |
371 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
372 | 048fab1e | Christos Stavrakakis | |
373 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
374 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
375 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
376 | 048fab1e | Christos Stavrakakis | self.status = status
|
377 | 048fab1e | Christos Stavrakakis | |
378 | 048fab1e | Christos Stavrakakis | def __str__(self): |
379 | 048fab1e | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' % (self.opcode, |
380 | 048fab1e | Christos Stavrakakis | self.status))
|
381 | 048fab1e | Christos Stavrakakis | |
382 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
383 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
384 | 048fab1e | Christos Stavrakakis | self._action = action
|
385 | 048fab1e | Christos Stavrakakis | |
386 | 048fab1e | Christos Stavrakakis | def __str__(self): |
387 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
388 | 048fab1e | Christos Stavrakakis | |
389 | 048fab1e | Christos Stavrakakis | class DeletedError(Exception): |
390 | 048fab1e | Christos Stavrakakis | pass
|
391 | 048fab1e | Christos Stavrakakis | |
392 | 048fab1e | Christos Stavrakakis | class BuildingError(Exception): |
393 | 048fab1e | Christos Stavrakakis | pass
|
394 | 048fab1e | Christos Stavrakakis | |
395 | 4ffb82dc | Vassilios Karakoidas | |
396 | be7b8d37 | Vassilios Karakoidas | class VirtualMachineMetadata(models.Model): |
397 | be7b8d37 | Vassilios Karakoidas | meta_key = models.CharField(max_length=50)
|
398 | be7b8d37 | Vassilios Karakoidas | meta_value = models.CharField(max_length=500)
|
399 | 7cc3c7d9 | Giorgos Verigakis | vm = models.ForeignKey(VirtualMachine, related_name='metadata')
|
400 | ce55f211 | Kostas Papadimitriou | |
401 | be7b8d37 | Vassilios Karakoidas | class Meta: |
402 | 1bd24df6 | Giorgos Verigakis | unique_together = (('meta_key', 'vm'),) |
403 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Key-value pair of metadata for a VM.'
|
404 | ce55f211 | Kostas Papadimitriou | |
405 | be7b8d37 | Vassilios Karakoidas | def __unicode__(self): |
406 | 9ff7ca6f | Giorgos Verigakis | return u'%s: %s' % (self.meta_key, self.meta_value) |
407 | be7b8d37 | Vassilios Karakoidas | |
408 | be7b8d37 | Vassilios Karakoidas | |
409 | 0269afd6 | Giorgos Verigakis | class Network(models.Model): |
410 | e6a42a96 | Christos Stavrakakis | OPER_STATES = ( |
411 | e6a42a96 | Christos Stavrakakis | ('PENDING', 'Pending'), |
412 | f533f224 | Vangelis Koukis | ('ACTIVE', 'Active'), |
413 | e6a42a96 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
414 | e6a42a96 | Christos Stavrakakis | ('ERROR', 'Error') |
415 | e6a42a96 | Christos Stavrakakis | ) |
416 | e6a42a96 | Christos Stavrakakis | |
417 | e6a42a96 | Christos Stavrakakis | ACTIONS = ( |
418 | e6a42a96 | Christos Stavrakakis | ('CREATE', 'Create Network'), |
419 | e6a42a96 | Christos Stavrakakis | ('DESTROY', 'Destroy Network'), |
420 | e6a42a96 | Christos Stavrakakis | ) |
421 | e6a42a96 | Christos Stavrakakis | |
422 | e6a42a96 | Christos Stavrakakis | RSAPI_STATE_FROM_OPER_STATE = { |
423 | e6a42a96 | Christos Stavrakakis | 'PENDING': 'PENDING', |
424 | e6a42a96 | Christos Stavrakakis | 'ACTIVE': 'ACTIVE', |
425 | e6a42a96 | Christos Stavrakakis | 'DELETED': 'DELETED', |
426 | e6a42a96 | Christos Stavrakakis | 'ERROR': 'ERROR' |
427 | e6a42a96 | Christos Stavrakakis | } |
428 | e6a42a96 | Christos Stavrakakis | |
429 | e6a42a96 | Christos Stavrakakis | NETWORK_TYPES = ( |
430 | e6a42a96 | Christos Stavrakakis | ('PUBLIC_ROUTED', 'Public routed network'), |
431 | 839e2bd0 | Christos Stavrakakis | ('PRIVATE_PHYSICAL_VLAN', 'Private vlan network'), |
432 | 839e2bd0 | Christos Stavrakakis | ('PRIVATE_MAC_FILTERED', 'Private network with mac-filtering'), |
433 | 839e2bd0 | Christos Stavrakakis | ('CUSTOM_ROUTED', 'Custom routed network'), |
434 | 839e2bd0 | Christos Stavrakakis | ('CUSTOM_BRIDGED', 'Custom bridged network') |
435 | f533f224 | Vangelis Koukis | ) |
436 | ce55f211 | Kostas Papadimitriou | |
437 | e6a42a96 | Christos Stavrakakis | name = models.CharField('Network Name', max_length=128) |
438 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=128, |
439 | 190d155f | Christos Stavrakakis | null=True, db_index=True) |
440 | e6a42a96 | Christos Stavrakakis | subnet = models.CharField('Subnet', max_length=32, default='10.0.0.0/24') |
441 | cc3f266e | Christos Stavrakakis | subnet6 = models.CharField('IPv6 Subnet', max_length=64, null=True) |
442 | e6a42a96 | Christos Stavrakakis | gateway = models.CharField('Gateway', max_length=32, null=True) |
443 | cc3f266e | Christos Stavrakakis | gateway6 = models.CharField('IPv6 Gateway', max_length=64, null=True) |
444 | e6a42a96 | Christos Stavrakakis | dhcp = models.BooleanField('DHCP', default=True) |
445 | 839e2bd0 | Christos Stavrakakis | type = models.CharField(choices=NETWORK_TYPES, max_length=50,
|
446 | 839e2bd0 | Christos Stavrakakis | default='PRIVATE_PHYSICAL_VLAN')
|
447 | e6a42a96 | Christos Stavrakakis | link = models.CharField('Network Link', max_length=128, null=True) |
448 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
449 | 190d155f | Christos Stavrakakis | public = models.BooleanField(default=False, db_index=True) |
450 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
451 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
452 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
453 | fd65ab41 | Christos Stavrakakis | state = models.CharField(choices=OPER_STATES, max_length=32,
|
454 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
455 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
456 | 244c552b | Giorgos Verigakis | through='NetworkInterface')
|
457 | fd65ab41 | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=32, null=True, |
458 | fd65ab41 | Christos Stavrakakis | default=None)
|
459 | e6a42a96 | Christos Stavrakakis | |
460 | fdc94944 | Christos Stavrakakis | pool = models.OneToOneField('IPPoolTable', related_name='network', |
461 | 941992c4 | Christos Stavrakakis | default=lambda: IPPoolTable.objects.create(available_map='', |
462 | 941992c4 | Christos Stavrakakis | reserved_map='',
|
463 | 941992c4 | Christos Stavrakakis | size=0),
|
464 | 941992c4 | Christos Stavrakakis | null=True)
|
465 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, related_name='network',
|
466 | 004967e4 | Christos Stavrakakis | null=True)
|
467 | 77f0fa63 | Christos Stavrakakis | |
468 | 864bed43 | Christos Stavrakakis | objects = ForUpdateManager() |
469 | 77f0fa63 | Christos Stavrakakis | |
470 | cfd70896 | Christos Stavrakakis | def __unicode__(self): |
471 | cfd70896 | Christos Stavrakakis | return str(self.id) |
472 | cfd70896 | Christos Stavrakakis | |
473 | e6a42a96 | Christos Stavrakakis | @property
|
474 | e6a42a96 | Christos Stavrakakis | def backend_id(self): |
475 | fd65ab41 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
476 | e6a42a96 | Christos Stavrakakis | if not self.id: |
477 | e6a42a96 | Christos Stavrakakis | raise Network.InvalidBackendIdError("self.id is None") |
478 | d30f29aa | Christos Stavrakakis | return "%snet-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
479 | e6a42a96 | Christos Stavrakakis | |
480 | e6a42a96 | Christos Stavrakakis | @property
|
481 | e6a42a96 | Christos Stavrakakis | def backend_tag(self): |
482 | e6a42a96 | Christos Stavrakakis | """Return the network tag to be used in backend
|
483 | e6a42a96 | Christos Stavrakakis |
|
484 | e6a42a96 | Christos Stavrakakis | """
|
485 | 839e2bd0 | Christos Stavrakakis | return getattr(snf_settings, self.type + '_TAGS') |
486 | e6a42a96 | Christos Stavrakakis | |
487 | 7cfbbf32 | Christos Stavrakakis | def create_backend_network(self, backend=None): |
488 | 7cfbbf32 | Christos Stavrakakis | """Create corresponding BackendNetwork entries."""
|
489 | 7cfbbf32 | Christos Stavrakakis | |
490 | 7cfbbf32 | Christos Stavrakakis | backends = [backend] if backend else Backend.objects.all() |
491 | 7cfbbf32 | Christos Stavrakakis | for backend in backends: |
492 | 7cfbbf32 | Christos Stavrakakis | BackendNetwork.objects.create(backend=backend, network=self)
|
493 | fd65ab41 | Christos Stavrakakis | |
494 | fdc94944 | Christos Stavrakakis | def get_pool(self): |
495 | 3718c0f1 | Christos Stavrakakis | if not self.pool_id: |
496 | 3718c0f1 | Christos Stavrakakis | self.pool = IPPoolTable.objects.create(available_map='', |
497 | 3718c0f1 | Christos Stavrakakis | reserved_map='',
|
498 | 3718c0f1 | Christos Stavrakakis | size=0)
|
499 | 3718c0f1 | Christos Stavrakakis | self.save()
|
500 | 048fab1e | Christos Stavrakakis | return IPPoolTable.objects.select_for_update().get(id=self.pool_id)\ |
501 | 048fab1e | Christos Stavrakakis | .pool |
502 | 77f0fa63 | Christos Stavrakakis | |
503 | fdc94944 | Christos Stavrakakis | def reserve_address(self, address): |
504 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
505 | 77f0fa63 | Christos Stavrakakis | pool.reserve(address) |
506 | fdc94944 | Christos Stavrakakis | pool.save() |
507 | 77f0fa63 | Christos Stavrakakis | |
508 | fdc94944 | Christos Stavrakakis | def release_address(self, address): |
509 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
510 | fdc94944 | Christos Stavrakakis | pool.put(address) |
511 | fdc94944 | Christos Stavrakakis | pool.save() |
512 | 77f0fa63 | Christos Stavrakakis | |
513 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
514 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
515 | 048fab1e | Christos Stavrakakis | self.value = value
|
516 | 048fab1e | Christos Stavrakakis | |
517 | 048fab1e | Christos Stavrakakis | def __str__(self): |
518 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
519 | 048fab1e | Christos Stavrakakis | |
520 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
521 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
522 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
523 | 048fab1e | Christos Stavrakakis | self.status = status
|
524 | 048fab1e | Christos Stavrakakis | |
525 | 048fab1e | Christos Stavrakakis | def __str__(self): |
526 | 048fab1e | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' % (self.opcode, |
527 | 048fab1e | Christos Stavrakakis | self.status))
|
528 | 048fab1e | Christos Stavrakakis | |
529 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
530 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
531 | 048fab1e | Christos Stavrakakis | self._action = action
|
532 | 048fab1e | Christos Stavrakakis | |
533 | 048fab1e | Christos Stavrakakis | def __str__(self): |
534 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
535 | 048fab1e | Christos Stavrakakis | |
536 | 864bed43 | Christos Stavrakakis | |
537 | fd65ab41 | Christos Stavrakakis | class BackendNetwork(models.Model): |
538 | fd65ab41 | Christos Stavrakakis | OPER_STATES = ( |
539 | fd65ab41 | Christos Stavrakakis | ('PENDING', 'Pending'), |
540 | fd65ab41 | Christos Stavrakakis | ('ACTIVE', 'Active'), |
541 | fd65ab41 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
542 | fd65ab41 | Christos Stavrakakis | ('ERROR', 'Error') |
543 | fd65ab41 | Christos Stavrakakis | ) |
544 | fd65ab41 | Christos Stavrakakis | |
545 | fd65ab41 | Christos Stavrakakis | # The list of possible operations on the backend
|
546 | fd65ab41 | Christos Stavrakakis | BACKEND_OPCODES = ( |
547 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_ADD', 'Create Network'), |
548 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_CONNECT', 'Activate Network'), |
549 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_DISCONNECT', 'Deactivate Network'), |
550 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_REMOVE', 'Remove Network'), |
551 | fd65ab41 | Christos Stavrakakis | # These are listed here for completeness,
|
552 | fd65ab41 | Christos Stavrakakis | # and are ignored for the time being
|
553 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_SET_PARAMS', 'Set Network Parameters'), |
554 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_QUERY_DATA', 'Query Network Data') |
555 | fd65ab41 | Christos Stavrakakis | ) |
556 | fd65ab41 | Christos Stavrakakis | |
557 | fd65ab41 | Christos Stavrakakis | # The operating state of a Netowork,
|
558 | fd65ab41 | Christos Stavrakakis | # upon the successful completion of a backend operation.
|
559 | fd65ab41 | Christos Stavrakakis | # IMPORTANT: Make sure all keys have a corresponding
|
560 | fd65ab41 | Christos Stavrakakis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
561 | fd65ab41 | Christos Stavrakakis | OPER_STATE_FROM_OPCODE = { |
562 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_ADD': 'PENDING', |
563 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_CONNECT': 'ACTIVE', |
564 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_DISCONNECT': 'PENDING', |
565 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_REMOVE': 'DELETED', |
566 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_SET_PARAMS': None, |
567 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_QUERY_DATA': None |
568 | fd65ab41 | Christos Stavrakakis | } |
569 | fd65ab41 | Christos Stavrakakis | |
570 | fd65ab41 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='backend_networks')
|
571 | fd65ab41 | Christos Stavrakakis | backend = models.ForeignKey(Backend, related_name='networks')
|
572 | fd65ab41 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
573 | fd65ab41 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
574 | fd65ab41 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False) |
575 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
576 | fd65ab41 | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
577 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
578 | fd65ab41 | Christos Stavrakakis | backendjobid = models.PositiveIntegerField(null=True)
|
579 | fd65ab41 | Christos Stavrakakis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
580 | fd65ab41 | Christos Stavrakakis | null=True)
|
581 | fd65ab41 | Christos Stavrakakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
582 | fd65ab41 | Christos Stavrakakis | max_length=30, null=True) |
583 | fd65ab41 | Christos Stavrakakis | backendlogmsg = models.TextField(null=True)
|
584 | fd65ab41 | Christos Stavrakakis | backendtime = models.DateTimeField(null=False,
|
585 | fd65ab41 | Christos Stavrakakis | default=datetime.datetime.min) |
586 | fd65ab41 | Christos Stavrakakis | |
587 | 7cfbbf32 | Christos Stavrakakis | class Meta: |
588 | 7cfbbf32 | Christos Stavrakakis | # Ensure one entry for each network in each backend
|
589 | 7cfbbf32 | Christos Stavrakakis | unique_together = (("network", "backend")) |
590 | 7cfbbf32 | Christos Stavrakakis | |
591 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
592 | 3165f027 | Christos Stavrakakis | """Initialize state for just created BackendNetwork instances."""
|
593 | 3165f027 | Christos Stavrakakis | super(BackendNetwork, self).__init__(*args, **kwargs) |
594 | 3165f027 | Christos Stavrakakis | if not self.mac_prefix: |
595 | 3165f027 | Christos Stavrakakis | # Generate the MAC prefix of the BackendNetwork, by combining
|
596 | 3165f027 | Christos Stavrakakis | # the Network prefix with the index of the Backend
|
597 | 3165f027 | Christos Stavrakakis | net_prefix = self.network.mac_prefix
|
598 | 3165f027 | Christos Stavrakakis | backend_suffix = hex(self.backend.index).replace('0x', '') |
599 | 3165f027 | Christos Stavrakakis | mac_prefix = net_prefix + backend_suffix |
600 | 3165f027 | Christos Stavrakakis | try:
|
601 | 3165f027 | Christos Stavrakakis | utils.validate_mac(mac_prefix + ":00:00:00")
|
602 | 3165f027 | Christos Stavrakakis | except utils.InvalidMacAddress:
|
603 | 3165f027 | Christos Stavrakakis | raise utils.InvalidMacAddress("Invalid MAC prefix '%s'" % \ |
604 | 3165f027 | Christos Stavrakakis | mac_prefix) |
605 | 3165f027 | Christos Stavrakakis | self.mac_prefix = mac_prefix
|
606 | 3165f027 | Christos Stavrakakis | |
607 | f533f224 | Vangelis Koukis | |
608 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
609 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
610 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
611 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
612 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
613 | f533f224 | Vangelis Koukis | ) |
614 | ce55f211 | Kostas Papadimitriou | |
615 | f533f224 | Vangelis Koukis | machine = models.ForeignKey(VirtualMachine, related_name='nics')
|
616 | f533f224 | Vangelis Koukis | network = models.ForeignKey(Network, related_name='nics')
|
617 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
618 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
619 | 3b56bbe4 | Christos Stavrakakis | index = models.IntegerField(null=False)
|
620 | 3165f027 | Christos Stavrakakis | mac = models.CharField(max_length=32, null=False, unique=True) |
621 | f533f224 | Vangelis Koukis | ipv4 = models.CharField(max_length=15, null=True) |
622 | f533f224 | Vangelis Koukis | ipv6 = models.CharField(max_length=100, null=True) |
623 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
624 | 244c552b | Giorgos Verigakis | max_length=30, null=True) |
625 | 0196d9a3 | Christos Stavrakakis | dirty = models.BooleanField(default=False)
|
626 | ce55f211 | Kostas Papadimitriou | |
627 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
628 | 2987cd8a | Giorgos Verigakis | return '%s@%s' % (self.machine.name, self.network.name) |
629 | f533f224 | Vangelis Koukis | |
630 | f533f224 | Vangelis Koukis | |
631 | 03992c72 | Christos Stavrakakis | class PoolTable(models.Model): |
632 | 03992c72 | Christos Stavrakakis | available_map = models.TextField(default="", null=False) |
633 | 03992c72 | Christos Stavrakakis | reserved_map = models.TextField(default="", null=False) |
634 | 03992c72 | Christos Stavrakakis | size = models.IntegerField(null=False)
|
635 | e1334eb6 | Christos Stavrakakis | |
636 | 03992c72 | Christos Stavrakakis | # Optional Fields
|
637 | 03992c72 | Christos Stavrakakis | base = models.CharField(null=True, max_length=32) |
638 | 03992c72 | Christos Stavrakakis | offset = models.IntegerField(null=True)
|
639 | ce55f211 | Kostas Papadimitriou | |
640 | e1334eb6 | Christos Stavrakakis | objects = ForUpdateManager() |
641 | e1334eb6 | Christos Stavrakakis | |
642 | e6a42a96 | Christos Stavrakakis | class Meta: |
643 | e6a42a96 | Christos Stavrakakis | abstract = True
|
644 | e6a42a96 | Christos Stavrakakis | |
645 | e6a42a96 | Christos Stavrakakis | @classmethod
|
646 | 03992c72 | Christos Stavrakakis | def get_pool(cls): |
647 | e6a42a96 | Christos Stavrakakis | try:
|
648 | 03992c72 | Christos Stavrakakis | pool_row = cls.objects.select_for_update().all()[0]
|
649 | 03992c72 | Christos Stavrakakis | return pool_row.pool
|
650 | e6a42a96 | Christos Stavrakakis | except IndexError: |
651 | 03992c72 | Christos Stavrakakis | raise pools.EmptyPool
|
652 | e6a42a96 | Christos Stavrakakis | |
653 | 03992c72 | Christos Stavrakakis | @property
|
654 | 03992c72 | Christos Stavrakakis | def pool(self): |
655 | 03992c72 | Christos Stavrakakis | return self.manager(self) |
656 | e6a42a96 | Christos Stavrakakis | |
657 | e6a42a96 | Christos Stavrakakis | |
658 | 03992c72 | Christos Stavrakakis | class BridgePoolTable(PoolTable): |
659 | 03992c72 | Christos Stavrakakis | manager = pools.BridgePool |
660 | e6a42a96 | Christos Stavrakakis | |
661 | fdc94944 | Christos Stavrakakis | |
662 | 03992c72 | Christos Stavrakakis | class MacPrefixPoolTable(PoolTable): |
663 | 03992c72 | Christos Stavrakakis | manager = pools.MacPrefixPool |
664 | fdc94944 | Christos Stavrakakis | |
665 | fdc94944 | Christos Stavrakakis | |
666 | fdc94944 | Christos Stavrakakis | class IPPoolTable(PoolTable): |
667 | fdc94944 | Christos Stavrakakis | manager = pools.IPPool |
668 | 3524241a | Christos Stavrakakis | |
669 | 3524241a | Christos Stavrakakis | |
670 | 3524241a | Christos Stavrakakis | @contextmanager
|
671 | 3524241a | Christos Stavrakakis | def pooled_rapi_client(obj): |
672 | 3524241a | Christos Stavrakakis | if isinstance(obj, VirtualMachine): |
673 | 3524241a | Christos Stavrakakis | backend = obj.backend |
674 | 3524241a | Christos Stavrakakis | else:
|
675 | 3524241a | Christos Stavrakakis | backend = obj |
676 | 3524241a | Christos Stavrakakis | |
677 | 3524241a | Christos Stavrakakis | if backend.offline:
|
678 | 3524241a | Christos Stavrakakis | raise ServiceUnavailable
|
679 | 3524241a | Christos Stavrakakis | |
680 | 3524241a | Christos Stavrakakis | b = backend |
681 | 3524241a | Christos Stavrakakis | client = get_rapi_client(b.id, b.hash, b.clustername, b.port, |
682 | 3524241a | Christos Stavrakakis | b.username, b.password) |
683 | 4216cd83 | Christos Stavrakakis | try:
|
684 | 4216cd83 | Christos Stavrakakis | yield client
|
685 | 4216cd83 | Christos Stavrakakis | finally:
|
686 | 4216cd83 | Christos Stavrakakis | put_rapi_client(client) |
687 | 6ce1fc56 | Kostas Papadimitriou | |
688 | 6ce1fc56 | Kostas Papadimitriou | |
689 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnosticManager(models.Manager): |
690 | 6ce1fc56 | Kostas Papadimitriou | """
|
691 | 6ce1fc56 | Kostas Papadimitriou | Custom manager for :class:`VirtualMachineDiagnostic` model.
|
692 | 6ce1fc56 | Kostas Papadimitriou | """
|
693 | 6ce1fc56 | Kostas Papadimitriou | |
694 | 6ce1fc56 | Kostas Papadimitriou | # diagnostic creation helpers
|
695 | 6ce1fc56 | Kostas Papadimitriou | def create_for_vm(self, vm, level, message, **kwargs): |
696 | 6ce1fc56 | Kostas Papadimitriou | attrs = {'machine': vm, 'level': level, 'message': message} |
697 | 6ce1fc56 | Kostas Papadimitriou | attrs.update(kwargs) |
698 | 6ce1fc56 | Kostas Papadimitriou | # update instance updated time
|
699 | 6ce1fc56 | Kostas Papadimitriou | self.create(**attrs)
|
700 | 6ce1fc56 | Kostas Papadimitriou | vm.save() |
701 | 6ce1fc56 | Kostas Papadimitriou | |
702 | 6ce1fc56 | Kostas Papadimitriou | def create_error(self, vm, **kwargs): |
703 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'ERROR', **kwargs) |
704 | 6ce1fc56 | Kostas Papadimitriou | |
705 | 6ce1fc56 | Kostas Papadimitriou | def create_debug(self, vm, **kwargs): |
706 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'DEBUG', **kwargs) |
707 | 6ce1fc56 | Kostas Papadimitriou | |
708 | 6ce1fc56 | Kostas Papadimitriou | def since(self, vm, created_since, **kwargs): |
709 | 6ce1fc56 | Kostas Papadimitriou | return self.get_query_set().filter(vm=vm, created__gt=created_since, |
710 | 6ce1fc56 | Kostas Papadimitriou | **kwargs) |
711 | 6ce1fc56 | Kostas Papadimitriou | |
712 | 6ce1fc56 | Kostas Papadimitriou | |
713 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnostic(models.Model): |
714 | 6ce1fc56 | Kostas Papadimitriou | """
|
715 | 6ce1fc56 | Kostas Papadimitriou | Model to store backend information messages that relate to the state of
|
716 | 6ce1fc56 | Kostas Papadimitriou | the virtual machine.
|
717 | 6ce1fc56 | Kostas Papadimitriou | """
|
718 | 6ce1fc56 | Kostas Papadimitriou | |
719 | 6ce1fc56 | Kostas Papadimitriou | TYPES = ( |
720 | 6ce1fc56 | Kostas Papadimitriou | ('ERROR', 'Error'), |
721 | 6ce1fc56 | Kostas Papadimitriou | ('WARNING', 'Warning'), |
722 | 6ce1fc56 | Kostas Papadimitriou | ('INFO', 'Info'), |
723 | 6ce1fc56 | Kostas Papadimitriou | ('DEBUG', 'Debug'), |
724 | 6ce1fc56 | Kostas Papadimitriou | ) |
725 | 6ce1fc56 | Kostas Papadimitriou | |
726 | 6ce1fc56 | Kostas Papadimitriou | objects = VirtualMachineDiagnosticManager() |
727 | 6ce1fc56 | Kostas Papadimitriou | |
728 | 6ce1fc56 | Kostas Papadimitriou | created = models.DateTimeField(auto_now_add=True)
|
729 | 6ce1fc56 | Kostas Papadimitriou | machine = models.ForeignKey('VirtualMachine', related_name="diagnostics") |
730 | 6ce1fc56 | Kostas Papadimitriou | level = models.CharField(max_length=20, choices=TYPES)
|
731 | 6ce1fc56 | Kostas Papadimitriou | source = models.CharField(max_length=100)
|
732 | 6ce1fc56 | Kostas Papadimitriou | source_date = models.DateTimeField(null=True)
|
733 | 6ce1fc56 | Kostas Papadimitriou | message = models.CharField(max_length=255)
|
734 | 6ce1fc56 | Kostas Papadimitriou | details = models.TextField(null=True)
|
735 | 6ce1fc56 | Kostas Papadimitriou | |
736 | 6ce1fc56 | Kostas Papadimitriou | class Meta: |
737 | 6ce1fc56 | Kostas Papadimitriou | ordering = ['-created'] |