root / snf-cyclades-app / synnefo / db / models.py @ dccd42eb
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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 | 68b952f9 | Christos Stavrakakis | 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 | b65a3b04 | Christos Stavrakakis | return u'C%dR%dD%d%s' % (self.cpu, self.ram, self.disk, |
69 | b65a3b04 | Christos Stavrakakis | self.disk_template)
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70 | ce55f211 | Kostas Papadimitriou | |
71 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
72 | cfd70896 | Christos Stavrakakis | return str(self.id) |
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)
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80 | 2a8a60d5 | Christos Stavrakakis | password_hash = models.CharField('Password', max_length=128, blank=True, |
81 | 68b952f9 | Christos Stavrakakis | null=True)
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82 | aed9b901 | Christos Stavrakakis | # Sha1 is up to 40 characters long
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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
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85 | 3165f027 | Christos Stavrakakis | # BackendNetworks
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86 | 3165f027 | Christos Stavrakakis | index = models.PositiveIntegerField('Index', null=False, unique=True, |
87 | 3165f027 | Christos Stavrakakis | default=0)
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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 | aed9b901 | Christos Stavrakakis | # Last refresh of backend resources
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91 | aed9b901 | Christos Stavrakakis | updated = models.DateTimeField(auto_now_add=True)
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92 | aed9b901 | Christos Stavrakakis | # Backend resources
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93 | aed9b901 | Christos Stavrakakis | mfree = models.PositiveIntegerField('Free Memory', default=0, null=False) |
94 | aed9b901 | Christos Stavrakakis | mtotal = models.PositiveIntegerField('Total Memory', default=0, null=False) |
95 | aed9b901 | Christos Stavrakakis | dfree = models.PositiveIntegerField('Free Disk', default=0, null=False) |
96 | aed9b901 | Christos Stavrakakis | dtotal = models.PositiveIntegerField('Total Disk', default=0, null=False) |
97 | aed9b901 | Christos Stavrakakis | pinst_cnt = models.PositiveIntegerField('Primary Instances', default=0, |
98 | aed9b901 | Christos Stavrakakis | null=False)
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99 | aed9b901 | Christos Stavrakakis | ctotal = models.PositiveIntegerField('Total number of logical processors',
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100 | aed9b901 | Christos Stavrakakis | default=0, null=False) |
101 | aed9b901 | Christos Stavrakakis | # Custom object manager to protect from cascade delete
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102 | 864bed43 | Christos Stavrakakis | objects = ProtectedDeleteManager() |
103 | aed9b901 | Christos Stavrakakis | |
104 | aed9b901 | Christos Stavrakakis | class Meta: |
105 | aed9b901 | Christos Stavrakakis | verbose_name = u'Backend'
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106 | aed9b901 | Christos Stavrakakis | ordering = ["clustername"]
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107 | aed9b901 | Christos Stavrakakis | |
108 | aed9b901 | Christos Stavrakakis | def __unicode__(self): |
109 | bf5c82dc | Christos Stavrakakis | return self.clustername + "(id=" + str(self.id) + ")" |
110 | aed9b901 | Christos Stavrakakis | |
111 | aed9b901 | Christos Stavrakakis | @property
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112 | aed9b901 | Christos Stavrakakis | def backend_id(self): |
113 | aed9b901 | Christos Stavrakakis | return self.id |
114 | aed9b901 | Christos Stavrakakis | |
115 | 3524241a | Christos Stavrakakis | def get_client(self): |
116 | aed9b901 | Christos Stavrakakis | """Get or create a client. """
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117 | 3524241a | Christos Stavrakakis | if self.offline: |
118 | aed9b901 | Christos Stavrakakis | raise ServiceUnavailable
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119 | 3524241a | Christos Stavrakakis | return get_rapi_client(self.id, self.hash, |
120 | cc50e51a | Christos Stavrakakis | self.clustername,
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121 | cc50e51a | Christos Stavrakakis | self.port,
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122 | 3524241a | Christos Stavrakakis | self.username,
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123 | 3524241a | Christos Stavrakakis | self.password)
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124 | 3524241a | Christos Stavrakakis | |
125 | 3524241a | Christos Stavrakakis | @staticmethod
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126 | 3524241a | Christos Stavrakakis | def put_client(client): |
127 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
128 | aed9b901 | Christos Stavrakakis | |
129 | aed9b901 | Christos Stavrakakis | def create_hash(self): |
130 | aed9b901 | Christos Stavrakakis | """Create a hash for this backend. """
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131 | 68b952f9 | Christos Stavrakakis | sha = sha1('%s%s%s%s' %
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132 | 68b952f9 | Christos Stavrakakis | (self.clustername, self.port, self.username, self.password)) |
133 | 68b952f9 | Christos Stavrakakis | return sha.hexdigest()
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134 | aed9b901 | Christos Stavrakakis | |
135 | 30e0ed74 | Christos Stavrakakis | @property
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136 | 30e0ed74 | Christos Stavrakakis | def password(self): |
137 | 30e0ed74 | Christos Stavrakakis | return decrypt_db_charfield(self.password_hash) |
138 | 30e0ed74 | Christos Stavrakakis | |
139 | 30e0ed74 | Christos Stavrakakis | @password.setter
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140 | 30e0ed74 | Christos Stavrakakis | def password(self, value): |
141 | 30e0ed74 | Christos Stavrakakis | self.password_hash = encrypt_db_charfield(value)
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142 | 30e0ed74 | Christos Stavrakakis | |
143 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
144 | aed9b901 | Christos Stavrakakis | # Create a new hash each time a Backend is saved
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145 | aed9b901 | Christos Stavrakakis | old_hash = self.hash
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146 | aed9b901 | Christos Stavrakakis | self.hash = self.create_hash() |
147 | aed9b901 | Christos Stavrakakis | super(Backend, self).save(*args, **kwargs) |
148 | aed9b901 | Christos Stavrakakis | if self.hash != old_hash: |
149 | aed9b901 | Christos Stavrakakis | # Populate the new hash to the new instances
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150 | 68b952f9 | Christos Stavrakakis | self.virtual_machines.filter(deleted=False)\ |
151 | 68b952f9 | Christos Stavrakakis | .update(backend_hash=self.hash)
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152 | aed9b901 | Christos Stavrakakis | |
153 | aed9b901 | Christos Stavrakakis | def delete(self, *args, **kwargs): |
154 | aed9b901 | Christos Stavrakakis | # Integrity Error if non-deleted VMs are associated with Backend
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155 | aed9b901 | Christos Stavrakakis | if self.virtual_machines.filter(deleted=False).count(): |
156 | aed9b901 | Christos Stavrakakis | raise IntegrityError("Non-deleted virtual machines are associated " |
157 | aed9b901 | Christos Stavrakakis | "with backend: %s" % self) |
158 | aed9b901 | Christos Stavrakakis | else:
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159 | aed9b901 | Christos Stavrakakis | # ON_DELETE = SET NULL
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160 | ce9abd26 | Christos Stavrakakis | for vm in self.virtual_machines.all(): |
161 | ce9abd26 | Christos Stavrakakis | vm.backend = None
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162 | ce9abd26 | Christos Stavrakakis | vm.save() |
163 | fd65ab41 | Christos Stavrakakis | self.virtual_machines.all().backend = None |
164 | 82c1c610 | Christos Stavrakakis | # Remove BackendNetworks of this Backend.
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165 | 82c1c610 | Christos Stavrakakis | # Do not use networks.all().delete(), since delete() method of
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166 | 82c1c610 | Christos Stavrakakis | # BackendNetwork will not be called!
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167 | 82c1c610 | Christos Stavrakakis | for net in self.networks.all(): |
168 | 82c1c610 | Christos Stavrakakis | net.delete() |
169 | aed9b901 | Christos Stavrakakis | super(Backend, self).delete(*args, **kwargs) |
170 | aed9b901 | Christos Stavrakakis | |
171 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
172 | 3165f027 | Christos Stavrakakis | super(Backend, self).__init__(*args, **kwargs) |
173 | 3165f027 | Christos Stavrakakis | if not self.pk: |
174 | 3165f027 | Christos Stavrakakis | # Generate a unique index for the Backend
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175 | 3165f027 | Christos Stavrakakis | indexes = Backend.objects.all().values_list('index', flat=True) |
176 | ce9abd26 | Christos Stavrakakis | try:
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177 | ce9abd26 | Christos Stavrakakis | first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
178 | ce9abd26 | Christos Stavrakakis | self.index = first_free
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179 | ce9abd26 | Christos Stavrakakis | except IndexError: |
180 | ce9abd26 | Christos Stavrakakis | raise Exception("Can not create more than 16 backends") |
181 | 3165f027 | Christos Stavrakakis | |
182 | aed9b901 | Christos Stavrakakis | |
183 | fd65ab41 | Christos Stavrakakis | # A backend job may be in one of the following possible states
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184 | fd65ab41 | Christos Stavrakakis | BACKEND_STATUSES = ( |
185 | fd65ab41 | Christos Stavrakakis | ('queued', 'request queued'), |
186 | fd65ab41 | Christos Stavrakakis | ('waiting', 'request waiting for locks'), |
187 | fd65ab41 | Christos Stavrakakis | ('canceling', 'request being canceled'), |
188 | fd65ab41 | Christos Stavrakakis | ('running', 'request running'), |
189 | fd65ab41 | Christos Stavrakakis | ('canceled', 'request canceled'), |
190 | fd65ab41 | Christos Stavrakakis | ('success', 'request completed successfully'), |
191 | fd65ab41 | Christos Stavrakakis | ('error', 'request returned error') |
192 | fd65ab41 | Christos Stavrakakis | ) |
193 | fd65ab41 | Christos Stavrakakis | |
194 | fd65ab41 | Christos Stavrakakis | |
195 | 3416e629 | Christos Stavrakakis | class QuotaHolderSerial(models.Model): |
196 | 68b952f9 | Christos Stavrakakis | serial = models.BigIntegerField(null=False, primary_key=True, |
197 | 68b952f9 | Christos Stavrakakis | db_index=True)
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198 | 3416e629 | Christos Stavrakakis | pending = models.BooleanField(default=True, db_index=True) |
199 | 3416e629 | Christos Stavrakakis | accepted = models.BooleanField(default=False)
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200 | 3416e629 | Christos Stavrakakis | rejected = models.BooleanField(default=False)
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201 | 3416e629 | Christos Stavrakakis | |
202 | 3416e629 | Christos Stavrakakis | class Meta: |
203 | 3416e629 | Christos Stavrakakis | verbose_name = u'Quota Serial'
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204 | 3416e629 | Christos Stavrakakis | ordering = ["serial"]
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205 | 3416e629 | Christos Stavrakakis | |
206 | 3416e629 | Christos Stavrakakis | def save(self, *args, **kwargs): |
207 | 3416e629 | Christos Stavrakakis | self.pending = not (self.accepted or self.rejected) |
208 | 3416e629 | Christos Stavrakakis | super(QuotaHolderSerial, self).save(*args, **kwargs) |
209 | 3416e629 | Christos Stavrakakis | |
210 | 3416e629 | Christos Stavrakakis | |
211 | 07f3219d | Vassilios Karakoidas | class VirtualMachine(models.Model): |
212 | c92af313 | Vangelis Koukis | # The list of possible actions for a VM
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213 | d08a5f6f | Vangelis Koukis | ACTIONS = ( |
214 | 68b952f9 | Christos Stavrakakis | ('CREATE', 'Create VM'), |
215 | 68b952f9 | Christos Stavrakakis | ('START', 'Start VM'), |
216 | 68b952f9 | Christos Stavrakakis | ('STOP', 'Shutdown VM'), |
217 | 68b952f9 | Christos Stavrakakis | ('SUSPEND', 'Admin Suspend VM'), |
218 | 68b952f9 | Christos Stavrakakis | ('REBOOT', 'Reboot VM'), |
219 | 68b952f9 | Christos Stavrakakis | ('DESTROY', 'Destroy VM') |
220 | d08a5f6f | Vangelis Koukis | ) |
221 | ce55f211 | Kostas Papadimitriou | |
222 | c92af313 | Vangelis Koukis | # The internal operating state of a VM
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223 | d08a5f6f | Vangelis Koukis | OPER_STATES = ( |
224 | d08a5f6f | Vangelis Koukis | ('BUILD', 'Queued for creation'), |
225 | d08a5f6f | Vangelis Koukis | ('ERROR', 'Creation failed'), |
226 | d08a5f6f | Vangelis Koukis | ('STOPPED', 'Stopped'), |
227 | d08a5f6f | Vangelis Koukis | ('STARTED', 'Started'), |
228 | d08a5f6f | Vangelis Koukis | ('DESTROYED', 'Destroyed') |
229 | d08a5f6f | Vangelis Koukis | ) |
230 | ce55f211 | Kostas Papadimitriou | |
231 | c92af313 | Vangelis Koukis | # The list of possible operations on the backend
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232 | d08a5f6f | Vangelis Koukis | BACKEND_OPCODES = ( |
233 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_CREATE', 'Create Instance'), |
234 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_REMOVE', 'Remove Instance'), |
235 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_STARTUP', 'Startup Instance'), |
236 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_SHUTDOWN', 'Shutdown Instance'), |
237 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_REBOOT', 'Reboot Instance'), |
238 | 26fef2b9 | Vangelis Koukis | |
239 | 26fef2b9 | Vangelis Koukis | # These are listed here for completeness,
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240 | 26fef2b9 | Vangelis Koukis | # and are ignored for the time being
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241 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_SET_PARAMS', 'Set Instance Parameters'), |
242 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_QUERY_DATA', 'Query Instance Data'), |
243 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REINSTALL', 'Reinstall Instance'), |
244 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_ACTIVATE_DISKS', 'Activate Disks'), |
245 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_DEACTIVATE_DISKS', 'Deactivate Disks'), |
246 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REPLACE_DISKS', 'Replace Disks'), |
247 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_MIGRATE', 'Migrate Instance'), |
248 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_CONSOLE', 'Get Instance Console'), |
249 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_RECREATE_DISKS', 'Recreate Disks'), |
250 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_FAILOVER', 'Failover Instance') |
251 | d08a5f6f | Vangelis Koukis | ) |
252 | ce55f211 | Kostas Papadimitriou | |
253 | d08a5f6f | Vangelis Koukis | # The operating state of a VM,
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254 | d08a5f6f | Vangelis Koukis | # upon the successful completion of a backend operation.
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255 | 21d8adbf | Vangelis Koukis | # IMPORTANT: Make sure all keys have a corresponding
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256 | 21d8adbf | Vangelis Koukis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
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257 | d08a5f6f | Vangelis Koukis | OPER_STATE_FROM_OPCODE = { |
258 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_CREATE': 'STARTED', |
259 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_REMOVE': 'DESTROYED', |
260 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_STARTUP': 'STARTED', |
261 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_SHUTDOWN': 'STOPPED', |
262 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_REBOOT': 'STARTED', |
263 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_SET_PARAMS': None, |
264 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_QUERY_DATA': None, |
265 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REINSTALL': None, |
266 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_ACTIVATE_DISKS': None, |
267 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_DEACTIVATE_DISKS': None, |
268 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REPLACE_DISKS': None, |
269 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_MIGRATE': None, |
270 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_CONSOLE': None, |
271 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_RECREATE_DISKS': None, |
272 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_FAILOVER': None |
273 | d08a5f6f | Vangelis Koukis | } |
274 | d08a5f6f | Vangelis Koukis | |
275 | c92af313 | Vangelis Koukis | # This dictionary contains the correspondence between
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276 | c92af313 | Vangelis Koukis | # internal operating states and Server States as defined
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277 | c92af313 | Vangelis Koukis | # by the Rackspace API.
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278 | d08a5f6f | Vangelis Koukis | RSAPI_STATE_FROM_OPER_STATE = { |
279 | d08a5f6f | Vangelis Koukis | "BUILD": "BUILD", |
280 | d08a5f6f | Vangelis Koukis | "ERROR": "ERROR", |
281 | d08a5f6f | Vangelis Koukis | "STOPPED": "STOPPED", |
282 | d08a5f6f | Vangelis Koukis | "STARTED": "ACTIVE", |
283 | d08a5f6f | Vangelis Koukis | "DESTROYED": "DELETED" |
284 | d08a5f6f | Vangelis Koukis | } |
285 | d08a5f6f | Vangelis Koukis | |
286 | 4daac449 | Vassilios Karakoidas | name = models.CharField('Virtual Machine Name', max_length=255) |
287 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=100, |
288 | 190d155f | Christos Stavrakakis | db_index=True)
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289 | aed9b901 | Christos Stavrakakis | backend = models.ForeignKey(Backend, null=True,
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290 | aed9b901 | Christos Stavrakakis | related_name="virtual_machines",)
|
291 | aed9b901 | Christos Stavrakakis | backend_hash = models.CharField(max_length=128, null=True, editable=False) |
292 | d174b105 | Vassilios Karakoidas | created = models.DateTimeField(auto_now_add=True)
|
293 | d174b105 | Vassilios Karakoidas | updated = models.DateTimeField(auto_now=True)
|
294 | 936afb7b | Giorgos Verigakis | imageid = models.CharField(max_length=100, null=False) |
295 | 22571df6 | Vassilios Karakoidas | hostid = models.CharField(max_length=100)
|
296 | 46547e14 | Faidon Liambotis | flavor = models.ForeignKey(Flavor) |
297 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
298 | 9ff7ca6f | Giorgos Verigakis | suspended = models.BooleanField('Administratively Suspended',
|
299 | 244c552b | Giorgos Verigakis | default=False)
|
300 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
301 | 68b952f9 | Christos Stavrakakis | related_name='virtual_machine', null=True) |
302 | d08a5f6f | Vangelis Koukis | |
303 | ce55f211 | Kostas Papadimitriou | # VM State
|
304 | 52194743 | Vangelis Koukis | # The following fields are volatile data, in the sense
|
305 | 52194743 | Vangelis Koukis | # that they need not be persistent in the DB, but rather
|
306 | 52194743 | Vangelis Koukis | # get generated at runtime by quering Ganeti and applying
|
307 | 52194743 | Vangelis Koukis | # updates received from Ganeti.
|
308 | ce55f211 | Kostas Papadimitriou | |
309 | 73b2b65e | Vassilios Karakoidas | # In the future they could be moved to a separate caching layer
|
310 | 73b2b65e | Vassilios Karakoidas | # and removed from the database.
|
311 | 73b2b65e | Vassilios Karakoidas | # [vkoukis] after discussion with [faidon].
|
312 | dfd19c2d | Vassilios Karakoidas | action = models.CharField(choices=ACTIONS, max_length=30, null=True) |
313 | dfd19c2d | Vassilios Karakoidas | operstate = models.CharField(choices=OPER_STATES, max_length=30, null=True) |
314 | dfd19c2d | Vassilios Karakoidas | backendjobid = models.PositiveIntegerField(null=True)
|
315 | f533f224 | Vangelis Koukis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
316 | aed9b901 | Christos Stavrakakis | null=True)
|
317 | 9ff7ca6f | Giorgos Verigakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
318 | aed9b901 | Christos Stavrakakis | max_length=30, null=True) |
319 | dfd19c2d | Vassilios Karakoidas | backendlogmsg = models.TextField(null=True)
|
320 | 19da4325 | Vangelis Koukis | buildpercentage = models.IntegerField(default=0)
|
321 | c4e55622 | Christos Stavrakakis | backendtime = models.DateTimeField(default=datetime.datetime.min) |
322 | 9068cd85 | Georgios Gousios | |
323 | 7f2dbcad | Christos Stavrakakis | objects = ForUpdateManager() |
324 | 7f2dbcad | Christos Stavrakakis | |
325 | 3524241a | Christos Stavrakakis | def get_client(self): |
326 | 3524241a | Christos Stavrakakis | if self.backend: |
327 | 2cea7f38 | Christos Stavrakakis | return self.backend.get_client() |
328 | aed9b901 | Christos Stavrakakis | else:
|
329 | aed9b901 | Christos Stavrakakis | raise ServiceUnavailable
|
330 | aed9b901 | Christos Stavrakakis | |
331 | 6ce1fc56 | Kostas Papadimitriou | def get_last_diagnostic(self, **filters): |
332 | 6ce1fc56 | Kostas Papadimitriou | try:
|
333 | 6ce1fc56 | Kostas Papadimitriou | return self.diagnostics.filter()[0] |
334 | 6ce1fc56 | Kostas Papadimitriou | except IndexError: |
335 | 6ce1fc56 | Kostas Papadimitriou | return None |
336 | 6ce1fc56 | Kostas Papadimitriou | |
337 | 3524241a | Christos Stavrakakis | @staticmethod
|
338 | 3524241a | Christos Stavrakakis | def put_client(client): |
339 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
340 | 3524241a | Christos Stavrakakis | |
341 | 3846dfd0 | Vassilios Karakoidas | def __init__(self, *args, **kw): |
342 | d08a5f6f | Vangelis Koukis | """Initialize state for just created VM instances."""
|
343 | d08a5f6f | Vangelis Koukis | super(VirtualMachine, self).__init__(*args, **kw) |
344 | bc9c872b | Vangelis Koukis | # This gets called BEFORE an instance gets save()d for
|
345 | bc9c872b | Vangelis Koukis | # the first time.
|
346 | ce55f211 | Kostas Papadimitriou | if not self.pk: |
347 | dfd19c2d | Vassilios Karakoidas | self.action = None |
348 | dfd19c2d | Vassilios Karakoidas | self.backendjobid = None |
349 | dfd19c2d | Vassilios Karakoidas | self.backendjobstatus = None |
350 | dfd19c2d | Vassilios Karakoidas | self.backendopcode = None |
351 | dfd19c2d | Vassilios Karakoidas | self.backendlogmsg = None |
352 | dfd19c2d | Vassilios Karakoidas | self.operstate = 'BUILD' |
353 | ce55f211 | Kostas Papadimitriou | |
354 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
355 | aed9b901 | Christos Stavrakakis | # Store hash for first time saved vm
|
356 | aed9b901 | Christos Stavrakakis | if (self.id is None or self.backend_hash == '') and self.backend: |
357 | aed9b901 | Christos Stavrakakis | self.backend_hash = self.backend.hash |
358 | aed9b901 | Christos Stavrakakis | super(VirtualMachine, self).save(*args, **kwargs) |
359 | aed9b901 | Christos Stavrakakis | |
360 | 9ff7ca6f | Giorgos Verigakis | @property
|
361 | 924d8085 | Christos Stavrakakis | def backend_vm_id(self): |
362 | 224b5e19 | Markos Gogoulos | """Returns the backend id for this VM by prepending backend-prefix."""
|
363 | 76ba77c1 | Vangelis Koukis | if not self.id: |
364 | 76ba77c1 | Vangelis Koukis | raise VirtualMachine.InvalidBackendIdError("self.id is None") |
365 | d30f29aa | Christos Stavrakakis | return "%s%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
366 | ce55f211 | Kostas Papadimitriou | |
367 | d08a5f6f | Vangelis Koukis | class Meta: |
368 | d08a5f6f | Vangelis Koukis | verbose_name = u'Virtual machine instance'
|
369 | d08a5f6f | Vangelis Koukis | get_latest_by = 'created'
|
370 | ce55f211 | Kostas Papadimitriou | |
371 | d08a5f6f | Vangelis Koukis | def __unicode__(self): |
372 | cfd70896 | Christos Stavrakakis | return str(self.id) |
373 | d08a5f6f | Vangelis Koukis | |
374 | 048fab1e | Christos Stavrakakis | # Error classes
|
375 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
376 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
377 | 048fab1e | Christos Stavrakakis | self.value = value
|
378 | 048fab1e | Christos Stavrakakis | |
379 | 048fab1e | Christos Stavrakakis | def __str__(self): |
380 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
381 | 048fab1e | Christos Stavrakakis | |
382 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
383 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
384 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
385 | 048fab1e | Christos Stavrakakis | self.status = status
|
386 | 048fab1e | Christos Stavrakakis | |
387 | 048fab1e | Christos Stavrakakis | def __str__(self): |
388 | 048fab1e | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' % (self.opcode, |
389 | 048fab1e | Christos Stavrakakis | self.status))
|
390 | 048fab1e | Christos Stavrakakis | |
391 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
392 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
393 | 048fab1e | Christos Stavrakakis | self._action = action
|
394 | 048fab1e | Christos Stavrakakis | |
395 | 048fab1e | Christos Stavrakakis | def __str__(self): |
396 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
397 | 048fab1e | Christos Stavrakakis | |
398 | 048fab1e | Christos Stavrakakis | class DeletedError(Exception): |
399 | 048fab1e | Christos Stavrakakis | pass
|
400 | 048fab1e | Christos Stavrakakis | |
401 | 048fab1e | Christos Stavrakakis | class BuildingError(Exception): |
402 | 048fab1e | Christos Stavrakakis | pass
|
403 | 048fab1e | Christos Stavrakakis | |
404 | 4ffb82dc | Vassilios Karakoidas | |
405 | be7b8d37 | Vassilios Karakoidas | class VirtualMachineMetadata(models.Model): |
406 | be7b8d37 | Vassilios Karakoidas | meta_key = models.CharField(max_length=50)
|
407 | be7b8d37 | Vassilios Karakoidas | meta_value = models.CharField(max_length=500)
|
408 | 7cc3c7d9 | Giorgos Verigakis | vm = models.ForeignKey(VirtualMachine, related_name='metadata')
|
409 | ce55f211 | Kostas Papadimitriou | |
410 | be7b8d37 | Vassilios Karakoidas | class Meta: |
411 | 1bd24df6 | Giorgos Verigakis | unique_together = (('meta_key', 'vm'),) |
412 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Key-value pair of metadata for a VM.'
|
413 | ce55f211 | Kostas Papadimitriou | |
414 | be7b8d37 | Vassilios Karakoidas | def __unicode__(self): |
415 | 9ff7ca6f | Giorgos Verigakis | return u'%s: %s' % (self.meta_key, self.meta_value) |
416 | be7b8d37 | Vassilios Karakoidas | |
417 | be7b8d37 | Vassilios Karakoidas | |
418 | 0269afd6 | Giorgos Verigakis | class Network(models.Model): |
419 | e6a42a96 | Christos Stavrakakis | OPER_STATES = ( |
420 | e6a42a96 | Christos Stavrakakis | ('PENDING', 'Pending'), |
421 | f533f224 | Vangelis Koukis | ('ACTIVE', 'Active'), |
422 | e6a42a96 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
423 | e6a42a96 | Christos Stavrakakis | ('ERROR', 'Error') |
424 | e6a42a96 | Christos Stavrakakis | ) |
425 | e6a42a96 | Christos Stavrakakis | |
426 | e6a42a96 | Christos Stavrakakis | ACTIONS = ( |
427 | 68b952f9 | Christos Stavrakakis | ('CREATE', 'Create Network'), |
428 | 68b952f9 | Christos Stavrakakis | ('DESTROY', 'Destroy Network'), |
429 | e6a42a96 | Christos Stavrakakis | ) |
430 | e6a42a96 | Christos Stavrakakis | |
431 | e6a42a96 | Christos Stavrakakis | RSAPI_STATE_FROM_OPER_STATE = { |
432 | e6a42a96 | Christos Stavrakakis | 'PENDING': 'PENDING', |
433 | e6a42a96 | Christos Stavrakakis | 'ACTIVE': 'ACTIVE', |
434 | e6a42a96 | Christos Stavrakakis | 'DELETED': 'DELETED', |
435 | e6a42a96 | Christos Stavrakakis | 'ERROR': 'ERROR' |
436 | e6a42a96 | Christos Stavrakakis | } |
437 | e6a42a96 | Christos Stavrakakis | |
438 | b7d38981 | Dimitris Aragiorgis | FLAVORS = { |
439 | b7d38981 | Dimitris Aragiorgis | 'CUSTOM': {
|
440 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
441 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_BRIDGE,
|
442 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
443 | 68b952f9 | Christos Stavrakakis | 'tags': None, |
444 | 68b952f9 | Christos Stavrakakis | 'desc': "Basic flavor used for a bridged network", |
445 | b7d38981 | Dimitris Aragiorgis | }, |
446 | b7d38981 | Dimitris Aragiorgis | 'IP_LESS_ROUTED': {
|
447 | 68b952f9 | Christos Stavrakakis | 'mode': 'routed', |
448 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_ROUTING_TABLE,
|
449 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
450 | 68b952f9 | Christos Stavrakakis | 'tags': 'ip-less-routed', |
451 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for an IP-less routed network using" |
452 | 68b952f9 | Christos Stavrakakis | " Proxy ARP",
|
453 | b7d38981 | Dimitris Aragiorgis | }, |
454 | b7d38981 | Dimitris Aragiorgis | 'MAC_FILTERED': {
|
455 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
456 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_MAC_FILTERED_BRIDGE,
|
457 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': 'pool', |
458 | 68b952f9 | Christos Stavrakakis | 'tags': 'private-filtered', |
459 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged networks that offer isolation" |
460 | 68b952f9 | Christos Stavrakakis | " via filtering packets based on their src "
|
461 | 68b952f9 | Christos Stavrakakis | " MAC (ebtables)",
|
462 | b7d38981 | Dimitris Aragiorgis | }, |
463 | b7d38981 | Dimitris Aragiorgis | 'PHYSICAL_VLAN': {
|
464 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
465 | 68b952f9 | Christos Stavrakakis | 'link': 'pool', |
466 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
467 | 68b952f9 | Christos Stavrakakis | 'tags': 'physical-vlan', |
468 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged network that offer isolation" |
469 | 68b952f9 | Christos Stavrakakis | " via dedicated physical vlan",
|
470 | b7d38981 | Dimitris Aragiorgis | }, |
471 | b7d38981 | Dimitris Aragiorgis | } |
472 | ce55f211 | Kostas Papadimitriou | |
473 | e6a42a96 | Christos Stavrakakis | name = models.CharField('Network Name', max_length=128) |
474 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=128, |
475 | 190d155f | Christos Stavrakakis | null=True, db_index=True) |
476 | e6a42a96 | Christos Stavrakakis | subnet = models.CharField('Subnet', max_length=32, default='10.0.0.0/24') |
477 | cc3f266e | Christos Stavrakakis | subnet6 = models.CharField('IPv6 Subnet', max_length=64, null=True) |
478 | e6a42a96 | Christos Stavrakakis | gateway = models.CharField('Gateway', max_length=32, null=True) |
479 | cc3f266e | Christos Stavrakakis | gateway6 = models.CharField('IPv6 Gateway', max_length=64, null=True) |
480 | e6a42a96 | Christos Stavrakakis | dhcp = models.BooleanField('DHCP', default=True) |
481 | b7d38981 | Dimitris Aragiorgis | flavor = models.CharField('Flavor', max_length=32, null=False) |
482 | b7d38981 | Dimitris Aragiorgis | mode = models.CharField('Network Mode', max_length=16, null=True) |
483 | b7d38981 | Dimitris Aragiorgis | link = models.CharField('Network Link', max_length=32, null=True) |
484 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
485 | b7d38981 | Dimitris Aragiorgis | tags = models.CharField('Network Tags', max_length=128, null=True) |
486 | 190d155f | Christos Stavrakakis | public = models.BooleanField(default=False, db_index=True) |
487 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
488 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
489 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
490 | fd65ab41 | Christos Stavrakakis | state = models.CharField(choices=OPER_STATES, max_length=32,
|
491 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
492 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
493 | 244c552b | Giorgos Verigakis | through='NetworkInterface')
|
494 | fd65ab41 | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=32, null=True, |
495 | fd65ab41 | Christos Stavrakakis | default=None)
|
496 | e6a42a96 | Christos Stavrakakis | |
497 | fdc94944 | Christos Stavrakakis | pool = models.OneToOneField('IPPoolTable', related_name='network', |
498 | 941992c4 | Christos Stavrakakis | default=lambda: IPPoolTable.objects.create(available_map='', |
499 | 941992c4 | Christos Stavrakakis | reserved_map='',
|
500 | 941992c4 | Christos Stavrakakis | size=0),
|
501 | 941992c4 | Christos Stavrakakis | null=True)
|
502 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, related_name='network',
|
503 | 004967e4 | Christos Stavrakakis | null=True)
|
504 | 77f0fa63 | Christos Stavrakakis | |
505 | 864bed43 | Christos Stavrakakis | objects = ForUpdateManager() |
506 | 77f0fa63 | Christos Stavrakakis | |
507 | cfd70896 | Christos Stavrakakis | def __unicode__(self): |
508 | cfd70896 | Christos Stavrakakis | return str(self.id) |
509 | cfd70896 | Christos Stavrakakis | |
510 | e6a42a96 | Christos Stavrakakis | @property
|
511 | e6a42a96 | Christos Stavrakakis | def backend_id(self): |
512 | fd65ab41 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
513 | e6a42a96 | Christos Stavrakakis | if not self.id: |
514 | e6a42a96 | Christos Stavrakakis | raise Network.InvalidBackendIdError("self.id is None") |
515 | d30f29aa | Christos Stavrakakis | return "%snet-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
516 | e6a42a96 | Christos Stavrakakis | |
517 | e6a42a96 | Christos Stavrakakis | @property
|
518 | e6a42a96 | Christos Stavrakakis | def backend_tag(self): |
519 | e6a42a96 | Christos Stavrakakis | """Return the network tag to be used in backend
|
520 | e6a42a96 | Christos Stavrakakis |
|
521 | e6a42a96 | Christos Stavrakakis | """
|
522 | b7d38981 | Dimitris Aragiorgis | if self.tags: |
523 | b7d38981 | Dimitris Aragiorgis | return self.tags.split(',') |
524 | b7d38981 | Dimitris Aragiorgis | else:
|
525 | b7d38981 | Dimitris Aragiorgis | return []
|
526 | e6a42a96 | Christos Stavrakakis | |
527 | 7cfbbf32 | Christos Stavrakakis | def create_backend_network(self, backend=None): |
528 | 7cfbbf32 | Christos Stavrakakis | """Create corresponding BackendNetwork entries."""
|
529 | 7cfbbf32 | Christos Stavrakakis | |
530 | 0816cd46 | Christos Stavrakakis | backends = [backend] if backend\
|
531 | 0816cd46 | Christos Stavrakakis | else Backend.objects.filter(offline=False) |
532 | 7cfbbf32 | Christos Stavrakakis | for backend in backends: |
533 | 68b952f9 | Christos Stavrakakis | backend_exists =\ |
534 | 68b952f9 | Christos Stavrakakis | BackendNetwork.objects.filter(backend=backend, network=self)\
|
535 | 68b952f9 | Christos Stavrakakis | .exists() |
536 | 68b952f9 | Christos Stavrakakis | if not backend_exists: |
537 | ce9abd26 | Christos Stavrakakis | BackendNetwork.objects.create(backend=backend, network=self)
|
538 | fd65ab41 | Christos Stavrakakis | |
539 | fdc94944 | Christos Stavrakakis | def get_pool(self): |
540 | 3718c0f1 | Christos Stavrakakis | if not self.pool_id: |
541 | 3718c0f1 | Christos Stavrakakis | self.pool = IPPoolTable.objects.create(available_map='', |
542 | 3718c0f1 | Christos Stavrakakis | reserved_map='',
|
543 | 3718c0f1 | Christos Stavrakakis | size=0)
|
544 | 3718c0f1 | Christos Stavrakakis | self.save()
|
545 | 048fab1e | Christos Stavrakakis | return IPPoolTable.objects.select_for_update().get(id=self.pool_id)\ |
546 | 048fab1e | Christos Stavrakakis | .pool |
547 | 77f0fa63 | Christos Stavrakakis | |
548 | fdc94944 | Christos Stavrakakis | def reserve_address(self, address): |
549 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
550 | 77f0fa63 | Christos Stavrakakis | pool.reserve(address) |
551 | fdc94944 | Christos Stavrakakis | pool.save() |
552 | 77f0fa63 | Christos Stavrakakis | |
553 | fdc94944 | Christos Stavrakakis | def release_address(self, address): |
554 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
555 | fdc94944 | Christos Stavrakakis | pool.put(address) |
556 | fdc94944 | Christos Stavrakakis | pool.save() |
557 | 77f0fa63 | Christos Stavrakakis | |
558 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
559 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
560 | 048fab1e | Christos Stavrakakis | self.value = value
|
561 | 048fab1e | Christos Stavrakakis | |
562 | 048fab1e | Christos Stavrakakis | def __str__(self): |
563 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
564 | 048fab1e | Christos Stavrakakis | |
565 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
566 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
567 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
568 | 048fab1e | Christos Stavrakakis | self.status = status
|
569 | 048fab1e | Christos Stavrakakis | |
570 | 048fab1e | Christos Stavrakakis | def __str__(self): |
571 | 68b952f9 | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' |
572 | 68b952f9 | Christos Stavrakakis | % (self.opcode, self.status)) |
573 | 048fab1e | Christos Stavrakakis | |
574 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
575 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
576 | 048fab1e | Christos Stavrakakis | self._action = action
|
577 | 048fab1e | Christos Stavrakakis | |
578 | 048fab1e | Christos Stavrakakis | def __str__(self): |
579 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
580 | 048fab1e | Christos Stavrakakis | |
581 | e3187d7a | Christos Stavrakakis | class DeletedError(Exception): |
582 | e3187d7a | Christos Stavrakakis | pass
|
583 | e3187d7a | Christos Stavrakakis | |
584 | e3187d7a | Christos Stavrakakis | class BuildingError(Exception): |
585 | e3187d7a | Christos Stavrakakis | pass
|
586 | e3187d7a | Christos Stavrakakis | |
587 | 864bed43 | Christos Stavrakakis | |
588 | fd65ab41 | Christos Stavrakakis | class BackendNetwork(models.Model): |
589 | fd65ab41 | Christos Stavrakakis | OPER_STATES = ( |
590 | fd65ab41 | Christos Stavrakakis | ('PENDING', 'Pending'), |
591 | fd65ab41 | Christos Stavrakakis | ('ACTIVE', 'Active'), |
592 | fd65ab41 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
593 | fd65ab41 | Christos Stavrakakis | ('ERROR', 'Error') |
594 | fd65ab41 | Christos Stavrakakis | ) |
595 | fd65ab41 | Christos Stavrakakis | |
596 | fd65ab41 | Christos Stavrakakis | # The list of possible operations on the backend
|
597 | fd65ab41 | Christos Stavrakakis | BACKEND_OPCODES = ( |
598 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_ADD', 'Create Network'), |
599 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_CONNECT', 'Activate Network'), |
600 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_DISCONNECT', 'Deactivate Network'), |
601 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_REMOVE', 'Remove Network'), |
602 | fd65ab41 | Christos Stavrakakis | # These are listed here for completeness,
|
603 | fd65ab41 | Christos Stavrakakis | # and are ignored for the time being
|
604 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_SET_PARAMS', 'Set Network Parameters'), |
605 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_QUERY_DATA', 'Query Network Data') |
606 | fd65ab41 | Christos Stavrakakis | ) |
607 | fd65ab41 | Christos Stavrakakis | |
608 | fd65ab41 | Christos Stavrakakis | # The operating state of a Netowork,
|
609 | fd65ab41 | Christos Stavrakakis | # upon the successful completion of a backend operation.
|
610 | fd65ab41 | Christos Stavrakakis | # IMPORTANT: Make sure all keys have a corresponding
|
611 | fd65ab41 | Christos Stavrakakis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
612 | fd65ab41 | Christos Stavrakakis | OPER_STATE_FROM_OPCODE = { |
613 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_ADD': 'PENDING', |
614 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_CONNECT': 'ACTIVE', |
615 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_DISCONNECT': 'PENDING', |
616 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_REMOVE': 'DELETED', |
617 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_SET_PARAMS': None, |
618 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_QUERY_DATA': None |
619 | fd65ab41 | Christos Stavrakakis | } |
620 | fd65ab41 | Christos Stavrakakis | |
621 | fd65ab41 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='backend_networks')
|
622 | fd65ab41 | Christos Stavrakakis | backend = models.ForeignKey(Backend, related_name='networks')
|
623 | fd65ab41 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
624 | fd65ab41 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
625 | fd65ab41 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False) |
626 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
627 | fd65ab41 | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
628 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
629 | fd65ab41 | Christos Stavrakakis | backendjobid = models.PositiveIntegerField(null=True)
|
630 | fd65ab41 | Christos Stavrakakis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
631 | fd65ab41 | Christos Stavrakakis | null=True)
|
632 | fd65ab41 | Christos Stavrakakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
633 | fd65ab41 | Christos Stavrakakis | max_length=30, null=True) |
634 | fd65ab41 | Christos Stavrakakis | backendlogmsg = models.TextField(null=True)
|
635 | fd65ab41 | Christos Stavrakakis | backendtime = models.DateTimeField(null=False,
|
636 | fd65ab41 | Christos Stavrakakis | default=datetime.datetime.min) |
637 | fd65ab41 | Christos Stavrakakis | |
638 | 7cfbbf32 | Christos Stavrakakis | class Meta: |
639 | 7cfbbf32 | Christos Stavrakakis | # Ensure one entry for each network in each backend
|
640 | 7cfbbf32 | Christos Stavrakakis | unique_together = (("network", "backend")) |
641 | 7cfbbf32 | Christos Stavrakakis | |
642 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
643 | 3165f027 | Christos Stavrakakis | """Initialize state for just created BackendNetwork instances."""
|
644 | 3165f027 | Christos Stavrakakis | super(BackendNetwork, self).__init__(*args, **kwargs) |
645 | 3165f027 | Christos Stavrakakis | if not self.mac_prefix: |
646 | 3165f027 | Christos Stavrakakis | # Generate the MAC prefix of the BackendNetwork, by combining
|
647 | 3165f027 | Christos Stavrakakis | # the Network prefix with the index of the Backend
|
648 | 3165f027 | Christos Stavrakakis | net_prefix = self.network.mac_prefix
|
649 | 3165f027 | Christos Stavrakakis | backend_suffix = hex(self.backend.index).replace('0x', '') |
650 | 3165f027 | Christos Stavrakakis | mac_prefix = net_prefix + backend_suffix |
651 | 3165f027 | Christos Stavrakakis | try:
|
652 | 3165f027 | Christos Stavrakakis | utils.validate_mac(mac_prefix + ":00:00:00")
|
653 | 3165f027 | Christos Stavrakakis | except utils.InvalidMacAddress:
|
654 | 68b952f9 | Christos Stavrakakis | raise utils.InvalidMacAddress("Invalid MAC prefix '%s'" % |
655 | 68b952f9 | Christos Stavrakakis | mac_prefix) |
656 | 3165f027 | Christos Stavrakakis | self.mac_prefix = mac_prefix
|
657 | 3165f027 | Christos Stavrakakis | |
658 | f533f224 | Vangelis Koukis | |
659 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
660 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
661 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
662 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
663 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
664 | f533f224 | Vangelis Koukis | ) |
665 | ce55f211 | Kostas Papadimitriou | |
666 | f533f224 | Vangelis Koukis | machine = models.ForeignKey(VirtualMachine, related_name='nics')
|
667 | f533f224 | Vangelis Koukis | network = models.ForeignKey(Network, related_name='nics')
|
668 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
669 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
670 | 3b56bbe4 | Christos Stavrakakis | index = models.IntegerField(null=False)
|
671 | 3165f027 | Christos Stavrakakis | mac = models.CharField(max_length=32, null=False, unique=True) |
672 | f533f224 | Vangelis Koukis | ipv4 = models.CharField(max_length=15, null=True) |
673 | f533f224 | Vangelis Koukis | ipv6 = models.CharField(max_length=100, null=True) |
674 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
675 | 244c552b | Giorgos Verigakis | max_length=30, null=True) |
676 | 0196d9a3 | Christos Stavrakakis | dirty = models.BooleanField(default=False)
|
677 | ce55f211 | Kostas Papadimitriou | |
678 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
679 | 2987cd8a | Giorgos Verigakis | return '%s@%s' % (self.machine.name, self.network.name) |
680 | f533f224 | Vangelis Koukis | |
681 | f533f224 | Vangelis Koukis | |
682 | 03992c72 | Christos Stavrakakis | class PoolTable(models.Model): |
683 | 03992c72 | Christos Stavrakakis | available_map = models.TextField(default="", null=False) |
684 | 03992c72 | Christos Stavrakakis | reserved_map = models.TextField(default="", null=False) |
685 | 03992c72 | Christos Stavrakakis | size = models.IntegerField(null=False)
|
686 | e1334eb6 | Christos Stavrakakis | |
687 | 03992c72 | Christos Stavrakakis | # Optional Fields
|
688 | 03992c72 | Christos Stavrakakis | base = models.CharField(null=True, max_length=32) |
689 | 03992c72 | Christos Stavrakakis | offset = models.IntegerField(null=True)
|
690 | ce55f211 | Kostas Papadimitriou | |
691 | e1334eb6 | Christos Stavrakakis | objects = ForUpdateManager() |
692 | e1334eb6 | Christos Stavrakakis | |
693 | e6a42a96 | Christos Stavrakakis | class Meta: |
694 | e6a42a96 | Christos Stavrakakis | abstract = True
|
695 | e6a42a96 | Christos Stavrakakis | |
696 | e6a42a96 | Christos Stavrakakis | @classmethod
|
697 | 03992c72 | Christos Stavrakakis | def get_pool(cls): |
698 | e6a42a96 | Christos Stavrakakis | try:
|
699 | 21c9042c | Christos Stavrakakis | pool_row = cls.objects.select_for_update().get() |
700 | 03992c72 | Christos Stavrakakis | return pool_row.pool
|
701 | 3bdfc1be | Christos Stavrakakis | except cls.DoesNotExist:
|
702 | 03992c72 | Christos Stavrakakis | raise pools.EmptyPool
|
703 | e6a42a96 | Christos Stavrakakis | |
704 | 03992c72 | Christos Stavrakakis | @property
|
705 | 03992c72 | Christos Stavrakakis | def pool(self): |
706 | 03992c72 | Christos Stavrakakis | return self.manager(self) |
707 | e6a42a96 | Christos Stavrakakis | |
708 | e6a42a96 | Christos Stavrakakis | |
709 | 03992c72 | Christos Stavrakakis | class BridgePoolTable(PoolTable): |
710 | 03992c72 | Christos Stavrakakis | manager = pools.BridgePool |
711 | e6a42a96 | Christos Stavrakakis | |
712 | fdc94944 | Christos Stavrakakis | |
713 | 03992c72 | Christos Stavrakakis | class MacPrefixPoolTable(PoolTable): |
714 | 03992c72 | Christos Stavrakakis | manager = pools.MacPrefixPool |
715 | fdc94944 | Christos Stavrakakis | |
716 | fdc94944 | Christos Stavrakakis | |
717 | fdc94944 | Christos Stavrakakis | class IPPoolTable(PoolTable): |
718 | fdc94944 | Christos Stavrakakis | manager = pools.IPPool |
719 | 3524241a | Christos Stavrakakis | |
720 | 3524241a | Christos Stavrakakis | |
721 | 3524241a | Christos Stavrakakis | @contextmanager
|
722 | 3524241a | Christos Stavrakakis | def pooled_rapi_client(obj): |
723 | 3524241a | Christos Stavrakakis | if isinstance(obj, VirtualMachine): |
724 | 3524241a | Christos Stavrakakis | backend = obj.backend |
725 | 3524241a | Christos Stavrakakis | else:
|
726 | 3524241a | Christos Stavrakakis | backend = obj |
727 | 3524241a | Christos Stavrakakis | |
728 | 3524241a | Christos Stavrakakis | if backend.offline:
|
729 | 3524241a | Christos Stavrakakis | raise ServiceUnavailable
|
730 | 3524241a | Christos Stavrakakis | |
731 | 3524241a | Christos Stavrakakis | b = backend |
732 | 3524241a | Christos Stavrakakis | client = get_rapi_client(b.id, b.hash, b.clustername, b.port, |
733 | 3524241a | Christos Stavrakakis | b.username, b.password) |
734 | 4216cd83 | Christos Stavrakakis | try:
|
735 | 4216cd83 | Christos Stavrakakis | yield client
|
736 | 4216cd83 | Christos Stavrakakis | finally:
|
737 | 4216cd83 | Christos Stavrakakis | put_rapi_client(client) |
738 | 6ce1fc56 | Kostas Papadimitriou | |
739 | 6ce1fc56 | Kostas Papadimitriou | |
740 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnosticManager(models.Manager): |
741 | 6ce1fc56 | Kostas Papadimitriou | """
|
742 | 6ce1fc56 | Kostas Papadimitriou | Custom manager for :class:`VirtualMachineDiagnostic` model.
|
743 | 6ce1fc56 | Kostas Papadimitriou | """
|
744 | 6ce1fc56 | Kostas Papadimitriou | |
745 | 6ce1fc56 | Kostas Papadimitriou | # diagnostic creation helpers
|
746 | 6ce1fc56 | Kostas Papadimitriou | def create_for_vm(self, vm, level, message, **kwargs): |
747 | 6ce1fc56 | Kostas Papadimitriou | attrs = {'machine': vm, 'level': level, 'message': message} |
748 | 6ce1fc56 | Kostas Papadimitriou | attrs.update(kwargs) |
749 | 6ce1fc56 | Kostas Papadimitriou | # update instance updated time
|
750 | 6ce1fc56 | Kostas Papadimitriou | self.create(**attrs)
|
751 | 6ce1fc56 | Kostas Papadimitriou | vm.save() |
752 | 6ce1fc56 | Kostas Papadimitriou | |
753 | 6ce1fc56 | Kostas Papadimitriou | def create_error(self, vm, **kwargs): |
754 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'ERROR', **kwargs) |
755 | 6ce1fc56 | Kostas Papadimitriou | |
756 | 6ce1fc56 | Kostas Papadimitriou | def create_debug(self, vm, **kwargs): |
757 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'DEBUG', **kwargs) |
758 | 6ce1fc56 | Kostas Papadimitriou | |
759 | 6ce1fc56 | Kostas Papadimitriou | def since(self, vm, created_since, **kwargs): |
760 | 6ce1fc56 | Kostas Papadimitriou | return self.get_query_set().filter(vm=vm, created__gt=created_since, |
761 | 68b952f9 | Christos Stavrakakis | **kwargs) |
762 | 6ce1fc56 | Kostas Papadimitriou | |
763 | 6ce1fc56 | Kostas Papadimitriou | |
764 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnostic(models.Model): |
765 | 6ce1fc56 | Kostas Papadimitriou | """
|
766 | 6ce1fc56 | Kostas Papadimitriou | Model to store backend information messages that relate to the state of
|
767 | 6ce1fc56 | Kostas Papadimitriou | the virtual machine.
|
768 | 6ce1fc56 | Kostas Papadimitriou | """
|
769 | 6ce1fc56 | Kostas Papadimitriou | |
770 | 6ce1fc56 | Kostas Papadimitriou | TYPES = ( |
771 | 6ce1fc56 | Kostas Papadimitriou | ('ERROR', 'Error'), |
772 | 6ce1fc56 | Kostas Papadimitriou | ('WARNING', 'Warning'), |
773 | 6ce1fc56 | Kostas Papadimitriou | ('INFO', 'Info'), |
774 | 6ce1fc56 | Kostas Papadimitriou | ('DEBUG', 'Debug'), |
775 | 6ce1fc56 | Kostas Papadimitriou | ) |
776 | 6ce1fc56 | Kostas Papadimitriou | |
777 | 6ce1fc56 | Kostas Papadimitriou | objects = VirtualMachineDiagnosticManager() |
778 | 6ce1fc56 | Kostas Papadimitriou | |
779 | 6ce1fc56 | Kostas Papadimitriou | created = models.DateTimeField(auto_now_add=True)
|
780 | 6ce1fc56 | Kostas Papadimitriou | machine = models.ForeignKey('VirtualMachine', related_name="diagnostics") |
781 | 6ce1fc56 | Kostas Papadimitriou | level = models.CharField(max_length=20, choices=TYPES)
|
782 | 6ce1fc56 | Kostas Papadimitriou | source = models.CharField(max_length=100)
|
783 | 6ce1fc56 | Kostas Papadimitriou | source_date = models.DateTimeField(null=True)
|
784 | 6ce1fc56 | Kostas Papadimitriou | message = models.CharField(max_length=255)
|
785 | 6ce1fc56 | Kostas Papadimitriou | details = models.TextField(null=True)
|
786 | 6ce1fc56 | Kostas Papadimitriou | |
787 | 6ce1fc56 | Kostas Papadimitriou | class Meta: |
788 | 6ce1fc56 | Kostas Papadimitriou | ordering = ['-created'] |