root / snf-cyclades-app / synnefo / db / models.py @ 7b72b50d
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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 | bd87213f | Christos Stavrakakis | from copy import deepcopy |
33 | 9dbe70f8 | Markos Gogoulos | from django.conf import settings |
34 | 17935f41 | Vassilios Karakoidas | from django.db import models |
35 | 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 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
40 | 0c09b1c0 | Christos Stavrakakis | from django.conf import settings as snf_settings |
41 | 30e0ed74 | Christos Stavrakakis | from aes_encrypt import encrypt_db_charfield, decrypt_db_charfield |
42 | aed9b901 | Christos Stavrakakis | |
43 | c9976c84 | Christos Stavrakakis | from synnefo.db import pools, fields |
44 | 864bed43 | Christos Stavrakakis | |
45 | 3524241a | Christos Stavrakakis | from synnefo.logic.rapi_pool import (get_rapi_client, |
46 | 3524241a | Christos Stavrakakis | put_rapi_client) |
47 | aed9b901 | Christos Stavrakakis | |
48 | b533e9b2 | Christos Stavrakakis | import logging |
49 | b533e9b2 | Christos Stavrakakis | log = logging.getLogger(__name__) |
50 | b533e9b2 | Christos Stavrakakis | |
51 | aed9b901 | Christos Stavrakakis | |
52 | e7164ebc | Vassilios Karakoidas | class Flavor(models.Model): |
53 | 13b3c5ff | Vassilios Karakoidas | cpu = models.IntegerField('Number of CPUs', default=0) |
54 | c909cbbd | Giorgos Verigakis | ram = models.IntegerField('RAM size in MiB', default=0) |
55 | c909cbbd | Giorgos Verigakis | disk = models.IntegerField('Disk size in GiB', default=0) |
56 | c802789d | Christos Stavrakakis | disk_template = models.CharField('Disk template', max_length=32) |
57 | 2c60cbef | Giorgos Verigakis | deleted = models.BooleanField('Deleted', default=False) |
58 | ce55f211 | Kostas Papadimitriou | |
59 | be7b8d37 | Vassilios Karakoidas | class Meta: |
60 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Virtual machine flavor'
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61 | b1af40e2 | Giorgos Verigakis | unique_together = ('cpu', 'ram', 'disk', 'disk_template') |
62 | ce55f211 | Kostas Papadimitriou | |
63 | 9ff7ca6f | Giorgos Verigakis | @property
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64 | 9ff7ca6f | Giorgos Verigakis | def name(self): |
65 | f0f4edac | Vassilios Karakoidas | """Returns flavor name (generated)"""
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66 | b65a3b04 | Christos Stavrakakis | return u'C%dR%dD%d%s' % (self.cpu, self.ram, self.disk, |
67 | b65a3b04 | Christos Stavrakakis | self.disk_template)
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68 | ce55f211 | Kostas Papadimitriou | |
69 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
70 | df36a125 | Christos Stavrakakis | return "<%s:%s>" % (str(self.id), self.name) |
71 | 452d2391 | Vassilios Karakoidas | |
72 | 46547e14 | Faidon Liambotis | |
73 | aed9b901 | Christos Stavrakakis | class Backend(models.Model): |
74 | aed9b901 | Christos Stavrakakis | clustername = models.CharField('Cluster Name', max_length=128, unique=True) |
75 | aed9b901 | Christos Stavrakakis | port = models.PositiveIntegerField('Port', default=5080) |
76 | aed9b901 | Christos Stavrakakis | username = models.CharField('Username', max_length=64, blank=True, |
77 | aed9b901 | Christos Stavrakakis | null=True)
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78 | 2a8a60d5 | Christos Stavrakakis | password_hash = models.CharField('Password', max_length=128, blank=True, |
79 | 68b952f9 | Christos Stavrakakis | null=True)
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80 | aed9b901 | Christos Stavrakakis | # Sha1 is up to 40 characters long
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81 | aed9b901 | Christos Stavrakakis | hash = models.CharField('Hash', max_length=40, editable=False, null=False) |
82 | 3165f027 | Christos Stavrakakis | # Unique index of the Backend, used for the mac-prefixes of the
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83 | 3165f027 | Christos Stavrakakis | # BackendNetworks
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84 | 3165f027 | Christos Stavrakakis | index = models.PositiveIntegerField('Index', null=False, unique=True, |
85 | 3165f027 | Christos Stavrakakis | default=0)
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86 | aed9b901 | Christos Stavrakakis | drained = models.BooleanField('Drained', default=False, null=False) |
87 | aed9b901 | Christos Stavrakakis | offline = models.BooleanField('Offline', default=False, null=False) |
88 | bd87213f | Christos Stavrakakis | # Type of hypervisor
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89 | bd87213f | Christos Stavrakakis | hypervisor = models.CharField('Hypervisor', max_length=32, default="kvm", |
90 | bd87213f | Christos Stavrakakis | null=False)
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91 | c9976c84 | Christos Stavrakakis | disk_templates = fields.SeparatedValuesField("Disk Templates", null=True) |
92 | aed9b901 | Christos Stavrakakis | # Last refresh of backend resources
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93 | aed9b901 | Christos Stavrakakis | updated = models.DateTimeField(auto_now_add=True)
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94 | aed9b901 | Christos Stavrakakis | # Backend resources
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95 | aed9b901 | Christos Stavrakakis | mfree = models.PositiveIntegerField('Free Memory', default=0, null=False) |
96 | aed9b901 | Christos Stavrakakis | mtotal = models.PositiveIntegerField('Total Memory', default=0, null=False) |
97 | aed9b901 | Christos Stavrakakis | dfree = models.PositiveIntegerField('Free Disk', default=0, null=False) |
98 | aed9b901 | Christos Stavrakakis | dtotal = models.PositiveIntegerField('Total Disk', default=0, null=False) |
99 | aed9b901 | Christos Stavrakakis | pinst_cnt = models.PositiveIntegerField('Primary Instances', default=0, |
100 | aed9b901 | Christos Stavrakakis | null=False)
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101 | aed9b901 | Christos Stavrakakis | ctotal = models.PositiveIntegerField('Total number of logical processors',
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102 | aed9b901 | Christos Stavrakakis | default=0, null=False) |
103 | aed9b901 | Christos Stavrakakis | |
104 | 4c9ac139 | Christos Stavrakakis | HYPERVISORS = ( |
105 | 4c9ac139 | Christos Stavrakakis | ("kvm", "Linux KVM hypervisor"), |
106 | 4c9ac139 | Christos Stavrakakis | ("xen-pvm", "Xen PVM hypervisor"), |
107 | 4c9ac139 | Christos Stavrakakis | ("xen-hvm", "Xen KVM hypervisor"), |
108 | 4c9ac139 | Christos Stavrakakis | ) |
109 | 4c9ac139 | Christos Stavrakakis | |
110 | aed9b901 | Christos Stavrakakis | class Meta: |
111 | aed9b901 | Christos Stavrakakis | verbose_name = u'Backend'
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112 | aed9b901 | Christos Stavrakakis | ordering = ["clustername"]
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113 | aed9b901 | Christos Stavrakakis | |
114 | aed9b901 | Christos Stavrakakis | def __unicode__(self): |
115 | bf5c82dc | Christos Stavrakakis | return self.clustername + "(id=" + str(self.id) + ")" |
116 | aed9b901 | Christos Stavrakakis | |
117 | aed9b901 | Christos Stavrakakis | @property
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118 | aed9b901 | Christos Stavrakakis | def backend_id(self): |
119 | aed9b901 | Christos Stavrakakis | return self.id |
120 | aed9b901 | Christos Stavrakakis | |
121 | 3524241a | Christos Stavrakakis | def get_client(self): |
122 | aed9b901 | Christos Stavrakakis | """Get or create a client. """
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123 | 3524241a | Christos Stavrakakis | if self.offline: |
124 | bd40abfa | Christos Stavrakakis | raise faults.ServiceUnavailable
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125 | 3524241a | Christos Stavrakakis | return get_rapi_client(self.id, self.hash, |
126 | cc50e51a | Christos Stavrakakis | self.clustername,
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127 | cc50e51a | Christos Stavrakakis | self.port,
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128 | 3524241a | Christos Stavrakakis | self.username,
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129 | 3524241a | Christos Stavrakakis | self.password)
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130 | 3524241a | Christos Stavrakakis | |
131 | 3524241a | Christos Stavrakakis | @staticmethod
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132 | 3524241a | Christos Stavrakakis | def put_client(client): |
133 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
134 | aed9b901 | Christos Stavrakakis | |
135 | aed9b901 | Christos Stavrakakis | def create_hash(self): |
136 | aed9b901 | Christos Stavrakakis | """Create a hash for this backend. """
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137 | 68b952f9 | Christos Stavrakakis | sha = sha1('%s%s%s%s' %
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138 | 68b952f9 | Christos Stavrakakis | (self.clustername, self.port, self.username, self.password)) |
139 | 68b952f9 | Christos Stavrakakis | return sha.hexdigest()
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140 | aed9b901 | Christos Stavrakakis | |
141 | 30e0ed74 | Christos Stavrakakis | @property
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142 | 30e0ed74 | Christos Stavrakakis | def password(self): |
143 | 30e0ed74 | Christos Stavrakakis | return decrypt_db_charfield(self.password_hash) |
144 | 30e0ed74 | Christos Stavrakakis | |
145 | 30e0ed74 | Christos Stavrakakis | @password.setter
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146 | 30e0ed74 | Christos Stavrakakis | def password(self, value): |
147 | 30e0ed74 | Christos Stavrakakis | self.password_hash = encrypt_db_charfield(value)
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148 | 30e0ed74 | Christos Stavrakakis | |
149 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
150 | aed9b901 | Christos Stavrakakis | # Create a new hash each time a Backend is saved
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151 | aed9b901 | Christos Stavrakakis | old_hash = self.hash
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152 | aed9b901 | Christos Stavrakakis | self.hash = self.create_hash() |
153 | aed9b901 | Christos Stavrakakis | super(Backend, self).save(*args, **kwargs) |
154 | aed9b901 | Christos Stavrakakis | if self.hash != old_hash: |
155 | aed9b901 | Christos Stavrakakis | # Populate the new hash to the new instances
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156 | 68b952f9 | Christos Stavrakakis | self.virtual_machines.filter(deleted=False)\ |
157 | 68b952f9 | Christos Stavrakakis | .update(backend_hash=self.hash)
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158 | aed9b901 | Christos Stavrakakis | |
159 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
160 | 3165f027 | Christos Stavrakakis | super(Backend, self).__init__(*args, **kwargs) |
161 | 3165f027 | Christos Stavrakakis | if not self.pk: |
162 | 3165f027 | Christos Stavrakakis | # Generate a unique index for the Backend
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163 | 3165f027 | Christos Stavrakakis | indexes = Backend.objects.all().values_list('index', flat=True) |
164 | ce9abd26 | Christos Stavrakakis | try:
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165 | ce9abd26 | Christos Stavrakakis | first_free = [x for x in xrange(0, 16) if x not in indexes][0] |
166 | ce9abd26 | Christos Stavrakakis | self.index = first_free
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167 | ce9abd26 | Christos Stavrakakis | except IndexError: |
168 | ce9abd26 | Christos Stavrakakis | raise Exception("Can not create more than 16 backends") |
169 | 3165f027 | Christos Stavrakakis | |
170 | bd87213f | Christos Stavrakakis | def use_hotplug(self): |
171 | bd87213f | Christos Stavrakakis | return self.hypervisor == "kvm" and snf_settings.GANETI_USE_HOTPLUG |
172 | bd87213f | Christos Stavrakakis | |
173 | bd87213f | Christos Stavrakakis | def get_create_params(self): |
174 | bd87213f | Christos Stavrakakis | params = deepcopy(snf_settings.GANETI_CREATEINSTANCE_KWARGS) |
175 | bd87213f | Christos Stavrakakis | params["hvparams"] = params.get("hvparams", {})\ |
176 | bd87213f | Christos Stavrakakis | .get(self.hypervisor, {})
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177 | bd87213f | Christos Stavrakakis | return params
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178 | bd87213f | Christos Stavrakakis | |
179 | aed9b901 | Christos Stavrakakis | |
180 | fd65ab41 | Christos Stavrakakis | # A backend job may be in one of the following possible states
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181 | fd65ab41 | Christos Stavrakakis | BACKEND_STATUSES = ( |
182 | fd65ab41 | Christos Stavrakakis | ('queued', 'request queued'), |
183 | fd65ab41 | Christos Stavrakakis | ('waiting', 'request waiting for locks'), |
184 | fd65ab41 | Christos Stavrakakis | ('canceling', 'request being canceled'), |
185 | fd65ab41 | Christos Stavrakakis | ('running', 'request running'), |
186 | fd65ab41 | Christos Stavrakakis | ('canceled', 'request canceled'), |
187 | fd65ab41 | Christos Stavrakakis | ('success', 'request completed successfully'), |
188 | fd65ab41 | Christos Stavrakakis | ('error', 'request returned error') |
189 | fd65ab41 | Christos Stavrakakis | ) |
190 | fd65ab41 | Christos Stavrakakis | |
191 | fd65ab41 | Christos Stavrakakis | |
192 | 3416e629 | Christos Stavrakakis | class QuotaHolderSerial(models.Model): |
193 | 97fffe10 | Christos Stavrakakis | """Model representing a serial for a Quotaholder Commission.
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194 | 97fffe10 | Christos Stavrakakis |
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195 | 97fffe10 | Christos Stavrakakis | serial: The serial that Quotaholder assigned to this commission
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196 | 97fffe10 | Christos Stavrakakis | pending: Whether it has been decided to accept or reject this commission
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197 | 97fffe10 | Christos Stavrakakis | accept: If pending is False, this attribute indicates whether to accept
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198 | 97fffe10 | Christos Stavrakakis | or reject this commission
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199 | 97fffe10 | Christos Stavrakakis | resolved: Whether this commission has been accepted or rejected to
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200 | 97fffe10 | Christos Stavrakakis | Quotaholder.
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201 | 97fffe10 | Christos Stavrakakis |
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202 | 97fffe10 | Christos Stavrakakis | """
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203 | 68b952f9 | Christos Stavrakakis | serial = models.BigIntegerField(null=False, primary_key=True, |
204 | 68b952f9 | Christos Stavrakakis | db_index=True)
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205 | 3416e629 | Christos Stavrakakis | pending = models.BooleanField(default=True, db_index=True) |
206 | 97fffe10 | Christos Stavrakakis | accept = models.BooleanField(default=False)
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207 | 97fffe10 | Christos Stavrakakis | resolved = models.BooleanField(default=False)
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208 | 3416e629 | Christos Stavrakakis | |
209 | 3416e629 | Christos Stavrakakis | class Meta: |
210 | 3416e629 | Christos Stavrakakis | verbose_name = u'Quota Serial'
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211 | 3416e629 | Christos Stavrakakis | ordering = ["serial"]
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212 | 3416e629 | Christos Stavrakakis | |
213 | 41a7fae7 | Christos Stavrakakis | def __unicode__(self): |
214 | 41a7fae7 | Christos Stavrakakis | return u"<serial: %s>" % self.serial |
215 | 41a7fae7 | Christos Stavrakakis | |
216 | 3416e629 | Christos Stavrakakis | |
217 | 07f3219d | Vassilios Karakoidas | class VirtualMachine(models.Model): |
218 | c92af313 | Vangelis Koukis | # The list of possible actions for a VM
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219 | d08a5f6f | Vangelis Koukis | ACTIONS = ( |
220 | 68b952f9 | Christos Stavrakakis | ('CREATE', 'Create VM'), |
221 | 68b952f9 | Christos Stavrakakis | ('START', 'Start VM'), |
222 | 68b952f9 | Christos Stavrakakis | ('STOP', 'Shutdown VM'), |
223 | 68b952f9 | Christos Stavrakakis | ('SUSPEND', 'Admin Suspend VM'), |
224 | 68b952f9 | Christos Stavrakakis | ('REBOOT', 'Reboot VM'), |
225 | 1af851fd | Christos Stavrakakis | ('DESTROY', 'Destroy VM'), |
226 | 1af851fd | Christos Stavrakakis | ('RESIZE', 'Resize a VM'), |
227 | 9ba6bb95 | Christos Stavrakakis | ('ADDFLOATINGIP', 'Add floating IP to VM'), |
228 | 9ba6bb95 | Christos Stavrakakis | ('REMOVEFLOATINGIP', 'Add floating IP to VM'), |
229 | d08a5f6f | Vangelis Koukis | ) |
230 | ce55f211 | Kostas Papadimitriou | |
231 | c92af313 | Vangelis Koukis | # The internal operating state of a VM
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232 | d08a5f6f | Vangelis Koukis | OPER_STATES = ( |
233 | d08a5f6f | Vangelis Koukis | ('BUILD', 'Queued for creation'), |
234 | d08a5f6f | Vangelis Koukis | ('ERROR', 'Creation failed'), |
235 | d08a5f6f | Vangelis Koukis | ('STOPPED', 'Stopped'), |
236 | d08a5f6f | Vangelis Koukis | ('STARTED', 'Started'), |
237 | 1af851fd | Christos Stavrakakis | ('DESTROYED', 'Destroyed'), |
238 | 1af851fd | Christos Stavrakakis | ('RESIZE', 'Resizing') |
239 | d08a5f6f | Vangelis Koukis | ) |
240 | ce55f211 | Kostas Papadimitriou | |
241 | c92af313 | Vangelis Koukis | # The list of possible operations on the backend
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242 | d08a5f6f | Vangelis Koukis | BACKEND_OPCODES = ( |
243 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_CREATE', 'Create Instance'), |
244 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_REMOVE', 'Remove Instance'), |
245 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_STARTUP', 'Startup Instance'), |
246 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_SHUTDOWN', 'Shutdown Instance'), |
247 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_REBOOT', 'Reboot Instance'), |
248 | 26fef2b9 | Vangelis Koukis | |
249 | 26fef2b9 | Vangelis Koukis | # These are listed here for completeness,
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250 | 26fef2b9 | Vangelis Koukis | # and are ignored for the time being
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251 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_SET_PARAMS', 'Set Instance Parameters'), |
252 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_QUERY_DATA', 'Query Instance Data'), |
253 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REINSTALL', 'Reinstall Instance'), |
254 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_ACTIVATE_DISKS', 'Activate Disks'), |
255 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_DEACTIVATE_DISKS', 'Deactivate Disks'), |
256 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_REPLACE_DISKS', 'Replace Disks'), |
257 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_MIGRATE', 'Migrate Instance'), |
258 | 21d8adbf | Vangelis Koukis | ('OP_INSTANCE_CONSOLE', 'Get Instance Console'), |
259 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_RECREATE_DISKS', 'Recreate Disks'), |
260 | 41303ed0 | Vangelis Koukis | ('OP_INSTANCE_FAILOVER', 'Failover Instance') |
261 | d08a5f6f | Vangelis Koukis | ) |
262 | ce55f211 | Kostas Papadimitriou | |
263 | d08a5f6f | Vangelis Koukis | # The operating state of a VM,
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264 | d08a5f6f | Vangelis Koukis | # upon the successful completion of a backend operation.
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265 | 21d8adbf | Vangelis Koukis | # IMPORTANT: Make sure all keys have a corresponding
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266 | 21d8adbf | Vangelis Koukis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
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267 | d08a5f6f | Vangelis Koukis | OPER_STATE_FROM_OPCODE = { |
268 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_CREATE': 'STARTED', |
269 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_REMOVE': 'DESTROYED', |
270 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_STARTUP': 'STARTED', |
271 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_SHUTDOWN': 'STOPPED', |
272 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_REBOOT': 'STARTED', |
273 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_SET_PARAMS': None, |
274 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_QUERY_DATA': None, |
275 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REINSTALL': None, |
276 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_ACTIVATE_DISKS': None, |
277 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_DEACTIVATE_DISKS': None, |
278 | 1bce82c0 | Christos Stavrakakis | 'OP_INSTANCE_REPLACE_DISKS': None, |
279 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_MIGRATE': None, |
280 | 8490bf84 | Georgios Gousios | 'OP_INSTANCE_CONSOLE': None, |
281 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_RECREATE_DISKS': None, |
282 | 41303ed0 | Vangelis Koukis | 'OP_INSTANCE_FAILOVER': None |
283 | d08a5f6f | Vangelis Koukis | } |
284 | d08a5f6f | Vangelis Koukis | |
285 | c92af313 | Vangelis Koukis | # This dictionary contains the correspondence between
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286 | c92af313 | Vangelis Koukis | # internal operating states and Server States as defined
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287 | c92af313 | Vangelis Koukis | # by the Rackspace API.
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288 | d08a5f6f | Vangelis Koukis | RSAPI_STATE_FROM_OPER_STATE = { |
289 | d08a5f6f | Vangelis Koukis | "BUILD": "BUILD", |
290 | d08a5f6f | Vangelis Koukis | "ERROR": "ERROR", |
291 | d08a5f6f | Vangelis Koukis | "STOPPED": "STOPPED", |
292 | d08a5f6f | Vangelis Koukis | "STARTED": "ACTIVE", |
293 | 41a7fae7 | Christos Stavrakakis | 'RESIZE': 'RESIZE', |
294 | 41a7fae7 | Christos Stavrakakis | 'DESTROYED': 'DELETED', |
295 | d08a5f6f | Vangelis Koukis | } |
296 | d08a5f6f | Vangelis Koukis | |
297 | 4daac449 | Vassilios Karakoidas | name = models.CharField('Virtual Machine Name', max_length=255) |
298 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=100, |
299 | e18c1749 | Christos Stavrakakis | db_index=True, null=False) |
300 | aed9b901 | Christos Stavrakakis | backend = models.ForeignKey(Backend, null=True,
|
301 | 26515bc1 | Christos Stavrakakis | related_name="virtual_machines",
|
302 | 26515bc1 | Christos Stavrakakis | on_delete=models.PROTECT) |
303 | aed9b901 | Christos Stavrakakis | backend_hash = models.CharField(max_length=128, null=True, editable=False) |
304 | d174b105 | Vassilios Karakoidas | created = models.DateTimeField(auto_now_add=True)
|
305 | d174b105 | Vassilios Karakoidas | updated = models.DateTimeField(auto_now=True)
|
306 | 936afb7b | Giorgos Verigakis | imageid = models.CharField(max_length=100, null=False) |
307 | 22571df6 | Vassilios Karakoidas | hostid = models.CharField(max_length=100)
|
308 | 3bb0b117 | Christos Stavrakakis | flavor = models.ForeignKey(Flavor, on_delete=models.PROTECT) |
309 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
310 | 9ff7ca6f | Giorgos Verigakis | suspended = models.BooleanField('Administratively Suspended',
|
311 | 244c552b | Giorgos Verigakis | default=False)
|
312 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
313 | 3bb0b117 | Christos Stavrakakis | related_name='virtual_machine', null=True, |
314 | 3bb0b117 | Christos Stavrakakis | on_delete=models.SET_NULL) |
315 | d08a5f6f | Vangelis Koukis | |
316 | ce55f211 | Kostas Papadimitriou | # VM State
|
317 | 52194743 | Vangelis Koukis | # The following fields are volatile data, in the sense
|
318 | 52194743 | Vangelis Koukis | # that they need not be persistent in the DB, but rather
|
319 | 52194743 | Vangelis Koukis | # get generated at runtime by quering Ganeti and applying
|
320 | 52194743 | Vangelis Koukis | # updates received from Ganeti.
|
321 | ce55f211 | Kostas Papadimitriou | |
322 | 73b2b65e | Vassilios Karakoidas | # In the future they could be moved to a separate caching layer
|
323 | 73b2b65e | Vassilios Karakoidas | # and removed from the database.
|
324 | 73b2b65e | Vassilios Karakoidas | # [vkoukis] after discussion with [faidon].
|
325 | 1cfd5d4d | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=30, null=True, |
326 | 1cfd5d4d | Christos Stavrakakis | default=None)
|
327 | 1cfd5d4d | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
328 | 1cfd5d4d | Christos Stavrakakis | null=False, default="BUILD") |
329 | dfd19c2d | Vassilios Karakoidas | backendjobid = models.PositiveIntegerField(null=True)
|
330 | f533f224 | Vangelis Koukis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
331 | aed9b901 | Christos Stavrakakis | null=True)
|
332 | 9ff7ca6f | Giorgos Verigakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
333 | aed9b901 | Christos Stavrakakis | max_length=30, null=True) |
334 | dfd19c2d | Vassilios Karakoidas | backendlogmsg = models.TextField(null=True)
|
335 | 19da4325 | Vangelis Koukis | buildpercentage = models.IntegerField(default=0)
|
336 | c4e55622 | Christos Stavrakakis | backendtime = models.DateTimeField(default=datetime.datetime.min) |
337 | 9068cd85 | Georgios Gousios | |
338 | 41a7fae7 | Christos Stavrakakis | # Latest action and corresponding Ganeti job ID, for actions issued
|
339 | 41a7fae7 | Christos Stavrakakis | # by the API
|
340 | 41a7fae7 | Christos Stavrakakis | task = models.CharField(max_length=64, null=True) |
341 | e8d31c74 | Christos Stavrakakis | task_job_id = models.BigIntegerField(null=True)
|
342 | 41a7fae7 | Christos Stavrakakis | |
343 | 3524241a | Christos Stavrakakis | def get_client(self): |
344 | 3524241a | Christos Stavrakakis | if self.backend: |
345 | 2cea7f38 | Christos Stavrakakis | return self.backend.get_client() |
346 | aed9b901 | Christos Stavrakakis | else:
|
347 | bd40abfa | Christos Stavrakakis | raise faults.ServiceUnavailable
|
348 | aed9b901 | Christos Stavrakakis | |
349 | 6ce1fc56 | Kostas Papadimitriou | def get_last_diagnostic(self, **filters): |
350 | 6ce1fc56 | Kostas Papadimitriou | try:
|
351 | 6ce1fc56 | Kostas Papadimitriou | return self.diagnostics.filter()[0] |
352 | 6ce1fc56 | Kostas Papadimitriou | except IndexError: |
353 | 6ce1fc56 | Kostas Papadimitriou | return None |
354 | 6ce1fc56 | Kostas Papadimitriou | |
355 | 3524241a | Christos Stavrakakis | @staticmethod
|
356 | 3524241a | Christos Stavrakakis | def put_client(client): |
357 | 3524241a | Christos Stavrakakis | put_rapi_client(client) |
358 | 3524241a | Christos Stavrakakis | |
359 | aed9b901 | Christos Stavrakakis | def save(self, *args, **kwargs): |
360 | aed9b901 | Christos Stavrakakis | # Store hash for first time saved vm
|
361 | aed9b901 | Christos Stavrakakis | if (self.id is None or self.backend_hash == '') and self.backend: |
362 | aed9b901 | Christos Stavrakakis | self.backend_hash = self.backend.hash |
363 | aed9b901 | Christos Stavrakakis | super(VirtualMachine, self).save(*args, **kwargs) |
364 | aed9b901 | Christos Stavrakakis | |
365 | 9ff7ca6f | Giorgos Verigakis | @property
|
366 | 924d8085 | Christos Stavrakakis | def backend_vm_id(self): |
367 | 224b5e19 | Markos Gogoulos | """Returns the backend id for this VM by prepending backend-prefix."""
|
368 | 76ba77c1 | Vangelis Koukis | if not self.id: |
369 | 76ba77c1 | Vangelis Koukis | raise VirtualMachine.InvalidBackendIdError("self.id is None") |
370 | d30f29aa | Christos Stavrakakis | return "%s%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
371 | ce55f211 | Kostas Papadimitriou | |
372 | d08a5f6f | Vangelis Koukis | class Meta: |
373 | d08a5f6f | Vangelis Koukis | verbose_name = u'Virtual machine instance'
|
374 | d08a5f6f | Vangelis Koukis | get_latest_by = 'created'
|
375 | ce55f211 | Kostas Papadimitriou | |
376 | d08a5f6f | Vangelis Koukis | def __unicode__(self): |
377 | 7c714455 | Christos Stavrakakis | return u"<vm:%s@backend:%s>" % (self.id, self.backend_id) |
378 | d08a5f6f | Vangelis Koukis | |
379 | 048fab1e | Christos Stavrakakis | # Error classes
|
380 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
381 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
382 | 048fab1e | Christos Stavrakakis | self.value = value
|
383 | 048fab1e | Christos Stavrakakis | |
384 | 048fab1e | Christos Stavrakakis | def __str__(self): |
385 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
386 | 048fab1e | Christos Stavrakakis | |
387 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
388 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
389 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
390 | 048fab1e | Christos Stavrakakis | self.status = status
|
391 | 048fab1e | Christos Stavrakakis | |
392 | 048fab1e | Christos Stavrakakis | def __str__(self): |
393 | 048fab1e | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' % (self.opcode, |
394 | 048fab1e | Christos Stavrakakis | self.status))
|
395 | 048fab1e | Christos Stavrakakis | |
396 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
397 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
398 | 048fab1e | Christos Stavrakakis | self._action = action
|
399 | 048fab1e | Christos Stavrakakis | |
400 | 048fab1e | Christos Stavrakakis | def __str__(self): |
401 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
402 | 048fab1e | Christos Stavrakakis | |
403 | 4ffb82dc | Vassilios Karakoidas | |
404 | be7b8d37 | Vassilios Karakoidas | class VirtualMachineMetadata(models.Model): |
405 | be7b8d37 | Vassilios Karakoidas | meta_key = models.CharField(max_length=50)
|
406 | be7b8d37 | Vassilios Karakoidas | meta_value = models.CharField(max_length=500)
|
407 | 3bb0b117 | Christos Stavrakakis | vm = models.ForeignKey(VirtualMachine, related_name='metadata',
|
408 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
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 | 99af08a4 | Christos Stavrakakis | ('PENDING', 'Pending'), # Unused because of lazy networks |
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 | ece5581b | Christos Stavrakakis | ('ADD', 'Add server to Network'), |
430 | ece5581b | Christos Stavrakakis | ('REMOVE', 'Remove server from Network'), |
431 | e6a42a96 | Christos Stavrakakis | ) |
432 | e6a42a96 | Christos Stavrakakis | |
433 | e6a42a96 | Christos Stavrakakis | RSAPI_STATE_FROM_OPER_STATE = { |
434 | e6a42a96 | Christos Stavrakakis | 'PENDING': 'PENDING', |
435 | e6a42a96 | Christos Stavrakakis | 'ACTIVE': 'ACTIVE', |
436 | e6a42a96 | Christos Stavrakakis | 'DELETED': 'DELETED', |
437 | e6a42a96 | Christos Stavrakakis | 'ERROR': 'ERROR' |
438 | e6a42a96 | Christos Stavrakakis | } |
439 | e6a42a96 | Christos Stavrakakis | |
440 | b7d38981 | Dimitris Aragiorgis | FLAVORS = { |
441 | b7d38981 | Dimitris Aragiorgis | 'CUSTOM': {
|
442 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
443 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_BRIDGE,
|
444 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
445 | 68b952f9 | Christos Stavrakakis | 'tags': None, |
446 | 68b952f9 | Christos Stavrakakis | 'desc': "Basic flavor used for a bridged network", |
447 | b7d38981 | Dimitris Aragiorgis | }, |
448 | b7d38981 | Dimitris Aragiorgis | 'IP_LESS_ROUTED': {
|
449 | 68b952f9 | Christos Stavrakakis | 'mode': 'routed', |
450 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_ROUTING_TABLE,
|
451 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
452 | 68b952f9 | Christos Stavrakakis | 'tags': 'ip-less-routed', |
453 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for an IP-less routed network using" |
454 | 68b952f9 | Christos Stavrakakis | " Proxy ARP",
|
455 | b7d38981 | Dimitris Aragiorgis | }, |
456 | b7d38981 | Dimitris Aragiorgis | 'MAC_FILTERED': {
|
457 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
458 | 68b952f9 | Christos Stavrakakis | 'link': settings.DEFAULT_MAC_FILTERED_BRIDGE,
|
459 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': 'pool', |
460 | 68b952f9 | Christos Stavrakakis | 'tags': 'private-filtered', |
461 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged networks that offer isolation" |
462 | 68b952f9 | Christos Stavrakakis | " via filtering packets based on their src "
|
463 | 68b952f9 | Christos Stavrakakis | " MAC (ebtables)",
|
464 | b7d38981 | Dimitris Aragiorgis | }, |
465 | b7d38981 | Dimitris Aragiorgis | 'PHYSICAL_VLAN': {
|
466 | 68b952f9 | Christos Stavrakakis | 'mode': 'bridged', |
467 | 68b952f9 | Christos Stavrakakis | 'link': 'pool', |
468 | 68b952f9 | Christos Stavrakakis | 'mac_prefix': settings.DEFAULT_MAC_PREFIX,
|
469 | 68b952f9 | Christos Stavrakakis | 'tags': 'physical-vlan', |
470 | 68b952f9 | Christos Stavrakakis | 'desc': "Flavor used for bridged network that offer isolation" |
471 | 68b952f9 | Christos Stavrakakis | " via dedicated physical vlan",
|
472 | b7d38981 | Dimitris Aragiorgis | }, |
473 | b7d38981 | Dimitris Aragiorgis | } |
474 | ce55f211 | Kostas Papadimitriou | |
475 | e6a42a96 | Christos Stavrakakis | name = models.CharField('Network Name', max_length=128) |
476 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=128, |
477 | 190d155f | Christos Stavrakakis | null=True, db_index=True) |
478 | b7d38981 | Dimitris Aragiorgis | flavor = models.CharField('Flavor', max_length=32, null=False) |
479 | b7d38981 | Dimitris Aragiorgis | mode = models.CharField('Network Mode', max_length=16, null=True) |
480 | b7d38981 | Dimitris Aragiorgis | link = models.CharField('Network Link', max_length=32, null=True) |
481 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
482 | b7d38981 | Dimitris Aragiorgis | tags = models.CharField('Network Tags', max_length=128, null=True) |
483 | 190d155f | Christos Stavrakakis | public = models.BooleanField(default=False, db_index=True) |
484 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
485 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
486 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
487 | fd65ab41 | Christos Stavrakakis | state = models.CharField(choices=OPER_STATES, max_length=32,
|
488 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
489 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
490 | 244c552b | Giorgos Verigakis | through='NetworkInterface')
|
491 | fd65ab41 | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=32, null=True, |
492 | fd65ab41 | Christos Stavrakakis | default=None)
|
493 | 6dafedf6 | Christos Stavrakakis | drained = models.BooleanField("Drained", default=False, null=False) |
494 | 9115d567 | Christos Stavrakakis | floating_ip_pool = models.BooleanField('Floating IP Pool', null=False, |
495 | b2d0830b | Christos Stavrakakis | default=False)
|
496 | 7b72b50d | Christos Stavrakakis | external_router = models.BooleanField(default=False)
|
497 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, related_name='network',
|
498 | 3bb0b117 | Christos Stavrakakis | null=True, on_delete=models.SET_NULL)
|
499 | 77f0fa63 | Christos Stavrakakis | |
500 | cfd70896 | Christos Stavrakakis | def __unicode__(self): |
501 | 0989632e | Christos Stavrakakis | return "<Network: %s>" % str(self.id) |
502 | cfd70896 | Christos Stavrakakis | |
503 | e6a42a96 | Christos Stavrakakis | @property
|
504 | e6a42a96 | Christos Stavrakakis | def backend_id(self): |
505 | fd65ab41 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
506 | e6a42a96 | Christos Stavrakakis | if not self.id: |
507 | e6a42a96 | Christos Stavrakakis | raise Network.InvalidBackendIdError("self.id is None") |
508 | d30f29aa | Christos Stavrakakis | return "%snet-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
509 | e6a42a96 | Christos Stavrakakis | |
510 | e6a42a96 | Christos Stavrakakis | @property
|
511 | e6a42a96 | Christos Stavrakakis | def backend_tag(self): |
512 | e6a42a96 | Christos Stavrakakis | """Return the network tag to be used in backend
|
513 | e6a42a96 | Christos Stavrakakis |
|
514 | e6a42a96 | Christos Stavrakakis | """
|
515 | b7d38981 | Dimitris Aragiorgis | if self.tags: |
516 | b7d38981 | Dimitris Aragiorgis | return self.tags.split(',') |
517 | b7d38981 | Dimitris Aragiorgis | else:
|
518 | b7d38981 | Dimitris Aragiorgis | return []
|
519 | e6a42a96 | Christos Stavrakakis | |
520 | 7cfbbf32 | Christos Stavrakakis | def create_backend_network(self, backend=None): |
521 | 7cfbbf32 | Christos Stavrakakis | """Create corresponding BackendNetwork entries."""
|
522 | 7cfbbf32 | Christos Stavrakakis | |
523 | b2d0830b | Christos Stavrakakis | backends = [backend] if backend else\ |
524 | b2d0830b | Christos Stavrakakis | Backend.objects.filter(offline=False)
|
525 | 7cfbbf32 | Christos Stavrakakis | for backend in backends: |
526 | 68b952f9 | Christos Stavrakakis | backend_exists =\ |
527 | 68b952f9 | Christos Stavrakakis | BackendNetwork.objects.filter(backend=backend, network=self)\
|
528 | 68b952f9 | Christos Stavrakakis | .exists() |
529 | 68b952f9 | Christos Stavrakakis | if not backend_exists: |
530 | ce9abd26 | Christos Stavrakakis | BackendNetwork.objects.create(backend=backend, network=self)
|
531 | fd65ab41 | Christos Stavrakakis | |
532 | b2d0830b | Christos Stavrakakis | def get_pool(self, with_lock=True): |
533 | 3718c0f1 | Christos Stavrakakis | if not self.pool_id: |
534 | 3718c0f1 | Christos Stavrakakis | self.pool = IPPoolTable.objects.create(available_map='', |
535 | 3718c0f1 | Christos Stavrakakis | reserved_map='',
|
536 | 3718c0f1 | Christos Stavrakakis | size=0)
|
537 | 3718c0f1 | Christos Stavrakakis | self.save()
|
538 | b2d0830b | Christos Stavrakakis | objects = IPPoolTable.objects |
539 | b2d0830b | Christos Stavrakakis | if with_lock:
|
540 | b2d0830b | Christos Stavrakakis | objects = objects.select_for_update() |
541 | b2d0830b | Christos Stavrakakis | return objects.get(id=self.pool_id).pool |
542 | 77f0fa63 | Christos Stavrakakis | |
543 | fdc94944 | Christos Stavrakakis | def reserve_address(self, address): |
544 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
545 | 77f0fa63 | Christos Stavrakakis | pool.reserve(address) |
546 | fdc94944 | Christos Stavrakakis | pool.save() |
547 | 77f0fa63 | Christos Stavrakakis | |
548 | fdc94944 | Christos Stavrakakis | def release_address(self, address): |
549 | fdc94944 | Christos Stavrakakis | pool = self.get_pool()
|
550 | fdc94944 | Christos Stavrakakis | pool.put(address) |
551 | fdc94944 | Christos Stavrakakis | pool.save() |
552 | 77f0fa63 | Christos Stavrakakis | |
553 | 048fab1e | Christos Stavrakakis | class InvalidBackendIdError(Exception): |
554 | 048fab1e | Christos Stavrakakis | def __init__(self, value): |
555 | 048fab1e | Christos Stavrakakis | self.value = value
|
556 | 048fab1e | Christos Stavrakakis | |
557 | 048fab1e | Christos Stavrakakis | def __str__(self): |
558 | 048fab1e | Christos Stavrakakis | return repr(self.value) |
559 | 048fab1e | Christos Stavrakakis | |
560 | 048fab1e | Christos Stavrakakis | class InvalidBackendMsgError(Exception): |
561 | 048fab1e | Christos Stavrakakis | def __init__(self, opcode, status): |
562 | 048fab1e | Christos Stavrakakis | self.opcode = opcode
|
563 | 048fab1e | Christos Stavrakakis | self.status = status
|
564 | 048fab1e | Christos Stavrakakis | |
565 | 048fab1e | Christos Stavrakakis | def __str__(self): |
566 | 68b952f9 | Christos Stavrakakis | return repr('<opcode: %s, status: %s>' |
567 | 68b952f9 | Christos Stavrakakis | % (self.opcode, self.status)) |
568 | 048fab1e | Christos Stavrakakis | |
569 | 048fab1e | Christos Stavrakakis | class InvalidActionError(Exception): |
570 | 048fab1e | Christos Stavrakakis | def __init__(self, action): |
571 | 048fab1e | Christos Stavrakakis | self._action = action
|
572 | 048fab1e | Christos Stavrakakis | |
573 | 048fab1e | Christos Stavrakakis | def __str__(self): |
574 | 048fab1e | Christos Stavrakakis | return repr(str(self._action)) |
575 | 048fab1e | Christos Stavrakakis | |
576 | 864bed43 | Christos Stavrakakis | |
577 | 4e3a6674 | Christos Stavrakakis | class Subnet(models.Model): |
578 | 4e3a6674 | Christos Stavrakakis | SUBNET_NAME_LENGTH = 128
|
579 | 4e3a6674 | Christos Stavrakakis | |
580 | 4e3a6674 | Christos Stavrakakis | network = models.ForeignKey('Network', null=False, db_index=True, |
581 | 4e3a6674 | Christos Stavrakakis | related_name="subnets")
|
582 | 4e3a6674 | Christos Stavrakakis | name = models.CharField('Subnet Name', max_length=SUBNET_NAME_LENGTH,
|
583 | 4e3a6674 | Christos Stavrakakis | null=True)
|
584 | 4e3a6674 | Christos Stavrakakis | ipversion = models.IntegerField('IP Version', default=4, null=False) |
585 | 4e3a6674 | Christos Stavrakakis | cidr = models.CharField('Subnet', max_length=64, null=True) |
586 | 4e3a6674 | Christos Stavrakakis | gateway = models.CharField('Gateway', max_length=64, null=True) |
587 | 4e3a6674 | Christos Stavrakakis | dhcp = models.BooleanField('DHCP', default=True) |
588 | 4e3a6674 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
589 | 4e3a6674 | Christos Stavrakakis | host_routes = fields.SeparatedValuesField('Host Routes', null=True) |
590 | 4e3a6674 | Christos Stavrakakis | dns_nameservers = fields.SeparatedValuesField('DNS Nameservers', null=True) |
591 | 4e3a6674 | Christos Stavrakakis | |
592 | 4e3a6674 | Christos Stavrakakis | def __unicode__(self): |
593 | 4e3a6674 | Christos Stavrakakis | return "<Subnet %s, Network: %s>" % (self.id, self.network_id) |
594 | 4e3a6674 | Christos Stavrakakis | |
595 | 4e3a6674 | Christos Stavrakakis | |
596 | fd65ab41 | Christos Stavrakakis | class BackendNetwork(models.Model): |
597 | fd65ab41 | Christos Stavrakakis | OPER_STATES = ( |
598 | fd65ab41 | Christos Stavrakakis | ('PENDING', 'Pending'), |
599 | fd65ab41 | Christos Stavrakakis | ('ACTIVE', 'Active'), |
600 | fd65ab41 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
601 | fd65ab41 | Christos Stavrakakis | ('ERROR', 'Error') |
602 | fd65ab41 | Christos Stavrakakis | ) |
603 | fd65ab41 | Christos Stavrakakis | |
604 | fd65ab41 | Christos Stavrakakis | # The list of possible operations on the backend
|
605 | fd65ab41 | Christos Stavrakakis | BACKEND_OPCODES = ( |
606 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_ADD', 'Create Network'), |
607 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_CONNECT', 'Activate Network'), |
608 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_DISCONNECT', 'Deactivate Network'), |
609 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_REMOVE', 'Remove Network'), |
610 | fd65ab41 | Christos Stavrakakis | # These are listed here for completeness,
|
611 | fd65ab41 | Christos Stavrakakis | # and are ignored for the time being
|
612 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_SET_PARAMS', 'Set Network Parameters'), |
613 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_QUERY_DATA', 'Query Network Data') |
614 | fd65ab41 | Christos Stavrakakis | ) |
615 | fd65ab41 | Christos Stavrakakis | |
616 | fd65ab41 | Christos Stavrakakis | # The operating state of a Netowork,
|
617 | fd65ab41 | Christos Stavrakakis | # upon the successful completion of a backend operation.
|
618 | fd65ab41 | Christos Stavrakakis | # IMPORTANT: Make sure all keys have a corresponding
|
619 | fd65ab41 | Christos Stavrakakis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
620 | fd65ab41 | Christos Stavrakakis | OPER_STATE_FROM_OPCODE = { |
621 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_ADD': 'PENDING', |
622 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_CONNECT': 'ACTIVE', |
623 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_DISCONNECT': 'PENDING', |
624 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_REMOVE': 'DELETED', |
625 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_SET_PARAMS': None, |
626 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_QUERY_DATA': None |
627 | fd65ab41 | Christos Stavrakakis | } |
628 | fd65ab41 | Christos Stavrakakis | |
629 | 3bb0b117 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='backend_networks',
|
630 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
631 | 26515bc1 | Christos Stavrakakis | backend = models.ForeignKey(Backend, related_name='networks',
|
632 | 26515bc1 | Christos Stavrakakis | on_delete=models.PROTECT) |
633 | fd65ab41 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
634 | fd65ab41 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
635 | fd65ab41 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False) |
636 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
637 | fd65ab41 | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
638 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
639 | fd65ab41 | Christos Stavrakakis | backendjobid = models.PositiveIntegerField(null=True)
|
640 | fd65ab41 | Christos Stavrakakis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
641 | fd65ab41 | Christos Stavrakakis | null=True)
|
642 | fd65ab41 | Christos Stavrakakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
643 | fd65ab41 | Christos Stavrakakis | max_length=30, null=True) |
644 | fd65ab41 | Christos Stavrakakis | backendlogmsg = models.TextField(null=True)
|
645 | fd65ab41 | Christos Stavrakakis | backendtime = models.DateTimeField(null=False,
|
646 | fd65ab41 | Christos Stavrakakis | default=datetime.datetime.min) |
647 | fd65ab41 | Christos Stavrakakis | |
648 | 7cfbbf32 | Christos Stavrakakis | class Meta: |
649 | 7cfbbf32 | Christos Stavrakakis | # Ensure one entry for each network in each backend
|
650 | 7cfbbf32 | Christos Stavrakakis | unique_together = (("network", "backend")) |
651 | 7cfbbf32 | Christos Stavrakakis | |
652 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
653 | 3165f027 | Christos Stavrakakis | """Initialize state for just created BackendNetwork instances."""
|
654 | 3165f027 | Christos Stavrakakis | super(BackendNetwork, self).__init__(*args, **kwargs) |
655 | 3165f027 | Christos Stavrakakis | if not self.mac_prefix: |
656 | 3165f027 | Christos Stavrakakis | # Generate the MAC prefix of the BackendNetwork, by combining
|
657 | 3165f027 | Christos Stavrakakis | # the Network prefix with the index of the Backend
|
658 | 3165f027 | Christos Stavrakakis | net_prefix = self.network.mac_prefix
|
659 | 3165f027 | Christos Stavrakakis | backend_suffix = hex(self.backend.index).replace('0x', '') |
660 | 3165f027 | Christos Stavrakakis | mac_prefix = net_prefix + backend_suffix |
661 | 3165f027 | Christos Stavrakakis | try:
|
662 | 3165f027 | Christos Stavrakakis | utils.validate_mac(mac_prefix + ":00:00:00")
|
663 | 3165f027 | Christos Stavrakakis | except utils.InvalidMacAddress:
|
664 | 68b952f9 | Christos Stavrakakis | raise utils.InvalidMacAddress("Invalid MAC prefix '%s'" % |
665 | 68b952f9 | Christos Stavrakakis | mac_prefix) |
666 | 3165f027 | Christos Stavrakakis | self.mac_prefix = mac_prefix
|
667 | 3165f027 | Christos Stavrakakis | |
668 | 99af08a4 | Christos Stavrakakis | def __unicode__(self): |
669 | 99af08a4 | Christos Stavrakakis | return '<%s@%s>' % (self.network, self.backend) |
670 | 99af08a4 | Christos Stavrakakis | |
671 | f533f224 | Vangelis Koukis | |
672 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
673 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
674 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
675 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
676 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
677 | f533f224 | Vangelis Koukis | ) |
678 | ce55f211 | Kostas Papadimitriou | |
679 | 939d71dd | Christos Stavrakakis | STATES = ( |
680 | 939d71dd | Christos Stavrakakis | ("ACTIVE", "Active"), |
681 | 939d71dd | Christos Stavrakakis | ("BUILDING", "Building"), |
682 | 9dcfad23 | Christos Stavrakakis | ("ERROR", "Error"), |
683 | 939d71dd | Christos Stavrakakis | ) |
684 | 939d71dd | Christos Stavrakakis | |
685 | 443315d6 | Christos Stavrakakis | IP_TYPES = ( |
686 | 443315d6 | Christos Stavrakakis | ("FIXED", "Fixed IP Address"), |
687 | 443315d6 | Christos Stavrakakis | ("FLOATING", "Floating IP Address"), |
688 | 443315d6 | Christos Stavrakakis | ) |
689 | 443315d6 | Christos Stavrakakis | |
690 | 3bb0b117 | Christos Stavrakakis | machine = models.ForeignKey(VirtualMachine, related_name='nics',
|
691 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
692 | 3bb0b117 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='nics',
|
693 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
694 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
695 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
696 | 051e47f8 | Christos Stavrakakis | index = models.IntegerField(null=True)
|
697 | 939d71dd | Christos Stavrakakis | mac = models.CharField(max_length=32, null=True, unique=True) |
698 | f533f224 | Vangelis Koukis | ipv4 = models.CharField(max_length=15, null=True) |
699 | f533f224 | Vangelis Koukis | ipv6 = models.CharField(max_length=100, null=True) |
700 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
701 | 244c552b | Giorgos Verigakis | max_length=30, null=True) |
702 | ef54eee4 | Christos Stavrakakis | state = models.CharField(max_length=32, null=False, default="ACTIVE", |
703 | 939d71dd | Christos Stavrakakis | choices=STATES) |
704 | 443315d6 | Christos Stavrakakis | ip_type = models.CharField(max_length=32, null=False, default="FIXED", |
705 | 443315d6 | Christos Stavrakakis | choices=IP_TYPES) |
706 | ce55f211 | Kostas Papadimitriou | |
707 | 7c714455 | Christos Stavrakakis | @property
|
708 | 7c714455 | Christos Stavrakakis | def backend_uuid(self): |
709 | 7c714455 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
710 | 7c714455 | Christos Stavrakakis | return "%snic-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
711 | 7c714455 | Christos Stavrakakis | |
712 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
713 | bc343480 | Christos Stavrakakis | return "<%s:vm:%s network:%s ipv4:%s ipv6:%s>" % \ |
714 | 7c714455 | Christos Stavrakakis | (self.id, self.machine_id, self.network_id, self.ipv4, |
715 | bc343480 | Christos Stavrakakis | self.ipv6)
|
716 | f533f224 | Vangelis Koukis | |
717 | df8a7015 | Christos Stavrakakis | class Meta: |
718 | df8a7015 | Christos Stavrakakis | # Assert than an IPv4 address from the same network will not be
|
719 | df8a7015 | Christos Stavrakakis | # assigned to more than one NICs
|
720 | df8a7015 | Christos Stavrakakis | unique_together = ("network", "ipv4") |
721 | df8a7015 | Christos Stavrakakis | |
722 | cb7b1c23 | Christos Stavrakakis | def delete(self): |
723 | cb7b1c23 | Christos Stavrakakis | """Custom method for deleting NetworkInterfaces.
|
724 | cb7b1c23 | Christos Stavrakakis |
|
725 | cb7b1c23 | Christos Stavrakakis | In case the NIC is of 'FLOATING' type, this method clears the 'machine'
|
726 | cb7b1c23 | Christos Stavrakakis | flag of the FloatingIP object, before deleting the NIC.
|
727 | cb7b1c23 | Christos Stavrakakis |
|
728 | cb7b1c23 | Christos Stavrakakis | """
|
729 | cb7b1c23 | Christos Stavrakakis | if self.ip_type == "FLOATING": |
730 | cb7b1c23 | Christos Stavrakakis | FloatingIP.objects.filter(machine=self.machine_id,
|
731 | cb7b1c23 | Christos Stavrakakis | network=self.network_id,
|
732 | cb7b1c23 | Christos Stavrakakis | ipv4=self.ipv4).update(machine=None) |
733 | cb7b1c23 | Christos Stavrakakis | super(NetworkInterface, self).delete() |
734 | cb7b1c23 | Christos Stavrakakis | |
735 | f533f224 | Vangelis Koukis | |
736 | c2876228 | Christos Stavrakakis | class FloatingIP(models.Model): |
737 | c2876228 | Christos Stavrakakis | userid = models.CharField("UUID of the owner", max_length=128, |
738 | c2876228 | Christos Stavrakakis | null=False, db_index=True) |
739 | c2876228 | Christos Stavrakakis | ipv4 = models.IPAddressField(null=False, unique=True, db_index=True) |
740 | c2876228 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name="floating_ips",
|
741 | 3bb0b117 | Christos Stavrakakis | null=False, on_delete=models.CASCADE)
|
742 | c2876228 | Christos Stavrakakis | machine = models.ForeignKey(VirtualMachine, related_name="floating_ips",
|
743 | 258d1f78 | Christos Stavrakakis | null=True, on_delete=models.SET_NULL)
|
744 | c2876228 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
745 | c2876228 | Christos Stavrakakis | deleted = models.BooleanField(default=False, null=False) |
746 | c2876228 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
747 | 3bb0b117 | Christos Stavrakakis | related_name="floating_ips", null=True, |
748 | 3bb0b117 | Christos Stavrakakis | on_delete=models.SET_NULL) |
749 | c2876228 | Christos Stavrakakis | |
750 | c2876228 | Christos Stavrakakis | def __unicode__(self): |
751 | 0989632e | Christos Stavrakakis | return "<FIP: %s@%s>" % (self.ipv4, self.network.id) |
752 | c2876228 | Christos Stavrakakis | |
753 | c2876228 | Christos Stavrakakis | def in_use(self): |
754 | c2876228 | Christos Stavrakakis | if self.machine is None: |
755 | c2876228 | Christos Stavrakakis | return False |
756 | c2876228 | Christos Stavrakakis | else:
|
757 | c2876228 | Christos Stavrakakis | return (not self.machine.deleted) |
758 | c2876228 | Christos Stavrakakis | |
759 | c2876228 | Christos Stavrakakis | |
760 | 03992c72 | Christos Stavrakakis | class PoolTable(models.Model): |
761 | 03992c72 | Christos Stavrakakis | available_map = models.TextField(default="", null=False) |
762 | 03992c72 | Christos Stavrakakis | reserved_map = models.TextField(default="", null=False) |
763 | 03992c72 | Christos Stavrakakis | size = models.IntegerField(null=False)
|
764 | e1334eb6 | Christos Stavrakakis | |
765 | 03992c72 | Christos Stavrakakis | # Optional Fields
|
766 | 03992c72 | Christos Stavrakakis | base = models.CharField(null=True, max_length=32) |
767 | 03992c72 | Christos Stavrakakis | offset = models.IntegerField(null=True)
|
768 | ce55f211 | Kostas Papadimitriou | |
769 | e6a42a96 | Christos Stavrakakis | class Meta: |
770 | e6a42a96 | Christos Stavrakakis | abstract = True
|
771 | e6a42a96 | Christos Stavrakakis | |
772 | e6a42a96 | Christos Stavrakakis | @classmethod
|
773 | 03992c72 | Christos Stavrakakis | def get_pool(cls): |
774 | e6a42a96 | Christos Stavrakakis | try:
|
775 | 21c9042c | Christos Stavrakakis | pool_row = cls.objects.select_for_update().get() |
776 | 03992c72 | Christos Stavrakakis | return pool_row.pool
|
777 | 3bdfc1be | Christos Stavrakakis | except cls.DoesNotExist:
|
778 | 03992c72 | Christos Stavrakakis | raise pools.EmptyPool
|
779 | e6a42a96 | Christos Stavrakakis | |
780 | 03992c72 | Christos Stavrakakis | @property
|
781 | 03992c72 | Christos Stavrakakis | def pool(self): |
782 | 03992c72 | Christos Stavrakakis | return self.manager(self) |
783 | e6a42a96 | Christos Stavrakakis | |
784 | e6a42a96 | Christos Stavrakakis | |
785 | 03992c72 | Christos Stavrakakis | class BridgePoolTable(PoolTable): |
786 | 03992c72 | Christos Stavrakakis | manager = pools.BridgePool |
787 | e6a42a96 | Christos Stavrakakis | |
788 | 0ccb6461 | Christos Stavrakakis | def __unicode__(self): |
789 | d793786b | Christos Stavrakakis | return u"<BridgePool id:%s>" % self.id |
790 | 0ccb6461 | Christos Stavrakakis | |
791 | fdc94944 | Christos Stavrakakis | |
792 | 03992c72 | Christos Stavrakakis | class MacPrefixPoolTable(PoolTable): |
793 | 03992c72 | Christos Stavrakakis | manager = pools.MacPrefixPool |
794 | fdc94944 | Christos Stavrakakis | |
795 | 0ccb6461 | Christos Stavrakakis | def __unicode__(self): |
796 | d793786b | Christos Stavrakakis | return u"<MACPrefixPool id:%s>" % self.id |
797 | 0ccb6461 | Christos Stavrakakis | |
798 | fdc94944 | Christos Stavrakakis | |
799 | fdc94944 | Christos Stavrakakis | class IPPoolTable(PoolTable): |
800 | fdc94944 | Christos Stavrakakis | manager = pools.IPPool |
801 | 3524241a | Christos Stavrakakis | |
802 | 4e3a6674 | Christos Stavrakakis | subnet = models.ForeignKey('Subnet', related_name="ip_pools", |
803 | 4e3a6674 | Christos Stavrakakis | db_index=True, null=True) |
804 | d793786b | Christos Stavrakakis | |
805 | 4e3a6674 | Christos Stavrakakis | def __unicode__(self): |
806 | 4e3a6674 | Christos Stavrakakis | return u"<IPv4AdressPool, Subnet: %s>" % self.subnet_id |
807 | 3524241a | Christos Stavrakakis | |
808 | 7b72b50d | Christos Stavrakakis | |
809 | 3524241a | Christos Stavrakakis | @contextmanager
|
810 | 3524241a | Christos Stavrakakis | def pooled_rapi_client(obj): |
811 | 198d91c3 | Christos Stavrakakis | if isinstance(obj, (VirtualMachine, BackendNetwork)): |
812 | 3524241a | Christos Stavrakakis | backend = obj.backend |
813 | 3524241a | Christos Stavrakakis | else:
|
814 | 3524241a | Christos Stavrakakis | backend = obj |
815 | 3524241a | Christos Stavrakakis | |
816 | 3524241a | Christos Stavrakakis | if backend.offline:
|
817 | 99af08a4 | Christos Stavrakakis | log.warning("Trying to connect with offline backend: %s", backend)
|
818 | 0129231a | Christos Stavrakakis | raise faults.ServiceUnavailable("Can not connect to offline" |
819 | 0129231a | Christos Stavrakakis | " backend: %s" % backend)
|
820 | 3524241a | Christos Stavrakakis | |
821 | 3524241a | Christos Stavrakakis | b = backend |
822 | 3524241a | Christos Stavrakakis | client = get_rapi_client(b.id, b.hash, b.clustername, b.port, |
823 | 3524241a | Christos Stavrakakis | b.username, b.password) |
824 | 4216cd83 | Christos Stavrakakis | try:
|
825 | 4216cd83 | Christos Stavrakakis | yield client
|
826 | 4216cd83 | Christos Stavrakakis | finally:
|
827 | 4216cd83 | Christos Stavrakakis | put_rapi_client(client) |
828 | 6ce1fc56 | Kostas Papadimitriou | |
829 | 6ce1fc56 | Kostas Papadimitriou | |
830 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnosticManager(models.Manager): |
831 | 6ce1fc56 | Kostas Papadimitriou | """
|
832 | 6ce1fc56 | Kostas Papadimitriou | Custom manager for :class:`VirtualMachineDiagnostic` model.
|
833 | 6ce1fc56 | Kostas Papadimitriou | """
|
834 | 6ce1fc56 | Kostas Papadimitriou | |
835 | 6ce1fc56 | Kostas Papadimitriou | # diagnostic creation helpers
|
836 | 6ce1fc56 | Kostas Papadimitriou | def create_for_vm(self, vm, level, message, **kwargs): |
837 | 6ce1fc56 | Kostas Papadimitriou | attrs = {'machine': vm, 'level': level, 'message': message} |
838 | 6ce1fc56 | Kostas Papadimitriou | attrs.update(kwargs) |
839 | 6ce1fc56 | Kostas Papadimitriou | # update instance updated time
|
840 | 6ce1fc56 | Kostas Papadimitriou | self.create(**attrs)
|
841 | 6ce1fc56 | Kostas Papadimitriou | vm.save() |
842 | 6ce1fc56 | Kostas Papadimitriou | |
843 | 6ce1fc56 | Kostas Papadimitriou | def create_error(self, vm, **kwargs): |
844 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'ERROR', **kwargs) |
845 | 6ce1fc56 | Kostas Papadimitriou | |
846 | 6ce1fc56 | Kostas Papadimitriou | def create_debug(self, vm, **kwargs): |
847 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'DEBUG', **kwargs) |
848 | 6ce1fc56 | Kostas Papadimitriou | |
849 | 6ce1fc56 | Kostas Papadimitriou | def since(self, vm, created_since, **kwargs): |
850 | 6ce1fc56 | Kostas Papadimitriou | return self.get_query_set().filter(vm=vm, created__gt=created_since, |
851 | 68b952f9 | Christos Stavrakakis | **kwargs) |
852 | 6ce1fc56 | Kostas Papadimitriou | |
853 | 6ce1fc56 | Kostas Papadimitriou | |
854 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnostic(models.Model): |
855 | 6ce1fc56 | Kostas Papadimitriou | """
|
856 | 6ce1fc56 | Kostas Papadimitriou | Model to store backend information messages that relate to the state of
|
857 | 6ce1fc56 | Kostas Papadimitriou | the virtual machine.
|
858 | 6ce1fc56 | Kostas Papadimitriou | """
|
859 | 6ce1fc56 | Kostas Papadimitriou | |
860 | 6ce1fc56 | Kostas Papadimitriou | TYPES = ( |
861 | 6ce1fc56 | Kostas Papadimitriou | ('ERROR', 'Error'), |
862 | 6ce1fc56 | Kostas Papadimitriou | ('WARNING', 'Warning'), |
863 | 6ce1fc56 | Kostas Papadimitriou | ('INFO', 'Info'), |
864 | 6ce1fc56 | Kostas Papadimitriou | ('DEBUG', 'Debug'), |
865 | 6ce1fc56 | Kostas Papadimitriou | ) |
866 | 6ce1fc56 | Kostas Papadimitriou | |
867 | 6ce1fc56 | Kostas Papadimitriou | objects = VirtualMachineDiagnosticManager() |
868 | 6ce1fc56 | Kostas Papadimitriou | |
869 | 6ce1fc56 | Kostas Papadimitriou | created = models.DateTimeField(auto_now_add=True)
|
870 | 3bb0b117 | Christos Stavrakakis | machine = models.ForeignKey('VirtualMachine', related_name="diagnostics", |
871 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
872 | 6ce1fc56 | Kostas Papadimitriou | level = models.CharField(max_length=20, choices=TYPES)
|
873 | 6ce1fc56 | Kostas Papadimitriou | source = models.CharField(max_length=100)
|
874 | 6ce1fc56 | Kostas Papadimitriou | source_date = models.DateTimeField(null=True)
|
875 | 6ce1fc56 | Kostas Papadimitriou | message = models.CharField(max_length=255)
|
876 | 6ce1fc56 | Kostas Papadimitriou | details = models.TextField(null=True)
|
877 | 6ce1fc56 | Kostas Papadimitriou | |
878 | 6ce1fc56 | Kostas Papadimitriou | class Meta: |
879 | 6ce1fc56 | Kostas Papadimitriou | ordering = ['-created'] |