root / snf-cyclades-app / synnefo / db / models.py @ 92d2d1ce
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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 | cddc2b2f | Dionysis Grigoropoulos | NETWORK_NAME_LENGTH = 128
|
476 | cddc2b2f | Dionysis Grigoropoulos | |
477 | cddc2b2f | Dionysis Grigoropoulos | name = models.CharField('Network Name', max_length=NETWORK_NAME_LENGTH)
|
478 | 190d155f | Christos Stavrakakis | userid = models.CharField('User ID of the owner', max_length=128, |
479 | 190d155f | Christos Stavrakakis | null=True, db_index=True) |
480 | b7d38981 | Dimitris Aragiorgis | flavor = models.CharField('Flavor', max_length=32, null=False) |
481 | b7d38981 | Dimitris Aragiorgis | mode = models.CharField('Network Mode', max_length=16, null=True) |
482 | b7d38981 | Dimitris Aragiorgis | link = models.CharField('Network Link', max_length=32, null=True) |
483 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
484 | b7d38981 | Dimitris Aragiorgis | tags = models.CharField('Network Tags', max_length=128, null=True) |
485 | 190d155f | Christos Stavrakakis | public = models.BooleanField(default=False, db_index=True) |
486 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
487 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
488 | 190d155f | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True) |
489 | fd65ab41 | Christos Stavrakakis | state = models.CharField(choices=OPER_STATES, max_length=32,
|
490 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
491 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
492 | 244c552b | Giorgos Verigakis | through='NetworkInterface')
|
493 | fd65ab41 | Christos Stavrakakis | action = models.CharField(choices=ACTIONS, max_length=32, null=True, |
494 | fd65ab41 | Christos Stavrakakis | default=None)
|
495 | 6dafedf6 | Christos Stavrakakis | drained = models.BooleanField("Drained", default=False, null=False) |
496 | 9115d567 | Christos Stavrakakis | floating_ip_pool = models.BooleanField('Floating IP Pool', null=False, |
497 | b2d0830b | Christos Stavrakakis | default=False)
|
498 | 7b72b50d | Christos Stavrakakis | external_router = models.BooleanField(default=False)
|
499 | 004967e4 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, related_name='network',
|
500 | 3bb0b117 | Christos Stavrakakis | null=True, on_delete=models.SET_NULL)
|
501 | 77f0fa63 | Christos Stavrakakis | |
502 | cfd70896 | Christos Stavrakakis | def __unicode__(self): |
503 | 0989632e | Christos Stavrakakis | return "<Network: %s>" % str(self.id) |
504 | cfd70896 | Christos Stavrakakis | |
505 | e6a42a96 | Christos Stavrakakis | @property
|
506 | e6a42a96 | Christos Stavrakakis | def backend_id(self): |
507 | fd65ab41 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
508 | e6a42a96 | Christos Stavrakakis | if not self.id: |
509 | e6a42a96 | Christos Stavrakakis | raise Network.InvalidBackendIdError("self.id is None") |
510 | d30f29aa | Christos Stavrakakis | return "%snet-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
511 | e6a42a96 | Christos Stavrakakis | |
512 | e6a42a96 | Christos Stavrakakis | @property
|
513 | e6a42a96 | Christos Stavrakakis | def backend_tag(self): |
514 | e6a42a96 | Christos Stavrakakis | """Return the network tag to be used in backend
|
515 | e6a42a96 | Christos Stavrakakis |
|
516 | e6a42a96 | Christos Stavrakakis | """
|
517 | b7d38981 | Dimitris Aragiorgis | if self.tags: |
518 | b7d38981 | Dimitris Aragiorgis | return self.tags.split(',') |
519 | b7d38981 | Dimitris Aragiorgis | else:
|
520 | b7d38981 | Dimitris Aragiorgis | return []
|
521 | e6a42a96 | Christos Stavrakakis | |
522 | 7cfbbf32 | Christos Stavrakakis | def create_backend_network(self, backend=None): |
523 | 7cfbbf32 | Christos Stavrakakis | """Create corresponding BackendNetwork entries."""
|
524 | 7cfbbf32 | Christos Stavrakakis | |
525 | b2d0830b | Christos Stavrakakis | backends = [backend] if backend else\ |
526 | b2d0830b | Christos Stavrakakis | Backend.objects.filter(offline=False)
|
527 | 7cfbbf32 | Christos Stavrakakis | for backend in backends: |
528 | 68b952f9 | Christos Stavrakakis | backend_exists =\ |
529 | 68b952f9 | Christos Stavrakakis | BackendNetwork.objects.filter(backend=backend, network=self)\
|
530 | 68b952f9 | Christos Stavrakakis | .exists() |
531 | 68b952f9 | Christos Stavrakakis | if not backend_exists: |
532 | ce9abd26 | Christos Stavrakakis | BackendNetwork.objects.create(backend=backend, network=self)
|
533 | fd65ab41 | Christos Stavrakakis | |
534 | 92d2d1ce | Christos Stavrakakis | def get_pool(self, locked=True): |
535 | b4695420 | Christos Stavrakakis | try:
|
536 | b4695420 | Christos Stavrakakis | subnet = self.subnets.get(ipversion=4, deleted=False) |
537 | b4695420 | Christos Stavrakakis | except Subnet.DoesNotExist:
|
538 | b4695420 | Christos Stavrakakis | raise pools.EmptyPool
|
539 | 92d2d1ce | Christos Stavrakakis | return subnet.get_pool(locked=locked)
|
540 | 92d2d1ce | Christos Stavrakakis | |
541 | 92d2d1ce | Christos Stavrakakis | def allocate_address(self, userid): |
542 | b4695420 | Christos Stavrakakis | try:
|
543 | 92d2d1ce | Christos Stavrakakis | subnet = self.subnets.get(ipversion=4, deleted=False) |
544 | 92d2d1ce | Christos Stavrakakis | except Subnet.DoesNotExist:
|
545 | 92d2d1ce | Christos Stavrakakis | raise pools.EmptyPool
|
546 | 92d2d1ce | Christos Stavrakakis | return subnet.allocate_address(userid)
|
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 | 864bed43 | Christos Stavrakakis | |
582 | 4e3a6674 | Christos Stavrakakis | class Subnet(models.Model): |
583 | 4e3a6674 | Christos Stavrakakis | SUBNET_NAME_LENGTH = 128
|
584 | 4e3a6674 | Christos Stavrakakis | |
585 | 4e3a6674 | Christos Stavrakakis | network = models.ForeignKey('Network', null=False, db_index=True, |
586 | 4e3a6674 | Christos Stavrakakis | related_name="subnets")
|
587 | 4e3a6674 | Christos Stavrakakis | name = models.CharField('Subnet Name', max_length=SUBNET_NAME_LENGTH,
|
588 | 4e3a6674 | Christos Stavrakakis | null=True)
|
589 | 4e3a6674 | Christos Stavrakakis | ipversion = models.IntegerField('IP Version', default=4, null=False) |
590 | 74d936dc | Christos Stavrakakis | cidr = models.CharField('Subnet', max_length=64, null=False) |
591 | 4e3a6674 | Christos Stavrakakis | gateway = models.CharField('Gateway', max_length=64, null=True) |
592 | 74d936dc | Christos Stavrakakis | dhcp = models.BooleanField('DHCP', default=True, null=False) |
593 | 74d936dc | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False, db_index=True, |
594 | 74d936dc | Christos Stavrakakis | null=False)
|
595 | 4e3a6674 | Christos Stavrakakis | host_routes = fields.SeparatedValuesField('Host Routes', null=True) |
596 | 4e3a6674 | Christos Stavrakakis | dns_nameservers = fields.SeparatedValuesField('DNS Nameservers', null=True) |
597 | 4e3a6674 | Christos Stavrakakis | |
598 | 4e3a6674 | Christos Stavrakakis | def __unicode__(self): |
599 | 4e3a6674 | Christos Stavrakakis | return "<Subnet %s, Network: %s>" % (self.id, self.network_id) |
600 | 4e3a6674 | Christos Stavrakakis | |
601 | 92d2d1ce | Christos Stavrakakis | def get_pool(self, locked=True): |
602 | 92d2d1ce | Christos Stavrakakis | if self.ipversion == 6: |
603 | 92d2d1ce | Christos Stavrakakis | raise Exception("IPv6 Subnets have no IP Pool.") |
604 | 92d2d1ce | Christos Stavrakakis | ip_pools = self.ip_pools
|
605 | 92d2d1ce | Christos Stavrakakis | if locked:
|
606 | 92d2d1ce | Christos Stavrakakis | ip_pools = ip_pools.select_for_update() |
607 | 92d2d1ce | Christos Stavrakakis | return ip_pools.all()[0].pool |
608 | 92d2d1ce | Christos Stavrakakis | |
609 | 92d2d1ce | Christos Stavrakakis | def allocate_address(self, userid): |
610 | 92d2d1ce | Christos Stavrakakis | pool = self.get_pool(locked=True) |
611 | 92d2d1ce | Christos Stavrakakis | address = pool.get() |
612 | 92d2d1ce | Christos Stavrakakis | pool.save() |
613 | 92d2d1ce | Christos Stavrakakis | return IPAddress.objects.create(network=self.network, subnet=self, |
614 | 92d2d1ce | Christos Stavrakakis | address=address, userid=userid) |
615 | 92d2d1ce | Christos Stavrakakis | |
616 | 4e3a6674 | Christos Stavrakakis | |
617 | fd65ab41 | Christos Stavrakakis | class BackendNetwork(models.Model): |
618 | fd65ab41 | Christos Stavrakakis | OPER_STATES = ( |
619 | fd65ab41 | Christos Stavrakakis | ('PENDING', 'Pending'), |
620 | fd65ab41 | Christos Stavrakakis | ('ACTIVE', 'Active'), |
621 | fd65ab41 | Christos Stavrakakis | ('DELETED', 'Deleted'), |
622 | fd65ab41 | Christos Stavrakakis | ('ERROR', 'Error') |
623 | fd65ab41 | Christos Stavrakakis | ) |
624 | fd65ab41 | Christos Stavrakakis | |
625 | fd65ab41 | Christos Stavrakakis | # The list of possible operations on the backend
|
626 | fd65ab41 | Christos Stavrakakis | BACKEND_OPCODES = ( |
627 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_ADD', 'Create Network'), |
628 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_CONNECT', 'Activate Network'), |
629 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_DISCONNECT', 'Deactivate Network'), |
630 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_REMOVE', 'Remove Network'), |
631 | fd65ab41 | Christos Stavrakakis | # These are listed here for completeness,
|
632 | fd65ab41 | Christos Stavrakakis | # and are ignored for the time being
|
633 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_SET_PARAMS', 'Set Network Parameters'), |
634 | fd65ab41 | Christos Stavrakakis | ('OP_NETWORK_QUERY_DATA', 'Query Network Data') |
635 | fd65ab41 | Christos Stavrakakis | ) |
636 | fd65ab41 | Christos Stavrakakis | |
637 | fd65ab41 | Christos Stavrakakis | # The operating state of a Netowork,
|
638 | fd65ab41 | Christos Stavrakakis | # upon the successful completion of a backend operation.
|
639 | fd65ab41 | Christos Stavrakakis | # IMPORTANT: Make sure all keys have a corresponding
|
640 | fd65ab41 | Christos Stavrakakis | # entry in BACKEND_OPCODES if you update this field, see #1035, #1111.
|
641 | fd65ab41 | Christos Stavrakakis | OPER_STATE_FROM_OPCODE = { |
642 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_ADD': 'PENDING', |
643 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_CONNECT': 'ACTIVE', |
644 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_DISCONNECT': 'PENDING', |
645 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_REMOVE': 'DELETED', |
646 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_SET_PARAMS': None, |
647 | fd65ab41 | Christos Stavrakakis | 'OP_NETWORK_QUERY_DATA': None |
648 | fd65ab41 | Christos Stavrakakis | } |
649 | fd65ab41 | Christos Stavrakakis | |
650 | 3bb0b117 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='backend_networks',
|
651 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
652 | 26515bc1 | Christos Stavrakakis | backend = models.ForeignKey(Backend, related_name='networks',
|
653 | 26515bc1 | Christos Stavrakakis | on_delete=models.PROTECT) |
654 | fd65ab41 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
655 | fd65ab41 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
656 | fd65ab41 | Christos Stavrakakis | deleted = models.BooleanField('Deleted', default=False) |
657 | 3165f027 | Christos Stavrakakis | mac_prefix = models.CharField('MAC Prefix', max_length=32, null=False) |
658 | fd65ab41 | Christos Stavrakakis | operstate = models.CharField(choices=OPER_STATES, max_length=30,
|
659 | fd65ab41 | Christos Stavrakakis | default='PENDING')
|
660 | fd65ab41 | Christos Stavrakakis | backendjobid = models.PositiveIntegerField(null=True)
|
661 | fd65ab41 | Christos Stavrakakis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
662 | fd65ab41 | Christos Stavrakakis | null=True)
|
663 | fd65ab41 | Christos Stavrakakis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, |
664 | fd65ab41 | Christos Stavrakakis | max_length=30, null=True) |
665 | fd65ab41 | Christos Stavrakakis | backendlogmsg = models.TextField(null=True)
|
666 | fd65ab41 | Christos Stavrakakis | backendtime = models.DateTimeField(null=False,
|
667 | fd65ab41 | Christos Stavrakakis | default=datetime.datetime.min) |
668 | fd65ab41 | Christos Stavrakakis | |
669 | 7cfbbf32 | Christos Stavrakakis | class Meta: |
670 | 7cfbbf32 | Christos Stavrakakis | # Ensure one entry for each network in each backend
|
671 | 7cfbbf32 | Christos Stavrakakis | unique_together = (("network", "backend")) |
672 | 7cfbbf32 | Christos Stavrakakis | |
673 | 3165f027 | Christos Stavrakakis | def __init__(self, *args, **kwargs): |
674 | 3165f027 | Christos Stavrakakis | """Initialize state for just created BackendNetwork instances."""
|
675 | 3165f027 | Christos Stavrakakis | super(BackendNetwork, self).__init__(*args, **kwargs) |
676 | 3165f027 | Christos Stavrakakis | if not self.mac_prefix: |
677 | 3165f027 | Christos Stavrakakis | # Generate the MAC prefix of the BackendNetwork, by combining
|
678 | 3165f027 | Christos Stavrakakis | # the Network prefix with the index of the Backend
|
679 | 3165f027 | Christos Stavrakakis | net_prefix = self.network.mac_prefix
|
680 | 3165f027 | Christos Stavrakakis | backend_suffix = hex(self.backend.index).replace('0x', '') |
681 | 3165f027 | Christos Stavrakakis | mac_prefix = net_prefix + backend_suffix |
682 | 3165f027 | Christos Stavrakakis | try:
|
683 | 3165f027 | Christos Stavrakakis | utils.validate_mac(mac_prefix + ":00:00:00")
|
684 | 3165f027 | Christos Stavrakakis | except utils.InvalidMacAddress:
|
685 | 68b952f9 | Christos Stavrakakis | raise utils.InvalidMacAddress("Invalid MAC prefix '%s'" % |
686 | 68b952f9 | Christos Stavrakakis | mac_prefix) |
687 | 3165f027 | Christos Stavrakakis | self.mac_prefix = mac_prefix
|
688 | 3165f027 | Christos Stavrakakis | |
689 | 99af08a4 | Christos Stavrakakis | def __unicode__(self): |
690 | 99af08a4 | Christos Stavrakakis | return '<%s@%s>' % (self.network, self.backend) |
691 | 99af08a4 | Christos Stavrakakis | |
692 | f533f224 | Vangelis Koukis | |
693 | bdd0f1a6 | Christos Stavrakakis | class IPAddress(models.Model): |
694 | bdd0f1a6 | Christos Stavrakakis | subnet = models.ForeignKey("Subnet", related_name="ips", null=False, |
695 | bdd0f1a6 | Christos Stavrakakis | on_delete=models.CASCADE) |
696 | bdd0f1a6 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name="ips", null=False, |
697 | bdd0f1a6 | Christos Stavrakakis | on_delete=models.CASCADE) |
698 | bdd0f1a6 | Christos Stavrakakis | nic = models.ForeignKey("NetworkInterface", related_name="ips", null=True, |
699 | bdd0f1a6 | Christos Stavrakakis | on_delete=models.SET_NULL) |
700 | bdd0f1a6 | Christos Stavrakakis | userid = models.CharField("UUID of the owner", max_length=128, null=False, |
701 | bdd0f1a6 | Christos Stavrakakis | db_index=True)
|
702 | bdd0f1a6 | Christos Stavrakakis | address = models.CharField("IP Address", max_length=64, null=False) |
703 | bdd0f1a6 | Christos Stavrakakis | floating_ip = models.BooleanField("Floating IP", null=False, default=False) |
704 | bdd0f1a6 | Christos Stavrakakis | created = models.DateTimeField(auto_now_add=True)
|
705 | bdd0f1a6 | Christos Stavrakakis | updated = models.DateTimeField(auto_now=True)
|
706 | bdd0f1a6 | Christos Stavrakakis | deleted = models.BooleanField(default=False, null=False) |
707 | bdd0f1a6 | Christos Stavrakakis | |
708 | bdd0f1a6 | Christos Stavrakakis | serial = models.ForeignKey(QuotaHolderSerial, |
709 | bdd0f1a6 | Christos Stavrakakis | related_name="ips", null=True, |
710 | bdd0f1a6 | Christos Stavrakakis | on_delete=models.SET_NULL) |
711 | bdd0f1a6 | Christos Stavrakakis | |
712 | bdd0f1a6 | Christos Stavrakakis | def __unicode__(self): |
713 | bdd0f1a6 | Christos Stavrakakis | ip_type = "floating" if self.floating_ip else "static" |
714 | bdd0f1a6 | Christos Stavrakakis | return u"<IPAddress: %s, Network: %s, Subnet: %s, Type: %s>"\ |
715 | bdd0f1a6 | Christos Stavrakakis | % (self.address, self.network_id, self.subnet_id, ip_type) |
716 | bdd0f1a6 | Christos Stavrakakis | |
717 | bdd0f1a6 | Christos Stavrakakis | def in_use(self): |
718 | bdd0f1a6 | Christos Stavrakakis | if self.machine is None: |
719 | bdd0f1a6 | Christos Stavrakakis | return False |
720 | bdd0f1a6 | Christos Stavrakakis | else:
|
721 | bdd0f1a6 | Christos Stavrakakis | return (not self.machine.deleted) |
722 | bdd0f1a6 | Christos Stavrakakis | |
723 | bdd0f1a6 | Christos Stavrakakis | class Meta: |
724 | bdd0f1a6 | Christos Stavrakakis | unique_together = ("network", "address") |
725 | bdd0f1a6 | Christos Stavrakakis | |
726 | bdd0f1a6 | Christos Stavrakakis | |
727 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
728 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
729 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
730 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
731 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
732 | f533f224 | Vangelis Koukis | ) |
733 | ce55f211 | Kostas Papadimitriou | |
734 | 939d71dd | Christos Stavrakakis | STATES = ( |
735 | 939d71dd | Christos Stavrakakis | ("ACTIVE", "Active"), |
736 | 939d71dd | Christos Stavrakakis | ("BUILDING", "Building"), |
737 | 9dcfad23 | Christos Stavrakakis | ("ERROR", "Error"), |
738 | 939d71dd | Christos Stavrakakis | ) |
739 | 939d71dd | Christos Stavrakakis | |
740 | cddc2b2f | Dionysis Grigoropoulos | NETWORK_IFACE_NAME_LENGTH = 128
|
741 | cddc2b2f | Dionysis Grigoropoulos | |
742 | bdd0f1a6 | Christos Stavrakakis | name = models.CharField('NIC name', max_length=128, null=True) |
743 | cddc2b2f | Dionysis Grigoropoulos | userid = models.CharField("UUID of the owner",
|
744 | cddc2b2f | Dionysis Grigoropoulos | max_length=NETWORK_IFACE_NAME_LENGTH, |
745 | bdd0f1a6 | Christos Stavrakakis | null=True, db_index=True) |
746 | 3bb0b117 | Christos Stavrakakis | machine = models.ForeignKey(VirtualMachine, related_name='nics',
|
747 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
748 | 3bb0b117 | Christos Stavrakakis | network = models.ForeignKey(Network, related_name='nics',
|
749 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
750 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
751 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
752 | 051e47f8 | Christos Stavrakakis | index = models.IntegerField(null=True)
|
753 | 939d71dd | Christos Stavrakakis | mac = models.CharField(max_length=32, null=True, unique=True) |
754 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
755 | 244c552b | Giorgos Verigakis | max_length=30, null=True) |
756 | bdd0f1a6 | Christos Stavrakakis | security_groups = models.ManyToManyField("SecurityGroup", null=True) |
757 | ef54eee4 | Christos Stavrakakis | state = models.CharField(max_length=32, null=False, default="ACTIVE", |
758 | 939d71dd | Christos Stavrakakis | choices=STATES) |
759 | bdd0f1a6 | Christos Stavrakakis | device_owner = models.CharField('Device owner', max_length=128, null=True) |
760 | bdd0f1a6 | Christos Stavrakakis | |
761 | bdd0f1a6 | Christos Stavrakakis | def __unicode__(self): |
762 | bdd0f1a6 | Christos Stavrakakis | return "<%s:vm:%s network:%s>" % (self.id, self.machine_id, |
763 | bdd0f1a6 | Christos Stavrakakis | self.network_id)
|
764 | ce55f211 | Kostas Papadimitriou | |
765 | 7c714455 | Christos Stavrakakis | @property
|
766 | 7c714455 | Christos Stavrakakis | def backend_uuid(self): |
767 | 7c714455 | Christos Stavrakakis | """Return the backend id by prepending backend-prefix."""
|
768 | 7c714455 | Christos Stavrakakis | return "%snic-%s" % (settings.BACKEND_PREFIX_ID, str(self.id)) |
769 | 7c714455 | Christos Stavrakakis | |
770 | 92d2d1ce | Christos Stavrakakis | @property
|
771 | 92d2d1ce | Christos Stavrakakis | def ipv4_address(self): |
772 | 92d2d1ce | Christos Stavrakakis | try:
|
773 | 92d2d1ce | Christos Stavrakakis | return self.ips.get(subnet__ipversion=4).address |
774 | 92d2d1ce | Christos Stavrakakis | except IPAddress.DoesNotExist:
|
775 | 92d2d1ce | Christos Stavrakakis | return None |
776 | 92d2d1ce | Christos Stavrakakis | |
777 | df8a7015 | Christos Stavrakakis | |
778 | bdd0f1a6 | Christos Stavrakakis | class SecurityGroup(models.Model): |
779 | cddc2b2f | Dionysis Grigoropoulos | SECURITY_GROUP_NAME_LENGTH = 128
|
780 | cddc2b2f | Dionysis Grigoropoulos | name = models.CharField('group name',
|
781 | cddc2b2f | Dionysis Grigoropoulos | max_length=SECURITY_GROUP_NAME_LENGTH) |
782 | cb7b1c23 | Christos Stavrakakis | |
783 | f533f224 | Vangelis Koukis | |
784 | 03992c72 | Christos Stavrakakis | class PoolTable(models.Model): |
785 | 03992c72 | Christos Stavrakakis | available_map = models.TextField(default="", null=False) |
786 | 03992c72 | Christos Stavrakakis | reserved_map = models.TextField(default="", null=False) |
787 | 03992c72 | Christos Stavrakakis | size = models.IntegerField(null=False)
|
788 | e1334eb6 | Christos Stavrakakis | |
789 | 03992c72 | Christos Stavrakakis | # Optional Fields
|
790 | 03992c72 | Christos Stavrakakis | base = models.CharField(null=True, max_length=32) |
791 | 03992c72 | Christos Stavrakakis | offset = models.IntegerField(null=True)
|
792 | ce55f211 | Kostas Papadimitriou | |
793 | e6a42a96 | Christos Stavrakakis | class Meta: |
794 | e6a42a96 | Christos Stavrakakis | abstract = True
|
795 | e6a42a96 | Christos Stavrakakis | |
796 | e6a42a96 | Christos Stavrakakis | @classmethod
|
797 | 03992c72 | Christos Stavrakakis | def get_pool(cls): |
798 | e6a42a96 | Christos Stavrakakis | try:
|
799 | 21c9042c | Christos Stavrakakis | pool_row = cls.objects.select_for_update().get() |
800 | 03992c72 | Christos Stavrakakis | return pool_row.pool
|
801 | 3bdfc1be | Christos Stavrakakis | except cls.DoesNotExist:
|
802 | 03992c72 | Christos Stavrakakis | raise pools.EmptyPool
|
803 | e6a42a96 | Christos Stavrakakis | |
804 | 03992c72 | Christos Stavrakakis | @property
|
805 | 03992c72 | Christos Stavrakakis | def pool(self): |
806 | 03992c72 | Christos Stavrakakis | return self.manager(self) |
807 | e6a42a96 | Christos Stavrakakis | |
808 | e6a42a96 | Christos Stavrakakis | |
809 | 03992c72 | Christos Stavrakakis | class BridgePoolTable(PoolTable): |
810 | 03992c72 | Christos Stavrakakis | manager = pools.BridgePool |
811 | e6a42a96 | Christos Stavrakakis | |
812 | 0ccb6461 | Christos Stavrakakis | def __unicode__(self): |
813 | d793786b | Christos Stavrakakis | return u"<BridgePool id:%s>" % self.id |
814 | 0ccb6461 | Christos Stavrakakis | |
815 | fdc94944 | Christos Stavrakakis | |
816 | 03992c72 | Christos Stavrakakis | class MacPrefixPoolTable(PoolTable): |
817 | 03992c72 | Christos Stavrakakis | manager = pools.MacPrefixPool |
818 | fdc94944 | Christos Stavrakakis | |
819 | 0ccb6461 | Christos Stavrakakis | def __unicode__(self): |
820 | d793786b | Christos Stavrakakis | return u"<MACPrefixPool id:%s>" % self.id |
821 | 0ccb6461 | Christos Stavrakakis | |
822 | fdc94944 | Christos Stavrakakis | |
823 | fdc94944 | Christos Stavrakakis | class IPPoolTable(PoolTable): |
824 | fdc94944 | Christos Stavrakakis | manager = pools.IPPool |
825 | 3524241a | Christos Stavrakakis | |
826 | 4e3a6674 | Christos Stavrakakis | subnet = models.ForeignKey('Subnet', related_name="ip_pools", |
827 | 4e3a6674 | Christos Stavrakakis | db_index=True, null=True) |
828 | d793786b | Christos Stavrakakis | |
829 | 4e3a6674 | Christos Stavrakakis | def __unicode__(self): |
830 | 4e3a6674 | Christos Stavrakakis | return u"<IPv4AdressPool, Subnet: %s>" % self.subnet_id |
831 | 3524241a | Christos Stavrakakis | |
832 | 7b72b50d | Christos Stavrakakis | |
833 | 3524241a | Christos Stavrakakis | @contextmanager
|
834 | 3524241a | Christos Stavrakakis | def pooled_rapi_client(obj): |
835 | 198d91c3 | Christos Stavrakakis | if isinstance(obj, (VirtualMachine, BackendNetwork)): |
836 | 3524241a | Christos Stavrakakis | backend = obj.backend |
837 | 3524241a | Christos Stavrakakis | else:
|
838 | 3524241a | Christos Stavrakakis | backend = obj |
839 | 3524241a | Christos Stavrakakis | |
840 | 3524241a | Christos Stavrakakis | if backend.offline:
|
841 | 99af08a4 | Christos Stavrakakis | log.warning("Trying to connect with offline backend: %s", backend)
|
842 | 0129231a | Christos Stavrakakis | raise faults.ServiceUnavailable("Can not connect to offline" |
843 | 0129231a | Christos Stavrakakis | " backend: %s" % backend)
|
844 | 3524241a | Christos Stavrakakis | |
845 | 3524241a | Christos Stavrakakis | b = backend |
846 | 3524241a | Christos Stavrakakis | client = get_rapi_client(b.id, b.hash, b.clustername, b.port, |
847 | 3524241a | Christos Stavrakakis | b.username, b.password) |
848 | 4216cd83 | Christos Stavrakakis | try:
|
849 | 4216cd83 | Christos Stavrakakis | yield client
|
850 | 4216cd83 | Christos Stavrakakis | finally:
|
851 | 4216cd83 | Christos Stavrakakis | put_rapi_client(client) |
852 | 6ce1fc56 | Kostas Papadimitriou | |
853 | 6ce1fc56 | Kostas Papadimitriou | |
854 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnosticManager(models.Manager): |
855 | 6ce1fc56 | Kostas Papadimitriou | """
|
856 | 6ce1fc56 | Kostas Papadimitriou | Custom manager for :class:`VirtualMachineDiagnostic` model.
|
857 | 6ce1fc56 | Kostas Papadimitriou | """
|
858 | 6ce1fc56 | Kostas Papadimitriou | |
859 | 6ce1fc56 | Kostas Papadimitriou | # diagnostic creation helpers
|
860 | 6ce1fc56 | Kostas Papadimitriou | def create_for_vm(self, vm, level, message, **kwargs): |
861 | 6ce1fc56 | Kostas Papadimitriou | attrs = {'machine': vm, 'level': level, 'message': message} |
862 | 6ce1fc56 | Kostas Papadimitriou | attrs.update(kwargs) |
863 | 6ce1fc56 | Kostas Papadimitriou | # update instance updated time
|
864 | 6ce1fc56 | Kostas Papadimitriou | self.create(**attrs)
|
865 | 6ce1fc56 | Kostas Papadimitriou | vm.save() |
866 | 6ce1fc56 | Kostas Papadimitriou | |
867 | 6ce1fc56 | Kostas Papadimitriou | def create_error(self, vm, **kwargs): |
868 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'ERROR', **kwargs) |
869 | 6ce1fc56 | Kostas Papadimitriou | |
870 | 6ce1fc56 | Kostas Papadimitriou | def create_debug(self, vm, **kwargs): |
871 | 6ce1fc56 | Kostas Papadimitriou | self.create_for_vm(vm, 'DEBUG', **kwargs) |
872 | 6ce1fc56 | Kostas Papadimitriou | |
873 | 6ce1fc56 | Kostas Papadimitriou | def since(self, vm, created_since, **kwargs): |
874 | 6ce1fc56 | Kostas Papadimitriou | return self.get_query_set().filter(vm=vm, created__gt=created_since, |
875 | 68b952f9 | Christos Stavrakakis | **kwargs) |
876 | 6ce1fc56 | Kostas Papadimitriou | |
877 | 6ce1fc56 | Kostas Papadimitriou | |
878 | 6ce1fc56 | Kostas Papadimitriou | class VirtualMachineDiagnostic(models.Model): |
879 | 6ce1fc56 | Kostas Papadimitriou | """
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880 | 6ce1fc56 | Kostas Papadimitriou | Model to store backend information messages that relate to the state of
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881 | 6ce1fc56 | Kostas Papadimitriou | the virtual machine.
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882 | 6ce1fc56 | Kostas Papadimitriou | """
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883 | 6ce1fc56 | Kostas Papadimitriou | |
884 | 6ce1fc56 | Kostas Papadimitriou | TYPES = ( |
885 | 6ce1fc56 | Kostas Papadimitriou | ('ERROR', 'Error'), |
886 | 6ce1fc56 | Kostas Papadimitriou | ('WARNING', 'Warning'), |
887 | 6ce1fc56 | Kostas Papadimitriou | ('INFO', 'Info'), |
888 | 6ce1fc56 | Kostas Papadimitriou | ('DEBUG', 'Debug'), |
889 | 6ce1fc56 | Kostas Papadimitriou | ) |
890 | 6ce1fc56 | Kostas Papadimitriou | |
891 | 6ce1fc56 | Kostas Papadimitriou | objects = VirtualMachineDiagnosticManager() |
892 | 6ce1fc56 | Kostas Papadimitriou | |
893 | 6ce1fc56 | Kostas Papadimitriou | created = models.DateTimeField(auto_now_add=True)
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894 | 3bb0b117 | Christos Stavrakakis | machine = models.ForeignKey('VirtualMachine', related_name="diagnostics", |
895 | 3bb0b117 | Christos Stavrakakis | on_delete=models.CASCADE) |
896 | 6ce1fc56 | Kostas Papadimitriou | level = models.CharField(max_length=20, choices=TYPES)
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897 | 6ce1fc56 | Kostas Papadimitriou | source = models.CharField(max_length=100)
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898 | 6ce1fc56 | Kostas Papadimitriou | source_date = models.DateTimeField(null=True)
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899 | 6ce1fc56 | Kostas Papadimitriou | message = models.CharField(max_length=255)
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900 | 6ce1fc56 | Kostas Papadimitriou | details = models.TextField(null=True)
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901 | 6ce1fc56 | Kostas Papadimitriou | |
902 | 6ce1fc56 | Kostas Papadimitriou | class Meta: |
903 | 6ce1fc56 | Kostas Papadimitriou | ordering = ['-created'] |