root / db / models.py @ d41d6a00
History | View | Annotate | Download (17.5 kB)
1 | 46547e14 | Faidon Liambotis | # vim: ts=4 sts=4 et ai sw=4 fileencoding=utf-8
|
---|---|---|---|
2 | 48130e66 | Georgios Gousios | # Copyright 2011 GRNET S.A. All rights reserved.
|
3 | 48130e66 | Georgios Gousios | #
|
4 | 48130e66 | Georgios Gousios | # Redistribution and use in source and binary forms, with or without
|
5 | 48130e66 | Georgios Gousios | # modification, are permitted provided that the following conditions
|
6 | 48130e66 | Georgios Gousios | # are met:
|
7 | 48130e66 | Georgios Gousios | #
|
8 | 48130e66 | Georgios Gousios | # 1. Redistributions of source code must retain the above copyright
|
9 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer.
|
10 | 48130e66 | Georgios Gousios | #
|
11 | 48130e66 | Georgios Gousios | # 2. Redistributions in binary form must reproduce the above copyright
|
12 | 48130e66 | Georgios Gousios | # notice, this list of conditions and the following disclaimer in the
|
13 | 48130e66 | Georgios Gousios | # documentation and/or other materials provided with the distribution.
|
14 | 48130e66 | Georgios Gousios | #
|
15 | 48130e66 | Georgios Gousios | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
16 | 48130e66 | Georgios Gousios | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
17 | 48130e66 | Georgios Gousios | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
18 | 48130e66 | Georgios Gousios | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
19 | 48130e66 | Georgios Gousios | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
20 | 48130e66 | Georgios Gousios | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
21 | 48130e66 | Georgios Gousios | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
22 | 48130e66 | Georgios Gousios | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
23 | 48130e66 | Georgios Gousios | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
24 | 48130e66 | Georgios Gousios | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
25 | 48130e66 | Georgios Gousios | # SUCH DAMAGE.
|
26 | 48130e66 | Georgios Gousios | #
|
27 | 48130e66 | Georgios Gousios | # The views and conclusions contained in the software and documentation are
|
28 | 48130e66 | Georgios Gousios | # those of the authors and should not be interpreted as representing official
|
29 | 48130e66 | Georgios Gousios | # policies, either expressed or implied, of GRNET S.A.
|
30 | 48130e66 | Georgios Gousios | |
31 | 46547e14 | Faidon Liambotis | |
32 | 9dbe70f8 | Markos Gogoulos | from django.conf import settings |
33 | 17935f41 | Vassilios Karakoidas | from django.db import models |
34 | 7b7f9205 | Vassilios Karakoidas | |
35 | 38684389 | Markos Gogoulos | import datetime |
36 | f5ad2956 | Markos Gogoulos | |
37 | d08a5f6f | Vangelis Koukis | class SynnefoUser(models.Model): |
38 | 420f2c20 | Georgios Gousios | |
39 | 76cc889c | Georgios Gousios | #TODO: Amend this when we have groups
|
40 | 420f2c20 | Georgios Gousios | ACCOUNT_TYPE = ( |
41 | 420f2c20 | Georgios Gousios | ('STUDENT', 'Student'), |
42 | 84ae2c4c | Georgios Gousios | ('PROFESSOR', 'Professor'), |
43 | 5ac53b64 | Georgios Gousios | ('USER', 'Generic User'), |
44 | 5ac53b64 | Georgios Gousios | ('HELPDESK', 'Helpdesk User') |
45 | 420f2c20 | Georgios Gousios | ) |
46 | 420f2c20 | Georgios Gousios | |
47 | cfe9f88c | Georgios Gousios | name = models.CharField('Synnefo Username', max_length=255, default='') |
48 | cfe9f88c | Georgios Gousios | realname = models.CharField('Real Name', max_length=255, default='') |
49 | cfe9f88c | Georgios Gousios | uniq = models.CharField('External Unique ID', max_length=255,null=True) |
50 | bf48028e | Vassilios Karakoidas | credit = models.IntegerField('Credit Balance')
|
51 | 1896d262 | Georgios Gousios | auth_token = models.CharField('Authentication Token', max_length=32, null=True) |
52 | c9fdfa27 | Georgios Gousios | auth_token_created = models.DateTimeField('Time of auth token creation', auto_now_add=True, null = True) |
53 | c9fdfa27 | Georgios Gousios | auth_token_expires = models.DateTimeField('Time of auth token expiration', auto_now_add=True, null = True) |
54 | badc49b3 | Georgios Gousios | tmp_auth_token = models.CharField('Temporary authentication token', max_length=32, null=True) |
55 | badc49b3 | Georgios Gousios | tmp_auth_token_expires = models.DateTimeField('Time of temporary auth token expiration', auto_now_add=True, null = True) |
56 | 420f2c20 | Georgios Gousios | type = models.CharField('Current Image State', choices=ACCOUNT_TYPE, max_length=30) |
57 | 52194743 | Vangelis Koukis | created = models.DateTimeField('Time of creation', auto_now_add=True) |
58 | 52194743 | Vangelis Koukis | updated = models.DateTimeField('Time of last update', auto_now=True) |
59 | 33e00f02 | Georgios Gousios | max_invitations = models.IntegerField('Max number of invitations',
|
60 | 33e00f02 | Georgios Gousios | null=True)
|
61 | 92c53da1 | Vassilios Karakoidas | |
62 | be7b8d37 | Vassilios Karakoidas | class Meta: |
63 | d08a5f6f | Vangelis Koukis | verbose_name = u'Synnefo User'
|
64 | 420f2c20 | Georgios Gousios | |
65 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
66 | ef39e7ee | Georgios Gousios | return self.name |
67 | 07f3219d | Vassilios Karakoidas | |
68 | 1583f11a | Vassilios Karakoidas | def get_limit(self, limit_name): |
69 | 1583f11a | Vassilios Karakoidas | """Returns the limit value for the specified limit"""
|
70 | 6bffabbd | Vassilios Karakoidas | limit_objs = Limit.objects.filter(name=limit_name, user=self)
|
71 | 1583f11a | Vassilios Karakoidas | if len(limit_objs) == 1: |
72 | 1583f11a | Vassilios Karakoidas | return limit_objs[0].value |
73 | 1583f11a | Vassilios Karakoidas | |
74 | 1583f11a | Vassilios Karakoidas | return 0 |
75 | bf48028e | Vassilios Karakoidas | |
76 | bf48028e | Vassilios Karakoidas | def _get_credit_quota(self): |
77 | bf48028e | Vassilios Karakoidas | """Internal getter function for credit quota"""
|
78 | bf48028e | Vassilios Karakoidas | return self.get_limit('QUOTA_CREDIT') |
79 | bf48028e | Vassilios Karakoidas | |
80 | bf48028e | Vassilios Karakoidas | credit_quota = property(_get_credit_quota)
|
81 | bf48028e | Vassilios Karakoidas | |
82 | bf48028e | Vassilios Karakoidas | def _get_monthly_rate(self): |
83 | bf48028e | Vassilios Karakoidas | """Internal getter function for monthly credit issue rate"""
|
84 | bf48028e | Vassilios Karakoidas | return self.get_limit('MONTHLY_RATE') |
85 | bf48028e | Vassilios Karakoidas | |
86 | bf48028e | Vassilios Karakoidas | monthly_rate = property(_get_monthly_rate)
|
87 | bf48028e | Vassilios Karakoidas | |
88 | d174b105 | Vassilios Karakoidas | def _get_min_credits(self): |
89 | bf48028e | Vassilios Karakoidas | """Internal getter function for maximum number of violations"""
|
90 | d174b105 | Vassilios Karakoidas | return self.get_limit('MIN_CREDITS') |
91 | bf48028e | Vassilios Karakoidas | |
92 | d174b105 | Vassilios Karakoidas | min_credits = property(_get_min_credits)
|
93 | b1699441 | Vassilios Karakoidas | |
94 | 0b5a51f7 | Vassilios Karakoidas | |
95 | 6496c622 | Vassilios Karakoidas | class Image(models.Model): |
96 | 6496c622 | Vassilios Karakoidas | # This is WIP, FIXME
|
97 | 6496c622 | Vassilios Karakoidas | IMAGE_STATES = ( |
98 | b4808d2b | Vassilios Karakoidas | ('ACTIVE', 'Active'), |
99 | b4808d2b | Vassilios Karakoidas | ('SAVING', 'Saving'), |
100 | b4808d2b | Vassilios Karakoidas | ('DELETED', 'Deleted') |
101 | 6496c622 | Vassilios Karakoidas | ) |
102 | 6496c622 | Vassilios Karakoidas | |
103 | b7d29d41 | Constantinos Venetsanopoulos | # The list of supported Image formats
|
104 | b7d29d41 | Constantinos Venetsanopoulos | FORMATS = ( |
105 | 27ccb60f | Constantinos Venetsanopoulos | ('dump', 'ext3 dump'), |
106 | 27ccb60f | Constantinos Venetsanopoulos | ('lvm', 'lvm snapshot'), |
107 | 27ccb60f | Constantinos Venetsanopoulos | ('ntfsclone', 'Windows Image produced by ntfsclone') |
108 | b7d29d41 | Constantinos Venetsanopoulos | ) |
109 | b7d29d41 | Constantinos Venetsanopoulos | |
110 | 13b3c5ff | Vassilios Karakoidas | name = models.CharField('Image name', max_length=255) |
111 | a191bd4d | Giorgos Verigakis | state = models.CharField('Current Image State', choices=IMAGE_STATES,
|
112 | a191bd4d | Giorgos Verigakis | max_length=30)
|
113 | a0d4498a | Vangelis Koukis | owner = models.ForeignKey(SynnefoUser, blank=True, null=True) |
114 | 52194743 | Vangelis Koukis | created = models.DateTimeField('Time of creation', auto_now_add=True) |
115 | 52194743 | Vangelis Koukis | updated = models.DateTimeField('Time of last update', auto_now=True) |
116 | b4808d2b | Vassilios Karakoidas | sourcevm = models.ForeignKey("VirtualMachine", null=True) |
117 | b7d29d41 | Constantinos Venetsanopoulos | backend_id = models.CharField(max_length=50, default='debian_base') |
118 | b7d29d41 | Constantinos Venetsanopoulos | format = models.CharField(choices=FORMATS, max_length=30, default='dump') |
119 | 75768d0e | Giorgos Verigakis | public = models.BooleanField(default=False)
|
120 | 6496c622 | Vassilios Karakoidas | |
121 | 6496c622 | Vassilios Karakoidas | class Meta: |
122 | 6496c622 | Vassilios Karakoidas | verbose_name = u'Image'
|
123 | 6496c622 | Vassilios Karakoidas | |
124 | 6496c622 | Vassilios Karakoidas | def __unicode__(self): |
125 | 452d2391 | Vassilios Karakoidas | return u'%s' % ( self.name, ) |
126 | 6496c622 | Vassilios Karakoidas | |
127 | 53827f6d | Markos Gogoulos | |
128 | 53827f6d | Markos Gogoulos | class ImageMetadata(models.Model): |
129 | 13b3c5ff | Vassilios Karakoidas | meta_key = models.CharField('Image metadata key name', max_length=50) |
130 | 13b3c5ff | Vassilios Karakoidas | meta_value = models.CharField('Image metadata value', max_length=500) |
131 | 53827f6d | Markos Gogoulos | image = models.ForeignKey(Image) |
132 | 53827f6d | Markos Gogoulos | |
133 | 53827f6d | Markos Gogoulos | class Meta: |
134 | a0d4498a | Vangelis Koukis | verbose_name = u'Key-value pair of Image metadata.'
|
135 | 53827f6d | Markos Gogoulos | |
136 | 53827f6d | Markos Gogoulos | def __unicode__(self): |
137 | 53827f6d | Markos Gogoulos | return u'%s, %s for %s' % (self.meta_key, self.meta_value, self.image.name) |
138 | 53827f6d | Markos Gogoulos | |
139 | 53827f6d | Markos Gogoulos | |
140 | f51e7b50 | Vassilios Karakoidas | class Limit(models.Model): |
141 | 2d45374d | Vassilios Karakoidas | LIMITS = ( |
142 | d174b105 | Vassilios Karakoidas | ('QUOTA_CREDIT', 'Maximum amount of credits per user'), |
143 | d174b105 | Vassilios Karakoidas | ('MIN_CREDITS', 'Minimum amount of credits per user'), |
144 | bf48028e | Vassilios Karakoidas | ('MONTHLY_RATE', 'Monthly credit issue rate') |
145 | 2d45374d | Vassilios Karakoidas | ) |
146 | d08a5f6f | Vangelis Koukis | user = models.ForeignKey(SynnefoUser) |
147 | 13b3c5ff | Vassilios Karakoidas | name = models.CharField('Limit key name', choices=LIMITS, max_length=30, null=False) |
148 | 13b3c5ff | Vassilios Karakoidas | value = models.IntegerField('Limit current value')
|
149 | be7b8d37 | Vassilios Karakoidas | |
150 | 46547e14 | Faidon Liambotis | class Meta: |
151 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Enforced limit for user'
|
152 | be7b8d37 | Vassilios Karakoidas | |
153 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
154 | 452d2391 | Vassilios Karakoidas | return u'Limit %s for user %s: %d' % (self.value, self.user, self.value) |
155 | 46547e14 | Faidon Liambotis | |
156 | e7164ebc | Vassilios Karakoidas | |
157 | e7164ebc | Vassilios Karakoidas | class Flavor(models.Model): |
158 | 13b3c5ff | Vassilios Karakoidas | cpu = models.IntegerField('Number of CPUs', default=0) |
159 | 80da6543 | Giorgos Verigakis | ram = models.IntegerField('Size of RAM', default=0) # Size in MiB |
160 | 80da6543 | Giorgos Verigakis | disk = models.IntegerField('Size of Disk space', default=0) # Size in GiB |
161 | be7b8d37 | Vassilios Karakoidas | |
162 | be7b8d37 | Vassilios Karakoidas | class Meta: |
163 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Virtual machine flavor'
|
164 | 60bf38e1 | Vangelis Koukis | unique_together = ("cpu","ram","disk") |
165 | 6c9a62b5 | Vassilios Karakoidas | |
166 | be7b8d37 | Vassilios Karakoidas | def _get_name(self): |
167 | f0f4edac | Vassilios Karakoidas | """Returns flavor name (generated)"""
|
168 | d08a5f6f | Vangelis Koukis | return u'C%dR%dD%d' % (self.cpu, self.ram, self.disk) |
169 | 452d2391 | Vassilios Karakoidas | |
170 | 452d2391 | Vassilios Karakoidas | def _current_cost(self, active): |
171 | 452d2391 | Vassilios Karakoidas | """Returns active/inactive cost value
|
172 | 452d2391 | Vassilios Karakoidas |
|
173 | 452d2391 | Vassilios Karakoidas | set active = True to get active cost and False for the inactive.
|
174 | 452d2391 | Vassilios Karakoidas |
|
175 | 452d2391 | Vassilios Karakoidas | """
|
176 | d174b105 | Vassilios Karakoidas | fch_list = FlavorCost.objects.filter(flavor=self).order_by('-effective_from') |
177 | d174b105 | Vassilios Karakoidas | if len(fch_list) > 0: |
178 | 452d2391 | Vassilios Karakoidas | if active:
|
179 | 452d2391 | Vassilios Karakoidas | return fch_list[0].cost_active |
180 | 452d2391 | Vassilios Karakoidas | else:
|
181 | 452d2391 | Vassilios Karakoidas | return fch_list[0].cost_inactive |
182 | 452d2391 | Vassilios Karakoidas | |
183 | d174b105 | Vassilios Karakoidas | return 0 |
184 | 452d2391 | Vassilios Karakoidas | |
185 | 452d2391 | Vassilios Karakoidas | def _current_cost_active(self): |
186 | 452d2391 | Vassilios Karakoidas | """Returns current active cost (property method)"""
|
187 | 452d2391 | Vassilios Karakoidas | return self._current_cost(True) |
188 | 46547e14 | Faidon Liambotis | |
189 | d174b105 | Vassilios Karakoidas | def _current_cost_inactive(self): |
190 | 452d2391 | Vassilios Karakoidas | """Returns current inactive cost (property method)"""
|
191 | 452d2391 | Vassilios Karakoidas | return self._current_cost(False) |
192 | 05a90a5b | Vassilios Karakoidas | |
193 | be7b8d37 | Vassilios Karakoidas | name = property(_get_name)
|
194 | d174b105 | Vassilios Karakoidas | current_cost_active = property(_current_cost_active)
|
195 | d174b105 | Vassilios Karakoidas | current_cost_inactive = property(_current_cost_inactive)
|
196 | 00318048 | Vassilios Karakoidas | |
197 | 46547e14 | Faidon Liambotis | def __unicode__(self): |
198 | 46547e14 | Faidon Liambotis | return self.name |
199 | 452d2391 | Vassilios Karakoidas | |
200 | 46547e14 | Faidon Liambotis | |
201 | d174b105 | Vassilios Karakoidas | class FlavorCost(models.Model): |
202 | 13b3c5ff | Vassilios Karakoidas | cost_active = models.PositiveIntegerField('Active Cost')
|
203 | 13b3c5ff | Vassilios Karakoidas | cost_inactive = models.PositiveIntegerField('Inactive Cost')
|
204 | 452d2391 | Vassilios Karakoidas | effective_from = models.DateTimeField() |
205 | 41b972e6 | Vassilios Karakoidas | flavor = models.ForeignKey(Flavor) |
206 | 41b972e6 | Vassilios Karakoidas | |
207 | 41b972e6 | Vassilios Karakoidas | class Meta: |
208 | 41b972e6 | Vassilios Karakoidas | verbose_name = u'Pricing history for flavors'
|
209 | 41b972e6 | Vassilios Karakoidas | |
210 | 41b972e6 | Vassilios Karakoidas | def __unicode__(self): |
211 | f533f224 | Vangelis Koukis | return u'Costs (up, down)=(%d, %d) for %s since %s' % \ |
212 | f533f224 | Vangelis Koukis | (int(self.cost_active), int(self.cost_inactive), |
213 | f533f224 | Vangelis Koukis | self.flavor.name, self.effective_from) |
214 | 41b972e6 | Vassilios Karakoidas | |
215 | 41b972e6 | Vassilios Karakoidas | |
216 | 07f3219d | Vassilios Karakoidas | class VirtualMachine(models.Model): |
217 | c92af313 | Vangelis Koukis | # The list of possible actions for a VM
|
218 | d08a5f6f | Vangelis Koukis | ACTIONS = ( |
219 | d08a5f6f | Vangelis Koukis | ('CREATE', 'Create VM'), |
220 | d08a5f6f | Vangelis Koukis | ('START', 'Start VM'), |
221 | d08a5f6f | Vangelis Koukis | ('STOP', 'Shutdown VM'), |
222 | d08a5f6f | Vangelis Koukis | ('SUSPEND', 'Admin Suspend VM'), |
223 | d08a5f6f | Vangelis Koukis | ('REBOOT', 'Reboot VM'), |
224 | d08a5f6f | Vangelis Koukis | ('DESTROY', 'Destroy VM') |
225 | d08a5f6f | Vangelis Koukis | ) |
226 | c92af313 | Vangelis Koukis | # The internal operating state of a VM
|
227 | d08a5f6f | Vangelis Koukis | OPER_STATES = ( |
228 | d08a5f6f | Vangelis Koukis | ('BUILD', 'Queued for creation'), |
229 | d08a5f6f | Vangelis Koukis | ('ERROR', 'Creation failed'), |
230 | d08a5f6f | Vangelis Koukis | ('STOPPED', 'Stopped'), |
231 | d08a5f6f | Vangelis Koukis | ('STARTED', 'Started'), |
232 | d08a5f6f | Vangelis Koukis | ('DESTROYED', 'Destroyed') |
233 | d08a5f6f | Vangelis Koukis | ) |
234 | c92af313 | Vangelis Koukis | # The list of possible operations on the backend
|
235 | d08a5f6f | Vangelis Koukis | BACKEND_OPCODES = ( |
236 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_CREATE', 'Create Instance'), |
237 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_REMOVE', 'Remove Instance'), |
238 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_STARTUP', 'Startup Instance'), |
239 | d08a5f6f | Vangelis Koukis | ('OP_INSTANCE_SHUTDOWN', 'Shutdown Instance'), |
240 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_REBOOT', 'Reboot Instance'), |
241 | 26fef2b9 | Vangelis Koukis | |
242 | 26fef2b9 | Vangelis Koukis | # These are listed here for completeness,
|
243 | 26fef2b9 | Vangelis Koukis | # and are ignored for the time being
|
244 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_SET_PARAMS', 'Set Instance Parameters'), |
245 | 26fef2b9 | Vangelis Koukis | ('OP_INSTANCE_QUERY_DATA', 'Query Instance Data'), |
246 | d08a5f6f | Vangelis Koukis | ) |
247 | c92af313 | Vangelis Koukis | # A backend job may be in one of the following possible states
|
248 | d08a5f6f | Vangelis Koukis | BACKEND_STATUSES = ( |
249 | d08a5f6f | Vangelis Koukis | ('queued', 'request queued'), |
250 | d08a5f6f | Vangelis Koukis | ('waiting', 'request waiting for locks'), |
251 | d08a5f6f | Vangelis Koukis | ('canceling', 'request being canceled'), |
252 | d08a5f6f | Vangelis Koukis | ('running', 'request running'), |
253 | d08a5f6f | Vangelis Koukis | ('canceled', 'request canceled'), |
254 | d08a5f6f | Vangelis Koukis | ('success', 'request completed successfully'), |
255 | d08a5f6f | Vangelis Koukis | ('error', 'request returned error') |
256 | d08a5f6f | Vangelis Koukis | ) |
257 | d08a5f6f | Vangelis Koukis | |
258 | d08a5f6f | Vangelis Koukis | # The operating state of a VM,
|
259 | d08a5f6f | Vangelis Koukis | # upon the successful completion of a backend operation.
|
260 | d08a5f6f | Vangelis Koukis | OPER_STATE_FROM_OPCODE = { |
261 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_CREATE': 'STARTED', |
262 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_REMOVE': 'DESTROYED', |
263 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_STARTUP': 'STARTED', |
264 | d08a5f6f | Vangelis Koukis | 'OP_INSTANCE_SHUTDOWN': 'STOPPED', |
265 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_REBOOT': 'STARTED', |
266 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_SET_PARAMS': None, |
267 | 26fef2b9 | Vangelis Koukis | 'OP_INSTANCE_QUERY_DATA': None |
268 | d08a5f6f | Vangelis Koukis | } |
269 | d08a5f6f | Vangelis Koukis | |
270 | c92af313 | Vangelis Koukis | # This dictionary contains the correspondence between
|
271 | c92af313 | Vangelis Koukis | # internal operating states and Server States as defined
|
272 | c92af313 | Vangelis Koukis | # by the Rackspace API.
|
273 | d08a5f6f | Vangelis Koukis | RSAPI_STATE_FROM_OPER_STATE = { |
274 | d08a5f6f | Vangelis Koukis | "BUILD": "BUILD", |
275 | d08a5f6f | Vangelis Koukis | "ERROR": "ERROR", |
276 | d08a5f6f | Vangelis Koukis | "STOPPED": "STOPPED", |
277 | d08a5f6f | Vangelis Koukis | "STARTED": "ACTIVE", |
278 | d08a5f6f | Vangelis Koukis | "DESTROYED": "DELETED" |
279 | d08a5f6f | Vangelis Koukis | } |
280 | d08a5f6f | Vangelis Koukis | |
281 | 4daac449 | Vassilios Karakoidas | name = models.CharField('Virtual Machine Name', max_length=255) |
282 | 34a619ae | Vangelis Koukis | owner = models.ForeignKey(SynnefoUser) |
283 | d174b105 | Vassilios Karakoidas | created = models.DateTimeField(auto_now_add=True)
|
284 | d174b105 | Vassilios Karakoidas | updated = models.DateTimeField(auto_now=True)
|
285 | d174b105 | Vassilios Karakoidas | charged = models.DateTimeField(default=datetime.datetime.now()) |
286 | b4808d2b | Vassilios Karakoidas | sourceimage = models.ForeignKey("Image", null=False) |
287 | 22571df6 | Vassilios Karakoidas | hostid = models.CharField(max_length=100)
|
288 | 46547e14 | Faidon Liambotis | flavor = models.ForeignKey(Flavor) |
289 | c750d1d6 | Vangelis Koukis | deleted = models.BooleanField('Deleted', default=False) |
290 | c750d1d6 | Vangelis Koukis | suspended = models.BooleanField('Administratively Suspended', default=False) |
291 | d08a5f6f | Vangelis Koukis | |
292 | 52194743 | Vangelis Koukis | # VM State
|
293 | 52194743 | Vangelis Koukis | # The following fields are volatile data, in the sense
|
294 | 52194743 | Vangelis Koukis | # that they need not be persistent in the DB, but rather
|
295 | 52194743 | Vangelis Koukis | # get generated at runtime by quering Ganeti and applying
|
296 | 52194743 | Vangelis Koukis | # updates received from Ganeti.
|
297 | 73b2b65e | Vassilios Karakoidas | |
298 | 73b2b65e | Vassilios Karakoidas | # In the future they could be moved to a separate caching layer
|
299 | 73b2b65e | Vassilios Karakoidas | # and removed from the database.
|
300 | 73b2b65e | Vassilios Karakoidas | # [vkoukis] after discussion with [faidon].
|
301 | dfd19c2d | Vassilios Karakoidas | action = models.CharField(choices=ACTIONS, max_length=30, null=True) |
302 | dfd19c2d | Vassilios Karakoidas | operstate = models.CharField(choices=OPER_STATES, max_length=30, null=True) |
303 | dfd19c2d | Vassilios Karakoidas | backendjobid = models.PositiveIntegerField(null=True)
|
304 | f533f224 | Vangelis Koukis | backendopcode = models.CharField(choices=BACKEND_OPCODES, max_length=30,
|
305 | f533f224 | Vangelis Koukis | null=True)
|
306 | f533f224 | Vangelis Koukis | backendjobstatus = models.CharField(choices=BACKEND_STATUSES, max_length=30,
|
307 | f533f224 | Vangelis Koukis | null=True)
|
308 | dfd19c2d | Vassilios Karakoidas | backendlogmsg = models.TextField(null=True)
|
309 | d08a5f6f | Vangelis Koukis | |
310 | d08a5f6f | Vangelis Koukis | # Error classes
|
311 | d08a5f6f | Vangelis Koukis | class InvalidBackendIdError(Exception): |
312 | d08a5f6f | Vangelis Koukis | def __init__(self, value): |
313 | d08a5f6f | Vangelis Koukis | self.value = value
|
314 | d08a5f6f | Vangelis Koukis | def __str__(self): |
315 | d08a5f6f | Vangelis Koukis | return repr(self.value) |
316 | d08a5f6f | Vangelis Koukis | |
317 | d08a5f6f | Vangelis Koukis | class InvalidBackendMsgError(Exception): |
318 | d08a5f6f | Vangelis Koukis | def __init__(self, opcode, status): |
319 | d08a5f6f | Vangelis Koukis | self.opcode = opcode
|
320 | d08a5f6f | Vangelis Koukis | self.status = status
|
321 | d08a5f6f | Vangelis Koukis | def __str__(self): |
322 | f533f224 | Vangelis Koukis | return repr("<opcode: %s, status: %s>" % (str(self.opcode), |
323 | f533f224 | Vangelis Koukis | str(self.status))) |
324 | d08a5f6f | Vangelis Koukis | |
325 | d08a5f6f | Vangelis Koukis | class InvalidActionError(Exception): |
326 | d08a5f6f | Vangelis Koukis | def __init__(self, action): |
327 | c92af313 | Vangelis Koukis | self._action = action
|
328 | d08a5f6f | Vangelis Koukis | def __str__(self): |
329 | 78d9b6b7 | Vangelis Koukis | return repr(str(self._action)) |
330 | 5231a38a | Giorgos Verigakis | |
331 | 5231a38a | Giorgos Verigakis | class DeletedError(Exception): |
332 | 5231a38a | Giorgos Verigakis | pass
|
333 | 5231a38a | Giorgos Verigakis | |
334 | 5231a38a | Giorgos Verigakis | class BuildingError(Exception): |
335 | 5231a38a | Giorgos Verigakis | pass
|
336 | 5231a38a | Giorgos Verigakis | |
337 | 3846dfd0 | Vassilios Karakoidas | def __init__(self, *args, **kw): |
338 | d08a5f6f | Vangelis Koukis | """Initialize state for just created VM instances."""
|
339 | d08a5f6f | Vangelis Koukis | super(VirtualMachine, self).__init__(*args, **kw) |
340 | bc9c872b | Vangelis Koukis | # This gets called BEFORE an instance gets save()d for
|
341 | bc9c872b | Vangelis Koukis | # the first time.
|
342 | d08a5f6f | Vangelis Koukis | if not self.pk: |
343 | dfd19c2d | Vassilios Karakoidas | self.action = None |
344 | dfd19c2d | Vassilios Karakoidas | self.backendjobid = None |
345 | dfd19c2d | Vassilios Karakoidas | self.backendjobstatus = None |
346 | dfd19c2d | Vassilios Karakoidas | self.backendopcode = None |
347 | dfd19c2d | Vassilios Karakoidas | self.backendlogmsg = None |
348 | dfd19c2d | Vassilios Karakoidas | self.operstate = 'BUILD' |
349 | d08a5f6f | Vangelis Koukis | |
350 | 224b5e19 | Markos Gogoulos | def _get_backend_id(self): |
351 | 224b5e19 | Markos Gogoulos | """Returns the backend id for this VM by prepending backend-prefix."""
|
352 | 76ba77c1 | Vangelis Koukis | if not self.id: |
353 | 76ba77c1 | Vangelis Koukis | raise VirtualMachine.InvalidBackendIdError("self.id is None") |
354 | 92c53da1 | Vassilios Karakoidas | return '%s%s' % (settings.BACKEND_PREFIX_ID, str(self.id)) |
355 | 5b32775a | Vassilios Karakoidas | |
356 | 224b5e19 | Markos Gogoulos | backend_id = property(_get_backend_id)
|
357 | 05a90a5b | Vassilios Karakoidas | |
358 | d08a5f6f | Vangelis Koukis | class Meta: |
359 | d08a5f6f | Vangelis Koukis | verbose_name = u'Virtual machine instance'
|
360 | d08a5f6f | Vangelis Koukis | get_latest_by = 'created'
|
361 | d08a5f6f | Vangelis Koukis | |
362 | d08a5f6f | Vangelis Koukis | def __unicode__(self): |
363 | d08a5f6f | Vangelis Koukis | return self.name |
364 | d08a5f6f | Vangelis Koukis | |
365 | 4ffb82dc | Vassilios Karakoidas | |
366 | a31ff6cb | Markos Gogoulos | class VirtualMachineGroup(models.Model): |
367 | 52194743 | Vangelis Koukis | """Groups of VMs for SynnefoUsers"""
|
368 | a31ff6cb | Markos Gogoulos | name = models.CharField(max_length=255)
|
369 | 52194743 | Vangelis Koukis | created = models.DateTimeField('Time of creation', auto_now_add=True) |
370 | 52194743 | Vangelis Koukis | updated = models.DateTimeField('Time of last update', auto_now=True) |
371 | 6496c622 | Vassilios Karakoidas | owner = models.ForeignKey(SynnefoUser) |
372 | a31ff6cb | Markos Gogoulos | machines = models.ManyToManyField(VirtualMachine) |
373 | a31ff6cb | Markos Gogoulos | |
374 | a31ff6cb | Markos Gogoulos | class Meta: |
375 | a31ff6cb | Markos Gogoulos | verbose_name = u'Virtual Machine Group'
|
376 | a31ff6cb | Markos Gogoulos | verbose_name_plural = 'Virtual Machine Groups'
|
377 | a31ff6cb | Markos Gogoulos | ordering = ['name']
|
378 | a31ff6cb | Markos Gogoulos | |
379 | a31ff6cb | Markos Gogoulos | def __unicode__(self): |
380 | a31ff6cb | Markos Gogoulos | return self.name |
381 | a31ff6cb | Markos Gogoulos | |
382 | 3f53219b | Vassilios Karakoidas | |
383 | be7b8d37 | Vassilios Karakoidas | class VirtualMachineMetadata(models.Model): |
384 | be7b8d37 | Vassilios Karakoidas | meta_key = models.CharField(max_length=50)
|
385 | be7b8d37 | Vassilios Karakoidas | meta_value = models.CharField(max_length=500)
|
386 | be7b8d37 | Vassilios Karakoidas | vm = models.ForeignKey(VirtualMachine) |
387 | be7b8d37 | Vassilios Karakoidas | |
388 | be7b8d37 | Vassilios Karakoidas | class Meta: |
389 | dcfc6c2d | Vangelis Koukis | verbose_name = u'Key-value pair of metadata for a VM.'
|
390 | be7b8d37 | Vassilios Karakoidas | |
391 | be7b8d37 | Vassilios Karakoidas | def __unicode__(self): |
392 | 53827f6d | Markos Gogoulos | return u'%s, %s for %s' % (self.meta_key, self.meta_value, self.vm.name) |
393 | be7b8d37 | Vassilios Karakoidas | |
394 | be7b8d37 | Vassilios Karakoidas | |
395 | d174b105 | Vassilios Karakoidas | class Debit(models.Model): |
396 | d174b105 | Vassilios Karakoidas | when = models.DateTimeField() |
397 | d174b105 | Vassilios Karakoidas | user = models.ForeignKey(SynnefoUser) |
398 | 46547e14 | Faidon Liambotis | vm = models.ForeignKey(VirtualMachine) |
399 | d174b105 | Vassilios Karakoidas | description = models.TextField() |
400 | be7b8d37 | Vassilios Karakoidas | |
401 | 46547e14 | Faidon Liambotis | class Meta: |
402 | b90da243 | Vassilios Karakoidas | verbose_name = u'Accounting log'
|
403 | be7b8d37 | Vassilios Karakoidas | |
404 | 5b32775a | Vassilios Karakoidas | def __unicode__(self): |
405 | f533f224 | Vangelis Koukis | return u'%s - %s - %s - %s' % (self.user.id, self.vm.name, |
406 | f533f224 | Vangelis Koukis | str(self.when), self.description) |
407 | 38684389 | Markos Gogoulos | |
408 | 9071888e | Constantinos Venetsanopoulos | |
409 | 9071888e | Constantinos Venetsanopoulos | class Disk(models.Model): |
410 | 9071888e | Constantinos Venetsanopoulos | name = models.CharField(max_length=255)
|
411 | 52194743 | Vangelis Koukis | created = models.DateTimeField('Time of creation', auto_now_add=True) |
412 | 52194743 | Vangelis Koukis | updated = models.DateTimeField('Time of last update', auto_now=True) |
413 | 9071888e | Constantinos Venetsanopoulos | size = models.PositiveIntegerField('Disk size in GBs')
|
414 | 9071888e | Constantinos Venetsanopoulos | vm = models.ForeignKey(VirtualMachine, blank=True, null=True) |
415 | 9071888e | Constantinos Venetsanopoulos | owner = models.ForeignKey(SynnefoUser, blank=True, null=True) |
416 | 52194743 | Vangelis Koukis | |
417 | 9071888e | Constantinos Venetsanopoulos | class Meta: |
418 | 9071888e | Constantinos Venetsanopoulos | verbose_name = u'Disk instance'
|
419 | 9071888e | Constantinos Venetsanopoulos | |
420 | 9071888e | Constantinos Venetsanopoulos | def __unicode__(self): |
421 | 9071888e | Constantinos Venetsanopoulos | return self.name |
422 | 0269afd6 | Giorgos Verigakis | |
423 | 0269afd6 | Giorgos Verigakis | |
424 | 0269afd6 | Giorgos Verigakis | class Network(models.Model): |
425 | f533f224 | Vangelis Koukis | NETWORK_STATES = ( |
426 | f533f224 | Vangelis Koukis | ('ACTIVE', 'Active'), |
427 | f533f224 | Vangelis Koukis | ('DELETED', 'Deleted') |
428 | f533f224 | Vangelis Koukis | ) |
429 | f533f224 | Vangelis Koukis | |
430 | 0269afd6 | Giorgos Verigakis | name = models.CharField(max_length=255)
|
431 | 0269afd6 | Giorgos Verigakis | created = models.DateTimeField(auto_now_add=True)
|
432 | 0269afd6 | Giorgos Verigakis | updated = models.DateTimeField(auto_now=True)
|
433 | f533f224 | Vangelis Koukis | owner = models.ForeignKey(SynnefoUser, null=True)
|
434 | f533f224 | Vangelis Koukis | state = models.CharField(choices=NETWORK_STATES, max_length=30)
|
435 | f533f224 | Vangelis Koukis | public = models.BooleanField(default=False)
|
436 | f533f224 | Vangelis Koukis | link = models.ForeignKey('NetworkLink', related_name='+') |
437 | f533f224 | Vangelis Koukis | machines = models.ManyToManyField(VirtualMachine, |
438 | f533f224 | Vangelis Koukis | through='NetworkInterface')
|
439 | 0269afd6 | Giorgos Verigakis | |
440 | 0269afd6 | Giorgos Verigakis | def __unicode__(self): |
441 | 0269afd6 | Giorgos Verigakis | return self.name |
442 | 4f8b91cd | Georgios Gousios | |
443 | f533f224 | Vangelis Koukis | |
444 | 4f8b91cd | Georgios Gousios | class Invitations(models.Model): |
445 | 4f8b91cd | Georgios Gousios | source = models.ForeignKey(SynnefoUser, related_name="source")
|
446 | 4f8b91cd | Georgios Gousios | target = models.ForeignKey(SynnefoUser, related_name="target")
|
447 | 4f8b91cd | Georgios Gousios | accepted = models.BooleanField('Is the invitation accepted?', default=False) |
448 | 4f8b91cd | Georgios Gousios | created = models.DateTimeField(auto_now_add=True)
|
449 | 4f8b91cd | Georgios Gousios | updated = models.DateTimeField(auto_now=True)
|
450 | 4f8b91cd | Georgios Gousios | |
451 | 4f8b91cd | Georgios Gousios | class Meta: |
452 | 4f8b91cd | Georgios Gousios | verbose_name = u'Invitation'
|
453 | 4f8b91cd | Georgios Gousios | |
454 | 4f8b91cd | Georgios Gousios | def __unicode__(self): |
455 | 4f8b91cd | Georgios Gousios | return self.name |
456 | f533f224 | Vangelis Koukis | |
457 | f533f224 | Vangelis Koukis | |
458 | f533f224 | Vangelis Koukis | class NetworkInterface(models.Model): |
459 | f533f224 | Vangelis Koukis | FIREWALL_PROFILES = ( |
460 | f533f224 | Vangelis Koukis | ('ENABLED', 'Enabled'), |
461 | 26563957 | Giorgos Verigakis | ('DISABLED', 'Disabled'), |
462 | 26563957 | Giorgos Verigakis | ('PROTECTED', 'Protected') |
463 | f533f224 | Vangelis Koukis | ) |
464 | f533f224 | Vangelis Koukis | |
465 | f533f224 | Vangelis Koukis | machine = models.ForeignKey(VirtualMachine, related_name='nics')
|
466 | f533f224 | Vangelis Koukis | network = models.ForeignKey(Network, related_name='nics')
|
467 | f533f224 | Vangelis Koukis | created = models.DateTimeField(auto_now_add=True)
|
468 | f533f224 | Vangelis Koukis | updated = models.DateTimeField(auto_now=True)
|
469 | f533f224 | Vangelis Koukis | index = models.IntegerField(null=True)
|
470 | f533f224 | Vangelis Koukis | mac = models.CharField(max_length=17, null=True) |
471 | f533f224 | Vangelis Koukis | ipv4 = models.CharField(max_length=15, null=True) |
472 | f533f224 | Vangelis Koukis | ipv6 = models.CharField(max_length=100, null=True) |
473 | f533f224 | Vangelis Koukis | firewall_profile = models.CharField(choices=FIREWALL_PROFILES, |
474 | f533f224 | Vangelis Koukis | max_length=30, null=True) |
475 | 2987cd8a | Giorgos Verigakis | |
476 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
477 | 2987cd8a | Giorgos Verigakis | return '%s@%s' % (self.machine.name, self.network.name) |
478 | f533f224 | Vangelis Koukis | |
479 | f533f224 | Vangelis Koukis | |
480 | f533f224 | Vangelis Koukis | class NetworkLink(models.Model): |
481 | f533f224 | Vangelis Koukis | network = models.ForeignKey(Network, null=True, related_name='+') |
482 | f533f224 | Vangelis Koukis | index = models.IntegerField() |
483 | f533f224 | Vangelis Koukis | name = models.CharField(max_length=255)
|
484 | f533f224 | Vangelis Koukis | available = models.BooleanField(default=True)
|
485 | 2987cd8a | Giorgos Verigakis | |
486 | 2987cd8a | Giorgos Verigakis | def __unicode__(self): |
487 | 2987cd8a | Giorgos Verigakis | return self.name |