root / snf-cyclades-app / synnefo / api / util.py @ 2a58c29b
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1 | 6ef51e9f | Giorgos Verigakis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | d1387ed7 | Christodoulos Psaltis | #
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3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
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4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
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5 | adee02b8 | Giorgos Verigakis | # conditions are met:
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6 | d1387ed7 | Christodoulos Psaltis | #
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7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
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8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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9 | adee02b8 | Giorgos Verigakis | # disclaimer.
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10 | d1387ed7 | Christodoulos Psaltis | #
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11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
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12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
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13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
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14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
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15 | d1387ed7 | Christodoulos Psaltis | #
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16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | d1387ed7 | Christodoulos Psaltis | #
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29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
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30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
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31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
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32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
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33 | 7e2f9d4b | Giorgos Verigakis | |
34 | dca7553e | Christos Stavrakakis | from base64 import b64encode, b64decode |
35 | c738c935 | Giorgos Verigakis | from hashlib import sha256 |
36 | 2035039b | Giorgos Verigakis | from logging import getLogger |
37 | d8e50a39 | Giorgos Verigakis | from random import choice |
38 | dca2a31f | Giorgos Verigakis | from string import digits, lowercase, uppercase |
39 | 2035039b | Giorgos Verigakis | |
40 | c738c935 | Giorgos Verigakis | from Crypto.Cipher import AES |
41 | 529178b1 | Giorgos Verigakis | |
42 | d8e50a39 | Giorgos Verigakis | from django.conf import settings |
43 | 7e2f9d4b | Giorgos Verigakis | from django.http import HttpResponse |
44 | 7e2f9d4b | Giorgos Verigakis | from django.template.loader import render_to_string |
45 | 29a59bc1 | Giorgos Verigakis | from django.utils import simplejson as json |
46 | d3406fbc | Christos Stavrakakis | from django.db.models import Q |
47 | 7e2f9d4b | Giorgos Verigakis | |
48 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
49 | 6ef51e9f | Giorgos Verigakis | from synnefo.db.models import (Flavor, VirtualMachine, VirtualMachineMetadata, |
50 | a1713485 | Marios Kogias | Network, NetworkInterface, SecurityGroup, |
51 | a1713485 | Marios Kogias | BridgePoolTable, MacPrefixPoolTable, IPAddress, |
52 | 495e2be8 | Christos Stavrakakis | IPPoolTable) |
53 | b3fd98ae | Christos Stavrakakis | from synnefo.plankton.utils import image_backend |
54 | 9e98ba3c | Giorgos Verigakis | |
55 | 1b696c26 | Christos Stavrakakis | from synnefo.cyclades_settings import cyclades_services, BASE_HOST |
56 | 1b696c26 | Christos Stavrakakis | from synnefo.lib.services import get_service_path |
57 | 1b696c26 | Christos Stavrakakis | from synnefo.lib import join_urls |
58 | 1b696c26 | Christos Stavrakakis | |
59 | 1b696c26 | Christos Stavrakakis | COMPUTE_URL = \ |
60 | 1b696c26 | Christos Stavrakakis | join_urls(BASE_HOST, |
61 | 1b696c26 | Christos Stavrakakis | get_service_path(cyclades_services, "compute", version="v2.0")) |
62 | 1b696c26 | Christos Stavrakakis | SERVERS_URL = join_urls(COMPUTE_URL, "servers/")
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63 | 1b696c26 | Christos Stavrakakis | FLAVORS_URL = join_urls(COMPUTE_URL, "flavors/")
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64 | 1b696c26 | Christos Stavrakakis | IMAGES_URL = join_urls(COMPUTE_URL, "images/")
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65 | 1b696c26 | Christos Stavrakakis | PLANKTON_URL = \ |
66 | 1b696c26 | Christos Stavrakakis | join_urls(BASE_HOST, |
67 | 1b696c26 | Christos Stavrakakis | get_service_path(cyclades_services, "image", version="v1.0")) |
68 | 1b696c26 | Christos Stavrakakis | IMAGES_PLANKTON_URL = join_urls(PLANKTON_URL, "images/")
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69 | 1b696c26 | Christos Stavrakakis | |
70 | cdd6fc06 | Christos Stavrakakis | NETWORK_URL = \ |
71 | cdd6fc06 | Christos Stavrakakis | join_urls(BASE_HOST, |
72 | cdd6fc06 | Christos Stavrakakis | get_service_path(cyclades_services, "network", version="v2.0")) |
73 | cdd6fc06 | Christos Stavrakakis | NETWORKS_URL = join_urls(NETWORK_URL, "networks/")
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74 | cdd6fc06 | Christos Stavrakakis | PORTS_URL = join_urls(NETWORK_URL, "ports/")
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75 | cdd6fc06 | Christos Stavrakakis | SUBNETS_URL = join_urls(NETWORK_URL, "subnets/")
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76 | cdd6fc06 | Christos Stavrakakis | FLOATING_IPS_URL = join_urls(NETWORK_URL, "floatingips/")
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77 | cdd6fc06 | Christos Stavrakakis | |
78 | c172f4ab | Christos Stavrakakis | PITHOSMAP_PREFIX = "pithosmap://"
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79 | 9e98ba3c | Giorgos Verigakis | |
80 | 9e98ba3c | Giorgos Verigakis | log = getLogger('synnefo.api')
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81 | 9e98ba3c | Giorgos Verigakis | |
82 | 7e2f9d4b | Giorgos Verigakis | |
83 | dca2a31f | Giorgos Verigakis | def random_password(): |
84 | dca2a31f | Giorgos Verigakis | """Generates a random password
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85 | ce55f211 | Kostas Papadimitriou |
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86 | 62eac5a6 | Giorgos Verigakis | We generate a windows compliant password: it must contain at least
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87 | dca2a31f | Giorgos Verigakis | one charachter from each of the groups: upper case, lower case, digits.
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88 | dca2a31f | Giorgos Verigakis | """
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89 | ce55f211 | Kostas Papadimitriou | |
90 | dca2a31f | Giorgos Verigakis | pool = lowercase + uppercase + digits |
91 | dca2a31f | Giorgos Verigakis | lowerset = set(lowercase)
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92 | dca2a31f | Giorgos Verigakis | upperset = set(uppercase)
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93 | dca2a31f | Giorgos Verigakis | digitset = set(digits)
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94 | dca2a31f | Giorgos Verigakis | length = 10
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95 | ce55f211 | Kostas Papadimitriou | |
96 | 62eac5a6 | Giorgos Verigakis | password = ''.join(choice(pool) for i in range(length - 2)) |
97 | ce55f211 | Kostas Papadimitriou | |
98 | 62eac5a6 | Giorgos Verigakis | # Make sure the password is compliant
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99 | 62eac5a6 | Giorgos Verigakis | chars = set(password)
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100 | 62eac5a6 | Giorgos Verigakis | if not chars & lowerset: |
101 | 62eac5a6 | Giorgos Verigakis | password += choice(lowercase) |
102 | 62eac5a6 | Giorgos Verigakis | if not chars & upperset: |
103 | 62eac5a6 | Giorgos Verigakis | password += choice(uppercase) |
104 | 62eac5a6 | Giorgos Verigakis | if not chars & digitset: |
105 | 62eac5a6 | Giorgos Verigakis | password += choice(digits) |
106 | ce55f211 | Kostas Papadimitriou | |
107 | 62eac5a6 | Giorgos Verigakis | # Pad if necessary to reach required length
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108 | 62eac5a6 | Giorgos Verigakis | password += ''.join(choice(pool) for i in range(length - len(password))) |
109 | ce55f211 | Kostas Papadimitriou | |
110 | dca2a31f | Giorgos Verigakis | return password
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111 | dca2a31f | Giorgos Verigakis | |
112 | d8e50a39 | Giorgos Verigakis | |
113 | c738c935 | Giorgos Verigakis | def zeropad(s): |
114 | c738c935 | Giorgos Verigakis | """Add zeros at the end of a string in order to make its length
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115 | c738c935 | Giorgos Verigakis | a multiple of 16."""
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116 | d1387ed7 | Christodoulos Psaltis | |
117 | c738c935 | Giorgos Verigakis | npad = 16 - len(s) % 16 |
118 | c738c935 | Giorgos Verigakis | return s + '\x00' * npad |
119 | c738c935 | Giorgos Verigakis | |
120 | a08e4270 | Vangelis Koukis | |
121 | c738c935 | Giorgos Verigakis | def encrypt(plaintext): |
122 | c738c935 | Giorgos Verigakis | # Make sure key is 32 bytes long
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123 | c738c935 | Giorgos Verigakis | key = sha256(settings.SECRET_KEY).digest() |
124 | d1387ed7 | Christodoulos Psaltis | |
125 | c738c935 | Giorgos Verigakis | aes = AES.new(key) |
126 | c738c935 | Giorgos Verigakis | enc = aes.encrypt(zeropad(plaintext)) |
127 | c738c935 | Giorgos Verigakis | return b64encode(enc)
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128 | c738c935 | Giorgos Verigakis | |
129 | 7e2f9d4b | Giorgos Verigakis | |
130 | 7f2dbcad | Christos Stavrakakis | def get_vm(server_id, user_id, for_update=False, non_deleted=False, |
131 | b3a43976 | Christos Stavrakakis | non_suspended=False, prefetch_related=None): |
132 | e221ade2 | Christos Stavrakakis | """Find a VirtualMachine instance based on ID and owner."""
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133 | aa197ee4 | Vangelis Koukis | |
134 | d8e50a39 | Giorgos Verigakis | try:
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135 | d8e50a39 | Giorgos Verigakis | server_id = int(server_id)
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136 | 7f2dbcad | Christos Stavrakakis | servers = VirtualMachine.objects |
137 | 7f2dbcad | Christos Stavrakakis | if for_update:
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138 | 7f2dbcad | Christos Stavrakakis | servers = servers.select_for_update() |
139 | b3a43976 | Christos Stavrakakis | if prefetch_related is not None: |
140 | b3a43976 | Christos Stavrakakis | servers = servers.prefetch_related(prefetch_related) |
141 | 7f2dbcad | Christos Stavrakakis | vm = servers.get(id=server_id, userid=user_id) |
142 | e221ade2 | Christos Stavrakakis | if non_deleted and vm.deleted: |
143 | 5b0832fc | Christos Stavrakakis | raise faults.BadRequest("Server has been deleted.") |
144 | e221ade2 | Christos Stavrakakis | if non_suspended and vm.suspended: |
145 | bd40abfa | Christos Stavrakakis | raise faults.Forbidden("Administratively Suspended VM") |
146 | 3a522cff | Christos Stavrakakis | return vm
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147 | d8e50a39 | Giorgos Verigakis | except ValueError: |
148 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Invalid server ID.') |
149 | d8e50a39 | Giorgos Verigakis | except VirtualMachine.DoesNotExist:
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150 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Server not found.') |
151 | d8e50a39 | Giorgos Verigakis | |
152 | 7f2dbcad | Christos Stavrakakis | |
153 | 40777cc8 | Giorgos Verigakis | def get_vm_meta(vm, key): |
154 | d8e50a39 | Giorgos Verigakis | """Return a VirtualMachineMetadata instance or raise ItemNotFound."""
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155 | aa197ee4 | Vangelis Koukis | |
156 | d8e50a39 | Giorgos Verigakis | try:
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157 | 40777cc8 | Giorgos Verigakis | return VirtualMachineMetadata.objects.get(meta_key=key, vm=vm)
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158 | d8e50a39 | Giorgos Verigakis | except VirtualMachineMetadata.DoesNotExist:
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159 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Metadata key not found.') |
160 | d8e50a39 | Giorgos Verigakis | |
161 | a08e4270 | Vangelis Koukis | |
162 | 6ef51e9f | Giorgos Verigakis | def get_image(image_id, user_id): |
163 | d8e50a39 | Giorgos Verigakis | """Return an Image instance or raise ItemNotFound."""
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164 | aa197ee4 | Vangelis Koukis | |
165 | b3fd98ae | Christos Stavrakakis | with image_backend(user_id) as backend: |
166 | cda71050 | Christos Stavrakakis | return backend.get_image(image_id)
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167 | 3a9b3cde | Giorgos Verigakis | |
168 | a08e4270 | Vangelis Koukis | |
169 | dca7553e | Christos Stavrakakis | def get_image_dict(image_id, user_id): |
170 | dca7553e | Christos Stavrakakis | image = {} |
171 | dca7553e | Christos Stavrakakis | img = get_image(image_id, user_id) |
172 | bcd80cd9 | Christos Stavrakakis | image["id"] = img["id"] |
173 | bcd80cd9 | Christos Stavrakakis | image["name"] = img["name"] |
174 | c172f4ab | Christos Stavrakakis | image["format"] = img["disk_format"] |
175 | c172f4ab | Christos Stavrakakis | image["checksum"] = img["checksum"] |
176 | c172f4ab | Christos Stavrakakis | image["location"] = img["location"] |
177 | c172f4ab | Christos Stavrakakis | |
178 | c172f4ab | Christos Stavrakakis | checksum = image["checksum"] = img["checksum"] |
179 | c172f4ab | Christos Stavrakakis | size = image["size"] = img["size"] |
180 | c172f4ab | Christos Stavrakakis | image["backend_id"] = PITHOSMAP_PREFIX + "/".join([checksum, str(size)]) |
181 | c172f4ab | Christos Stavrakakis | |
182 | c172f4ab | Christos Stavrakakis | properties = img.get("properties", {})
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183 | c172f4ab | Christos Stavrakakis | image["metadata"] = dict((key.upper(), val) |
184 | dca7553e | Christos Stavrakakis | for key, val in properties.items()) |
185 | c172f4ab | Christos Stavrakakis | |
186 | dca7553e | Christos Stavrakakis | return image
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187 | dca7553e | Christos Stavrakakis | |
188 | dca7553e | Christos Stavrakakis | |
189 | aa8230bd | Christos Stavrakakis | def get_flavor(flavor_id, include_deleted=False): |
190 | 529178b1 | Giorgos Verigakis | """Return a Flavor instance or raise ItemNotFound."""
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191 | aa197ee4 | Vangelis Koukis | |
192 | 529178b1 | Giorgos Verigakis | try:
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193 | 529178b1 | Giorgos Verigakis | flavor_id = int(flavor_id)
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194 | aa8230bd | Christos Stavrakakis | if include_deleted:
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195 | aa8230bd | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id)
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196 | aa8230bd | Christos Stavrakakis | else:
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197 | aa8230bd | Christos Stavrakakis | return Flavor.objects.get(id=flavor_id, deleted=include_deleted)
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198 | 6ef51e9f | Giorgos Verigakis | except (ValueError, Flavor.DoesNotExist): |
199 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Flavor not found.') |
200 | d8e50a39 | Giorgos Verigakis | |
201 | a08e4270 | Vangelis Koukis | |
202 | 9dcb5b8a | Christos Stavrakakis | def get_flavor_provider(flavor): |
203 | 9dcb5b8a | Christos Stavrakakis | """Extract provider from disk template.
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204 | 9dcb5b8a | Christos Stavrakakis |
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205 | 9dcb5b8a | Christos Stavrakakis | Provider for `ext` disk_template is encoded in the disk template
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206 | 9dcb5b8a | Christos Stavrakakis | name, which is formed `ext_<provider_name>`. Provider is None
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207 | 9dcb5b8a | Christos Stavrakakis | for all other disk templates.
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208 | 9dcb5b8a | Christos Stavrakakis |
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209 | 9dcb5b8a | Christos Stavrakakis | """
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210 | 9dcb5b8a | Christos Stavrakakis | disk_template = flavor.disk_template |
211 | 9dcb5b8a | Christos Stavrakakis | provider = None
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212 | 9dcb5b8a | Christos Stavrakakis | if disk_template.startswith("ext"): |
213 | 9dcb5b8a | Christos Stavrakakis | disk_template, provider = disk_template.split("_", 1) |
214 | 9dcb5b8a | Christos Stavrakakis | return disk_template, provider
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215 | 9dcb5b8a | Christos Stavrakakis | |
216 | 95a213d4 | Christos Stavrakakis | |
217 | 9e8be4fb | Christos Stavrakakis | def get_network(network_id, user_id, for_update=False, non_deleted=False): |
218 | e2ee7808 | Giorgos Verigakis | """Return a Network instance or raise ItemNotFound."""
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219 | aa197ee4 | Vangelis Koukis | |
220 | e2ee7808 | Giorgos Verigakis | try:
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221 | 7fede91e | Christos Stavrakakis | network_id = int(network_id)
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222 | a96e84cf | Christos Stavrakakis | objects = Network.objects.prefetch_related("subnets")
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223 | d2e73c0c | Christos Stavrakakis | if for_update:
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224 | d3406fbc | Christos Stavrakakis | objects = objects.select_for_update() |
225 | 9e8be4fb | Christos Stavrakakis | network = objects.get(Q(userid=user_id) | Q(public=True),
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226 | 9e8be4fb | Christos Stavrakakis | id=network_id) |
227 | 9e8be4fb | Christos Stavrakakis | if non_deleted and network.deleted: |
228 | f8675683 | Christos Stavrakakis | raise faults.BadRequest("Network has been deleted.") |
229 | 9e8be4fb | Christos Stavrakakis | return network
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230 | 6ef51e9f | Giorgos Verigakis | except (ValueError, Network.DoesNotExist): |
231 | 710b1c43 | Christos Stavrakakis | raise faults.ItemNotFound('Network %s not found.' % network_id) |
232 | 95a213d4 | Christos Stavrakakis | |
233 | 95a213d4 | Christos Stavrakakis | |
234 | 95a213d4 | Christos Stavrakakis | def get_port(port_id, user_id, for_update=False): |
235 | 0baa1e3d | Buildbot | """
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236 | 95a213d4 | Christos Stavrakakis | Return a NetworkInteface instance or raise ItemNotFound.
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237 | 0baa1e3d | Buildbot | """
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238 | 0baa1e3d | Buildbot | try:
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239 | 09b76b7e | Christos Stavrakakis | objects = NetworkInterface.objects.filter(userid=user_id) |
240 | 593851e0 | Buildbot | if for_update:
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241 | 593851e0 | Buildbot | objects = objects.select_for_update() |
242 | fae6e5f0 | Christos Stavrakakis | # if (port.device_owner != "vm") and for_update:
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243 | 8d5795b4 | Christos Stavrakakis | # raise faults.BadRequest('Cannot update non vm port')
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244 | 09b76b7e | Christos Stavrakakis | return objects.get(id=port_id)
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245 | 95a213d4 | Christos Stavrakakis | except (ValueError, NetworkInterface.DoesNotExist): |
246 | 09b76b7e | Christos Stavrakakis | raise faults.ItemNotFound("Port '%s' not found." % port_id) |
247 | 95a213d4 | Christos Stavrakakis | |
248 | 0711e5aa | Christos Stavrakakis | |
249 | a1713485 | Marios Kogias | def get_security_group(sg_id): |
250 | a1713485 | Marios Kogias | try:
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251 | a1713485 | Marios Kogias | sg = SecurityGroup.objects.get(id=sg_id) |
252 | a1713485 | Marios Kogias | return sg
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253 | a1713485 | Marios Kogias | except (ValueError, SecurityGroup.DoesNotExist): |
254 | a1713485 | Marios Kogias | raise faults.ItemNotFound("Not valid security group") |
255 | a08e4270 | Vangelis Koukis | |
256 | 0711e5aa | Christos Stavrakakis | |
257 | 710b1c43 | Christos Stavrakakis | def get_floating_ip_by_address(userid, address, for_update=False): |
258 | f8675683 | Christos Stavrakakis | try:
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259 | 326c3ec8 | Christos Stavrakakis | objects = IPAddress.objects |
260 | f8675683 | Christos Stavrakakis | if for_update:
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261 | f8675683 | Christos Stavrakakis | objects = objects.select_for_update() |
262 | 710b1c43 | Christos Stavrakakis | return objects.get(userid=userid, floating_ip=True, |
263 | 710b1c43 | Christos Stavrakakis | address=address, deleted=False)
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264 | 326c3ec8 | Christos Stavrakakis | except IPAddress.DoesNotExist:
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265 | f8675683 | Christos Stavrakakis | raise faults.ItemNotFound("Floating IP does not exist.") |
266 | f8675683 | Christos Stavrakakis | |
267 | f8675683 | Christos Stavrakakis | |
268 | 710b1c43 | Christos Stavrakakis | def get_floating_ip_by_id(userid, floating_ip_id, for_update=False): |
269 | 710b1c43 | Christos Stavrakakis | try:
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270 | 710b1c43 | Christos Stavrakakis | objects = IPAddress.objects |
271 | 710b1c43 | Christos Stavrakakis | if for_update:
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272 | 710b1c43 | Christos Stavrakakis | objects = objects.select_for_update() |
273 | d9c36253 | Marios Kogias | return objects.get(id=floating_ip_id, floating_ip=True, |
274 | 0711e5aa | Christos Stavrakakis | userid=userid, deleted=False)
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275 | 710b1c43 | Christos Stavrakakis | except IPAddress.DoesNotExist:
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276 | fae6e5f0 | Christos Stavrakakis | raise faults.ItemNotFound("Floating IP with ID %s does not exist." % |
277 | 710b1c43 | Christos Stavrakakis | floating_ip_id) |
278 | dca7553e | Christos Stavrakakis | |
279 | dca7553e | Christos Stavrakakis | |
280 | 710b1c43 | Christos Stavrakakis | def backend_has_free_public_ip(backend): |
281 | 710b1c43 | Christos Stavrakakis | """Check if a backend has a free public IPv4 address."""
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282 | 710b1c43 | Christos Stavrakakis | ip_pool_rows = IPPoolTable.objects.select_for_update()\ |
283 | 710b1c43 | Christos Stavrakakis | .filter(subnet__network__public=True)\
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284 | 710b1c43 | Christos Stavrakakis | .filter(subnet__network__drained=False)\
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285 | 710b1c43 | Christos Stavrakakis | .filter(subnet__deleted=False)\
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286 | 710b1c43 | Christos Stavrakakis | .filter(subnet__network__backend_networks__backend=backend) |
287 | 710b1c43 | Christos Stavrakakis | for pool_row in ip_pool_rows: |
288 | 710b1c43 | Christos Stavrakakis | pool = pool_row.pool |
289 | 710b1c43 | Christos Stavrakakis | if pool.empty():
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290 | 710b1c43 | Christos Stavrakakis | continue
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291 | 710b1c43 | Christos Stavrakakis | else:
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292 | 710b1c43 | Christos Stavrakakis | return True |
293 | 710b1c43 | Christos Stavrakakis | |
294 | 710b1c43 | Christos Stavrakakis | |
295 | 710b1c43 | Christos Stavrakakis | def backend_public_networks(backend): |
296 | 710b1c43 | Christos Stavrakakis | return Network.objects.filter(deleted=False, public=True, |
297 | 710b1c43 | Christos Stavrakakis | backend_networks__backend=backend) |
298 | 7fede91e | Christos Stavrakakis | |
299 | 7fede91e | Christos Stavrakakis | |
300 | c988fcca | Christos Stavrakakis | def get_vm_nic(vm, nic_id): |
301 | d0545590 | Christos Stavrakakis | """Get a VMs NIC by its ID."""
|
302 | d44c236b | Giorgos Verigakis | try:
|
303 | 7c714455 | Christos Stavrakakis | return vm.nics.get(id=nic_id)
|
304 | d44c236b | Giorgos Verigakis | except NetworkInterface.DoesNotExist:
|
305 | d0545590 | Christos Stavrakakis | raise faults.ItemNotFound("NIC '%s' not found" % nic_id) |
306 | d44c236b | Giorgos Verigakis | |
307 | 7fede91e | Christos Stavrakakis | |
308 | c988fcca | Christos Stavrakakis | def get_nic(nic_id): |
309 | c988fcca | Christos Stavrakakis | try:
|
310 | c988fcca | Christos Stavrakakis | return NetworkInterface.objects.get(id=nic_id)
|
311 | c988fcca | Christos Stavrakakis | except NetworkInterface.DoesNotExist:
|
312 | c988fcca | Christos Stavrakakis | raise faults.ItemNotFound("NIC '%s' not found" % nic_id) |
313 | c988fcca | Christos Stavrakakis | |
314 | c988fcca | Christos Stavrakakis | |
315 | 432fc8c3 | Giorgos Verigakis | def render_metadata(request, metadata, use_values=False, status=200): |
316 | 432fc8c3 | Giorgos Verigakis | if request.serialization == 'xml': |
317 | 432fc8c3 | Giorgos Verigakis | data = render_to_string('metadata.xml', {'metadata': metadata}) |
318 | 432fc8c3 | Giorgos Verigakis | else:
|
319 | b36f78fa | Giorgos Verigakis | if use_values:
|
320 | b36f78fa | Giorgos Verigakis | d = {'metadata': {'values': metadata}} |
321 | b36f78fa | Giorgos Verigakis | else:
|
322 | b36f78fa | Giorgos Verigakis | d = {'metadata': metadata}
|
323 | 432fc8c3 | Giorgos Verigakis | data = json.dumps(d) |
324 | 432fc8c3 | Giorgos Verigakis | return HttpResponse(data, status=status)
|
325 | 432fc8c3 | Giorgos Verigakis | |
326 | a08e4270 | Vangelis Koukis | |
327 | 432fc8c3 | Giorgos Verigakis | def render_meta(request, meta, status=200): |
328 | 432fc8c3 | Giorgos Verigakis | if request.serialization == 'xml': |
329 | 32e4e343 | Christos Stavrakakis | key, val = meta.items()[0]
|
330 | 6ef51e9f | Giorgos Verigakis | data = render_to_string('meta.xml', dict(key=key, val=val)) |
331 | 432fc8c3 | Giorgos Verigakis | else:
|
332 | 6ef51e9f | Giorgos Verigakis | data = json.dumps(dict(meta=meta))
|
333 | 432fc8c3 | Giorgos Verigakis | return HttpResponse(data, status=status)
|
334 | 432fc8c3 | Giorgos Verigakis | |
335 | a08e4270 | Vangelis Koukis | |
336 | dca7553e | Christos Stavrakakis | def verify_personality(personality): |
337 | 6ec4694f | Christos Stavrakakis | """Verify that a a list of personalities is well formed"""
|
338 | 006c6249 | Christos Stavrakakis | if len(personality) > settings.MAX_PERSONALITY: |
339 | bd40abfa | Christos Stavrakakis | raise faults.OverLimit("Maximum number of personalities" |
340 | 32e4e343 | Christos Stavrakakis | " exceeded")
|
341 | dca7553e | Christos Stavrakakis | for p in personality: |
342 | dca7553e | Christos Stavrakakis | # Verify that personalities are well-formed
|
343 | dca7553e | Christos Stavrakakis | try:
|
344 | dca7553e | Christos Stavrakakis | assert isinstance(p, dict) |
345 | dca7553e | Christos Stavrakakis | keys = set(p.keys())
|
346 | dca7553e | Christos Stavrakakis | allowed = set(['contents', 'group', 'mode', 'owner', 'path']) |
347 | dca7553e | Christos Stavrakakis | assert keys.issubset(allowed)
|
348 | dca7553e | Christos Stavrakakis | contents = p['contents']
|
349 | dca7553e | Christos Stavrakakis | if len(contents) > settings.MAX_PERSONALITY_SIZE: |
350 | dca7553e | Christos Stavrakakis | # No need to decode if contents already exceed limit
|
351 | bd40abfa | Christos Stavrakakis | raise faults.OverLimit("Maximum size of personality exceeded") |
352 | dca7553e | Christos Stavrakakis | if len(b64decode(contents)) > settings.MAX_PERSONALITY_SIZE: |
353 | bd40abfa | Christos Stavrakakis | raise faults.OverLimit("Maximum size of personality exceeded") |
354 | 7bbe4333 | Ilias Tsitsimpis | except (AssertionError, TypeError): |
355 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest("Malformed personality in request") |
356 | 2a599282 | Christos Stavrakakis | |
357 | 2a599282 | Christos Stavrakakis | |
358 | b7d38981 | Dimitris Aragiorgis | def values_from_flavor(flavor): |
359 | b7d38981 | Dimitris Aragiorgis | """Get Ganeti connectivity info from flavor type.
|
360 | b7d38981 | Dimitris Aragiorgis |
|
361 | b7d38981 | Dimitris Aragiorgis | If link or mac_prefix equals to "pool", then the resources
|
362 | b7d38981 | Dimitris Aragiorgis | are allocated from the corresponding Pools.
|
363 | b7d38981 | Dimitris Aragiorgis |
|
364 | b7d38981 | Dimitris Aragiorgis | """
|
365 | b7d38981 | Dimitris Aragiorgis | try:
|
366 | b7d38981 | Dimitris Aragiorgis | flavor = Network.FLAVORS[flavor] |
367 | b7d38981 | Dimitris Aragiorgis | except KeyError: |
368 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest("Unknown network flavor") |
369 | b7d38981 | Dimitris Aragiorgis | |
370 | b7d38981 | Dimitris Aragiorgis | mode = flavor.get("mode")
|
371 | b7d38981 | Dimitris Aragiorgis | |
372 | b7d38981 | Dimitris Aragiorgis | link = flavor.get("link")
|
373 | b7d38981 | Dimitris Aragiorgis | if link == "pool": |
374 | b7d38981 | Dimitris Aragiorgis | link = allocate_resource("bridge")
|
375 | b7d38981 | Dimitris Aragiorgis | |
376 | b7d38981 | Dimitris Aragiorgis | mac_prefix = flavor.get("mac_prefix")
|
377 | b7d38981 | Dimitris Aragiorgis | if mac_prefix == "pool": |
378 | b7d38981 | Dimitris Aragiorgis | mac_prefix = allocate_resource("mac_prefix")
|
379 | b7d38981 | Dimitris Aragiorgis | |
380 | b7d38981 | Dimitris Aragiorgis | tags = flavor.get("tags")
|
381 | b7d38981 | Dimitris Aragiorgis | |
382 | b7d38981 | Dimitris Aragiorgis | return mode, link, mac_prefix, tags
|
383 | b7d38981 | Dimitris Aragiorgis | |
384 | b7d38981 | Dimitris Aragiorgis | |
385 | b7d38981 | Dimitris Aragiorgis | def allocate_resource(res_type): |
386 | b7d38981 | Dimitris Aragiorgis | table = get_pool_table(res_type) |
387 | b7d38981 | Dimitris Aragiorgis | pool = table.get_pool() |
388 | b7d38981 | Dimitris Aragiorgis | value = pool.get() |
389 | b7d38981 | Dimitris Aragiorgis | pool.save() |
390 | b7d38981 | Dimitris Aragiorgis | return value
|
391 | b7d38981 | Dimitris Aragiorgis | |
392 | b7d38981 | Dimitris Aragiorgis | |
393 | b7d38981 | Dimitris Aragiorgis | def release_resource(res_type, value): |
394 | b7d38981 | Dimitris Aragiorgis | table = get_pool_table(res_type) |
395 | b7d38981 | Dimitris Aragiorgis | pool = table.get_pool() |
396 | b7d38981 | Dimitris Aragiorgis | pool.put(value) |
397 | b7d38981 | Dimitris Aragiorgis | pool.save() |
398 | b7d38981 | Dimitris Aragiorgis | |
399 | b7d38981 | Dimitris Aragiorgis | |
400 | b7d38981 | Dimitris Aragiorgis | def get_pool_table(res_type): |
401 | b7d38981 | Dimitris Aragiorgis | if res_type == "bridge": |
402 | b7d38981 | Dimitris Aragiorgis | return BridgePoolTable
|
403 | b7d38981 | Dimitris Aragiorgis | elif res_type == "mac_prefix": |
404 | b7d38981 | Dimitris Aragiorgis | return MacPrefixPoolTable
|
405 | b7d38981 | Dimitris Aragiorgis | else:
|
406 | b7d38981 | Dimitris Aragiorgis | raise Exception("Unknown resource type") |
407 | 55f562a4 | Kostas Papadimitriou | |
408 | 55f562a4 | Kostas Papadimitriou | |
409 | 55f562a4 | Kostas Papadimitriou | def get_existing_users(): |
410 | 55f562a4 | Kostas Papadimitriou | """
|
411 | 55f562a4 | Kostas Papadimitriou | Retrieve user ids stored in cyclades user agnostic models.
|
412 | 55f562a4 | Kostas Papadimitriou | """
|
413 | 55f562a4 | Kostas Papadimitriou | # also check PublicKeys a user with no servers/networks exist
|
414 | b47b110d | Kostas Papadimitriou | from synnefo.userdata.models import PublicKeyPair |
415 | 55f562a4 | Kostas Papadimitriou | from synnefo.db.models import VirtualMachine, Network |
416 | 55f562a4 | Kostas Papadimitriou | |
417 | 55f562a4 | Kostas Papadimitriou | keypairusernames = PublicKeyPair.objects.filter().values_list('user',
|
418 | e440e835 | Christos Stavrakakis | flat=True)
|
419 | 55f562a4 | Kostas Papadimitriou | serverusernames = VirtualMachine.objects.filter().values_list('userid',
|
420 | e440e835 | Christos Stavrakakis | flat=True)
|
421 | 55f562a4 | Kostas Papadimitriou | networkusernames = Network.objects.filter().values_list('userid',
|
422 | 55f562a4 | Kostas Papadimitriou | flat=True)
|
423 | 55f562a4 | Kostas Papadimitriou | |
424 | e440e835 | Christos Stavrakakis | return set(list(keypairusernames) + list(serverusernames) + |
425 | e440e835 | Christos Stavrakakis | list(networkusernames))
|
426 | 1b696c26 | Christos Stavrakakis | |
427 | 1b696c26 | Christos Stavrakakis | |
428 | 1b696c26 | Christos Stavrakakis | def vm_to_links(vm_id): |
429 | 73fbaad3 | Christos Stavrakakis | href = join_urls(SERVERS_URL, str(vm_id))
|
430 | 73fbaad3 | Christos Stavrakakis | return [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
431 | 1b696c26 | Christos Stavrakakis | |
432 | 1b696c26 | Christos Stavrakakis | |
433 | 1b696c26 | Christos Stavrakakis | def network_to_links(network_id): |
434 | 73fbaad3 | Christos Stavrakakis | href = join_urls(NETWORKS_URL, str(network_id))
|
435 | 73fbaad3 | Christos Stavrakakis | return [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
436 | 1b696c26 | Christos Stavrakakis | |
437 | 1b696c26 | Christos Stavrakakis | |
438 | 24ea227b | Dionysis Grigoropoulos | def subnet_to_links(subnet_id): |
439 | 24ea227b | Dionysis Grigoropoulos | href = join_urls(SUBNETS_URL, str(subnet_id))
|
440 | 24ea227b | Dionysis Grigoropoulos | return [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
441 | 24ea227b | Dionysis Grigoropoulos | |
442 | 24ea227b | Dionysis Grigoropoulos | |
443 | 24ea227b | Dionysis Grigoropoulos | def port_to_links(port_id): |
444 | 24ea227b | Dionysis Grigoropoulos | href = join_urls(PORTS_URL, str(port_id))
|
445 | 24ea227b | Dionysis Grigoropoulos | return [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
446 | 24ea227b | Dionysis Grigoropoulos | |
447 | 24ea227b | Dionysis Grigoropoulos | |
448 | 1b696c26 | Christos Stavrakakis | def flavor_to_links(flavor_id): |
449 | 73fbaad3 | Christos Stavrakakis | href = join_urls(FLAVORS_URL, str(flavor_id))
|
450 | 73fbaad3 | Christos Stavrakakis | return [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
451 | 1b696c26 | Christos Stavrakakis | |
452 | 1b696c26 | Christos Stavrakakis | |
453 | 1b696c26 | Christos Stavrakakis | def image_to_links(image_id): |
454 | 73fbaad3 | Christos Stavrakakis | href = join_urls(IMAGES_URL, str(image_id))
|
455 | 73fbaad3 | Christos Stavrakakis | links = [{"rel": rel, "href": href} for rel in ("self", "bookmark")] |
456 | 1b696c26 | Christos Stavrakakis | links.append({"rel": "alternate", |
457 | 73fbaad3 | Christos Stavrakakis | "href": join_urls(IMAGES_PLANKTON_URL, str(image_id))}) |
458 | 1b696c26 | Christos Stavrakakis | return links
|
459 | 41a7fae7 | Christos Stavrakakis | |
460 | 32e4e343 | Christos Stavrakakis | |
461 | 41a7fae7 | Christos Stavrakakis | def start_action(vm, action, jobId): |
462 | 41a7fae7 | Christos Stavrakakis | vm.action = action |
463 | 41a7fae7 | Christos Stavrakakis | vm.backendjobid = jobId |
464 | 41a7fae7 | Christos Stavrakakis | vm.backendopcode = None
|
465 | 41a7fae7 | Christos Stavrakakis | vm.backendjobstatus = None
|
466 | 41a7fae7 | Christos Stavrakakis | vm.backendlogmsg = None
|
467 | 41a7fae7 | Christos Stavrakakis | vm.save() |