root / api / actions.py @ aa197ee4
History | View | Annotate | Download (9.3 kB)
1 |
#
|
---|---|
2 |
# Copyright (c) 2010 Greek Research and Technology Network
|
3 |
#
|
4 |
|
5 |
from socket import getfqdn |
6 |
|
7 |
from django.conf import settings |
8 |
from django.http import HttpResponse |
9 |
from django.template.loader import render_to_string |
10 |
from django.utils import simplejson as json |
11 |
|
12 |
from synnefo.api.faults import BadRequest, ServiceUnavailable |
13 |
from synnefo.api.util import random_password, get_vm |
14 |
from synnefo.util.vapclient import request_forwarding as request_vnc_forwarding |
15 |
from synnefo.logic.backend import (reboot_instance, startup_instance, shutdown_instance, |
16 |
get_instance_console) |
17 |
from synnefo.logic.utils import get_rsapi_state |
18 |
|
19 |
|
20 |
server_actions = {} |
21 |
network_actions = {} |
22 |
|
23 |
|
24 |
def server_action(name): |
25 |
'''Decorator for functions implementing server actions.
|
26 |
`name` is the key in the dict passed by the client.
|
27 |
'''
|
28 |
|
29 |
def decorator(func): |
30 |
server_actions[name] = func |
31 |
return func
|
32 |
return decorator
|
33 |
|
34 |
def network_action(name): |
35 |
'''Decorator for functions implementing network actions.
|
36 |
`name` is the key in the dict passed by the client.
|
37 |
'''
|
38 |
|
39 |
def decorator(func): |
40 |
network_actions[name] = func |
41 |
return func
|
42 |
return decorator
|
43 |
|
44 |
|
45 |
@server_action('changePassword') |
46 |
def change_password(request, vm, args): |
47 |
# Normal Response Code: 202
|
48 |
# Error Response Codes: computeFault (400, 500),
|
49 |
# serviceUnavailable (503),
|
50 |
# unauthorized (401),
|
51 |
# badRequest (400),
|
52 |
# badMediaType(415),
|
53 |
# itemNotFound (404),
|
54 |
# buildInProgress (409),
|
55 |
# overLimit (413)
|
56 |
|
57 |
try:
|
58 |
password = args['adminPass']
|
59 |
except KeyError: |
60 |
raise BadRequest('Malformed request.') |
61 |
|
62 |
raise ServiceUnavailable('Changing password is not supported.') |
63 |
|
64 |
@server_action('reboot') |
65 |
def reboot(request, vm, args): |
66 |
# Normal Response Code: 202
|
67 |
# Error Response Codes: computeFault (400, 500),
|
68 |
# serviceUnavailable (503),
|
69 |
# unauthorized (401),
|
70 |
# badRequest (400),
|
71 |
# badMediaType(415),
|
72 |
# itemNotFound (404),
|
73 |
# buildInProgress (409),
|
74 |
# overLimit (413)
|
75 |
|
76 |
reboot_type = args.get('type', '') |
77 |
if reboot_type not in ('SOFT', 'HARD'): |
78 |
raise BadRequest('Malformed Request.') |
79 |
reboot_instance(vm, reboot_type.lower()) |
80 |
return HttpResponse(status=202) |
81 |
|
82 |
@server_action('start') |
83 |
def start(request, vm, args): |
84 |
# Normal Response Code: 202
|
85 |
# Error Response Codes: serviceUnavailable (503),
|
86 |
# itemNotFound (404)
|
87 |
|
88 |
if args:
|
89 |
raise BadRequest('Malformed Request.') |
90 |
startup_instance(vm) |
91 |
return HttpResponse(status=202) |
92 |
|
93 |
@server_action('shutdown') |
94 |
def shutdown(request, vm, args): |
95 |
# Normal Response Code: 202
|
96 |
# Error Response Codes: serviceUnavailable (503),
|
97 |
# itemNotFound (404)
|
98 |
|
99 |
if args:
|
100 |
raise BadRequest('Malformed Request.') |
101 |
shutdown_instance(vm) |
102 |
return HttpResponse(status=202) |
103 |
|
104 |
@server_action('rebuild') |
105 |
def rebuild(request, vm, args): |
106 |
# Normal Response Code: 202
|
107 |
# Error Response Codes: computeFault (400, 500),
|
108 |
# serviceUnavailable (503),
|
109 |
# unauthorized (401),
|
110 |
# badRequest (400),
|
111 |
# badMediaType(415),
|
112 |
# itemNotFound (404),
|
113 |
# buildInProgress (409),
|
114 |
# serverCapacityUnavailable (503),
|
115 |
# overLimit (413)
|
116 |
|
117 |
raise ServiceUnavailable('Rebuild not supported.') |
118 |
|
119 |
@server_action('resize') |
120 |
def resize(request, vm, args): |
121 |
# Normal Response Code: 202
|
122 |
# Error Response Codes: computeFault (400, 500),
|
123 |
# serviceUnavailable (503),
|
124 |
# unauthorized (401),
|
125 |
# badRequest (400),
|
126 |
# badMediaType(415),
|
127 |
# itemNotFound (404),
|
128 |
# buildInProgress (409),
|
129 |
# serverCapacityUnavailable (503),
|
130 |
# overLimit (413),
|
131 |
# resizeNotAllowed (403)
|
132 |
|
133 |
raise ServiceUnavailable('Resize not supported.') |
134 |
|
135 |
@server_action('confirmResize') |
136 |
def confirm_resize(request, vm, args): |
137 |
# Normal Response Code: 204
|
138 |
# Error Response Codes: computeFault (400, 500),
|
139 |
# serviceUnavailable (503),
|
140 |
# unauthorized (401),
|
141 |
# badRequest (400),
|
142 |
# badMediaType(415),
|
143 |
# itemNotFound (404),
|
144 |
# buildInProgress (409),
|
145 |
# serverCapacityUnavailable (503),
|
146 |
# overLimit (413),
|
147 |
# resizeNotAllowed (403)
|
148 |
|
149 |
raise ServiceUnavailable('Resize not supported.') |
150 |
|
151 |
@server_action('revertResize') |
152 |
def revert_resize(request, vm, args): |
153 |
# Normal Response Code: 202
|
154 |
# Error Response Codes: computeFault (400, 500),
|
155 |
# serviceUnavailable (503),
|
156 |
# unauthorized (401),
|
157 |
# badRequest (400),
|
158 |
# badMediaType(415),
|
159 |
# itemNotFound (404),
|
160 |
# buildInProgress (409),
|
161 |
# serverCapacityUnavailable (503),
|
162 |
# overLimit (413),
|
163 |
# resizeNotAllowed (403)
|
164 |
|
165 |
raise ServiceUnavailable('Resize not supported.') |
166 |
|
167 |
@server_action('console') |
168 |
def get_console(request, vm, args): |
169 |
"""Arrange for an OOB console of the specified type
|
170 |
|
171 |
This method arranges for an OOB console of the specified type.
|
172 |
Only consoles of type "vnc" are supported for now.
|
173 |
|
174 |
It uses a running instance of vncauthproxy to setup proper
|
175 |
VNC forwarding with a random password, then returns the necessary
|
176 |
VNC connection info to the caller.
|
177 |
"""
|
178 |
# Normal Response Code: 200
|
179 |
# Error Response Codes: computeFault (400, 500),
|
180 |
# serviceUnavailable (503),
|
181 |
# unauthorized (401),
|
182 |
# badRequest (400),
|
183 |
# badMediaType(415),
|
184 |
# itemNotFound (404),
|
185 |
# buildInProgress (409),
|
186 |
# overLimit (413)
|
187 |
|
188 |
console_type = args.get('type', '') |
189 |
if console_type != 'vnc': |
190 |
raise BadRequest('Type can only be "vnc".') |
191 |
|
192 |
# Use RAPI to get VNC console information for this instance
|
193 |
if get_rsapi_state(vm) != 'ACTIVE': |
194 |
raise BadRequest('Server not in ACTIVE state.') |
195 |
|
196 |
if settings.TEST:
|
197 |
console_data = {'kind': 'vnc', 'host': 'ganeti_node', 'port': 1000} |
198 |
else:
|
199 |
console_data = get_instance_console(vm) |
200 |
|
201 |
if console_data['kind'] != 'vnc': |
202 |
raise ServiceUnavailable('Could not create a console of requested type.') |
203 |
|
204 |
# Let vncauthproxy decide on the source port.
|
205 |
# The alternative: static allocation, e.g.
|
206 |
# sport = console_data['port'] - 1000
|
207 |
sport = 0
|
208 |
daddr = console_data['host']
|
209 |
dport = console_data['port']
|
210 |
password = random_password() |
211 |
|
212 |
try:
|
213 |
if settings.TEST:
|
214 |
fwd = {'source_port': 1234, 'status': 'OK'} |
215 |
else:
|
216 |
fwd = request_vnc_forwarding(sport, daddr, dport, password) |
217 |
except Exception: |
218 |
raise ServiceUnavailable('Could not allocate VNC console port.') |
219 |
|
220 |
if fwd['status'] != "OK": |
221 |
raise ServiceUnavailable('Could not allocate VNC console.') |
222 |
|
223 |
console = { |
224 |
'type': 'vnc', |
225 |
'host': getfqdn(),
|
226 |
'port': fwd['source_port'], |
227 |
'password': password}
|
228 |
|
229 |
if request.serialization == 'xml': |
230 |
mimetype = 'application/xml'
|
231 |
data = render_to_string('console.xml', {'console': console}) |
232 |
else:
|
233 |
mimetype = 'application/json'
|
234 |
data = json.dumps({'console': console})
|
235 |
|
236 |
return HttpResponse(data, mimetype=mimetype, status=200) |
237 |
|
238 |
|
239 |
@network_action('add') |
240 |
def add(request, net, args): |
241 |
# Normal Response Code: 202
|
242 |
# Error Response Codes: computeFault (400, 500),
|
243 |
# serviceUnavailable (503),
|
244 |
# unauthorized (401),
|
245 |
# badRequest (400),
|
246 |
# badMediaType(415),
|
247 |
# itemNotFound (404),
|
248 |
# overLimit (413)
|
249 |
|
250 |
server_id = args.get('serverRef', None) |
251 |
if not server_id: |
252 |
raise BadRequest('Malformed Request.') |
253 |
vm = get_vm(server_id, request.user) |
254 |
net.machines.add(vm) |
255 |
net.save() |
256 |
return HttpResponse(status=202) |
257 |
|
258 |
@network_action('remove') |
259 |
def remove(request, net, args): |
260 |
# Normal Response Code: 202
|
261 |
# Error Response Codes: computeFault (400, 500),
|
262 |
# serviceUnavailable (503),
|
263 |
# unauthorized (401),
|
264 |
# badRequest (400),
|
265 |
# badMediaType(415),
|
266 |
# itemNotFound (404),
|
267 |
# overLimit (413)
|
268 |
|
269 |
server_id = args.get('serverRef', None) |
270 |
if not server_id: |
271 |
raise BadRequest('Malformed Request.') |
272 |
vm = get_vm(server_id, request.user) |
273 |
net.machines.remove(vm) |
274 |
net.save() |
275 |
return HttpResponse(status=202) |