1 | # |
---|
2 | # Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu> |
---|
3 | # |
---|
4 | # This program is free software: you can redistribute it and/or modify it under |
---|
5 | # the terms of the GNU Affero General Public License as published by the |
---|
6 | # Free Software Foundation; either version 3 of the License, or |
---|
7 | # (at your option) any later version. |
---|
8 | |
---|
9 | import threading |
---|
10 | import platform |
---|
11 | import time |
---|
12 | from enum import Enum |
---|
13 | import json |
---|
14 | import queue |
---|
15 | import sys |
---|
16 | import os |
---|
17 | import signal |
---|
18 | import logging |
---|
19 | from logging.handlers import SysLogHandler |
---|
20 | |
---|
21 | from src.restRequest import * |
---|
22 | |
---|
23 | LOGGER = logging.getLogger() |
---|
24 | |
---|
25 | class ThreadState(Enum): |
---|
26 | IDLE = 0 |
---|
27 | BUSY = 1 |
---|
28 | |
---|
29 | class jsonBody(): |
---|
30 | def __init__(self, dictionary=None): |
---|
31 | if dictionary: |
---|
32 | self.jsontree = dictionary |
---|
33 | else: |
---|
34 | self.jsontree = {} |
---|
35 | |
---|
36 | def add_element(self, key, value): |
---|
37 | self.jsontree[key] = value |
---|
38 | |
---|
39 | def dump(self): |
---|
40 | return json.dumps(self.jsontree) |
---|
41 | |
---|
42 | class restResponse(): |
---|
43 | def __init__(self, response, json_body=None): |
---|
44 | self.msg = '' |
---|
45 | if response == ogResponses.BAD_REQUEST: |
---|
46 | self.msg = 'HTTP/1.0 400 Bad Request' |
---|
47 | elif response == ogResponses.IN_PROGRESS: |
---|
48 | self.msg = 'HTTP/1.0 202 Accepted' |
---|
49 | elif response == ogResponses.OK: |
---|
50 | self.msg = 'HTTP/1.0 200 OK' |
---|
51 | elif response == ogResponses.INTERNAL_ERR: |
---|
52 | self.msg = 'HTTP/1.0 500 Internal Server Error' |
---|
53 | elif response == ogResponses.UNAUTHORIZED: |
---|
54 | self.msg = 'HTTP/1.0 401 Unauthorized' |
---|
55 | elif response == ogResponses.SERVICE_UNAVAILABLE: |
---|
56 | self.msg = 'HTTP/1.0 503 Service Unavailable' |
---|
57 | elif response == ogResponses.EARLY_HINTS: |
---|
58 | self.msg = 'HTTP/1.0 103 Early Hints' |
---|
59 | else: |
---|
60 | return self.msg |
---|
61 | |
---|
62 | if response in {ogResponses.OK, ogResponses.IN_PROGRESS}: |
---|
63 | LOGGER.info(self.msg[:ogRest.LOG_LENGTH]) |
---|
64 | else: |
---|
65 | LOGGER.warn(self.msg[:ogRest.LOG_LENGTH]) |
---|
66 | |
---|
67 | self.msg += '\r\n' |
---|
68 | |
---|
69 | if json_body: |
---|
70 | self.msg += 'Content-Length: ' + str(len(json_body.dump())) |
---|
71 | self.msg += '\r\nContent-Type: application/json' |
---|
72 | self.msg += '\r\n\r\n' + json_body.dump() |
---|
73 | else: |
---|
74 | self.msg += 'Content-Length: 0\r\n' \ |
---|
75 | 'Content-Type: application/json\r\n\r\n' |
---|
76 | |
---|
77 | |
---|
78 | def get(self): |
---|
79 | return self.msg |
---|
80 | |
---|
81 | class ogThread(): |
---|
82 | def shellrun(client, request, ogRest): |
---|
83 | if not request.getrun(): |
---|
84 | response = restResponse(ogResponses.BAD_REQUEST) |
---|
85 | client.send(response.get()) |
---|
86 | ogRest.state = ThreadState.IDLE |
---|
87 | return |
---|
88 | |
---|
89 | try: |
---|
90 | shellout = ogRest.operations.shellrun(request, ogRest) |
---|
91 | except ValueError as err: |
---|
92 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
93 | client.send(response.get()) |
---|
94 | ogRest.state = ThreadState.IDLE |
---|
95 | return |
---|
96 | |
---|
97 | if request.getEcho(): |
---|
98 | json_body = jsonBody() |
---|
99 | json_body.add_element('out', shellout) |
---|
100 | response = restResponse(ogResponses.OK, json_body) |
---|
101 | client.send(response.get()) |
---|
102 | else: |
---|
103 | response = restResponse(ogResponses.OK) |
---|
104 | client.send(response.get()) |
---|
105 | |
---|
106 | ogRest.state = ThreadState.IDLE |
---|
107 | |
---|
108 | def poweroff(ogRest): |
---|
109 | time.sleep(2) |
---|
110 | ogRest.operations.poweroff() |
---|
111 | |
---|
112 | def reboot(ogRest): |
---|
113 | ogRest.operations.reboot() |
---|
114 | |
---|
115 | def session(client, request, ogRest): |
---|
116 | try: |
---|
117 | ogRest.operations.session(request, ogRest) |
---|
118 | except ValueError as err: |
---|
119 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
120 | client.send(response.get()) |
---|
121 | ogRest.state = ThreadState.IDLE |
---|
122 | return |
---|
123 | |
---|
124 | response = restResponse(ogResponses.OK) |
---|
125 | client.send(response.get()) |
---|
126 | client.disconnect() |
---|
127 | |
---|
128 | def software(client, request, path, ogRest): |
---|
129 | try: |
---|
130 | software = ogRest.operations.software(request, path, ogRest) |
---|
131 | except ValueError as err: |
---|
132 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
133 | client.send(response.get()) |
---|
134 | ogRest.state = ThreadState.IDLE |
---|
135 | return |
---|
136 | |
---|
137 | json_body = jsonBody() |
---|
138 | json_body.add_element('partition', request.getPartition()) |
---|
139 | json_body.add_element('software', software) |
---|
140 | |
---|
141 | response = restResponse(ogResponses.OK, json_body) |
---|
142 | client.send(response.get()) |
---|
143 | ogRest.state = ThreadState.IDLE |
---|
144 | |
---|
145 | def hardware(client, path, ogRest): |
---|
146 | try: |
---|
147 | ogRest.operations.hardware(path, ogRest) |
---|
148 | except ValueError as err: |
---|
149 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
150 | client.send(response.get()) |
---|
151 | ogRest.state = ThreadState.IDLE |
---|
152 | return |
---|
153 | |
---|
154 | json_body = jsonBody() |
---|
155 | with open(path, 'r') as f: |
---|
156 | json_body.add_element('hardware', f.read()) |
---|
157 | |
---|
158 | response = restResponse(ogResponses.OK, json_body) |
---|
159 | client.send(response.get()) |
---|
160 | ogRest.state = ThreadState.IDLE |
---|
161 | |
---|
162 | def setup(client, request, ogRest): |
---|
163 | try: |
---|
164 | out = ogRest.operations.setup(request, ogRest) |
---|
165 | except ValueError as err: |
---|
166 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
167 | client.send(response.get()) |
---|
168 | ogRest.state = ThreadState.IDLE |
---|
169 | return |
---|
170 | |
---|
171 | json_body = jsonBody(out) |
---|
172 | |
---|
173 | response = restResponse(ogResponses.OK, json_body) |
---|
174 | client.send(response.get()) |
---|
175 | ogRest.state = ThreadState.IDLE |
---|
176 | |
---|
177 | def image_restore(client, request, ogRest): |
---|
178 | try: |
---|
179 | ogRest.operations.image_restore(request, ogRest) |
---|
180 | except ValueError as err: |
---|
181 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
182 | client.send(response.get()) |
---|
183 | ogRest.state = ThreadState.IDLE |
---|
184 | return |
---|
185 | |
---|
186 | json_body = jsonBody() |
---|
187 | json_body.add_element('disk', request.getDisk()) |
---|
188 | json_body.add_element('partition', request.getPartition()) |
---|
189 | json_body.add_element('image_id', request.getId()) |
---|
190 | |
---|
191 | response = restResponse(ogResponses.OK, json_body) |
---|
192 | client.send(response.get()) |
---|
193 | ogRest.state = ThreadState.IDLE |
---|
194 | |
---|
195 | def image_create(client, path, request, ogRest): |
---|
196 | try: |
---|
197 | image_info = ogRest.operations.image_create(path, |
---|
198 | request, |
---|
199 | ogRest) |
---|
200 | software = ogRest.operations.software(request, path, ogRest) |
---|
201 | except ValueError as err: |
---|
202 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
203 | client.send(response.get()) |
---|
204 | ogRest.state = ThreadState.IDLE |
---|
205 | return |
---|
206 | |
---|
207 | kibi = 1024 |
---|
208 | datasize = int(image_info['datasize']) * kibi |
---|
209 | |
---|
210 | json_body = jsonBody() |
---|
211 | json_body.add_element('disk', request.getDisk()) |
---|
212 | json_body.add_element('partition', request.getPartition()) |
---|
213 | json_body.add_element('code', request.getCode()) |
---|
214 | json_body.add_element('id', request.getId()) |
---|
215 | json_body.add_element('name', request.getName()) |
---|
216 | json_body.add_element('repository', request.getRepo()) |
---|
217 | json_body.add_element('software', software) |
---|
218 | json_body.add_element('clonator', image_info['clonator']) |
---|
219 | json_body.add_element('compressor', image_info['compressor']) |
---|
220 | json_body.add_element('filesystem', image_info['filesystem']) |
---|
221 | json_body.add_element('datasize', datasize) |
---|
222 | |
---|
223 | response = restResponse(ogResponses.OK, json_body) |
---|
224 | client.send(response.get()) |
---|
225 | ogRest.state = ThreadState.IDLE |
---|
226 | |
---|
227 | def refresh(client, ogRest): |
---|
228 | try: |
---|
229 | out = ogRest.operations.refresh(ogRest) |
---|
230 | except ValueError as err: |
---|
231 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
232 | client.send(response.get()) |
---|
233 | ogRest.state = ThreadState.IDLE |
---|
234 | return |
---|
235 | |
---|
236 | json_body = jsonBody(out) |
---|
237 | |
---|
238 | response = restResponse(ogResponses.OK, json_body) |
---|
239 | client.send(response.get()) |
---|
240 | ogRest.state = ThreadState.IDLE |
---|
241 | |
---|
242 | class ogResponses(Enum): |
---|
243 | BAD_REQUEST=0 |
---|
244 | IN_PROGRESS=1 |
---|
245 | OK=2 |
---|
246 | INTERNAL_ERR=3 |
---|
247 | UNAUTHORIZED=4 |
---|
248 | SERVICE_UNAVAILABLE=5 |
---|
249 | EARLY_HINTS=6 |
---|
250 | |
---|
251 | class ogRest(): |
---|
252 | LOG_LENGTH = 32 |
---|
253 | |
---|
254 | def __init__(self, config): |
---|
255 | self.proc = None |
---|
256 | self.terminated = False |
---|
257 | self.state = ThreadState.IDLE |
---|
258 | self.CONFIG = config |
---|
259 | self.mode = self.CONFIG['opengnsys']['mode'] |
---|
260 | self.samba_config = self.CONFIG['samba'] |
---|
261 | |
---|
262 | if self.mode == 'live': |
---|
263 | from src.live.ogOperations import OgLiveOperations |
---|
264 | self.operations = OgLiveOperations(self.CONFIG) |
---|
265 | elif self.mode == 'virtual': |
---|
266 | from src.virtual.ogOperations import \ |
---|
267 | OgVirtualOperations |
---|
268 | self.operations = OgVirtualOperations() |
---|
269 | threading.Thread(target=self.operations.check_vm_state_loop, |
---|
270 | args=(self,)).start() |
---|
271 | elif self.mode == 'linux': |
---|
272 | from src.linux.ogOperations import OgLinuxOperations |
---|
273 | self.operations = OgLinuxOperations() |
---|
274 | elif self.mode == 'windows': |
---|
275 | from src.windows.ogOperations import OgWindowsOperations |
---|
276 | self.operations = OgWindowsOperations() |
---|
277 | else: |
---|
278 | raise ValueError('Mode not supported.') |
---|
279 | |
---|
280 | def process_request(self, request, client): |
---|
281 | method = request.get_method() |
---|
282 | URI = request.get_uri() |
---|
283 | |
---|
284 | LOGGER.debug('%s%s', method, URI[:ogRest.LOG_LENGTH]) |
---|
285 | |
---|
286 | if (not "stop" in URI and |
---|
287 | not "reboot" in URI and |
---|
288 | not "poweroff" in URI and |
---|
289 | not "probe" in URI): |
---|
290 | if self.state == ThreadState.BUSY: |
---|
291 | LOGGER.warn('Request has been received ' |
---|
292 | 'while ogClient is busy') |
---|
293 | response = restResponse(ogResponses.SERVICE_UNAVAILABLE) |
---|
294 | client.send(response.get()) |
---|
295 | return |
---|
296 | else: |
---|
297 | self.state = ThreadState.BUSY |
---|
298 | |
---|
299 | if ("GET" in method): |
---|
300 | if "hardware" in URI: |
---|
301 | self.process_hardware(client) |
---|
302 | elif ("software" in URI): |
---|
303 | self.process_software(client, request) |
---|
304 | elif ("run/schedule" in URI): |
---|
305 | self.process_schedule(client) |
---|
306 | elif "refresh" in URI: |
---|
307 | self.process_refresh(client) |
---|
308 | else: |
---|
309 | LOGGER.warn('Unsupported request: %s', |
---|
310 | {URI[:ogRest.LOG_LENGTH]}) |
---|
311 | response = restResponse(ogResponses.BAD_REQUEST) |
---|
312 | client.send(response.get()) |
---|
313 | self.state = ThreadState.IDLE |
---|
314 | elif ("POST" in method): |
---|
315 | if ("poweroff" in URI): |
---|
316 | self.process_poweroff(client) |
---|
317 | elif "probe" in URI: |
---|
318 | self.process_probe(client) |
---|
319 | elif ("reboot" in URI): |
---|
320 | self.process_reboot(client) |
---|
321 | elif ("shell/run" in URI): |
---|
322 | self.process_shellrun(client, request) |
---|
323 | elif ("session" in URI): |
---|
324 | self.process_session(client, request) |
---|
325 | elif ("setup" in URI): |
---|
326 | self.process_setup(client, request) |
---|
327 | elif ("image/restore" in URI): |
---|
328 | self.process_imagerestore(client, request) |
---|
329 | elif ("stop" in URI): |
---|
330 | self.process_stop(client) |
---|
331 | elif ("image/create" in URI): |
---|
332 | self.process_imagecreate(client, request) |
---|
333 | else: |
---|
334 | LOGGER.warn('Unsupported request: %s', |
---|
335 | URI[:ogRest.LOG_LENGTH]) |
---|
336 | response = restResponse(ogResponses.BAD_REQUEST) |
---|
337 | client.send(response.get()) |
---|
338 | self.state = ThreadState.IDLE |
---|
339 | else: |
---|
340 | response = restResponse(ogResponses.BAD_REQUEST) |
---|
341 | client.send(response.get()) |
---|
342 | self.state = ThreadState.IDLE |
---|
343 | |
---|
344 | return 0 |
---|
345 | |
---|
346 | def kill_process(self): |
---|
347 | try: |
---|
348 | os.kill(self.proc.pid, signal.SIGTERM) |
---|
349 | except: |
---|
350 | pass |
---|
351 | |
---|
352 | time.sleep(2) |
---|
353 | try: |
---|
354 | os.kill(self.proc.pid, signal.SIGKILL) |
---|
355 | except: |
---|
356 | pass |
---|
357 | |
---|
358 | self.state = ThreadState.IDLE |
---|
359 | |
---|
360 | def process_reboot(self, client): |
---|
361 | response = restResponse(ogResponses.IN_PROGRESS) |
---|
362 | client.send(response.get()) |
---|
363 | |
---|
364 | if self.mode != 'virtual': |
---|
365 | client.disconnect() |
---|
366 | if self.state == ThreadState.BUSY: |
---|
367 | self.kill_process() |
---|
368 | |
---|
369 | threading.Thread(target=ogThread.reboot, args=(self,)).start() |
---|
370 | |
---|
371 | def process_poweroff(self, client): |
---|
372 | response = restResponse(ogResponses.IN_PROGRESS) |
---|
373 | client.send(response.get()) |
---|
374 | |
---|
375 | if self.mode != 'virtual': |
---|
376 | client.disconnect() |
---|
377 | if self.state == ThreadState.BUSY: |
---|
378 | self.kill_process() |
---|
379 | |
---|
380 | threading.Thread(target=ogThread.poweroff, args=(self,)).start() |
---|
381 | |
---|
382 | def process_probe(self, client): |
---|
383 | try: |
---|
384 | status = self.operations.probe(self) |
---|
385 | except: |
---|
386 | response = restResponse(ogResponses.INTERNAL_ERR) |
---|
387 | client.send(response.get()) |
---|
388 | return |
---|
389 | |
---|
390 | json_body = jsonBody() |
---|
391 | for k, v in status.items(): |
---|
392 | json_body.add_element(k, v) |
---|
393 | |
---|
394 | if self.state != ThreadState.BUSY: |
---|
395 | response = restResponse(ogResponses.OK, json_body) |
---|
396 | else: |
---|
397 | response = restResponse(ogResponses.IN_PROGRESS, json_body) |
---|
398 | |
---|
399 | client.send(response.get()) |
---|
400 | |
---|
401 | def process_shellrun(self, client, request): |
---|
402 | threading.Thread(target=ogThread.shellrun, args=(client, request, self,)).start() |
---|
403 | |
---|
404 | def process_session(self, client, request): |
---|
405 | threading.Thread(target=ogThread.session, args=(client, request, self,)).start() |
---|
406 | |
---|
407 | def process_software(self, client, request): |
---|
408 | path = '/tmp/CSft-' + client.ip + '-' + str(request.getPartition()) |
---|
409 | threading.Thread(target=ogThread.software, args=(client, request, path, self,)).start() |
---|
410 | |
---|
411 | def process_hardware(self, client): |
---|
412 | path = '/tmp/Chrd-' + client.ip |
---|
413 | threading.Thread(target=ogThread.hardware, args=(client, path, self,)).start() |
---|
414 | |
---|
415 | def process_schedule(self, client): |
---|
416 | response = restResponse(ogResponses.OK) |
---|
417 | client.send(response.get()) |
---|
418 | self.state = ThreadState.IDLE |
---|
419 | |
---|
420 | def process_setup(self, client, request): |
---|
421 | threading.Thread(target=ogThread.setup, args=(client, request, self,)).start() |
---|
422 | |
---|
423 | def process_imagerestore(self, client, request): |
---|
424 | threading.Thread(target=ogThread.image_restore, args=(client, request, self,)).start() |
---|
425 | |
---|
426 | def process_stop(self, client): |
---|
427 | client.disconnect() |
---|
428 | if self.state == ThreadState.BUSY: |
---|
429 | self.kill_process() |
---|
430 | self.terminated = True |
---|
431 | |
---|
432 | sys.exit(0) |
---|
433 | |
---|
434 | def process_imagecreate(self, client, request): |
---|
435 | path = '/tmp/CSft-' + client.ip + '-' + request.getPartition() |
---|
436 | threading.Thread(target=ogThread.image_create, args=(client, path, request, self,)).start() |
---|
437 | |
---|
438 | def process_refresh(self, client): |
---|
439 | threading.Thread(target=ogThread.refresh, args=(client, self,)).start() |
---|