1 | #!/usr/local/bin/python |
---|
2 | |
---|
3 | import os,sys |
---|
4 | import stat # for chmod constants |
---|
5 | import re |
---|
6 | import random |
---|
7 | import string |
---|
8 | import copy |
---|
9 | import pickle |
---|
10 | import logging |
---|
11 | import subprocess |
---|
12 | |
---|
13 | from threading import * |
---|
14 | from M2Crypto.SSL import SSLError |
---|
15 | |
---|
16 | from access import access_base |
---|
17 | |
---|
18 | from util import * |
---|
19 | from allocate_project import allocate_project_local, allocate_project_remote |
---|
20 | from access_project import access_project |
---|
21 | from fedid import fedid, generate_fedid |
---|
22 | from authorizer import authorizer |
---|
23 | from service_error import service_error |
---|
24 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
---|
25 | |
---|
26 | import httplib |
---|
27 | import tempfile |
---|
28 | from urlparse import urlparse |
---|
29 | |
---|
30 | import topdl |
---|
31 | import list_log |
---|
32 | import proxy_emulab_segment |
---|
33 | import local_emulab_segment |
---|
34 | |
---|
35 | |
---|
36 | # Make log messages disappear if noone configures a fedd logger |
---|
37 | class nullHandler(logging.Handler): |
---|
38 | def emit(self, record): pass |
---|
39 | |
---|
40 | fl = logging.getLogger("fedd.access") |
---|
41 | fl.addHandler(nullHandler()) |
---|
42 | |
---|
43 | class access(access_base): |
---|
44 | """ |
---|
45 | The implementation of access control based on mapping users to projects. |
---|
46 | |
---|
47 | Users can be mapped to existing projects or have projects created |
---|
48 | dynamically. This implements both direct requests and proxies. |
---|
49 | """ |
---|
50 | |
---|
51 | proxy_RequestAccess= service_caller('RequestAccess') |
---|
52 | proxy_ReleaseAccess= service_caller('ReleaseAccess') |
---|
53 | |
---|
54 | def __init__(self, config=None, auth=None): |
---|
55 | """ |
---|
56 | Initializer. Pulls parameters out of the ConfigParser's access section. |
---|
57 | """ |
---|
58 | |
---|
59 | access_base.__init__(self, config, auth) |
---|
60 | |
---|
61 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
---|
62 | |
---|
63 | self.boss = config.get("access", "boss") |
---|
64 | self.ops = config.get("access", "ops") |
---|
65 | self.domain = config.get("access", "domain") |
---|
66 | self.fileserver = config.get("access", "fileserver") |
---|
67 | self.eventserver = config.get("access", "eventserver") |
---|
68 | self.userconfdir = config.get("access","userconfdir") |
---|
69 | self.userconfcmd = config.get("access","userconfcmd") |
---|
70 | self.userconfurl = config.get("access","userconfurl") |
---|
71 | self.federation_software = config.get("access", "federation_software") |
---|
72 | self.portal_software = config.get("access", "portal_software") |
---|
73 | self.local_seer_software = config.get("access", "local_seer_software") |
---|
74 | self.local_seer_image = config.get("access", "local_seer_image") |
---|
75 | self.local_seer_start = config.get("access", "local_seer_start") |
---|
76 | self.seer_master_start = config.get("access", "seer_master_start") |
---|
77 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
---|
78 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
---|
79 | self.ssh_port = config.get("access","ssh_port") or "22" |
---|
80 | |
---|
81 | self.dragon_endpoint = config.get("access", "dragon") |
---|
82 | self.dragon_vlans = config.get("access", "dragon_vlans") |
---|
83 | self.deter_internal = config.get("access", "deter_internal") |
---|
84 | |
---|
85 | self.tunnel_config = config.getboolean("access", "tunnel_config") |
---|
86 | self.portal_command = config.get("access", "portal_command") |
---|
87 | self.portal_image = config.get("access", "portal_image") |
---|
88 | self.portal_type = config.get("access", "portal_type") or "pc" |
---|
89 | self.portal_startcommand = config.get("access", "portal_startcommand") |
---|
90 | self.node_startcommand = config.get("access", "node_startcommand") |
---|
91 | |
---|
92 | self.federation_software = self.software_list(self.federation_software) |
---|
93 | self.portal_software = self.software_list(self.portal_software) |
---|
94 | self.local_seer_software = self.software_list(self.local_seer_software) |
---|
95 | |
---|
96 | self.access_type = self.access_type.lower() |
---|
97 | if self.access_type == 'remote_emulab': |
---|
98 | self.start_segment = proxy_emulab_segment.start_segment |
---|
99 | self.stop_segment = proxy_emulab_segment.stop_segment |
---|
100 | elif self.access_type == 'local_emulab': |
---|
101 | self.start_segment = local_emulab_segment.start_segment |
---|
102 | self.stop_segment = local_emulab_segment.stop_segment |
---|
103 | else: |
---|
104 | self.start_segment = None |
---|
105 | self.stop_segment = None |
---|
106 | |
---|
107 | self.restricted = [ ] |
---|
108 | self.projects = { } |
---|
109 | self.keys = { } |
---|
110 | self.types = { } |
---|
111 | self.allocation = { } |
---|
112 | self.state = { |
---|
113 | 'projects': self.projects, |
---|
114 | 'allocation' : self.allocation, |
---|
115 | 'keys' : self.keys, |
---|
116 | 'types': self.types |
---|
117 | } |
---|
118 | self.access = { } |
---|
119 | if config.has_option("access", "accessdb"): |
---|
120 | self.read_access(config.get("access", "accessdb")) |
---|
121 | |
---|
122 | if not self.local_seer_image or not self.local_seer_software: |
---|
123 | self.exports.discard('local_seer_control') |
---|
124 | self.exports.discard('seer_master') |
---|
125 | |
---|
126 | if not self.local_seer_start: |
---|
127 | self.exports.discard('local_seer_control') |
---|
128 | |
---|
129 | if not self.seer_master_start: |
---|
130 | self.exports.discard('seer_master') |
---|
131 | |
---|
132 | tb = config.get('access', 'testbed') |
---|
133 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
---|
134 | else: self.testbed = [ ] |
---|
135 | |
---|
136 | if config.has_option("access", "accessdb"): |
---|
137 | self.read_access(config.get("access", "accessdb"), |
---|
138 | self.make_access_project) |
---|
139 | |
---|
140 | # read state in the base_class |
---|
141 | self.state_lock.acquire() |
---|
142 | self.allocation = self.state['allocation'] |
---|
143 | self.projects = self.state['projects'] |
---|
144 | self.keys = self.state['keys'] |
---|
145 | self.types = self.state['types'] |
---|
146 | # Add the ownership attributes to the authorizer. Note that the |
---|
147 | # indices of the allocation dict are strings, but the attributes are |
---|
148 | # fedids, so there is a conversion. |
---|
149 | for k in self.allocation.keys(): |
---|
150 | for o in self.allocation[k].get('owners', []): |
---|
151 | self.auth.set_attribute(o, fedid(hexstr=k)) |
---|
152 | if self.allocation[k].has_key('userconfig'): |
---|
153 | sfid = self.allocation[k]['userconfig'] |
---|
154 | fid = fedid(hexstr=sfid) |
---|
155 | self.auth.set_attribute(fid, "/%s" % sfid) |
---|
156 | self.state_lock.release() |
---|
157 | |
---|
158 | |
---|
159 | self.soap_services = {\ |
---|
160 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
---|
161 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
---|
162 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
---|
163 | 'TerminateSegment': soap_handler("TerminateSegment", |
---|
164 | self.TerminateSegment), |
---|
165 | } |
---|
166 | self.xmlrpc_services = {\ |
---|
167 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
---|
168 | self.RequestAccess), |
---|
169 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
---|
170 | self.ReleaseAccess), |
---|
171 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
---|
172 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
---|
173 | self.TerminateSegment), |
---|
174 | } |
---|
175 | |
---|
176 | self.call_SetValue = service_caller('SetValue') |
---|
177 | self.call_GetValue = service_caller('GetValue', log=self.log) |
---|
178 | |
---|
179 | if not config.has_option("allocate", "uri"): |
---|
180 | self.allocate_project = \ |
---|
181 | allocate_project_local(config, auth) |
---|
182 | else: |
---|
183 | self.allocate_project = \ |
---|
184 | allocate_project_remote(config, auth) |
---|
185 | |
---|
186 | |
---|
187 | # If the project allocator exports services, put them in this object's |
---|
188 | # maps so that classes that instantiate this can call the services. |
---|
189 | self.soap_services.update(self.allocate_project.soap_services) |
---|
190 | self.xmlrpc_services.update(self.allocate_project.xmlrpc_services) |
---|
191 | |
---|
192 | @staticmethod |
---|
193 | def make_access_project(str): |
---|
194 | def parse_name(n): |
---|
195 | if n.startswith('fedid:'): return fedid(hexstr=n[len('fedid:'):]) |
---|
196 | else: return n |
---|
197 | |
---|
198 | str = str.strip() |
---|
199 | if str.startswith('(') and str.endswith(')'): |
---|
200 | str = str[1:-1] |
---|
201 | names = [ s.strip() for s in str.split(",")] |
---|
202 | if len(names) > 3: |
---|
203 | raise self.parse_error("More than three fields in name") |
---|
204 | first = names[0].split(":") |
---|
205 | if first == 'fedid:': |
---|
206 | del first[0] |
---|
207 | first[0] = fedid(hexstr=first[0]) |
---|
208 | names[0] = access_project(first[0], first[1:]) |
---|
209 | |
---|
210 | for i in range(1,2): |
---|
211 | names[i] = parse_name(names[i]) |
---|
212 | |
---|
213 | return tuple(names) |
---|
214 | else: |
---|
215 | raise self.parse_error('Bad mapping (unbalanced parens)') |
---|
216 | |
---|
217 | |
---|
218 | def lookup_access(self, req, fid): |
---|
219 | """ |
---|
220 | Determine the allowed access for this request. Return the access and |
---|
221 | which fields are dynamic. |
---|
222 | |
---|
223 | The fedid is needed to construct the request |
---|
224 | """ |
---|
225 | # Return values |
---|
226 | rp = access_project(None, ()) |
---|
227 | ru = None |
---|
228 | # This maps a valid user to the Emulab projects and users to use |
---|
229 | found, match = self.lookup_access_base(req, fid) |
---|
230 | tb, project, user = match |
---|
231 | |
---|
232 | if found == None: |
---|
233 | raise service_error(service_error.access, |
---|
234 | "Access denied - cannot map access") |
---|
235 | |
---|
236 | # resolve <dynamic> and <same> in found |
---|
237 | dyn_proj = False |
---|
238 | dyn_create_user = False |
---|
239 | dyn_service_user = False |
---|
240 | |
---|
241 | if found[0].name == "<same>": |
---|
242 | if project != None: |
---|
243 | rp.name = project |
---|
244 | else : |
---|
245 | raise service_error(\ |
---|
246 | service_error.server_config, |
---|
247 | "Project matched <same> when no project given") |
---|
248 | elif found[0].name == "<dynamic>": |
---|
249 | rp.name = None |
---|
250 | dyn_proj = True |
---|
251 | else: |
---|
252 | rp.name = found[0].name |
---|
253 | rp.node_types = found[0].node_types; |
---|
254 | |
---|
255 | if found[1] == "<same>": |
---|
256 | if user_match == "<any>": |
---|
257 | if user != None: rcu = user[0] |
---|
258 | else: raise service_error(\ |
---|
259 | service_error.server_config, |
---|
260 | "Matched <same> on anonymous request") |
---|
261 | else: |
---|
262 | rcu = user_match |
---|
263 | elif found[1] == "<dynamic>": |
---|
264 | rcu = None |
---|
265 | dyn_create_user = True |
---|
266 | else: |
---|
267 | rcu = found[1] |
---|
268 | |
---|
269 | if found[2] == "<same>": |
---|
270 | if user_match == "<any>": |
---|
271 | if user != None: rsu = user[0] |
---|
272 | else: raise service_error(\ |
---|
273 | service_error.server_config, |
---|
274 | "Matched <same> on anonymous request") |
---|
275 | else: |
---|
276 | rsu = user_match |
---|
277 | elif found[2] == "<dynamic>": |
---|
278 | rsu = None |
---|
279 | dyn_service_user = True |
---|
280 | else: |
---|
281 | rsu = found[2] |
---|
282 | |
---|
283 | return (rp, rcu, rsu), (dyn_create_user, dyn_service_user, dyn_proj),\ |
---|
284 | [ fid ] |
---|
285 | |
---|
286 | def do_project_allocation(self, dyn, project, user): |
---|
287 | """ |
---|
288 | Call the project allocation routines and return the info. |
---|
289 | """ |
---|
290 | if dyn: |
---|
291 | # Compose the dynamic project request |
---|
292 | # (only dynamic, dynamic currently allowed) |
---|
293 | preq = { 'AllocateProjectRequestBody': \ |
---|
294 | { 'project' : {\ |
---|
295 | 'user': [ \ |
---|
296 | { \ |
---|
297 | 'access': [ { |
---|
298 | 'sshPubkey': self.ssh_pubkey_file } ], |
---|
299 | 'role': "serviceAccess",\ |
---|
300 | }, \ |
---|
301 | { \ |
---|
302 | 'access': [ { |
---|
303 | 'sshPubkey': self.ssh_pubkey_file } ], |
---|
304 | 'role': "experimentCreation",\ |
---|
305 | }, \ |
---|
306 | ], \ |
---|
307 | }\ |
---|
308 | }\ |
---|
309 | } |
---|
310 | return self.allocate_project.dynamic_project(preq) |
---|
311 | else: |
---|
312 | preq = {'StaticProjectRequestBody' : \ |
---|
313 | { 'project': \ |
---|
314 | { 'name' : { 'localname' : project },\ |
---|
315 | 'user' : [ \ |
---|
316 | {\ |
---|
317 | 'userID': { 'localname' : user }, \ |
---|
318 | 'access': [ { |
---|
319 | 'sshPubkey': self.ssh_pubkey_file } ], |
---|
320 | 'role': 'experimentCreation'\ |
---|
321 | },\ |
---|
322 | {\ |
---|
323 | 'userID': { 'localname' : user}, \ |
---|
324 | 'access': [ { |
---|
325 | 'sshPubkey': self.ssh_pubkey_file } ], |
---|
326 | 'role': 'serviceAccess'\ |
---|
327 | },\ |
---|
328 | ]}\ |
---|
329 | }\ |
---|
330 | } |
---|
331 | return self.allocate_project.static_project(preq) |
---|
332 | |
---|
333 | def save_project_state(self, aid, ap, dyn, owners): |
---|
334 | """ |
---|
335 | Parse out and save the information relevant to the project created for |
---|
336 | this experiment. That info is largely in ap and owners. dyn indicates |
---|
337 | that the project was created dynamically. Return the user and project |
---|
338 | names. |
---|
339 | """ |
---|
340 | self.state_lock.acquire() |
---|
341 | self.allocation[aid] = { } |
---|
342 | try: |
---|
343 | pname = ap['project']['name']['localname'] |
---|
344 | except KeyError: |
---|
345 | pname = None |
---|
346 | |
---|
347 | if dyn: |
---|
348 | if not pname: |
---|
349 | self.state_lock.release() |
---|
350 | raise service_error(service_error.internal, |
---|
351 | "Misformed allocation response?") |
---|
352 | if pname in self.projects: self.projects[pname] += 1 |
---|
353 | else: self.projects[pname] = 1 |
---|
354 | self.allocation[aid]['project'] = pname |
---|
355 | else: |
---|
356 | # sproject is a static project associated with this allocation. |
---|
357 | self.allocation[aid]['sproject'] = pname |
---|
358 | |
---|
359 | self.allocation[aid]['keys'] = [ ] |
---|
360 | |
---|
361 | try: |
---|
362 | for u in ap['project']['user']: |
---|
363 | uname = u['userID']['localname'] |
---|
364 | if u['role'] == 'experimentCreation': |
---|
365 | self.allocation[aid]['user'] = uname |
---|
366 | for k in [ k['sshPubkey'] for k in u['access'] \ |
---|
367 | if k.has_key('sshPubkey') ]: |
---|
368 | kv = "%s:%s" % (uname, k) |
---|
369 | if self.keys.has_key(kv): self.keys[kv] += 1 |
---|
370 | else: self.keys[kv] = 1 |
---|
371 | self.allocation[aid]['keys'].append((uname, k)) |
---|
372 | except KeyError: |
---|
373 | self.state_lock.release() |
---|
374 | raise service_error(service_error.internal, |
---|
375 | "Misformed allocation response?") |
---|
376 | |
---|
377 | self.allocation[aid]['owners'] = owners |
---|
378 | self.write_state() |
---|
379 | self.state_lock.release() |
---|
380 | return (pname, uname) |
---|
381 | |
---|
382 | def RequestAccess(self, req, fid): |
---|
383 | """ |
---|
384 | Handle the access request. Proxy if not for us. |
---|
385 | |
---|
386 | Parse out the fields and make the allocations or rejections if for us, |
---|
387 | otherwise, assuming we're willing to proxy, proxy the request out. |
---|
388 | """ |
---|
389 | |
---|
390 | def gateway_hardware(h): |
---|
391 | if h == 'GWTYPE': return self.portal_type or 'GWTYPE' |
---|
392 | else: return h |
---|
393 | |
---|
394 | def get_export_project(svcs): |
---|
395 | """ |
---|
396 | if the service requests includes one to export a project, return |
---|
397 | that project. |
---|
398 | """ |
---|
399 | rv = None |
---|
400 | for s in svcs: |
---|
401 | if s.get('name', '') == 'project_export' and \ |
---|
402 | s.get('visibility', '') == 'export': |
---|
403 | if not rv: |
---|
404 | for a in s.get('feddAttr', []): |
---|
405 | if a.get('attribute', '') == 'project' \ |
---|
406 | and 'value' in a: |
---|
407 | rv = a['value'] |
---|
408 | else: |
---|
409 | raise service_error(service_error, access, |
---|
410 | 'Requesting multiple project exports is ' + \ |
---|
411 | 'not supported'); |
---|
412 | return rv |
---|
413 | |
---|
414 | # The dance to get into the request body |
---|
415 | if req.has_key('RequestAccessRequestBody'): |
---|
416 | req = req['RequestAccessRequestBody'] |
---|
417 | else: |
---|
418 | raise service_error(service_error.req, "No request!?") |
---|
419 | |
---|
420 | |
---|
421 | found, dyn, owners = self.lookup_access(req, fid) |
---|
422 | ap = None |
---|
423 | |
---|
424 | # if this includes a project export request and the exported |
---|
425 | # project is not the access project, access denied. |
---|
426 | if 'service' in req: |
---|
427 | ep = get_export_project(req['service']) |
---|
428 | if ep and ep != found[0].name: |
---|
429 | raise service_error(service_error.access, |
---|
430 | "Cannot export %s" % ep) |
---|
431 | |
---|
432 | if self.ssh_pubkey_file: |
---|
433 | ap = self.do_project_allocation(dyn[1], found[0].name, found[1]) |
---|
434 | else: |
---|
435 | raise service_error(service_error.internal, |
---|
436 | "SSH access parameters required") |
---|
437 | # keep track of what's been added |
---|
438 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
439 | aid = unicode(allocID) |
---|
440 | |
---|
441 | pname, uname = self.save_project_state(aid, ap, dyn[1], owners) |
---|
442 | |
---|
443 | services, svc_state = self.export_services(req.get('service',[]), |
---|
444 | pname, uname) |
---|
445 | self.state_lock.acquire() |
---|
446 | # Store services state in global state |
---|
447 | for k, v in svc_state.items(): |
---|
448 | self.allocation[aid][k] = v |
---|
449 | self.write_state() |
---|
450 | self.state_lock.release() |
---|
451 | # Give the owners the right to change this allocation |
---|
452 | for o in owners: |
---|
453 | self.auth.set_attribute(o, allocID) |
---|
454 | try: |
---|
455 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
456 | print >>f, alloc_cert |
---|
457 | f.close() |
---|
458 | except EnvironmentError, e: |
---|
459 | raise service_error(service_error.internal, |
---|
460 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
461 | resp = self.build_access_response({ 'fedid': allocID } , |
---|
462 | ap, services) |
---|
463 | return resp |
---|
464 | |
---|
465 | def ReleaseAccess(self, req, fid): |
---|
466 | # The dance to get into the request body |
---|
467 | if req.has_key('ReleaseAccessRequestBody'): |
---|
468 | req = req['ReleaseAccessRequestBody'] |
---|
469 | else: |
---|
470 | raise service_error(service_error.req, "No request!?") |
---|
471 | |
---|
472 | if req.has_key('destinationTestbed'): |
---|
473 | dt = unpack_id(req['destinationTestbed']) |
---|
474 | else: |
---|
475 | dt = None |
---|
476 | |
---|
477 | if dt == None or dt in self.testbed: |
---|
478 | # Local request |
---|
479 | try: |
---|
480 | if req['allocID'].has_key('localname'): |
---|
481 | auth_attr = aid = req['allocID']['localname'] |
---|
482 | elif req['allocID'].has_key('fedid'): |
---|
483 | aid = unicode(req['allocID']['fedid']) |
---|
484 | auth_attr = req['allocID']['fedid'] |
---|
485 | else: |
---|
486 | raise service_error(service_error.req, |
---|
487 | "Only localnames and fedids are understood") |
---|
488 | except KeyError: |
---|
489 | raise service_error(service_error.req, "Badly formed request") |
---|
490 | |
---|
491 | self.log.debug("[access] deallocation requested for %s", aid) |
---|
492 | if not self.auth.check_attribute(fid, auth_attr): |
---|
493 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
494 | raise service_error(service_error.access, "Access Denied") |
---|
495 | |
---|
496 | # If we know this allocation, reduce the reference counts and |
---|
497 | # remove the local allocations. Otherwise report an error. If |
---|
498 | # there is an allocation to delete, del_users will be a dictonary |
---|
499 | # of sets where the key is the user that owns the keys in the set. |
---|
500 | # We use a set to avoid duplicates. del_project is just the name |
---|
501 | # of any dynamic project to delete. We're somewhat lazy about |
---|
502 | # deleting authorization attributes. Having access to something |
---|
503 | # that doesn't exist isn't harmful. |
---|
504 | del_users = { } |
---|
505 | del_project = None |
---|
506 | del_types = set() |
---|
507 | |
---|
508 | if self.allocation.has_key(aid): |
---|
509 | self.log.debug("Found allocation for %s" %aid) |
---|
510 | self.state_lock.acquire() |
---|
511 | for k in self.allocation[aid]['keys']: |
---|
512 | kk = "%s:%s" % k |
---|
513 | self.keys[kk] -= 1 |
---|
514 | if self.keys[kk] == 0: |
---|
515 | if not del_users.has_key(k[0]): |
---|
516 | del_users[k[0]] = set() |
---|
517 | del_users[k[0]].add(k[1]) |
---|
518 | del self.keys[kk] |
---|
519 | |
---|
520 | if self.allocation[aid].has_key('project'): |
---|
521 | pname = self.allocation[aid]['project'] |
---|
522 | self.projects[pname] -= 1 |
---|
523 | if self.projects[pname] == 0: |
---|
524 | del_project = pname |
---|
525 | del self.projects[pname] |
---|
526 | |
---|
527 | if self.allocation[aid].has_key('types'): |
---|
528 | for t in self.allocation[aid]['types']: |
---|
529 | self.types[t] -= 1 |
---|
530 | if self.types[t] == 0: |
---|
531 | if not del_project: del_project = t[0] |
---|
532 | del_types.add(t[1]) |
---|
533 | del self.types[t] |
---|
534 | |
---|
535 | del self.allocation[aid] |
---|
536 | self.write_state() |
---|
537 | self.state_lock.release() |
---|
538 | # If we actually have resources to deallocate, prepare the call. |
---|
539 | if del_project or del_users: |
---|
540 | msg = { 'project': { }} |
---|
541 | if del_project: |
---|
542 | msg['project']['name']= {'localname': del_project} |
---|
543 | users = [ ] |
---|
544 | for u in del_users.keys(): |
---|
545 | users.append({ 'userID': { 'localname': u },\ |
---|
546 | 'access' : \ |
---|
547 | [ {'sshPubkey' : s } for s in del_users[u]]\ |
---|
548 | }) |
---|
549 | if users: |
---|
550 | msg['project']['user'] = users |
---|
551 | if len(del_types) > 0: |
---|
552 | msg['resources'] = { 'node': \ |
---|
553 | [ {'hardware': [ h ] } for h in del_types ]\ |
---|
554 | } |
---|
555 | if self.allocate_project.release_project: |
---|
556 | msg = { 'ReleaseProjectRequestBody' : msg} |
---|
557 | self.allocate_project.release_project(msg) |
---|
558 | # And remove the access cert |
---|
559 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
560 | self.log.debug("Removing %s" % cf) |
---|
561 | os.remove(cf) |
---|
562 | return { 'allocID': req['allocID'] } |
---|
563 | else: |
---|
564 | raise service_error(service_error.req, "No such allocation") |
---|
565 | |
---|
566 | else: |
---|
567 | if self.allow_proxy: |
---|
568 | resp = self.proxy_ReleaseAccess.call_service(dt, req, |
---|
569 | self.cert_file, self.cert_pwd, |
---|
570 | self.trusted_certs) |
---|
571 | if resp.has_key('ReleaseAccessResponseBody'): |
---|
572 | return resp['ReleaseAccessResponseBody'] |
---|
573 | else: |
---|
574 | return None |
---|
575 | else: |
---|
576 | raise service_error(service_error.access, |
---|
577 | "Access proxying denied") |
---|
578 | |
---|
579 | def generate_ns2(self, topo, expfn, softdir, master, connInfo): |
---|
580 | class dragon_commands: |
---|
581 | """ |
---|
582 | Functor to spit out approrpiate dragon commands for nodes listed in |
---|
583 | the connectivity description. The constructor makes a dict mapping |
---|
584 | dragon nodes to their parameters and the __call__ checks each |
---|
585 | element in turn for membership. |
---|
586 | """ |
---|
587 | def __init__(self, map): |
---|
588 | self.node_info = map |
---|
589 | |
---|
590 | def __call__(self, e): |
---|
591 | s = "" |
---|
592 | if isinstance(e, topdl.Computer): |
---|
593 | if self.node_info.has_key(e.name): |
---|
594 | info = self.node_info[e.name] |
---|
595 | for ifname, vlan, type in info: |
---|
596 | for i in e.interface: |
---|
597 | if i.name == ifname: |
---|
598 | addr = i.get_attribute('ip4_address') |
---|
599 | subs = i.substrate[0] |
---|
600 | break |
---|
601 | else: |
---|
602 | raise service_error(service_error.internal, |
---|
603 | "No interface %s on element %s" % \ |
---|
604 | (ifname, e.name)) |
---|
605 | # XXX: do netmask right |
---|
606 | if type =='link': |
---|
607 | s = ("tb-allow-external ${%s} dragonportal " + \ |
---|
608 | "ip %s vlan %s netmask 255.255.255.0\n") % \ |
---|
609 | (e.name, addr, vlan) |
---|
610 | elif type =='lan': |
---|
611 | s = ("tb-allow-external ${%s} dragonportal " + \ |
---|
612 | "ip %s vlan %s usurp %s\n") % \ |
---|
613 | (e.name, addr, vlan, subs) |
---|
614 | else: |
---|
615 | raise service_error(service_error_internal, |
---|
616 | "Unknown DRAGON type %s" % type) |
---|
617 | return s |
---|
618 | |
---|
619 | class not_dragon: |
---|
620 | def __init__(self, map): |
---|
621 | self.nodes = set(map.keys()) |
---|
622 | |
---|
623 | def __call__(self, e): |
---|
624 | return e.name not in self.nodes |
---|
625 | |
---|
626 | |
---|
627 | t = topo.clone() |
---|
628 | |
---|
629 | dragon_map = { } |
---|
630 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
631 | for a in i.get('fedAttr', []): |
---|
632 | if a['attribute'] == 'vlan_id': |
---|
633 | vlan = a['value'] |
---|
634 | break |
---|
635 | else: |
---|
636 | raise service_error(service_error.internal, |
---|
637 | "No vlan tag") |
---|
638 | members = i.get('member', []) |
---|
639 | if len(members) > 1: type = 'lan' |
---|
640 | else: type = 'link' |
---|
641 | |
---|
642 | try: |
---|
643 | for m in members: |
---|
644 | if dragon_map.has_key(m['element']): |
---|
645 | dragon_map[m['element']].append(( m['interface'], |
---|
646 | vlan, type)) |
---|
647 | else: |
---|
648 | dragon_map[m['element']] = [( m['interface'], |
---|
649 | vlan, type),] |
---|
650 | except KeyError: |
---|
651 | raise service_error(service_error.req, |
---|
652 | "Missing connectivity info") |
---|
653 | |
---|
654 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
655 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
656 | # us to delete from e.elements in side the for loop). While we're |
---|
657 | # touching all the elements, we also adjust paths from the original |
---|
658 | # testbed to local testbed paths and put the federation commands into |
---|
659 | # the start commands |
---|
660 | for e in [e for e in t.elements]: |
---|
661 | if isinstance(e, topdl.Segment): |
---|
662 | t.elements.remove(e) |
---|
663 | if isinstance(e, topdl.Computer): |
---|
664 | self.add_kit(e, self.federation_software) |
---|
665 | if e.get_attribute('portal') and self.portal_startcommand: |
---|
666 | # Add local portal support software |
---|
667 | self.add_kit(e, self.portal_software) |
---|
668 | # Portals never have a user-specified start command |
---|
669 | e.set_attribute('startup', self.portal_startcommand) |
---|
670 | elif self.node_startcommand: |
---|
671 | if e.get_attribute('startup'): |
---|
672 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
673 | (self.node_startcommand, |
---|
674 | e.get_attribute('startup'))) |
---|
675 | else: |
---|
676 | e.set_attribute('startup', self.node_startcommand) |
---|
677 | |
---|
678 | dinf = [i[0] for i in dragon_map.get(e.name, []) ] |
---|
679 | # Remove portal interfaces that do not connect to DRAGON |
---|
680 | e.interface = [i for i in e.interface \ |
---|
681 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
682 | # Fix software paths |
---|
683 | for s in getattr(e, 'software', []): |
---|
684 | s.location = re.sub("^.*/", softdir, s.location) |
---|
685 | |
---|
686 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
687 | t.incorporate_elements() |
---|
688 | |
---|
689 | # Customize the ns2 output for local portal commands and images |
---|
690 | filters = [] |
---|
691 | |
---|
692 | if self.dragon_endpoint: |
---|
693 | add_filter = not_dragon(dragon_map) |
---|
694 | filters.append(dragon_commands(dragon_map)) |
---|
695 | else: |
---|
696 | add_filter = None |
---|
697 | |
---|
698 | if self.portal_command: |
---|
699 | filters.append(topdl.generate_portal_command_filter( |
---|
700 | self.portal_command, add_filter=add_filter)) |
---|
701 | |
---|
702 | if self.portal_image: |
---|
703 | filters.append(topdl.generate_portal_image_filter( |
---|
704 | self.portal_image)) |
---|
705 | |
---|
706 | if self.portal_type: |
---|
707 | filters.append(topdl.generate_portal_hardware_filter( |
---|
708 | self.portal_type)) |
---|
709 | |
---|
710 | # Convert to ns and write it out |
---|
711 | expfile = topdl.topology_to_ns2(t, filters) |
---|
712 | try: |
---|
713 | f = open(expfn, "w") |
---|
714 | print >>f, expfile |
---|
715 | f.close() |
---|
716 | except EnvironmentError: |
---|
717 | raise service_error(service_error.internal, |
---|
718 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
719 | |
---|
720 | def configure_userconf(self, services): |
---|
721 | """ |
---|
722 | If the userconf service was imported, collect the configuration data. |
---|
723 | """ |
---|
724 | for s in services: |
---|
725 | s_name = s.get('name', '') |
---|
726 | s_vis = s.get('visibility','') |
---|
727 | if s_name == 'userconfig' and s_vis == 'import': |
---|
728 | # Collect ther server and certificate info. |
---|
729 | u = s.get('server', None) |
---|
730 | for a in s.get('fedAttr', []): |
---|
731 | if a.get('attribute',"") == 'cert': |
---|
732 | cert = a.get('value', None) |
---|
733 | break |
---|
734 | else: |
---|
735 | cert = None |
---|
736 | |
---|
737 | if cert: |
---|
738 | # Make a temporary certificate file for get_url. The |
---|
739 | # finally clause removes it whether something goes |
---|
740 | # wrong (including an exception from get_url) or not. |
---|
741 | try: |
---|
742 | tfos, tn = tempfile.mkstemp(suffix=".pem") |
---|
743 | tf = os.fdopen(tfos, 'w') |
---|
744 | print >>tf, cert |
---|
745 | tf.close() |
---|
746 | self.log.debug("Getting userconf info: %s" % u) |
---|
747 | get_url(u, tn, tmpdir, "userconf") |
---|
748 | self.log.debug("Got userconf info: %s" % u) |
---|
749 | except EnvironmentError, e: |
---|
750 | raise service_error(service.error.internal, |
---|
751 | "Cannot create temp file for " + |
---|
752 | "userconfig certificates: %s e") |
---|
753 | except: |
---|
754 | t, v, st = sys.exc_info() |
---|
755 | raise service_error(service_error.internal, |
---|
756 | "Error retrieving %s: %s" % (s, v)) |
---|
757 | finally: |
---|
758 | if tn: os.remove(tn) |
---|
759 | else: |
---|
760 | raise service_error(service_error.req, |
---|
761 | "No certificate for retreiving userconfig") |
---|
762 | break |
---|
763 | |
---|
764 | def add_seer_node(self, topo, name, startup): |
---|
765 | """ |
---|
766 | Add a seer node to the given topology, with the startup command passed |
---|
767 | in. |
---|
768 | """ |
---|
769 | c_node = topdl.Computer( |
---|
770 | name=name, |
---|
771 | os= topdl.OperatingSystem( |
---|
772 | attribute=[ |
---|
773 | { 'attribute': 'osid', |
---|
774 | 'value': self.local_seer_image }, |
---|
775 | ]), |
---|
776 | attribute=[ |
---|
777 | { 'attribute': 'startup', 'value': startup }, |
---|
778 | ] |
---|
779 | ) |
---|
780 | self.add_kit(c_node, self.local_seer_software) |
---|
781 | topo.elements.append(c_node) |
---|
782 | |
---|
783 | def configure_seer_services(self, services, topo, softdir): |
---|
784 | local_seer = False |
---|
785 | collect_seer = False |
---|
786 | seer_master= False |
---|
787 | for s in services: |
---|
788 | s_name = s.get('name', '') |
---|
789 | s_vis = s.get('visibility','') |
---|
790 | |
---|
791 | if s_name == 'local_seer_control' and s_vis == 'export': |
---|
792 | local_seer = True |
---|
793 | elif s_name == 'seer_master': |
---|
794 | if s_vis == 'import': |
---|
795 | collect_seer = True |
---|
796 | elif s_vis == 'export': |
---|
797 | seer_master = True |
---|
798 | |
---|
799 | # We've got the whole picture now, so add nodes if needed and configure |
---|
800 | # them to interconnect properly. |
---|
801 | if local_seer or seer_master: |
---|
802 | # Copy local seer control node software to the tempdir |
---|
803 | for l, f in self.local_seer_software: |
---|
804 | base = os.path.basename(f) |
---|
805 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
806 | # If we're collecting seers somewhere the controllers need to talk to |
---|
807 | # the master. In testbeds that export the service, that will be a |
---|
808 | # local node that we'll add below. Elsewhere it will be the control |
---|
809 | # portal that will port forward to the exporting master. |
---|
810 | if local_seer: |
---|
811 | if collect_seer: |
---|
812 | startup = "%s -C %s" % (self.local_seer_start, "seer-master") |
---|
813 | else: |
---|
814 | startup = self.local_seer_start |
---|
815 | self.add_seer_node(topo, 'control', startup) |
---|
816 | # If this is the seer master, add that node, too. |
---|
817 | if seer_master: |
---|
818 | self.add_seer_node(topo, 'seer-master', self.seer_master_start) |
---|
819 | |
---|
820 | |
---|
821 | |
---|
822 | def StartSegment(self, req, fid): |
---|
823 | |
---|
824 | configs = set(('hosts', 'ssh_pubkey', 'ssh_secretkey')) |
---|
825 | |
---|
826 | err = None # Any service_error generated after tmpdir is created |
---|
827 | rv = None # Return value from segment creation |
---|
828 | |
---|
829 | try: |
---|
830 | req = req['StartSegmentRequestBody'] |
---|
831 | except KeyError: |
---|
832 | raise service_error(server_error.req, "Badly formed request") |
---|
833 | |
---|
834 | connInfo = req.get('connection', []) |
---|
835 | services = req.get('service', []) |
---|
836 | auth_attr = req['allocID']['fedid'] |
---|
837 | aid = "%s" % auth_attr |
---|
838 | attrs = req.get('fedAttr', []) |
---|
839 | if not self.auth.check_attribute(fid, auth_attr): |
---|
840 | raise service_error(service_error.access, "Access denied") |
---|
841 | else: |
---|
842 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
843 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
844 | # redoing the allocation. |
---|
845 | self.state_lock.acquire() |
---|
846 | retval = self.allocation[aid].get('started', None) |
---|
847 | self.state_lock.release() |
---|
848 | if retval: |
---|
849 | self.log.warning("Duplicate StartSegment for %s: " % aid + \ |
---|
850 | "replaying response") |
---|
851 | return retval |
---|
852 | |
---|
853 | # A new request. Do it. |
---|
854 | |
---|
855 | if req.has_key('segmentdescription') and \ |
---|
856 | req['segmentdescription'].has_key('topdldescription'): |
---|
857 | topo = \ |
---|
858 | topdl.Topology(**req['segmentdescription']['topdldescription']) |
---|
859 | else: |
---|
860 | raise service_error(service_error.req, |
---|
861 | "Request missing segmentdescription'") |
---|
862 | |
---|
863 | master = req.get('master', False) |
---|
864 | |
---|
865 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
866 | try: |
---|
867 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
868 | softdir = "%s/software" % tmpdir |
---|
869 | os.mkdir(softdir) |
---|
870 | except EnvironmentError: |
---|
871 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
872 | |
---|
873 | # Try block alllows us to clean up temporary files. |
---|
874 | try: |
---|
875 | sw = set() |
---|
876 | for e in topo.elements: |
---|
877 | for s in getattr(e, 'software', []): |
---|
878 | sw.add(s.location) |
---|
879 | for s in sw: |
---|
880 | self.log.debug("Retrieving %s" % s) |
---|
881 | try: |
---|
882 | get_url(s, certfile, softdir) |
---|
883 | except: |
---|
884 | t, v, st = sys.exc_info() |
---|
885 | raise service_error(service_error.internal, |
---|
886 | "Error retrieving %s: %s" % (s, v)) |
---|
887 | |
---|
888 | # Copy local federation and portal node software to the tempdir |
---|
889 | for s in (self.federation_software, self.portal_software): |
---|
890 | for l, f in s: |
---|
891 | base = os.path.basename(f) |
---|
892 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
893 | |
---|
894 | ename = None |
---|
895 | pubkey_base = None |
---|
896 | secretkey_base = None |
---|
897 | for a in attrs: |
---|
898 | if a['attribute'] in configs: |
---|
899 | try: |
---|
900 | self.log.debug("Retrieving %s from %s" % \ |
---|
901 | (a['attribute'], a['value'])) |
---|
902 | get_url(a['value'], certfile, tmpdir) |
---|
903 | except: |
---|
904 | t, v, st = sys.exc_info() |
---|
905 | raise service_error(service_error.internal, |
---|
906 | "Error retrieving %s: %s" % (s, v)) |
---|
907 | if a['attribute'] == 'ssh_pubkey': |
---|
908 | pubkey_base = a['value'].rpartition('/')[2] |
---|
909 | if a['attribute'] == 'ssh_secretkey': |
---|
910 | secretkey_base = a['value'].rpartition('/')[2] |
---|
911 | if a['attribute'] == 'experiment_name': |
---|
912 | ename = a['value'] |
---|
913 | |
---|
914 | if not ename: |
---|
915 | ename = "" |
---|
916 | for i in range(0,5): |
---|
917 | ename += random.choice(string.ascii_letters) |
---|
918 | self.log.warn("No experiment name: picked one randomly: %s" \ |
---|
919 | % ename) |
---|
920 | |
---|
921 | if not pubkey_base: |
---|
922 | raise service_error(service_error.req, |
---|
923 | "No public key attribute") |
---|
924 | |
---|
925 | if not secretkey_base: |
---|
926 | raise service_error(service_error.req, |
---|
927 | "No secret key attribute") |
---|
928 | |
---|
929 | # If the userconf service was imported, collect the configuration |
---|
930 | # data. |
---|
931 | self.configure_userconf(services) |
---|
932 | self.configure_seer_services(services, topo, softdir) |
---|
933 | |
---|
934 | proj = None |
---|
935 | user = None |
---|
936 | self.state_lock.acquire() |
---|
937 | if self.allocation.has_key(aid): |
---|
938 | proj = self.allocation[aid].get('project', None) |
---|
939 | if not proj: |
---|
940 | proj = self.allocation[aid].get('sproject', None) |
---|
941 | user = self.allocation[aid].get('user', None) |
---|
942 | self.allocation[aid]['experiment'] = ename |
---|
943 | self.allocation[aid]['log'] = [ ] |
---|
944 | # Create a logger that logs to the experiment's state object as |
---|
945 | # well as to the main log file. |
---|
946 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
947 | h = logging.StreamHandler( |
---|
948 | list_log.list_log(self.allocation[aid]['log'])) |
---|
949 | # XXX: there should be a global one of these rather than |
---|
950 | # repeating the code. |
---|
951 | h.setFormatter(logging.Formatter( |
---|
952 | "%(asctime)s %(name)s %(message)s", |
---|
953 | '%d %b %y %H:%M:%S')) |
---|
954 | alloc_log.addHandler(h) |
---|
955 | self.write_state() |
---|
956 | self.state_lock.release() |
---|
957 | |
---|
958 | if not proj: |
---|
959 | raise service_error(service_error.internal, |
---|
960 | "Can't find project for %s" %aid) |
---|
961 | |
---|
962 | if not user: |
---|
963 | raise service_error(service_error.internal, |
---|
964 | "Can't find creation user for %s" %aid) |
---|
965 | |
---|
966 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
967 | self.import_store_info(certfile, connInfo) |
---|
968 | |
---|
969 | expfile = "%s/experiment.tcl" % tmpdir |
---|
970 | |
---|
971 | self.generate_portal_configs(topo, pubkey_base, |
---|
972 | secretkey_base, tmpdir, master, proj, ename, connInfo, |
---|
973 | services) |
---|
974 | self.generate_ns2(topo, expfile, |
---|
975 | "/proj/%s/software/%s/" % (proj, ename), master, connInfo) |
---|
976 | |
---|
977 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
978 | debug=self.create_debug, log=alloc_log) |
---|
979 | rv = starter(self, ename, proj, user, expfile, tmpdir) |
---|
980 | rvtopo = topo.clone() |
---|
981 | |
---|
982 | # Copy the assigned names into the return topology |
---|
983 | embedding = [ ] |
---|
984 | for n in starter.node: |
---|
985 | embedding.append({ |
---|
986 | 'toponame': n, |
---|
987 | 'physname': ["%s%s" % (starter.node[n], self.domain)], |
---|
988 | }) |
---|
989 | |
---|
990 | |
---|
991 | except service_error, e: |
---|
992 | err = e |
---|
993 | except e: |
---|
994 | err = service_error(service_error.internal, str(e)) |
---|
995 | |
---|
996 | # Walk up tmpdir, deleting as we go |
---|
997 | if self.cleanup: |
---|
998 | self.log.debug("[StartSegment]: removing %s" % tmpdir) |
---|
999 | for path, dirs, files in os.walk(tmpdir, topdown=False): |
---|
1000 | for f in files: |
---|
1001 | os.remove(os.path.join(path, f)) |
---|
1002 | for d in dirs: |
---|
1003 | os.rmdir(os.path.join(path, d)) |
---|
1004 | os.rmdir(tmpdir) |
---|
1005 | else: |
---|
1006 | self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
1007 | |
---|
1008 | if rv: |
---|
1009 | # Grab the log (this is some anal locking, but better safe than |
---|
1010 | # sorry) |
---|
1011 | self.state_lock.acquire() |
---|
1012 | logv = "".join(self.allocation[aid]['log']) |
---|
1013 | # It's possible that the StartSegment call gets retried (!). |
---|
1014 | # if the 'started' key is in the allocation, we'll return it rather |
---|
1015 | # than redo the setup. |
---|
1016 | self.allocation[aid]['started'] = { |
---|
1017 | 'allocID': req['allocID'], |
---|
1018 | 'allocationLog': logv, |
---|
1019 | 'segmentdescription': { |
---|
1020 | 'topdldescription': rvtopo.to_dict() |
---|
1021 | }, |
---|
1022 | 'embedding': embedding |
---|
1023 | } |
---|
1024 | retval = copy.copy(self.allocation[aid]['started']) |
---|
1025 | self.write_state() |
---|
1026 | self.state_lock.release() |
---|
1027 | return retval |
---|
1028 | elif err: |
---|
1029 | raise service_error(service_error.federant, |
---|
1030 | "Swapin failed: %s" % err) |
---|
1031 | else: |
---|
1032 | raise service_error(service_error.federant, "Swapin failed") |
---|
1033 | |
---|
1034 | def TerminateSegment(self, req, fid): |
---|
1035 | try: |
---|
1036 | req = req['TerminateSegmentRequestBody'] |
---|
1037 | except KeyError: |
---|
1038 | raise service_error(server_error.req, "Badly formed request") |
---|
1039 | |
---|
1040 | auth_attr = req['allocID']['fedid'] |
---|
1041 | aid = "%s" % auth_attr |
---|
1042 | attrs = req.get('fedAttr', []) |
---|
1043 | if not self.auth.check_attribute(fid, auth_attr): |
---|
1044 | raise service_error(service_error.access, "Access denied") |
---|
1045 | |
---|
1046 | self.state_lock.acquire() |
---|
1047 | if self.allocation.has_key(aid): |
---|
1048 | proj = self.allocation[aid].get('project', None) |
---|
1049 | if not proj: |
---|
1050 | proj = self.allocation[aid].get('sproject', None) |
---|
1051 | user = self.allocation[aid].get('user', None) |
---|
1052 | ename = self.allocation[aid].get('experiment', None) |
---|
1053 | else: |
---|
1054 | proj = None |
---|
1055 | user = None |
---|
1056 | ename = None |
---|
1057 | self.state_lock.release() |
---|
1058 | |
---|
1059 | if not proj: |
---|
1060 | raise service_error(service_error.internal, |
---|
1061 | "Can't find project for %s" % aid) |
---|
1062 | |
---|
1063 | if not user: |
---|
1064 | raise service_error(service_error.internal, |
---|
1065 | "Can't find creation user for %s" % aid) |
---|
1066 | if not ename: |
---|
1067 | raise service_error(service_error.internal, |
---|
1068 | "Can't find experiment name for %s" % aid) |
---|
1069 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
1070 | debug=self.create_debug) |
---|
1071 | stopper(self, user, proj, ename) |
---|
1072 | return { 'allocID': req['allocID'] } |
---|