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 | import traceback |
---|
13 | |
---|
14 | from threading import * |
---|
15 | from M2Crypto.SSL import SSLError |
---|
16 | |
---|
17 | from access import access_base |
---|
18 | |
---|
19 | from util import * |
---|
20 | from deter import fedid, generate_fedid |
---|
21 | from authorizer import authorizer, abac_authorizer |
---|
22 | from service_error import service_error |
---|
23 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
---|
24 | from proof import proof as access_proof |
---|
25 | |
---|
26 | import httplib |
---|
27 | import tempfile |
---|
28 | from urlparse import urlparse |
---|
29 | |
---|
30 | from deter import topdl |
---|
31 | import list_log |
---|
32 | import emulab_segment |
---|
33 | |
---|
34 | |
---|
35 | # Make log messages disappear if noone configures a fedd logger |
---|
36 | class nullHandler(logging.Handler): |
---|
37 | def emit(self, record): pass |
---|
38 | |
---|
39 | fl = logging.getLogger("fedd.access") |
---|
40 | fl.addHandler(nullHandler()) |
---|
41 | |
---|
42 | class access(access_base): |
---|
43 | """ |
---|
44 | The implementation of access control based on mapping users to projects. |
---|
45 | |
---|
46 | Users can be mapped to existing projects or have projects created |
---|
47 | dynamically. This implements both direct requests and proxies. |
---|
48 | """ |
---|
49 | |
---|
50 | max_name_len = 19 |
---|
51 | |
---|
52 | def __init__(self, config=None, auth=None): |
---|
53 | """ |
---|
54 | Initializer. Pulls parameters out of the ConfigParser's access section. |
---|
55 | """ |
---|
56 | |
---|
57 | access_base.__init__(self, config, auth) |
---|
58 | |
---|
59 | self.max_name_len = access.max_name_len |
---|
60 | |
---|
61 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
---|
62 | |
---|
63 | self.domain = config.get("access", "domain") |
---|
64 | self.userconfdir = config.get("access","userconfdir") |
---|
65 | self.userconfcmd = config.get("access","userconfcmd") |
---|
66 | self.userconfurl = config.get("access","userconfurl") |
---|
67 | self.federation_software = config.get("access", "federation_software") |
---|
68 | self.portal_software = config.get("access", "portal_software") |
---|
69 | self.local_seer_software = config.get("access", "local_seer_software") |
---|
70 | self.local_seer_image = config.get("access", "local_seer_image") |
---|
71 | self.local_seer_start = config.get("access", "local_seer_start") |
---|
72 | self.seer_master_start = config.get("access", "seer_master_start") |
---|
73 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
---|
74 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
---|
75 | self.ssh_port = config.get("access","ssh_port") or "22" |
---|
76 | self.boss = config.get("access", "boss") |
---|
77 | self.ops = config.get("access", "ops") |
---|
78 | self.xmlrpc_cert = config.get("access", "xmlrpc_cert") |
---|
79 | self.xmlrpc_certpw = config.get("access", "xmlrpc_certpw") |
---|
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 | self.start_segment = emulab_segment.start_segment |
---|
98 | self.stop_segment = emulab_segment.stop_segment |
---|
99 | self.info_segment = emulab_segment.info_segment |
---|
100 | self.operation_segment = emulab_segment.operation_segment |
---|
101 | |
---|
102 | self.restricted = [ ] |
---|
103 | tb = config.get('access', 'testbed') |
---|
104 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
---|
105 | else: self.testbed = [ ] |
---|
106 | |
---|
107 | # authorization information |
---|
108 | self.auth_type = config.get('access', 'auth_type') \ |
---|
109 | or 'abac' |
---|
110 | self.auth_dir = config.get('access', 'auth_dir') |
---|
111 | accessdb = config.get("access", "accessdb") |
---|
112 | # initialize the authorization system |
---|
113 | if self.auth_type == 'abac': |
---|
114 | self.auth = abac_authorizer(load=self.auth_dir) |
---|
115 | self.access = [ ] |
---|
116 | if accessdb: |
---|
117 | self.read_access(accessdb, self.access_tuple) |
---|
118 | else: |
---|
119 | raise service_error(service_error.internal, |
---|
120 | "Unknown auth_type: %s" % self.auth_type) |
---|
121 | |
---|
122 | # read_state in the base_class |
---|
123 | self.state_lock.acquire() |
---|
124 | if 'allocation' not in self.state: self.state['allocation']= { } |
---|
125 | self.allocation = self.state['allocation'] |
---|
126 | self.state_lock.release() |
---|
127 | self.exports = { |
---|
128 | 'SMB': self.export_SMB, |
---|
129 | 'seer': self.export_seer, |
---|
130 | 'tmcd': self.export_tmcd, |
---|
131 | 'userconfig': self.export_userconfig, |
---|
132 | 'project_export': self.export_project_export, |
---|
133 | 'local_seer_control': self.export_local_seer, |
---|
134 | 'seer_master': self.export_seer_master, |
---|
135 | 'hide_hosts': self.export_hide_hosts, |
---|
136 | } |
---|
137 | |
---|
138 | if not self.local_seer_image or not self.local_seer_software or \ |
---|
139 | not self.local_seer_start: |
---|
140 | if 'local_seer_control' in self.exports: |
---|
141 | del self.exports['local_seer_control'] |
---|
142 | |
---|
143 | if not self.local_seer_image or not self.local_seer_software or \ |
---|
144 | not self.seer_master_start: |
---|
145 | if 'seer_master' in self.exports: |
---|
146 | del self.exports['seer_master'] |
---|
147 | |
---|
148 | |
---|
149 | self.soap_services = {\ |
---|
150 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
---|
151 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
---|
152 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
---|
153 | 'TerminateSegment': soap_handler("TerminateSegment", |
---|
154 | self.TerminateSegment), |
---|
155 | 'InfoSegment': soap_handler("InfoSegment", self.InfoSegment), |
---|
156 | 'OperationSegment': soap_handler("OperationSegment", |
---|
157 | self.OperationSegment), |
---|
158 | } |
---|
159 | self.xmlrpc_services = {\ |
---|
160 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
---|
161 | self.RequestAccess), |
---|
162 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
---|
163 | self.ReleaseAccess), |
---|
164 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
---|
165 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
---|
166 | self.TerminateSegment), |
---|
167 | 'InfoSegment': xmlrpc_handler("InfoSegment", self.InfoSegment), |
---|
168 | 'OperationSegment': xmlrpc_handler("OperationSegment", |
---|
169 | self.OperationSegment), |
---|
170 | } |
---|
171 | |
---|
172 | self.call_SetValue = service_caller('SetValue') |
---|
173 | self.call_GetValue = service_caller('GetValue', log=self.log) |
---|
174 | |
---|
175 | @staticmethod |
---|
176 | def access_tuple(str): |
---|
177 | """ |
---|
178 | Convert a string of the form (id, id, id) into an access_project. This |
---|
179 | is called by read_access to convert to local attributes. It returns a |
---|
180 | tuple of the form (project, user, certificate_file). |
---|
181 | """ |
---|
182 | |
---|
183 | str = str.strip() |
---|
184 | if str.startswith('(') and str.endswith(')') and str.count(',') == 2: |
---|
185 | # The slice takes the parens off the string. |
---|
186 | proj, user, cert = str[1:-1].split(',') |
---|
187 | return (proj.strip(), user.strip(), cert.strip()) |
---|
188 | else: |
---|
189 | raise self.parse_error( |
---|
190 | 'Bad mapping (unbalanced parens or more than 2 commas)') |
---|
191 | |
---|
192 | # RequestAccess support routines |
---|
193 | |
---|
194 | def save_project_state(self, aid, pname, uname, certf, owners): |
---|
195 | """ |
---|
196 | Save the project, user, and owners associated with this allocation. |
---|
197 | This creates the allocation entry. |
---|
198 | """ |
---|
199 | self.state_lock.acquire() |
---|
200 | self.allocation[aid] = { } |
---|
201 | self.allocation[aid]['project'] = pname |
---|
202 | self.allocation[aid]['user'] = uname |
---|
203 | self.allocation[aid]['cert'] = certf |
---|
204 | self.allocation[aid]['owners'] = owners |
---|
205 | self.write_state() |
---|
206 | self.state_lock.release() |
---|
207 | return (pname, uname) |
---|
208 | |
---|
209 | # End of RequestAccess support routines |
---|
210 | |
---|
211 | def RequestAccess(self, req, fid): |
---|
212 | """ |
---|
213 | Handle the access request. Proxy if not for us. |
---|
214 | |
---|
215 | Parse out the fields and make the allocations or rejections if for us, |
---|
216 | otherwise, assuming we're willing to proxy, proxy the request out. |
---|
217 | """ |
---|
218 | |
---|
219 | def gateway_hardware(h): |
---|
220 | if h == 'GWTYPE': return self.portal_type or 'GWTYPE' |
---|
221 | else: return h |
---|
222 | |
---|
223 | def get_export_project(svcs): |
---|
224 | """ |
---|
225 | if the service requests includes one to export a project, return |
---|
226 | that project. |
---|
227 | """ |
---|
228 | rv = None |
---|
229 | for s in svcs: |
---|
230 | if s.get('name', '') == 'project_export' and \ |
---|
231 | s.get('visibility', '') == 'export': |
---|
232 | if not rv: |
---|
233 | for a in s.get('fedAttr', []): |
---|
234 | if a.get('attribute', '') == 'project' \ |
---|
235 | and 'value' in a: |
---|
236 | rv = a['value'] |
---|
237 | else: |
---|
238 | raise service_error(service_error, access, |
---|
239 | 'Requesting multiple project exports is ' + \ |
---|
240 | 'not supported'); |
---|
241 | return rv |
---|
242 | |
---|
243 | # The dance to get into the request body |
---|
244 | if req.has_key('RequestAccessRequestBody'): |
---|
245 | req = req['RequestAccessRequestBody'] |
---|
246 | else: |
---|
247 | raise service_error(service_error.req, "No request!?") |
---|
248 | |
---|
249 | # if this includes a project export request, construct a filter such |
---|
250 | # that only the ABAC attributes mapped to that project are checked for |
---|
251 | # access. |
---|
252 | if 'service' in req: |
---|
253 | ep = get_export_project(req['service']) |
---|
254 | if ep: pf = lambda(a): a.value[0] == ep |
---|
255 | else: pf = None |
---|
256 | else: |
---|
257 | ep = None |
---|
258 | pf = None |
---|
259 | |
---|
260 | if self.auth.import_credentials( |
---|
261 | data_list=req.get('abac_credential', [])): |
---|
262 | self.auth.save() |
---|
263 | |
---|
264 | if self.auth_type == 'abac': |
---|
265 | found, owners, proof = self.lookup_access(req, fid, filter=pf) |
---|
266 | else: |
---|
267 | raise service_error(service_error.internal, |
---|
268 | 'Unknown auth_type: %s' % self.auth_type) |
---|
269 | ap = None |
---|
270 | |
---|
271 | # keep track of what's been added |
---|
272 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
273 | aid = unicode(allocID) |
---|
274 | |
---|
275 | pname, uname = self.save_project_state(aid, found[0], found[1], |
---|
276 | found[2], owners) |
---|
277 | |
---|
278 | services, svc_state = self.export_services(req.get('service',[]), |
---|
279 | pname, uname) |
---|
280 | self.state_lock.acquire() |
---|
281 | # Store services state in global state |
---|
282 | for k, v in svc_state.items(): |
---|
283 | self.allocation[aid][k] = v |
---|
284 | self.append_allocation_authorization(aid, |
---|
285 | set([(o, allocID) for o in owners]), state_attr='allocation') |
---|
286 | self.write_state() |
---|
287 | self.state_lock.release() |
---|
288 | try: |
---|
289 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
290 | print >>f, alloc_cert |
---|
291 | f.close() |
---|
292 | except EnvironmentError, e: |
---|
293 | raise service_error(service_error.internal, |
---|
294 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
295 | resp = self.build_access_response({ 'fedid': allocID } , |
---|
296 | pname, services, proof) |
---|
297 | return resp |
---|
298 | |
---|
299 | def ReleaseAccess(self, req, fid): |
---|
300 | # The dance to get into the request body |
---|
301 | if req.has_key('ReleaseAccessRequestBody'): |
---|
302 | req = req['ReleaseAccessRequestBody'] |
---|
303 | else: |
---|
304 | raise service_error(service_error.req, "No request!?") |
---|
305 | |
---|
306 | try: |
---|
307 | if req['allocID'].has_key('localname'): |
---|
308 | auth_attr = aid = req['allocID']['localname'] |
---|
309 | elif req['allocID'].has_key('fedid'): |
---|
310 | aid = unicode(req['allocID']['fedid']) |
---|
311 | auth_attr = req['allocID']['fedid'] |
---|
312 | else: |
---|
313 | raise service_error(service_error.req, |
---|
314 | "Only localnames and fedids are understood") |
---|
315 | except KeyError: |
---|
316 | raise service_error(service_error.req, "Badly formed request") |
---|
317 | |
---|
318 | self.log.debug("[access] deallocation requested for %s by %s" % \ |
---|
319 | (aid, fid)) |
---|
320 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
321 | with_proof=True) |
---|
322 | if not access_ok: |
---|
323 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
324 | raise service_error(service_error.access, "Access Denied") |
---|
325 | |
---|
326 | self.state_lock.acquire() |
---|
327 | if aid in self.allocation: |
---|
328 | self.log.debug("Found allocation for %s" %aid) |
---|
329 | self.clear_allocation_authorization(aid, state_attr='allocation') |
---|
330 | del self.allocation[aid] |
---|
331 | self.write_state() |
---|
332 | self.state_lock.release() |
---|
333 | # Remove the access cert |
---|
334 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
335 | self.log.debug("Removing %s" % cf) |
---|
336 | os.remove(cf) |
---|
337 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
---|
338 | else: |
---|
339 | self.state_lock.release() |
---|
340 | raise service_error(service_error.req, "No such allocation") |
---|
341 | |
---|
342 | # These are subroutines for StartSegment |
---|
343 | def generate_ns2(self, topo, expfn, softdir, connInfo): |
---|
344 | """ |
---|
345 | Convert topo into an ns2 file, decorated with appropriate commands for |
---|
346 | the particular testbed setup. Convert all requests for software, etc |
---|
347 | to point at the staged copies on this testbed and add the federation |
---|
348 | startcommands. |
---|
349 | """ |
---|
350 | class dragon_commands: |
---|
351 | """ |
---|
352 | Functor to spit out approrpiate dragon commands for nodes listed in |
---|
353 | the connectivity description. The constructor makes a dict mapping |
---|
354 | dragon nodes to their parameters and the __call__ checks each |
---|
355 | element in turn for membership. |
---|
356 | """ |
---|
357 | def __init__(self, map): |
---|
358 | self.node_info = map |
---|
359 | |
---|
360 | def __call__(self, e): |
---|
361 | s = "" |
---|
362 | if isinstance(e, topdl.Computer): |
---|
363 | if self.node_info.has_key(e.name): |
---|
364 | info = self.node_info[e.name] |
---|
365 | for ifname, vlan, type in info: |
---|
366 | for i in e.interface: |
---|
367 | if i.name == ifname: |
---|
368 | addr = i.get_attribute('ip4_address') |
---|
369 | subs = i.substrate[0] |
---|
370 | break |
---|
371 | else: |
---|
372 | raise service_error(service_error.internal, |
---|
373 | "No interface %s on element %s" % \ |
---|
374 | (ifname, e.name)) |
---|
375 | # XXX: do netmask right |
---|
376 | if type =='link': |
---|
377 | s = ("tb-allow-external ${%s} " + \ |
---|
378 | "dragonportal ip %s vlan %s " + \ |
---|
379 | "netmask 255.255.255.0\n") % \ |
---|
380 | (topdl.to_tcl_name(e.name), addr, vlan) |
---|
381 | elif type =='lan': |
---|
382 | s = ("tb-allow-external ${%s} " + \ |
---|
383 | "dragonportal " + \ |
---|
384 | "ip %s vlan %s usurp %s\n") % \ |
---|
385 | (topdl.to_tcl_name(e.name), addr, |
---|
386 | vlan, subs) |
---|
387 | else: |
---|
388 | raise service_error(service_error_internal, |
---|
389 | "Unknown DRAGON type %s" % type) |
---|
390 | return s |
---|
391 | |
---|
392 | class not_dragon: |
---|
393 | """ |
---|
394 | Return true if a node is in the given map of dragon nodes. |
---|
395 | """ |
---|
396 | def __init__(self, map): |
---|
397 | self.nodes = set(map.keys()) |
---|
398 | |
---|
399 | def __call__(self, e): |
---|
400 | return e.name not in self.nodes |
---|
401 | |
---|
402 | # Main line of generate_ns2 |
---|
403 | t = topo.clone() |
---|
404 | |
---|
405 | # Create the map of nodes that need direct connections (dragon |
---|
406 | # connections) from the connInfo |
---|
407 | dragon_map = { } |
---|
408 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
409 | for a in i.get('fedAttr', []): |
---|
410 | if a['attribute'] == 'vlan_id': |
---|
411 | vlan = a['value'] |
---|
412 | break |
---|
413 | else: |
---|
414 | raise service_error(service_error.internal, "No vlan tag") |
---|
415 | members = i.get('member', []) |
---|
416 | if len(members) > 1: type = 'lan' |
---|
417 | else: type = 'link' |
---|
418 | |
---|
419 | try: |
---|
420 | for m in members: |
---|
421 | if m['element'] in dragon_map: |
---|
422 | dragon_map[m['element']].append(( m['interface'], |
---|
423 | vlan, type)) |
---|
424 | else: |
---|
425 | dragon_map[m['element']] = [( m['interface'], |
---|
426 | vlan, type),] |
---|
427 | except KeyError: |
---|
428 | raise service_error(service_error.req, |
---|
429 | "Missing connectivity info") |
---|
430 | |
---|
431 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
432 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
433 | # us to delete from e.elements in side the for loop). While we're |
---|
434 | # touching all the elements, we also adjust paths from the original |
---|
435 | # testbed to local testbed paths and put the federation commands into |
---|
436 | # the start commands |
---|
437 | for e in [e for e in t.elements]: |
---|
438 | if isinstance(e, topdl.Segment): |
---|
439 | t.elements.remove(e) |
---|
440 | if isinstance(e, topdl.Computer): |
---|
441 | self.add_kit(e, self.federation_software) |
---|
442 | if e.get_attribute('portal') and self.portal_startcommand: |
---|
443 | # Add local portal support software |
---|
444 | self.add_kit(e, self.portal_software) |
---|
445 | # Portals never have a user-specified start command |
---|
446 | e.set_attribute('startup', self.portal_startcommand) |
---|
447 | elif self.node_startcommand: |
---|
448 | if e.get_attribute('startup'): |
---|
449 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
450 | (self.node_startcommand, |
---|
451 | e.get_attribute('startup'))) |
---|
452 | else: |
---|
453 | e.set_attribute('startup', self.node_startcommand) |
---|
454 | |
---|
455 | dinf = [i[0] for i in dragon_map.get(e.name, []) ] |
---|
456 | # Remove portal interfaces that do not connect to DRAGON |
---|
457 | e.interface = [i for i in e.interface \ |
---|
458 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
459 | # Fix software paths |
---|
460 | for s in getattr(e, 'software', []): |
---|
461 | s.location = re.sub("^.*/", softdir, s.location) |
---|
462 | |
---|
463 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
464 | t.incorporate_elements() |
---|
465 | |
---|
466 | # Customize the ns2 output for local portal commands and images |
---|
467 | filters = [] |
---|
468 | |
---|
469 | if self.dragon_endpoint: |
---|
470 | add_filter = not_dragon(dragon_map) |
---|
471 | filters.append(dragon_commands(dragon_map)) |
---|
472 | else: |
---|
473 | add_filter = None |
---|
474 | |
---|
475 | if self.portal_command: |
---|
476 | filters.append(topdl.generate_portal_command_filter( |
---|
477 | self.portal_command, add_filter=add_filter)) |
---|
478 | |
---|
479 | if self.portal_image: |
---|
480 | filters.append(topdl.generate_portal_image_filter( |
---|
481 | self.portal_image)) |
---|
482 | |
---|
483 | if self.portal_type: |
---|
484 | filters.append(topdl.generate_portal_hardware_filter( |
---|
485 | self.portal_type)) |
---|
486 | |
---|
487 | # Convert to ns and write it out |
---|
488 | expfile = topdl.topology_to_ns2(t, filters) |
---|
489 | try: |
---|
490 | f = open(expfn, "w") |
---|
491 | print >>f, expfile |
---|
492 | f.close() |
---|
493 | except EnvironmentError: |
---|
494 | raise service_error(service_error.internal, |
---|
495 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
496 | |
---|
497 | def export_store_info(self, cf, proj, ename, connInfo): |
---|
498 | """ |
---|
499 | For the export requests in the connection info, install the peer names |
---|
500 | at the experiment controller via SetValue calls. |
---|
501 | """ |
---|
502 | |
---|
503 | for c in connInfo: |
---|
504 | for p in [ p for p in c.get('parameter', []) \ |
---|
505 | if p.get('type', '') == 'output']: |
---|
506 | |
---|
507 | if p.get('name', '') == 'peer': |
---|
508 | k = p.get('key', None) |
---|
509 | surl = p.get('store', None) |
---|
510 | if surl and k and k.index('/') != -1: |
---|
511 | value = "%s.%s.%s%s" % \ |
---|
512 | (k[k.index('/')+1:], ename, proj, self.domain) |
---|
513 | req = { 'name': k, 'value': value } |
---|
514 | self.log.debug("Setting %s to %s on %s" % \ |
---|
515 | (k, value, surl)) |
---|
516 | self.call_SetValue(surl, req, cf) |
---|
517 | else: |
---|
518 | self.log.error("Bad export request: %s" % p) |
---|
519 | elif p.get('name', '') == 'ssh_port': |
---|
520 | k = p.get('key', None) |
---|
521 | surl = p.get('store', None) |
---|
522 | if surl and k: |
---|
523 | req = { 'name': k, 'value': self.ssh_port } |
---|
524 | self.log.debug("Setting %s to %s on %s" % \ |
---|
525 | (k, self.ssh_port, surl)) |
---|
526 | self.call_SetValue(surl, req, cf) |
---|
527 | else: |
---|
528 | self.log.error("Bad export request: %s" % p) |
---|
529 | else: |
---|
530 | self.log.error("Unknown export parameter: %s" % \ |
---|
531 | p.get('name')) |
---|
532 | continue |
---|
533 | |
---|
534 | def add_seer_node(self, topo, name, startup): |
---|
535 | """ |
---|
536 | Add a seer node to the given topology, with the startup command passed |
---|
537 | in. Used by configure seer_services. |
---|
538 | """ |
---|
539 | c_node = topdl.Computer( |
---|
540 | name=name, |
---|
541 | os= topdl.OperatingSystem( |
---|
542 | attribute=[ |
---|
543 | { 'attribute': 'osid', |
---|
544 | 'value': self.local_seer_image }, |
---|
545 | ]), |
---|
546 | attribute=[ |
---|
547 | { 'attribute': 'startup', 'value': startup }, |
---|
548 | ] |
---|
549 | ) |
---|
550 | self.add_kit(c_node, self.local_seer_software) |
---|
551 | topo.elements.append(c_node) |
---|
552 | |
---|
553 | def configure_seer_services(self, services, topo, softdir): |
---|
554 | """ |
---|
555 | Make changes to the topology required for the seer requests being made. |
---|
556 | Specifically, add any control or master nodes required and set up the |
---|
557 | start commands on the nodes to interconnect them. |
---|
558 | """ |
---|
559 | local_seer = False # True if we need to add a control node |
---|
560 | collect_seer = False # True if there is a seer-master node |
---|
561 | seer_master= False # True if we need to add the seer-master |
---|
562 | for s in services: |
---|
563 | s_name = s.get('name', '') |
---|
564 | s_vis = s.get('visibility','') |
---|
565 | |
---|
566 | if s_name == 'local_seer_control' and s_vis == 'export': |
---|
567 | local_seer = True |
---|
568 | elif s_name == 'seer_master': |
---|
569 | if s_vis == 'import': |
---|
570 | collect_seer = True |
---|
571 | elif s_vis == 'export': |
---|
572 | seer_master = True |
---|
573 | |
---|
574 | # We've got the whole picture now, so add nodes if needed and configure |
---|
575 | # them to interconnect properly. |
---|
576 | if local_seer or seer_master: |
---|
577 | # Copy local seer control node software to the tempdir |
---|
578 | for l, f in self.local_seer_software: |
---|
579 | base = os.path.basename(f) |
---|
580 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
581 | # If we're collecting seers somewhere the controllers need to talk to |
---|
582 | # the master. In testbeds that export the service, that will be a |
---|
583 | # local node that we'll add below. Elsewhere it will be the control |
---|
584 | # portal that will port forward to the exporting master. |
---|
585 | if local_seer: |
---|
586 | if collect_seer: |
---|
587 | startup = "%s -C %s" % (self.local_seer_start, "seer-master") |
---|
588 | else: |
---|
589 | startup = self.local_seer_start |
---|
590 | self.add_seer_node(topo, 'control', startup) |
---|
591 | # If this is the seer master, add that node, too. |
---|
592 | if seer_master: |
---|
593 | self.add_seer_node(topo, 'seer-master', |
---|
594 | "%s -R -n -R seer-master -R -A -R sink" % \ |
---|
595 | self.seer_master_start) |
---|
596 | |
---|
597 | def retrieve_software(self, topo, certfile, softdir): |
---|
598 | """ |
---|
599 | Collect the software that nodes in the topology need loaded and stage |
---|
600 | it locally. This implies retrieving it from the experiment_controller |
---|
601 | and placing it into softdir. Certfile is used to prove that this node |
---|
602 | has access to that data (it's the allocation/segment fedid). Finally |
---|
603 | local portal and federation software is also copied to the same staging |
---|
604 | directory for simplicity - all software needed for experiment creation |
---|
605 | is in softdir. |
---|
606 | """ |
---|
607 | sw = set() |
---|
608 | for e in topo.elements: |
---|
609 | for s in getattr(e, 'software', []): |
---|
610 | sw.add(s.location) |
---|
611 | for s in sw: |
---|
612 | self.log.debug("Retrieving %s" % s) |
---|
613 | try: |
---|
614 | get_url(s, certfile, softdir) |
---|
615 | except: |
---|
616 | t, v, st = sys.exc_info() |
---|
617 | raise service_error(service_error.internal, |
---|
618 | "Error retrieving %s: %s" % (s, v)) |
---|
619 | |
---|
620 | # Copy local federation and portal node software to the tempdir |
---|
621 | for s in (self.federation_software, self.portal_software): |
---|
622 | for l, f in s: |
---|
623 | base = os.path.basename(f) |
---|
624 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
625 | |
---|
626 | |
---|
627 | def initialize_experiment_info(self, attrs, aid, certfile, tmpdir): |
---|
628 | """ |
---|
629 | Gather common configuration files, retrieve or create an experiment |
---|
630 | name and project name, and return the ssh_key filenames. Create an |
---|
631 | allocation log bound to the state log variable as well. |
---|
632 | """ |
---|
633 | configs = ('hosts', 'ssh_pubkey', 'ssh_secretkey', |
---|
634 | 'seer_ca_pem', 'seer_node_pem') |
---|
635 | ename = None |
---|
636 | pubkey_base = None |
---|
637 | secretkey_base = None |
---|
638 | proj = None |
---|
639 | user = None |
---|
640 | alloc_log = None |
---|
641 | nonce_experiment = False |
---|
642 | vchars_re = '[^' + string.ascii_letters + string.digits + '-]' |
---|
643 | |
---|
644 | self.state_lock.acquire() |
---|
645 | if aid in self.allocation: |
---|
646 | proj = self.allocation[aid].get('project', None) |
---|
647 | self.state_lock.release() |
---|
648 | |
---|
649 | if not proj: |
---|
650 | raise service_error(service_error.internal, |
---|
651 | "Can't find project for %s" %aid) |
---|
652 | |
---|
653 | for a in attrs: |
---|
654 | if a['attribute'] in configs: |
---|
655 | try: |
---|
656 | self.log.debug("Retrieving %s from %s" % \ |
---|
657 | (a['attribute'], a['value'])) |
---|
658 | get_url(a['value'], certfile, tmpdir) |
---|
659 | except: |
---|
660 | t, v, st = sys.exc_info() |
---|
661 | raise service_error(service_error.internal, |
---|
662 | "Error retrieving %s: %s" % (a.get('value', ""), v)) |
---|
663 | if a['attribute'] == 'ssh_pubkey': |
---|
664 | pubkey_base = a['value'].rpartition('/')[2] |
---|
665 | if a['attribute'] == 'ssh_secretkey': |
---|
666 | secretkey_base = a['value'].rpartition('/')[2] |
---|
667 | if a['attribute'] == 'experiment_name': |
---|
668 | ename = a['value'] |
---|
669 | |
---|
670 | # Names longer than the emulab max are discarded |
---|
671 | if ename and len(ename) <= self.max_name_len: |
---|
672 | # Clean up the experiment name so that emulab will accept it. |
---|
673 | ename = re.sub(vchars_re, '-', ename) |
---|
674 | |
---|
675 | else: |
---|
676 | ename = "" |
---|
677 | for i in range(0,5): |
---|
678 | ename += random.choice(string.ascii_letters) |
---|
679 | nonce_experiment = True |
---|
680 | self.log.warn("No experiment name or suggestion too long: " + \ |
---|
681 | "picked one randomly: %s" % ename) |
---|
682 | |
---|
683 | if not pubkey_base: |
---|
684 | raise service_error(service_error.req, |
---|
685 | "No public key attribute") |
---|
686 | |
---|
687 | if not secretkey_base: |
---|
688 | raise service_error(service_error.req, |
---|
689 | "No secret key attribute") |
---|
690 | |
---|
691 | self.state_lock.acquire() |
---|
692 | if aid in self.allocation: |
---|
693 | user = self.allocation[aid].get('user', None) |
---|
694 | cert = self.allocation[aid].get('cert', None) |
---|
695 | self.allocation[aid]['experiment'] = ename |
---|
696 | self.allocation[aid]['nonce'] = nonce_experiment |
---|
697 | self.allocation[aid]['log'] = [ ] |
---|
698 | # Create a logger that logs to the experiment's state object as |
---|
699 | # well as to the main log file. |
---|
700 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
701 | h = logging.StreamHandler( |
---|
702 | list_log.list_log(self.allocation[aid]['log'])) |
---|
703 | # XXX: there should be a global one of these rather than |
---|
704 | # repeating the code. |
---|
705 | h.setFormatter(logging.Formatter( |
---|
706 | "%(asctime)s %(name)s %(message)s", |
---|
707 | '%d %b %y %H:%M:%S')) |
---|
708 | alloc_log.addHandler(h) |
---|
709 | self.write_state() |
---|
710 | self.state_lock.release() |
---|
711 | |
---|
712 | if not user: |
---|
713 | raise service_error(service_error.internal, |
---|
714 | "Can't find creation user for %s" %aid) |
---|
715 | |
---|
716 | return (ename, proj, user, cert, pubkey_base, secretkey_base, alloc_log) |
---|
717 | |
---|
718 | def decorate_topology(self, info, t): |
---|
719 | """ |
---|
720 | Copy the physical mapping and status onto the topology. Used by |
---|
721 | StartSegment and InfoSegment |
---|
722 | """ |
---|
723 | def add_new(ann, attr): |
---|
724 | for a in ann: |
---|
725 | if a not in attr: attr.append(a) |
---|
726 | |
---|
727 | def merge_os(os, e): |
---|
728 | if len(e.os) == 0: |
---|
729 | # No OS at all: |
---|
730 | if os.get_attribute('emulab_access:image'): |
---|
731 | os.set_attribute('emulab_access:initial_image', |
---|
732 | os.get_attribute('emulab_access:image')) |
---|
733 | e.os = [ os ] |
---|
734 | elif len(e.os) == 1: |
---|
735 | # There's one OS, copy the initial image and replace |
---|
736 | eos = e.os[0] |
---|
737 | initial = eos.get_attribute('emulab_access:initial_image') |
---|
738 | if initial: |
---|
739 | os.set_attribute('emulab_access:initial_image', initial) |
---|
740 | e.os = [ os] |
---|
741 | else: |
---|
742 | # Multiple OSes, replace or append |
---|
743 | for eos in e.os: |
---|
744 | if os.name == eos.name: |
---|
745 | eos.version = os.version |
---|
746 | eos.version = os.distribution |
---|
747 | eos.version = os.distributionversion |
---|
748 | for a in os.attribute: |
---|
749 | if eos.get_attribute(a.attribute): |
---|
750 | eos.remove_attribute(a.attribute) |
---|
751 | eos.set_attribute(a.attribute, a.value) |
---|
752 | break |
---|
753 | else: |
---|
754 | e.os.append(os) |
---|
755 | |
---|
756 | |
---|
757 | if t is None: return |
---|
758 | i = 0 # For fake debugging instantiation |
---|
759 | # Copy the assigned names into the return topology |
---|
760 | for e in t.elements: |
---|
761 | if isinstance(e, topdl.Computer): |
---|
762 | if not self.create_debug: |
---|
763 | if e.name in info.node: |
---|
764 | add_new(("%s%s" % |
---|
765 | (info.node[e.name].pname, self.domain),), |
---|
766 | e.localname) |
---|
767 | e.status = info.node[e.name].status |
---|
768 | os = info.node[e.name].getOS() |
---|
769 | if os: merge_os(os, e) |
---|
770 | else: |
---|
771 | # Simple debugging assignment |
---|
772 | add_new(("node%d%s" % (i, self.domain),), e.localname) |
---|
773 | e.status = 'active' |
---|
774 | add_new(('testop1', 'testop2'), e.operation) |
---|
775 | i += 1 |
---|
776 | |
---|
777 | |
---|
778 | def finalize_experiment(self, starter, topo, aid, alloc_id, proof): |
---|
779 | """ |
---|
780 | Store key bits of experiment state in the global repository, including |
---|
781 | the response that may need to be replayed, and return the response. |
---|
782 | """ |
---|
783 | i = 0 |
---|
784 | t = topo.clone() |
---|
785 | self.decorate_topology(starter, t) |
---|
786 | # Grab the log (this is some anal locking, but better safe than |
---|
787 | # sorry) |
---|
788 | self.state_lock.acquire() |
---|
789 | logv = "".join(self.allocation[aid]['log']) |
---|
790 | # It's possible that the StartSegment call gets retried (!). |
---|
791 | # if the 'started' key is in the allocation, we'll return it rather |
---|
792 | # than redo the setup. |
---|
793 | self.allocation[aid]['started'] = { |
---|
794 | 'allocID': alloc_id, |
---|
795 | 'allocationLog': logv, |
---|
796 | 'segmentdescription': { |
---|
797 | 'topdldescription': t.to_dict() |
---|
798 | }, |
---|
799 | 'proof': proof.to_dict(), |
---|
800 | } |
---|
801 | self.allocation[aid]['topo'] = t |
---|
802 | retval = copy.copy(self.allocation[aid]['started']) |
---|
803 | self.write_state() |
---|
804 | self.state_lock.release() |
---|
805 | return retval |
---|
806 | |
---|
807 | # End of StartSegment support routines |
---|
808 | |
---|
809 | def StartSegment(self, req, fid): |
---|
810 | err = None # Any service_error generated after tmpdir is created |
---|
811 | rv = None # Return value from segment creation |
---|
812 | |
---|
813 | try: |
---|
814 | req = req['StartSegmentRequestBody'] |
---|
815 | auth_attr = req['allocID']['fedid'] |
---|
816 | topref = req['segmentdescription']['topdldescription'] |
---|
817 | except KeyError: |
---|
818 | raise service_error(server_error.req, "Badly formed request") |
---|
819 | |
---|
820 | connInfo = req.get('connection', []) |
---|
821 | services = req.get('service', []) |
---|
822 | aid = "%s" % auth_attr |
---|
823 | attrs = req.get('fedAttr', []) |
---|
824 | |
---|
825 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
826 | with_proof=True) |
---|
827 | if not access_ok: |
---|
828 | raise service_error(service_error.access, "Access denied") |
---|
829 | else: |
---|
830 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
831 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
832 | # redoing the allocation. |
---|
833 | self.state_lock.acquire() |
---|
834 | retval = self.allocation[aid].get('started', None) |
---|
835 | self.state_lock.release() |
---|
836 | if retval: |
---|
837 | self.log.warning("Duplicate StartSegment for %s: " % aid + \ |
---|
838 | "replaying response") |
---|
839 | return retval |
---|
840 | |
---|
841 | # A new request. Do it. |
---|
842 | |
---|
843 | if topref: topo = topdl.Topology(**topref) |
---|
844 | else: |
---|
845 | raise service_error(service_error.req, |
---|
846 | "Request missing segmentdescription'") |
---|
847 | |
---|
848 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
849 | try: |
---|
850 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
851 | softdir = "%s/software" % tmpdir |
---|
852 | os.mkdir(softdir) |
---|
853 | except EnvironmentError: |
---|
854 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
855 | |
---|
856 | # Try block alllows us to clean up temporary files. |
---|
857 | try: |
---|
858 | self.retrieve_software(topo, certfile, softdir) |
---|
859 | ename, proj, user, xmlrpc_cert, pubkey_base, secretkey_base, \ |
---|
860 | alloc_log = self.initialize_experiment_info(attrs, aid, |
---|
861 | certfile, tmpdir) |
---|
862 | |
---|
863 | if '/' in proj: proj, gid = proj.split('/') |
---|
864 | else: gid = None |
---|
865 | |
---|
866 | |
---|
867 | # Set up userconf and seer if needed |
---|
868 | self.configure_userconf(services, tmpdir) |
---|
869 | self.configure_seer_services(services, topo, softdir) |
---|
870 | # Get and send synch store variables |
---|
871 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
872 | self.import_store_info(certfile, connInfo) |
---|
873 | |
---|
874 | expfile = "%s/experiment.tcl" % tmpdir |
---|
875 | |
---|
876 | self.generate_portal_configs(topo, pubkey_base, |
---|
877 | secretkey_base, tmpdir, proj, ename, connInfo, services) |
---|
878 | self.generate_ns2(topo, expfile, |
---|
879 | "/proj/%s/software/%s/" % (proj, ename), connInfo) |
---|
880 | |
---|
881 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
882 | debug=self.create_debug, log=alloc_log, boss=self.boss, |
---|
883 | ops=self.ops, cert=xmlrpc_cert) |
---|
884 | rv = starter(self, ename, proj, user, expfile, tmpdir, gid=gid) |
---|
885 | except service_error, e: |
---|
886 | err = e |
---|
887 | except: |
---|
888 | t, v, st = sys.exc_info() |
---|
889 | err = service_error(service_error.internal, "%s: %s" % \ |
---|
890 | (v, traceback.extract_tb(st))) |
---|
891 | |
---|
892 | # Walk up tmpdir, deleting as we go |
---|
893 | if self.cleanup: self.remove_dirs(tmpdir) |
---|
894 | else: self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
895 | |
---|
896 | if rv: |
---|
897 | return self.finalize_experiment(starter, topo, aid, req['allocID'], |
---|
898 | proof) |
---|
899 | elif err: |
---|
900 | raise service_error(service_error.federant, |
---|
901 | "Swapin failed: %s" % err) |
---|
902 | else: |
---|
903 | raise service_error(service_error.federant, "Swapin failed") |
---|
904 | |
---|
905 | def TerminateSegment(self, req, fid): |
---|
906 | try: |
---|
907 | req = req['TerminateSegmentRequestBody'] |
---|
908 | except KeyError: |
---|
909 | raise service_error(server_error.req, "Badly formed request") |
---|
910 | |
---|
911 | auth_attr = req['allocID']['fedid'] |
---|
912 | aid = "%s" % auth_attr |
---|
913 | attrs = req.get('fedAttr', []) |
---|
914 | |
---|
915 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
916 | with_proof=True) |
---|
917 | if not access_ok: |
---|
918 | raise service_error(service_error.access, "Access denied") |
---|
919 | |
---|
920 | self.state_lock.acquire() |
---|
921 | if aid in self.allocation: |
---|
922 | proj = self.allocation[aid].get('project', None) |
---|
923 | user = self.allocation[aid].get('user', None) |
---|
924 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
925 | ename = self.allocation[aid].get('experiment', None) |
---|
926 | nonce = self.allocation[aid].get('nonce', False) |
---|
927 | else: |
---|
928 | proj = None |
---|
929 | user = None |
---|
930 | ename = None |
---|
931 | nonce = False |
---|
932 | xmlrpc_cert = None |
---|
933 | self.state_lock.release() |
---|
934 | |
---|
935 | if not proj: |
---|
936 | raise service_error(service_error.internal, |
---|
937 | "Can't find project for %s" % aid) |
---|
938 | else: |
---|
939 | if '/' in proj: proj, gid = proj.split('/') |
---|
940 | else: gid = None |
---|
941 | |
---|
942 | if not user: |
---|
943 | raise service_error(service_error.internal, |
---|
944 | "Can't find creation user for %s" % aid) |
---|
945 | if not ename: |
---|
946 | raise service_error(service_error.internal, |
---|
947 | "Can't find experiment name for %s" % aid) |
---|
948 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
949 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
950 | cert=xmlrpc_cert) |
---|
951 | stopper(self, user, proj, ename, gid, nonce) |
---|
952 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
---|
953 | |
---|
954 | def InfoSegment(self, req, fid): |
---|
955 | try: |
---|
956 | req = req['InfoSegmentRequestBody'] |
---|
957 | except KeyError: |
---|
958 | raise service_error(server_error.req, "Badly formed request") |
---|
959 | |
---|
960 | auth_attr = req['allocID']['fedid'] |
---|
961 | aid = "%s" % auth_attr |
---|
962 | |
---|
963 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
964 | with_proof=True) |
---|
965 | if not access_ok: |
---|
966 | raise service_error(service_error.access, "Access denied") |
---|
967 | |
---|
968 | self.state_lock.acquire() |
---|
969 | if aid in self.allocation: |
---|
970 | topo = self.allocation[aid].get('topo', None) |
---|
971 | if topo: topo = topo.clone() |
---|
972 | proj = self.allocation[aid].get('project', None) |
---|
973 | user = self.allocation[aid].get('user', None) |
---|
974 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
975 | ename = self.allocation[aid].get('experiment', None) |
---|
976 | else: |
---|
977 | proj = None |
---|
978 | user = None |
---|
979 | ename = None |
---|
980 | topo = None |
---|
981 | xmlrpc_cert = None |
---|
982 | self.state_lock.release() |
---|
983 | |
---|
984 | if not proj: |
---|
985 | raise service_error(service_error.internal, |
---|
986 | "Can't find project for %s" % aid) |
---|
987 | else: |
---|
988 | if '/' in proj: proj, gid = proj.split('/') |
---|
989 | else: gid = None |
---|
990 | |
---|
991 | if not user: |
---|
992 | raise service_error(service_error.internal, |
---|
993 | "Can't find creation user for %s" % aid) |
---|
994 | if not ename: |
---|
995 | raise service_error(service_error.internal, |
---|
996 | "Can't find experiment name for %s" % aid) |
---|
997 | info = self.info_segment(keyfile=self.ssh_privkey_file, |
---|
998 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
999 | cert=xmlrpc_cert) |
---|
1000 | info(self, user, proj, ename) |
---|
1001 | self.decorate_topology(info, topo) |
---|
1002 | self.state_lock.acquire() |
---|
1003 | if aid in self.allocation: |
---|
1004 | self.allocation[aid]['topo'] = topo |
---|
1005 | self.write_state() |
---|
1006 | self.state_lock.release() |
---|
1007 | |
---|
1008 | rv = { |
---|
1009 | 'allocID': req['allocID'], |
---|
1010 | 'proof': proof.to_dict(), |
---|
1011 | } |
---|
1012 | if topo: |
---|
1013 | rv['segmentdescription'] = { 'topdldescription' : topo.to_dict() } |
---|
1014 | return rv |
---|
1015 | |
---|
1016 | def OperationSegment(self, req, fid): |
---|
1017 | def get_pname(e): |
---|
1018 | """ |
---|
1019 | Get the physical name of a node |
---|
1020 | """ |
---|
1021 | if e.localname: |
---|
1022 | return re.sub('\..*','', e.localname[0]) |
---|
1023 | else: |
---|
1024 | return None |
---|
1025 | |
---|
1026 | try: |
---|
1027 | req = req['OperationSegmentRequestBody'] |
---|
1028 | except KeyError: |
---|
1029 | raise service_error(server_error.req, "Badly formed request") |
---|
1030 | |
---|
1031 | auth_attr = req['allocID']['fedid'] |
---|
1032 | aid = "%s" % auth_attr |
---|
1033 | |
---|
1034 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
1035 | with_proof=True) |
---|
1036 | if not access_ok: |
---|
1037 | raise service_error(service_error.access, "Access denied") |
---|
1038 | |
---|
1039 | op = req.get('operation', None) |
---|
1040 | targets = req.get('target', None) |
---|
1041 | params = req.get('parameter', None) |
---|
1042 | |
---|
1043 | if op is None : |
---|
1044 | raise service_error(service_error.req, "missing operation") |
---|
1045 | elif targets is None: |
---|
1046 | raise service_error(service_error.req, "no targets") |
---|
1047 | |
---|
1048 | self.state_lock.acquire() |
---|
1049 | if aid in self.allocation: |
---|
1050 | topo = self.allocation[aid].get('topo', None) |
---|
1051 | if topo: topo = topo.clone() |
---|
1052 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
1053 | else: |
---|
1054 | topo = None |
---|
1055 | xmlrpc_cert = None |
---|
1056 | self.state_lock.release() |
---|
1057 | |
---|
1058 | targets = copy.copy(targets) |
---|
1059 | ptargets = { } |
---|
1060 | for e in topo.elements: |
---|
1061 | if isinstance(e, topdl.Computer): |
---|
1062 | if e.name in targets: |
---|
1063 | targets.remove(e.name) |
---|
1064 | pn = get_pname(e) |
---|
1065 | if pn: ptargets[e.name] = pn |
---|
1066 | |
---|
1067 | status = [ operation_status(t, operation_status.no_target) \ |
---|
1068 | for t in targets] |
---|
1069 | |
---|
1070 | ops = self.operation_segment(keyfile=self.ssh_privkey_file, |
---|
1071 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
1072 | cert=xmlrpc_cert) |
---|
1073 | ops(self, op, ptargets, params, topo) |
---|
1074 | |
---|
1075 | status.extend(ops.status) |
---|
1076 | |
---|
1077 | return { |
---|
1078 | 'allocID': req['allocID'], |
---|
1079 | 'status': [s.to_dict() for s in status], |
---|
1080 | 'proof': proof.to_dict(), |
---|
1081 | } |
---|