1 | #!/usr/bin/python |
---|
2 | |
---|
3 | import os,sys |
---|
4 | #temp |
---|
5 | import traceback |
---|
6 | # |
---|
7 | import shutil |
---|
8 | import subprocess |
---|
9 | import signal |
---|
10 | import re |
---|
11 | import string |
---|
12 | import copy |
---|
13 | import pickle |
---|
14 | import logging |
---|
15 | import random |
---|
16 | import tempfile |
---|
17 | from federation.util import * |
---|
18 | from deter import fedid,generate_fedid |
---|
19 | from federation.authorizer import authorizer, abac_authorizer |
---|
20 | from federation.service_error import service_error |
---|
21 | from federation.remote_service import xmlrpc_handler, soap_handler, service_caller |
---|
22 | |
---|
23 | from deter import topdl |
---|
24 | from federation.access import access_base |
---|
25 | from federation.proof import proof |
---|
26 | from topdltok import klanguage |
---|
27 | from peer_setup import Peer |
---|
28 | # Make log messages disappear if noone configures a fedd logger. This is |
---|
29 | # something of an incantation, but basically it creates a logger object |
---|
30 | # registered to fedd.access if no other module above us has. It's an extra |
---|
31 | # belt for the suspenders. |
---|
32 | class nullHandler(logging.Handler): |
---|
33 | def emit(self, record): pass |
---|
34 | |
---|
35 | fl = logging.getLogger("fedd.access") |
---|
36 | fl.addHandler(nullHandler()) |
---|
37 | |
---|
38 | |
---|
39 | # The plug-in itself. |
---|
40 | class access(access_base): |
---|
41 | |
---|
42 | @staticmethod |
---|
43 | def access_tuple(str): |
---|
44 | """ |
---|
45 | Convert a string (user,passwd,project) into an access_project. |
---|
46 | It returns a tuple of the form (user,passwd,project). |
---|
47 | """ |
---|
48 | str = str.strip() |
---|
49 | if str.startswith('(') and str.endswith(')') and str.count(',') == 2: |
---|
50 | user,passwd,project = str[1:-1].split(',') |
---|
51 | return (user.strip(), passwd.strip(), project.strip()) |
---|
52 | else: |
---|
53 | raise self.parse_error( |
---|
54 | 'Bad mapping (unbalanced parens or malformed string is should be of the form (user,passwd,project)') |
---|
55 | |
---|
56 | def __init__(self, config=None, auth=None): |
---|
57 | self.rmanager = config.get('definition','rmanager') |
---|
58 | self.smanager = config.get('definition','smanager') |
---|
59 | self.pmanager = config.get('definition','pmanager') |
---|
60 | self.fncp = config.get('definition','fncp') |
---|
61 | self.tftpdman =config.get('definition','tftpdman') |
---|
62 | self.wolagent = config.get('definition','wolagent') |
---|
63 | self.encd = config.get('definition','encd') |
---|
64 | |
---|
65 | access_base.__init__(self, config, auth) |
---|
66 | |
---|
67 | self.ssh_port = config.get("access","ssh_port") or "22" |
---|
68 | self.domain = config.get('globals','domain') |
---|
69 | #Available ports for kuma! |
---|
70 | ports = config.get('globals','freeports') |
---|
71 | try: |
---|
72 | if not ports or ports.count('-') != 1: |
---|
73 | raise TypeError("bad ports") |
---|
74 | else: |
---|
75 | a,b = ports.split('-') |
---|
76 | a = int(a) |
---|
77 | b = int(b) |
---|
78 | if a < b: |
---|
79 | start = a |
---|
80 | end = b |
---|
81 | else: |
---|
82 | start = b |
---|
83 | end = a |
---|
84 | if abs(start-end) < 2: |
---|
85 | raise TypeError("Bad ports") |
---|
86 | self.available_ports = set(range(start,end) ) |
---|
87 | except TypeError as e: |
---|
88 | self.available_ports = set(range(3456,3458)) |
---|
89 | self.log.warning("Setting default freeports due to missing or malformed configuration. %s" % (e)) |
---|
90 | #Available internal and external interfaces for the commander! |
---|
91 | internal_iface = config.get('globals','internal_interfaces') |
---|
92 | external_iface = config.get('globals','external_interfaces') |
---|
93 | if internal_iface: |
---|
94 | try: |
---|
95 | self.iiface = internal_iface.split(',') |
---|
96 | except BaseException as e: |
---|
97 | self.log.warning('Could not retrieve internal interfaces') |
---|
98 | else: |
---|
99 | self.log.warning("No internal interfaces specificed in the configration!") |
---|
100 | if external_iface: |
---|
101 | try: |
---|
102 | self.eiface = external_iface.split(',') |
---|
103 | except BaseException as e: |
---|
104 | selflog.warning('Could not retrive external interfaces') |
---|
105 | else: |
---|
106 | self.log.warning("No external interfaces specificed in the configration!") |
---|
107 | |
---|
108 | #Get reserved ports saved in state and remove them from the available set! |
---|
109 | self.state_lock.acquire() |
---|
110 | ###### work #### |
---|
111 | for k in self.state.keys(): |
---|
112 | #remove any reserved ENCD or ESQP ports from available ports so kuma wouldn't pick an occupied port! |
---|
113 | if 'ENCD' in self.state[k]: |
---|
114 | self.available_ports.discard(self.state[k]['ENCD']) |
---|
115 | elif 'ESQP' in self.state[k]: |
---|
116 | self.available_ports.discard(self.state[k]['ESQP']) |
---|
117 | #Get reserved interfaces in state and remove them from the available set! |
---|
118 | elif 'iiface' in self.state[k]: |
---|
119 | self.iiface.remove(self.state[k]['iiface'] ) |
---|
120 | elif 'eiface' in self.state[k]: |
---|
121 | self.eiface.remove(self.state[k]['eiface'] ) |
---|
122 | self.state_lock.release() |
---|
123 | |
---|
124 | |
---|
125 | # authorization information |
---|
126 | self.auth_type = config.get('access', 'auth_type') \ |
---|
127 | or 'abac' |
---|
128 | self.auth_dir = config.get('access', 'auth_dir') |
---|
129 | accessdb = config.get("access", "accessdb") |
---|
130 | if self.auth_type == 'abac': |
---|
131 | # Load the current authorization state |
---|
132 | self.auth = abac_authorizer(load=self.auth_dir) |
---|
133 | self.access = [ ] |
---|
134 | if accessdb: |
---|
135 | try: |
---|
136 | self.read_access(accessdb, self.access_tuple) |
---|
137 | except EnvironmentError, e: |
---|
138 | self.log.error("Cannot read %s: %s" % \ |
---|
139 | (config.get("access", "accessdb"), e)) |
---|
140 | raise e |
---|
141 | else: |
---|
142 | raise service_error(service_error.internal, |
---|
143 | "Unknown auth_type: %s" % self.auth_type) |
---|
144 | |
---|
145 | #if self.auth_type == 'starbed': |
---|
146 | # self.log.debug("starbed authtication methond"); |
---|
147 | #else: |
---|
148 | # raise service_error(service_error.internal, |
---|
149 | # "Unknown auth_type: %s" % self.auth_type) |
---|
150 | |
---|
151 | #TO DO: clean state ! |
---|
152 | # These dictionaries register the plug-in's local routines for handline |
---|
153 | # these four messages with the server code above. There's a version |
---|
154 | # for SOAP and XMLRPC, depending on which interfaces the plugin |
---|
155 | # supports. There's rarely a technical reason not to support one or |
---|
156 | # the other - the plugin code almost never deals with the transport - |
---|
157 | # but if a plug-in writer wanted to disable XMLRPC, they could leave |
---|
158 | # the self.xmlrpc_services dictionary empty. |
---|
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 | 'InfoSegment': soap_handler("InfoSegment", self.InfoSegment), |
---|
166 | 'OperationSegment': soap_handler("OperationSegment", |
---|
167 | self.OperationSegment), |
---|
168 | |
---|
169 | } |
---|
170 | self.xmlrpc_services = {\ |
---|
171 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
---|
172 | self.RequestAccess), |
---|
173 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
---|
174 | self.ReleaseAccess), |
---|
175 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
---|
176 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
---|
177 | self.TerminateSegment), |
---|
178 | 'InfoSegment': xmlrpc_handler("InfoSegment", self.InfoSegment), |
---|
179 | 'OperationSegment': xmlrpc_handler("OperationSegment", |
---|
180 | self.OperationSegment), |
---|
181 | } |
---|
182 | |
---|
183 | self.call_SetValue = service_caller('SetValue', log=self.log) |
---|
184 | self.call_GetValue = service_caller('GetValue', log=self.log) |
---|
185 | |
---|
186 | self.log.debug("Starbed AC started!") |
---|
187 | def RequestAccess(self, req, fid): |
---|
188 | self.log.info("RequestAccess called by %s" % fid) |
---|
189 | # The dance to get into the request body |
---|
190 | if req.has_key('RequestAccessRequestBody'): |
---|
191 | req = req['RequestAccessRequestBody'] |
---|
192 | else: |
---|
193 | raise service_error(service_error.req, "No request!?") |
---|
194 | if self.auth.import_credentials( |
---|
195 | data_list=req.get('abac_credential', [])): |
---|
196 | self.auth.save() |
---|
197 | else: |
---|
198 | self.log.debug('failed to import incoming credentials') |
---|
199 | if self.auth_type == 'abac': |
---|
200 | found, owners, proof = self.lookup_access(req, fid) |
---|
201 | else: |
---|
202 | raise service_error(service_error.internal, |
---|
203 | 'Unknown auth_type: %s' % self.auth_type) |
---|
204 | # keep track of what's been added |
---|
205 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
---|
206 | aid = unicode(allocID) |
---|
207 | self.state_lock.acquire() |
---|
208 | self.state[aid] = { } |
---|
209 | self.state[aid]['user'] = found[0] |
---|
210 | self.state[aid]['passwd'] = found[1] |
---|
211 | self.state[aid]['project'] = found[2] |
---|
212 | self.state[aid]['owners'] = owners |
---|
213 | self.append_allocation_authorization(aid, |
---|
214 | ((fid, allocID), (allocID, allocID))) |
---|
215 | self.write_state() |
---|
216 | self.state_lock.release() |
---|
217 | |
---|
218 | try: |
---|
219 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
---|
220 | print >>f, alloc_cert |
---|
221 | f.close() |
---|
222 | except EnvironmentError, e: |
---|
223 | self.log.info("RequestAccess failed for by %s: internal error" \ |
---|
224 | % fid) |
---|
225 | raise service_error(service_error.internal, |
---|
226 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
---|
227 | self.log.debug('RequestAccess Returning allocation ID: %s' % allocID) |
---|
228 | return { 'allocID': { 'fedid': allocID }, 'proof': proof.to_dict() } |
---|
229 | def ReleaseAccess(self, req, fid): |
---|
230 | self.log.info("ReleaseAccess called by %s" % fid) |
---|
231 | if req.has_key('ReleaseAccessRequestBody'): |
---|
232 | req = req['ReleaseAccessRequestBody'] |
---|
233 | else: |
---|
234 | raise service_error(service_error.req, "No request!?") |
---|
235 | try: |
---|
236 | if req['allocID'].has_key('localname'): |
---|
237 | auth_attr = aid = req['allocID']['localname'] |
---|
238 | elif req['allocID'].has_key('fedid'): |
---|
239 | aid = unicode(req['allocID']['fedid']) |
---|
240 | auth_attr = req['allocID']['fedid'] |
---|
241 | else: |
---|
242 | raise service_error(service_error.req, |
---|
243 | "Only localnames and fedids are understood") |
---|
244 | except KeyError: |
---|
245 | raise service_error(service_error.req, "Badly formed request") |
---|
246 | |
---|
247 | self.log.debug("[access] deallocation requested for %s by %s" % (aid, fid)) |
---|
248 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
249 | with_proof=True) |
---|
250 | |
---|
251 | if not access_ok: |
---|
252 | self.log.debug("[access] deallocation denied for %s", aid) |
---|
253 | raise service_error(service_error.access, "Access Denied") |
---|
254 | |
---|
255 | self.state_lock.acquire() |
---|
256 | if aid in self.state: |
---|
257 | self.log.debug("Found allocation for %s" %aid) |
---|
258 | self.clear_allocation_authorization(aid, state_attr='state') |
---|
259 | del self.state[aid] |
---|
260 | self.write_state() |
---|
261 | self.state_lock.release() |
---|
262 | # Remove the access cert |
---|
263 | cf = "%s/%s.pem" % (self.certdir, aid) |
---|
264 | self.log.debug("Removing %s" % cf) |
---|
265 | os.remove(cf) |
---|
266 | self.log.info("ReleaseAccess succeeded for %s" % fid) |
---|
267 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
---|
268 | else: |
---|
269 | self.state_lock.release() |
---|
270 | raise service_error(service_error.req, "No such allocation") |
---|
271 | def exportInfo(self,certfile,connInfo,peer_ip): |
---|
272 | |
---|
273 | for c in connInfo: |
---|
274 | for p in [ p for p in c.get('parameter', []) if p.get('type', '') == 'output']: |
---|
275 | if p.get('name', '') == 'peer': |
---|
276 | k = p.get('key', None) |
---|
277 | surl = p.get('store', None) |
---|
278 | if surl : |
---|
279 | if k and k.index('/') != -1: |
---|
280 | value = peer_ip |
---|
281 | #value = "%s.%s.%s" % \ |
---|
282 | # (k[k.index('/')+1:], "tcarch02" , self.domain) |
---|
283 | else: |
---|
284 | self.log.error("Bad export request: %s" % p) |
---|
285 | continue |
---|
286 | self.log.debug("Setting %s to %s on %s" % \ |
---|
287 | (k, value, surl)) |
---|
288 | req = { 'name': k, 'value': value } |
---|
289 | self.call_SetValue(surl, req, certfile) |
---|
290 | else: |
---|
291 | self.log.error("Bad export request: %s" % p) |
---|
292 | elif p.get('name', '') == 'ssh_port': |
---|
293 | k = p.get('key', None) |
---|
294 | surl = p.get('store', None) |
---|
295 | if surl and k: |
---|
296 | req = { 'name': k, 'value': self.ssh_port } |
---|
297 | self.log.debug("Setting %s to %s on %s" % \ |
---|
298 | (k, self.ssh_port, surl)) |
---|
299 | self.call_SetValue(surl, req, certfile ) |
---|
300 | else: |
---|
301 | self.log.error("Bad export request: %s" % p) |
---|
302 | else: |
---|
303 | self.log.error("Unknown export parameter: %s" % \ |
---|
304 | p.get('name')) |
---|
305 | continue |
---|
306 | def fetchConfiguration(self,attrs,aid,certfile,tmpdir): |
---|
307 | configs = ('hosts', 'ssh_pubkey', 'ssh_secretkey') |
---|
308 | pubkey_base = None |
---|
309 | secretkey_base = None |
---|
310 | |
---|
311 | for a in attrs: |
---|
312 | if a['attribute'] in configs: |
---|
313 | try: |
---|
314 | self.log.debug("Retrieving %s from %s to %s" % (a['attribute'], a['value'],tmpdir)) |
---|
315 | get_url(a['value'], certfile, tmpdir, log=self.log) |
---|
316 | except: |
---|
317 | t, v, st = sys.exc_info() |
---|
318 | raise service_error(service_error.internal, |
---|
319 | "Error retrieving %s: %s" % (a.get('value', ""), v)) |
---|
320 | if a['attribute'] == 'ssh_pubkey': |
---|
321 | pubkey_base = a['value'].rpartition('/')[2] |
---|
322 | if a['attribute'] == 'ssh_secretkey': |
---|
323 | secretkey_base = a['value'].rpartition('/')[2] |
---|
324 | if not pubkey_base: |
---|
325 | raise service_error(service_error.req, |
---|
326 | "No public key attribute") |
---|
327 | if not secretkey_base: |
---|
328 | raise service_error(service_error.req, |
---|
329 | "No secret key attribute") |
---|
330 | return (pubkey_base,secretkey_base) |
---|
331 | def getPortalInfo(self,connInfo): |
---|
332 | peer = None |
---|
333 | conn_type = None |
---|
334 | |
---|
335 | def StartSegment(self, req, fid): |
---|
336 | #self.log.debug("data = %s" %(req)); |
---|
337 | self.log.debug('StartSegment called by %s' % (fid) ); |
---|
338 | try: |
---|
339 | req = req['StartSegmentRequestBody'] |
---|
340 | # Get the request topology. If not present, a KeyError is thrown. |
---|
341 | topref = req['segmentdescription']['topdldescription'] |
---|
342 | #self.log.debug("topref = %s " % (topref)); |
---|
343 | # The fedid of the allocation we're attaching resources to |
---|
344 | auth_attr = req['allocID']['fedid'] |
---|
345 | except KeyError: |
---|
346 | raise service_error(server_error.req, "Badly formed request") |
---|
347 | |
---|
348 | connInfo = req.get('connection', []) |
---|
349 | attrs = req.get('fedAttr', []) |
---|
350 | # String version of the allocation ID for keying |
---|
351 | aid = "%s" % auth_attr |
---|
352 | # Authorization check |
---|
353 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
354 | with_proof=True) |
---|
355 | #self.log.debug("lllllacc = %s, proffe= %s" %( access_ok,proof.to_dict())) |
---|
356 | if not access_ok: |
---|
357 | raise service_error(service_error.access, "Access denied", |
---|
358 | proof=proof) |
---|
359 | else: |
---|
360 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
361 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
362 | # redoing the allocation. |
---|
363 | self.state_lock.acquire() |
---|
364 | #retval = self.state[aid].get('started', None) |
---|
365 | #CAUSOION |
---|
366 | retval = 0 |
---|
367 | self.state_lock.release() |
---|
368 | if retval: |
---|
369 | self.log.warning( |
---|
370 | "[StartSegment] Duplicate StartSegment for %s: " \ |
---|
371 | % aid + \ |
---|
372 | "replaying response") |
---|
373 | return retval |
---|
374 | |
---|
375 | certfile = "%s/%s.pem" % (self.certdir, aid) |
---|
376 | |
---|
377 | # Convert the topology into topdl data structures. Again, the |
---|
378 | # skeletion doesn't do anything with it, but this is how one parses a |
---|
379 | # topology request. |
---|
380 | if topref: topo = topdl.Topology(**topref) |
---|
381 | else: |
---|
382 | raise service_error(service_error.req, |
---|
383 | "Request missing segmentdescription'") |
---|
384 | #rmanager = "192.168.1.10:1234" |
---|
385 | #smanager = "192.168.1.10:1240" |
---|
386 | #pmanager = "192.168.1.10:1242" |
---|
387 | #fncp = "192.168.1.10" |
---|
388 | #tftpdman="192.168.1.10" |
---|
389 | #wolagent="192.168.1.10:5959:192.168.0.0/16" |
---|
390 | #encd="192.168.1.21" |
---|
391 | #user = "alwabel" |
---|
392 | #project = "lace" |
---|
393 | if len(self.available_ports) > 1: |
---|
394 | self.state_lock.acquire() |
---|
395 | #Pick two ports for ENCD and ESQP |
---|
396 | ENCD = random.choice([ i for i in self.available_ports]) |
---|
397 | ESQP = random.choice([ i for i in self.available_ports]) |
---|
398 | self.available_ports.discard(ENCD) |
---|
399 | self.available_ports.discard(ESQP) |
---|
400 | self.state[aid]['ENCD'] = ENCD |
---|
401 | self.state[aid]['ESQP'] = ESQP |
---|
402 | self.write_state() |
---|
403 | self.state_lock.release() |
---|
404 | else: |
---|
405 | self.log.debug("[StartSegment] There is no enough ports for kuma!") |
---|
406 | raise service_error(service_error.federant, "No available Ports for Kuma") |
---|
407 | k = klanguage(self.rmanager,self.smanager,self.pmanager,self.fncp,self.state[aid]['user'],self.state[aid]['project'],self.tftpdman,self.wolagent,self.encd) |
---|
408 | k.k_from_topology(topo) |
---|
409 | level, kname = tempfile.mkstemp() |
---|
410 | k.to_file(kname) |
---|
411 | |
---|
412 | pubkey_base = None |
---|
413 | secretkey_base = None |
---|
414 | tmpdir = None |
---|
415 | peer = None |
---|
416 | |
---|
417 | if k.isPortal(): |
---|
418 | self.log.debug("Setting up a portal!") |
---|
419 | try: |
---|
420 | #pick interface |
---|
421 | self.state_lock.acquire() |
---|
422 | if len(self.iiface) > 1: |
---|
423 | IIFACE = random.choice([i for i in self.iiface] ) |
---|
424 | self.iiface.remove(IIFACE) |
---|
425 | self.state[aid]['iiface'] = IIFACE |
---|
426 | ip,substrate = k.getPortalInfo() |
---|
427 | self.log.debug("IIFACE = %s, ip = %s" ,IIFACE,ip) |
---|
428 | Peer.setIP(IIFACE,ip) |
---|
429 | #set interface IP! |
---|
430 | #bridge name always have the following convention interfacenamebr |
---|
431 | Peer.setBridge("%sbr" % (IIFACE) ) |
---|
432 | Peer.addIfaceToBridge(IIFACE,"%sbr" % (IIFACE) ) |
---|
433 | |
---|
434 | else: |
---|
435 | raise BaseException("No available internal interfaces!") |
---|
436 | if len(self.eiface) > 1: |
---|
437 | EIFACE = random.choice([i for i in self.eiface] ) |
---|
438 | self.eiface.remove(EIFACE) |
---|
439 | self.state[aid]['eiface'] = EIFACE |
---|
440 | peer_ip = Peer.getIP(EIFACE) |
---|
441 | else: |
---|
442 | raise BaseException("No available external interfaces!") |
---|
443 | self.state_lock.release() |
---|
444 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
445 | pubkey_base, secretkey_base = self.fetchConfiguration(attrs,aid,certfile,tmpdir) |
---|
446 | self.exportInfo(certfile,connInfo,peer_ip) |
---|
447 | self.import_store_info(certfile, connInfo) |
---|
448 | peer = connInfo[0].get('peer') |
---|
449 | con_type = connInfo[0].get('type') |
---|
450 | self.log.debug("peer = %s, type = %s, ", str(peer),con_type) |
---|
451 | except BaseException as e: |
---|
452 | self.state_lock.release() |
---|
453 | self.log.error("Problem reteriving peer information") |
---|
454 | traceback.print_exc(file=sys.stdout) |
---|
455 | raise service_error(service_error.internal, "Cannot handel peer information!") |
---|
456 | proc = subprocess.Popen(['/usr/local/springos/bin/kuma', '-p',self.state[aid]['passwd'],kname,'-P',str(ENCD),'-Q',str(ESQP)]) |
---|
457 | pid = proc.pid |
---|
458 | #pid = 100000 |
---|
459 | self.log.debug(['/usr/local/springos/bin/kuma', '-p',self.state[aid]['passwd'],kname,'-P',str(ENCD),'-Q',str(ESQP)]) |
---|
460 | #os.unlink(kname) |
---|
461 | # The attributes of the request. Not used by this plug-in, but that's |
---|
462 | # where they are. |
---|
463 | attrs = req.get('fedAttr', []) |
---|
464 | |
---|
465 | # Gather connection information. Used to send messages to those |
---|
466 | # waiting. |
---|
467 | connInfo = req.get('connection', []) |
---|
468 | |
---|
469 | proce1 = None |
---|
470 | if k.isPortal(): |
---|
471 | try: |
---|
472 | proce1 = subprocess.Popen(['./peer_setup.py','-d',peer,'-k','%s/%s'% (tmpdir,pubkey_base),'-b',"%sbr" % (IIFACE),'-i', IIFACE]) |
---|
473 | except: |
---|
474 | self.log.warning("Could not start connection with peer!") |
---|
475 | self.state_lock.acquire() |
---|
476 | # It's possible that the StartSegment call gets retried (!). |
---|
477 | # if the 'started' key is in the allocation, we'll return it rather |
---|
478 | # than redo the setup. The integer allocation was saved when we made |
---|
479 | # it. |
---|
480 | if pubkey_base: |
---|
481 | self.state[aid]['pubkey_base'] = pubkey_base |
---|
482 | if secretkey_base: |
---|
483 | self.state[aid]['secretkey_base'] = secretkey_base |
---|
484 | if tmpdir: |
---|
485 | self.state[aid]['tmpdir'] = tmpdir |
---|
486 | if peer: |
---|
487 | self.state[aid]['peer'] = peer |
---|
488 | if proce1: |
---|
489 | self.state[aid]['ssh_pid'] = proce1.pid |
---|
490 | self.state[aid]['pid'] = pid |
---|
491 | self.state[aid]['descfile'] = kname |
---|
492 | self.state[aid]['started'] = { |
---|
493 | 'allocID': req['allocID'], |
---|
494 | 'allocationLog': "Allocatation complete", |
---|
495 | 'segmentdescription': { 'topdldescription': topo.to_dict() }, |
---|
496 | #'proof' : proof("me", "faber","attr",[]).to_dict(), |
---|
497 | 'proof': proof.to_dict(), |
---|
498 | #'pid' : pid |
---|
499 | 'fedAttr': [ |
---|
500 | { 'attribute': 'domain', 'value': self.domain } , |
---|
501 | {'attribute': 'dragon', 'value' : '128.9.168.133'}, |
---|
502 | ] |
---|
503 | } |
---|
504 | retval = copy.deepcopy(self.state[aid]['started']) |
---|
505 | self.write_state() |
---|
506 | self.state_lock.release() |
---|
507 | return retval |
---|
508 | |
---|
509 | def TerminateSegment(self, req, fid): |
---|
510 | self.log.debug("Terminate Segment"); |
---|
511 | # Gather the same access information as for Start Segment |
---|
512 | try: |
---|
513 | req = req['TerminateSegmentRequestBody'] |
---|
514 | except KeyError: |
---|
515 | raise service_error(server_error.req, "Badly formed request") |
---|
516 | |
---|
517 | auth_attr = req['allocID']['fedid'] |
---|
518 | aid = "%s" % auth_attr |
---|
519 | |
---|
520 | self.log.debug("Terminate request for %s" %aid) |
---|
521 | # Check authorization |
---|
522 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
523 | with_proof=True) |
---|
524 | if not access_ok: |
---|
525 | raise service_error(service_error.access, "Access denied", |
---|
526 | proof=proof) |
---|
527 | |
---|
528 | # Authorized: remove the integer from the allocation. A more complex |
---|
529 | # plug in would interface with the underlying facility to turn off the |
---|
530 | # experiment here. |
---|
531 | self.state_lock.acquire() |
---|
532 | if aid in self.state: |
---|
533 | pid = self.state[aid].get('pid', None) |
---|
534 | if pid: |
---|
535 | try: |
---|
536 | self.log.debug("kill process %s " % (pid)) |
---|
537 | os.kill(int(pid), signal.SIGTERM) |
---|
538 | #os.kill(int(pid),9) |
---|
539 | os.wait() |
---|
540 | except OSError as ex: |
---|
541 | self.log.warning("Cannot kill process %s " % (pid)) |
---|
542 | if 'ssh_pid' in self.state[aid]: |
---|
543 | try: |
---|
544 | os.kill(int(self.state[aid]['ssh_pid'] ) ) |
---|
545 | os.wait() |
---|
546 | except OSError as ex: |
---|
547 | self.log.warning("Cannot kill process") |
---|
548 | descfile = self.state[aid].get('descfile',None) |
---|
549 | if descfile: |
---|
550 | os.unlink(descfile) |
---|
551 | del self.state[aid]['descfile'] |
---|
552 | if 'ENCD' in self.state[aid]: |
---|
553 | del self.state[aid]['ENCD'] |
---|
554 | if 'ESQP' in self.state[aid]: |
---|
555 | del self.state[aid]['ESQP'] |
---|
556 | del self.state[aid]['started'] |
---|
557 | |
---|
558 | if 'eiface' in self.state[aid]: |
---|
559 | del self.state[aid]['eiface'] |
---|
560 | if 'iiface' in self.state[aid]: |
---|
561 | try: |
---|
562 | Peer.delBridge("%sbr" % self.state[aid]['iiface'] ) |
---|
563 | except: |
---|
564 | self.log.warning("Problem removing bridge %sbr" % self.state[aid]['eiface'] ) |
---|
565 | del self.state[aid]['iiface'] |
---|
566 | if 'pubkey_base' in self.state[aid]: |
---|
567 | del self.state[aid]['pubkey_base'] |
---|
568 | if 'secretkey_base' in self.state[aid]: |
---|
569 | del self.state[aid]['secretkey_base'] |
---|
570 | if 'tmpdir' in self.state[aid]: |
---|
571 | try: |
---|
572 | shutil.rmtree(self.state[aid]['tmpdir']) |
---|
573 | except OSError as e: |
---|
574 | self.log.warning("Problem removing directory %s" % (self.state[aid]['tmpdir'] )) |
---|
575 | del self.state[aid]['tmpdir'] |
---|
576 | if 'peer' in self.state[aid]: |
---|
577 | del self.state[aid]['peer'] |
---|
578 | self.write_state() |
---|
579 | self.state_lock.release() |
---|
580 | |
---|
581 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
---|
582 | def InfoSegment(self, req, fid): |
---|
583 | self.log.info("InfoSegment called by %s" % fid) |
---|
584 | |
---|
585 | def OperationSegment(self, req, fid): |
---|
586 | self.log.info("OperationSegment called by %s" % (fid) ) |
---|
587 | self.log.debug("req = %s " % req ) |
---|