4 from StringIO import StringIO
5 from types import StringTypes
6 from copy import deepcopy
10 from sfa.util.sfalogging import logger
11 #from sfa.util.sfalogging import sfa_logger
12 from sfa.util.rspecHelper import merge_rspecs
13 from sfa.util.xrn import Xrn, urn_to_hrn, hrn_to_urn
14 from sfa.util.plxrn import hrn_to_pl_slicename
15 from sfa.util.rspec import *
16 from sfa.util.specdict import *
17 from sfa.util.faults import *
18 from sfa.util.record import SfaRecord
19 #from sfa.rspecs.pg_rspec import PGRSpec
20 #from sfa.rspecs.sfa_rspec import SfaRSpec
21 from sfa.rspecs.rspec_converter import RSpecConverter
22 #from sfa.rspecs.rspec_parser import parse_rspec
23 #from sfa.rspecs.rspec_version import RSpecVersion
24 #from sfa.rspecs.sfa_rspec import sfa_rspec_version
25 #from sfa.rspecs.pg_rspec import pg_rspec_ad_version, pg_rspec_request_version
26 from sfa.client.client_helper import sfa_to_pg_users_arg
27 from sfa.rspecs.version_manager import VersionManager
29 from sfa.rspecs.rspec import RSpec
30 from sfa.util.policy import Policy
31 from sfa.util.prefixTree import prefixTree
32 from sfa.util.sfaticket import *
33 from sfa.trust.credential import Credential
34 from sfa.util.threadmanager import ThreadManager
35 import sfa.util.xmlrpcprotocol as xmlrpcprotocol
36 import sfa.plc.peers as peers
37 from sfa.util.version import version_core
38 from sfa.util.callids import Callids
40 def _call_id_supported(api, server):
42 Returns true if server support the optional call_id arg, false otherwise.
44 server_version = api.get_cached_server_version(server)
46 if 'sfa' in server_version:
47 code_tag = server_version['code_tag']
48 code_tag_parts = code_tag.split("-")
50 version_parts = code_tag_parts[0].split(".")
51 major, minor = version_parts[0:2]
52 rev = code_tag_parts[1]
54 if int(minor) > 0 or int(rev) > 20:
58 # we have specialized xmlrpclib.ServerProxy to remember the input url
59 # OTOH it's not clear if we're only dealing with XMLRPCServerProxy instances
60 def get_serverproxy_url (server):
62 return server.get_url()
64 logger.warning("GetVersion, falling back to xmlrpclib.ServerProxy internals")
65 return server._ServerProxy__host + server._ServerProxy__handler
68 # peers explicitly in aggregates.xml
69 peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
70 if peername != api.hrn])
71 version_manager = VersionManager()
72 ad_rspec_versions = []
73 request_rspec_versions = []
74 for rspec_version in version_manager.versions:
75 if rspec_version.content_type in ['*', 'ad']:
76 ad_rspec_versions.append(rspec_version.to_dict())
77 if rspec_version.content_type in ['*', 'request']:
78 request_rspec_versions.append(rspec_version.to_dict())
79 default_rspec_version = version_manager.get_version("sfa 1").to_dict()
80 xrn=Xrn(api.hrn, 'authority+sa')
81 version_more = {'interface':'slicemgr',
82 'hrn' : xrn.get_hrn(),
83 'urn' : xrn.get_urn(),
85 'request_rspec_versions': request_rspec_versions,
86 'ad_rspec_versions': ad_rspec_versions,
87 'default_ad_rspec': default_rspec_version
89 sm_version=version_core(version_more)
90 # local aggregate if present needs to have localhost resolved
91 if api.hrn in api.aggregates:
92 local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
93 sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
98 ## peers explicitly in aggregates.xml
99 #peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
100 #if peername != api.hrn])
102 #request_rspec_versions = [dict(pg_rspec_request_version), dict(sfa_rspec_version)]
103 #ad_rspec_versions = [dict(pg_rspec_ad_version), dict(sfa_rspec_version)]
104 #version_more = {'interface':'slicemgr',
105 #'hrn' : xrn.get_hrn(),
106 #'urn' : xrn.get_urn(),
108 #'request_rspec_versions': request_rspec_versions,
109 #'ad_rspec_versions': ad_rspec_versions,
110 #'default_ad_rspec': dict(sfa_rspec_version)
112 #sm_version=version_core(version_more)
113 ## local aggregate if present needs to have localhost resolved
114 #if api.hrn in api.aggregates:
115 #local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
116 #sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
120 def drop_slicemgr_stats(api,rspec):
122 stats_elements = rspec.xml.xpath('//statistics')
123 for node in stats_elements:
124 node.getparent().remove(node)
126 api.logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
131 def CreateSliver(api, xrn, creds, rspec_str, users, call_id):
132 version_manager = VersionManager()
133 def _CreateSliver(aggregate, xrn, credential, rspec, users, call_id):
134 # Need to call ParseVersion at an aggregate to determine the supported
135 # rspec type/format beofre calling CreateSliver at an Aggregate.
136 # The Aggregate's verion info is cached
140 # Need to call GetVersion at an aggregate to determine the supported
141 # rspec type/format beofre calling CreateSliver at an Aggregate.
142 server_version = api.get_cached_server_version(server)
143 requested_users = users
144 if 'sfa' not in server_version and 'geni_api' in server_version:
145 # sfa aggregtes support both sfa and pg rspecs, no need to convert
146 # if aggregate supports sfa rspecs. otherwise convert to pg rspec
147 rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request'))
148 filter = {'component_manager_id': server_version['urn']}
150 rspec = rspec.toxml()
151 requested_users = sfa_to_pg_users_arg(users)
152 args = [xrn, credential, rspec, requested_users]
153 if _call_id_supported(api, server):
155 rspec = server.CreateSliver(*args)
156 return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
158 logger.log_exc('Something wrong in _CreateSliver with URL %s'%server.url)
159 return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception"}
162 if Callids().already_handled(call_id): return ""
164 # Validate the RSpec against PlanetLab's schema --disabled for now
165 # The schema used here needs to aggregate the PL and VINI schemas
166 # schema = "/var/www/html/schemas/pl.rng"
167 rspec = RSpec(rspec_str)
170 rspec.validate(schema)
172 print>>sys.stderr, " \r\n \r\n \t\t =======SLICE MANAGER _CreateSliver api %s" %(api)
173 # if there is a <statistics> section, the aggregates don't care about it,
175 drop_slicemgr_stats(api,rspec)
177 # attempt to use delegated credential first
178 credential = api.getDelegatedCredential(creds)
180 credential = api.getCredential()
182 # get the callers hrn
183 hrn, type = urn_to_hrn(xrn)
184 valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0]
185 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
186 threads = ThreadManager()
188 for aggregate in api.aggregates:
189 # prevent infinite loop. Dont send request back to caller
190 # unless the caller is the aggregate's SM
191 if caller_hrn == aggregate and aggregate != api.hrn:
193 interface = api.aggregates[aggregate]
194 server = api.get_server(interface, credential)
195 # Just send entire RSpec to each aggregate
196 threads.run(_CreateSliver, aggregate, xrn, [credential], rspec.toxml(), users, call_id)
198 results = threads.get_results()
199 manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest')
200 result_rspec = RSpec(version=manifest_version)
202 for result in results:
203 add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"])
204 if result["status"]=="success":
206 result_rspec.version.merge(result["rspec"])
208 api.logger.log_exc("SM.CreateSliver: Failed to merge aggregate rspec")
209 return result_rspec.toxml()
211 #return rspec.toxml()
213 def RenewSliver(api, xrn, creds, expiration_time, call_id):
214 if Callids().already_handled(call_id): return True
216 (hrn, type) = urn_to_hrn(xrn)
217 # get the callers hrn
218 valid_cred = api.auth.checkCredentials(creds, 'renewsliver', hrn)[0]
219 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
221 # attempt to use delegated credential first
222 credential = api.getDelegatedCredential(creds)
224 credential = api.getCredential()
225 threads = ThreadManager()
226 for aggregate in api.aggregates:
227 # prevent infinite loop. Dont send request back to caller
228 # unless the caller is the aggregate's SM
229 if caller_hrn == aggregate and aggregate != api.hrn:
232 server = api.aggregates[aggregate]
233 threads.run(server.RenewSliver, xrn, [credential], expiration_time, call_id)
235 return reduce (lambda x,y: x and y, threads.get_results() , True)
237 def get_ticket(api, xrn, creds, rspec, users):
238 slice_hrn, type = urn_to_hrn(xrn)
239 # get the netspecs contained within the clients rspec
240 aggregate_rspecs = {}
241 tree= etree.parse(StringIO(rspec))
242 elements = tree.findall('./network')
243 for element in elements:
244 aggregate_hrn = element.values()[0]
245 aggregate_rspecs[aggregate_hrn] = rspec
247 # get the callers hrn
248 valid_cred = api.auth.checkCredentials(creds, 'getticket', slice_hrn)[0]
249 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
251 # attempt to use delegated credential first
252 credential = api.getDelegatedCredential(creds)
254 credential = api.getCredential()
255 threads = ThreadManager()
256 for (aggregate, aggregate_rspec) in aggregate_rspecs.iteritems():
257 # prevent infinite loop. Dont send request back to caller
258 # unless the caller is the aggregate's SM
259 if caller_hrn == aggregate and aggregate != api.hrn:
262 if aggregate in api.aggregates:
263 server = api.aggregates[aggregate]
265 net_urn = hrn_to_urn(aggregate, 'authority')
266 # we may have a peer that knows about this aggregate
267 for agg in api.aggregates:
268 target_aggs = api.aggregates[agg].get_aggregates(credential, net_urn)
269 if not target_aggs or not 'hrn' in target_aggs[0]:
271 # send the request to this address
272 url = target_aggs[0]['url']
273 server = xmlrpcprotocol.get_server(url, api.key_file, api.cert_file)
274 # aggregate found, no need to keep looping
278 threads.run(server.ParseTicket, xrn, credential, aggregate_rspec, users)
280 results = threads.get_results()
282 # gather information from each ticket
287 for result in results:
288 agg_ticket = SfaTicket(string=result)
289 attrs = agg_ticket.get_attributes()
291 object_gid = agg_ticket.get_gid_object()
292 rspecs.append(agg_ticket.get_rspec())
293 initscripts.extend(attrs.get('initscripts', []))
294 slivers.extend(attrs.get('slivers', []))
297 attributes = {'initscripts': initscripts,
299 merged_rspec = merge_rspecs(rspecs)
301 # create a new ticket
302 ticket = SfaTicket(subject = slice_hrn)
303 ticket.set_gid_caller(api.auth.client_gid)
304 ticket.set_issuer(key=api.key, subject=api.hrn)
305 ticket.set_gid_object(object_gid)
306 ticket.set_pubkey(object_gid.get_pubkey())
307 #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
308 ticket.set_attributes(attributes)
309 ticket.set_rspec(merged_rspec)
312 return ticket.save_to_string(save_parents=True)
315 def DeleteSliver(api, xrn, creds, call_id):
316 if Callids().already_handled(call_id): return ""
317 (hrn, type) = urn_to_hrn(xrn)
318 # get the callers hrn
319 valid_cred = api.auth.checkCredentials(creds, 'deletesliver', hrn)[0]
320 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
322 # attempt to use delegated credential first
323 credential = api.getDelegatedCredential(creds)
325 credential = api.getCredential()
326 threads = ThreadManager()
327 for aggregate in api.aggregates:
328 # prevent infinite loop. Dont send request back to caller
329 # unless the caller is the aggregate's SM
330 if caller_hrn == aggregate and aggregate != api.hrn:
332 server = api.aggregates[aggregate]
333 threads.run(server.DeleteSliver, xrn, credential, call_id)
334 threads.get_results()
337 def start_slice(api, xrn, creds):
338 hrn, type = urn_to_hrn(xrn)
340 # get the callers hrn
341 valid_cred = api.auth.checkCredentials(creds, 'startslice', hrn)[0]
342 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
344 # attempt to use delegated credential first
345 credential = api.getDelegatedCredential(creds)
347 credential = api.getCredential()
348 threads = ThreadManager()
349 for aggregate in api.aggregates:
350 # prevent infinite loop. Dont send request back to caller
351 # unless the caller is the aggregate's SM
352 if caller_hrn == aggregate and aggregate != api.hrn:
354 server = api.aggregates[aggregate]
355 threads.run(server.Start, xrn, credential)
356 threads.get_results()
359 def stop_slice(api, xrn, creds):
360 hrn, type = urn_to_hrn(xrn)
362 # get the callers hrn
363 valid_cred = api.auth.checkCredentials(creds, 'stopslice', hrn)[0]
364 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
366 # attempt to use delegated credential first
367 credential = api.getDelegatedCredential(creds)
369 credential = api.getCredential()
370 threads = ThreadManager()
371 for aggregate in api.aggregates:
372 # prevent infinite loop. Dont send request back to caller
373 # unless the caller is the aggregate's SM
374 if caller_hrn == aggregate and aggregate != api.hrn:
376 server = api.aggregates[aggregate]
377 threads.run(server.Stop, xrn, credential)
378 threads.get_results()
381 def reset_slice(api, xrn):
387 def shutdown(api, xrn, creds):
393 def status(api, xrn, creds):
399 # Thierry : caching at the slicemgr level makes sense to some extent
402 def ListSlices(api, creds, call_id):
404 if Callids().already_handled(call_id): return []
406 # look in cache first
407 if caching and api.cache:
408 slices = api.cache.get('slices')
412 # get the callers hrn
413 valid_cred = api.auth.checkCredentials(creds, 'listslices', None)[0]
414 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
416 # attempt to use delegated credential first
417 credential = api.getDelegatedCredential(creds)
419 credential = api.getCredential()
420 threads = ThreadManager()
421 # fetch from aggregates
422 for aggregate in api.aggregates:
423 # prevent infinite loop. Dont send request back to caller
424 # unless the caller is the aggregate's SM
425 if caller_hrn == aggregate and aggregate != api.hrn:
427 server = api.aggregates[aggregate]
428 threads.run(server.ListSlices, credential, call_id)
431 results = threads.get_results()
433 for result in results:
434 slices.extend(result)
437 if caching and api.cache:
438 api.cache.add('slices', slices)
442 def add_slicemgr_stat(rspec, callname, aggname, elapsed, status):
444 stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
446 stats_tag = stats_tags[0]
448 stats_tag = etree.SubElement(rspec.xml.root, "statistics", call=callname)
450 etree.SubElement(stats_tag, "aggregate", name=str(aggname), elapsed=str(elapsed), status=str(status))
452 api.logger.warn("add_slicemgr_stat failed on %s: %s" %(aggname, str(e)))
457 def ListResources(api, creds, options, call_id):
458 version_manager = VersionManager()
459 def _ListResources(aggregate, server, credential, opts, call_id):
462 args = [credential, my_opts]
465 if _call_id_supported(api, server):
467 version = api.get_cached_server_version(server)
468 # force ProtoGENI aggregates to give us a v2 RSpec
469 if 'sfa' not in version.keys():
470 my_opts['rspec_version'] = version_manager.get_version('ProtoGENI 2').to_dict()
471 rspec = server.ListResources(*args)
472 return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
474 api.logger.log_exc("ListResources failed at %s" %(server.url))
475 return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception"}
477 if Callids().already_handled(call_id): return ""
479 # get slice's hrn from options
480 xrn = options.get('geni_slice_urn', '')
481 (hrn, type) = urn_to_hrn(xrn)
482 if 'geni_compressed' in options:
483 del(options['geni_compressed'])
485 # get the rspec's return format from options
486 rspec_version = version_manager.get_version(options.get('rspec_version'))
487 version_string = "rspec_%s" % (rspec_version.to_string())
489 # look in cache first
490 if caching and api.cache and not xrn:
491 rspec = api.cache.get(version_string)
495 # get the callers hrn
496 valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
497 caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
499 # attempt to use delegated credential first
500 cred = api.getDelegatedCredential(creds)
502 cred = api.getCredential()
503 threads = ThreadManager()
504 for aggregate in api.aggregates:
505 # prevent infinite loop. Dont send request back to caller
506 # unless the caller is the aggregate's SM
507 if caller_hrn == aggregate and aggregate != api.hrn:
510 # get the rspec from the aggregate
511 interface = api.aggregates[aggregate]
512 server = api.get_server(interface, cred)
513 threads.run(_ListResources, aggregate, server, [cred], options, call_id)
516 results = threads.get_results()
517 rspec_version = version_manager.get_version(options.get('rspec_version'))
519 result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'manifest')
521 result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'ad')
522 rspec = RSpec(version=result_version)
523 for result in results:
524 add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], result["status"])
525 if result["status"]=="success":
527 rspec.version.merge(result["rspec"])
529 api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec")
532 if caching and api.cache and not xrn:
533 api.cache.add(version_string, rspec.toxml())
535 print >>sys.stderr, "\r\n slice_manager \r\n" , rspec
538 #def ListResources(api, creds, options, call_id):
540 #if Callids().already_handled(call_id): return ""
542 ## get slice's hrn from options
543 #xrn = options.get('geni_slice_urn', '')
544 #(hrn, type) = urn_to_hrn(xrn)
545 #print >>sys.stderr, " SM_ListResources xrn " , xrn
546 ##print >>sys.stderr, " SM ListResources api.__dict__ " , api.__dict__.keys()
547 ##print >>sys.stderr, " SM ListResources dir(api)" , dir(api)
548 #print >>sys.stderr, " \r\n avant RspecVersion \r\n \r\n"
549 ## get the rspec's return format from options
550 #rspec_version = RSpecVersion(options.get('rspec_version'))
551 #print >>sys.stderr, " \r\n \r\n ListResources RSpecVersion ", rspec_version
552 #version_string = "rspec_%s" % (rspec_version.get_version_name())
554 ##panos adding the info option to the caching key (can be improved)
555 #if options.get('info'):
556 #version_string = version_string + "_"+options.get('info')
558 #print>>sys.stderr,"version string = ",version_string
560 ## look in cache first
561 #if caching and api.cache and not xrn:
562 #print>>sys.stderr," \r\n caching %s and api.cache %s and not xrn %s"%(caching , api.cache,xrn)
563 #rspec = api.cache.get(version_string)
567 ## get the callers hrn
568 #print >>sys.stderr, " SM ListResources get the callers hrn "
569 #valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
570 #caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
571 #print >>sys.stderr, " \r\n SM ListResources get the callers caller_hrn hrn %s "%(caller_hrn)
572 ## attempt to use delegated credential first
573 #credential = api.getDelegatedCredential(creds)
574 #print >>sys.stderr, " \r\n SM ListResources get the callers credential %s "%(credential)
576 #credential = api.getCredential()
577 #threads = ThreadManager()
578 #print >>sys.stderr, " \r\n SM ListResources get the callers api.aggregates %s "%(api.aggregates)
579 #for aggregate in api.aggregates:
580 ## prevent infinite loop. Dont send request back to caller
581 ## unless the caller is the aggregate's SM
582 #if caller_hrn == aggregate and aggregate != api.hrn:
584 ## get the rspec from the aggregate
585 #server = api.aggregates[aggregate]
586 #print >>sys.stderr, " Slice Mgr ListResources, server" ,server
587 #my_opts = copy(options)
588 #my_opts['geni_compressed'] = False
589 #threads.run(server.ListResources, credential, my_opts, call_id)
590 #print >>sys.stderr, "\r\n !!!!!!!!!!!!!!!! \r\n"
591 #results = threads.get_results()
592 ##results.append(open('/root/protogeni.rspec', 'r').read())
593 #rspec_version = RSpecVersion(my_opts.get('rspec_version'))
594 #if rspec_version['type'].lower() == 'protogeni':
599 #for result in results:
600 #print >>sys.stderr, "\r\n slice_manager result" , result
602 #print >>sys.stderr, "avant merge" , rspec
604 #print >>sys.stderr, "AFTERMERGE" , rspec
607 #api.logger.info("SM.ListResources: Failed to merge aggregate rspec")
610 #if caching and api.cache and not xrn:
611 #api.cache.add(version_string, rspec.toxml())
613 #print >>sys.stderr, "\r\n slice_manager \r\n" , rspec
614 #return rspec.toxml()
616 # first draft at a merging SliverStatus
617 def SliverStatus(api, slice_xrn, creds, call_id):
618 if Callids().already_handled(call_id): return {}
619 # attempt to use delegated credential first
620 credential = api.getDelegatedCredential(creds)
622 credential = api.getCredential()
623 threads = ThreadManager()
624 for aggregate in api.aggregates:
625 server = api.aggregates[aggregate]
626 threads.run (server.SliverStatus, slice_xrn, credential, call_id)
627 results = threads.get_results()
629 # get rid of any void result - e.g. when call_id was hit where by convention we return {}
630 results = [ result for result in results if result and result['geni_resources']]
632 # do not try to combine if there's no result
633 if not results : return {}
635 # otherwise let's merge stuff
638 # mmh, it is expected that all results carry the same urn
639 overall['geni_urn'] = results[0]['geni_urn']
641 # consolidate geni_status - simple model using max on a total order
642 states = [ 'ready', 'configuring', 'failed', 'unknown' ]
644 shash = dict ( zip ( states, range(len(states)) ) )
645 def combine_status (x,y):
646 return shash [ max (shash(x),shash(y)) ]
647 overall['geni_status'] = reduce (combine_status, [ result['geni_status'] for result in results], 'ready' )
649 # {'ready':0,'configuring':1,'failed':2,'unknown':3}
650 # append all geni_resources
651 overall['geni_resources'] = \
652 reduce (lambda x,y: x+y, [ result['geni_resources'] for result in results] , [])
658 r.parseFile(sys.argv[1])
660 CreateSliver(None,'plc.princeton.tmacktestslice',rspec,'create-slice-tmacktestslice')
662 if __name__ == "__main__":