import sys
+import traceback
import time
from StringIO import StringIO
from copy import copy
local_am_url=self.get_serverproxy_url(api.aggregates[api.hrn])
sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
return sm_version
-
- def drop_slicemgr_stats(self, rspec):
+
+def drop_slicemgr_stats(rspec):
+ try:
+ stats_elements = rspec.xml.xpath('//statistics')
+ for node in stats_elements:
+ node.getparent().remove(node)
+ except Exception, e:
+ logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
+
+def add_slicemgr_stat(rspec, callname, aggname, elapsed, status, exc_info=None):
+ try:
+ stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
+ if stats_tags:
+ stats_tag = stats_tags[0]
+ else:
+ stats_tag = etree.SubElement(rspec.xml.root, "statistics", call=callname)
+
+ stat_tag = etree.SubElement(stats_tag, "aggregate", name=str(aggname), elapsed=str(elapsed), status=str(status))
+
+ if exc_info:
+ exc_tag = etree.SubElement(stat_tag, "exc_info", name=str(exc_info[1]))
+
+ # this would encode it as a text block
+ #exc_tag.text = "\n".join(traceback.format_exception(exc_info[0], exc_info[1], exc_info[2]))
+
+ # this encodes the traceback as a set of xml tags
+ tb = traceback.extract_tb(exc_info[2])
+ for item in tb:
+ exc_frame = etree.SubElement(exc_tag, "tb_frame", filename=str(item[0]), line=str(item[1]), func=str(item[2]), code=str(item[3]))
+
+ except Exception, e:
+ logger.warn("add_slicemgr_stat failed on %s: %s" %(aggname, str(e)))
+
+def ListResources(api, creds, options, call_id):
+ version_manager = VersionManager()
+ def _ListResources(aggregate, server, credential, opts, call_id):
+
+ my_opts = copy(opts)
+ args = [credential, my_opts]
+ tStart = time.time()
try:
stats_elements = rspec.xml.xpath('//statistics')
for node in stats_elements:
node.getparent().remove(node)
except Exception, e:
- logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
-
- def add_slicemgr_stat(self, rspec, callname, aggname, elapsed, status):
+ api.logger.log_exc("ListResources failed at %s" %(server.url))
+ return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()}
+
+ if Callids().already_handled(call_id): return ""
+
+ # get slice's hrn from options
+ xrn = options.get('geni_slice_urn', '')
+ (hrn, type) = urn_to_hrn(xrn)
+ if 'geni_compressed' in options:
+ del(options['geni_compressed'])
+
+ # get the rspec's return format from options
+ rspec_version = version_manager.get_version(options.get('rspec_version'))
+ version_string = "rspec_%s" % (rspec_version.to_string())
+
+ # look in cache first
+ if caching and api.cache and not xrn:
+ rspec = api.cache.get(version_string)
+ if rspec:
+ return rspec
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'listnodes', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+
+ # get the rspec from the aggregate
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ threads.run(_ListResources, aggregate, server, [cred], options, call_id)
+
+
+ results = threads.get_results()
+ rspec_version = version_manager.get_version(options.get('rspec_version'))
+ if xrn:
+ result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'manifest')
+ else:
+ result_version = version_manager._get_version(rspec_version.type, rspec_version.version, 'ad')
+ rspec = RSpec(version=result_version)
+ for result in results:
+ add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], result["status"], result.get("exc_info",None))
+ if result["status"]=="success":
+ try:
+ rspec.version.merge(result["rspec"])
+ except:
+ api.logger.log_exc("SM.ListResources: Failed to merge aggregate rspec")
+
+ # cache the result
+ if caching and api.cache and not xrn:
+ api.cache.add(version_string, rspec.toxml())
+
+ return rspec.toxml()
+
+
+def CreateSliver(api, xrn, creds, rspec_str, users, call_id):
+
+ version_manager = VersionManager()
+ def _CreateSliver(aggregate, server, xrn, credential, rspec, users, call_id):
+ tStart = time.time()
try:
stats_tags = rspec.xml.xpath('//statistics[@call="%s"]' % callname)
if stats_tags:
args = [xrn, creds, expiration_time, call_id]
if self._call_id_supported(api, server):
args.append(call_id)
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+ rspec = server.CreateSliver(*args)
+ return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
+ except:
+ logger.log_exc('Something wrong in _CreateSliver with URL %s'%server.url)
+ return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception", "exc_info": sys.exc_info()}
+
+ if Callids().already_handled(call_id): return ""
+ # Validate the RSpec against PlanetLab's schema --disabled for now
+ # The schema used here needs to aggregate the PL and VINI schemas
+ # schema = "/var/www/html/schemas/pl.rng"
+ rspec = RSpec(rspec_str)
+# schema = None
+# if schema:
+# rspec.validate(schema)
+
+ # if there is a <statistics> section, the aggregates don't care about it,
+ # so delete it.
+ drop_slicemgr_stats(rspec)
+
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+
+ # get the callers hrn
+ hrn, type = urn_to_hrn(xrn)
+ valid_cred = api.auth.checkCredentials(creds, 'createsliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ # Just send entire RSpec to each aggregate
+ threads.run(_CreateSliver, aggregate, server, xrn, [cred], rspec.toxml(), users, call_id)
+=======
return server.RenewSliver(*args)
if Callids().already_handled(call_id): return True
# unless the caller is the aggregate's SM
if caller_hrn == aggregate and aggregate != api.hrn:
continue
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+ results = threads.get_results()
+ manifest_version = version_manager._get_version(rspec.version.type, rspec.version.version, 'manifest')
+ result_rspec = RSpec(version=manifest_version)
+ for result in results:
+ add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"], result.get("exc_info",None))
+ if result["status"]=="success":
+ try:
+ result_rspec.version.merge(result["rspec"])
+ except:
+ api.logger.log_exc("SM.CreateSliver: Failed to merge aggregate rspec")
+ return result_rspec.toxml()
+
+def RenewSliver(api, xrn, creds, expiration_time, call_id):
+ def _RenewSliver(server, xrn, creds, expiration_time, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [xrn, creds, expiration_time, call_id]
+ if _call_id_supported(api, server):
+ args.append(call_id)
+ return server.RenewSliver(*args)
+
+ if Callids().already_handled(call_id): return True
+
+ (hrn, type) = urn_to_hrn(xrn)
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'renewsliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ threads.run(_RenewSliver, server, xrn, [cred], expiration_time, call_id)
+ # 'and' the results
+ return reduce (lambda x,y: x and y, threads.get_results() , True)
+
+def DeleteSliver(api, xrn, creds, call_id):
+ def _DeleteSliver(server, xrn, creds, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [xrn, creds]
+ if _call_id_supported(api, server):
+ args.append(call_id)
+ return server.DeleteSliver(*args)
+
+ if Callids().already_handled(call_id): return ""
+ (hrn, type) = urn_to_hrn(xrn)
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'deletesliver', hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ threads.run(_DeleteSliver, server, xrn, [cred], call_id)
+ threads.get_results()
+ return 1
+
+
+# first draft at a merging SliverStatus
+def SliverStatus(api, slice_xrn, creds, call_id):
+ def _SliverStatus(server, xrn, creds, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [xrn, creds]
+ if _call_id_supported(api, server):
+ args.append(call_id)
+ return server.SliverStatus(*args)
+=======
interface = api.aggregates[aggregate]
server = api.server_proxy(interface, cred)
threads.run(server.GetTicket, xrn, [cred], aggregate_rspec, users)
-
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
+
+<<<<<<< HEAD:sfa/managers/slice_manager.py
+ if Callids().already_handled(call_id): return {}
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ threads.run (_SliverStatus, server, slice_xrn, [cred], call_id)
+ results = threads.get_results()
+
+ # get rid of any void result - e.g. when call_id was hit where by convention we return {}
+ results = [ result for result in results if result and result['geni_resources']]
+
+ # do not try to combine if there's no result
+ if not results : return {}
+
+ # otherwise let's merge stuff
+ overall = {}
+
+ # mmh, it is expected that all results carry the same urn
+ overall['geni_urn'] = results[0]['geni_urn']
+ overall['pl_login'] = results[0]['pl_login']
+ # append all geni_resources
+ overall['geni_resources'] = \
+ reduce (lambda x,y: x+y, [ result['geni_resources'] for result in results] , [])
+ overall['status'] = 'unknown'
+ if overall['geni_resources']:
+ overall['status'] = 'ready'
+
+ return overall
+
+caching=True
+#caching=False
+def ListSlices(api, creds, call_id):
+ def _ListSlices(server, creds, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [creds]
+ if _call_id_supported(api, server):
+ args.append(call_id)
+ return server.ListSlices(*args)
+
+ if Callids().already_handled(call_id): return []
+
+ # look in cache first
+ if caching and api.cache:
+ slices = api.cache.get('slices')
+ if slices:
+ return slices
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'listslices', None)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ cred= api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ # fetch from aggregates
+ for aggregate in api.aggregates:
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+ interface = api.aggregates[aggregate]
+ server = api.get_server(interface, cred)
+ threads.run(_ListSlices, server, [cred], call_id)
+
+ # combime results
+ results = threads.get_results()
+ slices = []
+ for result in results:
+ slices.extend(result)
+
+ # cache the result
+ if caching and api.cache:
+ api.cache.add('slices', slices)
+
+ return slices
+
+
+def get_ticket(api, xrn, creds, rspec, users):
+ slice_hrn, type = urn_to_hrn(xrn)
+ # get the netspecs contained within the clients rspec
+ aggregate_rspecs = {}
+ tree= etree.parse(StringIO(rspec))
+ elements = tree.findall('./network')
+ for element in elements:
+ aggregate_hrn = element.values()[0]
+ aggregate_rspecs[aggregate_hrn] = rspec
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'getticket', slice_hrn)[0]
+ caller_hrn = Credential(string=valid_cred).get_gid_caller().get_hrn()
+
+ # attempt to use delegated credential first
+ cred = api.getDelegatedCredential(creds)
+ if not cred:
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for (aggregate, aggregate_rspec) in aggregate_rspecs.iteritems():
+ # prevent infinite loop. Dont send request back to caller
+ # unless the caller is the aggregate's SM
+ if caller_hrn == aggregate and aggregate != api.hrn:
+ continue
+=======
results = threads.get_results()
+>>>>>>> a3996bfa45298c8d0abfd58916221abba737441c:sfa/managers/slice_manager.py
# gather information from each ticket
rspec = None
git://git.onelab.eu / sfa.git / blobdiff