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(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()
+
+ def drop_slicemgr_stats(self, rspec):
try:
stats_elements = rspec.xml.xpath('//statistics')
for node in stats_elements:
node.getparent().remove(node)
except Exception, e:
- 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()
+ logger.warn("drop_slicemgr_stats failed: %s " % (str(e)))
+
+ def add_slicemgr_stat(self, rspec, callname, aggname, elapsed, status):
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 / commitdiff