import sys
+import traceback
import time
from StringIO import StringIO
from copy import copy
from sfa.util.sfalogging import logger
from sfa.util.xrn import Xrn, urn_to_hrn
- from sfa.util.threadmanager import ThreadManager
from sfa.util.version import version_core
from sfa.util.callids import Callids
+ from sfa.server.threadmanager import ThreadManager
+
from sfa.rspecs.rspec_converter import RSpecConverter
from sfa.rspecs.version_manager import VersionManager
from sfa.rspecs.rspec import RSpec
from sfa.client.client_helper import sfa_to_pg_users_arg
- def _call_id_supported(api, server):
- """
- Returns true if server support the optional call_id arg, false otherwise.
- """
- server_version = api.get_cached_server_version(server)
-
- if 'sfa' in server_version:
- code_tag = server_version['code_tag']
- code_tag_parts = code_tag.split("-")
-
- version_parts = code_tag_parts[0].split(".")
- major, minor = version_parts[0:2]
- rev = code_tag_parts[1]
- if int(major) > 1:
- if int(minor) > 0 or int(rev) > 20:
- return True
- return False
-
- # we have specialized xmlrpclib.ServerProxy to remember the input url
- # OTOH it's not clear if we're only dealing with XMLRPCServerProxy instances
- def get_serverproxy_url (server):
- try:
- return server.get_url()
- except:
- logger.warning("GetVersion, falling back to xmlrpclib.ServerProxy internals")
- return server._ServerProxy__host + server._ServerProxy__handler
-
- def GetVersion(api):
- # peers explicitly in aggregates.xml
- peers =dict ([ (peername,get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
- if peername != api.hrn])
- version_manager = VersionManager()
- ad_rspec_versions = []
- request_rspec_versions = []
- for rspec_version in version_manager.versions:
- if rspec_version.content_type in ['*', 'ad']:
- ad_rspec_versions.append(rspec_version.to_dict())
- if rspec_version.content_type in ['*', 'request']:
- request_rspec_versions.append(rspec_version.to_dict())
- default_rspec_version = version_manager.get_version("sfa 1").to_dict()
- xrn=Xrn(api.hrn, 'authority+sa')
- version_more = {'interface':'slicemgr',
- 'hrn' : xrn.get_hrn(),
- 'urn' : xrn.get_urn(),
- 'peers': peers,
- 'request_rspec_versions': request_rspec_versions,
- 'ad_rspec_versions': ad_rspec_versions,
- 'default_ad_rspec': default_rspec_version
+ class SliceManager:
+ def __init__ (self):
+ # self.caching=False
+ self.caching=True
+
+
+ def _call_id_supported(self, api, server):
+ """
+ Returns true if server support the optional call_id arg, false otherwise.
+ """
+ server_version = api.get_cached_server_version(server)
+
+ if 'sfa' in server_version:
+ code_tag = server_version['code_tag']
+ code_tag_parts = code_tag.split("-")
+
+ version_parts = code_tag_parts[0].split(".")
+ major, minor = version_parts[0:2]
+ rev = code_tag_parts[1]
+ if int(major) > 1:
+ if int(minor) > 0 or int(rev) > 20:
+ return True
+ return False
+
+ # we have specialized xmlrpclib.ServerProxy to remember the input url
+ # OTOH it's not clear if we're only dealing with XMLRPCServerProxy instances
+ def get_serverproxy_url (self, server):
+ try:
+ return server.get_url()
+ except:
+ logger.warning("GetVersion, falling back to xmlrpclib.ServerProxy internals")
+ return server._ServerProxy__host + server._ServerProxy__handler
+
+ def GetVersion(self, api):
+ # peers explicitly in aggregates.xml
+ peers =dict ([ (peername,self.get_serverproxy_url(v)) for (peername,v) in api.aggregates.iteritems()
+ if peername != api.hrn])
+ version_manager = VersionManager()
+ ad_rspec_versions = []
+ request_rspec_versions = []
+ for rspec_version in version_manager.versions:
+ if rspec_version.content_type in ['*', 'ad']:
+ ad_rspec_versions.append(rspec_version.to_dict())
+ if rspec_version.content_type in ['*', 'request']:
+ request_rspec_versions.append(rspec_version.to_dict())
+ default_rspec_version = version_manager.get_version("sfa 1").to_dict()
+ xrn=Xrn(api.hrn, 'authority+sa')
+ version_more = {'interface':'slicemgr',
+ 'hrn' : xrn.get_hrn(),
+ 'urn' : xrn.get_urn(),
+ 'peers': peers,
+ 'request_rspec_versions': request_rspec_versions,
+ 'ad_rspec_versions': ad_rspec_versions,
+ 'default_ad_rspec': default_rspec_version
}
- sm_version=version_core(version_more)
- # local aggregate if present needs to have localhost resolved
- if api.hrn in api.aggregates:
- local_am_url=get_serverproxy_url(api.aggregates[api.hrn])
- sm_version['peers'][api.hrn]=local_am_url.replace('localhost',sm_version['hostname'])
- return sm_version
+ sm_version=version_core(version_more)
+ # local aggregate if present needs to have localhost resolved
+ if api.hrn in api.aggregates:
+ 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:
- if _call_id_supported(api, server):
- args.append(call_id)
- version = api.get_cached_server_version(server)
- # force ProtoGENI aggregates to give us a v2 RSpec
- if 'sfa' not in version.keys():
- my_opts['rspec_version'] = version_manager.get_version('ProtoGENI 2').to_dict()
- rspec = server.ListResources(*args)
- return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
+ 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:
- # Need to call GetVersion at an aggregate to determine the supported
- # rspec type/format beofre calling CreateSliver at an Aggregate.
+ 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)
+
+ etree.SubElement(stats_tag, "aggregate", name=str(aggname), elapsed=str(elapsed), status=str(status))
+ except Exception, e:
+ logger.warn("add_slicemgr_stat failed on %s: %s" %(aggname, str(e)))
+
+ def ListResources(self, 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:
+ if self._call_id_supported(api, server):
+ args.append(call_id)
+ version = api.get_cached_server_version(server)
+ # force ProtoGENI aggregates to give us a v2 RSpec
+ if 'sfa' not in version.keys():
+ my_opts['rspec_version'] = version_manager.get_version('ProtoGENI 2').to_dict()
+ rspec = server.ListResources(*args)
+ return {"aggregate": aggregate, "rspec": rspec, "elapsed": time.time()-tStart, "status": "success"}
+ except Exception, e:
+ api.logger.log_exc("ListResources failed at %s" %(server.url))
+ return {"aggregate": aggregate, "elapsed": time.time()-tStart, "status": "exception"}
+
+ 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 self.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.server_proxy(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:
+ self.add_slicemgr_stat(rspec, "ListResources", result["aggregate"], result["elapsed"], result["status"])
+ 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 self.caching and api.cache and not xrn:
+ api.cache.add(version_string, rspec.toxml())
+
+ return rspec.toxml()
+
+
+ def CreateSliver(self, 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:
+ # Need to call GetVersion at an aggregate to determine the supported
+ # rspec type/format beofre calling CreateSliver at an Aggregate.
+ server_version = api.get_cached_server_version(server)
+ requested_users = users
+ if 'sfa' not in server_version and 'geni_api' in server_version:
+ # sfa aggregtes support both sfa and pg rspecs, no need to convert
+ # if aggregate supports sfa rspecs. otherwise convert to pg rspec
+ rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request'))
+ filter = {'component_manager_id': server_version['urn']}
+ rspec.filter(filter)
+ rspec = rspec.toxml()
+ requested_users = sfa_to_pg_users_arg(users)
+ args = [xrn, credential, rspec, requested_users]
+ if self._call_id_supported(api, server):
+ args.append(call_id)
+ 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"}
+
+ 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.
+ self.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.server_proxy(interface, cred)
+ # Just send entire RSpec to each aggregate
+ threads.run(_CreateSliver, aggregate, server, xrn, [cred], rspec.toxml(), users, call_id)
+
+ 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:
+ self.add_slicemgr_stat(result_rspec, "CreateSliver", result["aggregate"], result["elapsed"], result["status"])
+ 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(self, api, xrn, creds, expiration_time, call_id):
+ def _RenewSliver(server, xrn, creds, expiration_time, call_id):
server_version = api.get_cached_server_version(server)
- requested_users = users
- if 'sfa' not in server_version and 'geni_api' in server_version:
- # sfa aggregtes support both sfa and pg rspecs, no need to convert
- # if aggregate supports sfa rspecs. otherwise convert to pg rspec
- rspec = RSpec(RSpecConverter.to_pg_rspec(rspec, 'request'))
- filter = {'component_manager_id': server_version['urn']}
- rspec.filter(filter)
- rspec = rspec.toxml()
- requested_users = sfa_to_pg_users_arg(users)
- args = [xrn, credential, rspec, requested_users]
- if _call_id_supported(api, server):
+ 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
+
+ (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.server_proxy(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(self, api, xrn, creds, call_id):
+ def _DeleteSliver(server, xrn, creds, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [xrn, creds]
+ if self._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.server_proxy(interface, cred)
+ threads.run(_DeleteSliver, server, xrn, [cred], call_id)
+ threads.get_results()
+ return 1
+
+
+ # first draft at a merging SliverStatus
+ def SliverStatus(self, 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 self._call_id_supported(api, server):
+ args.append(call_id)
+ return server.SliverStatus(*args)
+
+ 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.server_proxy(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
+
+ def ListSlices(self, api, creds, call_id):
+ def _ListSlices(server, creds, call_id):
+ server_version = api.get_cached_server_version(server)
+ args = [creds]
+ if self._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 self.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.server_proxy(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 self.caching and api.cache:
+ api.cache.add('slices', slices)
+
+ return slices
+
+
+ def get_ticket(self, 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
++>>>>>>> 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
- interface = api.aggregates[aggregate]
- server = api.get_server(interface, cred)
- threads.run(server.GetTicket, xrn, [cred], aggregate_rspec, users)
-
- results = threads.get_results()
+ # gather information from each ticket
+ rspec = None
+ initscripts = []
+ slivers = []
+ object_gid = None
+ for result in results:
+ agg_ticket = SfaTicket(string=result)
+ attrs = agg_ticket.get_attributes()
+ if not object_gid:
+ object_gid = agg_ticket.get_gid_object()
+ if not rspec:
+ rspec = RSpec(agg_ticket.get_rspec())
+ else:
+ rspec.version.merge(agg_ticket.get_rspec())
+ initscripts.extend(attrs.get('initscripts', []))
+ slivers.extend(attrs.get('slivers', []))
+
+ # merge info
+ attributes = {'initscripts': initscripts,
+ 'slivers': slivers}
+
+ # create a new ticket
+ ticket = SfaTicket(subject = slice_hrn)
+ ticket.set_gid_caller(api.auth.client_gid)
+ ticket.set_issuer(key=api.key, subject=api.hrn)
+ ticket.set_gid_object(object_gid)
+ ticket.set_pubkey(object_gid.get_pubkey())
+ #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
+ ticket.set_attributes(attributes)
+ ticket.set_rspec(rspec.toxml())
+ ticket.encode()
+ ticket.sign()
+ return ticket.save_to_string(save_parents=True)
- # gather information from each ticket
- rspec = None
- initscripts = []
- slivers = []
- object_gid = None
- for result in results:
- agg_ticket = SfaTicket(string=result)
- attrs = agg_ticket.get_attributes()
- if not object_gid:
- object_gid = agg_ticket.get_gid_object()
- if not rspec:
- rspec = RSpec(agg_ticket.get_rspec())
- else:
- rspec.version.merge(agg_ticket.get_rspec())
- initscripts.extend(attrs.get('initscripts', []))
- slivers.extend(attrs.get('slivers', []))
-
- # merge info
- attributes = {'initscripts': initscripts,
- 'slivers': slivers}
-
- # create a new ticket
- ticket = SfaTicket(subject = slice_hrn)
- ticket.set_gid_caller(api.auth.client_gid)
- ticket.set_issuer(key=api.key, subject=api.hrn)
- ticket.set_gid_object(object_gid)
- ticket.set_pubkey(object_gid.get_pubkey())
- #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
- ticket.set_attributes(attributes)
- ticket.set_rspec(rspec.toxml())
- ticket.encode()
- ticket.sign()
- return ticket.save_to_string(save_parents=True)
-
- def start_slice(api, xrn, creds):
- hrn, type = urn_to_hrn(xrn)
-
- # get the callers hrn
- valid_cred = api.auth.checkCredentials(creds, 'startslice', 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(server.Start, xrn, cred)
- threads.get_results()
- return 1
-
- def stop_slice(api, xrn, creds):
- hrn, type = urn_to_hrn(xrn)
-
- # get the callers hrn
- valid_cred = api.auth.checkCredentials(creds, 'stopslice', 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(server.Stop, xrn, cred)
- threads.get_results()
- return 1
-
- def reset_slice(api, xrn):
- """
- Not implemented
- """
- return 1
-
- def shutdown(api, xrn, creds):
- """
- Not implemented
- """
- return 1
-
- def status(api, xrn, creds):
- """
- Not implemented
- """
- return 1
-
- # this is plain broken
- #def main():
- # r = RSpec()
- # r.parseFile(sys.argv[1])
- # rspec = r.toDict()
- # CreateSliver(None,'plc.princeton.tmacktestslice',rspec,'create-slice-tmacktestslice')
-
- if __name__ == "__main__":
- main()
+ def start_slice(self, api, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'startslice', 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.server_proxy(interface, cred)
+ threads.run(server.Start, xrn, cred)
+ threads.get_results()
+ return 1
+
+ def stop_slice(self, api, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+
+ # get the callers hrn
+ valid_cred = api.auth.checkCredentials(creds, 'stopslice', 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.server_proxy(interface, cred)
+ threads.run(server.Stop, xrn, cred)
+ threads.get_results()
+ return 1
+
+ def reset_slice(self, api, xrn):
+ """
+ Not implemented
+ """
+ return 1
+
+ def shutdown(self, api, xrn, creds):
+ """
+ Not implemented
+ """
+ return 1
+
+ def status(self, api, xrn, creds):
+ """
+ Not implemented
+ """
+ return 1
git://git.onelab.eu / sfa.git / commitdiff