+++ /dev/null
-### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
-
-import datetime
-import time
-import traceback
-import sys
-
-from types import StringTypes
-from sfa.util.misc import *
-from sfa.util.rspec import *
-from sfa.util.specdict import *
-from sfa.util.faults import *
-from sfa.util.storage import *
-from sfa.util.record import GeniRecord
-from sfa.util.policy import Policy
-from sfa.util.prefixTree import prefixTree
-from sfa.util.debug import log
-from sfa.server.registry import Registries
-
-MAXINT = 2L**31-1
-
-class Slices(SimpleStorage):
-
- rspec_to_slice_tag = {'max_rate':'net_max_rate'}
-
- def __init__(self, api, ttl = .5, caller_cred=None):
- self.api = api
- self.ttl = ttl
- self.threshold = None
- path = self.api.config.SFA_DATA_DIR
- filename = ".".join([self.api.interface, self.api.hrn, "slices"])
- filepath = path + os.sep + filename
- self.slices_file = filepath
- SimpleStorage.__init__(self, self.slices_file)
- self.policy = Policy(self.api)
- self.load()
- self.caller_cred=caller_cred
-
- def get_slivers(self, hrn, node=None):
-
- slice_name = hrn_to_pl_slicename(hrn)
- # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
- # of doing all of this?
- #return self.api.GetSliceTicket(self.auth, slice_name)
-
- # from PLCAPI.GetSlivers.get_slivers()
- slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
- slices = self.api.plshell.GetSlices(self.api.plauth, slice_name, slice_fields)
- # Build up list of users and slice attributes
- person_ids = set()
- all_slice_tag_ids = set()
- for slice in slices:
- person_ids.update(slice['person_ids'])
- all_slice_tag_ids.update(slice['slice_tag_ids'])
- person_ids = list(person_ids)
- all_slice_tag_ids = list(all_slice_tag_ids)
- # Get user information
- all_persons_list = self.api.plshell.GetPersons(self.api.plauth, {'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
- all_persons = {}
- for person in all_persons_list:
- all_persons[person['person_id']] = person
-
- # Build up list of keys
- key_ids = set()
- for person in all_persons.values():
- key_ids.update(person['key_ids'])
- key_ids = list(key_ids)
- # Get user account keys
- all_keys_list = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key_id', 'key', 'key_type'])
- all_keys = {}
- for key in all_keys_list:
- all_keys[key['key_id']] = key
- # Get slice attributes
- all_slice_tags_list = self.api.plshell.GetSliceTags(self.api.plauth, all_slice_tag_ids)
- all_slice_tags = {}
- for slice_tag in all_slice_tags_list:
- all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
-
- slivers = []
- for slice in slices:
- keys = []
- for person_id in slice['person_ids']:
- if person_id in all_persons:
- person = all_persons[person_id]
- if not person['enabled']:
- continue
- for key_id in person['key_ids']:
- if key_id in all_keys:
- key = all_keys[key_id]
- keys += [{'key_type': key['key_type'],
- 'key': key['key']}]
- attributes = []
- # All (per-node and global) attributes for this slice
- slice_tags = []
- for slice_tag_id in slice['slice_tag_ids']:
- if slice_tag_id in all_slice_tags:
- slice_tags.append(all_slice_tags[slice_tag_id])
- # Per-node sliver attributes take precedence over global
- # slice attributes, so set them first.
- # Then comes nodegroup slice attributes
- # Followed by global slice attributes
- sliver_attributes = []
-
- if node is not None:
- for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
- sliver_attributes.append(sliver_attribute['tagname'])
- attributes.append({'tagname': sliver_attribute['tagname'],
- 'value': sliver_attribute['value']})
-
- # set nodegroup slice attributes
- for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
- # Do not set any nodegroup slice attributes for
- # which there is at least one sliver attribute
- # already set.
- if slice_tag not in slice_tags:
- attributes.append({'tagname': slice_tag['tagname'],
- 'value': slice_tag['value']})
-
- for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
- # Do not set any global slice attributes for
- # which there is at least one sliver attribute
- # already set.
- if slice_tag['tagname'] not in sliver_attributes:
- attributes.append({'tagname': slice_tag['tagname'],
- 'value': slice_tag['value']})
-
- # XXX Sanity check; though technically this should be a system invariant
- # checked with an assertion
- if slice['expires'] > MAXINT: slice['expires']= MAXINT
-
- slivers.append({
- 'hrn': hrn,
- 'name': slice['name'],
- 'slice_id': slice['slice_id'],
- 'instantiation': slice['instantiation'],
- 'expires': slice['expires'],
- 'keys': keys,
- 'attributes': attributes
- })
-
- return slivers
-
- def get_peer(self, hrn):
- # Becaues of myplc federation, we first need to determine if this
- # slice belongs to out local plc or a myplc peer. We will assume it
- # is a local site, unless we find out otherwise
- peer = None
-
- # get this slice's authority (site)
- slice_authority = get_authority(hrn)
-
- # get this site's authority (sfa root authority or sub authority)
- site_authority = get_authority(slice_authority).lower()
-
- # check if we are already peered with this site_authority, if so
- peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
- for peer_record in peers:
- names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
- if site_authority in names:
- peer = peer_record['shortname']
-
- return peer
-
- def get_sfa_peer(self, hrn):
- # return the authority for this hrn or None if we are the authority
- sfa_peer = None
- slice_authority = get_authority(hrn)
- site_authority = get_authority(slice_authority)
-
- if site_authority != self.api.hrn:
- sfa_peer = site_authority
-
- return sfa_peer
-
- def refresh(self):
- """
- Update the cached list of slices
- """
- # Reload components list
- now = datetime.datetime.now()
- if not self.has_key('threshold') or not self.has_key('timestamp') or \
- now > datetime.datetime.fromtimestamp(time.mktime(time.strptime(self['threshold'], self.api.time_format))):
- self.refresh_slices_aggregate()
-
- def refresh_slices_aggregate(self):
- slices = self.api.plshell.GetSlices(self.api.plauth, {'peer_id': None}, ['name'])
- slice_hrns = [slicename_to_hrn(self.api.hrn, slice['name']) for slice in slices]
-
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
-
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
-
-
- def delete_slice(self, hrn):
- self.delete_slice_aggregate(hrn)
-
- def delete_slice_aggregate(self, hrn):
-
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename})
- if not slices:
- return 1
- slice = slices[0]
-
- # determine if this is a peer slice
- peer = self.get_peer(hrn)
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, slice['node_ids'])
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
- return 1
-
- def verify_site(self, registry, credential, slice_hrn, peer, sfa_peer):
- authority = get_authority(slice_hrn)
- try:
- site_records = registry.resolve(credential, authority)
- except:
- arg_list = [credential, authority]
- request_hash = self.api.key.compute_hash(arg_list)
- site_records = registry.resolve(credential, authority, request_hash)
-
- site = {}
- for site_record in site_records:
- if site_record['type'] == 'authority':
- site = site_record
- if not site:
- raise RecordNotFound(authority)
- remote_site_id = site.pop('site_id')
-
- login_base = get_leaf(authority)
- sites = self.api.plshell.GetSites(self.api.plauth, login_base)
- if not sites:
- site_id = self.api.plshell.AddSite(self.api.plauth, site)
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
- # mark this site as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'authority', 'hrn': authority, 'peer_authority': sfa_peer, 'pointer': site_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
- else:
- site_id = sites[0]['site_id']
- remote_site_id = sites[0]['peer_site_id']
-
-
- return (site_id, remote_site_id)
-
- def verify_slice(self, registry, credential, slice_hrn, site_id, remote_site_id, peer, sfa_peer):
- slice = {}
- slice_record = None
- authority = get_authority(slice_hrn)
- try:
- slice_records = registry.resolve(credential, slice_hrn)
- except:
- arg_list = [credential, slice_hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- slice_records = registry.resolve(credential, slice_hrn, request_hash)
-
- for record in slice_records:
- if record['type'] in ['slice']:
- slice_record = record
- if not slice_record:
- raise RecordNotFound(hrn)
- slicename = hrn_to_pl_slicename(slice_hrn)
- parts = slicename.split("_")
- login_base = parts[0]
- slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['slice_id', 'node_ids', 'site_id'])
- if not slices:
- slice_fields = {}
- slice_keys = ['name', 'url', 'description']
- for key in slice_keys:
- if key in slice_record and slice_record[key]:
- slice_fields[key] = slice_record[key]
-
- # add the slice
- slice_id = self.api.plshell.AddSlice(self.api.plauth, slice_fields)
- slice = slice_fields
- slice['slice_id'] = slice_id
-
- # mark this slice as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'slice', 'hrn': slice_hrn, 'peer_authority': sfa_peer, 'pointer': slice_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
-
- #this belongs to a peer
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
- slice['node_ids'] = []
- else:
- slice = slices[0]
- slice_id = slice['slice_id']
- site_id = slice['site_id']
-
- slice['peer_slice_id'] = slice_record['pointer']
- self.verify_persons(registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer)
-
- return slice
-
- def verify_persons(self, registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer):
- # get the list of valid slice users from the registry and make
- # sure they are added to the slice
- slicename = hrn_to_pl_slicename(slice_record['hrn'])
- researchers = slice_record.get('researcher', [])
- for researcher in researchers:
- person_record = {}
- try:
- person_records = registry.resolve(credential, researcher)
- except:
- arg_list = [credential, researcher]
- request_hash = self.api.key.compute_hash(arg_list)
- person_records = registry.resolve(credential, researcher, request_hash)
- for record in person_records:
- if record['type'] in ['user']:
- person_record = record
- if not person_record:
- pass
- person_dict = person_record
- local_person=False
- if peer:
- peer_id = self.api.plshell.GetPeers(self.api.plauth, {'shortname': peer}, ['peer_id'])[0]['peer_id']
- persons = self.api.plshell.GetPersons(self.api.plauth, {'email': [person_dict['email']], 'peer_id': peer_id}, ['person_id', 'key_ids'])
- if not persons:
- persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
- if persons:
- local_person=True
-
- else:
- persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
-
- if not persons:
- person_id=self.api.plshell.AddPerson(self.api.plauth, person_dict)
- self.api.plshell.UpdatePerson(self.api.plauth, person_id, {'enabled' : True})
-
- # mark this person as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'user', 'hrn': researcher, 'peer_authority': sfa_peer, 'pointer': person_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
-
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- key_ids = []
- else:
- person_id = persons[0]['person_id']
- key_ids = persons[0]['key_ids']
-
-
- # if this is a peer person, we must unbind them from the peer or PLCAPI will throw
- # an error
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer)
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'site', site_id, peer)
-
- self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)
- self.api.plshell.AddPersonToSite(self.api.plauth, person_dict['email'], site_id)
- if peer and not local_person:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
-
- self.verify_keys(registry, credential, person_dict, key_ids, person_id, peer, local_person)
-
- def verify_keys(self, registry, credential, person_dict, key_ids, person_id, peer, local_person):
- keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
- keys = [key['key'] for key in keylist]
-
- #add keys that arent already there
- key_ids = person_dict['key_ids']
- for personkey in person_dict['keys']:
- if personkey not in keys:
- key = {'key_type': 'ssh', 'key': personkey}
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer)
- key_id = self.api.plshell.AddPersonKey(self.api.plauth, person_dict['email'], key)
- if peer and not local_person:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- if peer:
- try: self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', key_id, peer, key_ids.pop(0))
-
- except: pass
-
- def create_slice(self, hrn, rspec):
-
- # check our slice policy before we procede
- whitelist = self.policy['slice_whitelist']
- blacklist = self.policy['slice_blacklist']
-
- if whitelist and hrn not in whitelist or \
- blacklist and hrn in blacklist:
- policy_file = self.policy.policy_file
- print >> log, "Slice %(hrn)s not allowed by policy %(policy_file)s" % locals()
- return 1
-
- self.create_slice_aggregate(hrn, rspec)
-
- def create_slice_aggregate(self, hrn, rspec):
-
- # Determine if this is a peer slice
- peer = self.get_peer(hrn)
- sfa_peer = self.get_sfa_peer(hrn)
-
- spec = RSpec(rspec)
- # Get the slice record from sfa
- slicename = hrn_to_pl_slicename(hrn)
- slice = {}
- slice_record = None
- registries = Registries(self.api)
- registry = registries[self.api.hrn]
- credential = self.api.getCredential()
-
- site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
- slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
-
- # find out where this slice is currently running
- nodelist = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
- hostnames = [node['hostname'] for node in nodelist]
-
- # get netspec details
- nodespecs = spec.getDictsByTagName('NodeSpec')
-
- # dict in which to store slice attributes to set for the nodes
- nodes = {}
- for nodespec in nodespecs:
- if isinstance(nodespec['name'], list):
- for nodename in nodespec['name']:
- nodes[nodename] = {}
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
- elif isinstance(nodespec['name'], StringTypes):
- nodename = nodespec['name']
- nodes[nodename] = {}
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
-
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
-
- node_names = nodes.keys()
- # remove nodes not in rspec
- deleted_nodes = list(set(hostnames).difference(node_names))
- # add nodes from rspec
- added_nodes = list(set(node_names).difference(hostnames))
-
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
-
- self.api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes)
-
- # Add recognized slice tags
- for node_name in node_names:
- node = nodes[node_name]
- for slice_tag in node.keys():
- value = node[slice_tag]
- if (isinstance(value, list)):
- value = value[0]
-
- self.api.plshell.AddSliceTag(self.api.plauth, slicename, slice_tag, value, node_name)
-
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
-
- return 1
-
- def start_slice(self, hrn):
- self.start_slice_aggregate(hrn)
-
- def start_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "1" )
- return 1
-
-
- def stop_slice(self, hrn):
- self.stop_slice_aggregate(hrn)
-
- def stop_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attributes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "0")
- return 1
-
+++ /dev/null
-
-def start_slice(api, slicename):
- return
-
-def stop_slice(api, slicename):
- return
-
-def delete_slice(api, slicename):
- return
-
-def reset_slice(api, slicename):
- return
-
-def get_slices(api):
- return
-
-def roboot():
- return
-
-def redeem_ticket(api, ticket_string):
- return
-
+++ /dev/null
-import os
-import xmlrpclib
-from sfa.util.faults import *
-from sfa.util.sfaticket import SfaTicket
-
-def start_slice(api, slicename):
- api.nodemanger.Start(slicename)
-
-def stop_slice(api, slicename):
- api.nodemanager.Stop(slicename)
-
-def delete_slice(api, slicename):
- api.nodemanager.Destroy(slicename)
-
-def reset_slice(api, slicename):
- if not api.sliver_exists(slicename):
- raise SliverDoesNotExist(slicename)
- api.nodemanager.ReCreate(slicename)
-
-def get_slices(api):
- slicenames = api.nodemanager.GetXiDs().keys()
- return slicenames
-
-def roboot():
- os.system("/sbin/reboot")
-
-def redeem_ticket(api, ticket_string):
- ticket = SfaTicket(string=ticket_string)
- ticket.decode()
- hrn = ticket.attributes['slivers'][0]['hrn']
- slicename = hrn_to_pl_slicename(hrn)
- if not api.sliver_exists(slicename):
- raise SliverDoesNotExist(slicename)
-
- # convert ticket to format nm is used to
- nm_ticket = xmlrpclib.dumps((ticket.attributes,), methodresponse=True)
- self.api.nodemanager.AdminTicket(nm_ticket)
-
-
+++ /dev/null
-### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
-
-import datetime
-import time
-import traceback
-import sys
-
-from types import StringTypes
-from sfa.util.misc import *
-from sfa.util.rspec import *
-from sfa.util.specdict import *
-from sfa.util.faults import *
-from sfa.util.storage import *
-from sfa.util.record import GeniRecord
-from sfa.util.policy import Policy
-from sfa.util.prefixTree import prefixTree
-from sfa.util.debug import log
-from sfa.server.aggregate import Aggregates
-from sfa.server.registry import Registries
-
-MAXINT = 2L**31-1
-
-class Slices(SimpleStorage):
-
- rspec_to_slice_tag = {'max_rate':'net_max_rate'}
-
- def __init__(self, api, ttl = .5, caller_cred=None):
- self.api = api
- self.ttl = ttl
- self.threshold = None
- path = self.api.config.SFA_DATA_DIR
- filename = ".".join([self.api.interface, self.api.hrn, "slices"])
- filepath = path + os.sep + filename
- self.slices_file = filepath
- SimpleStorage.__init__(self, self.slices_file)
- self.policy = Policy(self.api)
- self.load()
- self.caller_cred=caller_cred
-
- def get_slivers(self, hrn, node=None):
-
- slice_name = hrn_to_pl_slicename(hrn)
- # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
- # of doing all of this?
- #return self.api.GetSliceTicket(self.auth, slice_name)
-
- # from PLCAPI.GetSlivers.get_slivers()
- slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
- slices = self.api.plshell.GetSlices(self.api.plauth, slice_name, slice_fields)
- # Build up list of users and slice attributes
- person_ids = set()
- all_slice_tag_ids = set()
- for slice in slices:
- person_ids.update(slice['person_ids'])
- all_slice_tag_ids.update(slice['slice_tag_ids'])
- person_ids = list(person_ids)
- all_slice_tag_ids = list(all_slice_tag_ids)
- # Get user information
- all_persons_list = self.api.plshell.GetPersons(self.api.plauth, {'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
- all_persons = {}
- for person in all_persons_list:
- all_persons[person['person_id']] = person
-
- # Build up list of keys
- key_ids = set()
- for person in all_persons.values():
- key_ids.update(person['key_ids'])
- key_ids = list(key_ids)
- # Get user account keys
- all_keys_list = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key_id', 'key', 'key_type'])
- all_keys = {}
- for key in all_keys_list:
- all_keys[key['key_id']] = key
- # Get slice attributes
- all_slice_tags_list = self.api.plshell.GetSliceTags(self.api.plauth, all_slice_tag_ids)
- all_slice_tags = {}
- for slice_tag in all_slice_tags_list:
- all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
-
- slivers = []
- for slice in slices:
- keys = []
- for person_id in slice['person_ids']:
- if person_id in all_persons:
- person = all_persons[person_id]
- if not person['enabled']:
- continue
- for key_id in person['key_ids']:
- if key_id in all_keys:
- key = all_keys[key_id]
- keys += [{'key_type': key['key_type'],
- 'key': key['key']}]
- attributes = []
- # All (per-node and global) attributes for this slice
- slice_tags = []
- for slice_tag_id in slice['slice_tag_ids']:
- if slice_tag_id in all_slice_tags:
- slice_tags.append(all_slice_tags[slice_tag_id])
- # Per-node sliver attributes take precedence over global
- # slice attributes, so set them first.
- # Then comes nodegroup slice attributes
- # Followed by global slice attributes
- sliver_attributes = []
-
- if node is not None:
- for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
- sliver_attributes.append(sliver_attribute['tagname'])
- attributes.append({'tagname': sliver_attribute['tagname'],
- 'value': sliver_attribute['value']})
-
- # set nodegroup slice attributes
- for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
- # Do not set any nodegroup slice attributes for
- # which there is at least one sliver attribute
- # already set.
- if slice_tag not in slice_tags:
- attributes.append({'tagname': slice_tag['tagname'],
- 'value': slice_tag['value']})
-
- for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
- # Do not set any global slice attributes for
- # which there is at least one sliver attribute
- # already set.
- if slice_tag['tagname'] not in sliver_attributes:
- attributes.append({'tagname': slice_tag['tagname'],
- 'value': slice_tag['value']})
-
- # XXX Sanity check; though technically this should be a system invariant
- # checked with an assertion
- if slice['expires'] > MAXINT: slice['expires']= MAXINT
-
- slivers.append({
- 'hrn': hrn,
- 'name': slice['name'],
- 'slice_id': slice['slice_id'],
- 'instantiation': slice['instantiation'],
- 'expires': slice['expires'],
- 'keys': keys,
- 'attributes': attributes
- })
-
- return slivers
-
- def get_peer(self, hrn):
- # Becaues of myplc federation, we first need to determine if this
- # slice belongs to out local plc or a myplc peer. We will assume it
- # is a local site, unless we find out otherwise
- peer = None
-
- # get this slice's authority (site)
- slice_authority = get_authority(hrn)
-
- # get this site's authority (sfa root authority or sub authority)
- site_authority = get_authority(slice_authority).lower()
-
- # check if we are already peered with this site_authority, if so
- peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
- for peer_record in peers:
- names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
- if site_authority in names:
- peer = peer_record['shortname']
-
- return peer
-
- def get_sfa_peer(self, hrn):
- # return the authority for this hrn or None if we are the authority
- sfa_peer = None
- slice_authority = get_authority(hrn)
- site_authority = get_authority(slice_authority)
-
- if site_authority != self.api.hrn:
- sfa_peer = site_authority
-
- return sfa_peer
-
- def refresh(self):
- """
- Update the cached list of slices
- """
- # Reload components list
- now = datetime.datetime.now()
- if not self.has_key('threshold') or not self.has_key('timestamp') or \
- now > datetime.datetime.fromtimestamp(time.mktime(time.strptime(self['threshold'], self.api.time_format))):
- if self.api.interface in ['aggregate']:
- self.refresh_slices_aggregate()
- elif self.api.interface in ['slicemgr']:
- self.refresh_slices_smgr()
-
- def refresh_slices_aggregate(self):
- slices = self.api.plshell.GetSlices(self.api.plauth, {'peer_id': None}, ['name'])
- slice_hrns = [slicename_to_hrn(self.api.hrn, slice['name']) for slice in slices]
-
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
-
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
-
-
- def refresh_slices_smgr(self):
- slice_hrns = []
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
- for aggregate in aggregates:
- success = False
- # request hash is optional so lets try the call without it
- try:
- request_hash=None
- slices = aggregates[aggregate].get_slices(credential, request_hash, self.caller_cred)
- slice_hrns.extend(slices)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
-
- # try sending the request hash if the previous call failed
- if not success:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- try:
- slices = aggregates[aggregate].get_slices(credential, request_hash, self.caller_cred)
- slice_hrns.extend(slices)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
-
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
-
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
-
-
- def delete_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.delete_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.delete_slice_smgr(hrn)
-
- def delete_slice_aggregate(self, hrn):
-
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename})
- if not slices:
- return 1
- slice = slices[0]
-
- # determine if this is a peer slice
- peer = self.get_peer(hrn)
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, slice['node_ids'])
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
- return 1
-
- def delete_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- caller_cred = self.caller_cred
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- success = False
- # request hash is optional so lets try the call without it
- try:
- request_hash=None
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling list nodes at aggregate %s" % aggregate
-
- # try sending the request hash if the previous call failed
- if not success:
- try:
- arg_list = [credential, hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling list nodes at aggregate %s" % aggregate
-
- def create_slice(self, hrn, rspec):
-
- # check our slice policy before we procede
- whitelist = self.policy['slice_whitelist']
- blacklist = self.policy['slice_blacklist']
-
- if whitelist and hrn not in whitelist or \
- blacklist and hrn in blacklist:
- policy_file = self.policy.policy_file
- print >> log, "Slice %(hrn)s not allowed by policy %(policy_file)s" % locals()
- return 1
-
- if self.api.interface in ['aggregate']:
- self.create_slice_aggregate(hrn, rspec)
- elif self.api.interface in ['slicemgr']:
- self.create_slice_smgr(hrn, rspec)
-
- def verify_site(self, registry, credential, slice_hrn, peer, sfa_peer):
- authority = get_authority(slice_hrn)
- try:
- site_records = registry.resolve(credential, authority)
- except:
- arg_list = [credential, authority]
- request_hash = self.api.key.compute_hash(arg_list)
- site_records = registry.resolve(credential, authority, request_hash)
-
- site = {}
- for site_record in site_records:
- if site_record['type'] == 'authority':
- site = site_record
- if not site:
- raise RecordNotFound(authority)
- remote_site_id = site.pop('site_id')
-
- login_base = get_leaf(authority)
- sites = self.api.plshell.GetSites(self.api.plauth, login_base)
- if not sites:
- site_id = self.api.plshell.AddSite(self.api.plauth, site)
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
- # mark this site as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'authority', 'hrn': authority, 'peer_authority': sfa_peer, 'pointer': site_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
- else:
- site_id = sites[0]['site_id']
- remote_site_id = sites[0]['peer_site_id']
-
-
- return (site_id, remote_site_id)
-
- def verify_slice(self, registry, credential, slice_hrn, site_id, remote_site_id, peer, sfa_peer):
- slice = {}
- slice_record = None
- authority = get_authority(slice_hrn)
- try:
- slice_records = registry.resolve(credential, slice_hrn)
- except:
- arg_list = [credential, slice_hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- slice_records = registry.resolve(credential, slice_hrn, request_hash)
-
- for record in slice_records:
- if record['type'] in ['slice']:
- slice_record = record
- if not slice_record:
- raise RecordNotFound(hrn)
- slicename = hrn_to_pl_slicename(slice_hrn)
- parts = slicename.split("_")
- login_base = parts[0]
- slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['slice_id', 'node_ids', 'site_id'])
- if not slices:
- slice_fields = {}
- slice_keys = ['name', 'url', 'description']
- for key in slice_keys:
- if key in slice_record and slice_record[key]:
- slice_fields[key] = slice_record[key]
-
- # add the slice
- slice_id = self.api.plshell.AddSlice(self.api.plauth, slice_fields)
- slice = slice_fields
- slice['slice_id'] = slice_id
-
- # mark this slice as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'slice', 'hrn': slice_hrn, 'peer_authority': sfa_peer, 'pointer': slice_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
-
- #this belongs to a peer
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
- slice['node_ids'] = []
- else:
- slice = slices[0]
- slice_id = slice['slice_id']
- site_id = slice['site_id']
-
- slice['peer_slice_id'] = slice_record['pointer']
- self.verify_persons(registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer)
-
- return slice
-
- def verify_persons(self, registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer):
- # get the list of valid slice users from the registry and make
- # sure they are added to the slice
- slicename = hrn_to_pl_slicename(slice_record['hrn'])
- researchers = slice_record.get('researcher', [])
- for researcher in researchers:
- person_record = {}
- try:
- person_records = registry.resolve(credential, researcher)
- except:
- arg_list = [credential, researcher]
- request_hash = self.api.key.compute_hash(arg_list)
- person_records = registry.resolve(credential, researcher, request_hash)
- for record in person_records:
- if record['type'] in ['user']:
- person_record = record
- if not person_record:
- pass
- person_dict = person_record
- local_person=False
- if peer:
- peer_id = self.api.plshell.GetPeers(self.api.plauth, {'shortname': peer}, ['peer_id'])[0]['peer_id']
- persons = self.api.plshell.GetPersons(self.api.plauth, {'email': [person_dict['email']], 'peer_id': peer_id}, ['person_id', 'key_ids'])
- if not persons:
- persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
- if persons:
- local_person=True
-
- else:
- persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
-
- if not persons:
- person_id=self.api.plshell.AddPerson(self.api.plauth, person_dict)
- self.api.plshell.UpdatePerson(self.api.plauth, person_id, {'enabled' : True})
-
- # mark this person as an sfa peer record
- if sfa_peer:
- peer_dict = {'type': 'user', 'hrn': researcher, 'peer_authority': sfa_peer, 'pointer': person_id}
- try:
- registry.register_peer_object(credential, peer_dict)
- except:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- registry.register_peer_object(credential, peer_dict, request_hash)
-
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- key_ids = []
- else:
- person_id = persons[0]['person_id']
- key_ids = persons[0]['key_ids']
-
-
- # if this is a peer person, we must unbind them from the peer or PLCAPI will throw
- # an error
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer)
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'site', site_id, peer)
-
- self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)
- self.api.plshell.AddPersonToSite(self.api.plauth, person_dict['email'], site_id)
- if peer and not local_person:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
-
- self.verify_keys(registry, credential, person_dict, key_ids, person_id, peer, local_person)
-
- def verify_keys(self, registry, credential, person_dict, key_ids, person_id, peer, local_person):
- keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
- keys = [key['key'] for key in keylist]
-
- #add keys that arent already there
- key_ids = person_dict['key_ids']
- for personkey in person_dict['keys']:
- if personkey not in keys:
- key = {'key_type': 'ssh', 'key': personkey}
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer)
- key_id = self.api.plshell.AddPersonKey(self.api.plauth, person_dict['email'], key)
- if peer and not local_person:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
- if peer:
- try: self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', key_id, peer, key_ids.pop(0))
-
- except: pass
-
- def create_slice_aggregate(self, hrn, rspec):
-
- # Determine if this is a peer slice
- peer = self.get_peer(hrn)
- sfa_peer = self.get_sfa_peer(hrn)
-
- spec = RSpec(rspec)
- # Get the slice record from sfa
- slicename = hrn_to_pl_slicename(hrn)
- slice = {}
- slice_record = None
- registries = Registries(self.api)
- registry = registries[self.api.hrn]
- credential = self.api.getCredential()
-
- site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
- slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
-
- # find out where this slice is currently running
- nodelist = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
- hostnames = [node['hostname'] for node in nodelist]
-
- # get netspec details
- nodespecs = spec.getDictsByTagName('NodeSpec')
-
- # dict in which to store slice attributes to set for the nodes
- nodes = {}
- for nodespec in nodespecs:
- if isinstance(nodespec['name'], list):
- for nodename in nodespec['name']:
- nodes[nodename] = {}
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
- elif isinstance(nodespec['name'], StringTypes):
- nodename = nodespec['name']
- nodes[nodename] = {}
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
-
- for k in nodespec.keys():
- rspec_attribute_value = nodespec[k]
- if (self.rspec_to_slice_tag.has_key(k)):
- slice_tag_name = self.rspec_to_slice_tag[k]
- nodes[nodename][slice_tag_name] = rspec_attribute_value
-
- node_names = nodes.keys()
- # remove nodes not in rspec
- deleted_nodes = list(set(hostnames).difference(node_names))
- # add nodes from rspec
- added_nodes = list(set(node_names).difference(hostnames))
-
- if peer:
- self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
-
- self.api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes)
-
- # Add recognized slice tags
- for node_name in node_names:
- node = nodes[node_name]
- for slice_tag in node.keys():
- value = node[slice_tag]
- if (isinstance(value, list)):
- value = value[0]
-
- self.api.plshell.AddSliceTag(self.api.plauth, slicename, slice_tag, value, node_name)
-
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
-
- return 1
-
- def create_slice_smgr(self, hrn, rspec):
- spec = RSpec()
- tempspec = RSpec()
- spec.parseString(rspec)
- slicename = hrn_to_pl_slicename(hrn)
- specDict = spec.toDict()
- if specDict.has_key('RSpec'): specDict = specDict['RSpec']
- if specDict.has_key('start_time'): start_time = specDict['start_time']
- else: start_time = 0
- if specDict.has_key('end_time'): end_time = specDict['end_time']
- else: end_time = 0
-
- rspecs = {}
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
-
- # split the netspecs into individual rspecs
- netspecs = spec.getDictsByTagName('NetSpec')
- for netspec in netspecs:
- net_hrn = netspec['name']
- resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec}
- resourceDict = {'RSpec': resources}
- tempspec.parseDict(resourceDict)
- rspecs[net_hrn] = tempspec.toxml()
-
- # send each rspec to the appropriate aggregate/sm
- caller_cred = self.caller_cred
- for net_hrn in rspecs:
- try:
- # if we are directly connected to the aggregate then we can just send them the rspec
- # if not, then we may be connected to an sm thats connected to the aggregate
- if net_hrn in aggregates:
- # send the whloe rspec to the local aggregate
- if net_hrn in [self.api.hrn]:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, rspec, request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspec]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, rspec, request_hash, caller_cred)
- else:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspecs[net_hrn]]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- else:
- # lets forward this rspec to a sm that knows about the network
- arg_list = [credential, net_hrn]
- request_hash = self.api.compute_hash(arg_list)
- for aggregate in aggregates:
- try:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn)
- except:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn, request_hash)
- if network_networks:
- try:
- request_hash = None
- aggregates[aggregate].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential, hrn, rspecs[net_hrn]]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[aggregate].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
-
- except:
- print >> log, "Error creating slice %(hrn)s at aggregate %(net_hrn)s" % locals()
- traceback.print_exc()
- return 1
-
-
- def start_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.start_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.start_slice_smgr(hrn)
-
- def start_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "1" )
- return 1
-
- def start_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- aggregates[aggregate].start_slice(credential, hrn)
- return 1
-
-
- def stop_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.stop_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.stop_slice_smgr(hrn)
-
- def stop_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attributes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "0")
- return 1
-
- def stop_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- arg_list = [credential, hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- for aggregate in aggregates:
- try:
- aggregates[aggregate].stop_slice(credential, hrn)
- except:
- aggregates[aggregate].stop_slice(credential, hrn, request_hash)
-
+++ /dev/null
-### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
-
-import datetime
-import time
-import traceback
-import sys
-
-from types import StringTypes
-from sfa.util.misc import *
-from sfa.util.rspec import *
-from sfa.util.specdict import *
-from sfa.util.faults import *
-from sfa.util.storage import *
-from sfa.util.record import GeniRecord
-from sfa.util.policy import Policy
-from sfa.util.prefixTree import prefixTree
-from sfa.util.debug import log
-from sfa.server.aggregate import Aggregates
-from sfa.server.registry import Registries
-
-MAXINT = 2L**31-1
-
-class Slices(SimpleStorage):
-
- rspec_to_slice_tag = {'max_rate':'net_max_rate'}
-
- def __init__(self, api, ttl = .5, caller_cred=None):
- self.api = api
- self.ttl = ttl
- self.threshold = None
- path = self.api.config.SFA_DATA_DIR
- filename = ".".join([self.api.interface, self.api.hrn, "slices"])
- filepath = path + os.sep + filename
- self.slices_file = filepath
- SimpleStorage.__init__(self, self.slices_file)
- self.policy = Policy(self.api)
- self.load()
- self.caller_cred=caller_cred
- self.aggregates = Aggregates(self.api)
-
- def get_slivers(self, hrn, node=None):
- """
- Get the slivers at each aggregate
- """
- slivers = []
- for aggregate in self.aggregates:
- slivers += aggregate.get_slivers()
- return slivers
-
- def refresh(self):
- """
- Update the cached list of slices
- """
- # Reload components list
- now = datetime.datetime.now()
- if not self.has_key('threshold') or not self.has_key('timestamp') or \
- now > datetime.datetime.fromtimestamp(time.mktime(time.strptime(self['threshold'], self.api.time_format))):
- self.refresh_slices_smgr()
-
- def refresh_slices_smgr(self):
- slice_hrns = []
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
- for aggregate in aggregates:
- success = False
- # request hash is optional so lets try the call without it
- try:
- request_hash=None
- slices = aggregates[aggregate].get_slices(credential, request_hash, self.caller_cred)
- slice_hrns.extend(slices)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
-
- # try sending the request hash if the previous call failed
- if not success:
- arg_list = [credential]
- request_hash = self.api.key.compute_hash(arg_list)
- try:
- slices = aggregates[aggregate].get_slices(credential, request_hash, self.caller_cred)
- slice_hrns.extend(slices)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
-
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
-
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
-
-
- def delete_slice(self, hrn):
- self.delete_slice_smgr(hrn)
-
- def delete_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- caller_cred = self.caller_cred
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- success = False
- # request hash is optional so lets try the call without it
- try:
- request_hash=None
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling list nodes at aggregate %s" % aggregate
-
- # try sending the request hash if the previous call failed
- if not success:
- try:
- arg_list = [credential, hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling list nodes at aggregate %s" % aggregate
-
- def create_slice(self, hrn, rspec):
-
- # check our slice policy before we procede
- whitelist = self.policy['slice_whitelist']
- blacklist = self.policy['slice_blacklist']
-
- if whitelist and hrn not in whitelist or \
- blacklist and hrn in blacklist:
- policy_file = self.policy.policy_file
- print >> log, "Slice %(hrn)s not allowed by policy %(policy_file)s" % locals()
- return 1
-
- self.create_slice_smgr(hrn, rspec)
-
- def create_slice_smgr(self, hrn, rspec):
- spec = RSpec()
- tempspec = RSpec()
- spec.parseString(rspec)
- slicename = hrn_to_pl_slicename(hrn)
- specDict = spec.toDict()
- if specDict.has_key('RSpec'): specDict = specDict['RSpec']
- if specDict.has_key('start_time'): start_time = specDict['start_time']
- else: start_time = 0
- if specDict.has_key('end_time'): end_time = specDict['end_time']
- else: end_time = 0
-
- rspecs = {}
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
-
- # split the netspecs into individual rspecs
- netspecs = spec.getDictsByTagName('NetSpec')
- for netspec in netspecs:
- net_hrn = netspec['name']
- resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec}
- resourceDict = {'RSpec': resources}
- tempspec.parseDict(resourceDict)
- rspecs[net_hrn] = tempspec.toxml()
-
- # send each rspec to the appropriate aggregate/sm
- caller_cred = self.caller_cred
- for net_hrn in rspecs:
- try:
- # if we are directly connected to the aggregate then we can just send them the rspec
- # if not, then we may be connected to an sm thats connected to the aggregate
- if net_hrn in aggregates:
- # send the whloe rspec to the local aggregate
- if net_hrn in [self.api.hrn]:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, rspec, request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspec]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, rspec, request_hash, caller_cred)
- else:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspecs[net_hrn]]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- else:
- # lets forward this rspec to a sm that knows about the network
- arg_list = [credential, net_hrn]
- request_hash = self.api.compute_hash(arg_list)
- for aggregate in aggregates:
- try:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn)
- except:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn, request_hash)
- if network_networks:
- try:
- request_hash = None
- aggregates[aggregate].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential, hrn, rspecs[net_hrn]]
- request_hash = self.api.key.compute_hash(arg_list)
- aggregates[aggregate].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
-
- except:
- print >> log, "Error creating slice %(hrn)s at aggregate %(net_hrn)s" % locals()
- traceback.print_exc()
- return 1
-
-
- def start_slice(self, hrn):
- self.start_slice_smgr(hrn)
-
- def start_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- aggregates[aggregate].start_slice(credential, hrn)
- return 1
-
-
- def stop_slice(self, hrn):
- self.stop_slice_smgr(hrn)
-
- def stop_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- arg_list = [credential, hrn]
- request_hash = self.api.key.compute_hash(arg_list)
- for aggregate in aggregates:
- try:
- aggregates[aggregate].stop_slice(credential, hrn)
- except:
- aggregates[aggregate].stop_slice(credential, hrn, request_hash)
-
git://git.onelab.eu / sfa.git / commitdiff