X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fplc%2Fslices.py;h=f059136e07cd6d51f7f0883ae8b97fa3a3173495;hb=73b163a7ea35209e0675a7c7cef367946928a96f;hp=59e8c559da1ff7e307352e68a7a8c01775173b22;hpb=769c8eaded6f8e09fc1402967849c6feb50779f2;p=sfa.git diff --git a/sfa/plc/slices.py b/sfa/plc/slices.py index 59e8c559..f059136e 100644 --- a/sfa/plc/slices.py +++ b/sfa/plc/slices.py @@ -3,32 +3,70 @@ 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 class Slices(SimpleStorage): - def __init__(self, api, ttl = .5): + def __init__(self, api, ttl = .5, caller_cred=None): self.api = api self.ttl = ttl self.threshold = None - path = self.api.config.config_path + path = self.api.config.SFA_BASE_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_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 @@ -65,9 +103,11 @@ class Slices(SimpleStorage): slice_hrns = [] aggregates = Aggregates(self.api) credential = self.api.getCredential() + arg_list = [credential] + request_hash = self.api.key.compute_hash(arg_list) for aggregate in aggregates: try: - slices = aggregates[aggregate].get_slices(credential) + slices = aggregates[aggregate].get_slices(credential, request_hash) slice_hrns.extend(slices) except: print >> log, "Error calling slices at aggregate %(aggregate)s" % locals() @@ -93,121 +133,229 @@ class Slices(SimpleStorage): 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, {'peer_id': None, 'name': slicename}) + 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) + arg_list = [credential, hrn] + request_hash = self.api.key.compute_hash(arg_list) for aggregate in aggregates: - aggregates[aggregate].delete_slice(credential, hrn) + try: + aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred) + except: + print >> log, "Error calling list nodes at aggregate %s" % aggregate + traceback.print_exc(log) + exc_type, exc_value, exc_traceback = sys.exc_info() + print exc_type, exc_value, exc_traceback def create_slice(self, hrn, rspec): - # check our slice policy before we procede + + # 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 create_slice_aggregate(self, hrn, rspec): - spec = Rspec(rspec) - # Get the slice record from geni + + def verify_site(self, registry, credential, slice_hrn, peer, sfa_peer): + authority = get_authority(slice_hrn) + 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} + arg_list = [credential] + request_hash = self.api.key.compute_hash(arg_list) + registry.register_peer_object(credential, peer_dict, request_hash) + pass + 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 = {} - registries = Registries(self.api) - registry = registries[self.api.hrn] - credential = self.api.getCredential() - records = registry.resolve(credential, hrn) - for record in records: - if record.get_type() in ['slice']: - slice = record.as_dict() - if not slice: - raise RecordNotFound(hrn) - - # Make sure slice exists at plc, if it doesnt add it - slicename = hrn_to_pl_slicename(hrn) - slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['node_ids']) + slice_record = None + authority = get_authority(slice_hrn) + 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: - parts = slicename.split("_") - login_base = parts[0] - # if site doesnt exist add it - sites = self.api.plshell.GetSites(self.api.plauth, [login_base]) - if not sites: - authority = get_authority(hrn) - site_records = registry.resolve(credential, authority) - site_record = {} - if not site_records: - raise RecordNotFound(authority) - site_record = site_records[0] - site = site_record.as_dict() - - # add the site - site.pop('site_id') - site_id = self.api.plshell.AddSite(self.api.plauth, site) - else: - site = sites[0] - slice_fields = {} slice_keys = ['name', 'url', 'description'] for key in slice_keys: - if key in slice and slice[key]: - slice_fields[key] = slice[key] - self.api.plshell.AddSlice(self.api.plauth, slice_fields) + 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['node_ids'] = 0 + 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} + arg_list = [credential] + request_hash = self.api.key.compute_hash(arg_list) + registry.register_peer_object(credential, peer_dict, request_hash) + pass + + #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 = 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 - # they are added to the slice - researchers = record.get('researcher', []) + # sure they are added to the slice + slicename = hrn_to_pl_slicename(slice_record['hrn']) + researchers = slice_record.get('researcher', []) for researcher in researchers: + arg_list = [credential, researcher] + request_hash = self.api.key.compute_hash(arg_list) person_record = {} - person_records = registry.resolve(credential, researcher) + person_records = registry.resolve(credential, researcher, request_hash) for record in person_records: - if record.get_type() in ['user']: + if record['type'] in ['user']: person_record = record if not person_record: pass - person_dict = person_record.as_dict() - persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids']) + person_dict = person_record + 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']) - # Create the person record + 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) - - # The line below enables the user account on the remote aggregate soon after it is created. - # without this the user key is not transfered to the slice (as GetSlivers returns key of only enabled users), - # which prevents the user from login to the slice. We may do additional checks before enabling the user. - - self.api.plshell.UpdatePerson(self.api.plauth, person_id, {'enabled' : True}) + 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} + arg_list = [credential] + request_hash = self.api.key.compute_hash(arg_list) + registry.register_peer_object(credential, peer_dict, request_hash) + pass + + 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'] - self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename) - # Get this users local keys - keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key']) - keys = [key['key'] for key in keylist] + # 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: + self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer']) + 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) + + def verify_keys(self, registry, credential, person_dict, key_ids, person_id, peer): + 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: + self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer']) + 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() - # add keys that arent already there - for personkey in person_dict['keys']: - if personkey not in keys: - key = {'key_type': 'ssh', 'key': personkey} - self.api.plshell.AddPersonKey(self.api.plauth, person_dict['email'], key) + 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']) @@ -227,18 +375,22 @@ class Slices(SimpleStorage): # add nodes from rspec added_nodes = list(set(nodes).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) 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 = 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('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'] @@ -247,22 +399,46 @@ class Slices(SimpleStorage): rspecs = {} aggregates = Aggregates(self.api) credential = self.api.getCredential() - # only attempt to extract information about the aggregates we know about - for aggregate in aggregates: - netspec = spec.getDictByTagNameValue('NetSpec', aggregate) - if netspec: - # creat a plc dict - resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec} - resourceDict = {'Rspec': resources} - tempspec.parseDict(resourceDict) - rspecs[aggregate] = tempspec.toxml() - - # notify the aggregates - for aggregate in rspecs.keys(): + + # 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: - aggregates[aggregate].create_slice(credential, hrn, rspecs[aggregate]) + # 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]: + 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: + 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: + network_found = aggregates[aggregate].get_aggregates(credential, net_hrn, request_hash) + if network_networks: + 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 %(aggregate)s" % locals() + print >> log, "Error creating slice %(hrn)s at aggregate %(net_hrn)s" % locals() + traceback.print_exc() return 1 @@ -311,6 +487,8 @@ class Slices(SimpleStorage): 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: - aggregates[aggregate].stop_slice(credential, hrn) + aggregates[aggregate].stop_slice(credential, hrn, request_hash)