import types
-import time
# for get_key_from_incoming_ip
import tempfile
import os
from sfa.util.sfatime import utcparse, datetime_to_epoch
from sfa.util.prefixTree import prefixTree
from sfa.util.xrn import Xrn, get_authority, hrn_to_urn, urn_to_hrn
-from sfa.util.plxrn import hrn_to_pl_login_base
from sfa.util.version import version_core
from sfa.util.sfalogging import logger
+
from sfa.trust.gid import GID
from sfa.trust.credential import Credential
from sfa.trust.certificate import Certificate, Keypair, convert_public_key
from sfa.trust.gid import create_uuid
-from sfa.storage.record import SfaRecord
-from sfa.storage.table import SfaTable
-from sfa.managers import registry_manager
-class RegistryManager(registry_manager.RegistryManager):
+from sfa.storage.model import make_record,RegRecord
+from sfa.storage.alchemy import dbsession
- def __init__ (self, config): pass
+from sfa.managers.registry_manager import RegistryManager
- # The GENI GetVersion call
- def GetVersion(self, api, options):
- peers = dict ( [ (hrn,interface.get_url()) for (hrn,interface) in api.registries.iteritems()
- if hrn != api.hrn])
- xrn=Xrn(api.hrn)
- return version_core({'interface':'registry',
- 'hrn':xrn.get_hrn(),
- 'urn':xrn.get_urn(),
- 'peers':peers})
-
- def GetCredential(self, api, xrn, type, is_self=False):
+class RegistryManager(RegistryManager):
+
+ def GetCredential(self, api, xrn, type, caller_xrn = None):
# convert xrn to hrn
if type:
hrn = urn_to_hrn(xrn)[0]
auth_hrn = api.auth.get_authority(hrn)
if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
auth_hrn = hrn
- # get record info
auth_info = api.auth.get_auth_info(auth_hrn)
- table = SfaTable()
- records = table.findObjects({'type': type, 'hrn': hrn})
- if not records:
- raise RecordNotFound(hrn)
- record = records[0]
+ # get record info
+ filter = {'hrn': hrn}
+ if type:
+ filter['type'] = type
+ record=dbsession.query(RegRecord).filter_by(**filter).first()
+ if not record:
+ raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
# verify_cancreate_credential requires that the member lists
# (researchers, pis, etc) be filled in
- self.driver.augment_records_with_testbed_info (record)
- if not self.driver.is_enabled (record):
- raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
+ logger.debug("get credential before augment dict, keys=%s"%record.__dict__.keys())
+ self.driver.augment_records_with_testbed_info (record.__dict__)
+ logger.debug("get credential after augment dict, keys=%s"%record.__dict__.keys())
+ if not self.driver.is_enabled (record.__dict__):
+ raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record.email))
# get the callers gid
- # if this is a self cred the record's gid is the caller's gid
- if is_self:
+ # if caller_xrn is not specified assume the caller is the record
+ # object itself.
+ if not caller_xrn:
caller_hrn = hrn
caller_gid = record.get_gid_object()
else:
- caller_gid = api.auth.client_cred.get_gid_caller()
- caller_hrn = caller_gid.get_hrn()
+ caller_hrn, caller_type = urn_to_hrn(caller_xrn)
+ caller_filter = {'hrn': caller_hrn}
+ if caller_type:
+ caller_filter['type'] = caller_type
+ caller_record = dbsession.query(RegRecord).filter_by(**caller_filter).first()
+ if not caller_record:
+ raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
+ caller_gid = GID(string=caller_record.gid)
object_hrn = record.get_gid_object().get_hrn()
- rights = api.auth.determine_user_rights(caller_hrn, record)
+ rights = api.auth.determine_user_rights(caller_hrn, record.todict())
# make sure caller has rights to this object
if rights.is_empty():
- raise PermissionError(caller_hrn + " has no rights to " + record['name'])
+ raise PermissionError(caller_hrn + " has no rights to " + record.hrn)
- object_gid = GID(string=record['gid'])
+ object_gid = GID(string=record.gid)
new_cred = Credential(subject = object_gid.get_subject())
new_cred.set_gid_caller(caller_gid)
new_cred.set_gid_object(object_gid)
#new_cred.set_pubkey(object_gid.get_pubkey())
new_cred.set_privileges(rights)
new_cred.get_privileges().delegate_all_privileges(True)
- if 'expires' in record:
- date = utcparse(record['expires'])
+ if hasattr(record,'expires'):
+ date = utcparse(record.expires)
expires = datetime_to_epoch(date)
new_cred.set_expiration(int(expires))
auth_kind = "authority,ma,sa"
return new_cred.save_to_string(save_parents=True)
- def Resolve(self, api, xrns, type=None, full=True):
-
- if not isinstance(xrns, types.ListType):
- xrns = [xrns]
- # try to infer type if not set and we get a single input
- if not type:
- type = Xrn(xrns).get_type()
- hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
- # load all known registry names into a prefix tree and attempt to find
- # the longest matching prefix
- # create a dict where key is a registry hrn and its value is a
- # hrns at that registry (determined by the known prefix tree).
- xrn_dict = {}
- registries = api.registries
- tree = prefixTree()
- registry_hrns = registries.keys()
- tree.load(registry_hrns)
- for xrn in xrns:
- registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
- if registry_hrn not in xrn_dict:
- xrn_dict[registry_hrn] = []
- xrn_dict[registry_hrn].append(xrn)
-
- records = []
- for registry_hrn in xrn_dict:
- # skip the hrn without a registry hrn
- # XX should we let the user know the authority is unknown?
- if not registry_hrn:
- continue
-
- # if the best match (longest matching hrn) is not the local registry,
- # forward the request
- xrns = xrn_dict[registry_hrn]
- if registry_hrn != api.hrn:
- credential = api.getCredential()
- interface = api.registries[registry_hrn]
- server_proxy = api.server_proxy(interface, credential)
- peer_records = server_proxy.Resolve(xrns, credential)
- records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
-
- # try resolving the remaining unfound records at the local registry
- local_hrns = list ( set(hrns).difference([record['hrn'] for record in records]) )
- #
- table = SfaTable()
- local_records = table.findObjects({'hrn': local_hrns})
-
- if full:
- # in full mode we get as much info as we can, which involves contacting the
- # testbed for getting implementation details about the record
- self.driver.augment_records_with_testbed_info(local_records)
- # also we fill the 'url' field for known authorities
- # used to be in the driver code, sounds like a poorman thing though
- def solve_neighbour_url (record):
- if not record['type'].startswith('authority'): return
- hrn=record['hrn']
- for neighbour_dict in [ api.aggregates, api.registries ]:
- if hrn in neighbour_dict:
- record['url']=neighbour_dict[hrn].get_url()
- return
- [ solve_neighbour_url (record) for record in local_records ]
-
-
-
- # convert local record objects to dicts
- records.extend([dict(record) for record in local_records])
- if type:
- records = filter(lambda rec: rec['type'] in [type], records)
-
- if not records:
- raise RecordNotFound(str(hrns))
-
- return records
-
- def List(self, api, xrn, origin_hrn=None):
- hrn, type = urn_to_hrn(xrn)
- # load all know registry names into a prefix tree and attempt to find
- # the longest matching prefix
- records = []
- registries = api.registries
- registry_hrns = registries.keys()
- tree = prefixTree()
- tree.load(registry_hrns)
- registry_hrn = tree.best_match(hrn)
-
- #if there was no match then this record belongs to an unknow registry
- if not registry_hrn:
- raise MissingAuthority(xrn)
- # if the best match (longest matching hrn) is not the local registry,
- # forward the request
- records = []
- if registry_hrn != api.hrn:
- credential = api.getCredential()
- interface = api.registries[registry_hrn]
- server_proxy = api.server_proxy(interface, credential)
- record_list = server_proxy.List(xrn, credential)
- records = [SfaRecord(dict=record).as_dict() for record in record_list]
-
- # if we still have not found the record yet, try the local registry
- if not records:
- if not api.auth.hierarchy.auth_exists(hrn):
- raise MissingAuthority(hrn)
-
- table = SfaTable()
- records = table.find({'authority': hrn})
-
- return records
-
-
- def CreateGid(self, api, xrn, cert):
- # get the authority
- authority = Xrn(xrn=xrn).get_authority_hrn()
- auth_info = api.auth.get_auth_info(authority)
- if not cert:
- pkey = Keypair(create=True)
- else:
- certificate = Certificate(string=cert)
- pkey = certificate.get_pubkey()
- gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey)
- return gid.save_to_string(save_parents=True)
-
- ####################
- # utility for handling relationships among the SFA objects
- # given that the SFA db does not handle this sort of relationsships
- # it will rely on side-effects in the testbed to keep this persistent
-
# subject_record describes the subject of the relationships
# ref_record contains the target values for the various relationships we need to manage
# (to begin with, this is just the slice x person relationship)
- def update_relations (self, subject_record, ref_record):
- type=subject_record['type']
+ def update_relations (self, subject_obj, ref_obj):
+ type=subject_obj.type
if type=='slice':
- self.update_relation(subject_record, 'researcher', ref_record.get('researcher'), 'user')
+ self.update_relation(subject_obj, 'researcher', ref_obj.researcher, 'user')
# field_key is the name of one field in the record, typically 'researcher' for a 'slice' record
# hrns is the list of hrns that should be linked to the subject from now on
# target_type would be e.g. 'user' in the 'slice' x 'researcher' example
- def update_relation (self, sfa_record, field_key, hrns, target_type):
+ def update_relation (self, record_obj, field_key, hrns, target_type):
# locate the linked objects in our db
- subject_type=sfa_record['type']
- subject_id=sfa_record['pointer']
- table = SfaTable()
- link_sfa_records = table.find ({'type':target_type, 'hrn': hrns})
- link_ids = [ rec.get('pointer') for rec in link_sfa_records ]
+ subject_type=record_obj.type
+ subject_id=record_obj.pointer
+ # get the 'pointer' field of all matching records
+ link_id_tuples = dbsession.query(RegRecord.pointer).filter_by(type=target_type).filter(RegRecord.hrn.in_(hrns)).all()
+ # sqlalchemy returns named tuples for columns
+ link_ids = [ tuple.pointer for tuple in link_id_tuples ]
self.driver.update_relation (subject_type, target_type, subject_id, link_ids)
-
-
- def Register(self, api, record):
-
- hrn, type = record['hrn'], record['type']
- urn = hrn_to_urn(hrn,type)
- # validate the type
- if type not in ['authority', 'slice', 'node', 'user']:
- raise UnknownSfaType(type)
-
- # check if record already exists
- table = SfaTable()
- existing_records = table.find({'type': type, 'hrn': hrn})
- if existing_records:
- raise ExistingRecord(hrn)
-
- record = SfaRecord(dict = record)
- record['authority'] = get_authority(record['hrn'])
- auth_info = api.auth.get_auth_info(record['authority'])
- pub_key = None
- # make sure record has a gid
- if 'gid' not in record:
- uuid = create_uuid()
- pkey = Keypair(create=True)
- if 'keys' in record and record['keys']:
- pub_key=record['keys']
- # use only first key in record
- if isinstance(record['keys'], types.ListType):
- pub_key = record['keys'][0]
- pkey = convert_public_key(pub_key)
-
- gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
- gid = gid_object.save_to_string(save_parents=True)
- record['gid'] = gid
- record.set_gid(gid)
-
- if type in ["authority"]:
- # update the tree
- if not api.auth.hierarchy.auth_exists(hrn):
- api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
-
- # get the GID from the newly created authority
- gid = auth_info.get_gid_object()
- record.set_gid(gid.save_to_string(save_parents=True))
-
- # update testbed-specific data if needed
- pointer = self.driver.register (record, hrn, pub_key)
-
- record.set_pointer(pointer)
- record_id = table.insert(record)
- record['record_id'] = record_id
-
- # update membership for researchers, pis, owners, operators
- self.update_relations (record, record)
-
- return record.get_gid_object().save_to_string(save_parents=True)
-
- def Update(self, api, record_dict):
- new_record = SfaRecord(dict = record_dict)
- type = new_record['type']
- hrn = new_record['hrn']
- urn = hrn_to_urn(hrn,type)
- table = SfaTable()
- # make sure the record exists
- records = table.findObjects({'type': type, 'hrn': hrn})
- if not records:
- raise RecordNotFound(hrn)
- record = records[0]
- record['last_updated'] = time.gmtime()
-
- # validate the type
- if type not in ['authority', 'slice', 'node', 'user']:
- raise UnknownSfaType(type)
-
- # Use the pointer from the existing record, not the one that the user
- # gave us. This prevents the user from inserting a forged pointer
- pointer = record['pointer']
-
- # is the a change in keys ?
- new_key=None
- if type=='user':
- if 'keys' in new_record and new_record['keys']:
- new_key=new_record['keys']
- if isinstance (new_key,types.ListType):
- new_key=new_key[0]
-
- # update the PLC information that was specified with the record
- if not self.driver.update (record, new_record, hrn, new_key):
- logger.warning("driver.update failed")
-
- # take new_key into account
- if new_key:
- # update the openssl key and gid
- pkey = convert_public_key(new_key)
- uuid = create_uuid()
- gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
- gid = gid_object.save_to_string(save_parents=True)
- record['gid'] = gid
- record = SfaRecord(dict=record)
- table.update(record)
-
- # update membership for researchers, pis, owners, operators
- self.update_relations (record, new_record)
-
- return 1
-
- # expecting an Xrn instance
- def Remove(self, api, xrn, origin_hrn=None):
-
- table = SfaTable()
- filter = {'hrn': xrn.get_hrn()}
- hrn=xrn.get_hrn()
- type=xrn.get_type()
- if type and type not in ['all', '*']:
- filter['type'] = type
-
- records = table.find(filter)
- if not records: raise RecordNotFound(hrn)
- record = records[0]
- type = record['type']
-
- if type not in ['slice', 'user', 'node', 'authority'] :
- raise UnknownSfaType(type)
-
- credential = api.getCredential()
- registries = api.registries
-
- # Try to remove the object from the PLCDB of federated agg.
- # This is attempted before removing the object from the local agg's PLCDB and sfa table
- if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
- for registry in registries:
- if registry not in [api.hrn]:
- try:
- result=registries[registry].remove_peer_object(credential, record, origin_hrn)
- except:
- pass
-
- # call testbed callback first
- # IIUC this is done on the local testbed TOO because of the refreshpeer link
- if not self.driver.remove(record):
- logger.warning("driver.remove failed")
-
- # delete from sfa db
- table.remove(record)
-
- return 1
-
- # This is a PLC-specific thing...
- def get_key_from_incoming_ip (self, api):
- # verify that the callers's ip address exist in the db and is an interface
- # for a node in the db
- (ip, port) = api.remote_addr
- interfaces = self.driver.shell.GetInterfaces({'ip': ip}, ['node_id'])
- if not interfaces:
- raise NonExistingRecord("no such ip %(ip)s" % locals())
- nodes = self.driver.shell.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
- if not nodes:
- raise NonExistingRecord("no such node using ip %(ip)s" % locals())
- node = nodes[0]
-
- # look up the sfa record
- table = SfaTable()
- records = table.findObjects({'type': 'node', 'pointer': node['node_id']})
- if not records:
- raise RecordNotFound("pointer:" + str(node['node_id']))
- record = records[0]
-
- # generate a new keypair and gid
- uuid = create_uuid()
- pkey = Keypair(create=True)
- urn = hrn_to_urn(record['hrn'], record['type'])
- gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
- gid = gid_object.save_to_string(save_parents=True)
- record['gid'] = gid
- record.set_gid(gid)
-
- # update the record
- table.update(record)
-
- # attempt the scp the key
- # and gid onto the node
- # this will only work for planetlab based components
- (kfd, key_filename) = tempfile.mkstemp()
- (gfd, gid_filename) = tempfile.mkstemp()
- pkey.save_to_file(key_filename)
- gid_object.save_to_file(gid_filename, save_parents=True)
- host = node['hostname']
- key_dest="/etc/sfa/node.key"
- gid_dest="/etc/sfa/node.gid"
- scp = "/usr/bin/scp"
- #identity = "/etc/planetlab/root_ssh_key.rsa"
- identity = "/etc/sfa/root_ssh_key"
- scp_options=" -i %(identity)s " % locals()
- scp_options+="-o StrictHostKeyChecking=no " % locals()
- scp_key_command="%(scp)s %(scp_options)s %(key_filename)s root@%(host)s:%(key_dest)s" %\
- locals()
- scp_gid_command="%(scp)s %(scp_options)s %(gid_filename)s root@%(host)s:%(gid_dest)s" %\
- locals()
-
- all_commands = [scp_key_command, scp_gid_command]
-
- for command in all_commands:
- (status, output) = commands.getstatusoutput(command)
- if status:
- raise Exception, output
-
- for filename in [key_filename, gid_filename]:
- os.unlink(filename)
- return 1