--- /dev/null
+import types
+import time
+# for get_key_from_incoming_ip
+import tempfile
+import os
+import commands
+
+from sfa.util.faults import RecordNotFound, AccountNotEnabled, PermissionError, MissingAuthority, \
+ UnknownSfaType, ExistingRecord, NonExistingRecord
+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):
+
+ def __init__ (self, config): pass
+
+ # 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):
+ # convert xrn to hrn
+ if type:
+ hrn = urn_to_hrn(xrn)[0]
+ else:
+ hrn, type = urn_to_hrn(xrn)
+
+ # Is this a root or sub authority
+ 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]
+
+ # 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']))
+
+ # get the callers gid
+ # if this is a self cred the record's gid is the caller's gid
+ if is_self:
+ 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()
+
+ object_hrn = record.get_gid_object().get_hrn()
+ rights = api.auth.determine_user_rights(caller_hrn, record)
+ # make sure caller has rights to this object
+ if rights.is_empty():
+ raise PermissionError(caller_hrn + " has no rights to " + record['name'])
+
+ 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_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
+ #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'])
+ expires = datetime_to_epoch(date)
+ new_cred.set_expiration(int(expires))
+ auth_kind = "authority,ma,sa"
+ # Parent not necessary, verify with certs
+ #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
+ new_cred.encode()
+ new_cred.sign()
+
+ 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']
+ if type=='slice':
+ self.update_relation(subject_record, 'researcher', ref_record.get('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):
+ # 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 ]
+ 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
git://git.onelab.eu / sfa.git / blobdiff