Merge branch 'master' into sqlalchemy
[sfa.git] / sfa / managers / registry_manager_openstack.py
index 51c4472..aee536f 100644 (file)
@@ -1,5 +1,4 @@
 import types
-import time 
 # for get_key_from_incoming_ip
 import tempfile
 import os
@@ -13,28 +12,19 @@ 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.persistentobjs import make_record,RegRecord
+from sfa.storage.alchemy import dbsession
 
-    def __init__ (self, config): pass
+from sfa.managers.registry_manager import RegistryManager
+
+class RegistryManager(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):
         # convert xrn to hrn     
         if type:
@@ -46,19 +36,19 @@ class RegistryManager(registry_manager.RegistryManager):
         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
+        record=dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).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
@@ -70,12 +60,12 @@ class RegistryManager(registry_manager.RegistryManager):
             caller_hrn = caller_gid.get_hrn()
         
         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.__dict__)
         # 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)
@@ -83,8 +73,8 @@ class RegistryManager(registry_manager.RegistryManager):
         #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"
@@ -96,357 +86,24 @@ class RegistryManager(registry_manager.RegistryManager):
         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