import sys from sfa.util.config import Config from sfa.util.xrn import Xrn, get_authority, hrn_to_urn from sfa.senslab.slabdriver import SlabDriver from sfa.senslab.slabpostgres import SliceSenslab, slab_dbsession from sfa.trust.certificate import Keypair,convert_public_key from sfa.trust.gid import create_uuid from sfa.storage.alchemy import dbsession from sfa.storage.model import RegRecord, RegAuthority, RegSlice, RegNode, \ RegUser, RegKey from sfa.util.sfalogging import logger from sqlalchemy.exc import SQLAlchemyError def _get_site_hrn(site): hrn = site['name'] return hrn class SlabImporter: def __init__ (self, auth_hierarchy, loc_logger): self.auth_hierarchy = auth_hierarchy self.logger = loc_logger self.logger.setLevelDebug() def hostname_to_hrn_escaped(self, root_auth, hostname): return '.'.join( [root_auth,Xrn.escape(hostname)] ) def slicename_to_hrn(self, person_hrn): return (person_hrn +'_slice') def add_options (self, parser): # we don't have any options for now pass def find_record_by_type_hrn(self,type,hrn): return self.records_by_type_hrn.get ( (type, hrn), None) def locate_by_type_pointer (self, type, pointer): print>>sys.stderr, " \r\n \r\n \t SLABPOSTGRES locate_by_type_pointer .........................." ret = self.records_by_type_pointer.get ( (type, pointer), None) print>>sys.stderr, " \r\n \r\n \t SLABPOSTGRES locate_by_type_pointer " return ret def update_just_added_records_dict (self, record): tuple = (record.type, record.hrn) if tuple in self.records_by_type_hrn: self.logger.warning ("SlabImporter.update_just_added_records_dict: duplicate (%s,%s)"%tuple) return self.records_by_type_hrn [ tuple ] = record def run (self, options): config = Config() slabdriver = SlabDriver(config) #Create special slice table for senslab if not slabdriver.db.exists('slice_senslab'): slabdriver.db.createtable('slice_senslab') self.logger.info ("SlabImporter.run: slice_senslab table created ") #retrieve all existing SFA objects all_records = dbsession.query(RegRecord).all() #create hash by (type,hrn) #used to know if a given record is already known to SFA self.records_by_type_hrn = \ dict ( [ ( (record.type,record.hrn) , record ) for record in all_records ] ) # create hash by (type,pointer) self.records_by_type_pointer = \ dict ( [ ( (str(record.type),record.pointer) , record ) for record in all_records if record.pointer != -1] ) # initialize record.stale to True by default, then mark stale=False on the ones that are in use for record in all_records: record.stale=True nodes_listdict = slabdriver.GetNodes() nodes_by_id = dict([(node['node_id'],node) for node in nodes_listdict]) sites_listdict = slabdriver.GetSites() ldap_person_listdict = slabdriver.GetPersons() slices_listdict = slabdriver.GetSlices() try: slices_by_userid = dict ( [ (one_slice['record_id_user'], one_slice ) for one_slice in slices_listdict ] ) except TypeError: self.logger.log_exc("SlabImporter: failed to create list of slices by user id.") pass for site in sites_listdict: site_hrn = _get_site_hrn(site) site_record = self.find_record_by_type_hrn ('authority', site_hrn) if not site_record: try: urn = hrn_to_urn(site_hrn, 'authority') if not self.auth_hierarchy.auth_exists(urn): self.auth_hierarchy.create_auth(urn) auth_info = self.auth_hierarchy.get_auth_info(urn) site_record = RegAuthority(hrn=site_hrn, gid=auth_info.get_gid_object(), pointer='-1', authority=get_authority(site_hrn)) site_record.just_created() dbsession.add(site_record) dbsession.commit() self.logger.info("SlabImporter: imported authority (site) : %s" % site_record) self.update_just_added_records_dict(site_record) except SQLAlchemyError: # if the site import fails then there is no point in trying to import the # site's child records (node, slices, persons), so skip them. self.logger.log_exc("SlabImporter: failed to import site. Skipping child records") continue else: # xxx update the record ... pass site_record.stale=False # import node records in site for node_id in site['node_ids']: try: node = nodes_by_id[node_id] except: self.logger.warning ("SlabImporter: cannot find node_id %s - ignored"%node_id) continue site_auth = get_authority(site_hrn) site_name = site['name'] escaped_hrn = self.hostname_to_hrn_escaped(slabdriver.root_auth, node['hostname']) print>>sys.stderr, "\r\n \r\n SLABIMPORTER node %s " %(node) hrn = node['hrn'] # xxx this sounds suspicious if len(hrn) > 64: hrn = hrn[:64] node_record = self.find_record_by_type_hrn( 'node', hrn ) if not node_record: try: pkey = Keypair(create=True) urn = hrn_to_urn(escaped_hrn, 'node') node_gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey) def slab_get_authority(hrn): return hrn.split(".")[0] node_record = RegNode (hrn=hrn, gid=node_gid, pointer = '-1', authority=slab_get_authority(hrn)) node_record.just_created() dbsession.add(node_record) dbsession.commit() self.logger.info("SlabImporter: imported node: %s" % node_record) self.update_just_added_records_dict(node_record) except: self.logger.log_exc("SlabImporter: failed to import node") else: # xxx update the record ... pass node_record.stale=False # import persons for person in ldap_person_listdict : if 'ssh-rsa' not in person['pkey']: continue person_hrn = person['hrn'] slice_hrn = self.slicename_to_hrn(person['hrn']) # xxx suspicious again if len(person_hrn) > 64: person_hrn = person_hrn[:64] person_urn = hrn_to_urn(person_hrn, 'user') user_record = self.find_record_by_type_hrn('user', person_hrn) slice_record = self.find_record_by_type_hrn ('slice', slice_hrn) # return a tuple pubkey (a plc key object) and pkey (a Keypair object) def init_person_key (person, slab_key): pubkey = None if person['pkey']: # randomly pick first key in set pubkey = slab_key try: pkey = convert_public_key(pubkey) except TypeError: #key not good. create another pkey self.logger.warn('SlabImporter: \ unable to convert public \ key for %s' % person_hrn) pkey = Keypair(create=True) else: # the user has no keys. Creating a random keypair for the user's gid self.logger.warn("SlabImporter: person %s does not have a PL public key"%person_hrn) pkey = Keypair(create=True) return (pubkey, pkey) try: slab_key = person['pkey'] # new person if not user_record: (pubkey,pkey) = init_person_key (person, slab_key ) if pubkey is not None and pkey is not None : person_gid = self.auth_hierarchy.create_gid(person_urn, create_uuid(), pkey) if person['email']: print>>sys.stderr, "\r\n \r\n SLAB IMPORTER PERSON EMAIL OK email %s " %(person['email']) person_gid.set_email(person['email']) user_record = RegUser (hrn=person_hrn, gid=person_gid, pointer='-1', authority=get_authority(person_hrn), email=person['email']) else: user_record = RegUser (hrn=person_hrn, gid=person_gid, pointer='-1', authority=get_authority(person_hrn)) if pubkey: user_record.reg_keys = [RegKey (pubkey)] else: self.logger.warning("No key found for user %s"%user_record) user_record.just_created() dbsession.add (user_record) dbsession.commit() self.logger.info("SlabImporter: imported person: %s" % user_record) print>>sys.stderr, "\r\n \r\n SLAB IMPORTER PERSON IMPORT NOTuser_record %s " %(user_record) self.update_just_added_records_dict( user_record ) else: # update the record ? # if user's primary key has changed then we need to update the # users gid by forcing an update here sfa_keys = user_record.reg_keys new_key=False if slab_key is not sfa_keys : new_key = True if new_key: (pubkey,pkey) = init_person_key (person, slab_key) person_gid = self.auth_hierarchy.create_gid(person_urn, create_uuid(), pkey) if not pubkey: user_record.reg_keys=[] else: user_record.reg_keys=[ RegKey (pubkey)] self.logger.info("SlabImporter: updated person: %s" % user_record) if person['email']: user_record.email = person['email'] dbsession.commit() user_record.stale=False except: self.logger.log_exc("SlabImporter: failed to import person %s"%(person) ) try: slice = slices_by_userid[user_record.record_id] except: self.logger.warning ("SlabImporter: cannot locate slices_by_userid[user_record.record_id] %s - ignored"%user_record) if not slice_record : try: pkey = Keypair(create=True) urn = hrn_to_urn(slice_hrn, 'slice') slice_gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey) slice_record = RegSlice (hrn=slice_hrn, gid=slice_gid, pointer='-1', authority=get_authority(slice_hrn)) slice_record.just_created() dbsession.add(slice_record) dbsession.commit() #Serial id created after commit #Get it sl_rec = dbsession.query(RegSlice).filter(RegSlice.hrn.match(slice_hrn)).all() slab_slice = SliceSenslab( slice_hrn = slice_hrn, record_id_slice=sl_rec[0].record_id, record_id_user= user_record.record_id) print>>sys.stderr, "\r\n \r\n SLAB IMPORTER SLICE IMPORT NOTslice_record %s \r\n slab_slice %s" %(sl_rec,slab_slice) slab_dbsession.add(slab_slice) slab_dbsession.commit() self.logger.info("SlabImporter: imported slice: %s" % slice_record) self.update_just_added_records_dict ( slice_record ) except: self.logger.log_exc("SlabImporter: failed to import slice") #No slice update upon import in senslab else: # xxx update the record ... self.logger.warning ("Slice update not yet implemented") pass # record current users affiliated with the slice slice_record.reg_researchers = [user_record] dbsession.commit() slice_record.stale=False ### remove stale records # special records must be preserved system_hrns = [slabdriver.hrn, slabdriver.root_auth, slabdriver.hrn+ '.slicemanager'] for record in all_records: if record.hrn in system_hrns: record.stale=False if record.peer_authority: record.stale=False for record in all_records: try: stale=record.stale except: stale=True self.logger.warning("stale not found with %s"%record) if stale: self.logger.info("SlabImporter: deleting stale record: %s" % record) dbsession.delete(record) dbsession.commit()