+import os
+import sys
+import datetime
+import time
+
+from sfa.util.config import Config
+from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn
+from sfa.util.plxrn import PlXrn, slicename_to_hrn, email_to_hrn, hrn_to_pl_slicename
+
+from sfa.senslab.LDAPapi import LDAPapi
+from sfa.senslab.slabdriver import SlabDriver
+from sfa.senslab.slabpostgres import SlabDB
+
+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
+
+def _get_site_hrn(site):
+ hrn = site['login_base']
+ return hrn
+
+class SlabImporter:
+
+ def __init__ (self, auth_hierarchy, logger):
+ self.auth_hierarchy = auth_hierarchy
+ self.logger=logger
+
+ def hostname_to_hrn(self,root_auth,login_base,hostname):
+ return PlXrn(auth=root_auth,hostname=login_base+'_'+hostname).get_hrn()
+
+ 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 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()
+ interface_hrn = config.SFA_INTERFACE_HRN
+ root_auth = config.SFA_REGISTRY_ROOT_AUTH
+ slabdriver = SlabDriver(config)
+
+ #Create special slice table for senslab
+ db = SlabDB()
+ if not db.exists('slice_senslab'):
+ db.createtable('slice_senslab')
+ ######## 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 ] )
+
+ # 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()
+ 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:
+ # 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['login_base']
+ hrn = self.hostname_to_hrn(root_auth, site_name, node['hostname'])
+ # xxx this sounds suspicious
+ if len(hrn) > 64: hrn = hrn[:64]
+ node_record = self.find_record_by_type_hrn( 'node', hrn )
+ print >>sys.stderr, " \r\n \r\n SLAB IMPORTER node_record %s " %(node_record)
+ if not node_record:
+ try:
+ pkey = Keypair(create=True)
+ urn = hrn_to_urn(hrn, 'node')
+ print>>sys.stderr, "\r\n \r\n SLAB IMPORTER NODE IMPORT urn %s hrn %s" %(urn, hrn)
+ node_gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey)
+ node_record = RegNode (hrn=hrn, gid=node_gid,
+ pointer =node['node_id'],
+ authority=get_authority(hrn))
+ node_record.just_created()
+ dbsession.add(node_record)
+ dbsession.commit()
+ self.logger.info("SlabImporter: imported node: %s" % node_record)
+ print>>sys.stderr, "\r\n \t\t\t SLAB IMPORTER NODE IMPORT NOTnode_record %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 :
+
+ person_hrn = person['hrn']
+ slice_hrn = self.slicename_to_hrn(person['hrn'],'_slice')
+
+ # 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)
+ print>>sys.stderr, "\r\n \r\n SLAB IMPORTER PERSON IMPORT user_record %s " %(user_record)
+
+
+ # 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:
+ 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 )
+ person_gid = self.auth_hierarchy.create_gid(person_urn, create_uuid(), pkey)
+ 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'])
+ 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
+ #def key_in_list (key,sfa_keys):
+ #for reg_key in sfa_keys:
+ #if reg_key.key==key['key']: return True
+ #return False
+ # is there a new key in myplc ?
+ new_keys=False
+ if key is not sfa_keys :
+ new_keys = True
+ if new_keys:
+ (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)
+ user_record.email = person['email']
+ dbsession.commit()
+ user_record.stale=False
+ except:
+ self.logger.log_exc("SlabImporter: failed to import person %s"%(person) )
+
+ 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))
+ print>>sys.stderr, "\r\n \r\n SLAB IMPORTER SLICE IMPORT NOTslice_record%s " %(slice_record)
+ slice_record.just_created()
+ dbsession.add(slice_record)
+ dbsession.commit()
+ self.logger.info("SlabImporter: imported slice: %s" % slice_record)
+ self.remember_record ( slice_record )
+ except:
+ self.logger.log_exc("SlabImporter: failed to import slice")
+ 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 = \
+ [ self.locate_by_type_pointer ('user',user_id) for user_id in slice['person_ids'] ]
+ dbsession.commit()
+ slice_record.stale=False
+
+
+
+ ### remove stale records
+ # special records must be preserved
+ system_hrns = [interface_hrn, root_auth, interface_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()
+
+
+
\ No newline at end of file