sfa/importer/__init__.py

   1 #!/usr/bin/python
   2
   3 import sys
   4 from datetime import datetime
   5
   6 from sfa.util.xrn import get_authority, hrn_to_urn
   7 from sfa.generic import Generic
   8 from sfa.util.config import Config
   9 from sfa.util.sfalogging import _SfaLogger
  10 from sfa.trust.hierarchy import Hierarchy
  11 #from sfa.trust.trustedroots import TrustedRoots
  12 from sfa.trust.gid import create_uuid
  13 # using global alchemy.session() here is fine
  14 # as importer is on standalone one-shot process
  15 from sfa.storage.alchemy import global_dbsession
  16 from sfa.storage.model import RegRecord, RegAuthority, RegUser
  17 from sfa.trust.certificate import convert_public_key, Keypair
  18
  19
  20 class Importer:
  21
  22     def __init__(self,auth_hierarchy=None,logger=None):
  23         self.config = Config()
  24         if auth_hierarchy is not None:
  25             self.auth_hierarchy=auth_hierarchy
  26         else:
  27             self.auth_hierarchy = Hierarchy ()
  28         if logger is not None:
  29             self.logger=logger
  30         else:
  31             self.logger = _SfaLogger(logfile='/var/log/sfa_import.log', loggername='importlog')
  32             self.logger.setLevelFromOptVerbose(self.config.SFA_API_LOGLEVEL)
  33 # ugly side effect so that other modules get it right
  34         import sfa.util.sfalogging
  35         sfa.util.sfalogging.logger=logger
  36 #        self.TrustedRoots = TrustedRoots(self.config.get_trustedroots_dir())
  37
  38     # check before creating a RegRecord entry as we run this over and over
  39     def record_exists (self, type, hrn):
  40        return global_dbsession.query(RegRecord).filter_by(hrn=hrn,type=type).count()!=0
  41
  42     def create_top_level_auth_records(self, hrn):
  43         """
  44         Create top level db records (includes root and sub authorities (local/remote)
  45         """
  46         # make sure parent exists
  47         parent_hrn = get_authority(hrn)
  48         if not parent_hrn:
  49             parent_hrn = hrn
  50         if not parent_hrn == hrn:
  51             self.create_top_level_auth_records(parent_hrn)
  52
  53         # ensure key and cert exists:
  54         self.auth_hierarchy.create_top_level_auth(hrn)
  55         # create the db record if it doesnt already exist
  56         if not self.record_exists ('authority',hrn):
  57             auth_info = self.auth_hierarchy.get_auth_info(hrn)
  58             auth_record = RegAuthority(hrn=hrn, gid=auth_info.get_gid_object(),
  59                                        authority=get_authority(hrn))
  60             auth_record.just_created()
  61             global_dbsession.add (auth_record)
  62             global_dbsession.commit()
  63             self.logger.info("SfaImporter: imported authority (parent) %s " % auth_record)
  64
  65
  66     def create_sm_client_record(self):
  67         """
  68         Create a user record for the Slicemanager service.
  69         """
  70         hrn = self.interface_hrn + '.slicemanager'
  71         urn = hrn_to_urn(hrn, 'user')
  72         if not self.auth_hierarchy.auth_exists(urn):
  73             self.logger.info("SfaImporter: creating Slice Manager user")
  74             self.auth_hierarchy.create_auth(urn)
  75
  76         if self.record_exists ('user',hrn): return
  77         auth_info = self.auth_hierarchy.get_auth_info(hrn)
  78         user_record = RegUser(hrn=hrn, gid=auth_info.get_gid_object(),
  79                               authority=get_authority(hrn))
  80         user_record.just_created()
  81         global_dbsession.add (user_record)
  82         global_dbsession.commit()
  83         self.logger.info("SfaImporter: importing user (slicemanager) %s " % user_record)
  84
  85
  86     def create_interface_records(self):
  87         """
  88         Create a record for each SFA interface
  89         """
  90         # just create certs for all sfa interfaces even if they
  91         # aren't enabled
  92         auth_info = self.auth_hierarchy.get_auth_info(self.config.SFA_INTERFACE_HRN)
  93         pkey = auth_info.get_pkey_object()
  94         hrn=self.config.SFA_INTERFACE_HRN
  95         for type in  [ 'authority+sa', 'authority+am', 'authority+sm', ]:
  96             urn = hrn_to_urn(hrn, type)
  97             gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey)
  98             # for now we have to preserve the authority+<> stuff
  99             if self.record_exists (type,hrn): continue
 100             interface_record = RegAuthority(type=type, hrn=hrn, gid=gid,
 101                                             authority=get_authority(hrn))
 102             interface_record.just_created()
 103             global_dbsession.add (interface_record)
 104             global_dbsession.commit()
 105             self.logger.info("SfaImporter: imported authority (%s) %s " % (type,interface_record))
 106
 107     def run(self, options=None):
 108         if not self.config.SFA_REGISTRY_ENABLED:
 109             self.logger.critical("Importer: need SFA_REGISTRY_ENABLED to run import")
 110
 111         # testbed-neutral : create local certificates and the like
 112         auth_hierarchy = Hierarchy ()
 113         self.create_top_level_auth_records(self.config.SFA_INTERFACE_HRN)
 114         self.create_interface_records()
 115
 116         # testbed-specific
 117         testbed_importer = None
 118         generic=Generic.the_flavour()
 119         importer_class = generic.importer_class()
 120         if importer_class:
 121             begin_time=datetime.utcnow()
 122             self.logger.info (30*'=')
 123             self.logger.info ("Starting import on %s, using class %s from flavour %s"%\
 124                          (begin_time,importer_class.__name__,generic.flavour))
 125             testbed_importer = importer_class (auth_hierarchy, self.logger)
 126             if testbed_importer:
 127                 testbed_importer.add_options(options)
 128                 testbed_importer.run (options)
 129             end_time=datetime.utcnow()
 130             duration=end_time-begin_time
 131             self.logger.info("Import took %s"%duration)
 132             self.logger.info (30*'=')