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