minor and harmless cosmetic changes
[sfa.git] / 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 * '=')