--- /dev/null
+#
+# Dummy importer
+#
+# requirements
+#
+# read the planetlab database and update the local registry database accordingly
+# so we update the following collections
+# . authorities (from pl sites)
+# . node (from pl nodes)
+# . users+keys (from pl persons and attached keys)
+# known limitation : *one* of the ssh keys is chosen at random here
+# xxx todo/check xxx at the very least, when a key is known to the registry
+# and is still current in plc
+# then we should definitely make sure to keep that one in sfa...
+# . slice+researchers (from pl slices and attached users)
+#
+
+import os
+
+from sfa.util.config import Config
+from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn
+
+from sfa.trust.gid import create_uuid
+from sfa.trust.certificate import convert_public_key, Keypair
+
+from sfa.storage.alchemy import dbsession
+from sfa.storage.model import RegRecord, RegAuthority, RegSlice, RegNode, RegUser, RegKey
+
+from sfa.dummy.dummyshell import DummyShell
+from sfa.dummy.dummyxrn import hostname_to_hrn, slicename_to_hrn, email_to_hrn, hrn_to_dummy_slicename
+
+def _get_site_hrn(interface_hrn, site):
+ hrn = ".".join([interface_hrn, site['name']])
+ return hrn
+
+
+class BonfireImporter:
+
+ def __init__ (self, auth_hierarchy, logger):
+ self.auth_hierarchy = auth_hierarchy
+ self.logger=logger
+
+ def add_options (self, parser):
+ # we don't have any options for now
+ pass
+
+ # hrn hash is initialized from current db
+ # remember just-created records as we go
+ # xxx might make sense to add a UNIQUE constraint in the db itself
+ def remember_record_by_hrn (self, record):
+ tuple = (record.type, record.hrn)
+ if tuple in self.records_by_type_hrn:
+ self.logger.warning ("DummyImporter.remember_record_by_hrn: duplicate (%s,%s)"%tuple)
+ return
+ self.records_by_type_hrn [ tuple ] = record
+
+ # ditto for pointer hash
+ def remember_record_by_pointer (self, record):
+ if record.pointer == -1:
+ self.logger.warning ("DummyImporter.remember_record_by_pointer: pointer is void")
+ return
+ tuple = (record.type, record.pointer)
+ if tuple in self.records_by_type_pointer:
+ self.logger.warning ("DummyImporter.remember_record_by_pointer: duplicate (%s,%s)"%tuple)
+ return
+ self.records_by_type_pointer [ ( record.type, record.pointer,) ] = record
+
+ def remember_record (self, record):
+ self.remember_record_by_hrn (record)
+ self.remember_record_by_pointer (record)
+
+ def locate_by_type_hrn (self, type, hrn):
+ return self.records_by_type_hrn.get ( (type, hrn), None)
+
+ def locate_by_type_pointer (self, type, pointer):
+ return self.records_by_type_pointer.get ( (type, pointer), None)
+
+ # a convenience/helper function to see if a record is already known
+ # a former, broken, attempt (in 2.1-9) had been made
+ # to try and use 'pointer' as a first, most significant attempt
+ # the idea being to preserve stuff as much as possible, and thus
+ # to avoid creating a new gid in the case of a simple hrn rename
+ # however this of course doesn't work as the gid depends on the hrn...
+ #def locate (self, type, hrn=None, pointer=-1):
+ # if pointer!=-1:
+ # attempt = self.locate_by_type_pointer (type, pointer)
+ # if attempt : return attempt
+ # if hrn is not None:
+ # attempt = self.locate_by_type_hrn (type, hrn,)
+ # if attempt : return attempt
+ # return None
+
+ # this makes the run method a bit abtruse - out of the way
+
+ def run (self, options):
+ config = Config ()
+ interface_hrn = config.SFA_INTERFACE_HRN
+ root_auth = config.SFA_REGISTRY_ROOT_AUTH
+ shell = DummyShell (config)
+
+ ######## retrieve all existing SFA objects
+ all_records = dbsession.query(RegRecord).all()
+
+ # create hash by (type,hrn)
+ # we essentially use this 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 ( [ ( (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
+
+ ######## retrieve Dummy TB data
+ # Get all plc sites
+ # retrieve only required stuf
+ sites = [shell.GetTestbedInfo()]
+ # create a hash of sites by login_base
+# sites_by_login_base = dict ( [ ( site['login_base'], site ) for site in sites ] )
+ # Get all dummy TB users
+ users = shell.GetUsers()
+ # create a hash of users by user_id
+ users_by_id = dict ( [ ( user['user_id'], user) for user in users ] )
+ # Get all dummy TB public keys
+ keys = []
+ for user in users:
+ if 'keys' in user:
+ keys.extend(user['keys'])
+ # create a dict user_id -> [ keys ]
+ keys_by_person_id = {}
+ for user in users:
+ if 'keys' in user:
+ keys_by_person_id[user['user_id']] = user['keys']
+ # Get all dummy TB nodes
+ nodes = shell.GetNodes()
+ # create hash by node_id
+ nodes_by_id = dict ( [ ( node['node_id'], node, ) for node in nodes ] )
+ # Get all dummy TB slices
+ slices = shell.GetSlices()
+ # create hash by slice_id
+ slices_by_id = dict ( [ (slice['slice_id'], slice ) for slice in slices ] )
+
+
+ # start importing
+ for site in sites:
+ site_hrn = _get_site_hrn(interface_hrn, site)
+ # import if hrn is not in list of existing hrns or if the hrn exists
+ # but its not a site record
+ site_record=self.locate_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("DummyImporter: imported authority (site) : %s" % site_record)
+ self.remember_record (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("DummyImporter: failed to import site. Skipping child records")
+ continue
+ else:
+ # xxx update the record ...
+ pass
+ site_record.stale=False
+
+ # import node records
+ for node in nodes:
+ site_auth = get_authority(site_hrn)
+ site_name = site['name']
+ node_hrn = hostname_to_hrn(site_auth, site_name, node['hostname'])
+ # xxx this sounds suspicious
+ if len(node_hrn) > 64: node_hrn = node_hrn[:64]
+ node_record = self.locate_by_type_hrn ( 'node', node_hrn )
+ if not node_record:
+ try:
+ pkey = Keypair(create=True)
+ urn = hrn_to_urn(node_hrn, 'node')
+ node_gid = self.auth_hierarchy.create_gid(urn, create_uuid(), pkey)
+ node_record = RegNode (hrn=node_hrn, gid=node_gid,
+ pointer =node['node_id'],
+ authority=get_authority(node_hrn))
+ node_record.just_created()
+ dbsession.add(node_record)
+ dbsession.commit()
+ self.logger.info("DummyImporter: imported node: %s" % node_record)
+ self.remember_record (node_record)
+ except:
+ self.logger.log_exc("DummyImporter: failed to import node")
+ else:
+ # xxx update the record ...
+ pass
+ node_record.stale=False
+
+ site_pis=[]
+ # import users
+ for user in users:
+ user_hrn = email_to_hrn(site_hrn, user['email'])
+ # xxx suspicious again
+ if len(user_hrn) > 64: user_hrn = user_hrn[:64]
+ user_urn = hrn_to_urn(user_hrn, 'user')
+
+ user_record = self.locate_by_type_hrn ( 'user', user_hrn)
+
+ # return a tuple pubkey (a dummy TB key object) and pkey (a Keypair object)
+
+ def init_user_key (user):
+ pubkey = None
+ pkey = None
+ if user['keys']:
+ # randomly pick first key in set
+ for key in user['keys']:
+ pubkey = key
+ try:
+ pkey = convert_public_key(pubkey)
+ break
+ except:
+ continue
+ if not pkey:
+ self.logger.warn('DummyImporter: unable to convert public key for %s' % user_hrn)
+ pkey = Keypair(create=True)
+ else:
+ # the user has no keys. Creating a random keypair for the user's gid
+ self.logger.warn("DummyImporter: user %s does not have a NITOS public key"%user_hrn)
+ pkey = Keypair(create=True)
+ return (pubkey, pkey)
+
+ # new user
+ try:
+ if not user_record:
+ (pubkey,pkey) = init_user_key (user)
+ user_gid = self.auth_hierarchy.create_gid(user_urn, create_uuid(), pkey)
+ user_gid.set_email(user['email'])
+ user_record = RegUser (hrn=user_hrn, gid=user_gid,
+ pointer=user['user_id'],
+ authority=get_authority(user_hrn),
+ email=user['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("DummyImporter: imported person: %s" % user_record)
+ self.remember_record ( 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: return True
+ return False
+ # is there a new key in Dummy TB ?
+ new_keys=False
+ for key in user['keys']:
+ if not key_in_list (key,sfa_keys):
+ new_keys = True
+ if new_keys:
+ (pubkey,pkey) = init_user_key (user)
+ user_gid = self.auth_hierarchy.create_gid(user_urn, create_uuid(), pkey)
+ if not pubkey:
+ user_record.reg_keys=[]
+ else:
+ user_record.reg_keys=[ RegKey (pubkey)]
+ self.logger.info("DummyImporter: updated person: %s" % user_record)
+ user_record.email = user['email']
+ dbsession.commit()
+ user_record.stale=False
+ except:
+ self.logger.log_exc("DummyImporter: failed to import user %d %s"%(user['user_id'],user['email']))
+
+
+ # import slices
+ for slice in slices:
+ slice_hrn = slicename_to_hrn(site_hrn, slice['slice_name'])
+ slice_record = self.locate_by_type_hrn ('slice', slice_hrn)
+ 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=slice['slice_id'],
+ authority=get_authority(slice_hrn))
+ slice_record.just_created()
+ dbsession.add(slice_record)
+ dbsession.commit()
+ self.logger.info("DummyImporter: imported slice: %s" % slice_record)
+ self.remember_record ( slice_record )
+ except:
+ self.logger.log_exc("DummyImporter: 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['user_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("DummyImporter: deleting stale record: %s" % record)
+ dbsession.delete(record)
+ dbsession.commit()
git://git.onelab.eu / sfa.git / commitdiff