geni/methods/register.py

   1 from geni.util.faults import *
   2 from geni.util.excep import *
   3 from geni.util.method import Method
   4 from geni.util.parameter import Parameter, Mixed
   5 from geni.util.auth import Auth
   6 from geni.util.record import GeniRecord
   7 from geni.util.cert import Keypair, convert_public_key
   8 from geni.util.gid import *
   9 from geni.util.debug import log
  10 from geni.util.misc import *
  11
  12 class register(Method):
  13     """
  14     Register an object with the registry. In addition to being stored in the
  15     Geni database, the appropriate records will also be created in the
  16     PLC databases
  17
  18     @param cred credential string
  19     @param record_dict dictionary containing record fields
  20
  21     @return gid string representation
  22     """
  23
  24     interfaces = ['registry']
  25
  26     accepts = [
  27         Parameter(str, "Credential string"),
  28         Parameter(dict, "Record dictionary containing record fields")
  29         ]
  30
  31     returns = Parameter(int, "String representation of gid object")
  32
  33     def call(self, cred, record_dict):
  34         self.api.auth.check(cred, "register")
  35         record = GeniRecord(dict = record_dict)
  36         type = record.get_type()
  37         name = record.get_name()
  38         self.api.auth.verify_object_permission(name)
  39         auth_name = self.api.auth.get_authority(name)
  40         auth_info = self.api.auth.get_auth_info(auth_name)
  41         table = self.api.auth.get_auth_table(auth_name)
  42
  43         # make sure record has a gid
  44         if 'gid' not in record:
  45             uuid = create_uuid()
  46             pkey = Keypair()
  47             if 'keys' in record and record['keys']:
  48                 pkey = convert_public_key(record['keys'][0])
  49
  50             gid_object = self.api.auth.hierarchy.create_gid(name, uuid, pkey)
  51             gid = gid_object.save_to_string(save_parents=True)
  52             record['gid'] = gid
  53             record.set_gid(gid)
  54
  55         # check if record already exists
  56         existing_records = table.resolve(type, name)
  57         if existing_records:
  58             raise ExistingRecord(name)
  59
  60         if (type == "sa") or (type=="ma"):
  61             # update the tree
  62             if not self.api.auth.hierarchy.auth_exists(name):
  63                 self.api.auth.hierarchy.create_auth(name)
  64
  65             # authorities are special since they are managed by the registry
  66             # rather than by the caller. We create our own GID for the
  67             # authority rather than relying on the caller to supply one.
  68
  69             # get the GID from the newly created authority
  70             child_auth_info = self.api.auth.get_auth_info(name)
  71             gid = auth_info.get_gid_object()
  72             record.set_gid(gid.save_to_string(save_parents=True))
  73
  74             # if registering a sa, see if a ma already exists
  75             # if registering a ma, see if a sa already exists
  76             if (type == "sa"):
  77                 other_rec = table.resolve("ma", record.get_name())
  78             elif (type == "ma"):
  79                 other_rec = table.resolve("sa", record.get_name())
  80
  81             if other_rec:
  82                 print >> log, "linking ma and sa to the same plc site"
  83                 pointer = other_rec[0].get_pointer()
  84             else:
  85                 pl_record = self.api.geni_fields_to_pl_fields(type, name, record)
  86                 print >> log, "adding site with fields", pl_record
  87                 pointer = self.api.plshell.AddSite(self.api.plauth, pl_record)
  88
  89             record.set_pointer(pointer)
  90
  91         elif (type == "slice"):
  92             pl_record = self.api.geni_fields_to_pl_fields(type, name, record)
  93             pointer = self.api.plshell.AddSlice(self.api.plauth, pl_record)
  94             record.set_pointer(pointer)
  95
  96         elif (type == "user"):
  97             pointer = self.api.plshell.AddPerson(self.api.plauth, dict(record))
  98             if 'enabled' in record and record['enabled']:
  99                 self.api.plshell.UpdatePerson(self.api.plauth, pointer, {'enabled': record['enabled']})
 100             login_base = get_leaf(auth_info.hrn)
 101             self.api.plshell.AddPersonToSite(self.api.plauth, pointer, login_base)
 102             # What roles should this user have?
 103             self.api.plshell.AddRoleToPerson(self.api.plauth, 'user', pointer)
 104             record.set_pointer(pointer)
 105
 106             # Add the user's key
 107             if record['keys']:
 108                 self.api.plshell.AddPersonKey(self.api.plauth, pointer, {'key_type' : 'ssh', 'key' : record['keys'][0]})
 109
 110         elif (type == "node"):
 111             pl_record = self.api.geni_fields_to_pl_fields(type, name, record)
 112             login_base = hrn_to_pl_login_base(auth_name)
 113             pointer = self.api.plshell.AddNode(self.api.plauth, login_base, pl_record)
 114             record.set_pointer(pointer)
 115
 116         else:
 117             raise UnknownGeniType(type)
 118
 119         table.insert(record)
 120
 121         # update membership for researchers, pis, owners, operators
 122         self.api.update_membership(None, record)
 123
 124         return record.get_gid_object().save_to_string(save_parents=True)