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