from sfa.util.faults import *
from sfa.util.method import Method
from sfa.util.parameter import Parameter, Mixed
-from sfa.trust.auth import Auth
-from sfa.util.record import GeniRecord
from sfa.util.debug import log
-from sfa.server.registry import Registries
-from sfa.util.prefixTree import prefixTree
+from sfa.trust.credential import Credential
+from sfa.util.record import SfaRecord
class resolve(Method):
"""
accepts = [
Parameter(str, "Credential string"),
- Parameter(str, "Human readable name (hrn)")
+ Mixed(Parameter(str, "Human readable name (hrn)"),
+ Parameter(list, "List of Human readable names ([hrn])"))
]
- returns = [GeniRecord]
+ returns = [SfaRecord]
- def call(self, cred, hrn):
-
+ def call(self, cred, hrn, origin_hrn=None):
+ user_cred = Credential(string=cred)
+
+ #log the call
+ if not origin_hrn:
+ origin_hrn = user_cred.get_gid_caller().get_hrn()
+ self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
+
+ # validate the cred
self.api.auth.check(cred, 'resolve')
- good_records = []
+ # send the call to the right manager
+ manager_base = 'sfa.managers'
+ mgr_type = self.api.config.SFA_REGISTRY_TYPE
+ manager_module = manager_base + ".registry_manager_%s" % mgr_type
+ manager = __import__(manager_module, fromlist=[manager_base])
+ return manager.resolve(self.api, hrn, origin_hrn=origin_hrn)
- # load all know registry names into a prefix tree and attempt to find
- # the longest matching prefix
- registries = Registries(self.api)
- hrns = registries.keys()
- tree = prefixTree()
- tree.load(hrns)
- registry_hrn = tree.best_match(hrn)
- #if there was no match then this record belongs to an unknow registry
- if not registry_hrn:
- raise MissingAuthority(hrn)
-
- # if the best match (longest matching hrn) is not the local registry,
- # forward the request
- if registry_hrn != self.api.hrn:
- credential = self.api.getCredential()
- try:
- records = registries[registry_hrn].resolve(credential, hrn)
- good_records = [record.as_dict() for record in records]
- if good_records:
- return good_records
- except:
- traceback.print_exc()
-
- # if we still havnt found the record yet, try the local registry
- auth_hrn = self.api.auth.get_authority(hrn)
- if not auth_hrn:
- auth_hrn = hrn
- table = self.api.auth.get_auth_table(auth_hrn)
- records = table.resolve('*', hrn)
- if not records:
- raise RecordNotFound(hrn)
- for record in records:
- try:
- self.api.fill_record_info(record)
- good_records.append(dict(record))
- except PlanetLabRecordDoesNotExist:
- # silently drop the ones that are missing in PL
- print >> log, "ignoring geni record ", record.get_name(), \
- " because pl record does not exist"
- table.remove(record)
-
-
- return good_records