-import os.path
+import os, os.path
import datetime
-from sfa.util.faults import SfaAPIError
+from sfa.util.faults import SfaFault, SfaAPIError
+from sfa.util.genicode import GENICODE
from sfa.util.config import Config
from sfa.util.cache import Cache
from sfa.trust.auth import Auth
+
from sfa.trust.certificate import Keypair, Certificate
from sfa.trust.credential import Credential
from sfa.trust.rights import determine_rights
-# this is wrong all right, but temporary, will use generic
from sfa.server.xmlrpcapi import XmlrpcApi
-import os
-import datetime
+
+from sfa.client.return_value import ReturnValue
+
####################
class SfaApi (XmlrpcApi):
"""
An SfaApi instance is a basic xmlrcp service
augmented with the local cryptographic material and hrn
- It also has the notion of neighbour sfa services
- as defined in /etc/sfa/{aggregates,registries}.xml
+
+ It also has the notion of its own interface (a string describing
+ whether we run a registry, aggregate or slicemgr) and has
+ the notion of neighbour sfa services as defined
+ in /etc/sfa/{aggregates,registries}.xml
+
Finally it contains a cache instance
+
It gets augmented by the generic layer with
(*) an instance of manager (actually a manager module for now)
(*) which in turn holds an instance of a testbed driver
+ For convenience api.manager.driver == api.driver
"""
def __init__ (self, encoding="utf-8", methods='sfa.methods',
# filled later on by generic/Generic
self.manager=None
- # tmp
- def get_interface_manager(self, manager_base = 'sfa.managers'):
- return self.manager
-
- def get_server(self, interface, cred, timeout=30):
+ def server_proxy(self, interface, cred, timeout=30):
"""
Returns a connection to the specified interface. Use the specified
credential to determine the caller and look for the caller's key/cert
auth_info = hierarchy.get_auth_info(caller_gid.get_hrn())
key_file = auth_info.get_privkey_filename()
cert_file = auth_info.get_gid_filename()
- server = interface.get_server(key_file, cert_file, timeout)
+ server = interface.server_proxy(key_file, cert_file, timeout)
return server
- def getCredential(self):
+ def getCredential(self, minimumExpiration=0):
"""
- Return a valid credential for this interface.
+ Return a valid credential for this interface.
"""
type = 'authority'
path = self.config.SFA_DATA_DIR
cred = Credential(filename = cred_filename)
# make sure cred isnt expired
if not cred.get_expiration or \
- datetime.datetime.utcnow() < cred.get_expiration():
+ datetime.datetime.utcnow() + datetime.timedelta(seconds=minimumExpiration) < cred.get_expiration():
return cred.save_to_string(save_parents=True)
# get a new credential
"""
from sfa.server.registry import Registries
registries = Registries()
- registry = registries.get_server(self.hrn, self.key_file, self.cert_file)
+ registry = registries.server_proxy(self.hrn, self.key_file, self.cert_file)
cert_string=self.cert.save_to_string(save_parents=True)
# get self credential
self_cred = registry.GetSelfCredential(cert_string, self.hrn, 'authority')
if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
auth_hrn = hrn
auth_info = self.auth.get_auth_info(auth_hrn)
- table = self.SfaTable()
- records = table.findObjects({'hrn': hrn, 'type': 'authority+sa'})
- if not records:
- raise RecordNotFound
- record = records[0]
- type = record['type']
+ from sfa.storage.alchemy import dbsession
+ from sfa.storage.persistentobjs import RegRecord
+ record = dbsession.query(RegRecord).filter_by(type='authority+sa', hrn=hrn).first()
+ if not record:
+ raise RecordNotFound(hrn)
+ type = record.type
object_gid = record.get_gid_object()
new_cred = Credential(subject = object_gid.get_subject())
new_cred.set_gid_caller(object_gid)
if self.cache:
server_version = self.cache.get(cache_key)
if not server_version:
- server_version = server.GetVersion()
+ result = server.GetVersion()
+ server_version = ReturnValue.get_value(result)
# cache version for 24 hours
self.cache.add(cache_key, server_version, ttl= 60*60*24)
return server_version
+
+
+ def get_geni_code(self, result):
+ code = {
+ 'geni_code': GENICODE.SUCCESS,
+ 'am_type': 'sfa',
+ 'am_code': None,
+ }
+ if isinstance(result, SfaFault):
+ code['geni_code'] = result.faultCode
+ code['am_code'] = result.faultCode
+
+ return code
+
+ def get_geni_value(self, result):
+ value = result
+ if isinstance(result, SfaFault):
+ value = ""
+ return value
+
+ def get_geni_output(self, result):
+ output = ""
+ if isinstance(result, SfaFault):
+ output = result.faultString
+ return output
+
+ def prepare_response_v2_am(self, result):
+ response = {
+ 'geni_api': 2,
+ 'code': self.get_geni_code(result),
+ 'value': self.get_geni_value(result),
+ 'output': self.get_geni_output(result),
+ }
+ return response
+
+ def prepare_response(self, result, method=""):
+ """
+ Converts the specified result into a standard GENI compliant
+ response
+ """
+ # as of dec 13 2011 we only support API v2
+ if self.interface.lower() in ['aggregate', 'slicemgr']:
+ result = self.prepare_response_v2_am(result)
+ return XmlrpcApi.prepare_response(self, result, method)
+