-import traceback
-import os.path
-
-from sfa.util.faults import *
-from sfa.util.storage import XmlStorage
-from sfa.util.xrn import get_authority, hrn_to_urn
-from sfa.util.record import SfaRecord
-import sfa.util.xmlrpcprotocol as xmlrpcprotocol
-import sfa.util.soapprotocol as soapprotocol
-from sfa.trust.gid import GID
+from sfa.client.sfaserverproxy import SfaServerProxy
+from sfa.util.xml import XML
# GeniLight client support is optional
try:
except ImportError:
GeniClientLight = None
+class Interface:
+ """
+ Interface to another SFA service, typically a peer, or the local aggregate
+ can retrieve a xmlrpclib.ServerProxy object for issuing calls there
+ """
+ def __init__(self, hrn, addr, port, client_type='sfa'):
+ self.hrn = hrn
+ self.addr = addr
+ self.port = port
+ self.client_type = client_type
+
+ def get_url(self):
+ address_parts = self.addr.split('/')
+ address_parts[0] = address_parts[0] + ":" + str(self.port)
+ url = "http://%s" % "/".join(address_parts)
+ return url
+ def server_proxy(self, key_file, cert_file, timeout=30):
+ server = None
+ if self.client_type == 'geniclientlight' and GeniClientLight:
+ # xxx url and self.api are undefined
+ server = GeniClientLight(url, self.api.key_file, self.api.cert_file)
+ else:
+ server = SfaServerProxy(self.get_url(), key_file, cert_file, timeout)
+
+ return server
##
# In is a dictionary of registry connections keyed on the registry
# hrn
class Interfaces(dict):
"""
Interfaces is a base class for managing information on the
- peers we are federated with. It is responsible for the following:
-
- 1) Makes sure a record exist in the local registry for the each
- fedeated peer
- 2) Attempts to fetch and install trusted gids
- 3) Provides connections (xmlrpc or soap) to federated peers
+ peers we are federated with. Provides connections (xmlrpc or soap) to federated peers
"""
# fields that must be specified in the config file
# defined by the class
default_dict = {}
- types = ['authority']
-
- def __init__(self, api, conf_file, type='authority'):
- if type not in self.types:
- raise SfaInfaildArgument('Invalid type %s: must be in %s' % (type, self.types))
+ def __init__(self, conf_file):
dict.__init__(self, {})
- self.api = api
- self.type = type
# load config file
- self.interface_info = XmlStorage(conf_file, self.default_dict)
- self.interface_info.load()
- interfaces = self.interface_info.values()[0].values()[0]
- if not isinstance(interfaces, list):
- interfaces = [self.interfaces]
- # set the url and urn
- for interface in interfaces:
- # port is appended onto the domain, before the path. Should look like:
- # http://domain:port/path
- hrn, address, port = interface['hrn'], interface['addr'], interface['port']
- address_parts = address.split('/')
- address_parts[0] = address_parts[0] + ":" + str(port)
- url = "http://%s" % "/".join(address_parts)
- interface['url'] = url
- interface['urn'] = hrn_to_urn(hrn, 'authority')
-
- self.interfaces = {}
- required_fields = self.default_fields.keys()
- for interface in interfaces:
- valid = True
- # skp any interface definition that has a null hrn,
- # address or port
- for field in required_fields:
- if field not in interface or not interface[field]:
- valid = False
- break
- if valid:
- self.interfaces[interface['hrn']] = interface
-
-
- def get_connections(self):
- """
- read connection details for the trusted peer registries from file return
- a dictionary of connections keyed on interface hrn.
- """
- connections = {}
- required_fields = self.default_fields.keys()
- for interface in self.interfaces.values():
- url = interface['url']
-# sfa_logger().debug("Interfaces.get_connections - looping on neighbour %s"%url)
- # check which client we should use
- # sfa.util.xmlrpcprotocol is default
- client_type = 'xmlrpcprotocol'
- if interface.has_key('client') and \
- interface['client'] in ['geniclientlight'] and \
- GeniClientLight:
- client_type = 'geniclientlight'
- connections[hrn] = GeniClientLight(url, self.api.key_file, self.api.cert_file)
- else:
- connections[interface['hrn']] = xmlrpcprotocol.get_server(url, self.api.key_file, self.api.cert_file)
+ required_fields = set(self.default_fields.keys())
+ self.interface_info = XML(conf_file).todict()
+ for value in self.interface_info.values():
+ if isinstance(value, list):
+ for record in value:
+ if isinstance(record, dict) and \
+ required_fields.issubset(record.keys()):
+ hrn, address, port = record['hrn'], record['addr'], record['port']
+ # sometime this is called at a very early stage with no config loaded
+ # avoid to remember this instance in such a case
+ if not address or not port:
+ continue
+ interface = Interface(hrn, address, port)
+ self[hrn] = interface
- return connections
+ def server_proxy(self, hrn, key_file, cert_file, timeout=30):
+ return self[hrn].server_proxy(key_file, cert_file, timeout)
git://git.onelab.eu / sfa.git / blobdiff