1 from sfa.util.faults import *
2 from sfa.util.storage import XmlStorage
3 import sfa.util.xmlrpcprotocol as xmlrpcprotocol
5 # GeniLight client support is optional
7 from egeni.geniLight_client import *
13 Interface to another SFA service, typically a peer, or the local aggregate
14 can retrieve a xmlrpclib.ServerProxy object for issuing calls there
16 def __init__(self, hrn, addr, port, client_type='sfa'):
20 self.client_type = client_type
23 address_parts = self.addr.split('/')
24 address_parts[0] = address_parts[0] + ":" + str(self.port)
25 url = "http://%s" % "/".join(address_parts)
28 def get_server(self, key_file, cert_file, timeout=30):
30 if self.client_type == 'geniclientlight' and GeniClientLight:
31 server = GeniClientLight(url, self.api.key_file, self.api.cert_file)
33 server = xmlrpcprotocol.get_server(self.get_url(), key_file, cert_file, timeout)
37 # In is a dictionary of registry connections keyed on the registry
40 class Interfaces(dict):
42 Interfaces is a base class for managing information on the
43 peers we are federated with. Provides connections (xmlrpc or soap) to federated peers
46 # fields that must be specified in the config file
53 # defined by the class
56 def __init__(self, conf_file):
57 dict.__init__(self, {})
59 self.interface_info = XmlStorage(conf_file, self.default_dict)
60 self.interface_info.load()
61 records = self.interface_info.values()[0]
62 if not isinstance(records, list):
65 required_fields = self.default_fields.keys()
66 for record in records:
67 if not record or not set(required_fields).issubset(record.keys()):
69 # port is appended onto the domain, before the path. Should look like:
70 # http://domain:port/path
71 hrn, address, port = record['hrn'], record['addr'], record['port']
72 interface = Interface(hrn, address, port)
75 def get_server(self, hrn, key_file, cert_file, timeout=30):
76 return self[hrn].get_server(key_file, cert_file, timeout)