-class Aggregates(dict):
-
- default_fields = {
- 'hrn': '',
- 'addr': '',
- 'port': '',
- }
-
- def __init__(self, api, file = "/etc/sfa/aggregates.xml"):
- dict.__init__(self, {})
- self.api = api
-
- # create default connection dict
- aggregates_dict = {'aggregates': {'aggregate': [default_fields]}}
-
- # load config file
- self.aggregate_info = XmlStorage(file, aggregates_dict)
- self.aggregate_info.load()
- self.interfaces = self.registry_info['aggregates']['aggregate']
- if not isinstance(self.interfaces, list):
- self.interfaces = [self.interfaces]
-
- # Attempt to get any missing peer gids
- # There should be a gid file in /etc/sfa/trusted_roots for every
- # peer registry found in in the aggregates.xml config file. If there
- # are any missing gids, request a new one from the peer registry.
- gids_current = self.api.auth.trusted_cert_list.get_list()
- hrns_current = [gid.get_hrn() for gid in gids_found]
- hrns_expected = [interface['hrn'] for interfaces in self.interfaces]
- new_hrns = set(hrns_current).difference(hrns_expected)
-
- self.get_peer_gids(new_hrns)
- self.connectAggregates()
-
- def connectAggregates(self):
- """
- Get connection details for the trusted peer aggregates from file and
- create an connection to each.
- """
- aggregates = self.aggregate_info['aggregates']['aggregate']
- if isinstance(aggregates, dict):
- aggregates = [aggregates]
- if isinstance(aggregates, list):
- for aggregate in aggregates:
- # make sure the required fields are present
- if not set(self.required_fields).issubset(aggregate.keys()):
- continue
- hrn, address, port = aggregate['hrn'], aggregate['addr'], aggregate['port']
- if not hrn or not address or not port:
- continue
- self.interfaces.append(aggregate)
- # check which client we should use
- # sfa.util.xmlrpcprotocol is default
- client_type = 'xmlrpcprotocol'
- if aggregate.has_key('client') and aggregate['client'] in ['geniclientlight']:
- client_type = 'geniclientlight'
-
- # create url
- url = 'http://%(address)s:%(port)s' % locals()
-
- # create the client connection
- # make sure module exists before trying to instantiate it
- if client_type in ['geniclientlight'] and GeniClientLight:
- self[hrn] = GeniClientLight(url, self.api.key_file, self.api.cert_file)
- else:
- self[hrn] = xmlrpcprotocol.get_server(url, self.api.key_file, self.api.cert_file)