X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fserver%2Faggregate.py;h=a8f0a0a48146ad7afb0333a24641feaa04099756;hb=HEAD;hp=9295e3f51477dce5fc3e74b32ccd5e59f8690cae;hpb=3d7237fa0b5f2b4a60cb97c7fb3b6aecfd94558a;p=sfa.git diff --git a/sfa/server/aggregate.py b/sfa/server/aggregate.py index 9295e3f5..a8f0a0a4 100644 --- a/sfa/server/aggregate.py +++ b/sfa/server/aggregate.py @@ -1,24 +1,9 @@ -### $Id$ -### $URL$ +from sfa.server.sfaserver import SfaServer +from sfa.util.xrn import hrn_to_urn +from sfa.server.interface import Interfaces, Interface +from sfa.util.config import Config -import os -import sys -import datetime -import time -import xmlrpclib -from types import StringTypes, ListType - -from sfa.util.server import SfaServer -from sfa.util.storage import * -from sfa.util.faults import * -import sfa.util.xmlrpcprotocol as xmlrpcprotocol -import sfa.util.soapprotocol as soapprotocol - -# GeniLight client support is optional -try: - from egeni.geniLight_client import * -except ImportError: - GeniClientLight = None +# this truly is a server-side object class Aggregate(SfaServer): @@ -29,86 +14,27 @@ class Aggregate(SfaServer): # @param ip the ip address to listen on # @param port the port to listen on # @param key_file private key filename of registry - # @param cert_file certificate filename containing public key (could be a GID file) + # @param cert_file certificate filename containing public key (could be a GID file) def __init__(self, ip, port, key_file, cert_file): - SfaServer.__init__(self, ip, port, key_file, cert_file) - self.server.interface = 'aggregate' + SfaServer.__init__(self, ip, port, key_file, cert_file, 'aggregate') -## +# # Aggregates is a dictionary of aggregate connections keyed on the aggregate hrn +# as such it's more of a client-side thing for aggregate servers to reach their peers +# -class Aggregates(dict): - - required_fields = ['hrn', 'addr', 'port'] - - def __init__(self, api, file = "/etc/sfa/aggregates.xml"): - dict.__init__(self, {}) - self.api = api - self.interfaces = [] - # create default connection dict - connection_dict = {} - for field in self.required_fields: - connection_dict[field] = '' - aggregates_dict = {'aggregates': {'aggregate': [connection_dict]}} - # get possible config file locations - loaded = False - path = os.path.dirname(os.path.abspath(__file__)) - filename = file.split(os.sep)[-1] - alt_file = path + os.sep + filename - files = [file, alt_file] - - for f in files: - try: - if os.path.isfile(f): - self.aggregate_info = XmlStorage(f, aggregates_dict) - loaded = True - except: pass - - # if file is missing, just recreate it in the right place - if not loaded: - self.aggregate_info = XmlStorage(file, aggregates_dict) - self.aggregate_info.load() - 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) - # set up a connection to the local registry - address = self.api.config.SFA_AGGREGATE_HOST - port = self.api.config.SFA_AGGREGATE_PORT - url = 'http://%(address)s:%(port)s' % locals() - local_aggregate = {'hrn': self.api.hrn, 'addr': address, 'port': port} - self.interfaces.append(local_aggregate) - self[self.api.hrn] = xmlrpcprotocol.get_server(url, self.api.key_file, self.api.cert_file) +class Aggregates(Interfaces): + default_dict = {'aggregates': {'aggregate': [Interfaces.default_fields]}} + def __init__(self, conf_file="/etc/sfa/aggregates.xml"): + Interfaces.__init__(self, conf_file) + sfa_config = Config() + # set up a connection to the local aggregate + if sfa_config.SFA_AGGREGATE_ENABLED: + addr = sfa_config.SFA_AGGREGATE_HOST + port = sfa_config.SFA_AGGREGATE_PORT + hrn = sfa_config.SFA_INTERFACE_HRN + interface = Interface(hrn, addr, port) + self[hrn] = interface