-#
-### $Id: interface.py 17583 2010-04-06 15:01:08Z tmack $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/server/interface.py $
-#
-
+import traceback
+import os.path
from sfa.util.faults import *
-from sfa.util.storage import *
-from sfa.trust.gid import GID
-from sfa.util.table import SfaTable
+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
+
# GeniLight client support is optional
try:
from egeni.geniLight_client import *
1) Makes sure a record exist in the local registry for the each
fedeated peer
- 2) Attepts to fetch and install trusted gids
+ 2) Attempts to fetch and install trusted gids
3) Provides connections (xmlrpc or soap) to federated peers
"""
# defined by the class
default_dict = {}
- # allowed types
- types = ['sa', 'ma']
+ types = ['authority']
- def __init__(self, api, conf_file, type):
- if type not in self.allowed_types:
+ 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))
dict.__init__(self, {})
self.api = api
-
+ self.type = type
# load config file
- self.interface_info = XmlStorage(conf_file, default_dict)
+ self.interface_info = XmlStorage(conf_file, self.default_dict)
self.interface_info.load()
- self.interfaces = self.interface_info.values()[0].values()[0]
- 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 registries.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)
-
- # update the local db records for these registries
- self.update_db_records(type)
-
- # create connections to the registries
- self.update(self.get_connections(interfaces))
-
- def get_peer_gids(self, new_hrns):
- """
- Install trusted gids from the specified interfaces.
- """
- if not new_hrns:
- return
- trusted_certs_dir = self.api.config.get_trustedroots_dir()
- for new_hrn in new_hrns:
- try:
- # get gid from the registry
- interface = self.get_connections(self.interfaces[new_hrn])[new_hrn]
- trusted_gids = interface.get_trusted_certs()
- # default message
- message = "interface: %s\tunable to install trusted gid for %s" % \
- (self.api.interface, new_hrn)
- if trusted_gids:
- # the gid we want shoudl be the first one in the list,
- # but lets make sure
- for trusted_gid in trusted_gids:
- gid = GID(string=trusted_gids[0])
- if gid.get_hrn() == new_hrn:
- gid_filename = os.path.join(trusted_certs_dir, '%s.gid' % new_hrn)
- gid.save_to_file(gid_filename, save_parents=True)
- message = "interface: %s\tinstalled trusted gid for %s" % \
- (self.api.interface, new_hrn)
- # log the message
- self.api.logger.info(message)
- except:
- message = "interface: %s\tunable to install trusted gid for %s" % \
- (self.api.interface, new_hrn)
- self.api.logger.info(message)
-
- # reload the trusted certs list
- self.api.auth.load_trusted_certs()
-
- def update_db_records(self, type):
- """
- Make sure there is a record in the local db for allowed registries
- defined in the config file (registries.xml). Removes old records from
- the db.
- """
- # get hrns we expect to find
- hrns_expected = self.interfaces.keys()
-
- # get hrns that actually exist in the db
- table = SfaTable()
- records = table.find({'type': type})
- hrns_found = [record['hrn'] for record in records]
-
- # remove old records
- for record in records:
- if record['hrn'] not in hrns_expected:
- table.remove(record)
-
- # add new records
- for hrn in hrns_expected:
- if hrn not in hrns_found:
- record = {
- 'hrn': hrn,
- 'type': type,
- }
- table.insert(record)
-
-
- def get_connections(self, interfaces):
+ 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()
- if not isinstance(interfaces, []):
- interfaces = [interfaces]
- for interface in interfaces:
- # make sure the required fields are present and not null
- for key in required_fields:
- if not interface.get(key):
- continue
- hrn, address, port = interface['hrn'], interface['addr'], interface['port']
- url = 'http://%(address)s:%(port)s' % locals()
+ 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'
client_type = 'geniclientlight'
connections[hrn] = GeniClientLight(url, self.api.key_file, self.api.cert_file)
else:
- connections[hrn] = xmlrpcprotocol.get_server(url, self.api.key_file, self.api.cert_file)
+ connections[interface['hrn']] = xmlrpcprotocol.get_server(url, self.api.key_file, self.api.cert_file)
return connections
git://git.onelab.eu / sfa.git / blobdiff