-#
-### $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.util.namespace 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 traceback
import sfa.util.xmlrpcprotocol as xmlrpcprotocol
import sfa.util.soapprotocol as soapprotocol
-
+from sfa.trust.gid import GID
# GeniLight client support is optional
try:
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
"""
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:
self.interfaces[interface['hrn']] = interface
- def sync_interfaces(self):
- """
- Install missing trusted gids and db records for our federated
- 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
- hrns_current = [gid.get_hrn() for gid in gids_current]
- hrns_expected = self.interfaces.keys()
- new_hrns = set(hrns_expected).difference(hrns_current)
- gids = self.get_peer_gids(new_hrns)
- # update the local db records for these registries
- self.update_db_records(self.type, gids)
-
- def get_peer_gids(self, new_hrns):
- """
- Install trusted gids from the specified interfaces.
- """
- peer_gids = []
- if not new_hrns:
- return peer_gids
- trusted_certs_dir = self.api.config.get_trustedroots_dir()
- for new_hrn in new_hrns:
- if not new_hrn:
- continue
- # the gid for this interface should already be installed
- if new_hrn == self.api.config.SFA_INTERFACE_HRN:
- continue
- try:
- # get gid from the registry
- interface_info = self.interfaces[new_hrn]
- interface = self[new_hrn]
- trusted_gids = interface.get_trusted_certs()
- 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:
- # default message
- message = "interface: %s\t" % (self.api.interface)
- message += "unable to install trusted gid for %s" % \
- (new_hrn)
- gid = GID(string=trusted_gids[0])
- peer_gids.append(gid)
- 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)
- traceback.print_exc()
-
- # reload the trusted certs list
- self.api.auth.load_trusted_certs()
- return peer_gids
-
- def update_db_records(self, type, gids):
- """
- 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.
- """
- if not gids:
- return
- # get hrns we expect to find
- # ignore records for local interfaces
- ignore_interfaces = [self.api.config.SFA_INTERFACE_HRN]
- hrns_expected = [gid.get_hrn() for gid in gids \
- if gid.get_hrn() not in ignore_interfaces]
-
- # get hrns that actually exist in the db
- table = SfaTable()
- records = table.find({'type': type, 'pointer': -1})
- 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 gid in gids:
- hrn = gid.get_hrn()
- if hrn not in hrns_found:
- record = {
- 'hrn': hrn,
- 'type': type,
- 'pointer': -1,
- 'authority': get_authority(hrn),
- 'gid': gid.save_to_string(save_parents=True),
- }
- record = SfaRecord(dict=record)
- table.insert(record)
-
def get_connections(self):
"""
read connection details for the trusted peer registries from file return
connections = {}
required_fields = self.default_fields.keys()
for interface in self.interfaces.values():
- # make sure the required fields are present and not null
- if not all([interface.get(key) for key in required_fields]):
- continue
-
- hrn, address, port = interface['hrn'], interface['addr'], interface['port']
- url = 'http://%(address)s:%(port)s' % locals()
-
+ 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