### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/server/interface.py $
#
-
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.record import SfaRecord
+import traceback
import sfa.util.xmlrpcprotocol as xmlrpcprotocol
import sfa.util.soapprotocol as soapprotocol
-
+
# GeniLight client support is optional
try:
from egeni.geniLight_client import *
# defined by the class
default_dict = {}
- # allowed types
- types = ['sa', 'ma']
+ types = ['authority']
- def __init__(self, api, conf_file, type):
+ 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, {})
# load config file
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]
- # get connections
- self.update(self.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:
+ hrn, address, port = interface['hrn'], interface['addr'], interface['port']
+ url = 'http://%(address)s:%(port)s' % locals()
+ 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 sync_interfaces(self):
"""
# 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 = [interface['hrn'] for interface in self.interfaces]
+ hrns_expected = self.interfaces.keys()
new_hrns = set(hrns_expected).difference(hrns_current)
- self.get_peer_gids(new_hrns)
-
- # update the local db records for these registries
- self.update_db_records(self.type)
+ gids = self.get_peer_gids(new_hrns) + gids_current
+ # make sure there is a record for every gid
+ 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
+ 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 = self.get_connections(self.interfaces[new_hrn])[new_hrn]
+ interface_info = self.interfaces[new_hrn]
+ interface = self[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:
+ # 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)
+ # 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):
+ 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.
"""
- # get hrns we expect to find
- hrns_expected = [interface['hrn'] for interface in self.interfaces]
+ if not gids:
+ return
+
+ # hrns that should have a record
+ hrns_expected = [gid.get_hrn() for gid in gids]
# get hrns that actually exist in the db
table = SfaTable()
- records = table.find({'type': type})
+ 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:
+ if record['hrn'] not in hrns_expected and \
+ record['hrn'] != self.api.config.SFA_INTERFACE_HRN:
table.remove(record)
# add new records
- for hrn in hrns_expected:
+ 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, interfaces):
+ 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, list):
- interfaces = [interfaces]
- for interface in interfaces:
+ for interface in self.interfaces.values():
# 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()
+
+ url = interface['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