#
# Thierry Parmentelat - INRIA
#
+# $Id: RefreshPeer.py,v 1.23 2007/03/23 19:05:16 thierry Exp $
import time
from PLC.SliceInstantiations import SliceInstantiations
from PLC.Slices import Slice, Slices
+verbose=False
+
class RefreshPeer(Method):
"""
- Fetches node and slice data from the specified peer and caches it
- locally; also deletes stale entries. Returns 1 if successful,
- faults otherwise.
+ Fetches site, node, slice, person and key data from the specified peer
+ and caches it locally; also deletes stale entries.
+ Upon successful completion, returns a dict reporting various timers.
+ Faults otherwise.
"""
roles = ['admin']
# Get peer data
start = time.time()
+ print >>log, 'Issuing GetPeerData'
peer_tables = peer.GetPeerData()
timers['transport'] = time.time() - start - peer_tables['db_time']
timers['peer_db'] = peer_tables['db_time']
+ if verbose:
+ print >>log, 'GetPeerData returned -> db=%d transport=%d'%(timers['peer_db'],timers['transport'])
def sync(objects, peer_objects, classobj):
"""
keyed on their foreign identifiers.
"""
+ if verbose:
+ print >>log, 'Entering sync on',classobj(self.api).__class__.__name__
+
synced = {}
# Delete stale objects
for peer_object_id, object in objects.iteritems():
if peer_object_id not in peer_objects:
object.delete(commit = False)
- print classobj, "object %d deleted" % object[object.primary_key]
+ print >> log, peer['peername'],classobj(self.api).__class__.__name__, object[object.primary_key],"deleted"
# Add/update new/existing objects
for peer_object_id, peer_object in peer_objects.iteritems():
if dbg:
print >> log, peer['peername'], classobj(self.api).__class__.__name__, object[object.primary_key], dbg
+ if verbose:
+ print >>log, 'Exiting sync on',classobj(self.api).__class__.__name__
+
return synced
#
start = time.time()
+ print >>log, 'Dealing with Sites'
+
# Compare only the columns returned by the GetPeerData() call
if peer_tables['Sites']:
columns = peer_tables['Sites'][0].keys()
# XXX Synchronize foreign key types
#
+ print >>log, 'Dealing with Keys'
+
key_types = KeyTypes(self.api).dict()
#
start = time.time()
+ print >>log, 'Dealing with Persons'
+
# Compare only the columns returned by the GetPeerData() call
if peer_tables['Persons']:
columns = peer_tables['Persons'][0].keys()
# Keyed on foreign person_id
old_peer_persons = Persons(self.api, {'peer_id': peer_id}, columns).dict('peer_person_id')
+
+ # artificially attach the persons returned by GetPeerData to the new peer
+ # this is because validate_email needs peer_id to be correct when checking for duplicates
+ for person in peer_tables['Persons']:
+ person['peer_id']=peer_id
persons_at_peer = dict([(peer_person['person_id'], peer_person) \
for peer_person in peer_tables['Persons']])
peer_persons = sync(old_peer_persons, persons_at_peer, Person)
# transcoder : retrieve a local key_id from a peer_key_id
- key_transcoder = dict ( [ (key['key_id'],key['peer_key_id']) for key in peer_keys.values()])
+ key_transcoder = dict ( [ (key['key_id'],peer_key_id) \
+ for peer_key_id,key in peer_keys.iteritems()])
for peer_person_id, person in peer_persons.iteritems():
# Bind any newly cached users to peer
peer_person = persons_at_peer[peer_person_id]
# Foreign keys currently belonging to the user
- old_person_key_ids = [key_transcoder[key_id] for key_id in person['key_ids']]
+ old_person_key_ids = [key_transcoder[key_id] for key_id in person['key_ids'] \
+ if key_transcoder[key_id] in peer_keys]
# Foreign keys that should belong to the user
# this is basically peer_person['key_ids'], we just check it makes sense
# (e.g. we might have failed importing it)
- person_key_ids = [ x for x in peer_person['key_ids'] if x in peer_keys]
+ person_key_ids = [ key_id for key_id in peer_person['key_ids'] if key_id in peer_keys]
# Remove stale keys from user
for key_id in (set(old_person_key_ids) - set(person_key_ids)):
start = time.time()
+ print >>log, 'Dealing with Nodes'
+
# Compare only the columns returned by the GetPeerData() call
if peer_tables['Nodes']:
columns = peer_tables['Nodes'][0].keys()
start = time.time()
+ print >>log, 'Dealing with Slices'
+
# Compare only the columns returned by the GetPeerData() call
if peer_tables['Slices']:
columns = peer_tables['Slices'][0].keys()
peer_slices = sync(old_peer_slices, slices_at_peer, Slice)
# transcoder : retrieve a local node_id from a peer_node_id
- node_transcoder = dict ( [ (node['node_id'],node['peer_node_id']) for node in peer_nodes.values()])
- person_transcoder = dict ( [ (person['person_id'],person['peer_person_id']) for person in peer_persons.values()])
+ node_transcoder = dict ( [ (node['node_id'],peer_node_id) \
+ for peer_node_id,node in peer_nodes.iteritems()])
+ person_transcoder = dict ( [ (person['person_id'],peer_person_id) \
+ for peer_person_id,person in peer_persons.iteritems()])
for peer_slice_id, slice in peer_slices.iteritems():
# Bind any newly cached foreign slices to peer
peer_slice = slices_at_peer[peer_slice_id]
# Nodes that are currently part of the slice
- old_slice_node_ids = [ node_transcoder[node_id] for node_id in slice['node_ids']]
+ old_slice_node_ids = [ node_transcoder[node_id] for node_id in slice['node_ids'] \
+ if node_transcoder[node_id] in peer_nodes]
# Nodes that should be part of the slice
- slice_node_ids = [ x for x in peer_slice['node_ids'] if x in peer_nodes]
+ slice_node_ids = [ node_id for node_id in peer_slice['node_ids'] if node_id in peer_nodes]
# Remove stale nodes from slice
for node_id in (set(old_slice_node_ids) - set(slice_node_ids)):
slice.remove_node(peer_nodes[node_id], commit = False)
- print >> log, peer['peername'], 'Node', node_id, 'removed from', slice['name']
+ print >> log, peer['peername'], 'Node', peer_nodes[node_id]['hostname'], 'removed from', slice['name']
# Add new nodes to slice
for node_id in (set(slice_node_ids) - set(old_slice_node_ids)):
slice.add_node(peer_nodes[node_id], commit = False)
- print >> log, peer['peername'], 'Node', node_id, 'added into', slice['name']
+ print >> log, peer['peername'], 'Node', peer_nodes[node_id]['hostname'], 'added into', slice['name']
# N.B.: Local nodes that may have been added to the slice
# by hand, are removed. In other words, don't do this.
# Foreign users that are currently part of the slice
- old_slice_person_ids = [ person_transcoder[person_id] for person_id in slice['person_ids']]
+ #old_slice_person_ids = [ person_transcoder[person_id] for person_id in slice['person_ids'] \
+ # if person_transcoder[person_id] in peer_persons]
+ # An issue occurred with a user who registered on both sites (same email)
+ # So the remote person could not get cached locally
+ # The one-line map/filter style is nicer but ineffective here
+ old_slice_person_ids = []
+ for person_id in slice['person_ids']:
+ if not person_transcoder.has_key(person_id):
+ print >> log, 'WARNING : person_id %d in %s not transcodable (1) - skipped'%(person_id,slice['name'])
+ elif person_transcoder[person_id] not in peer_persons:
+ print >> log, 'WARNING : person_id %d in %s not transcodable (2) - skipped'%(person_id,slice['name'])
+ else:
+ old_slice_person_ids += [person_transcoder[person_id]]
# Foreign users that should be part of the slice
- slice_person_ids = [ x for x in peer_slice['person_ids'] if x in peer_persons ]
+ slice_person_ids = [ person_id for person_id in peer_slice['person_ids'] if person_id in peer_persons ]
# Remove stale users from slice
for person_id in (set(old_slice_person_ids) - set(slice_person_ids)):
slice.remove_person(peer_persons[person_id], commit = False)
- print >> log, peer['peername'], 'User', person_id, 'removed from', slice['name']
+ print >> log, peer['peername'], 'User', peer_persons[person_id]['email'], 'removed from', slice['name']
# Add new users to slice
for person_id in (set(slice_person_ids) - set(old_slice_person_ids)):
slice.add_person(peer_persons[person_id], commit = False)
- print >> log, peer['peername'], 'User', person_id, 'added into', slice['name']
+ print >> log, peer['peername'], 'User', peer_persons[person_id]['email'], 'added into', slice['name']
# N.B.: Local users that may have been added to the slice
# by hand, are not touched.