X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=PLC%2FMethods%2FRefreshPeer.py;h=be3fc24bc11999e271903847a2600ca5c7d883ad;hb=475ee53aaaa011ba14a34af34d3340257d6f9d59;hp=dd4e339d4d8675fd669108316dfdf8e81df02e38;hpb=e347fc823bbba9d88a3fddf07d5c21024dfd1e55;p=plcapi.git diff --git a/PLC/Methods/RefreshPeer.py b/PLC/Methods/RefreshPeer.py index dd4e339..be3fc24 100644 --- a/PLC/Methods/RefreshPeer.py +++ b/PLC/Methods/RefreshPeer.py @@ -1,103 +1,792 @@ # # Thierry Parmentelat - INRIA -# - -import xmlrpclib +# +import os +import sys +import fcntl +import time +from PLC.Logger import logger from PLC.Faults import * from PLC.Method import Method from PLC.Parameter import Parameter, Mixed from PLC.Auth import Auth from PLC.Peers import Peer, Peers +from PLC.Sites import Site, Sites from PLC.Persons import Person, Persons -from PLC.ForeignNodes import ForeignNode, ForeignNodes +from PLC.KeyTypes import KeyType, KeyTypes +from PLC.Keys import Key, Keys +from PLC.BootStates import BootState, BootStates +from PLC.Nodes import Node, Nodes +from PLC.SliceInstantiations import SliceInstantiations +from PLC.Slices import Slice, Slices +from PLC.Roles import Role, Roles + +# settings +# initial version was doing only one final commit +# * set commit_mode to False to get that behaviour +# * set comit_mode to True to get everything synced at once +# the issue with the 'one-commit-at-the-end' approach is +# that the db gets basically totally locked during too long +# causing various issues/crashes in the rest of the system +commit_mode = True + +# turn this to False only if both ends have the same db schema +# compatibility mode is a bit slower but probably safer on the long run +compatibility = True + +# debugging +# for verbose output +verbose = False +# set to a filename for using cached data when debugging +# WARNING: does not actually connect to the peer in this case +use_cache = None +# for debugging specific entries - display detailed info on selected objs +focus_type = None # set to e.g. 'Person' +# set to a list of ids (e.g. person_ids) - remote or local ids should work +focus_ids = [] +# example +# use_cache="/var/log/peers/getpeerdata.pickle" +# verbose=True +# focus_type='Person' +# focus_ids=[621,1088] + +# helpers + + +def message(to_print=None, verbose_only=False): + if verbose_only and not verbose: + return + logger.info(to_print) + + +def message_verbose(to_print=None, header='VERBOSE'): + message("%s> %r" % (header, to_print), verbose_only=True) + + +# to avoid several instances running at the same time +class FileLock: + """ + Lock/Unlock file + """ + + def __init__(self, file_path, expire=60 * 60 * 2): + self.expire = expire + self.fpath = file_path + self.fd = None + + def lock(self): + if os.path.exists(self.fpath): + if (time.time() - os.stat(self.fpath).st_ctime) > self.expire: + try: + os.unlink(self.fpath) + except Exception, e: + message('FileLock.lock(%s) : %s' % (self.fpath, e)) + return False + try: + self.fd = open(self.fpath, 'w') + fcntl.flock(self.fd, fcntl.LOCK_EX | fcntl.LOCK_NB) + except IOError, e: + message('FileLock.lock(%s) : %s' % (self.fpath, e)) + return False + return True + + def unlock(self): + try: + fcntl.flock(self.fd, fcntl.LOCK_UN | fcntl.LOCK_NB) + self.fd.close() + except IOError, e: + message('FileLock.unlock(%s) : %s' % (self.fpath, e)) class RefreshPeer(Method): """ - Query a peer PLC for its list of nodes, and refreshes - the local database accordingly - - Returns None + 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'] - - accepts = [ Auth(), - Parameter (int, "Peer id") ] - - returns = None - - def call (self, auth, peer_id): - - ### retrieve peer info - peers = Peers (self.api) - peer = peers[peer_id] - - ### retrieve account info - person_id = peer['person_id'] - persons = Persons (self.api,[person_id]) - person = persons[person_id] - - ### build up foreign auth - auth={ 'Username': person['email'], - 'AuthMethod' : 'password', - 'AuthString' : person['password'], - 'Role' : 'admin' } - - ## connect to the peer's API - apiserver = xmlrpclib.Server (peer['peer_url']+"/PLCAPI/") - print 'auth',auth - current_peer_nodes = apiserver.GetNodes(auth,[]) - - ## manual feed for tests -# n1 = {'hostname': 'n1.plc', 'boot_state': 'inst'} -# n2 = {'hostname': 'n2.plc', 'boot_state': 'inst'} -# n3 = {'hostname': 'n3.plc', 'boot_state': 'inst'} - n11={'session': None, 'slice_ids': [], 'nodegroup_ids': [], 'last_updated': 1162884349, 'version': None, 'nodenetwork_ids': [], 'boot_state': 'inst', 'hostname': 'n11.plc1.org', 'site_id': 1, 'ports': None, 'pcu_ids': [], 'boot_nonce': None, 'node_id': 1, 'root_person_ids': [], 'key': None, 'date_created': 1162884349, 'model': None, 'conf_file_ids': [], 'ssh_rsa_key': None} - n12={'session': None, 'slice_ids': [], 'nodegroup_ids': [], 'last_updated': 1162884349, 'version': None, 'nodenetwork_ids': [], 'boot_state': 'inst', 'hostname': 'n12.plc1.org', 'site_id': 1, 'ports': None, 'pcu_ids': [], 'boot_nonce': None, 'node_id': 1, 'root_person_ids': [], 'key': None, 'date_created': 1162884349, 'model': None, 'conf_file_ids': [], 'ssh_rsa_key': None} - n21={'session': None, 'slice_ids': [], 'nodegroup_ids': [], 'last_updated': 1162884349, 'version': None, 'nodenetwork_ids': [], 'boot_state': 'boot', 'hostname': 'n21.plc2.org', 'site_id': 1, 'ports': None, 'pcu_ids': [], 'boot_nonce': None, 'node_id': 1, 'root_person_ids': [], 'key': None, 'date_created': 1162884349, 'model': None, 'conf_file_ids': [], 'ssh_rsa_key': None} - n22={'session': None, 'slice_ids': [], 'nodegroup_ids': [], 'last_updated': 1162884349, 'version': None, 'nodenetwork_ids': [], 'boot_state': 'boot', 'hostname': 'n22.plc2.org', 'site_id': 1, 'ports': None, 'pcu_ids': [], 'boot_nonce': None, 'node_id': 1, 'root_person_ids': [], 'key': None, 'date_created': 1162884349, 'model': None, 'conf_file_ids': [], 'ssh_rsa_key': None} - -# current_peer_nodes = [n21,n22] - - ### now to the db - # we get the whole table just in case - # a host would have switched from one plc to the other - foreign_nodes = ForeignNodes (self.api) - - ### mark entries for this peer outofdate - for foreign_node in foreign_nodes: - if foreign_node['peer_id'] == peer_id: - foreign_node.uptodate=False - - ### these fields get copied through - remote_fields = ['boot_state','model','version','date_created','date_updated'] - - ### scan the new entries, and mark them uptodate - for node in current_peer_nodes: - hostname = node['hostname'] - foreign_node = foreign_nodes.get(hostname) - if foreign_node: - ### update it anyway - foreign_node['cached'] = True - foreign_node['peer_id'] = peer_id - # copy other relevant fields - for field in remote_fields: - foreign_node[field]=node[field] - # this row is valid - foreign_node.uptodate = True - else: - foreign_nodes[hostname] = ForeignNode(self.api, - {'hostname':hostname, - 'cached':True, - 'peer_id':peer_id,}) - for field in remote_fields: - foreign_nodes[hostname][field]=node[field] - - foreign_nodes[hostname].sync() - - ### delete entries that are not uptodate - [ x.delete() for x in foreign_nodes if not x.uptodate ] - + + accepts = [ + Auth(), + Mixed(Peer.fields['peer_id'], + Peer.fields['peername']), + ] + + returns = Parameter(int, "1 if successful") + + ignore_site_fields = ['peer_id', 'peer_site_id', 'last_updated', 'date_created', + 'address_ids', 'node_ids', 'person_ids', 'pcu_ids', 'slice_ids'] + ignore_key_fields = ['peer_id', 'peer_key_id', 'person_id'] + ignore_person_fields = ['peer_id', 'peer_person_id', 'last_updated', 'date_created', + 'key_ids', 'slice_ids', 'person_tag_ids'] + ignore_node_fields = ['peer_id', 'peer_node_id', 'last_updated', 'last_contact', 'date_created', + 'node_tag_ids', 'interface_ids', 'slice_ids', 'nodegroup_ids', 'pcu_ids', 'ports'] + ignore_slice_fields = ['peer_id', 'peer_slice_id', 'created', + 'person_ids', 'slice_tag_ids', 'node_ids', ] + + def call(self, auth, peer_id_or_peername): + ret_val = None + peername = Peers(self.api, [peer_id_or_peername], [ + 'peername'])[0]['peername'] + file_lock = FileLock("/tmp/refresh-peer-%s.lock" % peername) + if not file_lock.lock(): + raise Exception, "Another instance of RefreshPeer is running." + try: + ret_val = self.real_call(auth, peer_id_or_peername) + except Exception, e: + file_lock.unlock() + message("RefreshPeer caught exception - BEG") + import traceback + traceback.print_exc(file=log) + message("RefreshPeer caught exception - END") + raise Exception, e + file_lock.unlock() + return ret_val + + def real_call(self, auth, peer_id_or_peername): + # Get peer + peers = Peers(self.api, [peer_id_or_peername]) + if not peers: + raise PLCInvalidArgument, "No such peer '%s'" % unicode(peer_id_or_peername) + peer = peers[0] + peer_id = peer['peer_id'] + + # Connect to peer API + peer.connect() + + timers = {} + + # Get peer data + start = time.time() + message('RefreshPeer starting up (commit_mode=%r)' % commit_mode) + if not use_cache: + message('Issuing GetPeerData') + peer_tables = peer.GetPeerData() + else: + import pickle + if os.path.isfile(use_cache): + message("use_cache: WARNING: using cached getpeerdata") + peer_tables = pickle.load(file(use_cache, 'rb')) + else: + message("use_cache: issuing getpeerdata") + peer_tables = peer.GetPeerData() + message("use_cache: saving in cache %s", use_cache) + pickle.dump(peer_tables, file(use_cache, 'wb')) + + # for smooth federation with 4.2 - ignore fields that are useless + # anyway, and rewrite boot_state + boot_state_rewrite = {'dbg': 'safeboot', 'diag': 'safeboot', 'disable': 'disabled', + 'inst': 'reinstall', 'rins': 'reinstall', 'new': 'reinstall', 'rcnf': 'reinstall'} + for node in peer_tables['Nodes']: + for key in ['nodenetwork_ids', 'dummybox_id']: + if key in node: + del node[key] + if node['boot_state'] in boot_state_rewrite: + node['boot_state'] = boot_state_rewrite[node['boot_state']] + for slice in peer_tables['Slices']: + for key in ['slice_attribute_ids']: + if key in slice: + del slice[key] + timers['transport'] = time.time() - start - peer_tables['db_time'] + timers['peer_db'] = peer_tables['db_time'] + message_verbose('GetPeerData returned -> db=%d transport=%d' % + (timers['peer_db'], timers['transport'])) + + def sync(objects, peer_objects, classobj, columns): + """ + Synchronizes two dictionaries of objects. objects should + be a dictionary of local objects keyed on their foreign + identifiers. peer_objects should be a dictionary of + foreign objects keyed on their local (i.e., foreign to us) + identifiers. Returns a final dictionary of local objects + keyed on their foreign identifiers. + """ + + classname = classobj(self.api).__class__.__name__ + primary_key = getattr(classobj, 'primary_key') + # display all peer objects of these types while looping + secondary_keys = {'Node': 'hostname', 'Slice': 'name', + 'Person': 'email', 'Site': 'login_base'} + secondary_key = None + if classname in secondary_keys: + secondary_key = secondary_keys[classname] + + message_verbose('Entering sync on %s (%s)' % + (classname, primary_key)) + + synced = {} + + # Delete stale objects + for peer_object_id, object in objects.iteritems(): + if peer_object_id not in peer_objects: + object.delete(commit=commit_mode) + message("%s %s %s deleted" % + (peer['peername'], classname, object[primary_key])) + + total = len(peer_objects) + count = 1 + + # peer_object_id, peer_object and object are dynamically bound in the loop below... + # (local) object might be None if creating a new one + def in_focus(): + if classname != focus_type: + return False + return peer_object_id in focus_ids or \ + (object and primary_key in object and object[ + primary_key] in focus_ids) + + def message_focus(message): + if in_focus(): + # always show remote + message_verbose("peer_obj : %d [[%r]]" % (peer_object_id, peer_object), + header='FOCUS ' + message) + # show local object if a match was found + if object: + message_verbose("local_obj : <<%r>>" % (object), + header='FOCUS ' + message) + + # the function to compare a local object with its cadidate peer obj + # xxx probably faster when compatibility is False... + def equal_fields(object, peer_object, columns): + # fast version: must use __eq__() instead of == since + # peer_object may be a raw dict instead of a Peer object. + if not compatibility: + return object.__eq__(peer_object) + elif not verbose: + for column in columns: + # if in_focus(): message ('FOCUS comparing column %s'%column) + if object[column] != peer_object[column]: + return False + return True + else: + result = True + for column in columns: + test = object[column] == peer_object[column] + if not test: + result = False + return result + + # Add/update new/existing objects + for peer_object_id, peer_object in peer_objects.iteritems(): + peer_object_name = "" + if secondary_key: + peer_object_name = "(%s)" % peer_object[secondary_key] + message_verbose('%s peer_object_id=%d %s (%d/%d)' + % (classname, peer_object_id, peer_object_name, count, total)) + count += 1 + if peer_object_id in synced: + message("Warning: %s Skipping already added %s: %r" % ( + peer['peername'], classname, peer_object)) + continue + + if peer_object_id in objects: + # Update existing object + object = objects[peer_object_id] + + # Replace foreign identifier with existing local + # identifier temporarily for the purposes of + # comparison. + peer_object[primary_key] = object[primary_key] + + if not equal_fields(object, peer_object, columns): + # Only update intrinsic fields + object.update(object.db_fields(peer_object)) + message_focus("DIFFERENCES : updated / syncing") + sync = True + action = "changed" + else: + message_focus("UNCHANGED - left intact / not syncing") + sync = False + action = None + + # Restore foreign identifier + peer_object[primary_key] = peer_object_id + else: + object = None + # Add new object + object = classobj(self.api, peer_object) + # Replace foreign identifier with new local identifier + del object[primary_key] + message_focus("NEW -- created with clean id - syncing") + sync = True + action = "added" + + if sync: + message_verbose("syncing %s %d - commit_mode=%r" + % (classname, peer_object_id, commit_mode)) + try: + object.sync(commit=commit_mode) + except PLCInvalidArgument, err: + # Skip if validation fails + # XXX Log an event instead of printing to logfile + message("Warning: %s Skipping invalid %s %r : %r" % + (peer['peername'], classname, peer_object, err)) + continue + + synced[peer_object_id] = object + + if action: + message("%s: (%d/%d) %s %d %s %s" + % (peer['peername'], count, total, classname, + object[primary_key], peer_object_name, action)) + + message_verbose("Exiting sync on %s" % classname) + + return synced + + # over time, we've had issues with a given column being + # added on one side and not on the other + # this helper function computes the intersection of two list of + # fields/columns + def intersect(l1, l2): + if compatibility: + return list(set(l1).intersection(set(l2))) + else: + return l1 + + # some fields definitely need to be ignored + def ignore(l1, l2): + return list(set(l1).difference(set(l2))) + + # + # Synchronize foreign sites + # + + start = time.time() + + message('Dealing with Sites') + + # Compare only the columns returned by the GetPeerData() call + if peer_tables['Sites']: + columns = peer_tables['Sites'][0].keys() + columns = intersect(columns, Site.fields) + else: + columns = None + + # Keyed on foreign site_id + old_peer_sites = Sites( + self.api, {'peer_id': peer_id}, columns).dict('peer_site_id') + sites_at_peer = dict([(site['site_id'], site) + for site in peer_tables['Sites']]) + + # Synchronize new set (still keyed on foreign site_id) + peer_sites = sync(old_peer_sites, sites_at_peer, Site, + ignore(columns, RefreshPeer.ignore_site_fields)) + + for peer_site_id, site in peer_sites.iteritems(): + # Bind any newly cached sites to peer + if peer_site_id not in old_peer_sites: + peer.add_site(site, peer_site_id, commit=commit_mode) + site['peer_id'] = peer_id + site['peer_site_id'] = peer_site_id + + timers['site'] = time.time() - start + + # + # XXX Synchronize foreign key types + # + + message('Dealing with Keys') + + key_types = KeyTypes(self.api).dict() + + # + # Synchronize foreign keys + # + + start = time.time() + + # Compare only the columns returned by the GetPeerData() call + if peer_tables['Keys']: + columns = peer_tables['Keys'][0].keys() + columns = intersect(columns, Key.fields) + else: + columns = None + + # Keyed on foreign key_id + old_peer_keys = Keys( + self.api, {'peer_id': peer_id}, columns).dict('peer_key_id') + keys_at_peer = dict([(key['key_id'], key) + for key in peer_tables['Keys']]) + + # Fix up key_type references + for peer_key_id, key in keys_at_peer.items(): + if key['key_type'] not in key_types: + # XXX Log an event instead of printing to logfile + message("Warning: Skipping invalid %s key %r" % + (peer['peername'], key)) + del keys_at_peer[peer_key_id] + continue + + # Synchronize new set (still keyed on foreign key_id) + peer_keys = sync(old_peer_keys, keys_at_peer, Key, + ignore(columns, RefreshPeer.ignore_key_fields)) + for peer_key_id, key in peer_keys.iteritems(): + # Bind any newly cached keys to peer + if peer_key_id not in old_peer_keys: + peer.add_key(key, peer_key_id, commit=commit_mode) + key['peer_id'] = peer_id + key['peer_key_id'] = peer_key_id + + timers['keys'] = time.time() - start + + # + # Synchronize foreign users + # + + start = time.time() + + message('Dealing with Persons') + + # Compare only the columns returned by the GetPeerData() call + if peer_tables['Persons']: + columns = peer_tables['Persons'][0].keys() + columns = intersect(columns, Person.fields) + else: + columns = None + + # 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']]) + + # XXX Do we care about membership in foreign site(s)? + + # Synchronize new set (still keyed on foreign person_id) + peer_persons = sync(old_peer_persons, persons_at_peer, Person, + ignore(columns, RefreshPeer.ignore_person_fields)) + + # transcoder : retrieve a local key_id from a peer_key_id + 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 + if peer_person_id not in old_peer_persons: + peer.add_person(person, peer_person_id, commit=commit_mode) + person['peer_id'] = peer_id + person['peer_person_id'] = peer_person_id + person['key_ids'] = [] + + # User as viewed by 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'] + 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 = [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)): + person.remove_key(peer_keys[key_id], commit=commit_mode) + message("%s Key %d removed from person %s" % + (peer['peername'], key_id, person['email'])) + + # Add new keys to user + for key_id in (set(person_key_ids) - set(old_person_key_ids)): + message("before add_key, passing person=%r" % person) + message("before add_key, passing key=%r" % peer_keys[key_id]) + person.add_key(peer_keys[key_id], commit=commit_mode) + message("%s Key %d added into person %s" % + (peer['peername'], key_id, person['email'])) + + timers['persons'] = time.time() - start + + # + # XXX Synchronize foreign boot states + # + + boot_states = BootStates(self.api).dict() + + # + # Synchronize foreign nodes + # + + start = time.time() + + message('Dealing with Nodes (1)') + + # Compare only the columns returned by the GetPeerData() call + if peer_tables['Nodes']: + columns = peer_tables['Nodes'][0].keys() + columns = intersect(columns, Node.fields) + else: + columns = Node.fields + + # Keyed on foreign node_id + old_peer_nodes = Nodes( + self.api, {'peer_id': peer_id}, columns).dict('peer_node_id') + nodes_at_peer = dict([(node['node_id'], node) + for node in peer_tables['Nodes']]) + + # Fix up site_id and boot_states references + for peer_node_id, node in nodes_at_peer.items(): + errors = [] + if node['site_id'] not in peer_sites: + errors.append("invalid site %d" % node['site_id']) + if node['boot_state'] not in boot_states: + errors.append("invalid boot state %s" % node['boot_state']) + if errors: + # XXX Log an event instead of printing to logfile + message("Warning: Skipping invalid %s node %r : " % (peer['peername'], node) + + ", ".join(errors)) + del nodes_at_peer[peer_node_id] + continue + else: + node['site_id'] = peer_sites[node['site_id']]['site_id'] + + # Synchronize new set + peer_nodes = sync(old_peer_nodes, nodes_at_peer, Node, + ignore(columns, RefreshPeer.ignore_node_fields)) + + for peer_node_id, node in peer_nodes.iteritems(): + # Bind any newly cached foreign nodes to peer + if peer_node_id not in old_peer_nodes: + peer.add_node(node, peer_node_id, commit=commit_mode) + node['peer_id'] = peer_id + node['peer_node_id'] = peer_node_id + + timers['nodes'] = time.time() - start + + # + # Synchronize local nodes + # + + start = time.time() + message('Dealing with Nodes (2)') + + # Keyed on local node_id + local_nodes = Nodes(self.api).dict() + + for node in peer_tables['PeerNodes']: + # Foreign identifier for our node as maintained by peer + peer_node_id = node['node_id'] + # Local identifier for our node as cached by peer + node_id = node['peer_node_id'] + if node_id in local_nodes: + # Still a valid local node, add it to the synchronized + # set of local node objects keyed on foreign node_id. + peer_nodes[peer_node_id] = local_nodes[node_id] + + timers['local_nodes'] = time.time() - start + + # + # XXX Synchronize foreign slice instantiation states + # + + slice_instantiations = SliceInstantiations(self.api).dict() + + # + # Synchronize foreign slices + # + + start = time.time() + + message('Dealing with Slices (1)') + + # Compare only the columns returned by the GetPeerData() call + if peer_tables['Slices']: + columns = peer_tables['Slices'][0].keys() + columns = intersect(columns, Slice.fields) + else: + columns = None + + # Keyed on foreign slice_id + old_peer_slices = Slices( + self.api, {'peer_id': peer_id}, columns).dict('peer_slice_id') + slices_at_peer = dict([(slice['slice_id'], slice) + for slice in peer_tables['Slices']]) + + # Fix up site_id, instantiation, and creator_person_id references + for peer_slice_id, slice in slices_at_peer.items(): + errors = [] + if slice['site_id'] not in peer_sites: + errors.append("invalid site %d" % slice['site_id']) + if slice['instantiation'] not in slice_instantiations: + errors.append("invalid instantiation %s" % + slice['instantiation']) + if slice['creator_person_id'] not in peer_persons: + # Just NULL it out + slice['creator_person_id'] = None + else: + slice['creator_person_id'] = peer_persons[ + slice['creator_person_id']]['person_id'] + if errors: + message("Warning: Skipping invalid %s slice %r : " % (peer['peername'], slice) + + ", ".join(errors)) + del slices_at_peer[peer_slice_id] + continue + else: + slice['site_id'] = peer_sites[slice['site_id']]['site_id'] + + # Synchronize new set + peer_slices = sync(old_peer_slices, slices_at_peer, Slice, ignore( + columns, RefreshPeer.ignore_slice_fields)) + + message('Dealing with Slices (2)') + # transcoder : retrieve a local node_id from a peer_node_id + 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 + if peer_slice_id not in old_peer_slices: + peer.add_slice(slice, peer_slice_id, commit=commit_mode) + slice['peer_id'] = peer_id + slice['peer_slice_id'] = peer_slice_id + slice['node_ids'] = [] + slice['person_ids'] = [] + + # Slice as viewed by 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'] + if node_id in node_transcoder and node_transcoder[node_id] in peer_nodes] + + # Nodes that should be part of the slice + 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=commit_mode) + message("%s node %s removed from slice %s" % ( + peer['peername'], peer_nodes[node_id]['hostname'], 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=commit_mode) + message("%s node %s added into slice %s" % ( + peer['peername'], peer_nodes[node_id]['hostname'], 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'] \ + # 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): + message('WARNING : person_id %d in %s not transcodable (1) - skipped' % + (person_id, slice['name'])) + elif person_transcoder[person_id] not in peer_persons: + message('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 = [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=commit_mode) + message("%s user %s removed from slice %s" % ( + peer['peername'], peer_persons[person_id]['email'], 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=commit_mode) + message("%s user %s added into slice %s" % ( + peer['peername'], peer_persons[person_id]['email'], slice['name'])) + + # N.B.: Local users that may have been added to the slice + # by hand, are not touched. + + timers['slices'] = time.time() - start + + # + # Persons x Sites + # + start = time.time() + + message('Dealing Sites X Persons relationship') + + for peer_site_id, site in peer_sites.iteritems(): + # Site as viewed by peer + peer_site = sites_at_peer[peer_site_id] + + # Persons that are currently part of the site + old_site_person_ids = [person_transcoder[person_id] for person_id in site['person_ids'] + if person_id in person_transcoder and person_transcoder[person_id] in peer_persons] + + # Perons that should be part of the site + site_person_ids = [person_id for person_id in peer_site[ + 'person_ids'] if person_id in peer_persons] + + # Remove stale persons from site + for person_id in (set(old_site_person_ids) - set(site_person_ids)): + site.remove_person(peer_persons[person_id], commit=commit_mode) + message("%s person %s removed from site %s" % ( + peer['peername'], peer_persons[person_id]['email'], site['login_base'])) + + # Add new persons to site + for person_id in (set(site_person_ids) - set(old_site_person_ids)): + site.add_person(peer_persons[person_id], commit=commit_mode) + message("%s person %s added into site %s" % ( + peer['peername'], peer_persons[person_id]['email'], site['login_base'])) + + timers['sites-persons'] = time.time() - start + + # + # Persons x Roles + # + start = time.time() + + message('Dealing with Persons Roles relationship') + + roles = Roles(self.api) + roles_dict = dict([(role['role_id'], role) for role in roles]) + for peer_person_id, person in peer_persons.iteritems(): + # Person as viewed by peer + peer_person = persons_at_peer[peer_person_id] + + # Roles that are currently attributed for the person + old_person_role_ids = [role_id for role_id in person['role_ids']] + + # Roles that should be attributed to the person + person_role_ids = [role_id for role_id in peer_person['role_ids']] + + # Remove stale roles + for role_id in (set(old_person_role_ids) - set(person_role_ids)): + person.remove_role(roles_dict[role_id], commit=commit_mode) + message("%s role %s removed from person %s" % ( + peer['peername'], roles_dict[role_id]['name'], person['email'])) + + # Add new roles to person + for role_id in (set(person_role_ids) - set(old_person_role_ids)): + person.add_role(roles_dict[role_id], commit=commit_mode) + message("%s role %s added from person %s" % ( + peer['peername'], roles_dict[role_id]['name'], person['email'])) + + timers['persons-roles'] = time.time() - start + + # Update peer itself and commit + peer.sync(commit=True) + + return timers