diff options
| -rw-r--r-- | changelog.d/3959.feature | 1 | ||||
| -rw-r--r-- | synapse/federation/federation_server.py | 32 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 65 | ||||
| -rw-r--r-- | synapse/util/logcontext.py | 41 | ||||
| -rw-r--r-- | tests/test_federation.py | 28 | ||||
| -rw-r--r-- | tests/util/test_logcontext.py | 5 |
6 files changed, 115 insertions, 57 deletions
diff --git a/changelog.d/3959.feature b/changelog.d/3959.feature new file mode 100644 index 0000000000..b3a4f37a8d --- /dev/null +++ b/changelog.d/3959.feature @@ -0,0 +1 @@ +Include eventid in log lines when processing incoming federation transactions \ No newline at end of file diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 9a571e4fc7..819e8f7331 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -46,6 +46,7 @@ from synapse.replication.http.federation import ( from synapse.types import get_domain_from_id from synapse.util.async_helpers import Linearizer, concurrently_execute from synapse.util.caches.response_cache import ResponseCache +from synapse.util.logcontext import nested_logging_context from synapse.util.logutils import log_function # when processing incoming transactions, we try to handle multiple rooms in @@ -187,21 +188,22 @@ class FederationServer(FederationBase): for pdu in pdus_by_room[room_id]: event_id = pdu.event_id - try: - yield self._handle_received_pdu( - origin, pdu - ) - pdu_results[event_id] = {} - except FederationError as e: - logger.warn("Error handling PDU %s: %s", event_id, e) - pdu_results[event_id] = {"error": str(e)} - except Exception as e: - f = failure.Failure() - pdu_results[event_id] = {"error": str(e)} - logger.error( - "Failed to handle PDU %s: %s", - event_id, f.getTraceback().rstrip(), - ) + with nested_logging_context(event_id): + try: + yield self._handle_received_pdu( + origin, pdu + ) + pdu_results[event_id] = {} + except FederationError as e: + logger.warn("Error handling PDU %s: %s", event_id, e) + pdu_results[event_id] = {"error": str(e)} + except Exception as e: + f = failure.Failure() + pdu_results[event_id] = {"error": str(e)} + logger.error( + "Failed to handle PDU %s: %s", + event_id, f.getTraceback().rstrip(), + ) yield concurrently_execute( process_pdus_for_room, pdus_by_room.keys(), diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 2ccdc3bfa7..993546387c 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -339,14 +339,18 @@ class FederationHandler(BaseHandler): "[%s %s] Requesting state at missing prev_event %s", room_id, event_id, p, ) - state, got_auth_chain = ( - yield self.federation_client.get_state_for_room( - origin, room_id, p, + + with logcontext.nested_logging_context(p): + state, got_auth_chain = ( + yield self.federation_client.get_state_for_room( + origin, room_id, p, + ) ) - ) - auth_chains.update(got_auth_chain) - state_group = {(x.type, x.state_key): x.event_id for x in state} - state_groups.append(state_group) + auth_chains.update(got_auth_chain) + state_group = { + (x.type, x.state_key): x.event_id for x in state + } + state_groups.append(state_group) # Resolve any conflicting state def fetch(ev_ids): @@ -483,20 +487,21 @@ class FederationHandler(BaseHandler): "[%s %s] Handling received prev_event %s", room_id, event_id, ev.event_id, ) - try: - yield self.on_receive_pdu( - origin, - ev, - sent_to_us_directly=False, - ) - except FederationError as e: - if e.code == 403: - logger.warn( - "[%s %s] Received prev_event %s failed history check.", - room_id, event_id, ev.event_id, + with logcontext.nested_logging_context(ev.event_id): + try: + yield self.on_receive_pdu( + origin, + ev, + sent_to_us_directly=False, ) - else: - raise + except FederationError as e: + if e.code == 403: + logger.warn( + "[%s %s] Received prev_event %s failed history check.", + room_id, event_id, ev.event_id, + ) + else: + raise @defer.inlineCallbacks def _process_received_pdu(self, origin, event, state, auth_chain): @@ -1135,7 +1140,8 @@ class FederationHandler(BaseHandler): try: logger.info("Processing queued PDU %s which was received " "while we were joining %s", p.event_id, p.room_id) - yield self.on_receive_pdu(origin, p, sent_to_us_directly=True) + with logcontext.nested_logging_context(p.event_id): + yield self.on_receive_pdu(origin, p, sent_to_us_directly=True) except Exception as e: logger.warn( "Error handling queued PDU %s from %s: %s", @@ -1581,15 +1587,22 @@ class FederationHandler(BaseHandler): Notifies about the events where appropriate. """ - contexts = yield logcontext.make_deferred_yieldable(defer.gatherResults( - [ - logcontext.run_in_background( - self._prep_event, + + @defer.inlineCallbacks + def prep(ev_info): + event = ev_info["event"] + with logcontext.nested_logging_context(suffix=event.event_id): + res = yield self._prep_event( origin, - ev_info["event"], + event, state=ev_info.get("state"), auth_events=ev_info.get("auth_events"), ) + defer.returnValue(res) + + contexts = yield logcontext.make_deferred_yieldable(defer.gatherResults( + [ + logcontext.run_in_background(prep, ev_info) for ev_info in event_infos ], consumeErrors=True, )) diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index a0c2d37610..89224b26cc 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -200,7 +200,7 @@ class LoggingContext(object): sentinel = Sentinel() - def __init__(self, name=None, parent_context=None): + def __init__(self, name=None, parent_context=None, request=None): self.previous_context = LoggingContext.current_context() self.name = name @@ -218,6 +218,13 @@ class LoggingContext(object): self.parent_context = parent_context + if self.parent_context is not None: + self.parent_context.copy_to(self) + + if request is not None: + # the request param overrides the request from the parent context + self.request = request + def __str__(self): return "%s@%x" % (self.name, id(self)) @@ -256,9 +263,6 @@ class LoggingContext(object): ) self.alive = True - if self.parent_context is not None: - self.parent_context.copy_to(self) - return self def __exit__(self, type, value, traceback): @@ -439,6 +443,35 @@ class PreserveLoggingContext(object): ) +def nested_logging_context(suffix, parent_context=None): + """Creates a new logging context as a child of another. + + The nested logging context will have a 'request' made up of the parent context's + request, plus the given suffix. + + CPU/db usage stats will be added to the parent context's on exit. + + Normal usage looks like: + + with nested_logging_context(suffix): + # ... do stuff + + Args: + suffix (str): suffix to add to the parent context's 'request'. + parent_context (LoggingContext|None): parent context. Will use the current context + if None. + + Returns: + LoggingContext: new logging context. + """ + if parent_context is None: + parent_context = LoggingContext.current_context() + return LoggingContext( + parent_context=parent_context, + request=parent_context.request + "-" + suffix, + ) + + def preserve_fn(f): """Function decorator which wraps the function with run_in_background""" def g(*args, **kwargs): diff --git a/tests/test_federation.py b/tests/test_federation.py index 2540604fcc..ff55c7a627 100644 --- a/tests/test_federation.py +++ b/tests/test_federation.py @@ -6,6 +6,7 @@ from twisted.internet.defer import maybeDeferred, succeed from synapse.events import FrozenEvent from synapse.types import Requester, UserID from synapse.util import Clock +from synapse.util.logcontext import LoggingContext from tests import unittest from tests.server import ThreadedMemoryReactorClock, setup_test_homeserver @@ -117,9 +118,10 @@ class MessageAcceptTests(unittest.TestCase): } ) - d = self.handler.on_receive_pdu( - "test.serv", lying_event, sent_to_us_directly=True - ) + with LoggingContext(request="lying_event"): + d = self.handler.on_receive_pdu( + "test.serv", lying_event, sent_to_us_directly=True + ) # Step the reactor, so the database fetches come back self.reactor.advance(1) @@ -209,11 +211,12 @@ class MessageAcceptTests(unittest.TestCase): } ) - d = self.handler.on_receive_pdu( - "test.serv", good_event, sent_to_us_directly=True - ) - self.reactor.advance(1) - self.assertEqual(self.successResultOf(d), None) + with LoggingContext(request="good_event"): + d = self.handler.on_receive_pdu( + "test.serv", good_event, sent_to_us_directly=True + ) + self.reactor.advance(1) + self.assertEqual(self.successResultOf(d), None) bad_event = FrozenEvent( { @@ -230,10 +233,11 @@ class MessageAcceptTests(unittest.TestCase): } ) - d = self.handler.on_receive_pdu( - "test.serv", bad_event, sent_to_us_directly=True - ) - self.reactor.advance(1) + with LoggingContext(request="bad_event"): + d = self.handler.on_receive_pdu( + "test.serv", bad_event, sent_to_us_directly=True + ) + self.reactor.advance(1) extrem = maybeDeferred( self.homeserver.datastore.get_latest_event_ids_in_room, self.room_id diff --git a/tests/util/test_logcontext.py b/tests/util/test_logcontext.py index 4633db77b3..8adaee3c8d 100644 --- a/tests/util/test_logcontext.py +++ b/tests/util/test_logcontext.py @@ -159,6 +159,11 @@ class LoggingContextTestCase(unittest.TestCase): self.assertEqual(r, "bum") self._check_test_key("one") + def test_nested_logging_context(self): + with LoggingContext(request="foo"): + nested_context = logcontext.nested_logging_context(suffix="bar") + self.assertEqual(nested_context.request, "foo-bar") + # a function which returns a deferred which has been "called", but # which had a function which returned another incomplete deferred on |