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Include eventid in log lines when processing incoming federation transactions (#3959)

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when processing incoming transactions, it can be hard to see what's going on,
because we process a bunch of stuff in parallel, and because we may end up
recursively working our way through a chain of three or four events.

This commit creates a way to use logcontexts to add the relevant event ids to
the log lines.
This commit is contained in:
Richard van der Hoff 2018-09-27 11:25:34 +01:00 • committed by GitHub
parent ae6ad4cf41
commit 4a15a3e4d5
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6 changed files with 115 additions and 57 deletions
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65
synapse/handlers/federation.py
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@ -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,
))