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authorRichard van der Hoff <richard@matrix.org>2018-07-26 11:44:26 +0100
committerRichard van der Hoff <richard@matrix.org>2018-07-26 11:48:08 +0100
commit03751a64203b169cbf33b636b6d940ca6d414c31 (patch)
tree29c6e9e328df2d07c84f9ca2a7bf80db0e894a1e /synapse
parentMerge pull request #2970 from matrix-org/matthew/filter_members (diff)
downloadsynapse-03751a64203b169cbf33b636b6d940ca6d414c31.tar.xz
Fix some looping_call calls which were broken in #3604
It turns out that looping_call does check the deferred returned by its
callback, and (at least in the case of client_ips), we were relying on this,
and I broke it in #3604.

Update run_as_background_process to return the deferred, and make sure we
return it to clock.looping_call.
Diffstat (limited to 'synapse')
-rwxr-xr-xsynapse/app/homeserver.py4
-rw-r--r--synapse/groups/attestations.py2
-rw-r--r--synapse/handlers/profile.py2
-rw-r--r--synapse/metrics/background_process_metrics.py10
-rw-r--r--synapse/rest/media/v1/media_repository.py2
-rw-r--r--synapse/rest/media/v1/preview_url_resource.py2
-rw-r--r--synapse/storage/client_ips.py2
-rw-r--r--synapse/storage/devices.py2
-rw-r--r--synapse/storage/event_federation.py2
-rw-r--r--synapse/storage/event_push_actions.py4
-rw-r--r--synapse/storage/transactions.py4
-rw-r--r--synapse/util/caches/expiringcache.py2
12 files changed, 23 insertions, 15 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index b7e7718290..57b815d777 100755
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -429,7 +429,7 @@ def run(hs):
     stats_process = []
 
     def start_phone_stats_home():
-        run_as_background_process("phone_stats_home", phone_stats_home)
+        return run_as_background_process("phone_stats_home", phone_stats_home)
 
     @defer.inlineCallbacks
     def phone_stats_home():
@@ -502,7 +502,7 @@ def run(hs):
             )
 
     def generate_user_daily_visit_stats():
-        run_as_background_process(
+        return run_as_background_process(
             "generate_user_daily_visits",
             hs.get_datastore().generate_user_daily_visits,
         )
diff --git a/synapse/groups/attestations.py b/synapse/groups/attestations.py
index 4216af0a27..b04f4234ca 100644
--- a/synapse/groups/attestations.py
+++ b/synapse/groups/attestations.py
@@ -153,7 +153,7 @@ class GroupAttestionRenewer(object):
         defer.returnValue({})
 
     def _start_renew_attestations(self):
-        run_as_background_process("renew_attestations", self._renew_attestations)
+        return run_as_background_process("renew_attestations", self._renew_attestations)
 
     @defer.inlineCallbacks
     def _renew_attestations(self):
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index 43692b83a8..cb5c6d587e 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -256,7 +256,7 @@ class ProfileHandler(BaseHandler):
                 )
 
     def _start_update_remote_profile_cache(self):
-        run_as_background_process(
+        return run_as_background_process(
             "Update remote profile", self._update_remote_profile_cache,
         )
 
diff --git a/synapse/metrics/background_process_metrics.py b/synapse/metrics/background_process_metrics.py
index 9d820e44a6..ce678d5f75 100644
--- a/synapse/metrics/background_process_metrics.py
+++ b/synapse/metrics/background_process_metrics.py
@@ -151,13 +151,19 @@ def run_as_background_process(desc, func, *args, **kwargs):
     This should be used to wrap processes which are fired off to run in the
     background, instead of being associated with a particular request.
 
+    It returns a Deferred which completes when the function completes, but it doesn't
+    follow the synapse logcontext rules, which makes it appropriate for passing to
+    clock.looping_call and friends (or for firing-and-forgetting in the middle of a
+    normal synapse inlineCallbacks function).
+
     Args:
         desc (str): a description for this background process type
         func: a function, which may return a Deferred
         args: positional args for func
         kwargs: keyword args for func
 
-    Returns: None
+    Returns: Deferred which returns the result of func, but note that it does not
+        follow the synapse logcontext rules.
     """
     @defer.inlineCallbacks
     def run():
@@ -176,4 +182,4 @@ def run_as_background_process(desc, func, *args, **kwargs):
                 _background_processes[desc].remove(proc)
 
     with PreserveLoggingContext():
-        run()
+        return run()
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index 5b13378caa..174ad20123 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -106,7 +106,7 @@ class MediaRepository(object):
         )
 
     def _start_update_recently_accessed(self):
-        run_as_background_process(
+        return run_as_background_process(
             "update_recently_accessed_media", self._update_recently_accessed,
         )
 
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 4efd5339a4..27aa0def2f 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -373,7 +373,7 @@ class PreviewUrlResource(Resource):
         })
 
     def _start_expire_url_cache_data(self):
-        run_as_background_process(
+        return run_as_background_process(
             "expire_url_cache_data", self._expire_url_cache_data,
         )
 
diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py
index 77ae10da3d..b8cefd43d6 100644
--- a/synapse/storage/client_ips.py
+++ b/synapse/storage/client_ips.py
@@ -102,7 +102,7 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
                 to_update,
             )
 
-        run_as_background_process(
+        return run_as_background_process(
             "update_client_ips", update,
         )
 
diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py
index 52dccb1507..c0943ecf91 100644
--- a/synapse/storage/devices.py
+++ b/synapse/storage/devices.py
@@ -712,7 +712,7 @@ class DeviceStore(SQLBaseStore):
 
             logger.info("Pruned %d device list outbound pokes", txn.rowcount)
 
-        run_as_background_process(
+        return run_as_background_process(
             "prune_old_outbound_device_pokes",
             self.runInteraction,
             "_prune_old_outbound_device_pokes",
diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py
index 65f2d19e20..f269ec6fb3 100644
--- a/synapse/storage/event_federation.py
+++ b/synapse/storage/event_federation.py
@@ -549,7 +549,7 @@ class EventFederationStore(EventFederationWorkerStore):
                 sql,
                 (self.stream_ordering_month_ago, self.stream_ordering_month_ago,)
             )
-        run_as_background_process(
+        return run_as_background_process(
             "delete_old_forward_extrem_cache",
             self.runInteraction,
             "_delete_old_forward_extrem_cache",
diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py
index 4f44b0ad47..6840320641 100644
--- a/synapse/storage/event_push_actions.py
+++ b/synapse/storage/event_push_actions.py
@@ -460,7 +460,7 @@ class EventPushActionsWorkerStore(SQLBaseStore):
             )
 
     def _find_stream_orderings_for_times(self):
-        run_as_background_process(
+        return run_as_background_process(
             "event_push_action_stream_orderings",
             self.runInteraction,
             "_find_stream_orderings_for_times",
@@ -790,7 +790,7 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
         """, (room_id, user_id, stream_ordering))
 
     def _start_rotate_notifs(self):
-        run_as_background_process("rotate_notifs", self._rotate_notifs)
+        return run_as_background_process("rotate_notifs", self._rotate_notifs)
 
     @defer.inlineCallbacks
     def _rotate_notifs(self):
diff --git a/synapse/storage/transactions.py b/synapse/storage/transactions.py
index b4b479d94c..428e7fa36e 100644
--- a/synapse/storage/transactions.py
+++ b/synapse/storage/transactions.py
@@ -273,7 +273,9 @@ class TransactionStore(SQLBaseStore):
         return self.cursor_to_dict(txn)
 
     def _start_cleanup_transactions(self):
-        run_as_background_process("cleanup_transactions", self._cleanup_transactions)
+        return run_as_background_process(
+            "cleanup_transactions", self._cleanup_transactions,
+        )
 
     def _cleanup_transactions(self):
         now = self._clock.time_msec()
diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py
index 465adc54a8..ce85b2ae11 100644
--- a/synapse/util/caches/expiringcache.py
+++ b/synapse/util/caches/expiringcache.py
@@ -64,7 +64,7 @@ class ExpiringCache(object):
             return
 
         def f():
-            run_as_background_process(
+            return run_as_background_process(
                 "prune_cache_%s" % self._cache_name,
                 self._prune_cache,
             )