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Prune rows in user_ips older than configured period
Defaults to pruning everything older than 28d.
This commit is contained in:
parent
2135c198d1
commit
242017db8b
3 changed files with 73 additions and 8 deletions
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@ -313,6 +313,12 @@ listeners:
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#
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#
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redaction_retention_period: 7d
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redaction_retention_period: 7d
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# How long to track users' last seen time and IPs in the database.
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#
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# Defaults to `28d`. Set to `null` to disable.
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#
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#user_ips_max_age: 14d
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## TLS ##
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## TLS ##
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@ -172,6 +172,13 @@ class ServerConfig(Config):
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else:
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else:
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self.redaction_retention_period = None
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self.redaction_retention_period = None
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# How long to keep entries in the `users_ips` table.
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user_ips_max_age = config.get("user_ips_max_age", "28d")
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if user_ips_max_age is not None:
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self.user_ips_max_age = self.parse_duration(user_ips_max_age)
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else:
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self.user_ips_max_age = None
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# Options to disable HS
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# Options to disable HS
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self.hs_disabled = config.get("hs_disabled", False)
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self.hs_disabled = config.get("hs_disabled", False)
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self.hs_disabled_message = config.get("hs_disabled_message", "")
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self.hs_disabled_message = config.get("hs_disabled_message", "")
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@ -735,6 +742,12 @@ class ServerConfig(Config):
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# Defaults to `7d`. Set to `null` to disable.
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# Defaults to `7d`. Set to `null` to disable.
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#
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#
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redaction_retention_period: 7d
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redaction_retention_period: 7d
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# How long to track users' last seen time and IPs in the database.
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#
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# Defaults to `28d`. Set to `null` to disable.
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#
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#user_ips_max_age: 14d
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"""
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"""
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% locals()
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% locals()
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)
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)
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@ -19,7 +19,7 @@ from six import iteritems
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from twisted.internet import defer
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from twisted.internet import defer
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.metrics.background_process_metrics import wrap_as_background_process
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from synapse.util.caches import CACHE_SIZE_FACTOR
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from synapse.util.caches import CACHE_SIZE_FACTOR
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from . import background_updates
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from . import background_updates
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@ -42,6 +42,8 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
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super(ClientIpStore, self).__init__(db_conn, hs)
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super(ClientIpStore, self).__init__(db_conn, hs)
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self.user_ips_max_age = hs.config.user_ips_max_age
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self.register_background_index_update(
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self.register_background_index_update(
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"user_ips_device_index",
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"user_ips_device_index",
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index_name="user_ips_device_id",
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index_name="user_ips_device_id",
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@ -100,6 +102,9 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
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"before", "shutdown", self._update_client_ips_batch
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"before", "shutdown", self._update_client_ips_batch
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)
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)
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if self.user_ips_max_age:
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self._clock.looping_call(self._prune_old_user_ips, 5 * 1000)
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@defer.inlineCallbacks
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@defer.inlineCallbacks
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def _remove_user_ip_nonunique(self, progress, batch_size):
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def _remove_user_ip_nonunique(self, progress, batch_size):
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def f(conn):
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def f(conn):
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@ -319,21 +324,20 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
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self._batch_row_update[key] = (user_agent, device_id, now)
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self._batch_row_update[key] = (user_agent, device_id, now)
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@wrap_as_background_process("update_client_ips")
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def _update_client_ips_batch(self):
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def _update_client_ips_batch(self):
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# If the DB pool has already terminated, don't try updating
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# If the DB pool has already terminated, don't try updating
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if not self.hs.get_db_pool().running:
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if not self.hs.get_db_pool().running:
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return
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return
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def update():
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to_update = self._batch_row_update
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to_update = self._batch_row_update
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self._batch_row_update = {}
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self._batch_row_update = {}
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return self.runInteraction(
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return self.runInteraction(
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"_update_client_ips_batch", self._update_client_ips_batch_txn, to_update
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"_update_client_ips_batch", self._update_client_ips_batch_txn, to_update
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)
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)
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return run_as_background_process("update_client_ips", update)
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def _update_client_ips_batch_txn(self, txn, to_update):
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def _update_client_ips_batch_txn(self, txn, to_update):
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if "user_ips" in self._unsafe_to_upsert_tables or (
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if "user_ips" in self._unsafe_to_upsert_tables or (
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not self.database_engine.can_native_upsert
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not self.database_engine.can_native_upsert
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@ -496,3 +500,45 @@ class ClientIpStore(background_updates.BackgroundUpdateStore):
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yield self._end_background_update("devices_last_seen")
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yield self._end_background_update("devices_last_seen")
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return updated
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return updated
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@wrap_as_background_process("prune_old_user_ips")
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async def _prune_old_user_ips(self):
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"""Removes entries in user IPs older than the configured period.
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"""
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if not self.user_ips_max_age:
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# Nothing to do
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return
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if not await self.has_completed_background_update("devices_last_seen"):
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# Only start pruning if we have finished populating the devices
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# last seen info.
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return
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# We do a slightly funky SQL delete to ensure we don't try and delete
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# too much at once (as the table may be very large from before we
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# started pruning).
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#
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# This works by finding the max last_seen that is less than the given
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# time, but has no more than N rows before it, deleting all rows with
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# a lesser last_seen time. (We COALESCE so that the sub-SELECT always
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# returns exactly one row).
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sql = """
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DELETE FROM user_ips
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WHERE last_seen <= (
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SELECT COALESCE(MAX(last_seen), -1)
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FROM (
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SELECT last_seen FROM user_ips
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WHERE last_seen <= ?
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ORDER BY last_seen ASC
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LIMIT 5000
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) AS u
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)
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"""
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timestamp = self.clock.time_msec() - self.user_ips_max_age
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def _prune_old_user_ips_txn(txn):
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txn.execute(sql, (timestamp,))
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await self.runInteraction("_prune_old_user_ips", _prune_old_user_ips_txn)
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