From 55731333488bfd53ece117938dde1cef710eef68 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Fri, 15 Oct 2021 10:30:48 -0400 Subject: [PATCH] Move experimental & retention config out of the server module. (#11070) --- changelog.d/11070.misc | 1 + docs/sample_config.yaml | 83 ++++----- synapse/config/_base.pyi | 2 + synapse/config/experimental.py | 3 + synapse/config/homeserver.py | 2 + synapse/config/retention.py | 226 +++++++++++++++++++++++++ synapse/config/server.py | 201 ---------------------- synapse/events/utils.py | 6 +- synapse/handlers/pagination.py | 13 +- synapse/storage/databases/main/room.py | 8 +- 10 files changed, 290 insertions(+), 255 deletions(-) create mode 100644 changelog.d/11070.misc create mode 100644 synapse/config/retention.py diff --git a/changelog.d/11070.misc b/changelog.d/11070.misc new file mode 100644 index 000000000..52b23f967 --- /dev/null +++ b/changelog.d/11070.misc @@ -0,0 +1 @@ +Create a separate module for the retention configuration. diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml index 7bfaed483..b90ed62d6 100644 --- a/docs/sample_config.yaml +++ b/docs/sample_config.yaml @@ -472,6 +472,48 @@ limit_remote_rooms: # #user_ips_max_age: 14d +# Inhibits the /requestToken endpoints from returning an error that might leak +# information about whether an e-mail address is in use or not on this +# homeserver. +# Note that for some endpoints the error situation is the e-mail already being +# used, and for others the error is entering the e-mail being unused. +# If this option is enabled, instead of returning an error, these endpoints will +# act as if no error happened and return a fake session ID ('sid') to clients. +# +#request_token_inhibit_3pid_errors: true + +# A list of domains that the domain portion of 'next_link' parameters +# must match. +# +# This parameter is optionally provided by clients while requesting +# validation of an email or phone number, and maps to a link that +# users will be automatically redirected to after validation +# succeeds. Clients can make use this parameter to aid the validation +# process. +# +# The whitelist is applied whether the homeserver or an +# identity server is handling validation. +# +# The default value is no whitelist functionality; all domains are +# allowed. Setting this value to an empty list will instead disallow +# all domains. +# +#next_link_domain_whitelist: ["matrix.org"] + +# Templates to use when generating email or HTML page contents. +# +templates: + # Directory in which Synapse will try to find template files to use to generate + # email or HTML page contents. + # If not set, or a file is not found within the template directory, a default + # template from within the Synapse package will be used. + # + # See https://matrix-org.github.io/synapse/latest/templates.html for more + # information about using custom templates. + # + #custom_template_directory: /path/to/custom/templates/ + + # Message retention policy at the server level. # # Room admins and mods can define a retention period for their rooms using the @@ -541,47 +583,6 @@ retention: # - shortest_max_lifetime: 3d # interval: 1d -# Inhibits the /requestToken endpoints from returning an error that might leak -# information about whether an e-mail address is in use or not on this -# homeserver. -# Note that for some endpoints the error situation is the e-mail already being -# used, and for others the error is entering the e-mail being unused. -# If this option is enabled, instead of returning an error, these endpoints will -# act as if no error happened and return a fake session ID ('sid') to clients. -# -#request_token_inhibit_3pid_errors: true - -# A list of domains that the domain portion of 'next_link' parameters -# must match. -# -# This parameter is optionally provided by clients while requesting -# validation of an email or phone number, and maps to a link that -# users will be automatically redirected to after validation -# succeeds. Clients can make use this parameter to aid the validation -# process. -# -# The whitelist is applied whether the homeserver or an -# identity server is handling validation. -# -# The default value is no whitelist functionality; all domains are -# allowed. Setting this value to an empty list will instead disallow -# all domains. -# -#next_link_domain_whitelist: ["matrix.org"] - -# Templates to use when generating email or HTML page contents. -# -templates: - # Directory in which Synapse will try to find template files to use to generate - # email or HTML page contents. - # If not set, or a file is not found within the template directory, a default - # template from within the Synapse package will be used. - # - # See https://matrix-org.github.io/synapse/latest/templates.html for more - # information about using custom templates. - # - #custom_template_directory: /path/to/custom/templates/ - ## TLS ## diff --git a/synapse/config/_base.pyi b/synapse/config/_base.pyi index 06fbd1166..c1d906979 100644 --- a/synapse/config/_base.pyi +++ b/synapse/config/_base.pyi @@ -26,6 +26,7 @@ from synapse.config import ( redis, registration, repository, + retention, room_directory, saml2, server, @@ -91,6 +92,7 @@ class RootConfig: modules: modules.ModulesConfig caches: cache.CacheConfig federation: federation.FederationConfig + retention: retention.RetentionConfig config_classes: List = ... def __init__(self) -> None: ... diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py index 7b0381c06..b013a3918 100644 --- a/synapse/config/experimental.py +++ b/synapse/config/experimental.py @@ -24,6 +24,9 @@ class ExperimentalConfig(Config): def read_config(self, config: JsonDict, **kwargs): experimental = config.get("experimental_features") or {} + # Whether to enable experimental MSC1849 (aka relations) support + self.msc1849_enabled = config.get("experimental_msc1849_support_enabled", True) + # MSC3026 (busy presence state) self.msc3026_enabled: bool = experimental.get("msc3026_enabled", False) diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py index 442f1b9ac..001605c26 100644 --- a/synapse/config/homeserver.py +++ b/synapse/config/homeserver.py @@ -38,6 +38,7 @@ from .ratelimiting import RatelimitConfig from .redis import RedisConfig from .registration import RegistrationConfig from .repository import ContentRepositoryConfig +from .retention import RetentionConfig from .room import RoomConfig from .room_directory import RoomDirectoryConfig from .saml2 import SAML2Config @@ -59,6 +60,7 @@ class HomeServerConfig(RootConfig): config_classes = [ ModulesConfig, ServerConfig, + RetentionConfig, TlsConfig, FederationConfig, CacheConfig, diff --git a/synapse/config/retention.py b/synapse/config/retention.py new file mode 100644 index 000000000..aed9bf458 --- /dev/null +++ b/synapse/config/retention.py @@ -0,0 +1,226 @@ +# Copyright 2021 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import logging +from typing import List, Optional + +import attr + +from synapse.config._base import Config, ConfigError + +logger = logging.getLogger(__name__) + + +@attr.s(slots=True, frozen=True, auto_attribs=True) +class RetentionPurgeJob: + """Object describing the configuration of the manhole""" + + interval: int + shortest_max_lifetime: Optional[int] + longest_max_lifetime: Optional[int] + + +class RetentionConfig(Config): + section = "retention" + + def read_config(self, config, **kwargs): + retention_config = config.get("retention") + if retention_config is None: + retention_config = {} + + self.retention_enabled = retention_config.get("enabled", False) + + retention_default_policy = retention_config.get("default_policy") + + if retention_default_policy is not None: + self.retention_default_min_lifetime = retention_default_policy.get( + "min_lifetime" + ) + if self.retention_default_min_lifetime is not None: + self.retention_default_min_lifetime = self.parse_duration( + self.retention_default_min_lifetime + ) + + self.retention_default_max_lifetime = retention_default_policy.get( + "max_lifetime" + ) + if self.retention_default_max_lifetime is not None: + self.retention_default_max_lifetime = self.parse_duration( + self.retention_default_max_lifetime + ) + + if ( + self.retention_default_min_lifetime is not None + and self.retention_default_max_lifetime is not None + and ( + self.retention_default_min_lifetime + > self.retention_default_max_lifetime + ) + ): + raise ConfigError( + "The default retention policy's 'min_lifetime' can not be greater" + " than its 'max_lifetime'" + ) + else: + self.retention_default_min_lifetime = None + self.retention_default_max_lifetime = None + + if self.retention_enabled: + logger.info( + "Message retention policies support enabled with the following default" + " policy: min_lifetime = %s ; max_lifetime = %s", + self.retention_default_min_lifetime, + self.retention_default_max_lifetime, + ) + + self.retention_allowed_lifetime_min = retention_config.get( + "allowed_lifetime_min" + ) + if self.retention_allowed_lifetime_min is not None: + self.retention_allowed_lifetime_min = self.parse_duration( + self.retention_allowed_lifetime_min + ) + + self.retention_allowed_lifetime_max = retention_config.get( + "allowed_lifetime_max" + ) + if self.retention_allowed_lifetime_max is not None: + self.retention_allowed_lifetime_max = self.parse_duration( + self.retention_allowed_lifetime_max + ) + + if ( + self.retention_allowed_lifetime_min is not None + and self.retention_allowed_lifetime_max is not None + and self.retention_allowed_lifetime_min + > self.retention_allowed_lifetime_max + ): + raise ConfigError( + "Invalid retention policy limits: 'allowed_lifetime_min' can not be" + " greater than 'allowed_lifetime_max'" + ) + + self.retention_purge_jobs: List[RetentionPurgeJob] = [] + for purge_job_config in retention_config.get("purge_jobs", []): + interval_config = purge_job_config.get("interval") + + if interval_config is None: + raise ConfigError( + "A retention policy's purge jobs configuration must have the" + " 'interval' key set." + ) + + interval = self.parse_duration(interval_config) + + shortest_max_lifetime = purge_job_config.get("shortest_max_lifetime") + + if shortest_max_lifetime is not None: + shortest_max_lifetime = self.parse_duration(shortest_max_lifetime) + + longest_max_lifetime = purge_job_config.get("longest_max_lifetime") + + if longest_max_lifetime is not None: + longest_max_lifetime = self.parse_duration(longest_max_lifetime) + + if ( + shortest_max_lifetime is not None + and longest_max_lifetime is not None + and shortest_max_lifetime > longest_max_lifetime + ): + raise ConfigError( + "A retention policy's purge jobs configuration's" + " 'shortest_max_lifetime' value can not be greater than its" + " 'longest_max_lifetime' value." + ) + + self.retention_purge_jobs.append( + RetentionPurgeJob(interval, shortest_max_lifetime, longest_max_lifetime) + ) + + if not self.retention_purge_jobs: + self.retention_purge_jobs = [ + RetentionPurgeJob(self.parse_duration("1d"), None, None) + ] + + def generate_config_section(self, config_dir_path, server_name, **kwargs): + return """\ + # Message retention policy at the server level. + # + # Room admins and mods can define a retention period for their rooms using the + # 'm.room.retention' state event, and server admins can cap this period by setting + # the 'allowed_lifetime_min' and 'allowed_lifetime_max' config options. + # + # If this feature is enabled, Synapse will regularly look for and purge events + # which are older than the room's maximum retention period. Synapse will also + # filter events received over federation so that events that should have been + # purged are ignored and not stored again. + # + retention: + # The message retention policies feature is disabled by default. Uncomment the + # following line to enable it. + # + #enabled: true + + # Default retention policy. If set, Synapse will apply it to rooms that lack the + # 'm.room.retention' state event. Currently, the value of 'min_lifetime' doesn't + # matter much because Synapse doesn't take it into account yet. + # + #default_policy: + # min_lifetime: 1d + # max_lifetime: 1y + + # Retention policy limits. If set, and the state of a room contains a + # 'm.room.retention' event in its state which contains a 'min_lifetime' or a + # 'max_lifetime' that's out of these bounds, Synapse will cap the room's policy + # to these limits when running purge jobs. + # + #allowed_lifetime_min: 1d + #allowed_lifetime_max: 1y + + # Server admins can define the settings of the background jobs purging the + # events which lifetime has expired under the 'purge_jobs' section. + # + # If no configuration is provided, a single job will be set up to delete expired + # events in every room daily. + # + # Each job's configuration defines which range of message lifetimes the job + # takes care of. For example, if 'shortest_max_lifetime' is '2d' and + # 'longest_max_lifetime' is '3d', the job will handle purging expired events in + # rooms whose state defines a 'max_lifetime' that's both higher than 2 days, and + # lower than or equal to 3 days. Both the minimum and the maximum value of a + # range are optional, e.g. a job with no 'shortest_max_lifetime' and a + # 'longest_max_lifetime' of '3d' will handle every room with a retention policy + # which 'max_lifetime' is lower than or equal to three days. + # + # The rationale for this per-job configuration is that some rooms might have a + # retention policy with a low 'max_lifetime', where history needs to be purged + # of outdated messages on a more frequent basis than for the rest of the rooms + # (e.g. every 12h), but not want that purge to be performed by a job that's + # iterating over every room it knows, which could be heavy on the server. + # + # If any purge job is configured, it is strongly recommended to have at least + # a single job with neither 'shortest_max_lifetime' nor 'longest_max_lifetime' + # set, or one job without 'shortest_max_lifetime' and one job without + # 'longest_max_lifetime' set. Otherwise some rooms might be ignored, even if + # 'allowed_lifetime_min' and 'allowed_lifetime_max' are set, because capping a + # room's policy to these values is done after the policies are retrieved from + # Synapse's database (which is done using the range specified in a purge job's + # configuration). + # + #purge_jobs: + # - longest_max_lifetime: 3d + # interval: 12h + # - shortest_max_lifetime: 3d + # interval: 1d + """ diff --git a/synapse/config/server.py b/synapse/config/server.py index 818b80635..ed094bdc4 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -225,15 +225,6 @@ class ManholeConfig: pub_key: Optional[Key] -@attr.s(slots=True, frozen=True, auto_attribs=True) -class RetentionConfig: - """Object describing the configuration of the manhole""" - - interval: int - shortest_max_lifetime: Optional[int] - longest_max_lifetime: Optional[int] - - @attr.s(frozen=True) class LimitRemoteRoomsConfig: enabled: bool = attr.ib(validator=attr.validators.instance_of(bool), default=False) @@ -376,11 +367,6 @@ class ServerConfig(Config): # (other than those sent by local server admins) self.block_non_admin_invites = config.get("block_non_admin_invites", False) - # Whether to enable experimental MSC1849 (aka relations) support - self.experimental_msc1849_support_enabled = config.get( - "experimental_msc1849_support_enabled", True - ) - # Options to control access by tracking MAU self.limit_usage_by_mau = config.get("limit_usage_by_mau", False) self.max_mau_value = 0 @@ -466,124 +452,6 @@ class ServerConfig(Config): # events with profile information that differ from the target's global profile. self.allow_per_room_profiles = config.get("allow_per_room_profiles", True) - retention_config = config.get("retention") - if retention_config is None: - retention_config = {} - - self.retention_enabled = retention_config.get("enabled", False) - - retention_default_policy = retention_config.get("default_policy") - - if retention_default_policy is not None: - self.retention_default_min_lifetime = retention_default_policy.get( - "min_lifetime" - ) - if self.retention_default_min_lifetime is not None: - self.retention_default_min_lifetime = self.parse_duration( - self.retention_default_min_lifetime - ) - - self.retention_default_max_lifetime = retention_default_policy.get( - "max_lifetime" - ) - if self.retention_default_max_lifetime is not None: - self.retention_default_max_lifetime = self.parse_duration( - self.retention_default_max_lifetime - ) - - if ( - self.retention_default_min_lifetime is not None - and self.retention_default_max_lifetime is not None - and ( - self.retention_default_min_lifetime - > self.retention_default_max_lifetime - ) - ): - raise ConfigError( - "The default retention policy's 'min_lifetime' can not be greater" - " than its 'max_lifetime'" - ) - else: - self.retention_default_min_lifetime = None - self.retention_default_max_lifetime = None - - if self.retention_enabled: - logger.info( - "Message retention policies support enabled with the following default" - " policy: min_lifetime = %s ; max_lifetime = %s", - self.retention_default_min_lifetime, - self.retention_default_max_lifetime, - ) - - self.retention_allowed_lifetime_min = retention_config.get( - "allowed_lifetime_min" - ) - if self.retention_allowed_lifetime_min is not None: - self.retention_allowed_lifetime_min = self.parse_duration( - self.retention_allowed_lifetime_min - ) - - self.retention_allowed_lifetime_max = retention_config.get( - "allowed_lifetime_max" - ) - if self.retention_allowed_lifetime_max is not None: - self.retention_allowed_lifetime_max = self.parse_duration( - self.retention_allowed_lifetime_max - ) - - if ( - self.retention_allowed_lifetime_min is not None - and self.retention_allowed_lifetime_max is not None - and self.retention_allowed_lifetime_min - > self.retention_allowed_lifetime_max - ): - raise ConfigError( - "Invalid retention policy limits: 'allowed_lifetime_min' can not be" - " greater than 'allowed_lifetime_max'" - ) - - self.retention_purge_jobs: List[RetentionConfig] = [] - for purge_job_config in retention_config.get("purge_jobs", []): - interval_config = purge_job_config.get("interval") - - if interval_config is None: - raise ConfigError( - "A retention policy's purge jobs configuration must have the" - " 'interval' key set." - ) - - interval = self.parse_duration(interval_config) - - shortest_max_lifetime = purge_job_config.get("shortest_max_lifetime") - - if shortest_max_lifetime is not None: - shortest_max_lifetime = self.parse_duration(shortest_max_lifetime) - - longest_max_lifetime = purge_job_config.get("longest_max_lifetime") - - if longest_max_lifetime is not None: - longest_max_lifetime = self.parse_duration(longest_max_lifetime) - - if ( - shortest_max_lifetime is not None - and longest_max_lifetime is not None - and shortest_max_lifetime > longest_max_lifetime - ): - raise ConfigError( - "A retention policy's purge jobs configuration's" - " 'shortest_max_lifetime' value can not be greater than its" - " 'longest_max_lifetime' value." - ) - - self.retention_purge_jobs.append( - RetentionConfig(interval, shortest_max_lifetime, longest_max_lifetime) - ) - - if not self.retention_purge_jobs: - self.retention_purge_jobs = [ - RetentionConfig(self.parse_duration("1d"), None, None) - ] - self.listeners = [parse_listener_def(x) for x in config.get("listeners", [])] # no_tls is not really supported any more, but let's grandfather it in @@ -1255,75 +1123,6 @@ class ServerConfig(Config): # #user_ips_max_age: 14d - # Message retention policy at the server level. - # - # Room admins and mods can define a retention period for their rooms using the - # 'm.room.retention' state event, and server admins can cap this period by setting - # the 'allowed_lifetime_min' and 'allowed_lifetime_max' config options. - # - # If this feature is enabled, Synapse will regularly look for and purge events - # which are older than the room's maximum retention period. Synapse will also - # filter events received over federation so that events that should have been - # purged are ignored and not stored again. - # - retention: - # The message retention policies feature is disabled by default. Uncomment the - # following line to enable it. - # - #enabled: true - - # Default retention policy. If set, Synapse will apply it to rooms that lack the - # 'm.room.retention' state event. Currently, the value of 'min_lifetime' doesn't - # matter much because Synapse doesn't take it into account yet. - # - #default_policy: - # min_lifetime: 1d - # max_lifetime: 1y - - # Retention policy limits. If set, and the state of a room contains a - # 'm.room.retention' event in its state which contains a 'min_lifetime' or a - # 'max_lifetime' that's out of these bounds, Synapse will cap the room's policy - # to these limits when running purge jobs. - # - #allowed_lifetime_min: 1d - #allowed_lifetime_max: 1y - - # Server admins can define the settings of the background jobs purging the - # events which lifetime has expired under the 'purge_jobs' section. - # - # If no configuration is provided, a single job will be set up to delete expired - # events in every room daily. - # - # Each job's configuration defines which range of message lifetimes the job - # takes care of. For example, if 'shortest_max_lifetime' is '2d' and - # 'longest_max_lifetime' is '3d', the job will handle purging expired events in - # rooms whose state defines a 'max_lifetime' that's both higher than 2 days, and - # lower than or equal to 3 days. Both the minimum and the maximum value of a - # range are optional, e.g. a job with no 'shortest_max_lifetime' and a - # 'longest_max_lifetime' of '3d' will handle every room with a retention policy - # which 'max_lifetime' is lower than or equal to three days. - # - # The rationale for this per-job configuration is that some rooms might have a - # retention policy with a low 'max_lifetime', where history needs to be purged - # of outdated messages on a more frequent basis than for the rest of the rooms - # (e.g. every 12h), but not want that purge to be performed by a job that's - # iterating over every room it knows, which could be heavy on the server. - # - # If any purge job is configured, it is strongly recommended to have at least - # a single job with neither 'shortest_max_lifetime' nor 'longest_max_lifetime' - # set, or one job without 'shortest_max_lifetime' and one job without - # 'longest_max_lifetime' set. Otherwise some rooms might be ignored, even if - # 'allowed_lifetime_min' and 'allowed_lifetime_max' are set, because capping a - # room's policy to these values is done after the policies are retrieved from - # Synapse's database (which is done using the range specified in a purge job's - # configuration). - # - #purge_jobs: - # - longest_max_lifetime: 3d - # interval: 12h - # - shortest_max_lifetime: 3d - # interval: 1d - # Inhibits the /requestToken endpoints from returning an error that might leak # information about whether an e-mail address is in use or not on this # homeserver. diff --git a/synapse/events/utils.py b/synapse/events/utils.py index 23bd24d96..3f3eba86a 100644 --- a/synapse/events/utils.py +++ b/synapse/events/utils.py @@ -385,9 +385,7 @@ class EventClientSerializer: def __init__(self, hs: "HomeServer"): self.store = hs.get_datastore() - self.experimental_msc1849_support_enabled = ( - hs.config.server.experimental_msc1849_support_enabled - ) + self._msc1849_enabled = hs.config.experimental.msc1849_enabled async def serialize_event( self, @@ -418,7 +416,7 @@ class EventClientSerializer: # we need to bundle in with the event. # Do not bundle relations if the event has been redacted if not event.internal_metadata.is_redacted() and ( - self.experimental_msc1849_support_enabled and bundle_aggregations + self._msc1849_enabled and bundle_aggregations ): annotations = await self.store.get_aggregation_groups_for_event(event_id) references = await self.store.get_relations_for_event( diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py index 176e4dfdd..60ff89638 100644 --- a/synapse/handlers/pagination.py +++ b/synapse/handlers/pagination.py @@ -86,19 +86,22 @@ class PaginationHandler: self._event_serializer = hs.get_event_client_serializer() self._retention_default_max_lifetime = ( - hs.config.server.retention_default_max_lifetime + hs.config.retention.retention_default_max_lifetime ) self._retention_allowed_lifetime_min = ( - hs.config.server.retention_allowed_lifetime_min + hs.config.retention.retention_allowed_lifetime_min ) self._retention_allowed_lifetime_max = ( - hs.config.server.retention_allowed_lifetime_max + hs.config.retention.retention_allowed_lifetime_max ) - if hs.config.worker.run_background_tasks and hs.config.server.retention_enabled: + if ( + hs.config.worker.run_background_tasks + and hs.config.retention.retention_enabled + ): # Run the purge jobs described in the configuration file. - for job in hs.config.server.retention_purge_jobs: + for job in hs.config.retention.retention_purge_jobs: logger.info("Setting up purge job with config: %s", job) self.clock.looping_call( diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py index d69eaf80c..835d7889c 100644 --- a/synapse/storage/databases/main/room.py +++ b/synapse/storage/databases/main/room.py @@ -679,8 +679,8 @@ class RoomWorkerStore(SQLBaseStore): # policy. if not ret: return { - "min_lifetime": self.config.server.retention_default_min_lifetime, - "max_lifetime": self.config.server.retention_default_max_lifetime, + "min_lifetime": self.config.retention.retention_default_min_lifetime, + "max_lifetime": self.config.retention.retention_default_max_lifetime, } row = ret[0] @@ -690,10 +690,10 @@ class RoomWorkerStore(SQLBaseStore): # The default values will be None if no default policy has been defined, or if one # of the attributes is missing from the default policy. if row["min_lifetime"] is None: - row["min_lifetime"] = self.config.server.retention_default_min_lifetime + row["min_lifetime"] = self.config.retention.retention_default_min_lifetime if row["max_lifetime"] is None: - row["max_lifetime"] = self.config.server.retention_default_max_lifetime + row["max_lifetime"] = self.config.retention.retention_default_max_lifetime return row