fix(sessds): Rename session_persistence to durable_sessions

apps/emqx/integration_test/emqx_persistent_session_ds_SUITE.erl

@@ -56,7 +56,7 @@ init_per_testcase(t_session_gc = TestCase, Config) ->
         n => 3,
         roles => [core, core, core],
         extra_emqx_conf =>
-            "\n session_persistence {"
+            "\n durable_sessions {"
             "\n   last_alive_update_interval = 500ms "
             "\n   session_gc_interval = 1s "
             "\n   session_gc_batch_size = 2 "
@@ -116,7 +116,7 @@ app_specs() ->
     app_specs(_Opts = #{}).
 
 app_specs(Opts) ->
-    DefaultEMQXConf = "session_persistence {enable = true, renew_streams_interval = 1s}",
+    DefaultEMQXConf = "durable_sessions {enable = true, renew_streams_interval = 1s}",
     ExtraEMQXConf = maps:get(extra_emqx_conf, Opts, ""),
     [
         {emqx, DefaultEMQXConf ++ ExtraEMQXConf}

apps/emqx/src/emqx_persistent_message.erl

@@ -58,7 +58,7 @@ is_persistence_enabled() ->
 
 -spec is_persistence_enabled(emqx_types:zone()) -> boolean().
 is_persistence_enabled(Zone) ->
-    emqx_config:get_zone_conf(Zone, [session_persistence, enable]).
+    emqx_config:get_zone_conf(Zone, [durable_sessions, enable]).
 
 -spec storage_backend() -> emqx_ds:create_db_opts().
 storage_backend() ->
@@ -68,7 +68,7 @@ storage_backend() ->
 %% `emqx_persistent_session_ds':
 -spec force_ds(emqx_types:zone()) -> boolean().
 force_ds(Zone) ->
-    emqx_config:get_zone_conf(Zone, [session_persistence, force_persistence]).
+    emqx_config:get_zone_conf(Zone, [durable_sessions, force_persistence]).
 
 storage_backend(Path) ->
     ConfigTree = #{'_config_handler' := {Module, Function}} = emqx_config:get(Path),
@@ -78,12 +78,12 @@ storage_backend(Path) ->
 
 -spec add_handler() -> ok.
 add_handler() ->
-    emqx_config_handler:add_handler([session_persistence], ?MODULE).
+    emqx_config_handler:add_handler([durable_sessions], ?MODULE).
 
-pre_config_update([session_persistence], #{<<"enable">> := New}, #{<<"enable">> := Old}) when
+pre_config_update([durable_sessions], #{<<"enable">> := New}, #{<<"enable">> := Old}) when
     New =/= Old
 ->
-    {error, "Hot update of session_persistence.enable parameter is currently not supported"};
+    {error, "Hot update of durable_sessions.enable parameter is currently not supported"};
 pre_config_update(_Root, _NewConf, _OldConf) ->
     ok.
 

apps/emqx/src/emqx_persistent_message_ds_gc_worker.erl

@@ -81,7 +81,7 @@ handle_info(_Info, State) ->
 %%--------------------------------------------------------------------------------
 
 ensure_gc_timer() ->
-    Timeout = emqx_config:get([session_persistence, message_retention_period]),
+    Timeout = emqx_config:get([durable_sessions, message_retention_period]),
     _ = erlang:send_after(Timeout, self(), #gc{}),
     ok.
 
@@ -114,7 +114,7 @@ now_ms() ->
 maybe_gc() ->
     AllGens = emqx_ds:list_generations_with_lifetimes(?PERSISTENT_MESSAGE_DB),
     NowMS = now_ms(),
-    RetentionPeriod = emqx_config:get([session_persistence, message_retention_period]),
+    RetentionPeriod = emqx_config:get([durable_sessions, message_retention_period]),
     TimeThreshold = NowMS - RetentionPeriod,
     maybe_create_new_generation(AllGens, TimeThreshold),
     ?tp_span(

apps/emqx/src/emqx_persistent_session_bookkeeper.erl

@@ -102,6 +102,6 @@ tally_persistent_subscriptions(State0) ->
     State0#{subs_count := N}.
 
 ensure_subs_tally_timer() ->
-    Timeout = emqx_config:get([session_persistence, subscription_count_refresh_interval]),
+    Timeout = emqx_config:get([durable_sessions, subscription_count_refresh_interval]),
     _ = erlang:send_after(Timeout, self(), #tally_subs{}),
     ok.

apps/emqx/src/emqx_persistent_session_ds.erl

@@ -1150,10 +1150,10 @@ expiry_interval(ConnInfo) ->
 %% zone, since the GC process is responsible for all sessions
 %% regardless of the zone.
 bump_interval() ->
-    emqx_config:get([session_persistence, last_alive_update_interval]).
+    emqx_config:get([durable_sessions, last_alive_update_interval]).
 
 get_config(#{zone := Zone}, Key) ->
-    emqx_config:get_zone_conf(Zone, [session_persistence | Key]).
+    emqx_config:get_zone_conf(Zone, [durable_sessions | Key]).
 
 -spec try_get_live_session(emqx_types:clientid()) ->
     {pid(), session()} | not_found | not_persistent.

apps/emqx/src/emqx_persistent_session_ds_gc_worker.erl

@@ -93,7 +93,7 @@ handle_info(_Info, State) ->
 %%--------------------------------------------------------------------------------
 
 ensure_gc_timer() ->
-    Timeout = emqx_config:get([session_persistence, session_gc_interval]),
+    Timeout = emqx_config:get([durable_sessions, session_gc_interval]),
     _ = erlang:send_after(Timeout, self(), #gc{}),
     ok.
 
@@ -133,8 +133,8 @@ start_gc() ->
     ).
 
 gc_context() ->
-    GCInterval = emqx_config:get([session_persistence, session_gc_interval]),
-    BumpInterval = emqx_config:get([session_persistence, last_alive_update_interval]),
+    GCInterval = emqx_config:get([durable_sessions, session_gc_interval]),
+    BumpInterval = emqx_config:get([durable_sessions, last_alive_update_interval]),
     TimeThreshold = max(GCInterval, BumpInterval) * 3,
     NowMS = now_ms(),
     #{
@@ -149,7 +149,7 @@ gc_context() ->
     }.
 
 gc_loop(MinLastAlive, MinLastAliveWillMsg, It0) ->
-    GCBatchSize = emqx_config:get([session_persistence, session_gc_batch_size]),
+    GCBatchSize = emqx_config:get([durable_sessions, session_gc_batch_size]),
     case emqx_persistent_session_ds_state:session_iterator_next(It0, GCBatchSize) of
         {[], _It} ->
             ok;

apps/emqx/src/emqx_schema.erl

@@ -303,9 +303,9 @@ roots(low) ->
                     converter => fun flapping_detect_converter/2
                 }
             )},
-        {session_persistence,
+        {durable_sessions,
             sc(
-                ref("session_persistence"),
+                ref("durable_sessions"),
                 #{
                     importance => ?IMPORTANCE_HIDDEN
                 }
@@ -1652,12 +1652,12 @@ fields("trace") ->
                 desc => ?DESC(fields_trace_payload_encode)
             })}
     ];
-fields("session_persistence") ->
+fields("durable_sessions") ->
     [
         {"enable",
             sc(
                 boolean(), #{
-                    desc => ?DESC(session_persistence_enable),
+                    desc => ?DESC(durable_sessions_enable),
                     default => false
                 }
             )},
@@ -2091,7 +2091,7 @@ desc("ocsp") ->
     "Per listener OCSP Stapling configuration.";
 desc("crl_cache") ->
     "Global CRL cache options.";
-desc("session_persistence") ->
+desc("durable_sessions") ->
     "Settings governing durable sessions persistence.";
 desc(durable_storage) ->
     ?DESC(durable_storage);

apps/emqx/src/emqx_zone_schema.erl

@@ -34,7 +34,7 @@ roots() ->
         conn_congestion,
         force_gc,
         overload_protection,
-        session_persistence
+        durable_sessions
     ].
 
 zones_without_default() ->

apps/emqx/test/emqx_config_SUITE.erl

@@ -465,7 +465,7 @@ zone_global_defaults() ->
                 enable => false
             },
         stats => #{enable => true},
-        session_persistence =>
+        durable_sessions =>
             #{
                 enable => false,
                 batch_size => 100,

apps/emqx/test/emqx_persistent_messages_SUITE.erl

@@ -46,7 +46,7 @@ init_per_testcase(t_session_subscription_iterators = TestCase, Config) ->
 init_per_testcase(t_message_gc = TestCase, Config) ->
     Opts = #{
         extra_emqx_conf =>
-            "\n  session_persistence.message_retention_period = 3s"
+            "\n  durable_sessions.message_retention_period = 3s"
             "\n  durable_storage.messages.n_shards = 3"
     },
     common_init_per_testcase(TestCase, [{n_shards, 3} | Config], Opts);
@@ -554,7 +554,7 @@ app_specs(Opts) ->
     ExtraEMQXConf = maps:get(extra_emqx_conf, Opts, ""),
     [
         emqx_durable_storage,
-        {emqx, "session_persistence {enable = true}" ++ ExtraEMQXConf}
+        {emqx, "durable_sessions {enable = true}" ++ ExtraEMQXConf}
     ].
 
 cluster() ->

apps/emqx/test/emqx_persistent_session_SUITE.erl

@@ -68,7 +68,7 @@ groups() ->
 
 init_per_group(persistence_disabled, Config) ->
     [
-        {emqx_config, ?EMQX_CONFIG ++ "session_persistence { enable = false }"},
+        {emqx_config, ?EMQX_CONFIG ++ "durable_sessions { enable = false }"},
         {persistence, false}
         | Config
     ];
@@ -76,7 +76,7 @@ init_per_group(persistence_enabled, Config) ->
     [
         {emqx_config,
             ?EMQX_CONFIG ++
-                "session_persistence {\n"
+                "durable_sessions {\n"
                 "  enable = true\n"
                 "  last_alive_update_interval = 100ms\n"
                 "  renew_streams_interval = 100ms\n"

apps/emqx/test/emqx_persistent_session_ds_router_SUITE.erl

@@ -38,7 +38,7 @@ init_per_suite(Config) ->
     AppSpecs = [
         emqx_durable_storage,
         {emqx, #{
-            config => #{session_persistence => #{enable => true}},
+            config => #{durable_sessions => #{enable => true}},
             override_env => [{boot_modules, [broker]}]
         }}
     ],

apps/emqx/test/emqx_takeover_SUITE.erl

@@ -69,7 +69,7 @@ init_per_group(persistence_enabled = Group, Config) ->
     Apps = emqx_cth_suite:start(
         [
             {emqx,
-                "session_persistence = {\n"
+                "durable_sessions = {\n"
                 "  enable = true\n"
                 "  last_alive_update_interval = 100ms\n"
                 "  renew_streams_interval = 100ms\n"
@@ -85,7 +85,7 @@ init_per_group(persistence_enabled = Group, Config) ->
     ];
 init_per_group(persistence_disabled = Group, Config) ->
     Apps = emqx_cth_suite:start(
-        [{emqx, "session_persistence.enable = false"}],
+        [{emqx, "durable_sessions.enable = false"}],
         #{work_dir => emqx_cth_suite:work_dir(Group, Config)}
     ),
     [

apps/emqx_conf/src/emqx_conf_cli.erl

@@ -208,7 +208,7 @@ hidden_roots() ->
         <<"stats">>,
         <<"broker">>,
         <<"persistent_session_store">>,
-        <<"session_persistence">>,
+        <<"durable_sessions">>,
         <<"plugins">>,
         <<"zones">>
     ].

apps/emqx_dashboard/test/emqx_dashboard_monitor_SUITE.erl

@@ -82,7 +82,7 @@ init_per_group(persistent_sessions = Group, Config) ->
     Apps = emqx_cth_suite:start(
         [
             emqx_conf,
-            {emqx, "session_persistence {enable = true}"},
+            {emqx, "durable_sessions {enable = true}"},
             {emqx_retainer, ?BASE_RETAINER_CONF},
             emqx_management,
             emqx_mgmt_api_test_util:emqx_dashboard(

apps/emqx_management/src/emqx_mgmt_data_backup.erl

@@ -65,7 +65,7 @@
     <<"limiter">>,
     <<"log">>,
     <<"persistent_session_store">>,
-    <<"session_persistence">>,
+    <<"durable_sessions">>,
     <<"prometheus">>,
     <<"crl_cache">>,
     <<"conn_congestion">>,

apps/emqx_management/test/emqx_mgmt_SUITE.erl

@@ -46,7 +46,7 @@ groups() ->
 init_per_group(persistence_disabled, Config) ->
     Apps = emqx_cth_suite:start(
         [
-            {emqx, "session_persistence { enable = false }"},
+            {emqx, "durable_sessions { enable = false }"},
             emqx_management
         ],
         #{work_dir => emqx_cth_suite:work_dir(Config)}
@@ -59,7 +59,7 @@ init_per_group(persistence_enabled, Config) ->
     Apps = emqx_cth_suite:start(
         [
             {emqx,
-                "session_persistence {\n"
+                "durable_sessions {\n"
                 "  enable = true\n"
                 "  last_alive_update_interval = 100ms\n"
                 "  renew_streams_interval = 100ms\n"

apps/emqx_management/test/emqx_mgmt_api_clients_SUITE.erl

@@ -79,7 +79,7 @@ end_per_suite(Config) ->
 
 init_per_group(persistent_sessions, Config) ->
     AppSpecs = [
-        {emqx, "session_persistence.enable = true"},
+        {emqx, "durable_sessions.enable = true"},
         emqx_management
     ],
     Dashboard = emqx_mgmt_api_test_util:emqx_dashboard(

apps/emqx_management/test/emqx_mgmt_api_ds_SUITE.erl

@@ -29,7 +29,7 @@ all() ->
 init_per_suite(Config) ->
     Apps = emqx_cth_suite:start(
         [
-            {emqx, "session_persistence.enable = true"},
+            {emqx, "durable_sessions.enable = true"},
             emqx_management,
             {emqx_dashboard, "dashboard.listeners.http { enable = true, bind = 18083 }"}
         ],

apps/emqx_management/test/emqx_mgmt_api_subscription_SUITE.erl

@@ -61,7 +61,7 @@ init_per_suite(Config) ->
     Apps = emqx_cth_suite:start(
         [
             {emqx,
-                "session_persistence {\n"
+                "durable_sessions {\n"
                 "    enable = true\n"
                 "    renew_streams_interval = 10ms\n"
                 "}"},

apps/emqx_management/test/emqx_mgmt_api_topics_SUITE.erl

@@ -27,7 +27,7 @@ all() ->
 init_per_suite(Config) ->
     Apps = emqx_cth_suite:start(
         [
-            {emqx, "session_persistence.enable = true"},
+            {emqx, "durable_sessions.enable = true"},
             emqx_management,
             emqx_mgmt_api_test_util:emqx_dashboard()
         ],

changes/ce/feat-12739.en.md

@@ -1,2 +1,2 @@
-Make it possible to override `session_persistence` settings per zone.
+Make it possible to override `durable_sessions` settings per zone.
 Since durable sessions are inherently more expensive to maintain than the regular sessions, it's desirable to grant the operator finer control of session durability for different classes of clients.

changes/ce/fix-13060.en.md

@@ -0,0 +1,2 @@
+- Rename durable storage for MQTT messages from `emqx_persistent_message` to  `messages`
+- Rename configuration root from `session_persistence` to `durable_sessions`

rel/i18n/emqx_schema.hocon

@@ -1207,7 +1207,7 @@ base_listener_zone.desc: """~
     - `force_shutdown`
     - `force_gc`
     - `flapping_detect`
-    - `session_persistence`"""
+    - `durable_sessions`"""
 
 base_listener_zone.label: "Zone"
 
@@ -1544,10 +1544,10 @@ resource_tags.label:
 resource_tags.desc:
 """Tags to annotate this config entry."""
 
-session_persistence_enable.label:
+durable_sessions_enable.label:
 """Enable session persistence"""
 
-session_persistence_enable.desc:
+durable_sessions_enable.desc:
 """Use durable storage for client sessions persistence.
 If enabled, sessions configured to outlive client connections, along with their corresponding messages, will be durably stored and survive broker downtime.