fix: mautrix-mattermost bridge

utils/modules/mautrix-mattermost.nix

@@ -1,3 +1,9 @@
+# Mautrix-Mattermost bridge module (bridgev2 format)
+#
+# Key differences from legacy mautrix bridges (discord, whatsapp, signal):
+# - database is a top-level config key, NOT under appservice
+# - network section required for bridge-specific settings
+# - bridge section has different fields (no username_template, etc.)
 {
   lib,
   config,
@@ -45,10 +51,7 @@ in
                 websocket = false;
                 ping_interval_seconds = 0;
               };
-              description = ''
+              description = "Homeserver configuration.";
-                Homeserver configuration.
-                See the mautrix-mattermost example-config.yaml for more information.
-              '';
             };
 
             appservice = lib.mkOption {
@@ -57,14 +60,6 @@ in
                 address = "http://localhost:29335";
                 hostname = "0.0.0.0";
                 port = 29335;
-                database = {
-                  type = "sqlite3";
-                  uri = "file:${dataDir}/mautrix-mattermost.db?_txlock=immediate";
-                  max_open_conns = 20;
-                  max_idle_conns = 2;
-                  max_conn_idle_time = null;
-                  max_conn_lifetime = null;
-                };
                 id = "mattermost";
                 bot = {
                   username = "mattermostbot";
@@ -73,34 +68,52 @@ in
                 };
                 ephemeral_events = true;
                 async_transactions = false;
+                username_template = "mattermost_{{.}}";
                 as_token = "This value is generated when generating the registration";
                 hs_token = "This value is generated when generating the registration";
               };
-              description = ''
+              description = "Appservice configuration.";
-                Appservice configuration.
+            };
-                See the mautrix-mattermost example-config.yaml for more information.
+
-              '';
+            database = lib.mkOption {
+              type = lib.types.attrs;
+              default = {
+                type = "sqlite3-fk-wal";
+                uri = "file:${dataDir}/mautrix-mattermost.db?_txlock=immediate";
+                max_open_conns = 5;
+                max_idle_conns = 1;
+                max_conn_idle_time = null;
+                max_conn_lifetime = null;
+              };
+              description = "Database configuration (top-level in bridgev2).";
             };
 
             bridge = lib.mkOption {
               type = lib.types.attrs;
               default = {
-                username_template = "mattermost_{{.}}";
                 command_prefix = "!mm";
-                double_puppet_server_map = { };
+                personal_filtering_spaces = true;
-                double_puppet_allow_discovery = false;
+                private_chat_portal_meta = true;
-                login_shared_secret_map = { };
+                relay = {
-                management_room_text = {
+                  enabled = false;
-                  welcome = "Hello, I'm a Mattermost bridge bot.";
+                  admin_only = true;
-                  welcome_connected = "Use `help` for help.";
+                  default_relays = [ ];
-                  welcome_unconnected = "Use `help` for help or `login` to log in.";
-                  additional_help = "";
                 };
-                encryption = {
+                permissions = {
+                  "*" = "relay";
+                };
+              };
+              description = "Bridge configuration (bridgev2 format).";
+            };
+
+            encryption = lib.mkOption {
+              type = lib.types.attrs;
+              default = {
                 allow = false;
                 default = false;
-                  appservice = false;
                 require = false;
+                appservice = false;
+                msc4190 = false;
                 allow_key_sharing = false;
                 plaintext_mentions = false;
                 delete_keys = {
@@ -125,20 +138,15 @@ in
                   disable_device_change_key_rotation = false;
                 };
               };
-                provisioning = {
+              description = "End-to-bridge encryption configuration.";
-                  prefix = "/_matrix/provision";
-                  shared_secret = "generate";
-                  debug_endpoints = false;
             };
-                permissions = {
+
-                  "*" = "relay";
+            network = lib.mkOption {
-                };
+              type = lib.types.attrs;
-              };
+              default = { };
-              description = ''
+              description = "Mattermost-specific network configuration.";
-                Bridge configuration.
-                See the mautrix-mattermost example-config.yaml for more information.
-              '';
             };
+
             logging = lib.mkOption {
               type = lib.types.attrs;
               default = {
@@ -149,10 +157,7 @@ in
                   time_format = " ";
                 };
               };
-              description = ''
+              description = "Logging configuration.";
-                Logging configuration.
-                See the mautrix-mattermost example-config.yaml for more information.
-              '';
             };
           };
         };
@@ -175,9 +180,7 @@ in
       dataDir = lib.mkOption {
         type = lib.types.path;
         default = "/var/lib/mautrix-mattermost";
-        description = ''
+        description = "Directory to store the bridge's configuration and database files.";
-          Directory to store the bridge's configuration and database files.
-        '';
       };
 
       environmentFile = lib.mkOption {
@@ -186,7 +189,6 @@ in
         description = ''
           File containing environment variables to substitute when copying the configuration
           out of Nix store to the `services.mautrix-mattermost.dataDir`.
-          Can be used for storing the secrets without making them available in the Nix store.
         '';
       };
 
@@ -212,9 +214,7 @@ in
         ++ (lib.lists.optional config.services.matrix-synapse.enable config.services.matrix-synapse.serviceUnit)
         ++ (lib.lists.optional (config.services ? matrix-conduit && config.services.matrix-conduit.enable) "matrix-conduit.service")
         ++ (lib.lists.optional (config.services ? dendrite && config.services.dendrite.enable) "dendrite.service");
-        description = ''
+        description = "List of Systemd services to require and wait for when starting the application service.";
-          List of Systemd services to require and wait for when starting the application service.
-        '';
       };
     };
   };
@@ -230,7 +230,7 @@ in
         '';
       }
       {
-        assertion = cfg.settings.bridge.permissions or { } != { };
+        assertion = (cfg.settings.bridge.permissions or { }) != { };
         message = ''
           The option `services.mautrix-mattermost.settings.bridge.permissions` has to be set.
         '';