Configuration format v1 (#1230)

* Initial pass at refactoring config (not finished)

* Don't forget current state and EDU servers

* More shifting around

* Update server key API tests

* Fix roomserver test

* Fix more tests

* Further tweaks

* Fix current state server test (sort of)

* Maybe fix appservices

* Fix client API test

* Include database connection string in database options

* Fix sync API build

* Update config test

* Fix unit tests

* Fix federation sender build

* Fix gobind build

* Set Listen address for all services in HTTP monolith mode

* Validate config, reinstate appservice derived in directory, tweaks

* Tweak federation API test

* Set MaxOpenConnections/MaxIdleConnections to previous values

* Update generate-config

roomserver/internal/api.go

@@ -14,7 +14,7 @@ import (
 // RoomserverInternalAPI is an implementation of api.RoomserverInternalAPI
 type RoomserverInternalAPI struct {
 	DB                   storage.Database
-	Cfg                  *config.Dendrite
+	Cfg                  *config.RoomServer
 	Producer             sarama.SyncProducer
 	Cache                caching.RoomVersionCache
 	ServerName           gomatrixserverlib.ServerName

roomserver/internal/perform_join.go

@@ -189,12 +189,12 @@ func (r *RoomserverInternalAPI) performJoinRoomByID(
 	// but everyone has since left. I suspect it does the wrong thing.
 	buildRes := api.QueryLatestEventsAndStateResponse{}
 	event, err := eventutil.BuildEvent(
-		ctx,        // the request context
-		&eb,        // the template join event
-		r.Cfg,      // the server configuration
-		time.Now(), // the event timestamp to use
-		r,          // the roomserver API to use
-		&buildRes,  // the query response
+		ctx,          // the request context
+		&eb,          // the template join event
+		r.Cfg.Matrix, // the server configuration
+		time.Now(),   // the event timestamp to use
+		r,            // the roomserver API to use
+		&buildRes,    // the query response
 	)
 
 	switch err {

roomserver/internal/perform_leave.go

@@ -99,12 +99,12 @@ func (r *RoomserverInternalAPI) performLeaveRoomByID(
 	// but everyone has since left. I suspect it does the wrong thing.
 	buildRes := api.QueryLatestEventsAndStateResponse{}
 	event, err := eventutil.BuildEvent(
-		ctx,        // the request context
-		&eb,        // the template leave event
-		r.Cfg,      // the server configuration
-		time.Now(), // the event timestamp to use
-		r,          // the roomserver API to use
-		&buildRes,  // the query response
+		ctx,          // the request context
+		&eb,          // the template leave event
+		r.Cfg.Matrix, // the server configuration
+		time.Now(),   // the event timestamp to use
+		r,            // the roomserver API to use
+		&buildRes,    // the query response
 	)
 	if err != nil {
 		return fmt.Errorf("eventutil.BuildEvent: %w", err)