Add admin debug command to manually resync with primary. (#35)

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/debug/commands.rs

@@ -1035,3 +1035,16 @@ pub(super) async fn create_jwt(
 		.map(async |token| self.write_str(&token).await)?
 		.await
 }
+
+#[admin_command]
+pub(super) async fn resync_database(&self) -> Result {
+	if !self.services.db.is_secondary() {
+		return Err!("Not a secondary instance.");
+	}
+
+	self.services
+		.db
+		.db
+		.update()
+		.map_err(|e| err!("Failed to update from primary: {e:?}"))
+}

src/admin/debug/mod.rs

@@ -256,6 +256,9 @@ pub(super) enum DebugCommand {
 		audience: Option<String>,
 	},
 
+	/// - Synchronize database with primary (secondary only)
+	ResyncDatabase,
+
 	/// - Developer test stubs
 	#[command(subcommand)]
 	#[allow(non_snake_case)]