configurable paths

app/views/server_templates/show.html.slim

@@ -19,7 +19,7 @@
           li
             = to.overlay.name
             span.small
-              | (dir: /opt/l4d2/overlays/#{to.overlay.slug})
+              | (dir: #{L4dServer::Config.overlay_path(to.overlay.slug)})
             = link_to "Remove", server_template_overlay_path(@server_template, to.overlay), method: :delete, data: { confirm: "Sure?" }, class: "btn btn--small btn--danger"
     - else
       p No overlays selected.

config/initializers/l4d_server.rb

@@ -1,3 +1,49 @@
+# Configuration for L4D2 server paths
+module L4dServer
+  class Config
+    class << self
+      # Base directory for all L4D2 server files
+      def base_path
+        @base_path ||= ENV.fetch("L4D2_BASE_PATH", "/opt/l4d2")
+      end
+
+      def base_path=(path)
+        @base_path = path
+      end
+
+      # Directory containing the base L4D2 installation
+      def installation_path
+        File.join(base_path, "installation")
+      end
+
+      # Directory containing overlay filesystems
+      def overlays_path
+        File.join(base_path, "overlays")
+      end
+
+      # Directory containing individual server instances
+      def servers_path
+        File.join(base_path, "servers")
+      end
+
+      # Directory containing helper scripts (start-server, stop-server)
+      def bin_path
+        File.join(base_path, "bin")
+      end
+
+      # Full path to a specific server directory
+      def server_path(server_id)
+        File.join(servers_path, server_id.to_s)
+      end
+
+      # Full path to a specific overlay directory
+      def overlay_path(slug)
+        File.join(overlays_path, slug)
+      end
+    end
+  end
+end
+
 systemd_user_dir = File.expand_path("~/.config/systemd/user")
 
 unless Dir.exist?(systemd_user_dir)

lib/l4d_server/config_generator.rb

@@ -20,7 +20,7 @@ module L4dServer
     end
 
     def config_file_path
-      "/opt/l4d2/servers/#{@server.id}/server.cfg"
+      "#{L4dServer::Config.server_path(@server.id)}/server.cfg"
     end
 
     private

lib/l4d_server/launcher.rb

@@ -34,7 +34,7 @@ module L4dServer
     private
 
     def setup_directories
-      server_dir = "/opt/l4d2/servers/#{@server.id}"
+      server_dir = L4dServer::Config.server_path(@server.id)
       FileUtils.mkdir_p("#{server_dir}/upper")
       FileUtils.mkdir_p("#{server_dir}/work")
       FileUtils.mkdir_p("#{server_dir}/merged")
@@ -45,9 +45,9 @@ module L4dServer
     end
 
     def mount_overlayfs
-      server_dir = "/opt/l4d2/servers/#{@server.id}"
-      overlays = @template.template_overlays.ordered.map { |to| "/opt/l4d2/overlays/#{to.overlay.slug}" }.join(":")
-      lower_dirs = "#{overlays}:/opt/l4d2/installation"
+      server_dir = L4dServer::Config.server_path(@server.id)
+      overlays = @template.template_overlays.ordered.map { |to| L4dServer::Config.overlay_path(to.overlay.slug) }.join(":")
+      lower_dirs = "#{overlays}:#{L4dServer::Config.installation_path}"
 
       mount_cmd = "fuse-overlayfs -o lowerdir=#{lower_dirs},upperdir=#{server_dir}/upper,workdir=#{server_dir}/work #{server_dir}/merged"
 
@@ -65,7 +65,7 @@ module L4dServer
     end
 
     def unmount_overlayfs
-      server_dir = "/opt/l4d2/servers/#{@server.id}"
+      server_dir = L4dServer::Config.server_path(@server.id)
       merged = "#{server_dir}/merged"
 
       if Dir.exist?(merged)
@@ -76,7 +76,7 @@ module L4dServer
     end
 
     def cleanup_directories
-      server_dir = "/opt/l4d2/servers/#{@server.id}"
+      server_dir = L4dServer::Config.server_path(@server.id)
       FileUtils.rm_rf(server_dir) if Dir.exist?(server_dir)
     rescue StandardError => e
       Rails.logger.warn("Failed to cleanup directories: #{e.message}")

lib/l4d_server/systemd_manager.rb

@@ -94,8 +94,8 @@ module L4dServer
         [Service]
         Type=simple
         User=steam
-        ExecStart=/opt/l4d2/bin/start-server #{@server.id}
-        ExecStop=/opt/l4d2/bin/stop-server #{@server.id}
+        ExecStart=#{L4dServer::Config.bin_path}/start-server #{@server.id}
+        ExecStop=#{L4dServer::Config.bin_path}/stop-server #{@server.id}
         Restart=on-failure
         RestartSec=10
         Nice=-10