Clean up cloudflared service configuration and fix user/permissions

desktop/ftl.host.nix

@@ -7,16 +7,27 @@ let
       remoteHost = "warp.ftl.host";           # Cloudflare hostname
       remoteTarget = "localhost:22";          # Where traffic routes to
       localBindPort = 4401;                   # Local port exposed by cloudflared
-      logPath = "/var/log/cloudflared/warp.log";
+      logDir = "/var/lib/cloudflared";       # Directory for logs
     };
   };
 in {
   # Install cloudflared
   environment.systemPackages = with pkgs; [ cloudflared ];
   
-  # Ensure /var/log/cloudflared exists
+  # Define cloudflared user and group at the top level
+  users.users.cloudflared = {
+    isSystemUser = true;
+    group = "cloudflared";
+    description = "Cloudflared service user";
+    home = "/var/lib/cloudflared";
+    createHome = true;
+  };
+  
+  users.groups.cloudflared = {};
+  
+  # Ensure /var/lib/cloudflared exists with proper permissions
   systemd.tmpfiles.rules = [
-    "d /var/log/cloudflared 0755 root root -"
+    "d /var/lib/cloudflared 0755 cloudflared cloudflared -"
   ];
 
   # Systemd services per tunnel
@@ -26,40 +37,26 @@ in {
     wants = [ "network-online.target" ];
     wantedBy = [ "multi-user.target" ];
     
-    # Create directory for log files
-    preStart = ''
-      mkdir -p "$(dirname ${tunnel.logPath})"
-      touch ${tunnel.logPath}
-      chmod 644 ${tunnel.logPath}
-    '';
-
     serviceConfig = {
-      ExecStart = "${pkgs.cloudflared}/bin/cloudflared access tcp --hostname ${tunnel.remoteHost} --url ${tunnel.remoteTarget} --port ${toString tunnel.localBindPort} --logfile ${tunnel.logPath}";
       # The key setting to ensure the service stays running
       Type = "simple";
+      ExecStart = "${pkgs.cloudflared}/bin/cloudflared access tcp --hostname ${tunnel.remoteHost} --url ${tunnel.remoteTarget} --port ${toString tunnel.localBindPort} --logfile ${tunnel.logDir}/${name}.log";
+      
+      # Automatic restart
       Restart = "always";
       RestartSec = "5s";
-      # Configure service to wait for network
-      After = [ "network-online.target" ];
-      Wants = [ "network-online.target" ];
-      # Run as dedicated user for better security
-      DynamicUser = true;
-      # Configure systemd runtime directory
-      RuntimeDirectory = "cloudflared";
-      RuntimeDirectoryMode = "0700";
+      
+      # Run as cloudflared user
+      User = "cloudflared";
+      Group = "cloudflared";
+      
       # Standard outputs
       StandardOutput = "journal";
       StandardError = "journal";
     };
   }) tunnels;
 
-  # Activation step to ensure log directory exists
-  system.activationScripts.cloudflaredLogs = lib.stringAfter [ "users" ] ''
-    mkdir -p /var/log/cloudflared
-    chmod 755 /var/log/cloudflared
-  '';
-
-  # Optional documentation metadata
+  # Documentation metadata
   meta.doc = ''
     This module defines persistent cloudflared TCP tunnels using access tcp.
     Add tunnels by appending to the `tunnels` attribute set.
@@ -68,6 +65,6 @@ in {
     - remoteHost: The public hostname exposed via Cloudflare Tunnel.
     - remoteTarget: The internal service to forward traffic to (e.g. localhost:22).
     - localBindPort: The port to expose locally (e.g. 4401).
-    - logPath: File path to capture logs.
+    - logDir: Directory path for log files.
   '';
 }