Merge pull request #241314 from jnsgruk/master

nixos/modules/virtualisation/lxd.nix

@@ -85,6 +85,14 @@ in {
           considered failed and systemd will attempt to restart it.
         '';
       };
+
+      ui = {
+        enable = lib.mkEnableOption (lib.mdDoc ''
+          Enables the (experimental) LXD UI.
+        '');
+
+        package = mkPackageOption pkgs.lxd "ui" { };
+      };
     };
   };
 
@@ -143,6 +151,10 @@ in {
       path = [ pkgs.util-linux ]
         ++ optional cfg.zfsSupport config.boot.zfs.package;
 
+      environment = mkIf (cfg.ui.enable) {
+        "LXD_UI" = cfg.ui.package;
+      };
+
       serviceConfig = {
         ExecStart = "@${cfg.package}/bin/lxd lxd --group lxd";
         ExecStartPost = "${cfg.package}/bin/lxd waitready --timeout=${cfg.startTimeout}";

nixos/tests/all-tests.nix

@@ -436,6 +436,7 @@ in {
   lxd = handleTest ./lxd.nix {};
   lxd-nftables = handleTest ./lxd-nftables.nix {};
   lxd-image-server = handleTest ./lxd-image-server.nix {};
+  lxd-ui = handleTest ./lxd-ui.nix {};
   #logstash = handleTest ./logstash.nix {};
   lorri = handleTest ./lorri/default.nix {};
   maddy = discoverTests (import ./maddy { inherit handleTest; });

nixos/tests/lxd-ui.nix

@@ -0,0 +1,35 @@
+import ./make-test-python.nix ({ pkgs, lib, ... }: {
+  name = "lxd-ui";
+
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ jnsgruk ];
+  };
+
+  nodes.machine = { lib, ... }: {
+    virtualisation = {
+      lxd.enable = true;
+      lxd.ui.enable = true;
+    };
+
+    environment.systemPackages = [ pkgs.curl ];
+  };
+
+  testScript = ''
+    machine.wait_for_unit("sockets.target")
+    machine.wait_for_unit("lxd.service")
+    machine.wait_for_file("/var/lib/lxd/unix.socket")
+
+    # Wait for lxd to settle
+    machine.succeed("lxd waitready")
+
+    # Configure LXC listen address
+    machine.succeed("lxc config set core.https_address :8443")
+    machine.succeed("systemctl restart lxd")
+
+    # Check that the LXD_UI environment variable is populated in the systemd unit
+    machine.succeed("cat /etc/systemd/system/lxd.service | grep 'LXD_UI'")
+
+    # Ensure the endpoint returns an HTML page with 'LXD UI' in the title
+    machine.succeed("curl -kLs https://localhost:8443/ui | grep '<title>LXD UI</title>'")
+  '';
+})