Enable mopidy and virtualisation via QEMU/KVM

configuration.nix

@@ -5,14 +5,15 @@
   boot = {
     kernelPackages = pkgs.linuxPackages_latest;
     kernelParams = [ "zfs.zfs_arc_max=536870912" ];
-    kernelModules = [ "i915" "acpi_call" ];
+    kernelModules = [ "i915" "acpi_call" "kvm-intel" ];
     extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
     supportedFilesystems = [ "zfs" ];
     zfs.requestEncryptionCredentials = true;
   };
 
   # Intel CPU tweaks
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  hardware.cpu.intel.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
 
   hardware.opengl.extraPackages = with pkgs; [
     vaapiIntel
@@ -70,8 +71,24 @@
   users.users.coolneng = {
     isNormalUser = true;
     home = "/home/coolneng";
-    extraGroups = [ "wheel" "video" "audio" ];
+    extraGroups = [ "wheel" "video" "audio" "libvirtd" ];
-    shell = "/run/current-system/sw/bin/fish";
+    shell = pkgs.fish;
+  };
+
+  # Set fish shell for root user
+  users.users.root = {
+    shell = pkgs.fish;
+    openssh.authorizedKeys.keys = [
+      "ssh-rsa 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 coolneng@panacea"
+    ];
+  };
+
+  # Enable localhost SSH
+  services.openssh = {
+    enable = true;
+    permitRootLogin = "yes";
+    passwordAuthentication = false;
+    openFirewall = false;
   };
 
   # Import other configuration modules

modules/audio.nix

@@ -1,10 +1,10 @@
 { config, lib, pkgs, ... }:
 
 {
- # Enable ALSA
+  # Enable ALSA
- sound.enable = true;
+  sound.enable = true;
 
- # Configure PulseAudio with mopidy tweaks
+  # Configure PulseAudio with mopidy tweaks
   hardware.pulseaudio = {
     enable = true;
     tcp = {
@@ -12,4 +12,60 @@
       anonymousClients.allowedIpRanges = [ "127.0.0.1" ];
     };
   };
+
+  # Set up Mopidy
+  services.mopidy = {
+    enable = true;
+    extensionPackages =
+      [ pkgs.mopidy-mpd pkgs.mopidy-soundcloud pkgs.mopidy-youtube ];
+    configuration = ''
+      [core]
+      cache_dir = $XDG_CACHE_DIR/cache/mopidy
+      config_dir = $XDG_CONFIG_DIR/mopidy
+      data_dir = $XDG_DATA_DIR/lib/mopidy
+
+      [logging]
+      config_file = $XDG_CONFIG_DIR/mopidy/logging.conf
+
+      [audio]
+      mixer = software
+      mixer_volume =
+      output = pulsesink server=127.0.0.1
+      visualizer =
+
+      [file]
+      enabled = true
+      media_dirs = /home/coolneng/Music
+      excluded_file_extensions =
+        .directory
+        .html
+        .jpeg
+        .jpg
+        .log
+        .nfo
+        .png
+        .txt
+
+      [mpd]
+      enabled = true
+      hostname = 127.0.0.1
+      port = 6600
+      password =
+      max_connections = 20
+      zeroconf = ""
+
+      [http]
+      enabled = false
+
+      [soundcloud]
+      enabled = false
+
+      [m3u]
+      playlists_dir = /home/coolneng/.config/mpd/playlists
+      base_dir = /home/coolneng/Music
+    '';
+  };
+
+  # Give permissions to mopidy user
+  users.users.mopidy = { extraGroups = [ "audio" ]; };
 }

modules/development.nix

@@ -3,4 +3,7 @@
 {
   # Improve nix-shell and direnv integration
   services.lorri.enable = true;
+
+  # Enable virtualization
+  virtualisation.libvirtd.enable = true;
 }