Introduce colmena config and add shairport-sync host

config/hosts/audio/configuration.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+{
+  networking = {
+    hostName = "audio";
+  };
+
+  sound.enable = true;
+
+  system.stateVersion = "23.05";
+}

config/hosts/audio/default.nix

@@ -0,0 +1,7 @@
+{ ... }:
+{
+  imports = [
+    ./configuration.nix
+    ./shairport-sync.nix
+  ];
+}

config/hosts/audio/shairport-sync.nix

@@ -0,0 +1,8 @@
+{ ... }:
+{
+  services.shairport-sync = {
+    enable = true;
+    openFirewall = true;
+    arguments = "-vvv -o alsa -- -d plughw:1,0 -r 48000";
+  };
+}

flake.lock

@@ -52,10 +52,27 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1694183432,
+        "narHash": "sha256-YyPGNapgZNNj51ylQMw9lAgvxtM2ai1HZVUu3GS8Fng=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "db9208ab987cdeeedf78ad9b4cf3c55f5ebd269b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "nixos-generators": "nixos-generators",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable"
       }
     }
   },

flake.nix

@@ -3,6 +3,8 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+
     # Add nixos-generators as an input.
     # See here: https://github.com/nix-community/nixos-generators#using-in-a-flake
     nixos-generators = {
@@ -11,7 +13,29 @@
     };
   };
 
-  outputs = { nixpkgs, nixos-generators, ... }: {
+  outputs = { nixpkgs, nixpkgs-unstable, nixos-generators, ... }: {
+    colmena = {
+      meta = {
+        nixpkgs = nixpkgs.legacyPackages."x86_64-linux";
+        nodeNixpkgs = {
+          audio = nixpkgs-unstable.legacyPackages."x86_64-linux";
+        };
+      };
+
+      audio = {
+        deployment = {
+          targetHost = "audio.z9.ccchh.net";
+          targetPort = 22;
+          targetUser = "chaos";
+        };
+        imports = [ 
+          ./config/common
+          ./config/proxmox-vm
+          ./config/hosts/audio
+        ];
+      };
+    };
+
     packages.x86_64-linux = {
       proxmox = nixos-generators.nixosGenerate {
         system = "x86_64-linux";