break up into reusable modules

Signed-off-by: unexplrd <unexplrd@linerds.us>

hosts/eldrid/nix.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  inputs,
+  ...
+}: {
+  imports = with inputs; [
+    lix.nixosModules.default
+  ];
+  nix = {
+    channel.enable = false;
+    daemonCPUSchedPolicy = "idle";
+    settings = {
+      experimental-features = ["nix-command" "flakes"];
+      builders-use-substitutes = true;
+    };
+    distributedBuilds = true;
+    buildMachines = [
+      {
+        hostName = "dunamis";
+        sshUser = "nix-ssh";
+        system = "x86_64-linux";
+        sshKey = config.sops.secrets."ssh-eldrid-user".path;
+        supportedFeatures = ["nixos-test" "big-parallel" "kvm" "benchmark"];
+        publicHostKey = builtins.readFile "${inputs.mysecrets}/ssh/ssh_host_ed25519_dunamis.base64";
+      }
+    ];
+  };
+}