more work on hosts/ and modules/config

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

hosts/sarien/distributed-build.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  inputs,
+  ...
+}: let
+  inherit (builtins) readFile;
+  inherit (config.networking) hostName;
+  inherit (config.sops) secrets;
+  inherit (inputs) mysecrets;
+  pubHost = readFile "${mysecrets}/ssh/ssh_host_ed25519_dunamis.base64";
+in {
+  nix = {
+    distributedBuilds = true;
+    buildMachines = [
+      {
+        hostName = "dunamis";
+        publicHostKey = pubHost;
+        sshKey = secrets."ssh-${hostName}-user".path;
+        sshUser = "nix-ssh";
+        supportedFeatures = [
+          "benchmark"
+          "big-parallel"
+          "kvm"
+          "nixos-test"
+        ];
+        system = "x86_64-linux";
+      }
+    ];
+  };
+}