containers/ledstripes: deploy ledball

hosts/containers/ledstripes/configuration.nix

@@ -20,7 +20,18 @@
   # Required for krops
   services.openssh.enable = true;
   environment.systemPackages = [ pkgs.git ];
-  
+
+  systemd.services.ledball =
+    let
+      pile = import (toString <lib/pkgs/pile.nix>) { inherit pkgs; };
+    in {
+      after = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        ExecStart = "${pile.ledball}/bin/rows";
+        Restart = "always";
+      };
+    };
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database

krops.nix

@@ -27,7 +27,6 @@ let
       target = "root@${host}";
     };
 in {
-  x = hostSource "scrape";
   scrape = deployContainer "scrape" "172.20.73.28";
   ledstripes = deployContainer "ledstripes" "172.22.99.168";
 }

lib/pkgs/pile.nix

@@ -0,0 +1,23 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs;
+let
+  pile = builtins.fetchGit "https://github.com/astro/pile.git";
+in {
+  ledball = rustPlatform.buildRustPackage {
+    name = "ledball";
+    version = "0.0.0";
+    src = "${pile}/ledball";
+    cargoSha256 = "0zyfbf3gph8gqab07fmm5a7x5slapsqn8ck6isp53fsa7ljnagjy";
+    cargoBuildFlags = [ "--examples" ];
+    postInstall = ''
+      mkdir -p $out/bin
+
+      for f in target/*/release/examples/*; do
+        if [ -f $f ] && [ -x $f ]; then
+          cp $f $out/bin/
+        fi
+      done
+    '';
+  };
+}