Add remote builds (#4)

Reviewed-on: greyweather/nixos#4

hosts/kitagawa/default.nix

@@ -18,6 +18,26 @@ in {
     ./modules/hardware-fixes.nix
   ];
 
+  nix.buildMachines = [
+    {
+      hostName = "builder";
+      systems = [ "x86_64-linux" "i686-linux" ];
+      protocol = "ssh-ng";
+      maxJobs = 25;
+      speedFactor = 100;
+      supportedFeatures = [ "nixos-test" "benchmark" "kvm" "big-parallel" ];
+    }
+    {
+      hostName = "localhost";
+      systems = [ "x86_64-linux" "i686-linux" ];
+      maxJobs = 10;
+      speedFactor = 1;
+      supportedFeatures = [ ];
+    }
+  ];
+  nix.distributedBuilds = true;
+  nix.settings.builders-use-substitutes = true;
+
   services.tailscale = {
     enable = true;
     openFirewall = true;

hosts/kitagawa/home.nix

@@ -36,7 +36,6 @@ in {
     kdePackages.filelight
     remmina
     freerdp
-    jmtpfs
     loupe
   ];
 

hosts/takamaki/modules/remote-builder.nix

@@ -12,7 +12,9 @@
     openssh.authorizedKeys.keys = [ "ssh-rsa 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 grey@kitagawa" ];
   };
 
+  services.openssh.settings.AllowUsers = [ "remotebuild" ];
+
   users.groups.remotebuild = {};
 
   nix.settings.trusted-users = [ "remotebuild" ];
-}
+}