5 files changed, 65 insertions, 44 deletions
diff --git a/krebs/1systems/hope/config.nix b/krebs/1systems/hope/config.nix
deleted file mode 100644
index c19b210c5..000000000
--- a/krebs/1systems/hope/config.nix
+++ /dev/null
@@ -1,41 +0,0 @@
-with import <stockholm/lib>;
-{ config, pkgs, ... }: let
-
-  ip = config.krebs.build.host.nets.internet.ip4.addr;
-  bestGuessGateway = addr: elemAt (match "(.*)(\.[^.])" addr) 0 + ".1";
-
-in {
-  imports = [
-    <stockholm/krebs>
-    <stockholm/krebs/2configs>
-    <stockholm/krebs/2configs/os-templates/CAC-CentOS-7-64bit.nix>
-
-    <stockholm/krebs/2configs/secret-passwords.nix>
-    {
-      users.extraUsers = {
-        satan = {
-          name = "satan";
-          uid = 1338;
-          home = "/home/satan";
-          group = "users";
-          createHome = true;
-          useDefaultShell = true;
-          initialPassword = "test";
-        };
-      };
-    }
-  ];
-
-  krebs.build.host = config.krebs.hosts.hope;
-
-  networking = let
-    address = config.krebs.build.host.nets.internet.ip4.addr;
-  in {
-    defaultGateway = bestGuessGateway address;
-    interfaces.enp2s1.ip4 = singleton {
-      inherit address;
-      prefixLength = 24;
-    };
-    nameservers = ["8.8.8.8"];
-  };
-}
diff --git a/krebs/1systems/hope/source.nix b/krebs/1systems/hope/source.nix
deleted file mode 100644
index 7121d1d9d..000000000
--- a/krebs/1systems/hope/source.nix
+++ /dev/null
@@ -1,3 +0,0 @@
-import <stockholm/krebs/source.nix> {
-  name = "hope";
-}
diff --git a/krebs/1systems/hotdog/config.nix b/krebs/1systems/hotdog/config.nix
index 98fb88702..662e094d1 100644
--- a/krebs/1systems/hotdog/config.nix
+++ b/krebs/1systems/hotdog/config.nix
@@ -21,4 +21,5 @@
   boot.isContainer = true;
   networking.useDHCP = false;
   krebs.ci.stockholmSrc = "http://cgit.prism.r/stockholm";
+  environment.variables.NIX_REMOTE = "daemon";
 }
diff --git a/krebs/1systems/onebutton/config.nix b/krebs/1systems/onebutton/config.nix
new file mode 100644
index 000000000..dca00a206
--- /dev/null
+++ b/krebs/1systems/onebutton/config.nix
@@ -0,0 +1,48 @@
+{ config, pkgs, lib, ... }:
+{
+  # :l <nixpkgs>
+  # builtins.readDir (pkgs.fetchFromGitHub { owner = "nixos"; repo = "nixpkgs-channels"; rev = "6c064e6b"; sha256 = "1rqzh475xn43phagrr30lb0fd292c1s8as53irihsnd5wcksnbyd"; })
+  imports = [
+    <stockholm/krebs>
+    <stockholm/krebs/2configs>
+    { # flag to rebuild everything yourself:
+      # environment.noXlibs = true;
+
+      # minimal disk usage
+      nix.gc.automatic = true;
+      nix.gc.dates = "03:10";
+      documentation.man.enable = false;
+      documentation.info.enable = false;
+      services.nixosManual.enable = false;
+      services.journald.extraConfig = "SystemMaxUse=50M";
+    }
+  ];
+  krebs.build.host = config.krebs.hosts.onebutton;
+  # NixOS wants to enable GRUB by default
+  boot.loader.grub.enable = false;
+
+  # Enables the generation of /boot/extlinux/extlinux.conf
+  boot.loader.generic-extlinux-compatible.enable = true;
+
+  boot.kernelPackages = pkgs.linuxPackages_rpi;
+
+  nix.binaryCaches = [ "http://nixos-arm.dezgeg.me/channel" ];
+  nix.binaryCachePublicKeys = [ "nixos-arm.dezgeg.me-1:xBaUKS3n17BZPKeyxL4JfbTqECsT+ysbDJz29kLFRW0=%" ];
+
+  fileSystems = {
+    "/boot" = {
+      device = "/dev/disk/by-label/NIXOS_BOOT";
+      fsType = "vfat";
+    };
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+    };
+  };
+
+  swapDevices = [ { device = "/swapfile"; size = 1024; } ];
+  services.openssh.enable = true;
+
+  networking.wireless.enable = true;
+  hardware.enableRedistributableFirmware = true;
+}
diff --git a/krebs/1systems/onebutton/source.nix b/krebs/1systems/onebutton/source.nix
new file mode 100644
index 000000000..8f25881c9
--- /dev/null
+++ b/krebs/1systems/onebutton/source.nix
@@ -0,0 +1,16 @@
+with import <stockholm/lib>;
+let
+  pkgs = import <nixpkgs> {};
+  nixpkgs = pkgs.fetchFromGitHub {
+    owner = "nixos";
+    repo = "nixpkgs-channels";
+    rev = "6c064e6b"; # only binary cache for unstable arm6
+    sha256 = "1rqzh475xn43phagrr30lb0fd292c1s8as53irihsnd5wcksnbyd";
+  };
+in import <stockholm/krebs/source.nix> {
+  name = "onebutton";
+  override.nixpkgs = mkForce {
+    file = toString nixpkgs;
+  };
+
+}