servers/mermet.nix

   1 # NixOS configuration of mermet.sourcephile.fr
   2 #
   3 # Show configuration options with, for example:
   4 #   nix-instantiate servers/mermet.nix --eval -A config.networking.hostName
   5 # Install/upgrade with:
   6 #   nix run install -f servers/mermet.nix
   7 let
   8   system = import <nixpkgs/nixos/lib/eval-config.nix> {
   9     system = "x86_64-linux";
  10     modules = [
  11       ../base/install.nix
  12       ../base/unbound.nix
  13       ../defaults.nix
  14       mermet/debug.nix
  15       mermet/dovecot.nix
  16       mermet/fileSystems.nix
  17       mermet/gitolite.nix
  18       mermet/hardware.nix
  19       mermet/knot.nix
  20       mermet/networking.nix
  21       mermet/nginx.nix
  22       mermet/openldap.nix
  23       mermet/postfix.nix
  24       mermet/redis.nix
  25       mermet/rspamd.nix
  26       mermet/sanoid.nix
  27       mermet/shorewall.nix
  28       mermet/system.nix
  29       mermet/users.nix
  30     ];
  31     extraArgs = {
  32       name = "mermet";
  33     };
  34   };
  35   inherit (system.config) networking;
  36   target = "root@${networking.hostName}.${networking.domain}";
  37   lib = system.pkgs.lib;
  38 in with system; system // {
  39 install =
  40   let profile = "/nix/var/nix/profiles/system";
  41       generations = "+10";
  42       nixos = config.system.build.toplevel;
  43   in
  44   pkgs.writeShellScriptBin "bash" ''
  45   PATH="$PATH:${with pkgs; lib.makeBinPath [nix openssh pass]}"
  46   set -eux
  47   nix ''${TRACE:+-L} copy \
  48    --to ssh://${target} --substitute-on-destination \
  49    ${nixos}
  50   target="${target}"
  51   ${config.install.shellHook}
  52   ssh ${target} nix-env --profile "${profile}" --set "${nixos}" \
  53    '&&' nix-env --profile "${profile}" --delete-generations "${generations}" \
  54    '&&' "${profile}"/bin/switch-to-configuration "''${switch:-switch}"
  55 '';
  56 }