tvl-depot/ops/nixos/default.nix
2020-02-21 13:54:53 +00:00

42 lines
1.1 KiB
Nix

{ depot, lib, ... }:
let
inherit (builtins) foldl';
systemFor = configs: (depot.third_party.nixos {
configuration = lib.fix(config:
foldl' lib.recursiveUpdate {} (map (c: c config) configs)
);
}).system;
rebuilder = depot.third_party.writeShellScriptBin "rebuilder" ''
set -ue
if [[ $EUID -ne 0 ]]; then
echo "Oh no! Only root is allowed to rebuild the system!" >&2
exit 1
fi
case $HOSTNAME in
nugget)
echo "Rebuilding NixOS for //ops/nixos/nugget"
system=$(nix-build -E '(import <depot> {}).ops.nixos.nuggetSystem' --no-out-link)
;;
camden)
echo "Rebuilding NixOS for //ops/nixos/camden"
system=$(nix-build -E '(import <depot> {}).ops.nixos.camdenSystem' --no-out-link)
;;
*)
echo "$HOSTNAME is not a known NixOS host!" >&2
exit 1
;;
esac
nix-env -p /nix/var/nix/profiles/system --set $system
$system/bin/switch-to-configuration switch
'';
in {
inherit rebuilder;
nuggetSystem = systemFor [ depot.ops.nixos.nugget ];
camdenSystem = systemFor [ depot.ops.nixos.camden ];
}