krops/pkgs/krops/default.nix

104 lines
2.6 KiB
Nix

let
lib = import ../../lib;
in
{ exec, nix, openssh, populate, writeDash }: rec {
build = target:
remoteCommand target (lib.concatStringsSep " " [
"nix build"
"-I ${lib.escapeShellArg target.path}"
"--no-link -f '<nixpkgs/nixos>'"
"config.system.build.toplevel"
]);
rebuild = args: target:
remoteCommand target "nixos-rebuild -I ${lib.escapeShellArg target.path} ${
lib.concatMapStringsSep " " lib.escapeShellArg args
}";
remoteCommand = target: command:
exec "build.${target.host}" rec {
filename = "${openssh}/bin/ssh";
argv = lib.flatten [
filename
(lib.optionals (target.user != "") ["-l" target.user])
"-p" target.port
"-t"
target.host
(if target.sudo then "sudo ${command}" else command)
];
};
writeCommand = name: {
command ? (targetPath: "echo ${targetPath}"),
backup ? false,
force ? false,
source,
target
}: let
target' = lib.mkTarget target;
in
writeDash name ''
set -efu
${populate { inherit backup force source; target = target'; }}
${remoteCommand target' (command target'.path)}
'';
writeDeploy = name: {
backup ? false,
buildTarget ? null,
crossDeploy ? false,
fast ? false,
force ? false,
source,
target
}: let
buildTarget' =
if buildTarget == null
then target'
else lib.mkTarget buildTarget;
target' = lib.mkTarget target;
in
writeDash name ''
set -efu
${lib.optionalString (buildTarget' != target')
(populate { inherit backup force source; target = buildTarget'; })}
${populate { inherit backup force source; target = target'; }}
${lib.optionalString (! fast) ''
${rebuild ["dry-build"] buildTarget'}
${build buildTarget'}
''}
${rebuild ([
"switch"
] ++ lib.optionals crossDeploy [
"--no-build-nix"
] ++ lib.optionals (buildTarget' != target') [
"--build-host" "${buildTarget'.user}@${buildTarget'.host}"
"--target-host" "${target'.user}@${target'.host}"
]) buildTarget'}
'';
writeTest = name: {
backup ? false,
force ? false,
source,
target
}: let
target' = lib.mkTarget target;
in
assert lib.isLocalTarget target';
writeDash name ''
set -efu
${populate { inherit backup force source; target = target'; }} >&2
NIX_PATH=${lib.escapeShellArg target'.path} \
${nix}/bin/nix-build \
-A system \
--keep-going \
--no-out-link \
--show-trace \
'<nixpkgs/nixos>'
'';
}