albatros/flake.nix

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{
description = "Albatros";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs";
};
outputs = { self, nixpkgs }:
let
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# @FIXME probably not a good idea to hardcode it...
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system = "x86_64-linux";
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pkgs = import nixpkgs {
inherit system;
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overlays = [ ]; # we dropped the overlay we had, keep it as "skeleton".
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};
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# declare the go module of this package, allow for cross compilation
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albatrosStaticBin = arch: (pkgs.buildGoModule rec {
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pname = "albatros-go-module";
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version = "0.9";
src = ./.;
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CGO_ENABLED = 0;
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vendorSha256 = "sha256-jzRYYsopJDYsar0nSYkTAOCGf4z20sgpDQ/eFmwYzM8=";
checkPhase = ''
true
'';
buildPhase = ''
go build bin/albatros.go
'';
installPhase = ''
cp albatros $out
'';
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meta = with pkgs.lib; {
description = "albatros is a CI for Nomad";
homepage = "https://git.deuxfleurs.fr/quentin/albatros";
license = licenses.agpl3;
platforms = platforms.linux;
};
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}).overrideAttrs (old: old // { GOOS = "linux"; GOARCH = arch; });
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# logic to build docker containers
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dockerImg = staticBin: arch: pkgs.dockerTools.buildImage {
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name = "dxflrs/albatros";
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architecture = arch;
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config = {
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Cmd = [ "${staticBin}" ];
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};
};
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# map nixos/llvm arch to golang arch
archmap = {
"aarch64-linux" = "arm64";
"x86_64-linux" = "amd64";
"i686-linux" = "386";
"armv6l-linux" = "arm";
};
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# generate packages for each architecture
packages = builtins.mapAttrs (name: value: rec {
albatros = (albatrosStaticBin value);
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docker.albatros = (dockerImg albatros value);
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default = albatros;
}) archmap;
in
{
inherit packages;
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};
}