flake.nix

{
  description = "An IP-to-AS mapping tool.";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    utils.url = "github:numtide/flake-utils";
    # the rpki-client binary will be built from the flake at this URL.
    rpki-cli.url = "github:asmap/rpki-client-nix";
  };

  outputs = {
    self,
    nixpkgs,
    utils,
    rpki-cli,
  }:
    # Add a kartograf module for NixOS (see module.nix for details)
    { nixosModules.kartograf = import ./module.nix self; } //
    # Build for all default systems: ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"]
    utils.lib.eachDefaultSystem (system: let
      pkgs = nixpkgs.legacyPackages.${system};

      rpki-client = rpki-cli.defaultPackage.${system};
      pythonBuildDeps = pkgs.python311.withPackages (ps: [
        ps.beautifulsoup4
        ps.pandas
        ps.requests
        ps.tqdm
      ]);
      pythonDevDeps = pkgs.python311.withPackages (ps: [
        ps.beautifulsoup4
        ps.pandas
        ps.requests
        ps.tqdm
        ps.pylint
      ]);
      kartografDeps = [
        pythonBuildDeps
        rpki-client
      ];
    in {
      # This flake exposes the following attributes:
      # * A development shell containing the rpki-client and the necessary
      #   Python env and packages to run kartograf. To use, run 'nix develop'
      #   in the current directory.
      # * A default/kartograf package
      # * A NixOS module
      devShells.default = pkgs.mkShell {
        packages = [rpki-client pythonDevDeps];
      };
      packages = {
        kartograf = pkgs.stdenv.mkDerivation {
          # not a python-installable package, so just manually copy files
          pname = "kartograf";
          version = "1.0.0";
          src = ./.;
          nativeBuildInputs = [pkgs.makeWrapper];
          buildInputs = kartografDeps;
          propagatedBuildInputs = [rpki-client];
          buildPhase = ''
            mkdir -p $out/lib/kartograf
            cp -r ${./kartograf}/* $out/lib/kartograf/
          '';
          installPhase = ''
            mkdir -p $out/bin
            cp ${./run} $out/bin/kartograf
            chmod +x $out/bin/kartograf
          '';
          fixupPhase = ''
            wrapProgram $out/bin/kartograf \
              --set PYTHONPATH $out/lib:$PYTHONPATH
            wrapProgram $out/bin/kartograf \
              --set PATH ${rpki-cli.defaultPackage.${system}}/bin:$PATH
          '';
          meta = with pkgs.lib; {
            description = "Kartograf: IP to ASN mapping for everyone";
            license = licenses.mit;
            homepage = "https://github.com/asmap/kartograf";
          };
        };
        default = self.packages.${system}.kartograf;
      };
    });
}