nixpkgs/nixos/tests/cfssl.nix

import ./make-test-python.nix ({ pkgs, ...} : {
  name = "cfssl";

  machine = { config, lib, pkgs, ... }:
  {
    networking.firewall.allowedTCPPorts = [ config.services.cfssl.port ];

    services.cfssl.enable = true;
    systemd.services.cfssl.after = [ "cfssl-init.service" ];

    systemd.services.cfssl-init = {
      description = "Initialize the cfssl CA";
      wantedBy    = [ "multi-user.target" ];
      serviceConfig = {
        User             = "cfssl";
        Type             = "oneshot";
        WorkingDirectory = config.services.cfssl.dataDir;
      };
      script = with pkgs; ''
        ${cfssl}/bin/cfssl genkey -initca ${pkgs.writeText "ca.json" (builtins.toJSON {
          hosts = [ "ca.example.com" ];
          key = {
            algo = "rsa"; size = 4096; };
            names = [
              {
                C = "US";
                L = "San Francisco";
                O = "Internet Widgets, LLC";
                OU = "Certificate Authority";
                ST = "California";
              }
            ];
        })} | ${cfssl}/bin/cfssljson -bare ca
      '';
    };
  };

  testScript =
  let
    cfsslrequest = with pkgs; writeScript "cfsslrequest" ''
      curl -X POST -H "Content-Type: application/json" -d @${csr} \
        http://localhost:8888/api/v1/cfssl/newkey | ${cfssl}/bin/cfssljson /tmp/certificate
    '';
    csr = pkgs.writeText "csr.json" (builtins.toJSON {
      CN = "www.example.com";
      hosts = [ "example.com" "www.example.com" ];
      key = {
        algo = "rsa";
        size = 2048;
      };
      names = [
        {
          C = "US";
          L = "San Francisco";
          O = "Example Company, LLC";
          OU = "Operations";
          ST = "California";
        }
      ];
    });
  in
    ''
      machine.wait_for_unit("cfssl.service")
      machine.wait_until_succeeds("${cfsslrequest}")
      machine.succeed("ls /tmp/certificate-key.pem")
    '';
})