agenix

age-encrypted secrets for NixOS.

Features

• Secrets are encrypted with SSH keys ** system public keys via ssh-keyscan ** can use public keys available on GitHub for users (for example, https://github.com/ryantm.keys)
• No GPG
• Very little code, so it should be easy for you to audit

Installation

Choose one of the following methods:

niv (Current recommendation)

First add it to niv:

$ niv add ryantm/agenix

Than add the following to your configuration.nix in the imports list:

{
  imports = [ "${(import ./nix/sources.nix).agenix}/modules/age" ];
}

nix-channel

As root run:

$ nix-channel --add https://github.com/ryantm/agenix/archive/master.tar.gz agenix
$ nix-channel --update

Than add the following to your configuration.nix in the imports list:

{
  imports = [ <agenix/modules/age> ];
}

fetchTarball

Add the following to your configuration.nix:

{
  imports = [ "${builtins.fetchTarball "https://github.com/ryantm/agenix/archive/master.tar.gz"}/modules/age" ];
}

or with pinning:

{
  imports = let
    # replace this with an actual commit id or tag
    commit = "298b235f664f925b433614dc33380f0662adfc3f";
  in [
    "${builtins.fetchTarball {
      url = "https://github.com/ryantm/agenix/archive/${commit}.tar.gz";
      # replace this with an actual hash
      sha256 = "0000000000000000000000000000000000000000000000000000";
    }}/modules/age"
  ];
}

Flakes

{
  inputs.agenix.url = "github:ryantm/agenix";
  # optional, not necessary for the module
  #inputs.agenix.inputs.nixpkgs.follows = "nixpkgs";

  outputs = { self, nixpkgs, agenix }: {
    # change `yourhostname` to your actual hostname
    nixosConfigurations.yourhostname = nixpkgs.lib.nixosSystem {
      # change to your system:
      system = "x86_64-linux";
      modules = [
        ./configuration.nix
        agenix.nixosModules.age
      ];
    };
  };
}

Tutorial

Threat model