Files
user-jails/flake.nix

116 lines
3.2 KiB
Nix

{
inputs.nixpkgs.url = "nixpkgs/nixos-unstable";
outputs = { self, nixpkgs }: let
inherit (nixpkgs) lib;
systems = [
"x86_64-linux"
"aarch64-linux"
];
forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system nixpkgs.legacyPackages.${system});
in {
apps = forAllSystems (system: pkgs: {
default = self.apps.${system}.vm;
vm = {
type = "app";
program = "${lib.getExe self.nixosConfigurations."vm-${system}".config.system.build.vm}";
};
});
nixosModules.default = ./modules/user-jails.nix;
nixosConfigurations = lib.mapAttrs' (n: v: lib.nameValuePair "vm-${n}" v) (forAllSystems (system: pkgs:
lib.nixosSystem {
inherit system pkgs;
modules = [
"${nixpkgs}/nixos/modules/virtualisation/qemu-vm.nix"
self.nixosModules.default
({ config, ... }: {
system.stateVersion = config.system.nixos.release;
virtualisation.graphics = false;
services.getty.autologinUser = "root";
users.motd = ''
==================================
Welcome to the user-jails test vm!
Try logging in as a user:
ssh user1@localhost
ssh user2@localhost
user1: default jail
- private networking
- global users (private users doesn't work atm)
- allow outside network access
user2: permissive jail
- global networking
- global users
- allow outside network access
All users have password 'foobar'
To exit, press Ctrl+A, then X
==================================
'';
users.users.user1 = {
uid = 1000;
isNormalUser = true;
createHome = true;
password = "foobar";
};
users.users'.user1.jail = {
enable = true;
# Private users doesn't work inside VM for now
# See https://github.com/NixOS/nixpkgs/issues/451167
useGlobalUsers = true;
};
users.users.user2 = {
uid = 1001;
isNormalUser = true;
createHome = true;
password = "foobar";
};
users.users'.user2.jail = {
enable = true;
# bindGlobalNixStore = true; # doesn't do anything for now
useGlobalNetworking = true;
useGlobalUsers = true;
};
# users.users.user3 = {
# uid = 1002;
# isNormalUser = true;
# createHome = true;
# password = "foobar";
# };
# users.users'.user3.jail = {
# enable = true;
# allowNetworking = false;
# };
# MOTD description:
# user3: strict jail
# - private networking
# - private users
# - deny outside network access
services.openssh.enable = true;
programs.vim.enable = true;
})
];
}
));
};
}