63 lines
1.6 KiB
Nix
63 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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profilesDir = "/nix/var/nix/profiles/lxc";
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gcRoots = "/nix/var/nix/gcroots/lxc";
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containers = config.lxc.containers;
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in {
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options = with types; {
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lxc.containers = mkOption {
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type = attrs;
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default = {};
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};
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};
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config = mkIf (containers != {}) {
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virtualisation.lxc = {
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enable = true;
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};
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systemd.services =
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builtins.foldl' (services: name:
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let
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config = builtins.getAttr name containers;
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builder = {
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description = "Build NixOS for lxc container ${name}";
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wants = [ "nix-daemon.socket" ];
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after = [ "nix-daemon.service" ];
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path = with pkgs; [ coreutils nix ];
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = true;
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script = ''
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mkdir -p ${profilesDir}/${name}
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mkdir -p ${gcRoots}/${name}
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nix-env -p ${profilesDir}/${name}/system \
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-I nixos-config=${config.nixos-config} \
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-f '<nixpkgs/nixos>' \
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--set -A system
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'';
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};
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starter = {
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description = "LXC container ${name}";
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requires = [ "lxc-container-${name}-builder" ];
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after = [ "lxc-container-${name}-builder" ];
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path = with pkgs; [ lxc ];
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script = ''
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lxc-start -F -n ${name}
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'';
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};
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in services // {
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"lxc-container-${name}-builder" = builder;
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"lxc-container-${name}" = starter;
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}
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) {} (builtins.attrNames containers);
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};
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}
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