109 lines
3.6 KiB
Nix
109 lines
3.6 KiB
Nix
{ lib, config, pkgs, ... }:
|
|
|
|
let
|
|
templateSubmodule = {...}: {
|
|
options = {
|
|
enable = lib.mkEnableOption "this template";
|
|
|
|
target = lib.mkOption {
|
|
description = "Path in the container";
|
|
type = lib.types.path;
|
|
};
|
|
template = lib.mkOption {
|
|
description = ".tpl file for rendering the target";
|
|
type = lib.types.path;
|
|
};
|
|
when = lib.mkOption {
|
|
description = "Events which trigger a rewrite (create, copy)";
|
|
type = lib.types.listOf (lib.types.str);
|
|
};
|
|
properties = lib.mkOption {
|
|
description = "Additional properties";
|
|
type = lib.types.attrs;
|
|
default = {};
|
|
};
|
|
};
|
|
};
|
|
|
|
toYAML = name: data: pkgs.writeText name (lib.generators.toYAML {} data);
|
|
|
|
cfg = config.virtualisation.lxc;
|
|
templates = if cfg.templates != {} then let
|
|
list = lib.mapAttrsToList (name: value: { inherit name; } // value)
|
|
(lib.filterAttrs (name: value: value.enable) cfg.templates);
|
|
in
|
|
{
|
|
files = map (tpl: {
|
|
source = tpl.template;
|
|
target = "/templates/${tpl.name}.tpl";
|
|
}) list;
|
|
properties = lib.listToAttrs (map (tpl: lib.nameValuePair tpl.target {
|
|
when = tpl.when;
|
|
template = "${tpl.name}.tpl";
|
|
properties = tpl.properties;
|
|
}) list);
|
|
}
|
|
else { files = []; properties = {}; };
|
|
|
|
in {
|
|
meta = {
|
|
maintainers = lib.teams.lxc.members;
|
|
};
|
|
|
|
options = {
|
|
virtualisation.lxc = {
|
|
templates = lib.mkOption {
|
|
description = "Templates for LXD";
|
|
type = lib.types.attrsOf (lib.types.submodule templateSubmodule);
|
|
default = {};
|
|
example = lib.literalExpression ''
|
|
{
|
|
# create /etc/hostname on container creation
|
|
"hostname" = {
|
|
enable = true;
|
|
target = "/etc/hostname";
|
|
template = builtins.writeFile "hostname.tpl" "{{ container.name }}";
|
|
when = [ "create" ];
|
|
};
|
|
# create /etc/nixos/hostname.nix with a configuration for keeping the hostname applied
|
|
"hostname-nix" = {
|
|
enable = true;
|
|
target = "/etc/nixos/hostname.nix";
|
|
template = builtins.writeFile "hostname-nix.tpl" "{ ... }: { networking.hostName = "{{ container.name }}"; }";
|
|
# copy keeps the file updated when the container is changed
|
|
when = [ "create" "copy" ];
|
|
};
|
|
# copy allow the user to specify a custom configuration.nix
|
|
"configuration-nix" = {
|
|
enable = true;
|
|
target = "/etc/nixos/configuration.nix";
|
|
template = builtins.writeFile "configuration-nix" "{{ config_get(\"user.user-data\", properties.default) }}";
|
|
when = [ "create" ];
|
|
};
|
|
};
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
config = {
|
|
system.build.metadata = pkgs.callPackage ../../lib/make-system-tarball.nix {
|
|
contents = [
|
|
{
|
|
source = toYAML "metadata.yaml" {
|
|
architecture = builtins.elemAt (builtins.match "^([a-z0-9_]+).+" (toString pkgs.stdenv.hostPlatform.system)) 0;
|
|
creation_date = 1;
|
|
properties = {
|
|
description = "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} ${pkgs.stdenv.hostPlatform.system}";
|
|
os = "${config.system.nixos.distroId}";
|
|
release = "${config.system.nixos.codeName}";
|
|
};
|
|
templates = templates.properties;
|
|
};
|
|
target = "/metadata.yaml";
|
|
}
|
|
] ++ templates.files;
|
|
};
|
|
};
|
|
}
|