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incus: format

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Adam C. Stephens 2024-11-30 00:04:27 -05:00
parent ed30be523a
commit 9ab59bb5fb
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13 changed files with 600 additions and 482 deletions
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109
nixos/modules/virtualisation/lxc-image-metadata.nix
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@ -1,51 +1,71 @@
{ lib, config, pkgs, ... }:
{
lib,
config,
pkgs,
...
}:
let
templateSubmodule = {...}: {
options = {
enable = lib.mkEnableOption "this template";
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 = {};
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);
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 = {}; };
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 {
in
{
imports = [
../image/file-options.nix
];
@ -59,7 +79,7 @@ in {
templates = lib.mkOption {
description = "Templates for LXD";
type = lib.types.attrsOf (lib.types.submodule templateSubmodule);
default = {};
default = { };
example = lib.literalExpression ''
{
# create /etc/hostname on container creation
@ -91,7 +111,10 @@ in {
};
config = {
system.nixos.tags = [ "lxc" "metadata" ];
system.nixos.tags = [
"lxc"
"metadata"
];
image.extension = "tar.xz";
image.filePath = "tarball/${config.image.fileName}";
system.build.image = config.system.build.metadata;
@ -100,7 +123,9 @@ in {
contents = [
{
source = toYAML "metadata.yaml" {
architecture = builtins.elemAt (builtins.match "^([a-z0-9_]+).+" (toString pkgs.stdenv.hostPlatform.system)) 0;
architecture = builtins.elemAt (builtins.match "^([a-z0-9_]+).+" (
toString pkgs.stdenv.hostPlatform.system
)) 0;
creation_date = 1;
properties = {
description = "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} ${pkgs.stdenv.hostPlatform.system}";