8ac5e011d6
GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
125 lines
3.2 KiB
Nix
125 lines
3.2 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.virtualisation.containers;
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inherit (lib) mkOption types;
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# Once https://github.com/NixOS/nixpkgs/pull/75584 is merged we can use the TOML generator
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toTOML = name: value: pkgs.runCommandNoCC name {
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nativeBuildInputs = [ pkgs.remarshal ];
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value = builtins.toJSON value;
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passAsFile = [ "value" ];
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} ''
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json2toml "$valuePath" "$out"
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'';
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# Copy configuration files to avoid having the entire sources in the system closure
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copyFile = filePath: pkgs.runCommandNoCC (builtins.unsafeDiscardStringContext (builtins.baseNameOf filePath)) {} ''
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cp ${filePath} $out
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'';
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in
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{
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meta = {
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maintainers = [] ++ lib.teams.podman.members;
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};
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options.virtualisation.containers = {
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enable =
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mkOption {
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type = types.bool;
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default = false;
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description = ''
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This option enables the common /etc/containers configuration module.
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'';
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};
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registries = {
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search = mkOption {
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type = types.listOf types.str;
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default = [ "docker.io" "quay.io" ];
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description = ''
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List of repositories to search.
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'';
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};
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insecure = mkOption {
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default = [];
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type = types.listOf types.str;
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description = ''
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List of insecure repositories.
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'';
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};
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block = mkOption {
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default = [];
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type = types.listOf types.str;
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description = ''
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List of blocked repositories.
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'';
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};
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};
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policy = mkOption {
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default = {};
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type = types.attrs;
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example = lib.literalExample ''
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{
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default = [ { type = "insecureAcceptAnything"; } ];
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transports = {
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docker-daemon = {
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"" = [ { type = "insecureAcceptAnything"; } ];
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};
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};
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}
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'';
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description = ''
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Signature verification policy file.
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If this option is empty the default policy file from
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<literal>skopeo</literal> will be used.
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'';
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};
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users = mkOption {
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default = [];
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type = types.listOf types.str;
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description = ''
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List of users to set up subuid/subgid mappings for.
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This is a requirement for running rootless containers.
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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environment.etc."containers/registries.conf".source = toTOML "registries.conf" {
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registries = lib.mapAttrs (n: v: { registries = v; }) cfg.registries;
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};
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users.extraUsers = builtins.listToAttrs (
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(
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builtins.foldl' (
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acc: user: {
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values = acc.values ++ [
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{
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name = user;
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value = {
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subUidRanges = [ { startUid = acc.offset; count = 65536; } ];
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subGidRanges = [ { startGid = acc.offset; count = 65536; } ];
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};
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}
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];
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offset = acc.offset + 65536;
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}
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)
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{ values = []; offset = 100000; } (lib.unique cfg.users)
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).values
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);
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environment.etc."containers/policy.json".source =
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if cfg.policy != {} then pkgs.writeText "policy.json" (builtins.toJSON cfg.policy)
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else copyFile "${pkgs.skopeo.src}/default-policy.json";
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};
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}
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