139 lines
3.4 KiB
Nix
139 lines
3.4 KiB
Nix
{ config, lib, pkgs, utils, ... }:
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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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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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imports = [
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(
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lib.mkRemovedOptionModule
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[ "virtualisation" "containers" "users" ]
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"All users with `isNormalUser = true` set now get appropriate subuid/subgid mappings."
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)
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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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ociSeccompBpfHook.enable = mkOption {
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type = types.bool;
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default = false;
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description = "Enable the OCI seccomp BPF hook";
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};
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containersConf = mkOption {
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default = {};
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description = "containers.conf configuration";
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type = types.submodule {
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options = {
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration that should be put in the containers.conf
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configuration file
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'';
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};
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};
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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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};
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config = lib.mkIf cfg.enable {
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environment.etc."containers/containers.conf".text = ''
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[network]
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cni_plugin_dirs = ["${pkgs.cni-plugins}/bin/"]
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${lib.optionalString (cfg.ociSeccompBpfHook.enable == true) ''
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[engine]
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hooks_dir = [
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"${config.boot.kernelPackages.oci-seccomp-bpf-hook}",
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]
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''}
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'' + cfg.containersConf.extraConfig;
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environment.etc."containers/registries.conf".source = toTOML "registries.conf" {
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registries = lib.mapAttrs (n: v: { registries = v; }) cfg.registries;
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};
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environment.etc."containers/policy.json".source =
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if cfg.policy != {} then pkgs.writeText "policy.json" (builtins.toJSON cfg.policy)
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else utils.copyFile "${pkgs.skopeo.src}/default-policy.json";
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};
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}
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