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|
{ config, lib, pkgs, ... }:
let
cfg = config.virtualisation.containers;
inherit (lib) literalExpression mkOption types;
toml = pkgs.formats.toml { };
in
{
meta = {
maintainers = [ ] ++ lib.teams.podman.members;
};
options.virtualisation.containers = {
enable =
mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
This option enables the common /etc/containers configuration module.
'';
};
ociSeccompBpfHook.enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc "Enable the OCI seccomp BPF hook";
};
cdi = {
dynamic.nvidia.enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Enable dynamic CDI configuration for NVidia devices by running nvidia-container-toolkit on boot.
'';
};
static = mkOption {
type = types.attrs;
default = { };
description = lib.mdDoc ''
Declarative CDI specification. Each key of the attribute set
will be mapped to a file in /etc/cdi. It is required for every
key to be provided in JSON format.
'';
example = {
some-vendor = builtins.fromJSON ''
{
"cdiVersion": "0.5.0",
"kind": "some-vendor.com/foo",
"devices": [],
"containerEdits": []
}
'';
some-other-vendor = {
cdiVersion = "0.5.0";
kind = "some-other-vendor.com/bar";
devices = [];
containerEdits = [];
};
};
};
};
containersConf.settings = mkOption {
type = toml.type;
default = { };
description = lib.mdDoc "containers.conf configuration";
};
containersConf.cniPlugins = mkOption {
type = types.listOf types.package;
defaultText = literalExpression ''
[
pkgs.cni-plugins
]
'';
example = literalExpression ''
[
pkgs.cniPlugins.dnsname
]
'';
description = lib.mdDoc ''
CNI plugins to install on the system.
'';
};
storage.settings = mkOption {
type = toml.type;
default = {
storage = {
driver = "overlay";
graphroot = "/var/lib/containers/storage";
runroot = "/run/containers/storage";
};
};
description = lib.mdDoc "storage.conf configuration";
};
registries = {
search = mkOption {
type = types.listOf types.str;
default = [ "docker.io" "quay.io" ];
description = lib.mdDoc ''
List of repositories to search.
'';
};
insecure = mkOption {
default = [ ];
type = types.listOf types.str;
description = lib.mdDoc ''
List of insecure repositories.
'';
};
block = mkOption {
default = [ ];
type = types.listOf types.str;
description = lib.mdDoc ''
List of blocked repositories.
'';
};
};
policy = mkOption {
default = { };
type = types.attrs;
example = literalExpression ''
{
default = [ { type = "insecureAcceptAnything"; } ];
transports = {
docker-daemon = {
"" = [ { type = "insecureAcceptAnything"; } ];
};
};
}
'';
description = lib.mdDoc ''
Signature verification policy file.
If this option is empty the default policy file from
`skopeo` will be used.
'';
};
};
config = lib.mkIf cfg.enable {
hardware.nvidia-container-toolkit-cdi-generator.enable = lib.mkIf cfg.cdi.dynamic.nvidia.enable true;
virtualisation.containers.containersConf.cniPlugins = [ pkgs.cni-plugins ];
virtualisation.containers.containersConf.settings = {
network.cni_plugin_dirs = map (p: "${lib.getBin p}/bin") cfg.containersConf.cniPlugins;
engine = {
init_path = "${pkgs.catatonit}/bin/catatonit";
} // lib.optionalAttrs cfg.ociSeccompBpfHook.enable {
hooks_dir = [ config.boot.kernelPackages.oci-seccomp-bpf-hook ];
};
};
environment.etc = let
cdiStaticConfigurationFiles = (lib.attrsets.mapAttrs'
(name: value:
lib.attrsets.nameValuePair "cdi/${name}.json"
{ text = builtins.toJSON value; })
cfg.cdi.static);
in {
"containers/containers.conf".source =
toml.generate "containers.conf" cfg.containersConf.settings;
"containers/storage.conf".source =
toml.generate "storage.conf" cfg.storage.settings;
"containers/registries.conf".source = toml.generate "registries.conf" {
registries = lib.mapAttrs (n: v: { registries = v; }) cfg.registries;
};
"containers/policy.json".source =
if cfg.policy != { } then pkgs.writeText "policy.json" (builtins.toJSON cfg.policy)
else "${pkgs.skopeo.policy}/default-policy.json";
} // cdiStaticConfigurationFiles;
};
}
|