devos/users/modules/podman/podman.nix
2023-01-14 20:36:28 +01:00

135 lines
3.8 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.services.podman;
toml = pkgs.formats.toml { };
json = pkgs.formats.json { };
inherit (lib) mkOption types;
podmanPackage = (pkgs.podman.override { inherit (cfg) extraPackages; });
in
{
imports = [
#./podman-network-socket.nix
(lib.mkRenamedOptionModule [ "virtualisation" "podman" "libpod" ] [ "virtualisation" "containers" "containersConf" ])
];
meta = {
maintainers = lib.teams.podman.members;
};
options.services.podman = {
enable =
mkOption {
type = types.bool;
default = false;
description = ''
This option enables Podman, a daemonless container engine for
developing, managing, and running OCI Containers on your Linux System.
It is a drop-in replacement for the <command>docker</command> command.
'';
};
enableNvidia = mkOption {
type = types.bool;
default = false;
description = ''
Enable use of NVidia GPUs from within podman containers.
'';
};
extraPackages = mkOption {
type = with types; listOf package;
default = [ ];
example = lib.literalExample ''
[
pkgs.gvisor
]
'';
description = ''
Extra packages to be installed in the Podman wrapper.
'';
};
package = lib.mkOption {
type = types.package;
default = podmanPackage;
internal = true;
description = ''
The final Podman package (including extra packages).
'';
};
defaultNetwork.extraPlugins = lib.mkOption {
type = types.listOf json.type;
default = [ ];
description = ''
Extra CNI plugin configurations to add to podman's default network.
'';
};
};
config = lib.mkIf cfg.enable
{
home.packages = [ cfg.package ];
xdg.configFile."containers/networks/podman.json".source = json.generate "podman.json" ({
dns_enabled = false;
driver = "bridge";
id = "0000000000000000000000000000000000000000000000000000000000000000";
internal = false;
ipam_options = { driver = "host-local"; };
ipv6_enabled = false;
name = "podman";
network_interface = "podman0";
subnets = [{ gateway = "10.88.0.1"; subnet = "10.88.0.0/16"; }];
});
virtualisation.containers = {
enable = true; # Enable common /etc/containers configuration
containersConf.settings = lib.optionalAttrs cfg.enableNvidia {
network.network_backend = "netavark";
engine = {
conmon_env_vars = [ "PATH=${lib.makeBinPath [ pkgs.nvidia-podman ]}" ];
runtimes.nvidia = [ "${pkgs.nvidia-podman}/bin/nvidia-container-runtime" ];
};
};
};
systemd.user = {
services.podman = {
Unit = {
Description = "Podman API Service";
Requires = "podman.socket";
After = "podman.socket";
Documentation = "man:podman-system-service(1)";
StartLimitIntervalSec = 0;
};
Service = {
Type = "exec";
KillMode = "process";
Environment = [ "LOGGING=\" --log-level=info\"" ];
ExecStart = "${pkgs.bash}/bin/bash -c 'PATH=\"$PATH:/run/wrappers/bin\" ${cfg.package}/bin/podman $LOGGING system service'";
};
Install = {
WantedBy = [ "multi-user.target" ];
};
};
sockets.podman = {
Unit = {
Description = "Podman API Socket";
Documentation = "man:podman-system-service(1)";
};
Socket = {
ListenStream = "%t/podman/podman.sock";
SocketMode = 0660;
};
Install.WantedBy = [ "sockets.target" ];
};
};
};
}