nixpkgs/nixos/modules/virtualisation/lxd.nix
2018-02-10 17:18:53 +09:00

78 lines
1.8 KiB
Nix

# Systemd services for lxd.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.virtualisation.lxd;
in
{
###### interface
options = {
virtualisation.lxd.enable =
mkOption {
type = types.bool;
default = false;
description =
''
This option enables lxd, a daemon that manages
containers. Users in the "lxd" group can interact with
the daemon (e.g. to start or stop containers) using the
<command>lxc</command> command line tool, among others.
'';
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages =
[ pkgs.lxd ];
security.apparmor = {
enable = true;
profiles = [
"${pkgs.lxc}/etc/apparmor.d/usr.bin.lxc-start"
"${pkgs.lxc}/etc/apparmor.d/lxc-containers"
];
packages = [ pkgs.lxc ];
};
systemd.services.lxd =
{ description = "LXD Container Management Daemon";
wantedBy = [ "multi-user.target" ];
after = [ "systemd-udev-settle.service" ];
# TODO(wkennington): Add lvm2 and thin-provisioning-tools
path = with pkgs; [ acl rsync gnutar xz btrfs-progs gzip dnsmasq squashfsTools iproute iptables ];
preStart = ''
mkdir -m 0755 -p /var/lib/lxc/rootfs
'';
serviceConfig.ExecStart = "@${pkgs.lxd.bin}/bin/lxd lxd --syslog --group lxd";
serviceConfig.Type = "simple";
serviceConfig.KillMode = "process"; # when stopping, leave the containers alone
};
users.extraGroups.lxd.gid = config.ids.gids.lxd;
users.extraUsers.root = {
subUidRanges = [ { startUid = 1000000; count = 65536; } ];
subGidRanges = [ { startGid = 1000000; count = 65536; } ];
};
};
}