forked from mirrors/nixpkgs
84 lines
1.9 KiB
Nix
84 lines
1.9 KiB
Nix
# Systemd services for lxd.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.virtualisation.lxd;
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in
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{
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###### interface
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options = {
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virtualisation.lxd = {
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enable = 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 lxd, a daemon that manages
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containers. Users in the "lxd" group can interact with
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the daemon (e.g. to start or stop containers) using the
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<command>lxc</command> command line tool, among others.
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'';
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};
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zfsSupport = mkOption {
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type = types.bool;
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default = false;
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description = ''
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enables lxd to use zfs as a storage for containers.
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This option is enabled by default if a zfs pool is configured
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with nixos.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.lxd ];
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security.apparmor = {
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enable = true;
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profiles = [
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"${pkgs.lxc}/etc/apparmor.d/usr.bin.lxc-start"
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"${pkgs.lxc}/etc/apparmor.d/lxc-containers"
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];
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packages = [ pkgs.lxc ];
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};
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systemd.services.lxd = {
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description = "LXD Container Management Daemon";
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wantedBy = [ "multi-user.target" ];
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after = [ "systemd-udev-settle.service" ];
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path = lib.optional cfg.zfsSupport pkgs.zfs;
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preStart = ''
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mkdir -m 0755 -p /var/lib/lxc/rootfs
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'';
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serviceConfig = {
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ExecStart = "@${pkgs.lxd.bin}/bin/lxd lxd --group lxd";
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Type = "simple";
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KillMode = "process"; # when stopping, leave the containers alone
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};
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};
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users.groups.lxd.gid = config.ids.gids.lxd;
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users.users.root = {
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subUidRanges = [ { startUid = 1000000; count = 65536; } ];
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subGidRanges = [ { startGid = 1000000; count = 65536; } ];
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};
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};
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}
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