shorkie-flake/base/virtualisation/libvirt.nix

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979 B
Nix

# https://gist.github.com/CRTified/43b7ce84cd238673f7f24652c85980b3?permalink_comment_id=3793931
{ lib, pkgs, config, ... }:
with lib;
let
cfg = config.virtualisation.libvirtd;
boolToZeroOne = x: if x then "1" else "0";
aclString = with lib.strings;
concatMapStringsSep ''
,
'' escapeNixString cfg.deviceACL;
in {
options.virtualisation.libvirtd = {
deviceACL = mkOption {
type = types.listOf types.str;
default = [ ];
};
clearEmulationCapabilities = mkOption {
type = types.bool;
default = true;
};
};
# Add qemu-libvirtd to the input group if required
config.users.users."qemu-libvirtd" = {
extraGroups = optionals (!cfg.qemu.runAsRoot) [ "kvm" "input" ];
isSystemUser = true;
};
config.virtualisation.libvirtd.qemu.verbatimConfig = ''
clear_emulation_capabilities = ${
boolToZeroOne cfg.clearEmulationCapabilities
}
cgroup_device_acl = [
${aclString}
]
'';
}