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29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
91 lines
2.3 KiB
Nix
91 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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fprotUser = "fprot";
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stateDir = "/var/lib/fprot";
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fprotGroup = fprotUser;
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cfg = config.services.fprot;
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in {
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options = {
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services.fprot = {
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updater = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable automatic F-Prot virus definitions database updates.
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'';
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};
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productData = mkOption {
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description = ''
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product.data file. Defaults to the one supplied with installation package.
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'';
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};
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frequency = mkOption {
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default = 30;
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description = ''
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Update virus definitions every X minutes.
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'';
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};
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licenseKeyfile = mkOption {
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description = ''
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License keyfile. Defaults to the one supplied with installation package.
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'';
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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.updater.enable {
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services.fprot.updater.productData = mkDefault "${pkgs.fprot}/opt/f-prot/product.data";
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services.fprot.updater.licenseKeyfile = mkDefault "${pkgs.fprot}/opt/f-prot/license.key";
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environment.systemPackages = [ pkgs.fprot ];
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environment.etc = singleton {
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source = "${pkgs.fprot}/opt/f-prot/f-prot.conf";
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target = "f-prot.conf";
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};
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users.extraUsers = singleton
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{ name = fprotUser;
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uid = config.ids.uids.fprot;
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description = "F-Prot daemon user";
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home = stateDir;
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};
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users.extraGroups = singleton
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{ name = fprotGroup;
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gid = config.ids.gids.fprot;
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};
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services.cron.systemCronJobs = [ "*/${toString cfg.updater.frequency} * * * * root start fprot-updater" ];
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jobs = {
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fprot_updater = {
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name = "fprot-updater";
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task = true;
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# have to copy fpupdate executable because it insists on storing the virus database in the same dir
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preStart = ''
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mkdir -m 0755 -p ${stateDir}
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chown ${fprotUser}:${fprotGroup} ${stateDir}
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cp ${pkgs.fprot}/opt/f-prot/fpupdate ${stateDir}
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ln -sf ${cfg.updater.productData} ${stateDir}/product.data
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'';
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#setuid = fprotUser;
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#setgid = fprotGroup;
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exec = "/var/lib/fprot/fpupdate --keyfile ${cfg.updater.licenseKeyfile}";
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};
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};
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};
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}
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