fedd7cd690
This is slightly more verbose and inconvenient, but it forces you to think about what the wrapper ownership and permissions will be.
103 lines
2.7 KiB
Nix
103 lines
2.7 KiB
Nix
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.incron;
|
|
|
|
in
|
|
|
|
{
|
|
options = {
|
|
|
|
services.incron = {
|
|
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Whether to enable the incron daemon.
|
|
|
|
Note that commands run under incrontab only support common Nix profiles for the <envar>PATH</envar> provided variable.
|
|
'';
|
|
};
|
|
|
|
allow = mkOption {
|
|
type = types.nullOr (types.listOf types.str);
|
|
default = null;
|
|
description = ''
|
|
Users allowed to use incrontab.
|
|
|
|
If empty then no user will be allowed to have their own incrontab.
|
|
If <literal>null</literal> then will defer to <option>deny</option>.
|
|
If both <option>allow</option> and <option>deny</option> are null
|
|
then all users will be allowed to have their own incrontab.
|
|
'';
|
|
};
|
|
|
|
deny = mkOption {
|
|
type = types.nullOr (types.listOf types.str);
|
|
default = null;
|
|
description = "Users forbidden from using incrontab.";
|
|
};
|
|
|
|
systab = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = "The system incrontab contents.";
|
|
example = ''
|
|
/var/mail IN_CLOSE_WRITE abc $@/$#
|
|
/tmp IN_ALL_EVENTS efg $@/$# $&
|
|
'';
|
|
};
|
|
|
|
extraPackages = mkOption {
|
|
type = types.listOf types.package;
|
|
default = [];
|
|
example = literalExample "[ pkgs.rsync ]";
|
|
description = "Extra packages available to the system incrontab.";
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
warnings = optional (cfg.allow != null && cfg.deny != null)
|
|
"If `services.incron.allow` is set then `services.incron.deny` will be ignored.";
|
|
|
|
environment.systemPackages = [ pkgs.incron ];
|
|
|
|
security.wrappers.incrontab =
|
|
{ setuid = true;
|
|
owner = "root";
|
|
group = "root";
|
|
source = "${pkgs.incron}/bin/incrontab";
|
|
};
|
|
|
|
# incron won't read symlinks
|
|
environment.etc."incron.d/system" = {
|
|
mode = "0444";
|
|
text = cfg.systab;
|
|
};
|
|
environment.etc."incron.allow" = mkIf (cfg.allow != null) {
|
|
text = concatStringsSep "\n" cfg.allow;
|
|
};
|
|
environment.etc."incron.deny" = mkIf (cfg.deny != null) {
|
|
text = concatStringsSep "\n" cfg.deny;
|
|
};
|
|
|
|
systemd.services.incron = {
|
|
description = "File System Events Scheduler";
|
|
wantedBy = [ "multi-user.target" ];
|
|
path = cfg.extraPackages;
|
|
serviceConfig.PIDFile = "/run/incrond.pid";
|
|
serviceConfig.ExecStartPre = "${pkgs.coreutils}/bin/mkdir -m 710 -p /var/spool/incron";
|
|
serviceConfig.ExecStart = "${pkgs.incron}/bin/incrond --foreground";
|
|
};
|
|
};
|
|
|
|
}
|