diff options
Diffstat (limited to 'nixos/modules/services/system/nscd.nix')
-rw-r--r-- | nixos/modules/services/system/nscd.nix | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/nixos/modules/services/system/nscd.nix b/nixos/modules/services/system/nscd.nix new file mode 100644 index 000000000000..b817b1df779f --- /dev/null +++ b/nixos/modules/services/system/nscd.nix @@ -0,0 +1,72 @@ +{pkgs, config, ...}: + +with pkgs.lib; + +let + + nssModulesPath = config.system.nssModules.path; + + inherit (pkgs.lib) singleton; + +in + +{ + + ###### interface + + options = { + + services.nscd = { + + enable = mkOption { + type = types.bool; + default = true; + description = "Whether to enable the Name Service Cache Daemon."; + }; + + }; + + }; + + + ###### implementation + + config = mkIf config.services.nscd.enable { + + users.extraUsers = singleton + { name = "nscd"; + uid = config.ids.uids.nscd; + description = "Name service cache daemon user"; + }; + + systemd.services.nscd = + { description = "Name Service Cache Daemon"; + + wantedBy = [ "nss-lookup.target" "nss-user-lookup.target" ]; + + environment = { LD_LIBRARY_PATH = nssModulesPath; }; + + preStart = + '' + mkdir -m 0755 -p /run/nscd + rm -f /run/nscd/nscd.pid + mkdir -m 0755 -p /var/db/nscd + ''; + + restartTriggers = [ config.environment.etc.hosts.source ]; + + serviceConfig = + { ExecStart = "@${pkgs.glibc}/sbin/nscd nscd -f ${./nscd.conf}"; + Type = "forking"; + PIDFile = "/run/nscd/nscd.pid"; + Restart = "always"; + ExecReload = + [ "${pkgs.glibc}/sbin/nscd --invalidate passwd" + "${pkgs.glibc}/sbin/nscd --invalidate group" + "${pkgs.glibc}/sbin/nscd --invalidate hosts" + ]; + }; + }; + + }; +} |