Update the locate database using a systemd service

This makes it easier to update the database manually ("systemctl start
update-locatedb").

Also, use modern module syntax.
This commit is contained in:
Eelco Dolstra 2013-08-14 02:58:55 +02:00
parent fc2fc63f4c
commit ce866184c6

View File

@ -1,12 +1,20 @@
{pkgs, config, ...}: { config, pkgs, ... }:
with pkgs.lib;
let
locatedb = "/var/cache/locatedb";
in
{
###### interface ###### interface
let
inherit (pkgs.lib) mkOption;
options = { options = {
services = {
locate = { services.locate = {
enable = mkOption { enable = mkOption {
default = false; default = false;
@ -29,32 +37,26 @@ let
}; };
}; };
};
in
###### implementation ###### implementation
let
locatedb = "/var/cache/locatedb";
updatedbCmd = config = {
"${config.services.locate.period} root " +
"mkdir -m 0755 -p $(dirname ${locatedb}) && " +
"nice -n 19 ${pkgs.utillinux}/bin/ionice -c 3 " +
"updatedb --localuser=nobody --output=${locatedb} > /var/log/updatedb 2>&1";
in
{ systemd.services.update-locatedb =
require = [ { description = "Update Locate Database";
# ../../upstart-jobs/cron.nix # config.services.cron path = [ pkgs.su ];
options script =
]; ''
mkdir -m 0755 -p $(dirname ${locatedb})
services = { exec updatedb --localuser=nobody --output=${locatedb}
cron = { '';
systemCronJobs = serviceConfig.Nice = 19;
pkgs.lib.optional serviceConfig.IOSchedulingClass = "idle";
config.services.locate.enable
updatedbCmd;
}; };
services.cron.systemCronJobs = optional config.services.locate.enable
"${config.services.locate.period} root ${config.systemd.package}/bin/systemctl start update-locatedb.service";
}; };
} }