52 lines
1.2 KiB
Nix
52 lines
1.2 KiB
Nix
{pkgs, config}:
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let
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# !!! This should be defined somewhere else.
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locatedb = "/var/cache/locatedb";
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updatedbCmd =
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"${config.services.locate.period} root " +
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"mkdir -m 0755 -p $(dirname ${locatedb}) && " +
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"nice -n 19 ${pkgs.utillinux}/bin/ionice -c 3 " +
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"updatedb --localuser=nobody --output=${locatedb} > /var/log/updatedb 2>&1";
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# Put all the system cronjobs together.
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systemCronJobs =
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config.services.cron.systemCronJobs ++
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pkgs.lib.optional config.services.locate.enable updatedbCmd;
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systemCronJobsFile = pkgs.writeText "system-crontab" ''
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SHELL=${pkgs.bash}/bin/sh
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PATH=${pkgs.coreutils}/bin:${pkgs.findutils}/bin:${pkgs.gnused}/bin:${pkgs.su}/bin
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MAILTO=
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${pkgs.lib.concatStrings (map (job: job + "\n") systemCronJobs)}
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'';
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in
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{
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name = "cron";
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extraEtc = [
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# The system-wide crontab.
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{ source = systemCronJobsFile;
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target = "crontab";
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mode = "0600"; # Cron requires this.
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}
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];
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job = ''
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description "Cron daemon"
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start on startup
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stop on shutdown
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# Needed to interpret times in the local timezone.
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env TZ=${config.time.timeZone}
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respawn ${pkgs.cron}/sbin/cron -n
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'';
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}
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