95 lines
2.2 KiB
Nix
95 lines
2.2 KiB
Nix
{pkgs, config, ...}:
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###### interface
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let
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inherit (pkgs.lib) mkOption;
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options = {
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services = {
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cron = {
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mailto = mkOption {
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default = "";
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description = " The job output will be mailed to this email address. ";
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};
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systemCronJobs = mkOption {
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default = [];
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example = [
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"* * * * * test ls -l / > /tmp/cronout 2>&1"
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"* * * * * eelco echo Hello World > /home/eelco/cronout"
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];
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description = ''
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A list of Cron jobs to be appended to the system-wide
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crontab. See the manual page for crontab for the expected
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format. If you want to get the results mailed you must setuid
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sendmail. See <option>security.setuidOwners</option>
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'';
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};
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};
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};
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};
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in
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###### implementation
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let
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inherit (config.services) jobsTags;
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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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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:${pkgs.su}/bin
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MAILTO="${config.services.cron.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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require = [
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(import ../upstart-jobs/default.nix) # config.services.extraJobs
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# (import ?) # config.time.timeZone
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# (import ?) # config.environment.etc
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# (import ?) # config.environment.extraPackages
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# (import ?) # config.environment.cleanStart
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options
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];
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environment = {
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etc = [
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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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extraPackages =
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pkgs.lib.optional
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(!config.environment.cleanStart)
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pkgs.cron;
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};
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services = {
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extraJobs = [{
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name = "cron";
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job = ''
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description "Cron daemon"
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start on ${jobsTags.system.start}
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stop on ${jobsTags.system.stop}
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# Needed to interpret times in the local timezone.
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env TZ=${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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};
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}
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