51 lines
1.2 KiB
Nix
51 lines
1.2 KiB
Nix
{pkgs, ...}: let
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shutdownWaitMinutes = 15;
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shutdownScript = pkgs.writeShellScriptBin "shutdown-wait" ''
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STATUS_FILES="/media/internal/backups-pub-solar/status"
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running=""
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for f in $STATUS_FILES; do
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declare started
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declare finished
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started=$(source $f ; echo ''${BACKUP_STARTED})
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finished=$(source $f ; echo ''${BACKUP_FINISHED})
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if [ -z "''${finished}" ]; then
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echo "backup $(dirname $f) still running"
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running="yes"
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break
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fi
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done
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if [ -n "''${running}" ] && [ "''${running}" = "yes" ]; then
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echo "backups are still running"
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exit 1
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fi
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echo "WARNING: System will be shut down within the next 15 minutes" | wall
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sleep 10
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shutdown -P +${builtins.toString shutdownWaitMinutes}
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'';
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in {
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systemd.services."shutdown-after-backup" = {
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enable = true;
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serviceConfig = {
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ExecStart = "${shutdownScript}/bin/shutdown-wait";
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Type = "oneshot";
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};
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};
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systemd.timers."shutdown-after-backup" = {
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enable = true;
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timerConfig = {
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OnCalendar = "3..9:* Etc/UTC";
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};
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wantedBy = ["timers.target"];
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partOf = ["shutdown-after-backup.service"];
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};
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}
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