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#!/usr/bin/env perl
use v5.20;
use strictures 2;
use sigtrap qw/handler handle_signal normal-signals/;
use experimental qw/smartmatch signatures/;
use Linux::Systemd::Daemon ':all';
use Linux::Systemd::Journal::Write;
my $sleep_max = 8;
my $jnl = Linux::Systemd::Journal::Write->new;
sub handle_signal($signal) {
$jnl->print("Got a SIG$signal");
given ($signal) {
when ('HUP') {
sd_notify(reloading => 1, status => 'Reloading configuration...');
$jnl->print('pretending to reload configuration');
sleep rand($sleep_max);
Linux::Systemd::Daemon::notify("READY=1");
}
when (/TERM|INT/) {
sd_notify(stopping => 1, status => 'Shutting down...');
$jnl->print('pretending to do some clean up tasks');
sleep rand($sleep_max);
exit;
}
}
}
$jnl->print('pretending to do some initialisation tasks');
sleep rand($sleep_max);
sd_ready();
while (1) {
$jnl->print('looping');
sd_notify(watchdog => 1, status => 'Main loop running');
sleep rand($sleep_max);
}
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