prometheus-apt

prometheus-apt.pl

#!/usr/bin/perl
# generates output for prometheus-node-exporter textfile collector

# run as cronjob. eg.
# 0 * * * * root /usr/local/bin/prometheus-apt > /var/lib/prometheus-textfile/prometheus-apt.prom

use strict;
use warnings;
use feature 'say';

say "# HELP apt_update
# TYPE apt_update gauge";

my $command = 'apt-get -o Debug::NoLocking=yes -s dist-upgrade -y';
open(my $fh, '-|', $command) or die $!;
while (my $line = <$fh>) {
    if ($line =~ /^Inst\s(\S+)\s(\[\S+\]\s)?\(\S+\s(.*)\s\[.*\]\)(\s\[.*\])?$/) {
        say 'apt_update{package="', $1, '",repository="', $3, '"} 1';
    }
}