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#!/usr/bin/perl

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

use strict;
use warnings;
use 5.10.1;

use lib qw(. lib local/lib/perl5);

use Bugzilla;
use Bugzilla::Constants;

Bugzilla->usage_mode(USAGE_MODE_CMDLINE);

# Number of jobs required in the queue before we alert

use constant WARN_COUNT  => 500;
use constant ALARM_COUNT => 750;

use constant NAGIOS_OK       => 0;
use constant NAGIOS_WARNING  => 1;
use constant NAGIOS_CRITICAL => 2;

my $connector = shift || die "Syntax: $0 connector\neg. $0 TCL\n";
$connector = uc($connector);

my $sql = <<EOF;
    SELECT COUNT(*)
      FROM push_backlog
     WHERE connector = ?
EOF

my $dbh = Bugzilla->switch_to_shadow_db;
my ($count) = @{$dbh->selectcol_arrayref($sql, undef, $connector)};

if ($count < WARN_COUNT) {
  print "push $connector OK: $count messages found.\n";
  exit NAGIOS_OK;
}
elsif ($count < ALARM_COUNT) {
  print "push $connector WARNING: $count messages found.\n";
  exit NAGIOS_WARNING;
}
else {
  print "push $connector CRITICAL: $count messages found.\n";
  exit NAGIOS_CRITICAL;
}