A small Nagios plugin for monitoring search hit counts. Don’t take it too seriously.
Seeing the ‘Twittermeter’ the first time while listening to The social seismograph during this year’s OSMC, I realized that there is a quite some potential in monitoring ‘external’ metrics or KPIs. Why not ‘misuse’ Nagios for tracking these sort of metrics ? (This kind of ideas probably pops up only after having a hard night before ;-)
When the days get shorter and the mood is going down, maybe this small Nagios plugin can help you out. Let it search for anything you are proud of (a nicely crafted plugin, tutorials you’ve written, yourself, …) on Google and let you alarm when the search count hits some certain watermark. If you use pnp4nagios, a nicely historical graph will prove your ever increasing popularity. It’s called check_ego.pl, by the way.
#!/usr/bin/perl
use Nagios::Plugin;
use REST::Google::Search;
use strict;
# 1: Search pattern, 2: Warning threshold, 3: Critical threshold
my ($search,$warn,$crit) = @ARGV;
# Please be nice and add a real referer (and probably an API-Key, too):
REST::Google::Search->http_referer('http://www.example.com');
my $np = new Nagios::Plugin();
# Search on google (one hit is enough)
my $res = REST::Google::Search->new(q => $search, rsz => 1);
$np->nagios_die("Search for '$search' failed: " . $res->responseStatus)
if $res->responseStatus != 200;
my $count = $res->responseData->cursor->estimatedResultCount;
# Check against given thresholds
my $code = $np->check_threshold(check => $count,
warning => $warn,
critical => $crit);
$np->add_perfdata(label => "Google $search",value => $count);
$np->nagios_exit($code,
($code != OK ? "Ego boosted !" : "Still waiting ... ") .
" ($count hits for '$search')");And here is the nagios configuration. I use a check_interval of one day since search hit counts are not supposed to change hourly. You probably want to adapt your PNP template to cope with this large interval. Also, you probably want to disable the host check here, too (unless you intend to make an availability report of www.google.com, too).
define command {
command_name check_ego
command_line $USER3$/check_ego.pl "$ARG1$" "$ARG2$" "$ARG3$"
}
define host {
use generic-host
host_name google
alias google
address www.google.com
}
define service {
use generic-service,srv-pnp
name google_jmx4perl
service_description Google jmx4perl
host_name google
# Search Google only once a day:
check_interval 1440
check_command check_ego!jmx4perl!500!600
}