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#!/usr/bin/perl
#------------------------------------------------------------------------------
# check_http_content
# retrieve an http/s url and checks its content for a given expression
# if the expression is found exits with OK, otherwise exits with CRITICAL
#
# Copyright 2007, CAPSiDE SL http://www.capside.com
# Licensed under GPLv2
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Opsview; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# -----------------------------------------------------------------------------
use strict;
use Getopt::Std;
use LWP::UserAgent;
my $plugin_name = 'check_http_content';
my $VERSION = '0.01';
# getopt module config
$Getopt::Std::STANDARD_HELP_VERSION = 1;
# nagios exit codes
use constant EXIT_OK => 0;
use constant EXIT_WARNING => 1;
use constant EXIT_CRITICAL => 2;
use constant EXIT_UNKNOWN => 3;
# parse cmd opts
my %opts;
getopts('vU:t:m:j', \%opts);
$opts{t} = 60 unless (defined $opts{t});
if (not (defined $opts{U} and defined $opts{m})) {
print "ERROR: INVALID USAGE\n";
HELP_MESSAGE();
exit EXIT_CRITICAL;
}
my ($response,$content);
my $status = EXIT_OK;
if ($opts{j}) {
require Selenium::Firefox;
my $driver = Selenium::Firefox->new( marionette_enabled => 1, binary => '/usr/local/sbin/geckodriver',
extra_capabilities => {
"moz:firefoxOptions" => {
args => ['-headless']
}
} );
$driver->get($opts{U});
$content = $driver->get_body();
$driver->shutdown_binary;
}
else {
my $ua = LWP::UserAgent->new;
$ua->timeout($opts{t});
$response = $ua->get($opts{U});
if (not $response->is_success) {
print "ERROR: CANNOT RETRIEVE URL: ", $response->status_line, "\n";
$status = EXIT_UNKNOWN;
}
else {
$content = $response->content;
}
}
# retrieve url
if ($content =~ m/$opts{m}/gsm) {
print "CONTENT OK: EXPR FOUND";
$status = EXIT_OK;
} else {
my @output_lines = split(/\n/, $content);
print "CONTENT ERROR: EXPR NOT FOUND (last: $output_lines[$#output_lines])\nfull output was:\n$content";
$status = EXIT_CRITICAL;
}
exit $status;
sub HELP_MESSAGE
{
print <<EOHELP
Retrieve an http/s URL and looks in its output for a given text.
Returns CRITICAL is not found, OK if found, UNKNOWN otherwise.
--help shows this message
--version shows version information
-U URL to retrieve (http or https)
-m <text> Text to match in the output of the URL
-t Timeout in seconds to wait for the URL to load. If the page fails to load,
$plugin_name will exit with UNKNOWN state (default 60)
-j Tests HTTP website using any mainstream JavaScript-enabled browser
EOHELP
;
}
sub VERSION_MESSAGE
{
print <<EOVM
$plugin_name v. $VERSION
Copyright 2007, CAPSiDE SL - http://www.capside.com - Licensed under GPLv2
EOVM
;
}