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check_ambari_cluster_kerberized.pl
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check_ambari_cluster_kerberized.pl
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#!/usr/bin/perl -T
# nagios: -epn
#
# Author: Hari Sekhon
# Date: 2015-11-26 19:44:32 +0000 (Thu, 26 Nov 2015)
#
# https://github.com/harisekhon/nagios-plugins
#
# License: see accompanying LICENSE file
#
$DESCRIPTION = "Nagios Plugin to check that an Ambari managed Hadoop cluster has Kerberos security enabled via Ambari REST API
Returns CRITICAL if security_type != KERBEROS
Tested on Ambari 2.1.0 on Hortonworks HDP 2.2, 2.3";
$VERSION = "0.1";
use strict;
use warnings;
BEGIN {
use File::Basename;
use lib dirname(__FILE__) . "/lib";
}
use HariSekhonUtils;
use HariSekhon::Ambari;
$ua->agent("Hari Sekhon $progname version $main::VERSION");
%options = (
%hostoptions,
%useroptions,
%ambari_options,
);
get_options();
$host = validate_host($host);
$port = validate_port($port);
$user = validate_user($user);
$password = validate_password($password);
$cluster = validate_ambari_cluster($cluster) if $cluster;
validate_tls();
vlog2;
set_timeout();
$status = "OK";
$url_prefix = "$protocol://$host:$port$api";
list_ambari_components();
cluster_required();
$msg = "Ambari cluster '$cluster' security type = ";
$json = curl_ambari "$url_prefix/clusters/$cluster?fields=Clusters/security_type";
my $security_type = get_field("Clusters.security_type");
$msg .= $security_type;
if($security_type ne "KERBEROS"){
critical;
$msg .= " (expected KERBEROS)";
}
vlog2;
quit $status, $msg;