mirror of
https://github.com/c-kr/check_json.git
synced 2024-11-23 19:03:49 +01:00
89 lines
2.4 KiB
Perl
89 lines
2.4 KiB
Perl
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#!/usr/bin/env perl
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use warnings;
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use strict;
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use LWP::UserAgent;
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use JSON 'decode_json';
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use Nagios::Plugin;
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use Data::Dumper;
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my $np = Nagios::Plugin->new(
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usage => "Usage: %s [ -v|--verbose ] [-U <URL>] [-t <timeout>] "
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. "[ -c|--critical <threshold> ] [ -w|--warning <threshold> ] "
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. "[ -a | --attribute ] <attribute>",
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version => '0.1',
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blurb => 'Nagios plugin to check JSON attributes via http(s)',
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extra => "\nExample: \n"
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. "check_json.pl -U http://192.168.5.10:9332/local_stats -a '{shares}->{dead}' -w :5 -c :10",
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url => 'url',
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license => 'GPLv2',
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plugin => 'check_json',
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timeout => 15,
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);
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# add valid command line options and build them into your usage/help documentation.
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$np->add_arg(
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spec => 'URL|U=s',
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help => '-U, --URL http://192.168.5.10:9332/local_stats',
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required => 1,
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);
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$np->add_arg(
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spec => 'attribute|a=s',
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help => '-a, --attribute {shares}->{dead}',
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required => 1,
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);
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$np->add_arg(
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spec => 'warning|w=s',
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help => '-w, --warning INTEGER:INTEGER . See '
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. 'http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT '
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. 'for the threshold format. ',
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);
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$np->add_arg(
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spec => 'critical|c=s',
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help => '-c, --critical INTEGER:INTEGER . See '
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. 'http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT '
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. 'for the threshold format. ',
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);
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# Parse @ARGV and process standard arguments (e.g. usage, help, version)
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$np->getopts;
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## GET URL
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my $ua = LWP::UserAgent->new;
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$ua->agent('Redirect Bot');
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$ua->protocols_allowed( [ 'http', 'https'] );
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$ua->parse_head(0);
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$ua->timeout($np->opts->timeout);
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my $response = $ua->get($np->opts->URL);
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if ($response->header("content-type") ne 'application/json') {
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$np->nagios_exit(UNKNOWN,"Content type is not JSON: ".$response->header("content-type"));
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}
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my $json_response = decode_json($response->content) ; #NAG-EXIT;
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if ($np->opts->verbose) { (print Dumper ($json_response))};
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my $value;
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my $exec = '$value = $json_response->'.$np->opts->attribute;
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if ($np->opts->verbose) {print "EXEC is: $exec \n"};
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eval $exec;
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if (!defined $value) {
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$np->nagios_exit(UNKNOWN, "No value received");
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}
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$np->add_perfdata(
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label => 'value',
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value => $value,
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#threshold => $threshold,
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);
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$np->nagios_exit(
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return_code => $np->check_threshold($value),
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message => $value
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);
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