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changed fixed string comparison to regex comparison

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nredi 2022-02-17 10:35:02 +01:00
parent 2e8e519493
commit c5b536bdb5
1 changed files with 24 additions and 10 deletions
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34
check_json.pl
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@ -1,4 +1,5 @@
#!/usr/bin/env perl
# GH-Informatik 2018, based on https://github.com/c-kr/check_json
use warnings;
use strict;
@ -20,7 +21,7 @@ my $np = Nagios::Plugin->new(
. "[ -T|--contenttype <content-type> ] "
. "[ --ignoressl ] "
. "[ -h|--help ] ",
version => '0.5',
version => '1.0',
blurb => 'Nagios plugin to check JSON attributes via http(s)',
extra => "\nExample: \n"
. "check_json.pl --url http://192.168.5.10:9332/local_stats --attributes '{shares}->{dead}' "
@ -41,7 +42,7 @@ $np->add_arg(
$np->add_arg(
spec => 'attributes|a=s',
help => '-a, --attributes {shares}->{dead},{shares}->{uptime}',
help => '-a, --attributes <CSV list of perl structure IDs e.g. [0]->{state},[0]->{shares}->[0}->{uptime}',
required => 1,
);
@ -77,7 +78,7 @@ $np->add_arg(
$np->add_arg(
spec => 'outputvars|o=s',
help => "-o, --outputvars eg. '* or {status_message}'\n "
help => "-o, --outputvars eg. '* or {status_message}'\n "
. "CSV list of fields output in status message, same syntax as perfvars"
);
@ -152,22 +153,34 @@ my $resultTmp;
foreach my $attribute (sort keys %attributes){
my $check_value;
my $check_value_str = '$check_value = $json_response->'.$attribute;
if ($np->opts->verbose) { (print Dumper ($check_value_str))};
eval $check_value_str;
if (!defined $check_value) {
$np->nagios_exit(UNKNOWN, "No value received");
}
$resultTmp = 0;
if ($attributes{$attribute}{'divisor'}) {
my $cmpv1 = ".*";
$cmpv1 = $np->opts->expect if (defined( $np->opts->expect ) );
if ( $cmpv1 eq '.*' ) {
if ($attributes{$attribute}{'divisor'}) {
$check_value = $check_value/$attributes{$attribute}{'divisor'};
}
if (defined $np->opts->expect && $np->opts->expect ne $check_value) {
$np->nagios_exit(CRITICAL, "Expected value (" . $np->opts->expect . ") not found. Actual: " . $check_value);
}
}
# GHI GH-Informatik, changed fixed string compare to regex
# if (defined $np->opts->expect && $np->opts->expect ne $check_value) {
if (defined($cmpv1 ) && ( ! ( $check_value =~ m/$cmpv1/ ) ) ) {
$resultTmp = 2;
$np->nagios_exit(CRITICAL, "Expected value (" . $cmpv1 . ") not found. Actual: " . $check_value);
}
# GHI GH-Informatik, no numeric check if regex <> .*
if ( $cmpv1 eq '.*' ) {
if ( $check_value eq "true" or $check_value eq "false" ) {
if ( $check_value eq "true") {
$resultTmp = 0;
@ -202,6 +215,7 @@ if (defined $np->opts->expect && $np->opts->expect ne $check_value) {
critical => $attributes{$attribute}{'critical'}
);
}
}
$result = $resultTmp if $result < $resultTmp;
$attributes{$attribute}{'check_value'}=$check_value;
@ -234,7 +248,7 @@ if ($np->opts->perfvars) {
$np->add_perfdata(
label => lc $label,
value => $perf_value,
);
);
}
}
}