59 lines
1.9 KiB
Perl
59 lines
1.9 KiB
Perl
#!/usr/bin/perl
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use strict;
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use warnings;
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use LWP::Simple;
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use Data::Dump qw(dump); #libdata-dump-perl
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use Web::Scraper; #libweb-scraper-perl
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use Monitoring::Plugin; #libmonitoring-plugin-perl
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my $np = Monitoring::Plugin->new(
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usage => '',
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plugin => $0,
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shortname => "Balancer Members",
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blurb => 'Apache 2 Load Balancer Manager Members',
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timeout => 10
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);
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$np->add_arg(
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spec => 'hostname|h=s',
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help => 'hostname of the apache server',
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required => 1
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);
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$np->add_arg(
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spec => 'path|p=s',
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help => 'path to the balancer url',
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required => 1
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);
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$np->getopts;
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my $response = get("http://".$np->opts->hostname."/".$np->opts->path);
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my $s = scraper {
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process 'table:nth-of-type(2) tr', 'members[]' => scraper {
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process 'td:nth-of-type(1)', 'worker' => 'TEXT';
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process 'td:nth-of-type(6)', 'status' => 'TEXT';
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process 'td:nth-of-type(7)', 'elected' => 'TEXT';
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process 'td:nth-of-type(8)', 'busy' => 'TEXT';
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process 'td:nth-of-type(9)', 'load' => 'TEXT';
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process 'td:nth-of-type(10)', 'to' => 'TEXT';
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process 'td:nth-of-type(11)', 'from' => 'TEXT';
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}
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};
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my $results = $s->scrape($response);
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my @problemMembers = ();
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my $at_least_one_is_ok = 0;
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foreach my $member (@{$results->{'members'}})
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{
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next unless $member->{'worker'};
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push @problemMembers, $member->{'worker'} if $member->{'status'} =~ /Err/i;
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$at_least_one_is_ok = 1 if $member->{'status'} =~ /Ok\s?$/;
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$np->add_perfdata(label => "elected-$member->{'worker'}", value => $member->{'elected'}, uom => 'c');
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$np->add_perfdata(label => "busy-$member->{'worker'}", value => $member->{'busy'}, uom => 'rqts');
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}
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$np->nagios_exit('CRITICAL', "No members are Ok; there is a problem") unless $at_least_one_is_ok;
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$np->nagios_exit('CRITICAL', "Members have errors: " . join (", ", @problemMembers)) if (@problemMembers > 0);
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$np->nagios_exit('OK', "All members functioning correctly");
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