From 581fc6ce9228fda0f4e3c7bc2b3739cf93805f3e Mon Sep 17 00:00:00 2001 From: Jan Wagner Date: Mon, 29 May 2017 15:12:21 +0200 Subject: [PATCH] Adding check_apache_balancer_members --- check_apache_balancer_members/Makefile | 4 ++ .../check_apache_balancer_members | 55 +++++++++++++++++++ check_apache_balancer_members/control | 6 ++ check_apache_balancer_members/copyright | 15 +++++ .../MonitoringPlugin | 47 ++++++++++++++++ .../patches/check_apache_balancer_members/epn | 10 ++++ debian/patches/series | 2 + 7 files changed, 139 insertions(+) create mode 100644 check_apache_balancer_members/Makefile create mode 100644 check_apache_balancer_members/check_apache_balancer_members create mode 100644 check_apache_balancer_members/control create mode 100644 check_apache_balancer_members/copyright create mode 100644 debian/patches/check_apache_balancer_members/MonitoringPlugin create mode 100644 debian/patches/check_apache_balancer_members/epn diff --git a/check_apache_balancer_members/Makefile b/check_apache_balancer_members/Makefile new file mode 100644 index 0000000..52de70c --- /dev/null +++ b/check_apache_balancer_members/Makefile @@ -0,0 +1,4 @@ +#/usr/bin/make -f + +include ../common.mk + diff --git a/check_apache_balancer_members/check_apache_balancer_members b/check_apache_balancer_members/check_apache_balancer_members new file mode 100644 index 0000000..e83ff68 --- /dev/null +++ b/check_apache_balancer_members/check_apache_balancer_members @@ -0,0 +1,55 @@ +#!/usr/bin/perl +use strict; +use warnings; +use LWP::Simple; +use Data::Dump qw(dump); #libdata-dump-perl +use Nagios::Plugin; #libnagios-plugin-perl +use Web::Scraper; #libweb-scraper-perl + +my $np = Nagios::Plugin->new( + usage => '', + plugin => $0, + shortname => "Balancer Members", + blurb => 'Apache 2 Load Balancer Manager Members', + timeout => 10 +); + +$np->add_arg( + spec => 'hostname|h=s', + help => 'hostname of the apache server', + required => 1 +); + +$np->add_arg( + spec => 'path|p=s', + help => 'path to the balancer url', + required => 1 +); + +$np->getopts; + +my $response = get("http://".$np->opts->hostname."/".$np->opts->path); +my $s = scraper { + process 'table:nth-of-type(2) tr:not(:first-child)', 'members[]' => scraper { + process 'td:nth-of-type(1)', 'worker' => 'TEXT'; + process 'td:nth-of-type(6)', 'status' => 'TEXT'; + process 'td:nth-of-type(7)', 'elected' => 'TEXT'; + process 'td:nth-of-type(8)', 'to' => 'TEXT'; + process 'td:nth-of-type(9)', 'from' => 'TEXT'; + } +}; + +my $results = $s->scrape($response); + +my @problemMembers = (); +my $at_least_one_is_ok = 0; + +foreach my $member (@{$results->{'members'}}) +{ + push @problemMembers, $member->{'worker'} if $member->{'status'} =~ /Err/i; + $at_least_one_is_ok = 1 if $member->{'status'} =~ /Ok\s?$/; +} + +$np->nagios_exit('CRITICAL', "No members are Ok; there is a problem") unless $at_least_one_is_ok; +$np->nagios_exit('CRITICAL', "Members have errors: " . join (", ", @problemMembers)) if (@problemMembers > 0); +$np->nagios_exit('OK', "All members functioning correctly"); diff --git a/check_apache_balancer_members/control b/check_apache_balancer_members/control new file mode 100644 index 0000000..a7fa8aa --- /dev/null +++ b/check_apache_balancer_members/control @@ -0,0 +1,6 @@ +Homepage: https://raw.github.com/mintsoft/check_apache_balancer_members/master/check_apache_balancer_members.pl +Watch: https://github.com/mintsoft/check_apache_balancer_members ]*>\s+([0-9a-f]+)\s+ +Recommends: libdata-dump-perl, libweb-scraper-perl, libmonitoring-plugin-perl | libnagios-plugin-perl +Version: a9827f1 +Uploaders: Jan Wagner +Description: plugin to monitor Apache2 balancer_manager diff --git a/check_apache_balancer_members/copyright b/check_apache_balancer_members/copyright new file mode 100644 index 0000000..6e1ac54 --- /dev/null +++ b/check_apache_balancer_members/copyright @@ -0,0 +1,15 @@ +Copyright Copyright 2015 Robert Emery/Codeweavers Ltd + +License: Apache-2.0 + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/debian/patches/check_apache_balancer_members/MonitoringPlugin b/debian/patches/check_apache_balancer_members/MonitoringPlugin new file mode 100644 index 0000000..32627f0 --- /dev/null +++ b/debian/patches/check_apache_balancer_members/MonitoringPlugin @@ -0,0 +1,47 @@ +From a9a62a4c646acac9a2db826c529efcc599786a93 Mon Sep 17 00:00:00 2001 +From: Jan Wagner +Date: Mon, 29 May 2017 12:37:12 +0200 +Subject: [PATCH] Adding support for Monitoring::Plugin + +--- + check_apache_balancer_members.pl | 25 +++++++++++++++++++++++-- + 1 file changed, 23 insertions(+), 2 deletions(-) + +diff --git a/check_apache_balancer_members/check_apache_balancer_members b/check_apache_balancer_members/check_apache_balancer_members +index e83ff68..3c811fd 100644 +--- a/check_apache_balancer_members/check_apache_balancer_members ++++ b/check_apache_balancer_members/check_apache_balancer_members +@@ -3,10 +3,31 @@ + use warnings; + use LWP::Simple; + use Data::Dump qw(dump); #libdata-dump-perl +-use Nagios::Plugin; #libnagios-plugin-perl + use Web::Scraper; #libweb-scraper-perl + +-my $np = Nagios::Plugin->new( ++sub load_module { ++ my @names = @_; ++ my $module; ++ for my $name (@names) { ++ my $file = $name; ++ # requires need either a bare word or a file name ++ $file =~ s{::}{/}gsxm; ++ $file .= '.pm'; ++ eval { ++ require $file; ++ $name->import(); ++ $module = $name; ++ }; ++ last if $module; ++ } ++ return $module; ++} ++ ++my $plugin_module; ++ ++$plugin_module = load_module( 'Monitoring::Plugin', 'Nagios::Plugin' ); #libmonitoring-plugin-perl or libnagios-plugin-perl ++ ++my $np = $plugin_module->new( + usage => '', + plugin => $0, + shortname => "Balancer Members", diff --git a/debian/patches/check_apache_balancer_members/epn b/debian/patches/check_apache_balancer_members/epn new file mode 100644 index 0000000..019644d --- /dev/null +++ b/debian/patches/check_apache_balancer_members/epn @@ -0,0 +1,10 @@ +diff --git a/check_apache_balancer_members/check_apache_balancer_members b/check_apache_balancer_members/check_apache_balancer_members +index e83ff68..1cb63da 100644 +--- a/check_apache_balancer_members/check_apache_balancer_members ++++ b/check_apache_balancer_members/check_apache_balancer_members +@@ -1,4 +1,5 @@ + #!/usr/bin/perl ++# nagios: -epn + use strict; + use warnings; + use LWP::Simple; diff --git a/debian/patches/series b/debian/patches/series index a21cfb0..6501d9f 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -1,3 +1,5 @@ +check_apache_balancer_members/MonitoringPlugin +check_apache_balancer_members/epn check_ipsec/10_pathes check_ipsec/15_fix_syntax check_ipsec/20_remove_gateway