From 8e233f74d3e218de01003a88a4e34d681001f712 Mon Sep 17 00:00:00 2001 From: Peter Palfrader Date: Wed, 3 Sep 2014 11:37:35 +0200 Subject: Move files around --- nagios-check-soas | 128 ------------------------------------------------------ 1 file changed, 128 deletions(-) delete mode 100755 nagios-check-soas (limited to 'nagios-check-soas') diff --git a/nagios-check-soas b/nagios-check-soas deleted file mode 100755 index 3b8e546..0000000 --- a/nagios-check-soas +++ /dev/null @@ -1,128 +0,0 @@ -#!/usr/bin/ruby - -# Copyright 2006, 2012 Peter Palfrader -# 2012 Uli Martens -# -# Permission is hereby granted, free of charge, to any person obtaining -# a copy of this software and associated documentation files (the -# "Software"), to deal in the Software without restriction, including -# without limitation the rights to use, copy, modify, merge, publish, -# distribute, sublicense, and/or sell copies of the Software, and to -# permit persons to whom the Software is furnished to do so, subject to -# the following conditions: -# -# The above copyright notice and this permission notice shall be -# included in all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -require 'ipaddr' -require 'resolv' -require 'optparse' -require 'yaml' - -NAGIOS_STATUS = { :OK => 0, :WARNING => 1, :CRITICAL => 2, :UNKNOWN => -1 }; -@verbose = 0; -@additional_nameservers = [] -@check_soa_nameservers = true; - -def show_help(parser, code=0, io=STDOUT) - program_name = File.basename($0, '.*') - io.puts "Usage: #{program_name} [options] [ ...]" - io.puts parser.summarize - exit(code) -end -ARGV.options do |opts| - opts.on_tail("-h", "--help" , "Display this help screen") { show_help(opts) } - opts.on("-v", "--verbose" , String, "Be verbose") { @verbose += 1 } - opts.on("-a", "--add=HOST" , String, "Also check SOA on ") { |val| @additional_nameservers << val } - opts.on("-n", "--no-soa-ns" , String, "Don't query SOA record for list of nameservers") { @check_soa_nameservers = false } - opts.parse! -end -show_help(ARGV.options, 1, STDERR) if ARGV.length == 0 - -if @additional_nameservers.count <= 1 and not @check_soa_nameservers - program_name = File.basename($0, '.*') - STDERR.puts "#{program_name}: Only know about #{@additional_nameservers.count} nameserver(s) and --no-soa-ns specified. I want at least two." - exit(1) -end - -warnings = [] -oks = [] - -def resolve_ns(dns, domain, nameserver) - puts "Getting A record for nameserver #{nameserver} for #{domain}" if @verbose > 0 - arecords = dns.getresources(nameserver, Resolv::DNS::Resource::IN::A) - warnings << "Nameserver #{nameserver} for #{domain} has #{arecords.length} A records" if arecords.length != 1 - addresses = arecords.map { |a| a.address.to_s } - puts "Addresses for nameserver #{nameserver} for #{domain}: #{addresses.join(', ')}" if @verbose > 0 - return addresses -end - -dns = Resolv::DNS.new -ARGV.each{ |domain| - serial = [] - nameserver_addresses = {} - if @check_soa_nameservers - nameservers = dns.getresources(domain, Resolv::DNS::Resource::IN::NS) - nameservernames = nameservers.collect{ |ns| ns.name.to_s } - nameservernames.each do |nameserver| - addrs = resolve_ns(dns, domain, nameserver) - warnings << "Duplicate nameserver #{nameserver} for #{domain}" if nameserver_addresses[nameserver] - nameserver_addresses[nameserver] = addrs - end - end - @additional_nameservers.each do |ns| - begin - ipa = IPAddr.new(ns) # check if it's an address - addrs = [ns] - rescue ArgumentError - addrs = resolve_ns(dns, domain, ns) - end - warnings << "Duplicate nameserver #{ns} for #{domain}" if nameserver_addresses[ns] - nameserver_addresses[ns] = addrs - end - - nameserver_addresses.each_pair do |nameserver, addrs| - puts "Testing nameserver #{nameserver} for #{domain}" if @verbose > 0 - addrs.each do |a| - puts " Nameserver #{nameserver} is at #{a}" if @verbose > 0 - begin - resolver = Resolv::DNS.new({:nameserver => a}) - soas = resolver.getresources(domain, Resolv::DNS::Resource::IN::SOA) - rescue SystemCallError => e - warnings << "Could not resolve #{domain} on #{nameserver}: #{e.message}" - else - resolver.close - warnings << "Nameserver #{nameserver} for #{domain} returns #{soas.length} SOAs" if soas.length != 1 - soas.each do |soa| - puts " Nameserver #{nameserver} returns serial #{soa.serial} for #{domain}" if @verbose > 0 - serial << soa.serial unless serial.include? soa.serial - end - end - end - end - case serial.length - when 0 - warnings << "Found no serials for #{domain}" - when 1 - oks << "#{domain} is at #{serial.first}" - else - warnings << "Nameservers disagree on serials for #{domain}: found #{serial.join(', ')}" if serial.length != 1 - end -} -dns.close - -if warnings.length > 0 - puts warnings.join('; ') - exit NAGIOS_STATUS[:WARNING] -else - puts oks.join('; ') - exit NAGIOS_STATUS[:OK] -end -- cgit v1.2.3