# build nagios and nrpe config from a single master config file
-# Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009 Peter Palfrader <peter@palfrader.org>
+# Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009
, 2010 Peter Palfrader <peter@palfrader.org>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# host/service/etc definitions
#
# It skips over such keys as are listed in exclude_keys
-# and also skips private keys (those starting with an underscre)
+# and also skips private keys (those starting with an underscore)
def print_block(fd, kind, hash, exclude_keys)
fd.puts "define #{kind} {"
- hash.each_pair{ |key, value|
+ hash.keys.sort.each{ |key|
next if key[0,1] == '_'
next if exclude_keys.include? key
- fd.puts " #{key} #{value}"
+ fd.puts " #{key} #{hash[key]}"
}
fd.puts "}"
fd.puts
[host, service].each{ |source|
contacts.push source[k] if source.has_key?(k)
}
- service[k] = contacts.join(",") unless contacts.empty?
+ service[k] = contacts.sort.join(",") unless contacts.empty?
}
end
service['depends'] << NRPE_PROCESS_SERVICE unless service['service_description'] == NRPE_PROCESS_SERVICE # Depend on NRPE unless we are it
end
- hosts.each{ |host|
+ hosts.sort.each{ |host|
s = service.clone
set_complain_if_set s, 'host_name', host, 'Service', s['service_description']
merge_contacts(servers[host], s)
- print_block files['services'], 'service', s, %w(nrpe runfrom remotecheck
- depends
- hosts hostgroups excludehosts excludehostgroups)
+ exclude_keys = %w(nrpe runfrom remotecheck
+ depends
+ hosts hostgroups excludehosts excludehostgroups)
+ if servers[host]['no-servicegroups']
+ exclude_keys << 'servicegroups'
+ end
+ print_block files['services'], 'service', s, exclude_keys
}
if service['depends']
- service['depends'].each{ |prerequisite|
- hosts.each{ |host|
+ service['depends'].sort.each{ |prerequisite|
+ hosts.sort.each{ |host|
prerequisite_host = host
pre = prerequisite
# split off a hostname if there's one
set_complain_if_set service['_extinfo'], 'service_description' , service['service_description'], 'serviceextinfo', service['service_description']
- set_complain_if_set service['_extinfo'], 'host_name' , hosts.join(',') , 'serviceextinfo', service['service_description']
+ set_complain_if_set service['_extinfo'], 'host_name' , hosts.sort.join(',') , 'serviceextinfo', service['service_description']
print_block files['serviceextinfo'], 'serviceextinfo', service['_extinfo'], %w()
end
hosts = merge_hosts_and_hostgroups service, servers, hostgroups, ''
excludehosts = merge_hosts_and_hostgroups service, servers, hostgroups, 'exclude'
- excludehosts.each{ |host|
+ excludehosts.uniq.each{ |host|
if hosts.delete(host) == nil
- throw "Cannot remove host #{host} from service #{service['service_description']}: it's not included anyway or excluded twice."
+ puts "info: [service #{service['service_description']}] not excluding host #{host} - it's not included anyway."
end
}
##############
# HOSTS
##############
-config['servers'].each_pair{ |name, server|
+config['servers'].keys.sort.each{ |name|
+ server = config['servers'][name]
# Formerly we used 'ip' instead of 'address' in our source file
# Handle this change but warn XXX
if server.has_key?('ip')
set_if_unset server, 'use' , HOST_TEMPLATE_NAME
set_if_unset server, 'check_command', HOST_ALIVE_CHECK unless server['pingable'] == false
- print_block files['hosts'] , 'host' , server , %w(hostgroups pingable)
+ print_block files['hosts'] , 'host' , server , %w(hostgroups pingable no-servicegroups)
# Handle hostextinfo
- #config['hostgroups'][ server['_hostgroups'].first ]['_extinfo'].each_pair{ |k, v|
- # find the first hostgroup that has extinfo
- extinfo = server['_hostgroups'].collect{ |hgname | config['hostgroups'][hgname]['_extinfo'] }.delete_if{ |ei| ei.size == 0 }.first
- if extinfo then
- extinfo.each_pair do |k, v|
- # substitute hostname into the notes_url
- v = sprintf(v,name) if k == 'notes_url'
-
- set_if_unset server['_extinfo'], k ,v
+ # Compose extinfo from all the hostgroups for each server
+ config['hostgroups'].each_pair{ |hgname, hostgroup|
+ next unless server['_hostgroups'].include?(hgname)
+ hostgroup['_extinfo'].each_pair do |k, v|
+ if v.empty?
+ server['_extinfo'].delete(k)
+ else
+ # substitute hostname into the notes_url
+ v = sprintf(v,name) if k == 'notes_url'
+ server['_extinfo'][k] = v
+ end
end
- end
+ }
set_complain_if_set server['_extinfo'], 'host_name' , name, 'hostextinfo', name
set_if_unset server['_extinfo'], 'vrml_image' , server['_extinfo']['icon_image'] if server['_extinfo'].has_key?('icon_image')
##############
# HOSTGROUPS
##############
-config['hostgroups'].each_pair{ |name, hg|
+config['hostgroups'].keys.sort.each{ |name|
+ hg = config['hostgroups'][name]
+
next if hg['private']
+ throw "Empty hostgroup #{name}" if hg['_memberlist'].length == 0
- set_complain_if_set hg, 'hostgroup_name', name , 'Hostgroup', name
- set_complain_if_set hg, 'members' , hg['_memberlist'].join(","), 'Hostgroup', name
+ set_complain_if_set hg, 'hostgroup_name', name , 'Hostgroup', name
+ set_complain_if_set hg, 'members' , hg['_memberlist'].sort.join(","), 'Hostgroup', name
print_block files['hostgroups'], 'hostgroup', hg, %w()
}
split_away_extinfo service
+ # make sure the depends list is an array
+ service['depends'] = ensure_array( service['depends'] )
# Both 'name' and 'service_description' are valid for a service's name
# Internally we only use service_description as that's nagios' official term
# service also depend on NRPE on the relay
relay = service['runfrom']
- hosts.each{ |host|
+ hosts.sort.each{ |host|
# how to recursively copy this thing?
hostservice = YAML::load( service.to_yaml )
host_ip = config['servers'][host]['address']
- throw "For some reason I do not have an address for #{host}. This shouldn't be." unless host_ip
remotecheck = hostservice['remotecheck']
- remotecheck.gsub!(/\$HOSTADDRESS\$/, host_ip)
+ if remotecheck.include?('$HOSTADDRESS$') and not host_ip
+ throw "For some reason I do not have an address for #{host} yet I need it for the remote check. This shouldn't be."
+ end
+ remotecheck.gsub!(/\$HOSTADDRESS\$/, host_ip) if host_ip
remotecheck.gsub!(/\$HOSTNAME\$/, host)
check = $nrpe.add("#{host}_#{hostservice['service_description']}", remotecheck)
hostservice['check_command'] = "#{NRPE_CHECKNAME_HOST}!#{ config['servers'][ relay ]['address'] }!#{ check }"
##############
# SERVICEGROUPS
##############
-config['servicegroups'].each_pair{ |name, sg|
+config['servicegroups'].keys.sort.each{ |name|
+ sg = config['servicegroups'][name]
+
set_complain_if_set sg, 'servicegroup_name', name , 'Servicegroup', name
print_block files['servicegroups'], 'servicegroup', sg, %w()
##############
# NRPE config file
##############
-$nrpe.checks.each_pair{ |name, check|
+$nrpe.checks.keys.sort.each{ |name|
+ check = $nrpe.checks[name]
files['nrpe'].puts "command[#{ name }]=#{ check }"
}
projects / mirror / dsa-nagios.git / blobdiff