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# nagios.pp - everything nagios related
# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
# See LICENSE for the full license granted to you.
# the directory containing all nagios configs:
$nagios_cfgdir = "/var/lib/puppet/modules/nagios"
modules_dir{ nagios: }
class nagios {
case $operatingsystem {
debian: { include nagios::debian }
centos: { include nagios::centos }
default: { include nagios::base }
}
}
class nagios::debian inherits nagios::base {
Package [nagios]{
name => "nagios2",
}
package {
"nagios-plugins-standard":
ensure => installed,
}
Service[nagios] {
# Current Debian/etch pattern
pattern => "/usr/sbin/nagios2 -d /etc/nagios2/nagios.cfg",
subscribe => File [ $nagios_cfgdir ]
}
File["$etc_nagios_path/htpasswd.users"]{
group => www-data,
}
file {
[ "/etc/nagios2/conf.d/localhost_nagios2.cfg",
"/etc/nagios2/conf.d/extinfo_nagios2.cfg",
"/etc/nagios2/conf.d/services_nagios2.cfg" ]:
ensure => absent,
notify => Service[nagios2];
}
# permit external commands from the CGI
file {
"/var/lib/nagios2":
ensure => directory, mode => 751,
owner => nagios, group => nagios,
notify => Service[nagios2];
}
file{
"/var/lib/nagios2/rw":
ensure => directory, mode => 2710,
owner => nagios, group => www-data,
notify => Service[nagios2];
}
# TODO: these are not very robust!
replace {
# Debian installs a default check for the localhost. Since VServers
# usually have no localhost IP, this fixes the definition to check the
# real IP
fix_default_config:
file => "/etc/nagios2/conf.d/localhost_nagios2.cfg",
pattern => "address *127.0.0.1",
replacement => "address $ipaddress",
notify => Service[nagios2];
# enable external commands from the CGI
enable_extcommands:
file => "/etc/nagios2/nagios.cfg",
pattern => "check_external_commands=0",
replacement => "check_external_commands=1",
notify => Service[nagios2];
# put a cap on service checks
cap_service_checks:
file => "/etc/nagios2/nagios.cfg",
pattern => "max_concurrent_checks=0",
replacement => "max_concurrent_checks=30",
notify => Service[nagios2];
}
}
# end nagios::debian
class nagios::centos inherits nagios::base {
package { [ 'nagios-plugins-smtp','nagios-plugins-http', 'nagios-plugins-ssh', 'nagios-plugins-udp', 'nagios-plugins-tcp', 'nagios-plugins-dig', 'nagios-plugins-nrpe', 'nagios-plugins-load', 'nagios-plugins-dns', 'nagios-plugins-ping', 'nagios-plugins-procs', 'nagios-plugins-users', 'nagios-plugins-ldap', 'nagios-plugins-disk', 'nagios-devel', 'nagios-plugins-swap', 'nagios-plugins-nagios', 'nagios-plugins-perl' ]:
ensure => 'present',
}
Service[nagios]{
hasstatus => true,
}
}
class nagios::vars {
case $operatingsystem {
debian: {
$etc_nagios_path = "/etc/nagios2"
}
default: {
$etc_nagios_path = "/etc/nagios"
}
}
}
class nagios::base {
package { nagios:
ensure => present,
}
service{nagios:
ensure => running,
enable => true,
#hasstatus => true, #fixme!
require => Package[nagios],
}
include nagios::vars
# import the various definitions
File <<| tag == 'nagios' |>>
file {
"$etc_nagios_path/htpasswd.users":
source => [
"puppet://$servername/files/nagios/htpasswd.users",
"puppet://$servername/nagios/htpasswd.users"
],
mode => 0640, owner => root, group => apache;
}
file {
"$nagios_cfgdir/hosts.d":
ensure => directory,
owner => root,
group => root,
mode => 0755,
}
define command($command_line) {
file { "$nagios_cfgdir/hosts.d/${name}_command.cfg":
ensure => present, content => template( "nagios/command.erb" ),
mode => 644, owner => root, group => root,
notify => Service[nagios2],
}
}
nagios2::command {
# from ssh.pp
ssh_port:
command_line => '/usr/lib/nagios/plugins/check_ssh -p $ARG1$ $HOSTADDRESS$';
# from apache2.pp
http_port:
command_line => '/usr/lib/nagios/plugins/check_http -p $ARG1$ -H $HOSTADDRESS$ -I $HOSTADDRESS$';
# from bind.pp
nameserver: command_line => '/usr/lib/nagios/plugins/check_dns -H www.edv-bus.at -s $HOSTADDRESS$';
# TODO: debug this, produces copious false positives:
# check_dig2: command_line => '/usr/lib/nagios/plugins/check_dig -H $HOSTADDRESS$ -l $ARG1$ --record_type=$ARG2$ --expected_address=$ARG3$ --warning=2.0 --critical=4.0';
check_dig2: command_line => '/usr/lib/nagios/plugins/check_dig -H $HOSTADDRESS$ -l $ARG1$ --record_type=$ARG2$'
}
define host($ip = $fqdn, $short_alias = $fqdn) {
@@file {
"$nagios_cfgdir/${name}_host.cfg":
ensure => present, content => template( "nagios/host.erb" ),
mode => 644, owner => root, group => root,
tag => 'nagios'
}
}
define service($check_command = '',
$nagios2_host_name = $fqdn, $nagios2_description = '')
{
# this is required to pass nagios' internal checks:
# every service needs to have a defined host
include nagios2::target
$real_check_command = $check_command ? {
'' => $name,
default => $check_command
}
$real_nagios2_description = $nagios2_description ? {
'' => $name,
default => $nagios2_description
}
@@file {
"$nagios_cfgdir/${nagios2_host_name}_${name}_service.cfg":
ensure => present, content => template( "nagios/service.erb" ),
mode => 644, owner => root, group => root,
tag => 'nagios'
}
}
define extra_host($ip = $fqdn, $short_alias = $fqdn, $parent = "none") {
$nagios_parent = $parent
file {
"$nagios_cfgdir/${name}_host.cfg":
ensure => present, content => template( "nagios/host.erb" ),
mode => 644, owner => root, group => root,
notify => Service[nagios2],
}
}
#
# include this class in every host that should be monitored by nagios
class target {
nagios2::host { $fqdn: }
debug ( "$fqdn has $nagios_parent as parent" )
}
} # end nagios::base
#####################################################################################################
## The main nagios monitor class
#class nagios2 {
#
# file {
# "/etc/nagios2/conf.d/hostgroups_nagios2.cfg":
# source => "puppet://$servername/nagios/hostgroups_nagios2.cfg",
# mode => 0644, owner => root, group => www-data,
# notify => Service[nagios2];
# }
#
## line { include_cfgdir:
## file => "/etc/nagios2/nagios.cfg",
## line => "cfg_dir=$nagios_cfgdir",
## notify => Service[nagios2],
## }
#
# munin::plugin {
# nagios_hosts: script_path => "/usr/local/bin";
# nagios_svc: script_path => "/usr/local/bin";
# nagios_perf_hosts: ensure => nagios_perf_, script_path => "/usr/local/bin";
# nagios_perf_svc: ensure => nagios_perf_, script_path => "/usr/local/bin";
# }
#
# file { "/etc/munin/plugin-conf.d/nagios":
# content => "[nagios_*]\nuser root\n",
# mode => 0655, owner => root, group => root,
# notify => Service[munin-node]
# }
#
#}
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