Nagios Server/Client - Config

Aus TecArt-CRM Wiki

Wechseln zu: Navigation, Suche

Inhaltsverzeichnis

Client Config 

[root@crmsrv /]# apt-get install nagios-nrpe-server sudo

[root@crmsrv /]# pico -w /etc/nagios/nrpe.cfg

server_address=192.168.0.20
allowed_hosts=127.0.0.1,82.197.134.3 # Monitor-Server

command[check_mysql]=/usr/lib/nagios/plugins/check_mysql -H localhost -u root --password='...'
command[check_load]=/usr/lib/nagios/plugins/check_load -w 5,7,9 -c 10,15,20
command[check_3ware]=/usr/lib/nagios/plugins/check_3ware
command[check_users]=/usr/lib/nagios/plugins/check_users -w 3 -c 5
command[check_disk_root]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /
command[check_disk_data]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /data
command[check_disk_usr]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /usr
command[check_disk_var]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /var
command[check_procs]=/usr/lib/nagios/plugins/check_procs -w 250 -c 400 -s RSZDT
command[check_zombie]=/usr/lib/nagios/plugins/check_procs -w 250 -c 400 -s Z
command[check_swap]=/usr/lib/nagios/plugins/check_swap -av -w 80% -c 20%
command[check_samba]=/usr/lib/nagios/plugins/check_disk_smb -H 10.200.200.253 -s crm -u CRM --password='...'

Nagios Plugin - check_3ware 

[root@crmsrv /]# pico -w /usr/lib/nagios/plugins/check_3ware

Sie müssen dieses Skript an Ihre Bedürfnisse anpassen. 

#!/usr/bin/php -n
<?php
 
define('DEVICE', 'c0');
define('SUDO', '/usr/bin/sudo');
define('TWCLI', '/usr/sbin/tw-cli');
 
$fp = popen(SUDO." ".TWCLI." info ".DEVICE, "r");
$c  = explode("\n", trim(stream_get_contents($fp)));
$h  = array_flip(explode(" ", preg_replace('/\s\s+/', ' ', $c[0])));
$d  = explode(" ", preg_replace('/\s\s+/', ' ', $c[2]));
 
if ($d[$h['Status']] != 'OK') {
    echo $c[2];
    if ($d[$h['Status']] == 'REBUILDING') exit(1);
    else                                  exit(2);
}
 
$h = array_flip(explode(" ", preg_replace('/\s\s+/', ' ', $c[4])));
 
for ($i=6; $i<count($c); $i++) {
 
    if (!trim($c[$i])) break;
 
    $d = array_map('trim', explode(" ", preg_replace('/\s\s+/', ' ', $c[$i])));
    if (!isset($d[$h['Status']]) || $d[$h['Unit']] == '-') continue;
 
    if ($d[$h['Status']] != 'OK') {
        echo $c[$i];
        exit(2);
    }
}
 
echo $c[2];
exit(0);
 
?>
[root@crmsrv /]# chmod +x /usr/lib/nagios/plugins/check_3ware

[root@crmsrv /]# visudo

Fügen Sie die folgenden Zeilen an das Ende der Datei an. 

nagios ALL=NOPASSWD: /usr/sbin/tw-cli

Sie können es nun testen. Sie können es ohne Password ausführen: 

[root@crmsrv /]# sudo -u nagios /usr/lib/nagios/plugins/check_3ware

Nagios Plugin - check_lsi

für LSI MegaRAID SAS-Controller

Zuerst ist Datei:Megactl 0.4.1.deb oder Datei:Megactl 0.4.1.i386.deb zu installieren mit: 

[root@crmsrv /]# dpkg -i Megactl_0.4.1.deb

[root@crmsrv /]# pico -w /usr/lib/nagios/plugins/check_lsi

Sie müssen dieses Skript an Ihre Bedürfnisse anpassen. 

#!/bin/bash
 
HOST=$(hostname)
SUDO=/usr/bin/sudo
MEGACTL=/usr/sbin/megasasctl
ADMIN=test@example.com
 
CHECKRAID=$($SUDO $MEGACTL | grep -i 'degraded\|fail')
 
if (( $? != 0 ))
then
    echo "OK - $HOST - RAID OK"
    exit 0;
else
    echo -e "$($SUDO $MEGACTL)" | mail $ADMIN -s "$HOST RAID Error"
    RAIDDETAILS=$($SUDO $MEGACTL | grep -i 'rebuild')
    if (( $? == 0 ))
    then
        echo "WARNING - $HOST - RAID rebuilding"
        exit 1;
    else
        echo "CRITICAL - $HOST - RAID critical"
        exit 2;
    fi
fi
 
echo "CRITICAL - $HOST - RAID unknown"
exit 3;
[root@crmsrv /]# chmod +x /usr/lib/nagios/plugins/check_lsi

[root@crmsrv /]# visudo

Fügen Sie die folgenden Zeilen an das Ende der Datei an. 

nagios ALL=NOPASSWD: /usr/sbin/megasasctl

Sie können es nun testen. Sie können es ohne Password ausführen: 

[root@crmsrv /]# sudo -u nagios /usr/lib/nagios/plugins/check_lsi

Nagios Plugin - check_hpsmart

für HP SmartArray Controller

Zuerst HP Array Configuration Utility CLI installieren:

Datei /etc/apt/sources.list bearbeiten und folgende Zeile anfügen: 

deb http://hwraid.le-vert.net/debian squeeze main

[root@crmsrv /]# apt-get update
[root@crmsrv /]# apt-get install hpacucli

Anschliessend das Script konfigurieren: 

[root@crmsrv /]# pico -w /usr/lib/nagios/plugins/check_hpsmart

Sie müssen dieses Skript an Ihre Bedürfnisse anpassen. 

#!/usr/bin/php -n
<?php
 
define('SLOT', '1');
define('SUDO', '/usr/bin/sudo');
define('ACUCLI', '/usr/sbin/hpacucli');
 
$fp_controller = popen(SUDO." ".ACUCLI." controller slot=".SLOT." show status", "r");
$fp_drives     = popen(SUDO." ".ACUCLI." controller slot=".SLOT." pd all show status", "r");
$controller    = array_map('trim', explode("\n", trim(stream_get_contents($fp_controller))));
$drives        = array_map('trim', explode("\n", trim(stream_get_contents($fp_drives))));
 
if (count($controller) < 2) {
        echo 'No Controller-Information found.';
        exit(2);
}
elseif (!count($drives)) {
        echo 'No physical drives found.';
        exit(2);
}
 
if (substr($controller[1], -2) != 'OK') {
        echo $controller[0].' - '.$controller[1];
        exit(2);
}
elseif (isset($controller[2]) && substr($controller[2], -2) != 'OK') {
        echo $controller[0].' - '.$controller[2];
        exit(1);
}
elseif (isset($controller[3]) && substr($controller[3], -2) != 'OK') {
        echo $controller[0].' - '.$controller[3];
        exit(1);
}
 
foreach ($drives as $drive) {
        if (substr($drive, -2) == 'OK') {
                continue;
        }
 
        echo $controller[0].' - '.$drive;
 
        if (substr($drive, -6) == 'Failed') exit(2);
        else                                exit(1);
}
 
echo $controller[0].' OK';
exit(0);
 
?>
[root@crmsrv /]# chmod +x /usr/lib/nagios/plugins/check_hpsmart

[root@crmsrv /]# visudo

Fügen Sie die folgenden Zeilen an das Ende der Datei an. 

nagios ALL=NOPASSWD: /usr/sbin/hpacucli

Sie können es nun testen. Sie können es ohne Password ausführen: 

[root@crmsrv /]# sudo -u nagios /usr/lib/nagios/plugins/check_hpsmart

Nagios Plugin - check_3ware_temp 

[root@crmsrv /]# apt-get install smartmontools
[root@crmsrv /]# pico -w /usr/lib/nagios/plugins/check_3ware_temp

Sie müssen dieses Skript an Ihre Bedürfnisse anpassen. 

#!/bin/bash

ret=`/usr/bin/sudo /usr/sbin/smartctl -a -d 3ware,$1 /dev/twa0 | grep Temperature | awk '{print $10}'`

if [ $ret -gt 45 ];
then
   echo "DISK $1 WARNING: Temperature high at Disk $1 ($ret °C)|hdtemp=$ret;";
   exit 1;
else
   echo "DISK $1 OK: Temperature normal at Disk $1 ($ret °C)|hdtemp=$ret;";
   exit 0
fi

[root@crmsrv /]# chmod +x /usr/lib/nagios/plugins/check_3ware_temp

[root@crmsrv /]# visudo

Fügen Sie die folgenden Zeilen an das Ende der Datei an. 

nagios ALL=NOPASSWD: /usr/sbin/smartctl

Sie können es nun testen. Sie können es ohne Password ausführen: 

[root@crmsrv /]# sudo -u nagios /usr/lib/nagios/plugins/check_3ware_temp 0

Restart NRPE-Server 

[root@crmsrv /]# /etc/init.d/nagios-nrpe-server restart

Server Config 

[root@monitor /]# pico -w /etc/nagios3/conf.d/_hostname_.cfg

Tauschen Sie 'host' mit dem hostnamen. 

define host {
        use         linux-server
        host_name   host
        alias       intranet.host.com
        address     163.54.123.25
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             PING
        check_command                   check_ping!300.0,20%!500.0,60%
        }

define service{
        use                             remote-service         
        host_name                       host
        contact_groups                  admins
        service_description             HTTPS
        check_command                   check_https
        }

define service{
        use                             remote-service         
        host_name                       host
        contact_groups                  admins
        service_description             SSH
        check_command                   check_ssh_port!22
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             USERS
        check_command                   check_nrpe!check_users
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             LOAD
        check_command                   check_nrpe!check_load
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             DISK /
        check_command                   check_nrpe!check_disk_root
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             DISK /data
        check_command                   check_nrpe!check_disk_data
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             DISK /usr
        check_command                   check_nrpe!check_disk_usr
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             DISK /var
        check_command                   check_nrpe!check_disk_var
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             ZOMBIE
        check_command                   check_nrpe!check_zombie
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             PROCS
        check_command                   check_nrpe!check_procs
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             MYSQL
        check_command                   check_nrpe!check_mysql
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             SWAP
        check_command                   check_nrpe!check_swap
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             CPU
        check_command                   check_nrpe!check_cpu
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             MEM
        check_command                   check_nrpe!check_mem
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             3WARE
        check_command                   check_nrpe!check_3ware
        }

define service{
        use                             remote-service
        host_name                       host
        contact_groups                  admins
        service_description             SAMBA
        check_command                   check_nrpe!check_samba
        }


[root@monitor /]# /etc/init.d/nagios3 restart
Von „http://wiki.clever-crm.de/Nagios_Server/Client_-_Config“
Persönliche Werkzeuge
Namensräume
Varianten
Aktionen
Themen
Navigation
Werkzeuge