Mudanças entre as edições de "NCPA"

Edição atual tal como às 15h55min de 1 de março de 2019

Instalando o NCPA para Check Passivo do Nagios

1 - Instalar o epel-release
yum install epel-release -y

2 - Instalar o NCPA
Baixar o o pacote em:
wget https://assets.nagios.com/downloads/ncpa/ncpa-2.1.6.el7.x86_64.rpm
yum install ncpa -y

3 - Para verificar o serviço
systemctl status ncpa_passive

4 - Editar o arquivo de configuração:
vim /usr/local/ncpa/etc/ncpa.cfg

5 - Colocar as info de check passivo para o daemon
[passive]
handlers = nrdp
[nrdp]
parent = https://srvlupa.linea.gov.br/nrdp/
token = senhadeacesso
hostname = nomedoservidor
[plugin directives]
plugin_path = /usr/lib64/nagios/plugins/

6 - Configurar quais os checks serão feitos no host
vim /usr/local/ncpa/etc/ncpa.cfg.d/monitor.cfg

7 - Colocar as entradas:
[passive checks]
%HOSTNAME%|__HOST__ = system/agent_version
%HOSTNAME%|CPU Usage = cpu/percent --warning 60 --critical 80 --aggregate avg
%HOSTNAME%|Swap Usage = memory/swap --warning 60 --critical 80 --units Gi
%HOSTNAME%|Memory Usage = memory/virtual --warning 80 --critical 90 --units Gi
%HOSTNAME%|Process Count = processes --warning 300 --critical 400
%HOSTNAME%|Root Disk Usage = disk/logical/|/used_percent --warning 80 --critical 90
%HOSTNAME%|Uptime = plugins/check_uptime
%HOSTNAME%|Conected Users = plugins/check_users/-w/5/-c/10

8 - Configurar o serviço de NRDP no Servidor Nagios

define host {

   use                        generic-host
   name                        passive_host
   active_checks_enabled        0
   passive_checks_enabled        1
   flap_detection_enabled        0
   register                    0
   check_period                24x7
   max_check_attempts        1
   check_interval            5
   retry_interval            1
   check_freshness            1
   freshness_threshold      300
   check_command            check_dummy!2

}

define service {

   use                        generic-service
   name                        passive_service
   active_checks_enabled        0
   passive_checks_enabled        1
   flap_detection_enabled        1
   register                    0                         
   check_period                24x7                      
   max_check_attempts        1                           
   check_interval            5
   retry_interval            1
   check_freshness            1
   freshness_threshold      300
   check_command            check_dummy!2

}

9 - Modelo de configuração de Check de Host e Services

define host{

       use                     passive_host
       host_name               webbackpassive
       alias                   Servidor Teste Passive
       parents                 gwicx
       icon_image              centos.gif
       vrml_image              centos.png
       statusmap_image         centos.gd2
       contact_groups          admins
       notification_period     24x7
       }

define service {

   use                    passive_service
   contact_groups          admins
   service_description    CPU Usage
   host_name              webbackpassive

}

define service {

   use                    passive_service
   contact_groups          admins
   service_description    Root Disk Usage
   host_name               webbackpassive

}

define service {

   use                    passive_service
   contact_groups          admins
   service_description    Swap Usage
   host_name                webbackpassive

}