nagios pnp - nagios结合pnp实现图表功能

【基本介绍】
Pnp 是一个基于 php 和 perl，用 rrdtool将 nagios 采集的数据绘制图表的工具。

【安装流程】
1.安装php  - 省略
2.安装perl - 省略
3.安装pnp

tar xf pnp4nagios-0.6.6.tar.gz   
cd pnp4nagios-0.6.6 
./configure --with-nagios-user=nagios  --with-nagios-group=nagios --with-rrdtool=/usr/local/rrdtool/bin/rrdtool --with-perfdata-dir=/usr/local/nagios/share/perfdata 
make all  
make install  
make install-config 
make install-init 

安装完成，PNP默认文件放置情况如下：

General Options:

-----------------------------       -------------------

  Nagios user/group:               nagios nagios

  Install directory:               /usr/local/nagios

  HTML Dir:                        /usr/local/nagios/share/pnp

  Config Dir:                      /usr/local/nagios/etc/pnp

  Path to rrdtool:                 /usr/local/bin/rrdtool (Version 1.4.5)

  RRDs Perl Modules:               *** NOT FOUND ***

  RRD Files stored in:             /usr/local/nagios/share/perfdata

  process_perfdata.pl Logfile:     /usr/local/nagios/var/perfdata.log

-------------------------------------------------------------------------

【pnp配置】
1.创建配置文件

cd  /usr/local/nagios/etc/pnp/

cp process_perfdata.cfg-sample process_perfdata.cfg 

cp npcd.cfg-sample npcd.cfg

cp rra.cfg-sample rra.cfg 

chown -R nagios:nagios *

② 修改process_perfdata.cfg文件

vi /usr/local/nagios/etc/pnp/process_perfdata.cfg

LOG_FILE =/usr/local/nagios/var/perfdata.log 

# Loglevel 0=silent 1=normal 2=debug 

LOG_LEVEL = 2 

这里将日志级别改为2,即为debug模式。

2.PNP配置文件pnp.cfg的hosts和services

define host {
        name      hosts-pnp
        register   0
        action_url /nagios/pnp/index.php?host=$HOSTNAME$
        process_perf_data              1
}

define service {
        name      services-pnp
        register   0
        action_url /nagios/pnp/index.php?host=$HOSTNAME$&srv=$SERVICEDESC$
        process_perf_data              1
}

3.修改nagios.cfg配置

# PROCESS PERFORMANCE DATA OPTION
# This determines whether or not Nagios will process performance
# data returned from service and host checks.  If this option is
# enabled, host performance data will be processed using the
# host_perfdata_command (defined below) and service performance
# data will be processed using the service_perfdata_command (also
# defined below).  Read the HTML docs for more information on
# performance data.
# Values: 1 = process performance data, 0 = do not process performance data

process_performance_data=1

# HOST AND SERVICE PERFORMANCE DATA PROCESSING COMMANDS
# These commands are run after every host and service check is
# performed.  These commands are executed only if the
# enable_performance_data option (above) is set to 1.  The command
# argument is the short name of a command definition that you 
# define in your host configuration file.  Read the HTML docs for
# more information on performance data.

host_perfdata_command=process-host-perfdata
service_perfdata_command=process-service-perfdata

4.修改commands.cfg,把文件最后定义的注释掉，添加如下信息，用process_perfdata.pl读取host、service信息

define command{
        command_name    process-service-perfdata
        command_line    /usr/bin/perl /usr/local/nagios/libexec/process_perfdata.pl
        }

define command{
       command_name    process-host-perfdata
       command_line    /usr/bin/perl /usr/local/nagios/libexec/process_perfdata.pl -d HOSTPERFDATA
       }

4.在需要图像的服务或者host配置文件中添加对应的服务

define host{
        use                  linux-server,hosts-pnp
        host_name              mysql
        alias                  ixdba-mysql
        address                192.168.12.237
        }
define service{
        use                  local-service,services-pnp
        host_name                mysql
        service_description          SSH
        check_command              check_ssh
        }

【pnp出图测试】

wget http://verify.pnp4nagios.org/verify_pnp_config
chmod +x verify_pnp_config
perl verify_pnp_config --mode sync --config=/usr/local/nagios/etc/nagios.cfg --pnpcfg=/usr/local/pnp4nagios/etc

【pnp模式介绍】
省略

【自定义脚本nagios出图】
省略

【参考引用】
http://www.cnblogs.com/dyllove98/archive/2013/06/28/3161559.html
http://blog.csdn.net/zhsh87/article/details/8662837
http://exchange.nagios.org/directory/Plugins/Software/check_memcached-2Epl/details
http://www.it165.net/admin/html/201309/1803.html
http://blog.chinaunix.net/uid-25266990-id-3437195.html