nagios插件pnp安装

1、安装rrdtool

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# tar zxvf rrdtool-1.4.5.tar.gz && cd rrdtool-1.4.5 && ./configure --prefix=/usr/local/rrdtool && make && make install

2、安装pnp

tar zxvf pnp-0.4.13.tar.gz && cd pnp-0.4.13 && ./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

Perfdata files (NPCD) stored in: /usr/local/nagios/var/spool/perfdata/

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

在这里我遇到一个很奇怪的问题，由于没有安装rrds perl模块，导致pnp出图的数据是乱码，附上图片：

后来通过yum install rrdtool-perl就恢复正常了，有图有真相

nagios插件pnp安装

3、配置PNP，创建默认配置文件

# 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 /usr/local/nagios/etc/pnp

修改process_perfdata.cfg文件

vim /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debug模式。

4、修改Nagios配置文件

1、增加小太阳图标

修改templates.cfg，增加一个定义PNP的host和service。修改后的内容如下：

define host {

name host-pnp

#action_url /nagios/index.php/graph?host=$HOSTNAME$&srv=_HOST_' class='tips' rel='/nagios/index.php/popup?host=$HOSTNAME$&srv=_HOST_

action_url /nagios/pnp/index.php?host=$HOSTNAME$

process_perf_data 1

}

ps：我这里只添加了主机的小太阳图标，每当添加某主机的服务的时候，都会自动生成该服务的数据文件

nagios插件pnp安装

2、修改commands.cfg，定义host-perfdata

define command{

command_name process-host-perfdata

command_line /usr/local/nagios/libexec/process_perfdata.pl

}

3、让主机引用host-perfdata

root># cat hosts.cfg

define host{

use host-pnp

host_name xx

alias xx(x)

address xx

contact_groups shyygroup

check_command check-host-alive

max_check_attempts 5

notification_interval 10

notification_period 24x7

notification_options d,u,r

}

4、重启nagios服务后，在这个目录下会产生2个主机的目录

ls /usr/local/nagios/share/perfdata/

xxjshyy xxysix

cd xxjshyy

-rw-rw-r-- 1 nagios nagioscmd 1151496 Dec 21 16:13 Current_Load.rrd

-rw-rw-r-- 1 nagios nagioscmd 12165 Dec 21 16:13 Current_Load.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:11 Java_9800.rrd

-rw-rw-r-- 1 nagios nagioscmd 11208 Dec 21 16:11 Java_9800.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:12 Java_9801.rrd

-rw-rw-r-- 1 nagios nagioscmd 11208 Dec 21 16:12 Java_9801.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 18 17:35 MySQL_3306.rrd

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:11 Mysql_3306.rrd

-rw-rw-r-- 1 nagios nagioscmd 11199 Dec 18 17:35 mysql_3306.xml

-rw-rw-r-- 1 nagios nagioscmd 11202 Dec 21 16:11 Mysql_3306.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:12 Nrpe_5666.rrd

-rw-rw-r-- 1 nagios nagioscmd 11198 Dec 21 16:12 Nrpe_5666.xml

-rw-rw-r-- 1 nagios nagioscmd 768224 Dec 21 16:14 Ping.rrd

-rw-rw-r-- 1 nagios nagioscmd 11702 Dec 21 16:14 Ping.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:14 sda3.rrd

-rw-rw-r-- 1 nagios nagioscmd 11170 Dec 21 16:14 sda3.xml

-rw-rw-r-- 1 nagios nagioscmd 1534768 Dec 21 16:13 traffic.rrd

-rw-rw-r-- 1 nagios nagioscmd 12701 Dec 21 16:13 traffic.xml

-rw-rw-r-- 1 nagios nagioscmd 384952 Dec 21 16:12 Users.rrd

-rw-rw-r-- 1 nagios nagioscmd 11120 Dec 21 16:12 Users.xml

ps:点击小太阳也能会报以下这种错误：

Deprecated: Assigning the return value of new by reference is deprecated in /usr/local/nagios/share/pnp/include/function.inc.php on line 1026

Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Chongqing' for 'CST/8.0/no DST' instead in /usr/local/nagios/share/pnp/include/function.inc.php on line 557

Deprecated: Function eregi() is deprecated in /usr/local/nagios/share/pnp/include/function.inc.php on line 1502

解决：

这是因为pnp-0.4.14对PHP 5.3.0的支持还不是很好，其中有几个bug需要修改：

根据错误提示打开

vi /usr/local/nagios/share/pnp/include/function.inc.php

找到行1541修改为

if($level == 2 && $type == "complete" && preg_match("/^NAGIOS_/",$tag)){

还会有两处错误需要修改，根据提示找到对应行进行修改：

line 556: 添加：date_default_timezone_set('UTC');

line 1032：修改为$pdf = new PDF('P', 'mm', 'A4'); 删除&

再重新重启nagios，应该就能看到图表了

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nagios插件pnp安装

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