nagios+centreon监控构建

监控系统是运维人员的一个重要工具，熟悉其的构建与应用必不可少。nagios与centreon的搭

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配是开源软件最佳选择。现在将我的构建与应用过程记录如下。

一.环境预安装

1.获取主软件包

wget http://jaist.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.5.0/nagios-3.5.0.tar.gz
wget http://download.centreon.com/centreon/centreon-2.4.2.tar.gz
wget http://nchc.dl.sourceforge.net/project/nagiosplug/nagiosplug/1.4.16/nagios-plugins-1.4.16.tar.gz
wget http://nchc.dl.sourceforge.net/project/nagios/ndoutils-1.x/ndoutils-1.5.2/ndoutils-1.5.2.tar.gz
wget http://svn.centreon.com/trunk/ndoutils-patch/ndoutils1.5.2_light.patch
wget http://nchc.dl.sourceforge.net/project/nagios/nrpe-2.x/nrpe-2.14/nrpe-2.14.tar.gz

2.安装第三方源

[root@localhost ~]# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-1.el6.rf.i686.rpm
[root@localhost ~]#rpm -ivh rpmforge-release-0.5.2-1.el6.rf.i686.rpm

如果不安装第三方源会导致相关软件包不能安装，进而导致主安装出现相关问题。

3.安装相关软件包

安装apache

[root@localhost ~]# yum -y install httpd
[root@localhost ~]# usermod -U apache
[root@localhost ~]# service httpd start

[root@localhost ~]# yum install MySQL-devel openssl-devel mysql-server
[root@localhost ~]# service mysqld start
[root@localhost ~]# mysqladmin -u root password '123456'

在/etc/my.conf中的[mysqld]加入

innodb_file_per_table=1

否则在web安装第七步时会有提示。

安装php
[root@localhost ~]# yum -y install php php-mysql php-gd php-ldap php-xml php-mbstring
[root@localhost ~]# yum -y install gd fontconfig-devel libjpeg-devel libpng-devel gd-devel perl-GD

RRDTools
[root@localhost ~]# yum -y install rrdtool perl-rrdtool

安装perl
[root@localhost ~]# yum -y install perl-Config-IniFiles perl-DBI perl-DBD-MySQL

安装SNMP
[root@localhost ~]# yum -y install perl-Crypt-DES perl-Digest-SHA1 perl-Digest-HMAC net-snmp-utils
[root@localhost ~]# yum -y install perl-Socket6 perl-IO-Socket-INET6 net-snmp net-snmp-libs php-snmp dmidecode lm_sensors perl-Net-SNMP net-snmp-perl

安装PEAR
[root@localhost ~]# yum -y install php-pear
[root@localhost ~]# pear channel-update pear.php.net
[root@localhost ~]# pear install --force PEAR-1.9.1
[root@localhost ~]# pear upgrade-all

二. 主软件包安装

nagios主要监控系统与网络信息，同时监控远程与本地主机及相关服务，还提供信息异常功能

1.安装nagios

添加相关用户及组

[root@localhost ~]# useradd -m nagios
[root@localhost ~]# passwd nagios
更改用户 nagios 的密码。
新的密码：
无效的密码：过于简单化/系统化
无效的密码：过于简单
重新输入新的密码：
passwd：所有的身份验证令牌已经成功更新。
[root@localhost ~]# groupadd nagcmd
[root@localhost ~]# usermod -G nagios,nagcmd nagios
[root@localhost ~]# usermod -G nagios,nagcmd apache

安装nagios

[root@localhost monitor]# tar -zxvf nagios-3.5.0.tar.gz
[root@localhost nagios]# ./configure --prefix=/usr/local/nagios --with-command-group=nagcmd --enable-nanosleep --enable-event-broker --enable-embedded-perl
[root@localhost nagios]# make all
[root@localhost nagios]# make install
[root@localhost nagios]# make install-init
[root@localhost nagios]# make install-commandmode
[root@localhost nagios]# make install-config
[root@localhost nagios]# /etc/init.d/nagios start

nagios如果少了其插件，将什么也做不了，其功能主要通过插件来完成的。

2.nagios-pluigns安装

[root@localhost monitor]# tar -zxvf nagios-plugins-1.4.16.tar.gz
[root@localhost nagios-plugins-1.4.16]# ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl=/usr/bin/openssl --enable-perl-modules
[root@localhost nagios-plugins-1.4.16]# make && make install

3.ndoutils安装

ndoutils主要将相关数据存储到数据库，ndoutils非常重要。

[root@localhost ndoutils-1.5.2]# tar -zxvf ndoutils-1.5.2.tar.gz
[root@localhost ndoutils-1.5.2]# patch -p1 -N < ndoutils1.5.2_light.patch
[root@localhost ndoutils-1.5.2]# ./configure --prefix=/usr/local/nagios/ --enable-mysql --with-ndo2db-user=nagios --with-ndo2db-group=nagios
[root@localhost ndoutils-1.5.2]# make && make install
[root@localhost ndoutils-1.5.2]# cp daemon-init /etc/init.d/ndo2db
[root@localhost ndoutils-1.5.2]# chmod 755 /etc/init.d/ndo2db
[root@localhost ndoutils-1.5.2]# cp config/ndo2db.cfg-sample /usr/local/nagios/etc/ndo2db.cfg
[root@localhost ndoutils-1.5.2]# /etc/init.d/ndoutils start

4.centreon安装

centreon以web方式展现给用户，通过第三方软件实现对网络，应用程序，主机的监控。

注：如下安装过程只做参考，其不是第一次安装，与第一次安装可能有所不同，第一次安装时会更新相关模块。

文本安装

[root@localhost monitor]# tar -zxvf centreon-2.4.2.tar.gz

[root@localhost centreon-2.4.2]# ./install.sh -i
###############################################################################
# #
# Centreon (www.centreon.com) #
# Thanks for using Centreon #
# #
# v2.4.2 #
# #
# infos@centreon.com #
# #
# Make sure you have installed and configured #
# sudo - sed - php - apache - rrdtool - mysql #
# #
###############################################################################
------------------------------------------------------------------------
Checking all needed binaries
------------------------------------------------------------------------
rm OK
cp OK
mv OK
/bin/chmod OK
/bin/chown OK
echo OK
more OK
mkdir OK
find OK
/bin/grep OK
/bin/cat OK
/bin/sed OK

You will now read Centreon Licence.
Press enter to continue.
Do you accept GPL license ?
[y/n], default to [n]:
> y
------------------------------------------------------------------------
Please choose what you want to install
------------------------------------------------------------------------

Do you want to install : Centreon Web Front
[y/n], default to [n]:
> y

Do you want to install : Centreon CentCore
[y/n], default to [n]:
> y

Do you want to install : Centreon Nagios Plugins
[y/n], default to [n]:
> y

Do you want to install : Centreon Snmp Traps process
[y/n], default to [n]:
> y

------------------------------------------------------------------------
Start CentWeb Installation
------------------------------------------------------------------------

Where is your Centreon directory?
default to [/usr/local/centreon]
>

Do you want me to create this directory ? [/usr/local/centreon]
[y/n], default to [n]:
> y
Path /usr/local/centreon OK

Where is your Centreon log directory
default to [/usr/local/centreon/log]
>

Do you want me to create this directory ? [/usr/local/centreon/log]
[y/n], default to [n]:
> y
Path /usr/local/centreon/log OK

Where is your Centreon etc directory
default to [/etc/centreon]
> /usr/local/centreon/etc

Do you want me to create this directory ? [/usr/local/centreon/etc]
[y/n], default to [n]:
> y
Path /usr/local/centreon/etc OK

Where is your Centreon binaries directory
default to [/usr/local/centreon/bin]
>

Do you want me to create this directory ? [/usr/local/centreon/bin]
[y/n], default to [n]:
> y
Path /usr/local/centreon/bin OK

Where is your Centreon data informations directory
default to [/usr/local/centreon/data]
>

Do you want me to create this directory ? [/usr/local/centreon/data]
[y/n], default to [n]:
> y
Path /usr/local/centreon/data OK

Where is your Centreon generation_files directory?
default to [/usr/local/centreon]
>
Path /usr/local/centreon OK

Where is your Centreon variable library directory?
default to [/var/lib/centreon]
> /usr/local/centreon/var/lib

Do you want me to create this directory ? [/usr/local/centreon/var/lib]
[y/n], default to [n]:
> y
Path /usr/local/centreon/var/lib OK

Where is your CentPlugins Traps binary
default to [/usr/local/centreon/bin]
>
Path /usr/local/centreon/bin OK

Where is the RRD perl module installed [RRDs.pm]
default to [/usr/lib/perl5/RRDs.pm]
>
Path /usr/lib/perl5 OK
/usr/bin/rrdtool OK
/bin/mail OK
/usr/bin/php OK

Where is PEAR [PEAR.php]
default to [/usr/share/php/PEAR.php]
> /usr/share/pear/PEAR.php
Path /usr/share/pear OK
/usr/bin/perl OK
Finding Apache user : apache
Finding Apache group : apache

What is the Centreon group ? [centreon]
default to [centreon]
>

What is the Centreon user ? [centreon]
default to [centreon]
>

What is the Monitoring engine user ?
> nagios

What is the Broker user ? (optional)
> nagios

What is the Monitoring engine log directory ?
>/usr/local/nagios/var/

Where is your monitoring plugins (libexec) directory ?
default to [/usr/lib/nagios/plugins]
> /usr/local/nagios/libexec
Path /usr/local/nagios/libexec OK
Add group centreon to user apache OK
Add group centreon to user nagios OK
Add group nagios to user apache OK
Add group nagios to user centreon OK

------------------------------------------------------------------------
Configure Sudo
------------------------------------------------------------------------

Where is sudo configuration file
default to [/etc/sudoers]
>
/etc/sudoers OK

What is the Monitoring engine init.d script ?
>/etc/init.d/nagios

What is the Monitoring engine binary ?
> /usr/local/nagios/bin/nagios

What is the Monitoring engine configuration directory ?
> /usr/local/nagios/etc/

Where is the configuration directory for broker module ?
> /usr/local/nagios/etc/

Where is the init script for broker module daemon ?
> /etc/init.d/ndo2db
Your sudo has been configured previously

Do you want me to reconfigure your sudo ? (WARNING)
[y/n], default to [n]:
> y
Configuring Sudo OK

------------------------------------------------------------------------
Configure Apache server
------------------------------------------------------------------------
Finding Apache Centreon configuration file
'/etc/httpd/conf.d/centreon.conf' : OK

Do you want to update Centreon Apache sub configuration file ?
[y/n], default to [n]:
> y
Backup Centreon Apache configuration completed
Create '/etc/httpd/conf.d/centreon.conf' OK
Configuring Apache OK

Do you want to reload your Apache ?
[y/n], default to [n]:
> y
Reloading Apache service OK
Preparing Centreon temporary files
Change right on /usr/local/centreon/log OK
Change right on /usr/local/centreon/etc OK
Change macros for insertBaseConf.sql OK
Change macros for sql update files OK
Change macros for php files OK
Change right on /usr/local/nagios/etc OK
Add group nagios to user apache OK
Add group nagios to user nagios OK
Add group centreon to user nagios OK
Copy CentWeb in system directory
Install CentWeb (web front of centreon) OK
Change right for install directory
Change right for install directory OK
Install libraries OK
Write right to Smarty Cache OK
Copying libinstall OK
Change macros for centreon.cron OK
Install Centreon cron.d file OK
Change macros for centAcl.php OK
Change macros for downtimeManager.php OK
Change macros for eventReportBuilder.pl OK
Change macros for dashboardBuilder.pl OK
Install cron directory OK
Change right for eventReportBuilder.pl OK
Change right for dashboardBuilder.pl OK
Change macros for centreon.logrotate OK
Install Centreon logrotate.d file OK
Prepare export-mysql-indexes OK
Install export-mysql-indexes OK
Prepare import-mysql-indexes OK
Install import-mysql-indexes OK
Prepare indexes schema OK
Install indexes schema OK

------------------------------------------------------------------------
Pear Modules
------------------------------------------------------------------------
Check PEAR modules
PEAR 1.4.9 1.9.4 OK
DB 1.7.6 1.7.14 OK
DB_DataObject 1.8.4 1.11.2 OK
DB_DataObject_FormBuilder 1.0.0RC4 1.0.2 OK
MDB2 2.0.0 2.4.1 OK
Date 1.4.6 1.4.7 OK
HTML_Common 1.2.2 1.2.5 OK
HTML_QuickForm 3.2.5 3.2.13 OK
HTML_QuickForm_advmultiselect 1.1.0 1.5.1 OK
HTML_Table 1.6.1 1.8.3 OK
Archive_Tar 1.1 1.3.11 OK
Auth_SASL 1.0.1 1.0.6 OK
Console_Getopt 1.2 1.3.1 OK
Net_SMTP 1.2.8 1.6.1 OK
Net_Socket 1.0.1 1.0.10 OK
Net_Traceroute 0.21 0.21.3 OK
Net_Ping 2.4.1 2.4.5 OK
Validate 0.6.2 0.8.5 OK
XML_RPC 1.4.5 1.5.5 OK
SOAP 0.10.1 0.13.0 OK
Log 1.9.11 1.12.7 OK
Archive_Zip 0.1.2 0.1.2 OK
All PEAR modules OK

------------------------------------------------------------------------
Centreon Post Install
------------------------------------------------------------------------
Create /usr/local/centreon/www/install/install.conf.php OK
Create /usr/local/centreon/etc/instCentWeb.conf OK

------------------------------------------------------------------------
Start CentStorage Installation
------------------------------------------------------------------------

Where is your Centreon Run Dir directory?
default to [/var/run/centreon]
>/usr/local/centreon/var/run

Do you want me to create this directory ? [/usr/local/centreon/var/run]
[y/n], default to [n]:
> y
Path /usr/local/centreon/var/run OK

Where is your CentStorage binary directory
default to [/usr/local/centreon/bin]
>
Path /usr/local/centreon/bin OK

Where is your CentStorage RRD directory
default to [/var/lib/centreon]
>/usr/local/centreon/var/lib
Path /usr/local/centreon/var/lib OK
Preparing Centreon temporary files
/tmp/centreon-setup exists, it will be moved...
install www/install/createTablesCentstorage.sql OK
Creating Centreon Directory '/usr/local/centreon/var/lib/stOKus'
Creating Centreon Directory '/usr/local/centreon/var/lib/meOKics'
Change macros for centstorage binary OK
Install CentStorage binary OK
Install library for centstorage OK
Change right : /usr/local/centreon/var/run OK
Change macros for centstorage init script OK

Do you want me to install CentStorage init script ?
[y/n], default to [n]:
> y
CentStorage init script installed OK

Do you want me to install CentStorage run level ?
[y/n], default to [n]:
> y
Change macros for logAnalyser OK
Install logAnalyser OK
Change macros for logAnalyser-cbroker OK
Install logAnalyser-cbroker OK
Change macros for nagiosPerfTrace OK
Install nagiosPerfTrace OK
Change macros for purgeLogs OK
Install purgeLogs OK
Change macros for purgeCentstorage OK
Install purgeCentstorage OK
Change macros for centreonPurge.sh OK
Install centreonPurge.sh OK
Change macros for centstorage.cron OK
Install CentStorage cron OK
Change macros for centstorage.logrotate OK
Install Centreon Storage logrotate.d file OK
Create /usr/local/centreon/etc/instCentStorage.conf OK

------------------------------------------------------------------------
Start CentCore Installation
------------------------------------------------------------------------

Where is your CentCore binary directory
default to [/usr/local/centreon/bin]
>
Path /usr/local/centreon/bin OK
/usr/bin/ssh OK
/usr/bin/scp OK
Preparing Centreon temporary files
/tmp/centreon-setup exists, it will be moved...
Change CentCore Macro OK
Copy CentCore in binary directory OK
Change right : /usr/local/centreon/var/run OK
Change right : /usr/local/centreon/var/lib OK
Change macros for centcore.logrotate OK
Install Centreon Core logrotate.d file OK
Replace CentCore init script Macro OK
Do you want me to install CentCore init script ?
[y/n], default to [n]:
> y
CentCore init script installed OK

Do you want me to install CentCore run level ?
[y/n], default to [n]:
> y
Create /usr/local/centreon/etc/instCentCore.conf OK

------------------------------------------------------------------------
Start CentPlugins Installation
------------------------------------------------------------------------

Where is your CentPlugins lib directory
default to [/var/lib/centreon/centplugins]
> /usr/local/centreon/var/lib/centplugins/

Do you want me to create this directory ? [/usr/local/centreon/var/lib/centplugins/]
[y/n], default to [n]:
> y
Path /usr/local/centreon/var/lib/centplugins/ OK
Preparing Centreon temporary files
/tmp/centreon-setup exists, it will be moved...
Change macros for CentPlugins OK
Installing the plugins OK
Change right on centreon.conf OK
CentPlugins is installed

------------------------------------------------------------------------
Start CentPlugins Traps Installation
------------------------------------------------------------------------

Where is your SNMP configuration directory
default to [/etc/snmp]
>
/etc/snmp OK

Where is your SNMPTT binaries directory
default to [/usr/local/centreon/bin/]
>
/usr/local/centreon/bin/ OK
Finding Apache user : apache
Preparing Centreon temporary files
/tmp/centreon-setup exists, it will be moved...
Change macros for CentPluginsTraps OK
Change macros for init scripts OK
Installing the plugins Trap binaries OK
Change macros for snmptrapd.conf OK
Change macros for snmptt.ini OK
SNMPTT init script installed OK
Install : snmptrapd.conf OK
Install : snmp.conf OK
Install : snmptt.ini OK
Install : snmptt OK
Install : snmptthandler OK
Install : snmpttconvertmib OK
Create /usr/local/centreon/etc/instCentPlugins.conf OK
###############################################################################
# #
# Go to the URL : http://localhost/centreon/ #
# to finish the setup #
# #
# Report bugs at http://forge.centreon.com #
# #
# Thanks for using Centreon. #
# ----------------------- #
# Contact : infos@centreon.com #
# http://www.centreon.com #
# #
###############################################################################

web安装

(1)centreon的欢迎界面

nagios+centreon监控构建

(2)检查依赖关系

nagios+centreon监控构建

(3)配置nagios信息

nagios+centreon监控构建

(4)配置ndoutils模块

nagios+centreon监控构建

(5)配置admin用户

nagios+centreon监控构建

(6)配置数据库信息

nagios+centreon监控构建

(7)安装

nagios+centreon监控构建

(8)安装完成

nagios+centreon监控构建

5.服务器端nrpe安装

nrpe是nagios组件，能够执行远程主机的本地检测脚本，监控运行状态。

[root@localhost monitor]# tar -zxvf nrpe-2.14.tar.gz
[root@localhost nrpe-2.14]# ./configure
[root@localhost nrpe-2.14]# make all && make install

服务器端检测错误

[root@nodes01 nrpe-2.12]# /usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
CHECK_NRPE: Error - Could not complete SSL handshake

在/usr/local/nagios/etc/nrpe.cfg加入

allowed_hosts=127.0.0.1,192.168.4.213

[root@nodes01 nrpe-2.12]# /usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
NRPE v2.12
[root@nodes01 nrpe-2.12]# /usr/local/nagios/libexec/check_nrpe -H 192.168.4.213
NRPE v2.12

三.后续登录错误

1.错误信息

nagios+centreon监控构建

2.日志信息

25/4/2013 18:36:01 - 25/4/2013 18:36:1 - DBI connect('database=centreon_storage;host=localhost:3306','centreon',...) failed: Access denied for user 'centreon'@'localhost' to database 'centreon_storage' at /usr/local/centreon/bin/logAnalyser line 596

3.解决方法

mysql> grant all on centreon.* to centreon@localhost identified by '123456';
Query OK, 0 rows affected (0.07 sec)

mysql> grant all on centreon_status.* to centreon@localhost identified by '123456';
Query OK, 0 rows affected (0.00 sec)

mysql> grant all on centreon_storage.* to centreon@localhost identified by '123456';
Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.06 sec)

成功页面如下

nagios+centreon监控构建

四.检查重新生成配置文件

(1)检查main.cfg的配置

nagios+centreon监控构建

(2)检查ndo2db.cfg的配置

nagios+centreon监控构建

(3)检查ndomod.cfg的配置

nagios+centreon监控构建

(4)生成nagios配置文件

nagios+centreon监控构建

web页面重启完成后，查看nagios相关日志

[root@localhost ~]# tail -f /usr/local/nagios/var/nagios.log | grep ndomod
[1366898324] ndomod: Successfully connected to data sink. 122 queued items to flush.
[1366898324] ndomod: Successfully flushed 122 queued items to data sink.

如果有以上信息代表成功，因为ndoutils是nagios与centreon的纽带，必须保证其正常运行。

centreon的服务器端已经配置完成，对于其被监控主机上也安装nagios-plugins和nrpe软件包，这里就不再重复，centreon的应用配置及汉化后续再出。

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