nagios+centreon监控构建

珀耳塞福建

　　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
　　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

　　(2)检查依赖关系

　　(3)配置nagios信息

　　(4)配置ndoutils模块

　　(5)配置admin用户

　　(6)配置数据库信息
　　

　　(7)安装
　　

　　(8)安装完成

　　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

　　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

　　四.检查重新生成配置文件
　　(1)检查main.cfg的配置

　　(2)检查ndo2db.cfg的配置
　　

　　

　　(3)检查ndomod.cfg的配置

　　(4)生成nagios配置文件
　　

　　

　　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。