使用NDOUtils将Nagios监控信息存入mysql
环境介绍：系统：红帽企业版5.4
Nagios正确安装运行，版本3.0.6 安装目录：/usr/local/nagios
MySQL正确安装并运行，安装目录：/usr/local/mysql
1：安装DBI包
# cd /usr/local/src/tarbag/
# wget http://www.cpan.org/modules/by-module/DBI/DBI-1.605.tar.gz
# tar zxvf DBI-1.605.tar.gz -C ../software/
# cd ../software/DBI-1.605/
# perl Makefile.PL
# make && make install
2：安装DBD-mysql
# cd -
/usr/local/src/tarbag
# wget http://search.cpan.org/CPAN/authors/id/C/CA/CAPTTOFU/DBD-mysql-3.0008.tar.gz
# tar -zxvf DBD-mysql-3.0008.tar.gz -C ../software/
# cd ../software/DBD-mysql-3.0008/
# unset LANG
# perl Makefile.PL --libs="-L/usr/local/mysql/lib/mysql -lmysqlclient -L/usr/lib -lz " --cflags=-I/usr/local/mysql/include/mysql --mysql_config=/usr/local/mysql/bin/mysql_config -testhost=127.0.0.1 --testsocket=/tmp/mysql.sock --testdb=nagios --testuser=root --testpassword=password
………………………………………………………输出省略………………………………………………
I will use the following settings for compiling and testing:
cflags (User's choice) = -I/usr/local/mysql/include/mysql
embedded (mysql_config ) =
libs (User's choice) = -L/usr/local/mysql/lib/mysql -lmysqlclient -L/usr/lib -lz
mysql_config (Users choice ) = /usr/local/mysql/bin/mysql_config
nocatchstderr (default ) = 0
nofoundrows (default ) = 0
ssl (guessed ) = 0
testdb (User's choice) = nagios
testhost (User's choice) = 127.0.0.1
testpassword (default ) = password
testsocket (User's choice) = /tmp/mysql.sock
testuser (User's choice) = root
To change these settings, see 'perl Makefile.PL --help' and
'perldoc INSTALL'.
Using DBI 1.605 (for perl 5.008008 on i386-linux-thread-multi) installed in /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DBI/
Writing Makefile for DBD::mysql
# make && make install
3:创建mysql头文件和库文件的链接到/usr相关目录下
# cd
# ln -s /usr/local/mysql/include/* /usr/include/
# ln -s /usr/local/mysql/lib/* /usr/lib/
4：安装ndoutils
# cd /usr/local/src/tarbag/
# wget http://sourceforge.net/projects/nagios/files/ndoutils-1.x/ndoutils-1.4b7/ndoutils-1.4b7.tar.gz/download
--00:56:40-- http://sourceforge.net/projects/nagios/files/ndoutils-1.x/ndoutils-1.4b7/ndoutils-1.4b7.tar.gz/download
# tar -zxvf ndoutils-1.4b7.tar.gz -C ../software/
# cd ../software/ndoutils-1.4b7/
# ./configure --prefix=/usr/local/nagios --enable-mysql
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MySQL library and include file(s) were found!
configure: creating ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating subst
config.status: creating include/config.h
*** Configuration summary for ndoutils 1.4b7 10-31-2007 ***:
General Options:
-------------------------
NDO2DB user: nagios
NDO2DB group: nagios
Review the options above for accuracy. If they look okay,
type 'make' to compile the NDO utilities.
# make
# cd src/
# cp ndomod-3x.o ndo2db-3x log2ndo file2sock /usr/local/nagios/bin/
# cd ../db
# mysql
Welcome to the MySQL monitor. Commands end with ; or /g.
Your MySQL connection id is 6
Server version: 5.1.36-log Source distribution
Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.
mysql> create database nagios;
Query OK, 1 row affected (0.06 sec)
# ./installdb -u root -p password -d nagios
install_driver(mysql) failed: Can't load '/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/DBD/mysql/mysql.so' for module DBD::mysql: libmysqlclient.so.16: cannot open shared object file
出现上面的错误，是因为找不到libmysqlclient.so.16这个库文件，解决办法如下：
# ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.16 /usr/lib
# ln -s /usr/local/mysql/lib/mysql/libmysqlclient.so.16 /usr/lib64/ (针对服务器64位系统)
# ./installdb -u root -p 123456 -d nagios
DBD::mysql::db do failed: Table 'nagios.nagios_dbversion' doesn't exist at ./installdb line 51.
** Creating tables for version 1.4b7
Using mysql.sql for installation...
** Updating table nagios_dbversion
Done!
DBD::mysql::db do failed: Table 'nagios.nagios_dbversion' doesn't exist at ./installdb line 51（这个错误可以忽略…）
若出现错误提示“failed: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) at ./installdb line 41“，原因是找不到mysql.sock，编译安装的msyql一般sock的位置是在/tmp下，解决办法有两个,一是修改/etc/my.cnf文件中sock的位置，二是创建一个软链接到/var/lib/mysql下面
# cd ../config
# cp ndo* /usr/local/nagios/etc/
修改/usr/local/nagios/etc/ndo2db.cfg文件的数据库信息
# grep -v '^#' /usr/local/nagios/etc/ndo2db.cfg |sort |uniq
db_host=localhost
db_name=nagios
db_pass=password
db_port=3306
db_prefix=nagios_
db_servertype=mysql
db_user=root
debug_file=@localstatedir@/ndo2db.debug
debug_level=0
debug_verbosity=1
max_debug_file_size=1000000
max_eventhandlers_age=44640
max_hostchecks_age=10080
max_servicechecks_age=10080
max_systemcommands_age=10080
max_timedevents_age=1440
ndo2db_group=nagios
ndo2db_user=nagios
socket_name=/usr/local/nagios/var/ndo.sock
socket_type=unix
tcp_port=5668
修改nagios.cfg
#复制下面内容粘贴到/usr/local/nagios/etc/nagios.cfg配置文件的#broker_module＝...下面。
#Uncomment the line below if you're running Nagios 3.x
broker_module=/usr/local/nagios/bin/ndomod-3x.o config_file=/usr/local/nagios/etc/ndomod.cfg
#修改/usr/local/nagios/etc/nagios.cfg配置文件下面参数的值为-1（一般默认如此）。
# grep 'broker' /usr/local/nagios/etc/nagios.cfg |grep -v '^#'
event_broker_options=-1
broker_module=/usr/local/nagios/bin/ndomod-3x.o config_file=/usr/local/nagios/etc/ndomod.cfg
# 启动ndo2db
/usr/local/nagios/bin/ndo2db-3x -c /usr/local/nagios/etc/ndo2db.cfg
若出现提示信息“Support for the specified database server is either not yet supported, or was not found on your system“ 应该是没找到mysql.h等头文件导致的，请确保所必须的库已安装，并在./configure时指定头文件目录！
解决方法：确保vim /etc/ld.so.conf文件内容
include ld.so.conf.d/*.conf
/usr/local/mysql/lib/mysql
/usr/local/mysql/include/mysql
问题描述：Could not bind socket:Address already in use
解决方法：rm /usr/local/nagios/var/ndo.sock
重启nagios服务
# service nagios restart
Running configuration check...done.
Stopping nagios: .done.
Starting nagios: done.
查看日志
# tail -f /usr/local/nagios/var/nagios.log
Caught SIGTERM, shutting down...
Successfully shutdown... (PID=17653)
Nagios 3.2.0 starting... (PID=19072)
Local time is Wed Jan 27 02:01:31 EST 2010
LOG VERSION: 2.0
ndomod: NDOMOD 1.4b7 (10-31-2007) Copyright (c) 2005-2007 Ethan Galstad (nagios@nagios.org)
ndomod: Successfully connected to data sink. 0 queued items to flush.
Event broker module '/usr/local/nagios/bin/ndomod-3x.o' initialized successfully.
Finished daemonizing... (New PID=19075)
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