【nagios 一】自动化安装nagios

由于nagios的源码安装过程比较繁琐，于是将整个编译安装过程写进脚本让系统自动运行，这样减少人为干预，提高效率。

思路来源于“dl528888”的博客，http://dl528888.blog.51cto.com/

实验环境：centos 6.3 x86_64， 关闭防火墙，SELinux设为Disabled

安装包： nagios-3.4.1.tar.gz

         nagios-plugins-1.4.16.tar.gz

         nrpe-2.13.tar.gz

将该脚本nagiosauto.sh 和nagios的安装包nagios-3.4.1.tar.gz和插件安装包nagios-plugins-1.4.16.tar.gz 以及nrpe-2.13.tar.gz放在目录/usr/local/src下，并执行nagiosauto.sh脚本即可进行安装。

脚本执行完后，打开浏览器，输入http://ip/nagios, 提示输入用户名和密码，分别为nagiosadmin 和你所设置的密码 即可进入nagios的控制界面。

关于nagios的详细配置还需继续深入研究。

 

#!/bin/bash
#auto install nagios
#v2.0   -- add nrpe and correct path
#2012-12-10

LANG=C
nagiosdir="/usr/local/nagios"

function init_pack()        #安装需要的包和库文件
{
    yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5-devel libidn libidn-devel openssl openssl-devel nss_ldap openldap openldap-devel  openldap-clients openldap-servers libxslt-devel libevent-devel ntp  libtool-ltdl bison libtool vim-enhanced gd*
}


function install_httpd()  #安装httpd和php 服务
{
    yum -y install httpd* php*
    chkconfig httpd on
    service httpd restart
}

function user_group()      #添加nagios用户和组
{
    if [ ! $(grep 'nagios' /etc/passwd) ]; then
        useradd nagios
    fi
    if [ ! $(grep 'nagcmd' /etc/group) ]; then
        groupadd nagcmd
    fi
    usermod -G nagcmd nagios
    usermod -G nagcmd apache
}

function install_nagios()   #编译安装nagios
{
    cd /usr/local/src
    tar zxvf nagios-3.4.1.tar.gz
    tar zxvf nagios-plugins-1.4.16.tar.gz
    tar zxvf nrpe-2.13.tar.gz

    cd /usr/local/src/nagios
    ./configure --with-command-group=nagcmd --prefix=$nagiosdir
    make all
    make install
    make install-init
    make install-config
    make install-commandmode
    make install-webconf

    cd /usr/local/src/nagios-plugins-1.4.16
    ./configure --with-nagios-user=nagios --with-nagios-group=nagios --perfix=$nagiosdir
    make && make install

    cd /usr/local/src/nrpe-2.13
    ./configure
    make all
    make install-plugin
    make install-daemon
    make install-daemon-config

    htpasswd -bc $nagiosdir/etc/htpasswd.users nagiosadmin "bcd123"      #设置自己的密码
    chown -R nagios:nagios $nagiosdir
    chmod -R 755 $nagiosdir
    chcon -R --reference=/var/www/html/ $nagiosdir
    chkconfig --add nagios
    chkconfig nagios on
    $nagiosdir/bin/nagios -v $nagiosdir/etc/nagios.cfg
    service nagios start
}

init_pack
install_httpd
user_group
install_nagios