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        由于发布文章字数有限制。脚本解释将在这一篇文章里讲解。如下:
- #! /bin/bash
 - ## QQ:410018348
 - ################## nagios server configure ########################
 - installserver() { #定义安装nagios函数
 - read -p " Please input the alarm email address : " email #报警邮箱
 - read -p " Please input the login nagios user: " loginuser #网页登录时帐户
 - read -p " Please input the login nagios pass: " loginpass #网页登录时的密码
 - echo "############### Install nagios server #################"
 - yum -y install httpd php php-gd php-xml php-mbstring php-ldap php-pear php-xmlrpc httpd-manual mod_ssl mod_perl zlib libpng freetype libart_lgpl libart_lgpl-devel libxml* pango*
 - #安装 apache php 及其他
 - wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.2.3.tar.gz
 - useradd nagios -s /sbin/nologin
 - tar -xvf nagios-3.2.3.tar.gz
 - cd nagios-3.2.3
 - ./configure --prefix=/usr/local/nagios
 - make all
 - make install
 - make install-init
 - make install-config
 - make install-commandmode
 - make install-webconf
 - cd .. #安装nagios软件
 - wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz
 - tar -xvf nagios-plugins-1.4.15.tar.gz
 - cd nagios-plugins-1.4.15
 - ./configure
 - make
 - make install
 - cd .. #安装nagios监控插件
 - wget http://nchc.dl.sourceforge.net/sourceforge/nagios/nrpe-2.12.tar.gz
 - tar -xvf nrpe-2.12.tar.gz
 - cd nrpe-2.12
 - ./configure
 - make all
 - make install
 - make install-plugin
 - make install-daemon
 - make install-daemon-config
 - cd .. #安装nrpe插件
 - wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.7.tar.gz
 - tar -xvf rrdtool-1.4.7.tar.gz
 - cd rrdtool-1.4.7
 - ./configure --prefix=/usr/local/rrdtool/ &&make &&make install
 - cd .. #安装绘图工具
 - wget http://pkgs.fedoraproject.org/repo/pkgs/pnp4nagios/pnp-0.4.12.tar.gz/eb833a4769a5b58aad0ac53cae3e3e9f/pnp-0.4.12.tar.gz
 - tar -xvf pnp-0.4.12.tar.gz
 - cd pnp-0.4.12
 - ./configure --with-nagios-user=nagios --with-nagios-group-nagios --with-rrdtool=/usr/local/rrdtool/bin/rrdtool
 - make
 - make all
 - make install
 - make install-config
 - make install-init
 - cd .. #安装绘图工具
 - ## 以上为安装nagios服务的一些软件。
 - wget http://218.6.16.170/somenagios.tar #这里的我个人找的一些 cpu ,内存,及mysql的插件。 打包在这。
 - tar -xvf somenagios.tar -C /usr/local/nagios/libexec/
 - echo "################install nagios server completed#############" #nagios安装完成。
 - echo "################# configure nagios server start###############" #下面是常规的一些配置。
 - htpasswd -bc /usr/local/nagios/etc/htpasswd.users $loginuser $loginpass #创建用户密码,就是上面要求输入的内容。
 - # cgi.cfg configure#
 - sed -i "s#use_authentication=1#use_authentication=0#g" /usr/local/nagios/etc/cgi.cfg #更改use_authentication参数
 - #nagios.cfg configure#
 - sed -i '35i\cfg_file=/usr/local/nagios/etc/objects/hosts.cfg' /usr/local/nagios/etc/nagios.cfg #在nagios.cfg里添加 host.cfg
 - sed -i '35i\cfg_file=/usr/local/nagios/etc/objects/services.cfg' /usr/local/nagios/etc/nagios.cfg #在nagios.cfg里添加 services.cfg
 - sed -i '35i\cfg_file=/usr/local/nagios/etc/objects/hostgroup.cfg' /usr/local/nagios/etc/nagios.cfg #在nagios.cfg里添加 hostgroup.cfg
 - sed -i "s#cfg_file=/usr/local/nagios/etc/objects/localhost.cfg#\#cfg_file=/usr/local/nagios/etc/objects/localhost.cfg#g" /usr/local/nagios/etc/nagios.cfg #禁用监控本地的配置文件
 - sed -i "s#process_performance_data=0#process_performance_data=1#g" /usr/local/nagios/etc/nagios.cfg #更改 process_performance_data 为1
 - sed -i "s/#host_perfdata_command=process-host-perfdata/host_perfdata_command=process-host-perfdata/g" /usr/local/nagios/etc/nagios.cfg #开启 host_perfdata_commandsed -i "s/#service_perfdata_command=process-service-perfdata/service_perfdata_command=process-service-perfdata/g" /usr/local/nagios/etc/nagios.cfg #开启service_perfdata_command
 - #command.cfg configure#
 - line1=`sed -n '/process-host-perfdata$/=' /usr/local/nagios/etc/objects/commands.cfg` #查找commands.cfg里 process-host-perfdata的行
 - line2=`sed -n '/process-service-perfdata$/=' /usr/local/nagios/etc/objects/commands.cfg` #同上
 - sed -i "$(($line1+1))"d /usr/local/nagios/etc/objects/commands.cfg #删除上面找的行的下一行
 - sed -i "$(($line1+1))i\ command_line /usr/local/nagios/libexec/process_perfdata.pl" /usr/local/nagios/etc/objects/commands.cfg #插入新的命令
 - sed -i "$(($line2+1))"d /usr/local/nagios/etc/objects/commands.cfg #删除上面找的行的下一行
 - sed -i "$(($line2+1))i\ command_line /usr/local/nagios/libexec/process_perfdata.pl" /usr/local/nagios/etc/objects/commands.cfg #插入新的命令
 - echo '
 - define command{
 - command_name check_nrpe
 - command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ -t 30
 - }
 - define command {
 - command_name check_mysql
 - command_line $USER1$/check_mysql -H $HOSTADDRESS$ -unagdb -pnagdb -d nagdb
 - }
 - '>>/usr/local/nagios/etc/objects/commands.cfg # 在commands.cfg里添加两条命令。 nrpe及监控mysql
 - #templates.cfg configure#
 - echo '
 - define host {
 - name hosts-pnp
 - register 0
 - action_url /nagios/pnp/index.php?host=$HOSTNAME$
 - process_perf_data 1
 - }
 - define service {
 - name services-pnp
 - register 0
 - action_url /nagios/pnp/index.php?host=$HOSTNAME$&srv=$SERVICEDESC$
 - process_perf_data 1
 - }'>>/usr/local/nagios/etc/objects/templates.cfg
 - # 上面是在templates.cfg里添加性能分析图表的功能
 - #pnp configure#
 - cp /usr/local/nagios/etc/pnp/process_perfdata.cfg-sample /usr/local/nagios/etc/pnp/process_perfdata.cfg
 - cp /usr/local/nagios/etc/pnp/npcd.cfg-sample /usr/local/nagios/etc/pnp/npcd.cfg
 - cp /usr/local/nagios/etc/pnp/rra.cfg-sample /usr/local/nagios/etc/pnp/rra.cfg
 - chown -R nagios:nagios /usr/local/nagios/etc/pnp/*
 - #上面把pnp的模板文件改成真的配置文件 并授权
 - sed -i 's#LOG_LEVEL = 0#LOG_LEVEL = 2#g' /usr/local/nagios/etc/pnp/process_perfdata.cfg
 - #更改 LOG_LEVEL 为2
 - #contacts.cfg configure#
 - sed -i "s#nagios@localhost#$email#g" /usr/local/nagios/etc/objects/contacts.cfg
 - clear
 - #更改contacts.cfg里面的联系人为所输入的联系人
 - echo "################### nagios server install and configure completed,plase add hosts and services then start it ##################"
 - } #以上nagios安装及配置完成。
 - restartnagios(){ # 这里是定义nagios,nrpe,及apache重启的函数
 - echo "stopping ......"
 - service nagios stop #nagios stop
 - killall -9 nrpe #nrpe stop
 - service httpd stop #apache stop
 - echo "starting ......"
 - service nagios start #nagios start
 - /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d # nrpe start
 - service httpd start #apache start
 - }
 - addservices(){ #这里定义了在nagios端添加客户机的函数
 - read -p "please input the alias name : " host #输入添加机器别名
 - read -p "please input the clint ip : " ip #输入添加机器的ip
 - echo "define host {
 - host_name $host
 - use linux-server,hosts-pnp
 - alias nagios server
 - address $ip
 - contact_groups admins
 - check_command check-host-alive
 - max_check_attempts 5
 - notification_interval 10
 - notification_period 24x7
 - notification_options d,u,r
 - }" >> /usr/local/nagios/etc/objects/hosts.cfg #在hosts.cfg里添加一个主机 (参数的意思可以在网上看下)
 - echo "define hostgroup {
 - hostgroup_name myserver
 - alias myserver
 - members $host
 - }" >>/usr/local/nagios/etc/objects/hostgroup.cfg #在hostgroup.cfg里添中一个主机组,$host就是添加的别名
 - 是添加监控的具体服务。
 - echo "define service {
 - host_name $host
 - use local-service,services-pnp
 - service_description CPU
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_cpu
 - } #监控客户机CPU
 - define service {
 - host_name $host
 - use local-service,services-pnp
 - service_description CPU_load
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_load
 - } #监控客户机负载
 - define service {
 - host_name $host
 - use local-service,services-pnp
 - service_description HTTP
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_http
 - } #监控客户机http服务
 - define service {
 - host_name $host
 - use local-service,services-pnp
 - service_description MEMORY
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_mem
 - } #监控客户机的内存使用情况
 - define service {
 - host_name $host
 - service_description connect-count
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_ips
 - } #监控客户机的连接情况
 - define service {
 - host_name $host
 - service_description DISK
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_disk
 - } #监控客户机的硬盘分区使用情况
 - define service {
 - host_name $host
 - service_description mysql
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_mysql
 - } #监控客户机的mysql监控状态
 - define service {
 - host_name $host
 - service_description PING
 - use local-service,services-pnp
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 1
 - retry_check_interval 1
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_ping!100.0,20%!500.0,60%
 - } #监控客户机的ping是否正常
 - define service {
 - host_name $host
 - use local-service,services-pnp
 - service_description FTP
 - check_period 24x7
 - max_check_attempts 4
 - normal_check_interval 60
 - retry_check_interval 10
 - contact_groups admins
 - notification_interval 10
 - notification_period 24x7
 - notification_options w,u,c,r
 - check_command check_nrpe!check_ftp
 - } #监控客户机的ftp服务
 - " >>/usr/local/nagios/etc/objects/services.cfg #把上面内容添加到services.cfg里面 (参数的意思可以在网上看下)
 - echo "############### Add services completed ########"
 - }
 - ######################### nagios configure completed ########################
 - #以上为nagios服务端配置。
 - ####################### client server configure ########################
 - #以下为被监控端配置
 - clientnagios() { #定义客户机的安装配置
 - ### install soft###
 - read -p "Please input the nagios server ip : " nagiosip #输入naiogs服务端ip
 - read -p "Please input the mysql password : " mysqlpass #输入本机的mysql密码。
 - useradd nagios
 - yum install zlib libpng freetype libart_lgpl libart_lgpl-devel libxml* pango*
 - #安装所需要的包
 - wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz
 - tar -xvf nagios-plugins-1.4.15.tar.gz
 - cd nagios-plugins-1.4.15
 - ./configure
 - make
 - make install
 - cd ..
 - wget http://nchc.dl.sourceforge.net/sourceforge/nagios/nrpe-2.12.tar.gz
 - tar -xvf nrpe-2.12.tar.gz
 - cd nrpe-2.12
 - ./configure
 - make all
 - make install
 - make install-plugin
 - make install-daemon
 - make install-daemon-config
 - cd ..
 - #以上为安装被监控机所需要的软件
 - wget http://218.6.16.170/somenagios.tar
 - tar -xvf somenagios.tar -C /usr/local/nagios/libexec/ #这里是个人找的几个监控插件
 - ### install completed ###
 - ### configure ####
 - rm /usr/local/nagios/etc/nrpe.cfg #删除安装的nrpe.cfg配置文件
 - cat >>/usr/local/nagios/etc/nrpe.cfg<<EOF #添加以下内容到nrpe.cfg配置文件里。主要就是一些监控本机的命令,供nagios服务端调用
 - log_facility=daemon
 - pid_file=/var/run/nrpe.pid
 - server_port=5666
 - nrpe_user=nagios
 - nrpe_group=nagios
 - allowed_hosts=$nagiosip
 - dont_blame_nrpe=1
 - debug=1
 - command_timeout=30
 - connection_timeout=300
 - command[check_http]=/usr/local/nagios/libexec/check_http -H -u 127.0.0.1 /index.php -t 60
 - command[check_disk]=/usr/local/nagios/libexec/check_disk -w 15% -c 10% -A -i '/dev/shm'
 - command[check_cpu]=/usr/local/nagios/libexec/check_cpu.sh
 - command[check_mem]=/usr/local/nagios/libexec/check_mem.sh
 - command[check_ips]=/usr/local/nagios/libexec/ip_conn.sh 400 600
 - command[check_load]=/usr/local/nagios/libexec/check_load -w 14,12,10 -c 18,15,12
 - command[check_ftp]=/usr/local/nagios/libexec/check_ftp 127.0.0.1 -w 10 -c 60
 - EOF
 - mysql -uroot -p"$mysqlpass" <<EOF
 - create database nagdb;
 - grant all on nagdb.* to nagdb@"$nagiosip" identified by 'nagdb';
 - flush privileges;
 - \q
 - EOF #这里是创建一个只能是nagios服务端访问的库。监控mysql状态是需有的。
 - killall -9 nrpe
 - /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d #重启被监控机的nrpe服务
 - ############ configure completed ############
 - }
 - #客户机配置完成
 - real=`grep -l '\^H' /root/.bash_profile`
 - if [ $? -eq 1 ];then
 - echo 'stty erase ^H' >> /root/.bash_profile
 - source /root/.bash_profile #这几行主要就是让在使用read键时能使用回删键。写错了,回删了,重启写。不用这段的话,回删键会变成乱码。
 - fi
 - echo -e '\033[0;33;1m #################nagios################## \033[0m' #让echo能弄点颜色出来好看点。。。
 - echo "nagios server install and configure or addserver please input : 1"
 - echo " clint server install or configure please input : 2"
 - echo " exit please input : 3"
 - echo -e '\033[0;33;1m ######################################### \033[0m'
 - read -p "please chose : " frist #定义输入的值
 - if [ $frist -eq 1 ];then #值等于1时执行nagios服务器配置
 - echo -e '\033[0;33;1m #################nagios################## \033[0m'
 - echo "nagios server install and configue please input : 1"
 - echo " Add server and services please input : 2"
 - echo " exit please input : 3"
 - echo -e '\033[0;33;1m ######################################### \033[0m'
 - read -p "please chose : " nagiosfrist #定义nagiosfrist输入的值
 - if [ $nagiosfrist -eq 1 ];then #当nagiosfrist等于1时,执行下面 安装,添加服务 入重启服务的函数
 - installserver
 - addservices
 - restartnagios
 - elif [ $nagiosfrist -eq 2 ];then #当nagiosfrist等于2时,执行添加服务,重启服务函数
 - addservices
 - restartnagios
 - elif [ $nagiosfrist -eq 3 ];then #nagiosfrist等于3,就退出
 - clear
 - exit
 - else
 - echo "plase chose [1|2|3]" #都不等于的话,打印这个
 - fi
 - elif [ $frist -eq 2 ];then # 当frist等于2时 执行被监控端的函数
 - clientnagios
 - elif [ $frist -eq 3 ];then #等于3时退出
 - clear
 - exit
 - else
 - echo "plase chose [1|2|3]" #都不等的话,就打印这个
 - fi
 
脚本解析完成。本人也做了一系列的测试。看脚本是否能正常运行。答案是可以的。在测试当中,本人也装一些图抓了下来,在下篇博客 《一键搭建nagios监控系统之三 测试篇 》中我们来看下。
QQ:410018348
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