基于Nginx平台部署Nagios监控系统

tdfd

环境：CentOS 6.5（最小化安装）
Nginx：1.6.2
Nagios：3.3.1

安装基本环境：

1 2	[iyunv@localhost software]# yum -y install gcc gcc-c++ [iyunv@localhost software]# yum -y install perl-devel perl

源码安装PHP：

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[iyunv@localhost software]# yum -y install mysql mysql-devel [iyunv@localhost software]# yum -y install gd-2.0.35-11.el6.x86_64.rpm gd-devel-2.0.35-11.el6.x86_64.rpm [iyunv@localhost software]# yum -y install libxml2 libxml2-devel [iyunv@localhost software]# tar -zxvf zlib-1.2.7.tar.gz &>/dev/null [iyunv@localhost software]# cd zlib-1.2.7 [iyunv@localhost zlib-1.2.7]# ./configure -prefix=/usr/local/zlib  &&make &&make install [iyunv@localhost software]# tar -zxvf libmcrypt-2.5.7.tar.gz &>/dev/null [iyunv@localhost software]# cd libmcrypt-2.5.7 [iyunv@localhost libmcrypt-2.5.7]# ./configure &&make &&make install [iyunv@localhost software]# useradd -s /sbin/nologin www [iyunv@localhost software]# tar -jxvf php-5.3.8.tar.bz2 &>/dev/null [iyunv@localhost software]# cd php-5.3.8 [iyunv@localhost php-5.3.8]# ./configure --prefix=/usr/local/php --enable-mbstring --enable-soap --enable-wddx=shared --enable-xml --with-gd --with-gettext --with-regex=system --with-zlib-dir=/usr/local/zlib --enable-fpm --with-jpeg-dir --with-fpm-user=www --with-fpm-group=www --enable-shmop --with-mcrypt --with-mysqli=mysqlnd [iyunv@localhost php-5.3.8]# make &&make install [iyunv@localhost ~]# cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf [iyunv@localhost ~]# sed -i '/run\/php-fpm.pid/s/^;//g' /usr/local/php/etc/php-fpm.conf [iyunv@localhost ~]# sed -i '/^;pm.min_spare_servers/s/^;//g' /usr/local/php/etc/php-fpm.conf [iyunv@localhost ~]# sed -i '/^;pm.max_spare_servers/s/^;//g' /usr/local/php/etc/php-fpm.conf [iyunv@localhost ~]# sed -i '/^;pm.start_servers/s/^;//g' /usr/local/php/etc/php-fpm.conf [iyunv@localhost ~]# /usr/local/php/sbin/php-fpm [iyunv@localhost ~]# echo '/usr/local/php/sbin/php-fpm'>>/etc/rc.local

[iyunv@localhost ~]# netstat -tunlp |grep php

tcp        0      0 127.0.0.1:9000              0.0.0.0:*                   LISTEN      1592/php-fpm        

[iyunv@localhost ~]# ps -ef|grep php|grep -v grep
root       1592      1  0 12:36 ?        00:00:00 php-fpm: master process (/usr/local/php/etc/php-fpm.conf)
www        1593   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1594   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1595   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1596   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1597   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1598   1592  0 12:36 ?        00:00:00 php-fpm: pool www
www        1599   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1600   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1601   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1602   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1603   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1604   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1605   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1606   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1607   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1608   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1609   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1610   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1611   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
www        1612   1592  0 12:36 ?        00:00:00 php-fpm: pool www         
[iyunv@localhost ~]#

安装Nginx：

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[iyunv@localhost software]# tar -jxvf pcre-8.12.tar.bz2 &>/dev/null [iyunv@localhost software]# cd pcre-8.12 [iyunv@localhost pcre-8.12]# ./configure &&make &&make install zlib上面安装php时已安装 [iyunv@localhost software]# tar -zxvf openssl-1.0.1c.tar.gz &>/dev/null [iyunv@localhost software]# cd openssl-1.0.1c [iyunv@localhost openssl-1.0.1c]# ./config &&make &&make install [iyunv@localhost software]# tar -zxvf nginx-1.6.2.tar.gz &>/dev/null [iyunv@localhost software]# cd nginx-1.6.2 [iyunv@localhost nginx-1.6.2]# ./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_ssl_module --with-pcre=/software/pcre-8.12 --with-zlib=/software/zlib-1.2.7 --with-openssl=/software/openssl-1.0.1c --with-http_stub_status_module [iyunv@localhost nginx-1.6.2]# make &&make install

编写/etc/init.d/nginx文件

[iyunv@localhost nginx-1.6.2]# /etc/init.d/nginx start

Starting nginx:                                            [  OK  ]

[iyunv@localhost nginx-1.6.2]#

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[iyunv@localhost nginx-1.6.2]# chkconfig --add nginx [iyunv@localhost nginx-1.6.2]# chkconfig nginx on [iyunv@localhost conf]# ln -s /usr/local/nagios/share /usr/local/nginx/html/nagios

[iyunv@localhost conf]# ll /usr/local/nginx/html/

total 8

-rw-r--r-- 1 root root 537 Apr 18 10:59 50x.html

-rw-r--r-- 1 root root 612 Apr 18 10:59 index.html

lrwxrwxrwx 1 root root  23 Apr 18 12:43 nagios -> /usr/local/nagios/share

还需要自己编写nginx.conf、fastcgi.conf、cgi.conf、start_perl_cgi.sh、perl-fcgi.pl

[iyunv@localhost conf]#

给Nginx添加对Perl的CGI支持（默认不支持）：
安装FCGI模块：

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[iyunv@localhost software]# tar -zxvf FCGI-0.73.tar.gz &>/dev/null [iyunv@localhost software]# cd FCGI-0.73 [iyunv@localhost FCGI-0.73]# perl Makefile.PL &&make &&make install [iyunv@localhost software]# tar -zxvf FCGI-ProcManager-0.25.tar.gz &>/dev/null [iyunv@localhost software]# cd FCGI-ProcManager-0.25 [iyunv@localhost FCGI-ProcManager-0.25]# perl Makefile.PL &&make &&make install [iyunv@localhost software]# tar -zxvf IO-1.25.tar.gz &>/dev/null [iyunv@localhost software]# cd IO-1.25 [iyunv@localhost IO-1.25]# perl Makefile.PL &&make &&make install [iyunv@localhost software]# tar -zxvf IO-All-0.39.tar.gz &>/dev/null [iyunv@localhost software]# cd IO-All-0.39 [iyunv@localhost IO-All-0.39]# perl Makefile.PL &&make &&make install [iyunv@localhost software]# tar -zxvf spawn-fcgi-1.6.3.tar.gz &>/dev/null [iyunv@localhost software]# cd spawn-fcgi-1.6.3 [iyunv@localhost spawn-fcgi-1.6.3]# ./configure &&make &&make install [iyunv@localhost software]# unzip perl-fcgi.zip [iyunv@localhost software]# cp perl-fcgi.pl /usr/local/nginx/ [iyunv@localhost software]# chmod 755 /usr/local/nginx/perl-fcgi.pl [iyunv@localhost software]# cd /usr/local/nginx/ [iyunv@localhost nginx]# chmod 755 start_perl_cgi.sh

编写start_perl_cgi.sh脚本

1	[iyunv@localhost nginx]# ./start_perl_cgi.sh start

start perl-fcgi done
[iyunv@localhost nginx]# ll /usr/local/nginx/logs/perl-fcgi.sock
srwxr-xr-x 1 www www 0 Apr 18 11:02 /usr/local/nginx/logs/perl-fcgi.sock
[iyunv@localhost nginx]# echo "/bin/sh /usr/local/nginx/start_perl_cgi.sh start" >>/etc/rc.local
安装Nagios：

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[iyunv@localhost software]# yum -y install libgd2-noxpm libgd2-noxpm-dev [iyunv@localhost software]# yum -y install php-gd [iyunv@localhost software]# groupadd nagcmd [iyunv@localhost software]# useradd -G nagcmd nagios [iyunv@localhost software]# usermod -G nagcmd www [iyunv@localhost software]# tar -zxvf nagios-3.3.1.tar.gz &>/dev/null [iyunv@localhost software]# cd nagios [iyunv@localhost nagios]# ./configure --with-command-group=nagcmd --prefix=/usr/local/nagios --with-gd-lib=/usr/lib --with-gd-nc=/usr/include [iyunv@localhost nagios]# make all &&make install &&make install-init &&make install-config &&make install-commandmode [iyunv@localhost nagios]# yum -y install httpd-tools [iyunv@localhost nagios]# cd /usr/local/nagios/etc/ [iyunv@localhost etc]# htpasswd -cm htpasswd.users yfshare [iyunv@localhost etc]# sed -i '/authorized\_for\_/s/nagiosadmin/&\,yfshare/g' cgi.cfg [iyunv@localhost etc]# cd /usr/local/nginx/conf/ [iyunv@localhost etc]# mkdir /usr/local/nagios/logs

[iyunv@localhost etc]# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg |grep ^Total
Total Warnings: 0
Total Errors:   0
[iyunv@localhost etc]# /etc/init.d/nagios start
Starting nagios: done.

1 2	[iyunv@localhost etc]# chkconfig --add nagios [iyunv@localhost etc]# chkconfig nagios on

也可通过访问http://www.4webhelp.net/us/password.php生成htpasswd.users

[iyunv@localhost etc]# /etc/init.d/nagios restart
Running configuration check...done.
Stopping nagios: done.
Starting nagios: done.
[iyunv@localhost etc]#
[iyunv@localhost conf]# /etc/init.d/nginx restart
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
Stopping nginx:                                            [  OK  ]
Starting nginx:                                            [  OK  ]
[iyunv@localhost conf]#
安装Nagios-plugin：

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[iyunv@localhost software]# tar -zxvf nagios-plugins-1.4.15.tar.gz &>/dev/null [iyunv@localhost software]# cd nagios-plugins-1.4.15 [iyunv@localhost nagios-plugins-1.4.15]# ./configure --with-nagios-user=nagios --with-nagios-group=nagios --enable-perl-modules [iyunv@localhost nagios-plugins-1.4.15]# make &&make install [iyunv@localhost software]# ls /usr/local/nagios/libexec/|wc -l 58 [iyunv@localhost software]#

安装NRPE：

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[iyunv@localhost software]# yum -y install openssl openssl-devel [iyunv@localhost software]# tar -zxvf nrpe-2.13.tar.gz &>/dev/null [iyunv@localhost software]# cd nrpe-2.13 [iyunv@localhost nrpe-2.13]# ./configure [iyunv@localhost nrpe-2.13]# make all &&make install-plugin &&make install-daemon &&make install-daemon-config [iyunv@localhost nrpe-2.13]# cd /usr/local/nagios/etc/ [iyunv@localhost etc]# sed -i '/allowed_host/s/127.0.0.1/&,192.168.10.99/g' nrpe.cfg [iyunv@localhost etc]# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d [iyunv@localhost etc]# echo "/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d" >> /etc/rc.local

[iyunv@localhost etc]# /usr/local/nagios/libexec/check_nrpe -H localhost
NRPE v2.13
[iyunv@localhost etc]#

访问:http://192.168.10.99/nagios

但是，打开页面时，其他选项卡都是显示的502 Bad Gateway
[iyunv@localhost ~]# chown nagios:nagcmd /usr/local/nagios/ -R
[iyunv@localhost ~]# chown www:nagcmd /usr/local/nginx/ -R
[iyunv@localhost ~]# cd /usr/local/nginx/


[iyunv@localhost nginx]# ./start_perl_cgi.sh start
ERROR PID file /usr/local/nginx/logs/perl-fcgi.pid already exists
start perl-fcgi done
[iyunv@localhost nginx]#
因为perl-fcgi进程意外中断，但是进程未退出变成了孤儿进程，所以就变成这样了
修改下脚本start_perl_cgi.sh
[iyunv@localhost nginx]# ./start_perl_cgi.sh start
start perl-fcgi done
[iyunv@localhost nginx]#
[iyunv@localhost nginx]# /etc/init.d/nagios restart
Running configuration check...done.
Stopping nagios: done.
Starting nagios: done.
[iyunv@localhost nginx]# /etc/init.d/nginx restart
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
Stopping nginx:                                            [  OK  ]
Starting nginx:                                            [  OK  ]
[iyunv@localhost nginx]#

OK，在Nginx上安装Nagios成功
如果出现上面的问题，解决方法：

1	[iyunv@localhost ~]# sed -i '/use_authentication/s/1/0/g' /usr/local/nagios/etc/cgi.cfg

[iyunv@localhost ~]# /etc/init.d/nagios restart
Running configuration check...done.
Stopping nagios: done.
Starting nagios: done.
[iyunv@localhost ~]# /etc/init.d/nginx restart
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
Stopping nginx:                                            [  OK  ]
Starting nginx:                                            [  OK  ]
[iyunv@localhost ~]#
访问http://192.168.10.99/nagios/

OK，Successful