nginx环境下搭建nagios 3.5.0

本文基于《LNMP最新源码安装脚本》,Nagios依赖PHP环境和perl环境，由于Nginx不支持Perl的CGI，需先来搭建Perl环境，Nagios原理介绍略。

1、下载最新稳定源码包和Perl脚本

wget http://www.cpan.org/modules/by-module/FCGI/FCGI-0.74.tar.gz

wget http://www.cpan.org/authors/id/B/BO/BOBTFISH/FCGI-ProcManager-0.24.tar.gz

wget http://blog.linuxeye.com/wp-content/uploads/2013/04/perl-fcgi.pl

wget http://jaist.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.5.0/nagios-3.5.0.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/nrpe-2.x/nrpe-2.14/nrpe-2.14.tar.gz

2、Nginx对Perl的CGI支持

Nginx支持Perl的CGI方法有好几种，基本原理都是通过Perl的FCGI模块实现，下面的方法就是其中一种：

安装FCGI模块

tar xzf FCGI-0.74.tar.gz

cd FCGI-0.74

perl Makefile.PL

make && make install

cd ../

安装FCGI-ProcManager模块

tar xzf FCGI-ProcManager-0.24.tar.gz

cd FCGI-ProcManager-0.24

perl Makefile.PL

make && make install

cd ../

安装IO模块

tar xvf IO-1.25.tar.gz

perl Makefile.PL

make && make install

cd ..

安装IO-All模块

tar xvf IO-All-0.39.tar.gz

cd IO-All-0.39

perl Makefile.PL

make && make install

启动方法一：

【

Perl脚本

cp perl-fcgi.pl /usr/local/nginx

chmod +x /usr/local/nginx/perl-fcgi.pl

/usr/local/nginx/perl-fcgi.pl > /usr/local/nginx/logs/perl-fcgi.log 2>&1 & #启动Perl

chmod 777 /usr/local/nginx/logs/perl-fcgi.sock #Nginx Log中提示Permision Denied方法

】

启动方法二：

下载nginx-fcgi脚本

Wget http://www.nginx.eu/nginx-fcgi/nginx-fcgi.txt

#mv nginx-fcgi.txt /usr/sbin/nginx-fcgi

#chmod +x /usr/sbin/nginx-fcgi

mv nginx-fcgi.txt  /usr/local/nginx/sbin/nginx-fcgi (我的nginx安装位置)

chmod +x /usr/local/nginx/sbin/nginx-fcgi

如果不用 sudo 方式运行 nginx-fcgi，请注释掉 nginx-fcgi 脚本中的：

if ( $> == "0" ) {

print "\n\tERROR\tRunning as a root!\n";

print "\tSuggested not to do so !!!\n\n";

exit 1;

}

启动 nginx-fcgi：

/usr/local/nginx/sbin/nginx-fcgi -l /usr/local/nginx/logs/nginx-fcgi.log -pid /usr/local/nginx/logs/nginx-fcgi.pid -S /usr/local/nginx/logs/nginx-fcgi.sock

chown nginx:nginx  /usr/local/nginx/logs/nginx-fcgi.sock

注意一定要为 socket 添加 nginx 帐户的权限，否则 cgi 会执行失败。

运行前使用cpan 安装 FCGI;  Getopt::Long;  Socket;

设置开机启动（添加到/etc/rc.loacl文件）

/bin/rm -rf /usr/local/nginx/logs/nginx-fcgi.pid

/usr/local/nginx/sbin/nginx-fcgi -l /usr/local/nginx/logs/nginx-fcgi.log -pid /usr/local/nginx/logs/nginx-fcgi.pid -S /usr/local/nginx/logs/nginx-fcgi.sock

chmod 777 /usr/local/nginx/logs/nginx-fcgi.sock

新建 nginx-fcgi 脚本指令配置，直接从 fastcgi_params 复制模板：

cp /etc/nginx/fastcgi_params /etc/nginx/nginx_fcgi_params

去除尾部的：

# PHP only, required if PHP was built with –enable-force-cgi-redirect

fastcgi_param  REDIRECT_STATUS    200;

新建示例 cgi 站点配置：

server {

listen       80;

server_name  test.local;

location ~ ^/cgi-bin/.*\.cgi$

{

root           /work/www/test;

fastcgi_index  index.cgi;

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;

include        nginx_fcgi_params;

fastcgi_read_timeout    5m;

fastcgi_pass   unix:/var/run/nginx-fcgi.sock;

}

}

重启 nginx，cgi配置完成。

3、Nagios安装(服务端)

useradd nagios

groupadd nagcmd

usermod -a -G nagcmd nagios

usermod -a -G nagcmd www

tar xzf nagios-3.5.0.tar.gz

cd nagios

yum -y install gd gd-devel

./configure --prefix=/usr/local/nagios --with-command-group=nagcmd --with-htmurl=/ –with-cgiurl=/cgi-bin

make all

make install #用于安装主要的程序、CGI及HTML文件

make install-init #用于生成init启动脚本

make install-config #用于安装示例配置文件

make install-commandmode #用于设置相应的目录权限

chkconfig --add nagios

chkconfig nagios on

cd ../

Nagios主程序只是提供一个运行框架，其具体监控是靠运行在其下的插件完成的，Nagios插件必须安装

tar xzf nagios-plugins-1.4.16.tar.gz

cd nagios-plugins-1.4.16

./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios

make && make install

cd ../

配置Nagios Web界面登陆帐号及密码

借用Apache的htpasswd命令工具

yum install httpd

service httpd stop && chkconfig httpd off   #不启用Apache

/usr/local/apache/bin/htpasswd -nb nagiosadmin 123456 > /usr/local/nagios/etc/htpasswd.users

生成加密文件

cat /usr/local/nagios/etc/htpasswd.users

nagiosadmin:wqx7mC26z5vKs

* 修改配置文件

打开 /usr/local/nagios/etc/cgi.cfg，修改 use_authentication 为：

use_authentication=0

即去除用户验证，然后重启 nagios。

打开 /usr/local/nagios/share/config.inc.php，把：

$cfg[‘cgi_base_url‘]=‘/nagios/cgi-bin‘;

改为（根据自己的实际情况修改）：

$cfg[‘cgi_base_url‘]=‘/cgi-bin‘;

如果报错：Error: No such CGI app - /usr/local/nagios/sbin/cgi-bin/status.cgi may not exist or is not executable by this process.

则一般都是这里的错误，此处修改的位置根据上面configure编译nagios时定义–with-cgiurl=/cgi-bin修改，本人的这次安装不知道哪里出问题，编译nagios带参数–with-cgiurl=/cgi-bin，此处却必须为 $cfg[‘cgi_base_url‘]=‘/nagios/cgi-bin‘;不能修改，可能带的参数编译不成功

启动前先检查下配置文件是否正确

/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

如果没有报错，可以启动Nagios服务

/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg

【或者/etc/init.d/nagios start】

查看nagios监控状态

/usr/local/nagios/bin/nagiostats

nginx配置文件：

vim /usr/local/nginx/conf/nginx.conf

user  www www;

worker_processes 10;

error_log  /data/logs/nginx_error.log  crit;

#pid        logs/nginx.pid;

#Specifies the value for maximum file descriptors that can be opened by this process.

worker_rlimit_nofile 51200;

events

{

use epoll;

worker_connections 51200;

}

http

{

include       mime.types;

default_type  application/octet-stream;

#charset  gbk;

server_names_hash_bucket_size 128;

client_header_buffer_size 16k;

large_client_header_buffers 4 32k;

#client_max_body_size 8m;

server_tokens off;

expires       1h;

sendfile on;

tcp_nopush     on;

keepalive_timeout 60;

tcp_nodelay on;

error_page   404  /;

fastcgi_connect_timeout 300;

fastcgi_send_timeout 300;

fastcgi_read_timeout 300;

fastcgi_buffer_size 64k;

fastcgi_buffers 8 128k;

fastcgi_busy_buffers_size 128k;

fastcgi_temp_file_write_size 128k;

fastcgi_temp_path /dev/shm;

gzip on;

gzip_min_length  2048;

gzip_buffers     4 16k;

gzip_http_version 1.1;

gzip_types  text/plain  text/css     application/xml application/x-javascript ;

log_format  access  ‘$remote_addr - $remote_user [$time_local] "$request" ‘

‘$status $body_bytes_sent "$http_referer" ‘

‘"$http_user_agent" $http_x_forwarded_for‘;

#################  include  ###################

#       server

#       {

#               listen 81;

#               server_name empty;

#               root /data/web/webclose;

#       }

server {

listen       80;

server_name  test.local;

location ~ ^/cgi-bin/.*\.cgi$

{

root           /work/www/test;

fastcgi_index  index.cgi;

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;

include        nginx_fcgi_params;

fastcgi_read_timeout    5m;

fastcgi_pass   unix:/var/run/nginx-fcgi.sock;

}

}

server

{

listen       81;

server_name  71.69.ming.cn ;

index index.html index.htm index.php;

root  /data/web/awstats/www;

location /status/ {

stub_status on;

access_log   off;

expires off;

}

location ~ .*\.php$

{

include fcgi.conf;

fastcgi_pass  127.0.0.1:10080;

fastcgi_index index.php;

expires off;

}

access_log  /data/logs/71.69.ming.cn.log  access;

}

include block_ips.conf ;

include vhost/nagios.conf ;

}

vim /usr/local/nginx/conf/vhost/nagios.conf

server

{

listen      80;

server_name  nagios.frsy.com;

access_log     /usr/local/nginx/logs/access.log;

root /usr/local/nagios/share;

index index.php index.html index.htm;

location ~ .*\\.(php|php5)?$

{

fastcgi_pass  127.0.0.1:9000;

fastcgi_index index.php;

include  fcgi.conf;

auth_basic "Nagios Login pain";

auth_basic_user_file /usr/local/nagios/etc/htpasswd.users;

}

location ~ .*\\.cgi$ {

root /usr/local/nagios/sbin;

rewrite ^/nagios/cgi-bin/(.*)\\.cgi /$1.cgi break;

fastcgi_pass unix:/usr/local/nginx/logs/nginx-fcgi.sock;

fastcgi_index index.cgi;

fastcgi_param SCRIPT_FILENAME /usr/local/nagios/sbin/$fastcgi_script_name;

fastcgi_param HTTP_ACCEPT_LANGUAGE zh-cn;

include fcgi.conf;

auth_basic "Nagios Login pain";

auth_basic_user_file /usr/local/nagios/etc/htpasswd.users;

}

location /nagios/ {

alias /usr/local/nagios/share/;

}

}

vim /usr/local/nginx/conf/fcgi.conf

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;

fastcgi_param  SERVER_SOFTWARE    nginx;

fastcgi_param  QUERY_STRING       $query_string;

fastcgi_param  REQUEST_METHOD     $request_method;

fastcgi_param  CONTENT_TYPE       $content_type;

fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;

fastcgi_param  REQUEST_URI        $request_uri;

fastcgi_param  DOCUMENT_URI       $document_uri;

fastcgi_param  DOCUMENT_ROOT      $document_root;

fastcgi_param  SERVER_PROTOCOL    $server_protocol;

fastcgi_param  REMOTE_ADDR        $remote_addr;

fastcgi_param  REMOTE_PORT        $remote_port;

fastcgi_param  SERVER_ADDR        $server_addr;

fastcgi_param  SERVER_PORT        $server_port;

fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect

#fastcgi_param  REDIRECT_STATUS    200;

或者

（nginx + php-fpm页面显示空白的问题http://blog.sina.com.cn/s/blog_67d781d20101nhy0.html）

fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;

fastcgi_param  QUERY_STRING       $query_string;

fastcgi_param  REQUEST_METHOD     $request_method;

fastcgi_param  CONTENT_TYPE       $content_type;

fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;

fastcgi_param  REQUEST_URI        $request_uri;

fastcgi_param  DOCUMENT_URI       $document_uri;

fastcgi_param  DOCUMENT_ROOT      $document_root;

fastcgi_param  SERVER_PROTOCOL    $server_protocol;

fastcgi_param REMOTE_USER $remote_user;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;

fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;

fastcgi_param  REMOTE_ADDR        $remote_addr;

fastcgi_param  REMOTE_PORT        $remote_port;

fastcgi_param  SERVER_ADDR        $server_addr;

fastcgi_param  SERVER_PORT        $server_port;

fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect

fastcgi_param  REDIRECT_STATUS    200;

时间： 2024-08-24 20:47:49

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