zabbix监控nginx的状态页面

1.环境说明

主机名称	IP地址	充当角色	所需软件
zabbbix	192.168.195.130	zabbix服务端	zabbix_server、zabbix_agent(需在lamp或lnmp上部署)
nginx	192.168.195.133	nginx、zabbix客户端	nginx+zabbix_agent

2.所涉及到的知识点

1.安装部署nginx请阅读源码编译安装部署lnmp

2.安装部署zabbix服务端请阅读监控服务zabbix部署

3.配置邮箱告警和自定义监控请阅读zabbix服务配置邮箱告警（定义媒介、配置动作和zabbix服务自定义监控_碳烤小肥杨…的博客-CSDN博客

3.在nginx主机上安装zabbix_agent

//通过zabbix主机将zabbix源码包发送到nginx主机上
[root@zabbix src]# scp zabbix-6.4.6.tar.gz root@192.168.195.133:/root/
The authenticity of host '192.168.195.133 (192.168.195.133)' can't be established.
ECDSA key fingerprint is SHA256:KtCxYXSsV732izj+QL2uzJDCS2G/X1MOMV+uUkriDno.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '192.168.195.133' (ECDSA) to the list of known hosts.
root@192.168.195.133's password: 
zabbix-6.4.6.tar.gz                                                                 100%   42MB 169.9MB/s   00:00    
[root@zabbix src]#

//在客户端安装代理，创建zabbix用户用来运行zabbix
[root@nginx ~]# useradd -r -M -s /sbin/nologin zabbix

//前往nginx主机上查看，并将其解压至/usr/lcoal/目录
[root@nginx ~]# ls
anaconda-ks.cfg                             nginx-1.24.0.tar.gz     php-8.2.11.tar.gz
mysql-5.7.39-linux-glibc2.12-x86_64.tar.gz  oniguruma-6.9.4.tar.gz  zabbix-6.4.6.tar.gz
[root@nginx ~]# tar xf zabbix-6.4.6.tar.gz -C /usr/local/
[root@nginx ~]# ls /usr/local/ && cd /usr/local/
bin    include  libexec                              nginx            php8        share
etc    lib      mysql                                nginx-1.24.0     php-8.2.11  src
games  lib64    mysql-5.7.39-linux-glibc2.12-x86_64  oniguruma-6.9.4  sbin        zabbix-6.4.6
[root@nginx local]#

//安装编译安装所需要的软件包
[root@nginx local]# yum -y install gcc gcc-c++ make

//进入zabbix-6.4.6的目录进行编译
[root@nginx local]# cd zabbix-6.4.6/
[root@nginx zabbix-6.4.6]# ./configure --enable-agent
. . .
***********************************************************
*            Now run 'make install'                       *
*                                                         *
*            Thank you for using Zabbix!                  *
*              <http://www.zabbix.com>                    *
***********************************************************
最后报这个则表示编译成功，可直接使用make install安装

[root@nginx zabbix-6.4.6]# make install

//修改zabbix客户端的配置文件
[root@nginx zabbix-6.4.6]# cd /usr/local/etc
[root@nginx etc]# ls
zabbix_agentd.conf  zabbix_agentd.conf.d
[root@nginx etc]# vim zabbix_agentd.conf
[root@nginx etc]# grep -A2 '# ServerActive=' zabbix_agentd.conf
# ServerActive=

ServerActive=192.138.195.130    //改为server端的ip
[root@centos2 etc]# grep -A2 '# Server=' zabbix_agentd.conf
# Server=

Server=192.168.195.130          //改为server端的ip
[root@centos2 etc]# grep -A2 '# Hostname=' zabbix_agentd.conf
# Hostname=

Hostname=nginx              //修改主机名，必须全局唯一

//设置zabbix_agentd开机自启，将zabbix主机上的service文件传送到nginx主机
[root@zabbix src]# scp /usr/lib/systemd/system/zabbix_agentd.service root@192.168.195.133:/usr/lib/systemd/system/
root@192.168.195.133's password: 
zabbix_agentd.service                                                               100%  227   212.3KB/s   00:00    
[root@zabbix src]#

[root@nginx ~]# systemctl daemon-reload     //重新加载
[root@nginx ~]# systemctl enable --now zabbix_agentd  //设置开机自启
Created symlink /etc/systemd/system/multi-user.target.wants/zabbix_agentd.service → /usr/lib/systemd/system/zabbix_agentd.service.
[root@nginx ~]# systemctl status zabbix_agentd
● zabbix_agentd.service - zabbix agentd daemon
   Loaded: loaded (/usr/lib/systemd/system/zabbix_agentd.service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2023-10-18 22:57:55 CST; 55s ago
  Process: 12261 ExecStart=/usr/local/sbin/zabbix_agentd (code=exited, status=0/SUCCESS)
 Main PID: 12263 (zabbix_agentd)
    Tasks: 6 (limit: 23790)
   Memory: 3.1M
   CGroup: /system.slice/zabbix_agentd.service
           ├─12263 /usr/local/sbin/zabbix_agentd
           ├─12264 /usr/local/sbin/zabbix_agentd: collector [idle 1 sec]
           ├─12265 /usr/local/sbin/zabbix_agentd: listener #1 [waiting for connection]
           ├─12266 /usr/local/sbin/zabbix_agentd: listener #2 [waiting for connection]
           ├─12267 /usr/local/sbin/zabbix_agentd: listener #3 [waiting for connection]
           └─12268 /usr/local/sbin/zabbix_agentd: active checks #1 [idle 1 sec]

Oct 18 22:57:55 nginx systemd[1]: Starting zabbix agentd daemon...
Oct 18 22:57:55 nginx systemd[1]: Started zabbix agentd daemon.

//查看10050端口是否存在
[root@nginx ~]# ss -antlp | grep 10050
LISTEN    0         128                0.0.0.0:10050            0.0.0.0:*        users:(("zabbix_agentd",pid=12268,fd=7),("zabbix_agentd",pid=12267,fd=7),("zabbix_agentd",pid=12266,fd=7),("zabbix_agentd",pid=12265,fd=7),("zabbix_agentd",pid=12264,fd=7),("zabbix_agentd",pid=12263,fd=7))

4.开启nginx状态显示页面

[root@nginx ~]# vim /usr/local/nginx/conf/nginx.conf
[root@nginx ~]# cat /usr/local/nginx/conf/nginx.conf
......
location /status {
          stub_status on;
          allow 192.168.195.0/24;       //放行的ip，要放行本机和zabbix服务端   
        }
       
//重启服务后查看nginx状态页面
[root@nginx ~]# nginx -s stop 
[root@nginx ~]# nginx
[root@nginx ~]# curl http://192.168.195.133/status
Active connections: 1 
server accepts handled requests
 1 1 1 
Reading: 0 Writing: 1 Waiting: 0

//为监控nginx状态编写脚本文件
[root@nginx ~]# mkdir /scripts && cd /scripts
[root@nginx scripts]# vim nginx_status.sh
[root@nginx scripts]# chmod +x nginx_status.sh
[root@nginx scripts]# cat nginx_status.sh 
#!/bin/bash
  
if [ $1 == 'reading' ]; then
      curl -s 192.168.195.133/status | awk 'NR==4{print $2}'

elif [ $1 == 'writing' ]; then
      curl -s 192.168.195.133/status | awk 'NR==4{print $4}'

elif [ $1 == 'waiting' ]; then
      curl -s 192.168.195.133/status | awk 'NR==4{print $6}'
fi
[root@nginx scripts]# 

//进入配置文件，创建自定义监控任务
[root@nginx ~]# vim /usr/local/etc/zabbix_agentd.conf
[root@nginx ~]# tail -1 /usr/local/etc/zabbix_agentd.conf
UserParameter=check_nginx[*],/scripts/nginx_status.sh $1

//因为我们修改了配置文件，所以需要重启服务，重新读取配置文件内容
[root@nginx ~]# systemctl restart zabbix_agentd.service

//创建自定义监控任务后，我们需要在server端去测试一下是否能接受到被监控端的值
[root@zabbix ~]# zabbix_get -s 192.168.195.133 -k check_nginx['reading']
0
[root@zabbix ~]# zabbix_get -s 192.168.195.133 -k check_nginx['writing']
1
[root@zabbix ~]# zabbix_get -s 192.168.195.133 -k check_nginx['waiting']
0
[root@zabbix ~]#            //成功接收到值

主机上的配置完成

5.进入zabbix的web页面配置主机，监控项，触发器

5.1.添加主机

5.2.创建监控项

5.3.创建触发器

另外的writing数值和waiting数值与此相似，数值自己定义