shell脚本自动化部署Zabbix4.2（修改脚本替换版本）

#!/bin/bash
#    检查操作系统版本，该脚本只能运行在 Centos 7.x 系统上
cat /etc/redhat-release |grep -i centos |grep '7.[[:digit:]]' >/dev/null
if [[ $? != 0 ]]
then
    echo -e "不支持的操作系统，该脚本只适用于CentOS 7.x  x86_64 操作系统"
    exit 1
fi
#    配置无人值守的安装，定义安装过程中需要用到的一些信息
DBPassword=admin123
CacheSize=256M
ZBX_SERVER_NAME=Zabbix-Server
http_port=80
#    配置 Zabbix 防火墙
firewall-cmd --permanent --zone=public --add-port=10051/tcp
firewall-cmd --permanent --zone=public --add-port=162/udp
firewall-cmd --permanent --zone=public --add-port=$http_port/tcp
firewall-cmd --reload
#    禁用服务器 SELinux
etenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=permissive/' /etc/sysconfig/selinux
#    配置 Zabbix 4.2 YUM 源
rpm -Uvh https://mirrors.aliyun.com/zabbix/zabbix/4.2/rhel/7/x86_64/zabbix-release-4.2-1.el7.noarch.rpm
sed -i 's/repo.zabbix.com/mirrors.aliyun.com\/zabbix/g' /etc/yum.repos.d/zabbix.repo
yum clean all
#    安装 Zabbix 4.2 Server、Web、Agent、DB
yum -y install zabbix-server-mysql zabbix-web-mysql zabbix-agent mysql mariadb-server wget
#    配置 Zabbix 数据库（创建账号，并导入zabbix库结构）
systemctl enable mariadb.service
systemctl start mariadb.service
mysql -e "create database zabbix character set utf8 collate utf8_bin;"
mysql -e "grant all privileges on zabbix.* to zabbix@localhost identified by '$DBPassword';"
mysql -e "flush privileges;"
zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql zabbix 
#    配置 Zabbix Web Server
sed -i 's/# php_value date.timezone Europe\/Riga/php_value date.timezone Asia\/Shanghai/' /etc/httpd/conf.d/zabbix.conf
sed -i 's/Listen 80/Listen '$http_port'/' /etc/httpd/conf/httpd.conf
cp /usr/share/zabbix/conf/zabbix.conf.php.example /etc/zabbix/web/zabbix.conf.php
sed -i "10c \$DB[\"PASSWORD\"]    = '$DBPassword';" /etc/zabbix/web/zabbix.conf.php
sed -i "16c \$ZBX_SERVER_NAME   = '$ZBX_SERVER_NAME';" /etc/zabbix/web/zabbix.conf.php
#    配置 Zabbix Server
sed -i "/^# DBPassword=/a DBPassword=$DBPassword" /etc/zabbix/zabbix_server.conf
sed -i "/^# CacheSize=8M/a CacheSize=$CacheSize" /etc/zabbix/zabbix_server.conf
sed -i "/^# StartPingers=1/a StartPingers=10" /etc/zabbix/zabbix_server.conf
#    启动 Zabbix 相关服务，并设置开机自启动
systemctl enable zabbix-server zabbix-agent httpd
systemctl start zabbix-server zabbix-agent httpd
#    安装成功，提示访问方式
echo -e  "\n您可以通过以下地址来访问 Zabbix Web Page\n"
for i in `ip a | grep 'inet ' | awk 'print $2}'  awk -F '/' '{print $1'` ; do echo -e "\thttp://$i:$http_port/zabbix" ; done
echo -e  "\n默认账号：Admin 密码：zabbix\n"