78 lines
2.1 KiB
Bash
78 lines
2.1 KiB
Bash
#!/bin/bash
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# MariaDB安装脚本
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_info() {
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echo -e "\e[32m$1\e[0m"
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}
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_error() {
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echo -e "\e[31m错误: $1\e[0m"
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exit 1
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}
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_error_detect() {
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if ! eval "$1"; then
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_error "执行命令 ($1) 失败"
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fi
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}
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generate_random_password() {
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# 生成一个随机密码
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tr -dc 'A-Za-z0-9_@%+~#!' </dev/urandom | head -c 16
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}
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install_mariadb() {
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_info "开始安装MariaDB"
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_error_detect "apt update"
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_error_detect "apt install -yq mariadb-server"
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_error_detect "systemctl start mariadb"
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_error_detect "systemctl enable mariadb"
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_info "MariaDB安装完成"
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}
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configure_database() {
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database_name="mymariadb"
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mysql_password=$(generate_random_password)
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db_root_password="${mysql_password}"
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# 设置 root 密码
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_error_detect "mysql -e \"ALTER USER 'root'@'localhost' IDENTIFIED BY '${db_root_password}';\""
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cat >/tmp/.add_mysql.sql<<EOF
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CREATE USER '${database_name}'@'localhost' IDENTIFIED BY '${mysql_password}';
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CREATE USER '${database_name}'@'127.0.0.1' IDENTIFIED BY '${mysql_password}';
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GRANT USAGE ON *.* TO '${database_name}'@'localhost' IDENTIFIED BY '${mysql_password}';
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GRANT USAGE ON *.* TO '${database_name}'@'127.0.0.1' IDENTIFIED BY '${mysql_password}';
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CREATE DATABASE IF NOT EXISTS ${database_name};
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GRANT ALL PRIVILEGES ON ${database_name}.* TO '${database_name}'@'localhost';
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GRANT ALL PRIVILEGES ON ${database_name}.* TO '${database_name}'@'127.0.0.1';
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FLUSH PRIVILEGES;
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EOF
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if mysql -uroot -p"${db_root_password}" < /tmp/.add_mysql.sql; then
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_info "数据库 ${database_name} 创建成功"
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else
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_error "数据库 ${database_name} 创建失败"
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fi
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rm -f /tmp/.add_mysql.sql
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}
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print_db_info() {
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_info "数据库信息："
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_info "数据库名称：${database_name}"
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_info "数据库用户：${database_name}"
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_info "数据库密码：${mysql_password}"
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_info "MariaDB root 密码：${db_root_password}"
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_info "请妥善保管以上信息"
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}
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_info "MariaDB 安装脚本开始执行"
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install_mariadb
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configure_database
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print_db_info
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_info "MariaDB安装、配置和数据库创建已完成"
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