准备工作

1. 下载 Redis 8 安装包

# Redis 8.0.0 示例（请替换为实际版本）
http://download.redis.io/releases/redis-8.0.0.tar.gz

一、脚本内容：

#!/usr/bin/python
# -*- coding: UTF-8 -*-import os
import time
import shutil
import subprocessREDIS_VERSION = "redis-8.0.0"
REDIS_TAR = REDIS_VERSION + ".tar.gz"  # 改为Python 2兼容的字符串拼接
INSTALL_DIR = "/usr/local/redis"
BACKUP_DIR = os.path.join(INSTALL_DIR, "backups")
BACKUP_SCRIPT = os.path.join(INSTALL_DIR, "backup_redis.sh")def run_command(cmd, error_msg):"""执行命令并检查结果，失败时抛出异常（Python 2兼容版本）"""ret = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)output, error = ret.communicate()if ret.returncode != 0:raise Exception("%s (code: %d)\nError output: %s" % (error_msg, ret.returncode, error))def install_dependencies():"""安装依赖"""try:run_command("rpm -Uvh --force --nodeps ./gcc/*.rpm", "依赖安装失败，请检查gcc RPM包是否存在")except Exception as e:print "\033[31m错误：%s\033[0m" % str(e)raisedef install_redis():"""安装Redis"""try:# 解压if not os.path.exists(REDIS_TAR):raise Exception("Redis安装包 %s 不存在" % REDIS_TAR)run_command("tar -zxvf " + REDIS_TAR, "解压Redis失败")# 编译安装os.chdir(REDIS_VERSION)run_command("make MALLOC=libc", "编译Redis失败")os.chdir("src")run_command("make install", "安装Redis失败")# 创建安装目录if os.path.exists(INSTALL_DIR):shutil.rmtree(INSTALL_DIR)os.makedirs(INSTALL_DIR)# 复制文件run_command("cp -R ./* " + INSTALL_DIR, "复制文件失败")run_command("cp ../redis.conf " + INSTALL_DIR + "/", "复制配置文件失败")# 修改配置conf_path = os.path.join(INSTALL_DIR, "redis.conf")with open(conf_path, "r") as f:content = f.read()content = content.replace("daemonize no", "daemonize yes")content = content.replace("bind 127.0.0.1 -::1", "bind 0.0.0.0")content = content.replace("# requirepass foobared", "requirepass 123456")with open(conf_path, "w") as f:f.write(content)# 启动Redisrun_command(INSTALL_DIR + "/redis-server " + INSTALL_DIR + "/redis.conf", "启动Redis服务失败")except Exception as e:print "\033[31m错误：%s\033[0m" % str(e)raisedef setup_backup():"""配置数据备份策略（Python 2兼容版本）"""try:# 创建备份目录if not os.path.exists(BACKUP_DIR):os.makedirs(BACKUP_DIR)# 创建备份脚本backup_script = """#!/bin/bash
BACKUP_DIR="%s"
DATE=$(date +%%Y%%m%%d_%%H%%M%%S)
# 备份RDB文件
cp %s/dump.rdb "$BACKUP_DIR/dump_$DATE.rdb" 2>/dev/null || echo "无RDB文件可备份"
# 删除7天前的备份
find "$BACKUP_DIR" -name 'dump_*.rdb' -mtime +7 -exec rm -f {} \\;
""" % (BACKUP_DIR, INSTALL_DIR)with open(BACKUP_SCRIPT, "w") as f:f.write(backup_script)os.chmod(BACKUP_SCRIPT, 0755)# 添加cron任务cron_job = "0 2 * * * root " + BACKUP_SCRIPT + "\n"with open("/etc/cron.d/redis_backup", "w") as f:f.write(cron_job)except Exception as e:print "\033[33m警告：备份配置失败 - %s\033[0m" % str(e)def detect_service():"""检测服务是否运行（Python 2兼容版本）"""try:time.sleep(3)result = subprocess.Popen("pgrep -f redis-server", shell=True, stdout=subprocess.PIPE)output = result.communicate()[0]return result.returncode == 0except:return Falsedef prompt_success():"""安装成功提示（Python 2兼容版本）"""print """\033[5;32;40m 恭喜%s安装成功！ \033[0m使用前注意：Redis已启动，端口：6379，绑定所有网卡，密码：123456防火墙需放行6379端口，临时关闭防火墙命令：systemctl stop firewalld安装路径：%s启动命令：%s/redis-server %s/redis.conf配置文件：%s/redis.conf数据备份策略：每日凌晨2点自动备份RDB文件至：%s保留最近7天的备份，旧备份自动删除备份脚本位置：%s""" % (REDIS_VERSION, INSTALL_DIR, INSTALL_DIR, INSTALL_DIR, INSTALL_DIR, BACKUP_DIR, BACKUP_SCRIPT)def prompt_fail():"""安装失败提示（Python 2兼容版本）"""print """\033[5;31;40m 安装失败，请检查错误信息！ \033[0m"""if __name__ == '__main__':try:install_dependencies()install_redis()setup_backup()if detect_service():prompt_success()else:print "\033[31m错误：Redis进程未检测到，可能启动失败\033[0m"prompt_fail()except Exception as e:prompt_fail()

二、执行步骤

[root@myoracle redis8]# chmod +x redis8.py
[root@myoracle redis8]# ./redis8.py