80 lines
1.9 KiB
Bash
Executable File
80 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# -*- coding: utf-8 -*-
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# Redis数据恢复脚本
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set -e
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
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log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
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# 配置
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REDIS_CONTAINER="ljwx-redis"
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BACKUP_DIR="backup/redis"
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REDIS_DATA_DIR="data/redis"
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# 检查参数
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if [ $# -eq 0 ]; then
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# 自动选择最新备份
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RDB_FILE=$(ls -t $BACKUP_DIR/*.rdb 2>/dev/null | head -1)
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if [ -z "$RDB_FILE" ]; then
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log_error "未找到Redis备份文件"
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echo "用法: $0 [dump.rdb]"
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exit 1
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fi
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log_info "自动选择最新备份: $RDB_FILE"
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else
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RDB_FILE="$1"
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if [ ! -f "$RDB_FILE" ]; then
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log_error "Redis备份文件不存在: $RDB_FILE"
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exit 1
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fi
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fi
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log_info "开始Redis数据恢复..."
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# 检查Redis容器
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if ! docker ps | grep -q $REDIS_CONTAINER; then
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log_error "Redis容器未运行"
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exit 1
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fi
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# 备份当前Redis数据
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CURRENT_BACKUP="$BACKUP_DIR/pre_restore_$(date +%Y%m%d_%H%M%S).rdb"
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log_info "备份当前Redis数据: $CURRENT_BACKUP"
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docker exec $REDIS_CONTAINER redis-cli BGSAVE
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sleep 5
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docker cp $REDIS_CONTAINER:/data/dump.rdb $CURRENT_BACKUP
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# 停止Redis服务
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log_info "停止Redis服务..."
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docker-compose stop $REDIS_CONTAINER
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# 恢复数据文件
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log_info "恢复Redis数据文件..."
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cp $RDB_FILE $REDIS_DATA_DIR/dump.rdb
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chmod 777 $REDIS_DATA_DIR/dump.rdb
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# 启动Redis服务
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log_info "启动Redis服务..."
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docker-compose start $REDIS_CONTAINER
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# 等待服务就绪
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sleep 10
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# 验证恢复
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if docker exec $REDIS_CONTAINER redis-cli ping | grep -q PONG; then
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KEY_COUNT=$(docker exec $REDIS_CONTAINER redis-cli DBSIZE 2>/dev/null || echo "0")
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log_info "Redis恢复成功，当前键数量: $KEY_COUNT"
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log_info "恢复前备份保存至: $CURRENT_BACKUP"
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else
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log_error "Redis恢复失败"
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exit 1
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fi
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