46 lines
1.1 KiB
Bash
46 lines
1.1 KiB
Bash
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#!/bin/bash
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# 备份目录
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BACKUP_DIR="/tmp/redisDumps"
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# Redis持久化文件路径（根据你的Redis配置文件进行调整）
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# 解析命令行参数
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while [[ "$#" -gt 0 ]]; do
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case $1 in
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--dumpFile) REDIS_DUMP_FILE="$2"; shift ;;
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*) echo "Unknown parameter passed: $1"; exit 1 ;;
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esac
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shift
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done
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# 创建备份目录（如果不存在）
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mkdir -p $BACKUP_DIR
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# 执行Redis的BGSAVE命令来创建快照
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redis-cli BGSAVE
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# 等待持久化操作完成，可以使用 sleep 来等待几秒钟（视情况而定）
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sleep 5
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# 检查并重命名现有备份文件
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if [ -f $BACKUP_DIR/dump2.rdb ]; then
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echo "Removing existing dump2.rdb"
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rm -f $BACKUP_DIR/dump2.rdb
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fi
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if [ -f $BACKUP_DIR/dump1.rdb ]; then
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echo "Renaming dump1.rdb to dump2.rdb"
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mv $BACKUP_DIR/dump1.rdb $BACKUP_DIR/dump2.rdb
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fi
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if [ -f $BACKUP_DIR/dump.rdb ]; then
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echo "Renaming dump.rdb to dump1.rdb"
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mv $BACKUP_DIR/dump.rdb $BACKUP_DIR/dump1.rdb
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fi
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# 复制新的dump.rdb到备份目录
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echo "Copying new dump.rdb to $BACKUP_DIR"
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cp $REDIS_DUMP_FILE $BACKUP_DIR/dump.rdb
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echo "Backup completed successfully."
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