#!/bin/bash

# 定义目录和备份文件路径
SOURCE_DIR="/var/snap/microk8s/common/mnt/data/elasticsearch-data"
BACKUP_DIR="/home/ubuntu/data/tmp/backUp"
BACKUP_FILE="$BACKUP_DIR/backup-$(date '+%Y-%m-%d_%H-%M-%S').tar.gz"

# 创建备份目录（如果不存在）
mkdir -p "$BACKUP_DIR"

# 创建备份（保留elasticsearch-data目录结构）
echo "正在备份 $SOURCE_DIR 到 $BACKUP_FILE"
tar -czf "$BACKUP_FILE" -C "$(dirname "$SOURCE_DIR")" "$(basename "$SOURCE_DIR")"

# 检查备份是否成功
if [ $? -eq 0 ]; then
    echo "备份成功: $BACKUP_FILE"
else
    echo "备份失败"
    exit 1
fi

# 保留最新的 8 个备