优化备份

Oracle-backup-v2.0.0.sh

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+#!/bin/bash
+
+# 基础配置
+backup_dir="/mnt/mydata/backup"  # 本地备份路径
+data_dir="/mnt/mydata"          # 要备份的目录
+hostname=$(hostname)            # 获取主机名
+cloud_dir="backup/$hostname"    # 云端存储路径，使用hostname区分
+log_file="/var/log/bypy_backup.log"  # 日志文件
+max_cloud_backups=2             # 云端最多保留的备份数量
+
+# 日志函数
+log_message() {
+    echo "$(date +'%Y-%m-%d %H:%M:%S') - $1" >> "$log_file"
+    echo "$1"
+}
+
+# 创建本地备份目录
+mkdir -p "$backup_dir"
+
+# 生成备份文件名
+backup_file="backup-$hostname-$(date +'%Y-%m-%d').tar.gz"
+backup_path="$backup_dir/$backup_file"
+
+# 1. 创建新备份
+log_message "开始创建备份文件..."
+tar -czf "$backup_path" \
+    --exclude="$data_dir/.Recycle_bin" \
+    --exclude="$backup_dir" \
+    "$data_dir" 2>/dev/null
+
+if [ $? -eq 0 ]; then
+    log_message "备份文件创建成功: $backup_path"
+else
+    log_message "备份文件创建失败"
+    exit 1
+fi
+
+# 2. 清理本地旧备份
+num_local_backups=$(ls -l "$backup_dir" | grep ^- | grep 'backup-' | wc -l)
+if [ $num_local_backups -gt 1 ]; then
+    oldest_local_backup=$(ls -t "$backup_dir" | grep 'backup-' | tail -1)
+    rm "$backup_dir/$oldest_local_backup"
+    log_message "删除本地旧备份: $oldest_local_backup"
+fi
+
+# 3. 同步到云端
+log_message "确保云端目录存在..."
+/www/server/pyporject_evn/versions/3.13.0/bin/bypy mkdir "$cloud_dir"
+
+log_message "开始上传到云端..."
+/www/server/pyporject_evn/versions/3.13.0/bin/bypy syncup "$backup_dir" "$cloud_dir" 2>&1 | while IFS= read -r line; do
+    if [[ $line =~ ^\[.*%.*MB\/.*MB.*ETA.* ]] || [[ $line =~ ^Done$ ]] || [[ $line == *"100%"* ]]; then
+        echo "$line"
+        echo "$(date +'%Y-%m-%d %H:%M:%S') - $line" >> "$log_file"
+    fi
+done
+
+# 4. 清理云端旧备份
+log_message "清理云端旧备份..."
+cloud_backups=$(/www/server/pyporject_evn/versions/3.13.0/bin/bypy list "$cloud_dir" | grep "backup-" | awk '{print $NF}')
+cloud_backup_count=$(echo "$cloud_backups" | wc -l)
+
+if [ "$cloud_backup_count" -gt "$max_cloud_backups" ]; then
+    old_cloud_backups=$(echo "$cloud_backups" | head -n -$max_cloud_backups)
+    while IFS= read -r backup; do
+        /www/server/pyporject_evn/versions/3.13.0/bin/bypy delete "$cloud_dir/$backup"
+        log_message "删除云端旧备份: $backup"
+    done <<< "$old_cloud_backups"
+fi
+
+log_message "云端备份清理完成"
+
+# 显示当前云端备份列表
+log_message "当前云端备份列表:"
+/www/server/pyporject_evn/versions/3.13.0/bin/bypy list "$cloud_dir" >> "$log_file"