#!/bin/bash

# 获取当前日期和时间
current_time=$(date +"%Y-%m-%d-%H")
userName=$1
password=$2
dbName=$3
host=$4
backUpPath=$5
ossPath=$6

# 备份文件名
backup_file="${dbName}_backUp_${current_time}.sql"

echo "backup_file: "${backup_file}
mkdir ${backUpPath} -p || true
# 备份MySQL数据库
mysqldump --column-statistics=0 -R --opt -u${userName} -p"${password}" -h${host} ${dbName} > ${backUpPath}/"$backup_file"
cd ${backUpPath}
rm sql -rf || true
mkdir sql || true
mv ${backup_file} sql/
tar -czvf ${backup_file}".tar.gz" "sql/"
ossutil cp ${backup_file}".tar.gz" oss://${ossPath}/${backup_file}".tar.gz"
rm -fr sql

# 存储60个小时前的备份文件名的数组
old_backup_files=()

cd ${backUpPath}
# 遍历60个小时前的备份文件，并将文件名存入数组
while IFS= read -r -d '' file; do
    old_backup_files+=("$file")
done < <(find ${backUpPath} -name "${dbName}_backUp_*.tar.gz" -type f -mmin +3600 -print0)

# 遍历数组，删除备份文件
for file in "${old_backup_files[@]}"; do
    rm "$file" || true
    ossutil rm $file oss://${ossPath}/$file -f || true
done

#删除10天前的备份
#delete_date=$(date -d "10 days ago" +%Y-%m-%d)
#delete_file="${dbName}_backup_${delete_date}.sql.tar.gz"
#rm ${backUpPath}/"$delete_file"

# 输出日志
echo "[$current_date $current_time] 执行${dbName}数据库备份并删除10天前备份成功"