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#!/bin/bash

v_time=`date "+%Y-%m-%d %H:%M:%S"`

bakstr="[Start auto backup gitlab data:]"${v_time}

logfile="/home/localgitlab/test/auto_back.txt"

echo >> $logfile

echo $bakstr >> $logfile

pathSrc="/home/localgitlab/disk_new/backup"

filesSrc=$(ls $pathSrc)

pathDst="/media/localgitlab/a1df1b08-ae43-45ea-8067-994497738cb2/backups"

filesDst=$(ls $pathDst)

nSrcFileCount=0

### Backup file: The file that determines the original path is not in the target path, 

### and is not copied.

for filename in $filesSrc

do

    nSrcFileCount=$(( $nSrcFileCount + 1 ))

    need_copy="yes"

    for dstfile in $filesDst

    do

        if [ $filename == $dstfile ];then

            need_copy="no"

        fi

    done

    if [ $need_copy == 'yes' ];then    

        echo $filename " need backup" >> $logfile

        strCompletePath=${pathSrc}'/'${filename}

        cp $strCompletePath $pathDst

        if [ $? -eq 0 ]; then

            echo "copy file success" >> $logfile

        else

            echo "copy file fail" >> $logfile

        fi

    else

        echo $filename " not need backup" >> $logfile

    fi

done

echo "Src dir have file count:" $nSrcFileCount >> $logfile

### Keep only data within 180 days

delSrc=$(find $pathSrc -type f -mtime +180)

for delfilename in $delSrc

do

    echo "Need delete file: " $delfilename >> $logfile

    rm -f $delfilename

    if [ $? -eq 0 ]; then

        echo "delete file success" >> $logfile

    else

        echo "delete file fail" >> $logfile

    fi

done