Restore deleted S3 Objects by Prefix

restoreS3DeletedObjects.sh

bucket="SOME_BUCKET_NAME"
prefix="SOME_PREFIX"
objects="["


printf "\n\n>>> SALVAGING LOST DATA NOW\n\n"

while :
do
 count=0
 aws s3api list-object-versions --bucket $bucket --prefix $prefix --output text | 
 grep "DELETEMARKERS" | head -n 500 | (while read obj
   do
        count=$((count+1))
        KEY=$( echo $obj| awk '{print $3}')
        VERSION_ID=$( echo $obj | awk '{print $5}')
        printf "$count $KEY $VERSION_ID \n"
        one_object="{Key=$KEY,VersionId=$VERSION_ID}"
        if [[ $objects == "[" ]]; then
            objects="[$one_object"
        else
            objects="$objects, $one_object"
        fi
        payload="Objects=$objects], Quiet=false"
   done

   aws s3api delete-objects --bucket $bucket --delete "$payload"
   printf "\n\n\n>>> DELETED DELETE MARKERS FOR ABOVE BATCH\n\n\n"
   printf ">>> STARTING NEXT BATCH\n\n\n"
)

done