#!/bin/bash

year=

while getopts ":y:m:" opt
do
    case $opt in 
        y)
        year=$OPTARG
        ;;
        m)
        month=$OPTARG
        ;;
        ?)
        echo "usage: maketar -y=2019 -m=2"
        exit 1;;
    esac
done

if [ ! -n "$year" ]; then
    echo "no year paramerter"
    exit 1
fi

if [ ! -n "$month" ]; then
    echo "no month paramerter"
    exit 1
fi


output_change="`pwd`/backup"

start_month=`printf "%02d" ${month}`
start_year=${year}

next_month=`expr ${month} + 1`
if [ $next_month -gt 12 ]; then
    end_month="01"
    end_year=`expr ${year} + 1`
else
    end_month=`printf "%02d" ${next_month}`
    end_year=${year}
fi

output_path="${start_year}_${start_month}_01-${end_year}_${end_month}_01"
tar_file_name="${start_year}_${start_month}_01-${end_year}_${end_month}_01".tar.bz2

echo ${output_change}
echo ${tar_file_name}

rm -f ${tar_file_name}

tar czvf ${tar_file_name} -C ${output_change} ${output_path}
/opt/ossutil64 cp -f ${tar_file_name} oss://mongo-history/mongobackup/