#!/usr/bin/env bash

#基准目录
base_dir=~

#站点名称
site_name=ctc-docker

#ctc-docker目录
ctc_docker_dir=${base_dir}/${site_name}

#ctc-docker备份文件
ctc_docker_tar=${base_dir}/${site_name}.tar.gz

#成功信息输出
success_print() {
  echo -e "\033[32m $1 \033[0m"
}

#失败信息输出
error_print() {
  echo -e "\033[31m $1 \033[0m"
}

#系统判断
os_type() {
  os=$(grep "^ID=" /etc/os-release)
  if [[ ${os} =~ 'centos' ]]; then
    echo 'centos'
  elif [[ ${os} =~ 'ubuntu' ]]; then
    echo 'ubuntu'
  elif [[ ${os} =~ 'debian' ]]; then
    echo 'debian'
  else
    echo 'other'
  fi
}

#判断是否root用户
if [[ $EUID -ne 0 ]]; then
    error_print "\n------ error: this script must be run as root ------\n" 1>&2
    exit 1
fi

if [ ! -d ${ctc_docker_dir} ]; then
  error_print "\n------ error: ctc-docker dir not found ------\n"
  exit 1
fi

#停止容器
echo -e "\n------ stop docker services ------\n"
cd ${ctc_docker_dir} && docker-compose down

#压缩文件
echo -e "\n------ create ctc-docker.tar.gz ------\n"
cd ${base_dir} && tar -czf ${site_name}.tar.gz ${site_name}

#重启容器
echo -e "\n------ start docker services ------\n"
cd ${ctc_docker_dir} && docker-compose up -d

if [ -e ${ctc_docker_tar} ]; then
  success_print "\n------ backup completed ------\n"
fi