#!/bin/bash
PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin

password_file='/etc/rsyncd.pwd'
exclude_file='/etc/rsyncd.exclude'

user='user'
ip='ip'
source='/opt /var/www'
destination='data/'
archive_dir='archives/'

mode='archive'
#mode='files'

delete_archive=true
#delete_archive=false

archive_with_date=true
#archive_with_date=false

if ! which rsync >/dev/null 2>&1; then
  echo "rsync is not installed. Installing..."
  sudo apt-get update
  sudo apt-get install -y rsync
fi

if [ "$mode" == "files" ]; then
  rsync -a --exclude-from=$exclude_file --password-file=$password_file $source $user@$ip::$destination
  if [ $? -eq 0 ] && [ "$delete_archive" = true ]; then
    rm -rf $source/*
  fi
else
  mkdir -p $archive_dir

  if [ "$archive_with_date" = true ]; then
    today=$(date +"%Y%m%d")
    archive_dir="$archive_dir/$today"
    mkdir -p $archive_dir
  fi

  for dir in $source; do
    if [ "$archive_with_date" = true ]; then
      archive_name=$(echo $dir | tr '/' '_').tar.gz
      tar -czf $archive_dir/$archive_name $dir
    else
      archive_name=$(basename $dir).tar.gz
      tar -czf $archive_dir/$(date +"%Y%m%d")-$archive_name $dir
    fi
  done

  rsync -a --exclude-from=$exclude_file --password-file=$password_file --relative $archive_dir/ $user@$ip::$destination

  if [ $? -eq 0 ] && [ "$delete_archive" = true ]; then
    rm -rf $archive_dir/*
  fi
fi