backup

#!/bin/bash

ROOT_PATH=$(cd $(dirname $0) && pwd);

. $ROOT_PATH/include/core

print 'Backup...' $BOLD$CYAN

TIMESTAMP=$(date +%s)
DATE_EXPIRE=$(expr $TIMESTAMP - $MAX_STORAGE_TIME)
case "$(uname -s)" in
    # OSX
    Darwin)
        TMP_DIR=$(mktemp -d -t backup)
        OLD_DIR=$(date -r $DATE_EXPIRE +%F)
        ;;

    # Linux
    Linux)
        TMP_DIR=$(mktemp -dt)
        OLD_DIR=$(date --date="@$DATE_EXPIRE" +%F)
        ;;

    # Other
    *)
        print 'Your system is not supported.' $BOLD$RED
        exit
        ;;
esac

print '- Prepare files...'
cd $ROOT_DIR
tar -czf $TMP_DIR/root.tgz ./

print '- Prepare database...'
case $DB_TYPE in
  # MySQL
  mysql)
      mysqldump -u$DB_USERNAME -p$DB_PASSWORD $DB_NAME > $TMP_DIR/dump.sql
      ;;

  # PostgreSQL
  postgresql)
      PGPASSWORD=$DB_PASSWORD
      pg_dump -U $DB_USERNAME -d $DB_NAME > $TMP_DIR/dump.sql
      ;;

  # Other
  *)
      print 'Your database is not supported.' $BOLD$RED
      exit
      ;;
esac

print '- Archiving...'
cd $TMP_DIR
tar -czf backup.tgz root.tgz dump.sql

print '- Uploading to FTP...'
dir_name=$(date +%F)
file_name="${TIMESTAMP}_${RANDOM}"
lftp <<EOF
connect $FTP_HOST
login $FTP_LOGIN $FTP_PASSWORD
set ftp:ssl-allow no
cd $FTP_ROOT
!mkdir $dir_name || true
cd $dir_name
put backup.tgz -o ${file_name}.tgz
rm -rf $OLD_DIR
EOF

print '- Cleaning tmp...'
rm -rf $TMP_DIR

print 'OK' $BOLD$GREEN