Examples of using RSYNC to do Backups of local to remote, and send result by email (Ruby)

backup_app.rb

#!/home/andrey/.rvm/bin/ruby-1.9.2-p290

Dir.chdir("/home/andrey/rails_apps/")

def make_backup_of_app(app_name, *destinations)
  date_name = Time.now.localtime.strftime("%y.%m.%d_%H%M")
  file_name = "#{app_name}_#{date_name}.tar.gz"

  if destinations.is_a?(Array)
    destinations.each do |destination|
      %x(tar -cvzpf #{destination}#{file_name} #{app_name})
    end
  else
    %x(tar -cvzpf #{destination}#{file_name} #{app_name})
  end
end

make_backup_of_app('APP_NAME_HERE', '/home/andrey/Dropbox/WHATHEVER_FOLDER_YOU_WANT/', '/home/andrey/HIVE/ANOTHER_WHATHEVER_FOLDER_YOU_WANT/')

Backup_Geral_HIVE.rb

require 'date'
require 'time'
require 'net/smtp'

Dir.chdir('/home/andrey/Cronjobs/')

def verify_rsync_output(rsync_output)
	if rsync_output == ''
		raise RuntimeError, '* Rsync returned empty result for backup - SSH access to the server has ben set?'
	end
end

today = DateTime.now
subject_date = today.strftime("%Y%m%d")
full_date = today.strftime("%A, %d/%B/%Y at %H:%M")

server_backup_command = "rsync -aHxvz --delete --numeric-ids -e \"ssh -c arcfour -x -i /home/andrey/.ssh/id_rsa\" /home/andrey/HIVE/WHATEVER_FOLDER/ [email protected]:/home/html/.andrey/HIVE/WHATEVER_FOLDER/"

begin
	output = ''

	output << "--- Data/Hora: " << full_date << "\n\n"

	output << "--- [Backup de '/home/andrey/HIVE/WHATEVER_FOLDER/']\n"
	rsync_output = %x[#{server_backup_command}]
	output << rsync_output

	verify_rsync_output(rsync_output)

	output << "\n//------------------------------------------------------------------------------//\n\n"

	output << "--- [Backup de '/home/andrey/HIVE/BACKUP/WHATEVER_FOLDER/']\n"
	rsync_output = %x[#{server_backup_command}]
	output << rsync_output

	output << "\n//------------------------------------------------------------------------------//"

	verify_rsync_output(rsync_output)

rescue RuntimeError => thisError
	error_output = thisError
end


# Send E-mail about the Backup

email_backup_content = (error_output.nil?) ? output : error_output

message = <<MESSAGE
From: ME <[email protected]>
To: My Name <[email protected]>
Subject: Backup Geral HIVE [#{subject_date}]

#{email_backup_content}
MESSAGE

Net::SMTP.start('mail.agenciahive.com.br', 25, 'localhost', '[email protected]', 'password', :plain) do |smtp|
  smtp.send_message message, '[email protected]', ['[email protected]']
end