def execute_ssh(commands)
      commands = [commands] unless commands.is_a? Array
      result = ""
      Net::SSH.start settings.remote_server, settings.remote_user do |ssh|
        commands.each do |command|
          was_error = false
          logger.info "ssh: #{command}"
          ssh.exec! command do |channel, stream, data|
            case stream
            when :stdout
              logger.info data
              result += "#{data}\n" unless data.empty?
            when :stderr
              logger.error data
              was_error = true
            end
          end
          throw "Exception during ssh, look in log file" if was_error
        end
      end
      result
    end
def execute_ssh(commands)
      commands = [commands] unless commands.is_a? Array
      result = ""
      Net::SSH.start settings.remote_server, settings.remote_user do |ssh|
        commands.each do |command|
          was_error = false
          logger.info "ssh: #{command}"
          ssh.exec! command do |channel, stream, data|
            case stream
            when :stdout
              logger.info data
              result += "#{data}\n" unless data.empty?
            when :stderr
              logger.error data
              was_error = true
            end
          end
          throw "Exception during ssh, look in log file" if was_error
        end
      end
      result
    end
Runs one ore more commands remotely via ssh