Method: Webbynode::Ssh#execute

Defined in:
lib/webbynode/ssh.rb

#execute(script, echo = false, ret_exit_code = false) ⇒ Object 



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# File 'lib/webbynode/ssh.rb', line 115

def execute(script, echo=false, ret_exit_code=false)
  connect
  output = ""
  error_output = ""
  
  exit_code = nil
  channel = @conn.open_channel do |chan|
    chan.on_request('exit-status') do |ch, data|
      exit_code = data.read_long
    end
    
    chan.on_data do |ch, data|
      puts data if echo
      output << data
    end
    
    chan.on_extended_data do |ch, type, data|
      next unless type == 1  # only handle stderr
      puts data if echo
      output << data
      error_output << data
    end
    
    chan.exec("#{script} < /dev/null") do |ch, s|
      raise Exceptions::SshInstallationError, "Error executing script \"#{script[:name]}\"" unless s
    end
  end
  
  channel.wait
  
  return exit_code if ret_exit_code
  output
end