Class: Remoting::Ssh

Inherits:
Object
  • Object
show all
Defined in:
lib/remoting/ssh.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Ssh

Returns a new instance of Ssh.



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# File 'lib/remoting/ssh.rb', line 8

def initialize(*args)
  options = args.extract_options!
  @host, @user, @interactive = options.values_at(:host, :user, :interactive)  
end

Instance Attribute Details

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/remoting/ssh.rb', line 6

def host
  @host
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/remoting/ssh.rb', line 6

def user
  @user
end

Instance Method Details

#exec(commands) ⇒ Object 



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# File 'lib/remoting/ssh.rb', line 18

def exec(commands)

  if interactive?
    ssh = %(ssh #{user}@#{host})
    Kernel.exec ssh + %( -t '#{commands.join("; ")}')  # this will replace the current process and will never return the shell back
  else
    Net::SSH.start(host, user) do |ssh|
  
      ssh.open_channel do |channel|
        channel.exec(commands.join(";")) do |ch, success|
          unless success
            abort
          end
        
          channel.on_data do |ch, data|
            say "#{data}"
          end

          channel.on_extended_data do |ch, type, data|
            shell.error "#{data}"
          end

          channel.on_close do |ch|
            shell.bold "channel is closing!\n"
          end
        end
      end

      ssh.loop 
    end        
  end
  
end

#interactive? ⇒ Boolean

~ exec

Returns:

  • (Boolean) 


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# File 'lib/remoting/ssh.rb', line 52

def interactive?
  !!@interactive
end

#shell ⇒ Object 



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# File 'lib/remoting/ssh.rb', line 14

def shell
  @shell ||= ::Remoting::Shell.new
end