Class: Datacenter::Shell::Ssh

Inherits:
Object
  • Object
show all
Defined in:
lib/datacenter/shell.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Ssh

Returns a new instance of Ssh.



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# File 'lib/datacenter/shell.rb', line 13

def initialize(*args)
  @ssh_args = args
end

Instance Attribute Details

#ssh_args ⇒ Object (readonly)

Returns the value of attribute ssh_args.



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# File 'lib/datacenter/shell.rb', line 11

def ssh_args
  @ssh_args
end

Class Method Details

.open(*args, &block) ⇒ Object 



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# File 'lib/datacenter/shell.rb', line 36

def self.open(*args, &block)
  shell = new *args
  shell.open
  block.call shell
  shell.close
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/datacenter/shell.rb', line 29

def close
  if @session
    @session.close
    @session = nil
  end
end

#open ⇒ Object 



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# File 'lib/datacenter/shell.rb', line 25

def open
  @session = Net::SSH.start *@ssh_args unless @session
end

#run(command) ⇒ Object 



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# File 'lib/datacenter/shell.rb', line 17

def run(command)
  if @session
    @session.exec!(command).strip
  else
    Net::SSH.start(*@ssh_args) { |ssh| ssh.exec! command }.strip
  end
end