Class: Arver::RefreshAction

Inherits:
Action
  • Object
show all
Defined in:
lib/arver/refresh_action.rb

Instance Attribute Summary

Attributes inherited from Action

#generator, #key, #keystore, #slot_of_target_user, #target_list, #target_user

Instance Method Summary collapse

Methods inherited from Action

#load_key, #needs_target_user?, #new_key_generator, #on_user, #open_keystore, #post_host, #post_partition, #pre_host, #pre_partition, #run_on, #verify_key_on_target

Constructor Details

#initialize(target_list) ⇒ RefreshAction

Returns a new instance of RefreshAction.



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# File 'lib/arver/refresh_action.rb', line 4

def initialize( target_list )
  super( target_list )
  self.open_keystore
  self.new_key_generator
end

Instance Method Details

#execute_partition(partition) ⇒ Object 



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# File 'lib/arver/refresh_action.rb', line 24

def execute_partition( partition )
  Arver::Log.info( "Generating a new key for partition #{partition.device}" )

  slot_of_user = Arver::Config.instance.slot( Arver::LocalConfig.instance.username )
  newkey = generator.generate_key( partition )

  caller = Arver::LuksWrapper.changeKey( slot_of_user.to_s, partition )
  caller.execute( key + "\n" + newkey )

  unless( caller.success? )
    Arver::Log.error( "Warning: i believe that i could not change the key on #{partition.path}, therefore i kept the old one!" )
    Arver::Log.error( "Maybe the version of cryptsetup on that host does not yet support the luksChangeKey command. " )
    Arver::Log.error( "Please verify that the old one still works. If the changeKey did in fact succeed, the plaintext key would now be: #{key}" )
    Arver::Log.debug( "The output was: #{caller.output}" )
    generator.remove_key( partition )
  end
end

#post_action ⇒ Object 



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# File 'lib/arver/refresh_action.rb', line 42

def post_action
  self.generator.dump( self.keystore )
end

#pre_action ⇒ Object 



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# File 'lib/arver/refresh_action.rb', line 10

def pre_action
  tl = ""
  target_list.each { |t| tl += ( tl.empty? ? "": ", " )+t.name }
  Arver::Log.info( "refresh was called with target(s) #{tl}" )
end

#verify?(partition) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arver/refresh_action.rb', line 16

def verify?( partition )
  unless Arver::RuntimeConfig.instance.ask_password
    return load_key( partition )
  end
  self.key= ask("Enter the password for the volume: #{partition.device}") {|q| q.echo = false}
  true
end