Class: Arver::InfoAction

Inherits:
Action
  • Object
show all
Defined in:
lib/arver/info_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_action, #post_host, #post_partition, #pre_action, #pre_partition, #run_on, #verify?, #verify_key_on_target

Constructor Details

#initialize(target_list) ⇒ InfoAction

Returns a new instance of InfoAction.



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# File 'lib/arver/info_action.rb', line 3

def initialize( target_list )
  super( target_list )
  self.open_keystore
  Arver::Log.info("Warning: existence of a keyslot is not a guarantee that the user can access it")
end

Instance Method Details

#execute_partition(partition) ⇒ Object 



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# File 'lib/arver/info_action.rb', line 13

def execute_partition(partition)
  cmd = Arver::LuksWrapper.dump(partition)
  cmd.execute
  info = cmd.output
  info =~ /Version:[\s]+(\d)/
  version = $1
  slots = []

  head = " #{sprintf("%0-10s",partition.name[0...10])} :"+
         " #{sprintf("%0-30s",partition.device_path[0...30])}"

  if version != '1' && version != '2'
    Arver::Log.info("#{head} : Unsupported luks version")
    return
  end

  if version == '1'
    info.each_line do |line|
      if line =~ /Key Slot (\d): ENABLED/
        slots << Integer($1)
      end
    end
  else
    keyslots = []
    start = false
    info.each_line do |line|
      if line =~ /Keyslots:/
        start = true
        next
      end
      next unless start
      break unless line =~ /^\s/
      if line =~ /[\s]+(\d): luks2/
        slots << Integer($1)
      end
    end
  end
  slots = slots.map{|s| "#{Config.instance.user_at(s)}(#{s})"}.join(",")
  Arver::Log.info("#{head} : #{slots}")
end

#pre_host(host) ⇒ Object 



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# File 'lib/arver/info_action.rb', line 9

def pre_host( host )
  Arver::Log.info( "\n-- "+host.path+":" )
end