Class: Vixen::CommandLine::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/vixen/command_line/base.rb

Direct Known Subclasses

Resume, Snapshot, Start, Status, Stop, Suspend, Vm

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ Base

Returns a new instance of Base.



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# File 'lib/vixen/command_line/base.rb', line 4

def initialize(context)
  @start = Time.now
  @context = context
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/vixen/command_line/base.rb', line 2

def context
  @context
end

#start ⇒ Object (readonly)

Returns the value of attribute start.



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# File 'lib/vixen/command_line/base.rb', line 2

def start
  @start
end

Instance Method Details

#elapsed_time ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 9

def elapsed_time
  "[%s]" % (Time.at(Time.now - start).utc.strftime '%T')
end

#host ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 29

def host
  return @host unless @host.nil?
  @host = context[:host] || Vixen.local_connect
end

#new_line_after ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 13

def new_line_after
  val = yield if block_given?
  $stdout.puts
  val
end

#print(message, *args) ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 19

def print(message, *args)
  timed_message = "\r             \r#{elapsed_time} " + message.to_s
  $stdout.print timed_message, args
  $stdout.flush
end

#puts(message, *args) ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 25

def puts(message, *args)
  new_line_after { print(message, args) }
end

#vms ⇒ Object 



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# File 'lib/vixen/command_line/base.rb', line 34

def vms
  return @vms unless @vms.nil?
  context[:vms] ||= host.running_vms
  @vms = context[:vms]
end