Class: Henk::Step

Inherits:
Object
  • Object
show all
Defined in:
lib/henk/step.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(henk, *args) ⇒ Step

Returns a new instance of Step.



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# File 'lib/henk/step.rb', line 5

def initialize(henk, *args)
  @henk = henk
  @arguments = args
end

Instance Attribute Details

#image ⇒ Object (readonly)

Returns the value of attribute image.



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# File 'lib/henk/step.rb', line 3

def image
  @image
end

Instance Method Details

#after_wait(&block) ⇒ Object

called with container id (string) and exit code (numeric)



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# File 'lib/henk/step.rb', line 11

def after_wait(&block)
  @after_wait_block = block
end

#on_bad_exit(&block) ⇒ Object

called with container id (string) and exit code (numeric)



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# File 'lib/henk/step.rb', line 16

def on_bad_exit(&block)
  @bad_exit_block = block
end

#perform! ⇒ Object 



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# File 'lib/henk/step.rb', line 20

def perform!
  container = @henk.execute_for_word(*@arguments)
  return unless container

  container_exit = @henk.send(:while_container_running, container) do
    @henk.wait(container)
  end

  @after_wait_block.call(container, container_exit) if @after_wait_block

  unless container_exit.zero?
    block = @bad_exit_block || Proc.new do
      raise "Container #{container} exited with code #{container_exit}"
    end
    block.call(container, container_exit)
  end

  @image = @henk.commit(container)
end