Module: Percheron::Unit::ImageHelper

Included in:
Percheron::Unit
Defined in:
lib/percheron/unit/image_helper.rb

Instance Method Summary collapse

Instance Method Details

#image_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/percheron/unit/image_helper.rb', line 28

def image_exists?
  image.nil? ? false : true
end

#image_name ⇒ Object 



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# File 'lib/percheron/unit/image_helper.rb', line 4

def image_name
  '%s:%s' % [ image_repo, image_version.to_s ] if image_repo && image_version
end

#image_repo ⇒ Object 



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# File 'lib/percheron/unit/image_helper.rb', line 8

def image_repo
  if !buildable?
    unit_config.docker_image.split(':')[0]
  elsif pseudo?
    pseudo_full_name
  else
    full_name
  end
end

#image_size ⇒ Object 



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# File 'lib/percheron/unit/image_helper.rb', line 32

def image_size
  image.nil? ? nil : '%s MB' % [ image.info['VirtualSize'] / 1_048_576 ]
end

#image_version ⇒ Object 



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# File 'lib/percheron/unit/image_helper.rb', line 18

def image_version
  if buildable?
    unit_config.version
  elsif !unit_config.docker_image.nil?
    unit_config.docker_image.split(':')[1] || 'latest'
  else
    fail Errors::UnitInvalid, 'Cannot determine image version'
  end
end