Method: CIDE::CLI#clean

Defined in:
lib/cide/cli.rb

#clean ⇒ Object 



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# File 'lib/cide/cli.rb', line 285

def clean
  days_to_keep = options[:days]
  max_images = options[:count]

  # Delete failed images
  failed_filter = 'label=cide.build.complete=false'
  cide_failed_image_ids = docker_image_ids(filter_by: failed_filter)
  if cide_failed_image_ids.any?
    docker('rmi', '--force', *cide_failed_image_ids)
  end

  # Retrieve all other cide images
  cide_image_ids = docker_image_ids(filter_by: 'label=cide')

  if cide_image_ids.empty?
    puts 'No images found to be cleaned'
    return
  end

  x = docker('inspect', *cide_image_ids, capture: true)
  cide_images =
    JSON
    .parse(x.strip)
    .each { |image| image['Created'] = Time.iso8601(image['Created']) }
    .sort { |a, b| a['Created'] <=> b['Created'] }

  to_destroy = cide_images[max_images..-1]
  leftover_images = cide_images[0..(max_images - 1)]

  expire_from = Time.now - (days_to_keep * 24 * 60 * 60)
  to_destroy <<
    leftover_images.select { |image| image['Created'] < expire_from }

  to_destroy_ids = to_destroy.map { |image| image['Id'] }

  if to_destroy_ids.empty?
    puts 'No images found to be cleaned'
    return
  end

  docker('rmi', '--force', *to_destroy_ids)
end