Method: Docker::Compose::Container#initialize

Defined in:
lib/docker/compose/container.rb

#initialize(id, image, size, status, names, labels, ports) ⇒ Container

Returns a new instance of Container.

Parameters:

  • id (String)
  • image (String)
  • size (String, Integer) —

    e.g. “0B (virtual 100MB)”

  • status (String, #map) —

    e.g. [‘Exited’, ‘0’, ‘3 minutes ago’]

  • names (String, Array) —

    list of container names (CSV)

  • labels (String, Array) —

    list of container labels (CSV)

  • ports (String, Array) —

    list of exposed ports (CSV)



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# File 'lib/docker/compose/container.rb', line 23

def initialize(id, image, size, status, names, labels, ports)
  if size.is_a?(String) && (m = PS_SIZE.match(size))
    scalar, units = m[1], m[2]
    scalar = scalar.to_f # lazy: invalid --> 0.0
    mult = case units.downcase
    when 'b'  then 1
    when 'kb' then 1_024
    when 'mb' then 1_024**2
    when 'gb' then 1_024**3
    when 'tb' then 1_024**4
    else
      raise Error.new('Service#new', units, 'Impossibly large unit')
    end
    size = scalar * mult
  end

  if status.is_a?(String)
    status = PS_STATUS.match(status)
    raise Error.new('Service#new', status, 'Unrecognized status') unless status
  end

  names = names.split(',').map{ |x| x.strip } if names.is_a?(String)
  labels = labels.split(',').map{ |x| x.strip } if labels.is_a?(String)
  ports = ports.split(',').map{ |x| x.strip } if ports.is_a?(String)

  @id = id
  @image = image
  @size = size
  @status = status[1].downcase.to_sym

  @exitstatus = case @status
  when :up
    nil
  else
    status[2].to_i
  end

  @names = names
  @labels = labels
  @ports = ports
end