Module: Jerakia::Response::Filter::Dig

Defined in:
lib/jerakia/response/filter/dig.rb

Instance Method Summary collapse

Instance Method Details

#filter_dig(path = []) ⇒ Object

Raises:



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# File 'lib/jerakia/response/filter/dig.rb', line 4

def filter_dig(path = [])
  raise Jerakia::PolicyError, "Argument to output filter dig must be an array" unless path.is_a?(Array)
  Jerakia.log.debug("[output_filter:dig]: Attempting to dig using path #{path}")
  responses do |entry|

    unless entry.value.is_a?(Hash)
      raise Jerakia::Error, "Cannot perform dig on a non hash value"
    end

    value = Jerakia::Util.dig(entry.value, path.flatten)
    if value == :not_found
      Jerakia.log.debug('[output_filter:dig]: Digging value from response failed, invalidating')
      entry.invalidate
    else
      entry.set_value(value)
      Jerakia.log.debug("[output_filter:dig]: Re-submitting response as #{value}")
    end
  end
end