Module: Fluentd::Setting::PluginConfig

Extended by:
ActiveSupport::Concern
Included in:
Plugin
Defined in:
app/models/concerns/fluentd/setting/plugin_config.rb

Instance Method Summary collapse

Instance Method Details

#config_element(name = 'test', argument = '', params = {}, elements = []) ⇒ Object

copy from Fluent::Test::Helpers#config_element



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# File 'app/models/concerns/fluentd/setting/plugin_config.rb', line 114

def config_element(name = 'test', argument = '', params = {}, elements = [])
  Fluent::Config::Element.new(name, argument, params, elements)
end

#parse_attributes(attributes) ⇒ Object 



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# File 'app/models/concerns/fluentd/setting/plugin_config.rb', line 73

def parse_attributes(attributes)
  base_klasses = config_definition.keys
  sections, params = attributes.partition do |key, _section_attributes|
    base_klasses.any? do |base_klass|
      config_definition.dig(base_klass, key.to_sym, :section) || config_definition.dig(key.to_sym, :section)
    end
  end
  elements = []
  sections.to_h.each do |key, section_params|
    next if section_params.blank?
    section_class = self._sections[key.to_sym]
    if %w(parse format buffer storage).include?(key)
      if section_params && section_params.key?("0")
        section_params["0"] = { "type" => self.attributes["#{key}_type"] }.merge(section_params["0"])
      else
        section_params = {
          "0" => { "type" => self.attributes["#{key}_type"] }
        }
      end
    end
    _elements = section_params.map do |index, _section_params|
      section_class.new(_section_params).to_config
    end.compact
    elements.concat(_elements)
  end
  params = params.to_h
  if plugin_type == "filter" && plugin_name == "record_transformer"
    record_params = {}
    params.delete("record").lines.each do |line|
      k, v = line.split(" ", 2)
      record_params[k] = v
    end
    elements << config_element("record", "", record_params, [])
  end
  attrs = params.reject do |key, value|
    skip?(key.to_sym, value)
  end
  return attrs, elements
end

#skip?(key, value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/concerns/fluentd/setting/plugin_config.rb', line 118

def skip?(key, value)
  return true if value.blank?
  if self._defaults.key?(key)
    self.class.reformat_value(key, self._defaults[key]) == self.class.reformat_value(key, value)
  else
    false
  end
end

#to_config ⇒ Object 



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# File 'app/models/concerns/fluentd/setting/plugin_config.rb', line 26

def to_config
  name = case plugin_type
         when "input"
           "source"
         when "output"
           "match"
         when "filter"
           "filter"
         when "parser"
           "parse"
         when "formatter"
           "format"
         when "buffer"
           "buffer"
         when "storage"
           "storage"
         end
  _attributes = attributes.reject do |key, value|
    %w(parse_type format_type buffer_type storage_type).include?(key.to_s)
  end
  _attributes = { "@type" => self.plugin_name }.merge(_attributes)
  _attributes["@log_level"] = _attributes.delete("log_level")
  label = _attributes.delete("label")
  if plugin_type == "input"
    _attributes["@label"] = label
  end
  argument = case plugin_type
             when "output", "filter", "buffer"
               _attributes.delete(self._argument_name.to_s) || ""
             else
               ""
             end
  attrs, elements = parse_attributes(_attributes)
  case plugin_type
  when "output", "filter"
    # e is <match> or <filter>
    e = config_element(name, argument, attrs, elements)
    if label.blank?
      e
    else
      config_element("label", label, {}, [e])
    end
  else
    config_element(name, argument, attrs, elements)
  end
end

#validate_configuration ⇒ Object 



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# File 'app/models/concerns/fluentd/setting/plugin_config.rb', line 10

def validate_configuration
  original_log = $log
  $log = DummyLogger.logger
  full_config = to_config.to_s
  config = if full_config.start_with?("<label ")
             full_config.lines[2..-3].join
           else
             full_config.lines[1..-2].join
           end
  self.class.create_driver(config)
rescue Fluent::ConfigError => ex
  errors.add(:base, :invalid, message: ex.message)
ensure
  $log = original_log
end